/** * simplemde v1.11.2 * Copyright Next Step Webs, Inc. * @link https://github.com/NextStepWebs/simplemde-markdown-editor * @license MIT */ (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.SimpleMDE = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 0) { throw new Error('Invalid string. Length must be a multiple of 4') } // the number of equal signs (place holders) // if there are two placeholders, than the two characters before it // represent one byte // if there is only one, then the three characters before it represent 2 bytes // this is just a cheap hack to not do indexOf twice placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0 // base64 is 4/3 + up to two characters of the original data arr = new Arr(len * 3 / 4 - placeHolders) // if there are placeholders, only get up to the last complete 4 chars l = placeHolders > 0 ? len - 4 : len var L = 0 for (i = 0, j = 0; i < l; i += 4, j += 3) { tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)] arr[L++] = (tmp >> 16) & 0xFF arr[L++] = (tmp >> 8) & 0xFF arr[L++] = tmp & 0xFF } if (placeHolders === 2) { tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4) arr[L++] = tmp & 0xFF } else if (placeHolders === 1) { tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2) arr[L++] = (tmp >> 8) & 0xFF arr[L++] = tmp & 0xFF } return arr } function tripletToBase64 (num) { return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F] } function encodeChunk (uint8, start, end) { var tmp var output = [] for (var i = start; i < end; i += 3) { tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2]) output.push(tripletToBase64(tmp)) } return output.join('') } function fromByteArray (uint8) { var tmp var len = uint8.length var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes var output = '' var parts = [] var maxChunkLength = 16383 // must be multiple of 3 // go through the array every three bytes, we'll deal with trailing stuff later for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) { parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength))) } // pad the end with zeros, but make sure to not forget the extra bytes if (extraBytes === 1) { tmp = uint8[len - 1] output += lookup[tmp >> 2] output += lookup[(tmp << 4) & 0x3F] output += '==' } else if (extraBytes === 2) { tmp = (uint8[len - 2] << 8) + (uint8[len - 1]) output += lookup[tmp >> 10] output += lookup[(tmp >> 4) & 0x3F] output += lookup[(tmp << 2) & 0x3F] output += '=' } parts.push(output) return parts.join('') } },{}],2:[function(require,module,exports){ },{}],3:[function(require,module,exports){ (function (global){ /*! * The buffer module from node.js, for the browser. * * @author Feross Aboukhadijeh * @license MIT */ /* eslint-disable no-proto */ 'use strict' var base64 = require('base64-js') var ieee754 = require('ieee754') var isArray = require('isarray') exports.Buffer = Buffer exports.SlowBuffer = SlowBuffer exports.INSPECT_MAX_BYTES = 50 /** * If `Buffer.TYPED_ARRAY_SUPPORT`: * === true Use Uint8Array implementation (fastest) * === false Use Object implementation (most compatible, even IE6) * * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+, * Opera 11.6+, iOS 4.2+. * * Due to various browser bugs, sometimes the Object implementation will be used even * when the browser supports typed arrays. * * Note: * * - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances, * See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438. * * - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function. * * - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of * incorrect length in some situations. * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they * get the Object implementation, which is slower but behaves correctly. */ Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined ? global.TYPED_ARRAY_SUPPORT : typedArraySupport() /* * Export kMaxLength after typed array support is determined. */ exports.kMaxLength = kMaxLength() function typedArraySupport () { try { var arr = new Uint8Array(1) arr.foo = function () { return 42 } return arr.foo() === 42 && // typed array instances can be augmented typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray` arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray` } catch (e) { return false } } function kMaxLength () { return Buffer.TYPED_ARRAY_SUPPORT ? 0x7fffffff : 0x3fffffff } function createBuffer (that, length) { if (kMaxLength() < length) { throw new RangeError('Invalid typed array length') } if (Buffer.TYPED_ARRAY_SUPPORT) { // Return an augmented `Uint8Array` instance, for best performance that = new Uint8Array(length) that.__proto__ = Buffer.prototype } else { // Fallback: Return an object instance of the Buffer class if (that === null) { that = new Buffer(length) } that.length = length } return that } /** * The Buffer constructor returns instances of `Uint8Array` that have their * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of * `Uint8Array`, so the returned instances will have all the node `Buffer` methods * and the `Uint8Array` methods. Square bracket notation works as expected -- it * returns a single octet. * * The `Uint8Array` prototype remains unmodified. */ function Buffer (arg, encodingOrOffset, length) { if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) { return new Buffer(arg, encodingOrOffset, length) } // Common case. if (typeof arg === 'number') { if (typeof encodingOrOffset === 'string') { throw new Error( 'If encoding is specified then the first argument must be a string' ) } return allocUnsafe(this, arg) } return from(this, arg, encodingOrOffset, length) } Buffer.poolSize = 8192 // not used by this implementation // TODO: Legacy, not needed anymore. Remove in next major version. Buffer._augment = function (arr) { arr.__proto__ = Buffer.prototype return arr } function from (that, value, encodingOrOffset, length) { if (typeof value === 'number') { throw new TypeError('"value" argument must not be a number') } if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) { return fromArrayBuffer(that, value, encodingOrOffset, length) } if (typeof value === 'string') { return fromString(that, value, encodingOrOffset) } return fromObject(that, value) } /** * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError * if value is a number. * Buffer.from(str[, encoding]) * Buffer.from(array) * Buffer.from(buffer) * Buffer.from(arrayBuffer[, byteOffset[, length]]) **/ Buffer.from = function (value, encodingOrOffset, length) { return from(null, value, encodingOrOffset, length) } if (Buffer.TYPED_ARRAY_SUPPORT) { Buffer.prototype.__proto__ = Uint8Array.prototype Buffer.__proto__ = Uint8Array if (typeof Symbol !== 'undefined' && Symbol.species && Buffer[Symbol.species] === Buffer) { // Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97 Object.defineProperty(Buffer, Symbol.species, { value: null, configurable: true }) } } function assertSize (size) { if (typeof size !== 'number') { throw new TypeError('"size" argument must be a number') } } function alloc (that, size, fill, encoding) { assertSize(size) if (size <= 0) { return createBuffer(that, size) } if (fill !== undefined) { // Only pay attention to encoding if it's a string. This // prevents accidentally sending in a number that would // be interpretted as a start offset. return typeof encoding === 'string' ? createBuffer(that, size).fill(fill, encoding) : createBuffer(that, size).fill(fill) } return createBuffer(that, size) } /** * Creates a new filled Buffer instance. * alloc(size[, fill[, encoding]]) **/ Buffer.alloc = function (size, fill, encoding) { return alloc(null, size, fill, encoding) } function allocUnsafe (that, size) { assertSize(size) that = createBuffer(that, size < 0 ? 0 : checked(size) | 0) if (!Buffer.TYPED_ARRAY_SUPPORT) { for (var i = 0; i < size; i++) { that[i] = 0 } } return that } /** * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance. * */ Buffer.allocUnsafe = function (size) { return allocUnsafe(null, size) } /** * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance. */ Buffer.allocUnsafeSlow = function (size) { return allocUnsafe(null, size) } function fromString (that, string, encoding) { if (typeof encoding !== 'string' || encoding === '') { encoding = 'utf8' } if (!Buffer.isEncoding(encoding)) { throw new TypeError('"encoding" must be a valid string encoding') } var length = byteLength(string, encoding) | 0 that = createBuffer(that, length) that.write(string, encoding) return that } function fromArrayLike (that, array) { var length = checked(array.length) | 0 that = createBuffer(that, length) for (var i = 0; i < length; i += 1) { that[i] = array[i] & 255 } return that } function fromArrayBuffer (that, array, byteOffset, length) { array.byteLength // this throws if `array` is not a valid ArrayBuffer if (byteOffset < 0 || array.byteLength < byteOffset) { throw new RangeError('\'offset\' is out of bounds') } if (array.byteLength < byteOffset + (length || 0)) { throw new RangeError('\'length\' is out of bounds') } if (length === undefined) { array = new Uint8Array(array, byteOffset) } else { array = new Uint8Array(array, byteOffset, length) } if (Buffer.TYPED_ARRAY_SUPPORT) { // Return an augmented `Uint8Array` instance, for best performance that = array that.__proto__ = Buffer.prototype } else { // Fallback: Return an object instance of the Buffer class that = fromArrayLike(that, array) } return that } function fromObject (that, obj) { if (Buffer.isBuffer(obj)) { var len = checked(obj.length) | 0 that = createBuffer(that, len) if (that.length === 0) { return that } obj.copy(that, 0, 0, len) return that } if (obj) { if ((typeof ArrayBuffer !== 'undefined' && obj.buffer instanceof ArrayBuffer) || 'length' in obj) { if (typeof obj.length !== 'number' || isnan(obj.length)) { return createBuffer(that, 0) } return fromArrayLike(that, obj) } if (obj.type === 'Buffer' && isArray(obj.data)) { return fromArrayLike(that, obj.data) } } throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.') } function checked (length) { // Note: cannot use `length < kMaxLength` here because that fails when // length is NaN (which is otherwise coerced to zero.) if (length >= kMaxLength()) { throw new RangeError('Attempt to allocate Buffer larger than maximum ' + 'size: 0x' + kMaxLength().toString(16) + ' bytes') } return length | 0 } function SlowBuffer (length) { if (+length != length) { // eslint-disable-line eqeqeq length = 0 } return Buffer.alloc(+length) } Buffer.isBuffer = function isBuffer (b) { return !!(b != null && b._isBuffer) } Buffer.compare = function compare (a, b) { if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) { throw new TypeError('Arguments must be Buffers') } if (a === b) return 0 var x = a.length var y = b.length for (var i = 0, len = Math.min(x, y); i < len; ++i) { if (a[i] !== b[i]) { x = a[i] y = b[i] break } } if (x < y) return -1 if (y < x) return 1 return 0 } Buffer.isEncoding = function isEncoding (encoding) { switch (String(encoding).toLowerCase()) { case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'raw': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return true default: return false } } Buffer.concat = function concat (list, length) { if (!isArray(list)) { throw new TypeError('"list" argument must be an Array of Buffers') } if (list.length === 0) { return Buffer.alloc(0) } var i if (length === undefined) { length = 0 for (i = 0; i < list.length; i++) { length += list[i].length } } var buffer = Buffer.allocUnsafe(length) var pos = 0 for (i = 0; i < list.length; i++) { var buf = list[i] if (!Buffer.isBuffer(buf)) { throw new TypeError('"list" argument must be an Array of Buffers') } buf.copy(buffer, pos) pos += buf.length } return buffer } function byteLength (string, encoding) { if (Buffer.isBuffer(string)) { return string.length } if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' && (ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) { return string.byteLength } if (typeof string !== 'string') { string = '' + string } var len = string.length if (len === 0) return 0 // Use a for loop to avoid recursion var loweredCase = false for (;;) { switch (encoding) { case 'ascii': case 'binary': // Deprecated case 'raw': case 'raws': return len case 'utf8': case 'utf-8': case undefined: return utf8ToBytes(string).length case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return len * 2 case 'hex': return len >>> 1 case 'base64': return base64ToBytes(string).length default: if (loweredCase) return utf8ToBytes(string).length // assume utf8 encoding = ('' + encoding).toLowerCase() loweredCase = true } } } Buffer.byteLength = byteLength function slowToString (encoding, start, end) { var loweredCase = false // No need to verify that "this.length <= MAX_UINT32" since it's a read-only // property of a typed array. // This behaves neither like String nor Uint8Array in that we set start/end // to their upper/lower bounds if the value passed is out of range. // undefined is handled specially as per ECMA-262 6th Edition, // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization. if (start === undefined || start < 0) { start = 0 } // Return early if start > this.length. Done here to prevent potential uint32 // coercion fail below. if (start > this.length) { return '' } if (end === undefined || end > this.length) { end = this.length } if (end <= 0) { return '' } // Force coersion to uint32. This will also coerce falsey/NaN values to 0. end >>>= 0 start >>>= 0 if (end <= start) { return '' } if (!encoding) encoding = 'utf8' while (true) { switch (encoding) { case 'hex': return hexSlice(this, start, end) case 'utf8': case 'utf-8': return utf8Slice(this, start, end) case 'ascii': return asciiSlice(this, start, end) case 'binary': return binarySlice(this, start, end) case 'base64': return base64Slice(this, start, end) case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return utf16leSlice(this, start, end) default: if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) encoding = (encoding + '').toLowerCase() loweredCase = true } } } // The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect // Buffer instances. Buffer.prototype._isBuffer = true function swap (b, n, m) { var i = b[n] b[n] = b[m] b[m] = i } Buffer.prototype.swap16 = function swap16 () { var len = this.length if (len % 2 !== 0) { throw new RangeError('Buffer size must be a multiple of 16-bits') } for (var i = 0; i < len; i += 2) { swap(this, i, i + 1) } return this } Buffer.prototype.swap32 = function swap32 () { var len = this.length if (len % 4 !== 0) { throw new RangeError('Buffer size must be a multiple of 32-bits') } for (var i = 0; i < len; i += 4) { swap(this, i, i + 3) swap(this, i + 1, i + 2) } return this } Buffer.prototype.toString = function toString () { var length = this.length | 0 if (length === 0) return '' if (arguments.length === 0) return utf8Slice(this, 0, length) return slowToString.apply(this, arguments) } Buffer.prototype.equals = function equals (b) { if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer') if (this === b) return true return Buffer.compare(this, b) === 0 } Buffer.prototype.inspect = function inspect () { var str = '' var max = exports.INSPECT_MAX_BYTES if (this.length > 0) { str = this.toString('hex', 0, max).match(/.{2}/g).join(' ') if (this.length > max) str += ' ... ' } return '' } Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) { if (!Buffer.isBuffer(target)) { throw new TypeError('Argument must be a Buffer') } if (start === undefined) { start = 0 } if (end === undefined) { end = target ? target.length : 0 } if (thisStart === undefined) { thisStart = 0 } if (thisEnd === undefined) { thisEnd = this.length } if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) { throw new RangeError('out of range index') } if (thisStart >= thisEnd && start >= end) { return 0 } if (thisStart >= thisEnd) { return -1 } if (start >= end) { return 1 } start >>>= 0 end >>>= 0 thisStart >>>= 0 thisEnd >>>= 0 if (this === target) return 0 var x = thisEnd - thisStart var y = end - start var len = Math.min(x, y) var thisCopy = this.slice(thisStart, thisEnd) var targetCopy = target.slice(start, end) for (var i = 0; i < len; ++i) { if (thisCopy[i] !== targetCopy[i]) { x = thisCopy[i] y = targetCopy[i] break } } if (x < y) return -1 if (y < x) return 1 return 0 } function arrayIndexOf (arr, val, byteOffset, encoding) { var indexSize = 1 var arrLength = arr.length var valLength = val.length if (encoding !== undefined) { encoding = String(encoding).toLowerCase() if (encoding === 'ucs2' || encoding === 'ucs-2' || encoding === 'utf16le' || encoding === 'utf-16le') { if (arr.length < 2 || val.length < 2) { return -1 } indexSize = 2 arrLength /= 2 valLength /= 2 byteOffset /= 2 } } function read (buf, i) { if (indexSize === 1) { return buf[i] } else { return buf.readUInt16BE(i * indexSize) } } var foundIndex = -1 for (var i = 0; byteOffset + i < arrLength; i++) { if (read(arr, byteOffset + i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) { if (foundIndex === -1) foundIndex = i if (i - foundIndex + 1 === valLength) return (byteOffset + foundIndex) * indexSize } else { if (foundIndex !== -1) i -= i - foundIndex foundIndex = -1 } } return -1 } Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) { if (typeof byteOffset === 'string') { encoding = byteOffset byteOffset = 0 } else if (byteOffset > 0x7fffffff) { byteOffset = 0x7fffffff } else if (byteOffset < -0x80000000) { byteOffset = -0x80000000 } byteOffset >>= 0 if (this.length === 0) return -1 if (byteOffset >= this.length) return -1 // Negative offsets start from the end of the buffer if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0) if (typeof val === 'string') { val = Buffer.from(val, encoding) } if (Buffer.isBuffer(val)) { // special case: looking for empty string/buffer always fails if (val.length === 0) { return -1 } return arrayIndexOf(this, val, byteOffset, encoding) } if (typeof val === 'number') { if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') { return Uint8Array.prototype.indexOf.call(this, val, byteOffset) } return arrayIndexOf(this, [ val ], byteOffset, encoding) } throw new TypeError('val must be string, number or Buffer') } Buffer.prototype.includes = function includes (val, byteOffset, encoding) { return this.indexOf(val, byteOffset, encoding) !== -1 } function hexWrite (buf, string, offset, length) { offset = Number(offset) || 0 var remaining = buf.length - offset if (!length) { length = remaining } else { length = Number(length) if (length > remaining) { length = remaining } } // must be an even number of digits var strLen = string.length if (strLen % 2 !== 0) throw new Error('Invalid hex string') if (length > strLen / 2) { length = strLen / 2 } for (var i = 0; i < length; i++) { var parsed = parseInt(string.substr(i * 2, 2), 16) if (isNaN(parsed)) return i buf[offset + i] = parsed } return i } function utf8Write (buf, string, offset, length) { return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length) } function asciiWrite (buf, string, offset, length) { return blitBuffer(asciiToBytes(string), buf, offset, length) } function binaryWrite (buf, string, offset, length) { return asciiWrite(buf, string, offset, length) } function base64Write (buf, string, offset, length) { return blitBuffer(base64ToBytes(string), buf, offset, length) } function ucs2Write (buf, string, offset, length) { return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length) } Buffer.prototype.write = function write (string, offset, length, encoding) { // Buffer#write(string) if (offset === undefined) { encoding = 'utf8' length = this.length offset = 0 // Buffer#write(string, encoding) } else if (length === undefined && typeof offset === 'string') { encoding = offset length = this.length offset = 0 // Buffer#write(string, offset[, length][, encoding]) } else if (isFinite(offset)) { offset = offset | 0 if (isFinite(length)) { length = length | 0 if (encoding === undefined) encoding = 'utf8' } else { encoding = length length = undefined } // legacy write(string, encoding, offset, length) - remove in v0.13 } else { throw new Error( 'Buffer.write(string, encoding, offset[, length]) is no longer supported' ) } var remaining = this.length - offset if (length === undefined || length > remaining) length = remaining if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) { throw new RangeError('Attempt to write outside buffer bounds') } if (!encoding) encoding = 'utf8' var loweredCase = false for (;;) { switch (encoding) { case 'hex': return hexWrite(this, string, offset, length) case 'utf8': case 'utf-8': return utf8Write(this, string, offset, length) case 'ascii': return asciiWrite(this, string, offset, length) case 'binary': return binaryWrite(this, string, offset, length) case 'base64': // Warning: maxLength not taken into account in base64Write return base64Write(this, string, offset, length) case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': return ucs2Write(this, string, offset, length) default: if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding) encoding = ('' + encoding).toLowerCase() loweredCase = true } } } Buffer.prototype.toJSON = function toJSON () { return { type: 'Buffer', data: Array.prototype.slice.call(this._arr || this, 0) } } function base64Slice (buf, start, end) { if (start === 0 && end === buf.length) { return base64.fromByteArray(buf) } else { return base64.fromByteArray(buf.slice(start, end)) } } function utf8Slice (buf, start, end) { end = Math.min(buf.length, end) var res = [] var i = start while (i < end) { var firstByte = buf[i] var codePoint = null var bytesPerSequence = (firstByte > 0xEF) ? 4 : (firstByte > 0xDF) ? 3 : (firstByte > 0xBF) ? 2 : 1 if (i + bytesPerSequence <= end) { var secondByte, thirdByte, fourthByte, tempCodePoint switch (bytesPerSequence) { case 1: if (firstByte < 0x80) { codePoint = firstByte } break case 2: secondByte = buf[i + 1] if ((secondByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F) if (tempCodePoint > 0x7F) { codePoint = tempCodePoint } } break case 3: secondByte = buf[i + 1] thirdByte = buf[i + 2] if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F) if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) { codePoint = tempCodePoint } } break case 4: secondByte = buf[i + 1] thirdByte = buf[i + 2] fourthByte = buf[i + 3] if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) { tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F) if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) { codePoint = tempCodePoint } } } } if (codePoint === null) { // we did not generate a valid codePoint so insert a // replacement char (U+FFFD) and advance only 1 byte codePoint = 0xFFFD bytesPerSequence = 1 } else if (codePoint > 0xFFFF) { // encode to utf16 (surrogate pair dance) codePoint -= 0x10000 res.push(codePoint >>> 10 & 0x3FF | 0xD800) codePoint = 0xDC00 | codePoint & 0x3FF } res.push(codePoint) i += bytesPerSequence } return decodeCodePointsArray(res) } // Based on http://stackoverflow.com/a/22747272/680742, the browser with // the lowest limit is Chrome, with 0x10000 args. // We go 1 magnitude less, for safety var MAX_ARGUMENTS_LENGTH = 0x1000 function decodeCodePointsArray (codePoints) { var len = codePoints.length if (len <= MAX_ARGUMENTS_LENGTH) { return String.fromCharCode.apply(String, codePoints) // avoid extra slice() } // Decode in chunks to avoid "call stack size exceeded". var res = '' var i = 0 while (i < len) { res += String.fromCharCode.apply( String, codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH) ) } return res } function asciiSlice (buf, start, end) { var ret = '' end = Math.min(buf.length, end) for (var i = start; i < end; i++) { ret += String.fromCharCode(buf[i] & 0x7F) } return ret } function binarySlice (buf, start, end) { var ret = '' end = Math.min(buf.length, end) for (var i = start; i < end; i++) { ret += String.fromCharCode(buf[i]) } return ret } function hexSlice (buf, start, end) { var len = buf.length if (!start || start < 0) start = 0 if (!end || end < 0 || end > len) end = len var out = '' for (var i = start; i < end; i++) { out += toHex(buf[i]) } return out } function utf16leSlice (buf, start, end) { var bytes = buf.slice(start, end) var res = '' for (var i = 0; i < bytes.length; i += 2) { res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256) } return res } Buffer.prototype.slice = function slice (start, end) { var len = this.length start = ~~start end = end === undefined ? len : ~~end if (start < 0) { start += len if (start < 0) start = 0 } else if (start > len) { start = len } if (end < 0) { end += len if (end < 0) end = 0 } else if (end > len) { end = len } if (end < start) end = start var newBuf if (Buffer.TYPED_ARRAY_SUPPORT) { newBuf = this.subarray(start, end) newBuf.__proto__ = Buffer.prototype } else { var sliceLen = end - start newBuf = new Buffer(sliceLen, undefined) for (var i = 0; i < sliceLen; i++) { newBuf[i] = this[i + start] } } return newBuf } /* * Need to make sure that buffer isn't trying to write out of bounds. */ function checkOffset (offset, ext, length) { if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint') if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length') } Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) { offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) checkOffset(offset, byteLength, this.length) var val = this[offset] var mul = 1 var i = 0 while (++i < byteLength && (mul *= 0x100)) { val += this[offset + i] * mul } return val } Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) { offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) { checkOffset(offset, byteLength, this.length) } var val = this[offset + --byteLength] var mul = 1 while (byteLength > 0 && (mul *= 0x100)) { val += this[offset + --byteLength] * mul } return val } Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) { if (!noAssert) checkOffset(offset, 1, this.length) return this[offset] } Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) { if (!noAssert) checkOffset(offset, 2, this.length) return this[offset] | (this[offset + 1] << 8) } Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) { if (!noAssert) checkOffset(offset, 2, this.length) return (this[offset] << 8) | this[offset + 1] } Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return ((this[offset]) | (this[offset + 1] << 8) | (this[offset + 2] << 16)) + (this[offset + 3] * 0x1000000) } Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset] * 0x1000000) + ((this[offset + 1] << 16) | (this[offset + 2] << 8) | this[offset + 3]) } Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) { offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) checkOffset(offset, byteLength, this.length) var val = this[offset] var mul = 1 var i = 0 while (++i < byteLength && (mul *= 0x100)) { val += this[offset + i] * mul } mul *= 0x80 if (val >= mul) val -= Math.pow(2, 8 * byteLength) return val } Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) { offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) checkOffset(offset, byteLength, this.length) var i = byteLength var mul = 1 var val = this[offset + --i] while (i > 0 && (mul *= 0x100)) { val += this[offset + --i] * mul } mul *= 0x80 if (val >= mul) val -= Math.pow(2, 8 * byteLength) return val } Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) { if (!noAssert) checkOffset(offset, 1, this.length) if (!(this[offset] & 0x80)) return (this[offset]) return ((0xff - this[offset] + 1) * -1) } Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) { if (!noAssert) checkOffset(offset, 2, this.length) var val = this[offset] | (this[offset + 1] << 8) return (val & 0x8000) ? val | 0xFFFF0000 : val } Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) { if (!noAssert) checkOffset(offset, 2, this.length) var val = this[offset + 1] | (this[offset] << 8) return (val & 0x8000) ? val | 0xFFFF0000 : val } Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset]) | (this[offset + 1] << 8) | (this[offset + 2] << 16) | (this[offset + 3] << 24) } Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return (this[offset] << 24) | (this[offset + 1] << 16) | (this[offset + 2] << 8) | (this[offset + 3]) } Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return ieee754.read(this, offset, true, 23, 4) } Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) { if (!noAssert) checkOffset(offset, 4, this.length) return ieee754.read(this, offset, false, 23, 4) } Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) { if (!noAssert) checkOffset(offset, 8, this.length) return ieee754.read(this, offset, true, 52, 8) } Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) { if (!noAssert) checkOffset(offset, 8, this.length) return ieee754.read(this, offset, false, 52, 8) } function checkInt (buf, value, offset, ext, max, min) { if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance') if (value > max || value < min) throw new RangeError('"value" argument is out of bounds') if (offset + ext > buf.length) throw new RangeError('Index out of range') } Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) { var maxBytes = Math.pow(2, 8 * byteLength) - 1 checkInt(this, value, offset, byteLength, maxBytes, 0) } var mul = 1 var i = 0 this[offset] = value & 0xFF while (++i < byteLength && (mul *= 0x100)) { this[offset + i] = (value / mul) & 0xFF } return offset + byteLength } Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 byteLength = byteLength | 0 if (!noAssert) { var maxBytes = Math.pow(2, 8 * byteLength) - 1 checkInt(this, value, offset, byteLength, maxBytes, 0) } var i = byteLength - 1 var mul = 1 this[offset + i] = value & 0xFF while (--i >= 0 && (mul *= 0x100)) { this[offset + i] = (value / mul) & 0xFF } return offset + byteLength } Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0) if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value) this[offset] = (value & 0xff) return offset + 1 } function objectWriteUInt16 (buf, value, offset, littleEndian) { if (value < 0) value = 0xffff + value + 1 for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) { buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>> (littleEndian ? i : 1 - i) * 8 } } Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) } else { objectWriteUInt16(this, value, offset, true) } return offset + 2 } Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value >>> 8) this[offset + 1] = (value & 0xff) } else { objectWriteUInt16(this, value, offset, false) } return offset + 2 } function objectWriteUInt32 (buf, value, offset, littleEndian) { if (value < 0) value = 0xffffffff + value + 1 for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) { buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff } } Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset + 3] = (value >>> 24) this[offset + 2] = (value >>> 16) this[offset + 1] = (value >>> 8) this[offset] = (value & 0xff) } else { objectWriteUInt32(this, value, offset, true) } return offset + 4 } Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value >>> 24) this[offset + 1] = (value >>> 16) this[offset + 2] = (value >>> 8) this[offset + 3] = (value & 0xff) } else { objectWriteUInt32(this, value, offset, false) } return offset + 4 } Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 if (!noAssert) { var limit = Math.pow(2, 8 * byteLength - 1) checkInt(this, value, offset, byteLength, limit - 1, -limit) } var i = 0 var mul = 1 var sub = 0 this[offset] = value & 0xFF while (++i < byteLength && (mul *= 0x100)) { if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) { sub = 1 } this[offset + i] = ((value / mul) >> 0) - sub & 0xFF } return offset + byteLength } Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) { value = +value offset = offset | 0 if (!noAssert) { var limit = Math.pow(2, 8 * byteLength - 1) checkInt(this, value, offset, byteLength, limit - 1, -limit) } var i = byteLength - 1 var mul = 1 var sub = 0 this[offset + i] = value & 0xFF while (--i >= 0 && (mul *= 0x100)) { if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) { sub = 1 } this[offset + i] = ((value / mul) >> 0) - sub & 0xFF } return offset + byteLength } Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80) if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value) if (value < 0) value = 0xff + value + 1 this[offset] = (value & 0xff) return offset + 1 } Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) } else { objectWriteUInt16(this, value, offset, true) } return offset + 2 } Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value >>> 8) this[offset + 1] = (value & 0xff) } else { objectWriteUInt16(this, value, offset, false) } return offset + 2 } Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value & 0xff) this[offset + 1] = (value >>> 8) this[offset + 2] = (value >>> 16) this[offset + 3] = (value >>> 24) } else { objectWriteUInt32(this, value, offset, true) } return offset + 4 } Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) { value = +value offset = offset | 0 if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000) if (value < 0) value = 0xffffffff + value + 1 if (Buffer.TYPED_ARRAY_SUPPORT) { this[offset] = (value >>> 24) this[offset + 1] = (value >>> 16) this[offset + 2] = (value >>> 8) this[offset + 3] = (value & 0xff) } else { objectWriteUInt32(this, value, offset, false) } return offset + 4 } function checkIEEE754 (buf, value, offset, ext, max, min) { if (offset + ext > buf.length) throw new RangeError('Index out of range') if (offset < 0) throw new RangeError('Index out of range') } function writeFloat (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38) } ieee754.write(buf, value, offset, littleEndian, 23, 4) return offset + 4 } Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) { return writeFloat(this, value, offset, true, noAssert) } Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) { return writeFloat(this, value, offset, false, noAssert) } function writeDouble (buf, value, offset, littleEndian, noAssert) { if (!noAssert) { checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308) } ieee754.write(buf, value, offset, littleEndian, 52, 8) return offset + 8 } Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) { return writeDouble(this, value, offset, true, noAssert) } Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) { return writeDouble(this, value, offset, false, noAssert) } // copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length) Buffer.prototype.copy = function copy (target, targetStart, start, end) { if (!start) start = 0 if (!end && end !== 0) end = this.length if (targetStart >= target.length) targetStart = target.length if (!targetStart) targetStart = 0 if (end > 0 && end < start) end = start // Copy 0 bytes; we're done if (end === start) return 0 if (target.length === 0 || this.length === 0) return 0 // Fatal error conditions if (targetStart < 0) { throw new RangeError('targetStart out of bounds') } if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds') if (end < 0) throw new RangeError('sourceEnd out of bounds') // Are we oob? if (end > this.length) end = this.length if (target.length - targetStart < end - start) { end = target.length - targetStart + start } var len = end - start var i if (this === target && start < targetStart && targetStart < end) { // descending copy from end for (i = len - 1; i >= 0; i--) { target[i + targetStart] = this[i + start] } } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) { // ascending copy from start for (i = 0; i < len; i++) { target[i + targetStart] = this[i + start] } } else { Uint8Array.prototype.set.call( target, this.subarray(start, start + len), targetStart ) } return len } // Usage: // buffer.fill(number[, offset[, end]]) // buffer.fill(buffer[, offset[, end]]) // buffer.fill(string[, offset[, end]][, encoding]) Buffer.prototype.fill = function fill (val, start, end, encoding) { // Handle string cases: if (typeof val === 'string') { if (typeof start === 'string') { encoding = start start = 0 end = this.length } else if (typeof end === 'string') { encoding = end end = this.length } if (val.length === 1) { var code = val.charCodeAt(0) if (code < 256) { val = code } } if (encoding !== undefined && typeof encoding !== 'string') { throw new TypeError('encoding must be a string') } if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) { throw new TypeError('Unknown encoding: ' + encoding) } } else if (typeof val === 'number') { val = val & 255 } // Invalid ranges are not set to a default, so can range check early. if (start < 0 || this.length < start || this.length < end) { throw new RangeError('Out of range index') } if (end <= start) { return this } start = start >>> 0 end = end === undefined ? this.length : end >>> 0 if (!val) val = 0 var i if (typeof val === 'number') { for (i = start; i < end; i++) { this[i] = val } } else { var bytes = Buffer.isBuffer(val) ? val : utf8ToBytes(new Buffer(val, encoding).toString()) var len = bytes.length for (i = 0; i < end - start; i++) { this[i + start] = bytes[i % len] } } return this } // HELPER FUNCTIONS // ================ var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g function base64clean (str) { // Node strips out invalid characters like \n and \t from the string, base64-js does not str = stringtrim(str).replace(INVALID_BASE64_RE, '') // Node converts strings with length < 2 to '' if (str.length < 2) return '' // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not while (str.length % 4 !== 0) { str = str + '=' } return str } function stringtrim (str) { if (str.trim) return str.trim() return str.replace(/^\s+|\s+$/g, '') } function toHex (n) { if (n < 16) return '0' + n.toString(16) return n.toString(16) } function utf8ToBytes (string, units) { units = units || Infinity var codePoint var length = string.length var leadSurrogate = null var bytes = [] for (var i = 0; i < length; i++) { codePoint = string.charCodeAt(i) // is surrogate component if (codePoint > 0xD7FF && codePoint < 0xE000) { // last char was a lead if (!leadSurrogate) { // no lead yet if (codePoint > 0xDBFF) { // unexpected trail if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) continue } else if (i + 1 === length) { // unpaired lead if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) continue } // valid lead leadSurrogate = codePoint continue } // 2 leads in a row if (codePoint < 0xDC00) { if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) leadSurrogate = codePoint continue } // valid surrogate pair codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000 } else if (leadSurrogate) { // valid bmp char, but last char was a lead if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD) } leadSurrogate = null // encode utf8 if (codePoint < 0x80) { if ((units -= 1) < 0) break bytes.push(codePoint) } else if (codePoint < 0x800) { if ((units -= 2) < 0) break bytes.push( codePoint >> 0x6 | 0xC0, codePoint & 0x3F | 0x80 ) } else if (codePoint < 0x10000) { if ((units -= 3) < 0) break bytes.push( codePoint >> 0xC | 0xE0, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80 ) } else if (codePoint < 0x110000) { if ((units -= 4) < 0) break bytes.push( codePoint >> 0x12 | 0xF0, codePoint >> 0xC & 0x3F | 0x80, codePoint >> 0x6 & 0x3F | 0x80, codePoint & 0x3F | 0x80 ) } else { throw new Error('Invalid code point') } } return bytes } function asciiToBytes (str) { var byteArray = [] for (var i = 0; i < str.length; i++) { // Node's code seems to be doing this and not & 0x7F.. byteArray.push(str.charCodeAt(i) & 0xFF) } return byteArray } function utf16leToBytes (str, units) { var c, hi, lo var byteArray = [] for (var i = 0; i < str.length; i++) { if ((units -= 2) < 0) break c = str.charCodeAt(i) hi = c >> 8 lo = c % 256 byteArray.push(lo) byteArray.push(hi) } return byteArray } function base64ToBytes (str) { return base64.toByteArray(base64clean(str)) } function blitBuffer (src, dst, offset, length) { for (var i = 0; i < length; i++) { if ((i + offset >= dst.length) || (i >= src.length)) break dst[i + offset] = src[i] } return i } function isnan (val) { return val !== val // eslint-disable-line no-self-compare } }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{"base64-js":1,"ieee754":15,"isarray":16}],4:[function(require,module,exports){ // Use strict mode (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode) "use strict"; // Requires var Typo = require("typo-js"); // Create function function CodeMirrorSpellChecker(options) { // Initialize options = options || {}; // Verify if(typeof options.codeMirrorInstance !== "function" || typeof options.codeMirrorInstance.defineMode !== "function") { console.log("CodeMirror Spell Checker: You must provide an instance of CodeMirror via the option `codeMirrorInstance`"); return; } // Because some browsers don't support this functionality yet if(!String.prototype.includes) { String.prototype.includes = function() { "use strict"; return String.prototype.indexOf.apply(this, arguments) !== -1; }; } // Define the new mode options.codeMirrorInstance.defineMode("spell-checker", function(config) { // Load AFF/DIC data if(!CodeMirrorSpellChecker.aff_loading) { CodeMirrorSpellChecker.aff_loading = true; var xhr_aff = new XMLHttpRequest(); xhr_aff.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.aff", true); xhr_aff.onload = function() { if(xhr_aff.readyState === 4 && xhr_aff.status === 200) { CodeMirrorSpellChecker.aff_data = xhr_aff.responseText; CodeMirrorSpellChecker.num_loaded++; if(CodeMirrorSpellChecker.num_loaded == 2) { CodeMirrorSpellChecker.typo = new Typo("en_US", CodeMirrorSpellChecker.aff_data, CodeMirrorSpellChecker.dic_data, { platform: "any" }); } } }; xhr_aff.send(null); } if(!CodeMirrorSpellChecker.dic_loading) { CodeMirrorSpellChecker.dic_loading = true; var xhr_dic = new XMLHttpRequest(); xhr_dic.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.dic", true); xhr_dic.onload = function() { if(xhr_dic.readyState === 4 && xhr_dic.status === 200) { CodeMirrorSpellChecker.dic_data = xhr_dic.responseText; CodeMirrorSpellChecker.num_loaded++; if(CodeMirrorSpellChecker.num_loaded == 2) { CodeMirrorSpellChecker.typo = new Typo("en_US", CodeMirrorSpellChecker.aff_data, CodeMirrorSpellChecker.dic_data, { platform: "any" }); } } }; xhr_dic.send(null); } // Define what separates a word var rx_word = "!\"#$%&()*+,-./:;<=>?@[\\]^_`{|}~ "; // Create the overlay and such var overlay = { token: function(stream) { var ch = stream.peek(); var word = ""; if(rx_word.includes(ch)) { stream.next(); return null; } while((ch = stream.peek()) != null && !rx_word.includes(ch)) { word += ch; stream.next(); } if(CodeMirrorSpellChecker.typo && !CodeMirrorSpellChecker.typo.check(word)) return "spell-error"; // CSS class: cm-spell-error return null; } }; var mode = options.codeMirrorInstance.getMode( config, config.backdrop || "text/plain" ); return options.codeMirrorInstance.overlayMode(mode, overlay, true); }); } // Initialize data globally to reduce memory consumption CodeMirrorSpellChecker.num_loaded = 0; CodeMirrorSpellChecker.aff_loading = false; CodeMirrorSpellChecker.dic_loading = false; CodeMirrorSpellChecker.aff_data = ""; CodeMirrorSpellChecker.dic_data = ""; CodeMirrorSpellChecker.typo; // Export module.exports = CodeMirrorSpellChecker; },{"typo-js":18}],5:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.defineOption("fullScreen", false, function(cm, val, old) { if (old == CodeMirror.Init) old = false; if (!old == !val) return; if (val) setFullscreen(cm); else setNormal(cm); }); function setFullscreen(cm) { var wrap = cm.getWrapperElement(); cm.state.fullScreenRestore = {scrollTop: window.pageYOffset, scrollLeft: window.pageXOffset, width: wrap.style.width, height: wrap.style.height}; wrap.style.width = ""; wrap.style.height = "auto"; wrap.className += " CodeMirror-fullscreen"; document.documentElement.style.overflow = "hidden"; cm.refresh(); } function setNormal(cm) { var wrap = cm.getWrapperElement(); wrap.className = wrap.className.replace(/\s*CodeMirror-fullscreen\b/, ""); document.documentElement.style.overflow = ""; var info = cm.state.fullScreenRestore; wrap.style.width = info.width; wrap.style.height = info.height; window.scrollTo(info.scrollLeft, info.scrollTop); cm.refresh(); } }); },{"../../lib/codemirror":10}],6:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { CodeMirror.defineOption("placeholder", "", function(cm, val, old) { var prev = old && old != CodeMirror.Init; if (val && !prev) { cm.on("blur", onBlur); cm.on("change", onChange); cm.on("swapDoc", onChange); onChange(cm); } else if (!val && prev) { cm.off("blur", onBlur); cm.off("change", onChange); cm.off("swapDoc", onChange); clearPlaceholder(cm); var wrapper = cm.getWrapperElement(); wrapper.className = wrapper.className.replace(" CodeMirror-empty", ""); } if (val && !cm.hasFocus()) onBlur(cm); }); function clearPlaceholder(cm) { if (cm.state.placeholder) { cm.state.placeholder.parentNode.removeChild(cm.state.placeholder); cm.state.placeholder = null; } } function setPlaceholder(cm) { clearPlaceholder(cm); var elt = cm.state.placeholder = document.createElement("pre"); elt.style.cssText = "height: 0; overflow: visible"; elt.className = "CodeMirror-placeholder"; var placeHolder = cm.getOption("placeholder") if (typeof placeHolder == "string") placeHolder = document.createTextNode(placeHolder) elt.appendChild(placeHolder) cm.display.lineSpace.insertBefore(elt, cm.display.lineSpace.firstChild); } function onBlur(cm) { if (isEmpty(cm)) setPlaceholder(cm); } function onChange(cm) { var wrapper = cm.getWrapperElement(), empty = isEmpty(cm); wrapper.className = wrapper.className.replace(" CodeMirror-empty", "") + (empty ? " CodeMirror-empty" : ""); if (empty) setPlaceholder(cm); else clearPlaceholder(cm); } function isEmpty(cm) { return (cm.lineCount() === 1) && (cm.getLine(0) === ""); } }); },{"../../lib/codemirror":10}],7:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; var listRE = /^(\s*)(>[> ]*|[*+-]\s|(\d+)([.)]))(\s*)/, emptyListRE = /^(\s*)(>[> ]*|[*+-]|(\d+)[.)])(\s*)$/, unorderedListRE = /[*+-]\s/; CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) { if (cm.getOption("disableInput")) return CodeMirror.Pass; var ranges = cm.listSelections(), replacements = []; for (var i = 0; i < ranges.length; i++) { var pos = ranges[i].head; var eolState = cm.getStateAfter(pos.line); var inList = eolState.list !== false; var inQuote = eolState.quote !== 0; var line = cm.getLine(pos.line), match = listRE.exec(line); if (!ranges[i].empty() || (!inList && !inQuote) || !match) { cm.execCommand("newlineAndIndent"); return; } if (emptyListRE.test(line)) { cm.replaceRange("", { line: pos.line, ch: 0 }, { line: pos.line, ch: pos.ch + 1 }); replacements[i] = "\n"; } else { var indent = match[1], after = match[5]; var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0 ? match[2] : (parseInt(match[3], 10) + 1) + match[4]; replacements[i] = "\n" + indent + bullet + after; } } cm.replaceSelections(replacements); }; }); },{"../../lib/codemirror":10}],8:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE // Utility function that allows modes to be combined. The mode given // as the base argument takes care of most of the normal mode // functionality, but a second (typically simple) mode is used, which // can override the style of text. Both modes get to parse all of the // text, but when both assign a non-null style to a piece of code, the // overlay wins, unless the combine argument was true and not overridden, // or state.overlay.combineTokens was true, in which case the styles are // combined. (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.overlayMode = function(base, overlay, combine) { return { startState: function() { return { base: CodeMirror.startState(base), overlay: CodeMirror.startState(overlay), basePos: 0, baseCur: null, overlayPos: 0, overlayCur: null, streamSeen: null }; }, copyState: function(state) { return { base: CodeMirror.copyState(base, state.base), overlay: CodeMirror.copyState(overlay, state.overlay), basePos: state.basePos, baseCur: null, overlayPos: state.overlayPos, overlayCur: null }; }, token: function(stream, state) { if (stream != state.streamSeen || Math.min(state.basePos, state.overlayPos) < stream.start) { state.streamSeen = stream; state.basePos = state.overlayPos = stream.start; } if (stream.start == state.basePos) { state.baseCur = base.token(stream, state.base); state.basePos = stream.pos; } if (stream.start == state.overlayPos) { stream.pos = stream.start; state.overlayCur = overlay.token(stream, state.overlay); state.overlayPos = stream.pos; } stream.pos = Math.min(state.basePos, state.overlayPos); // state.overlay.combineTokens always takes precedence over combine, // unless set to null if (state.overlayCur == null) return state.baseCur; else if (state.baseCur != null && state.overlay.combineTokens || combine && state.overlay.combineTokens == null) return state.baseCur + " " + state.overlayCur; else return state.overlayCur; }, indent: base.indent && function(state, textAfter) { return base.indent(state.base, textAfter); }, electricChars: base.electricChars, innerMode: function(state) { return {state: state.base, mode: base}; }, blankLine: function(state) { if (base.blankLine) base.blankLine(state.base); if (overlay.blankLine) overlay.blankLine(state.overlay); } }; }; }); },{"../../lib/codemirror":10}],9:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE // Because sometimes you need to mark the selected *text*. // // Adds an option 'styleSelectedText' which, when enabled, gives // selected text the CSS class given as option value, or // "CodeMirror-selectedtext" when the value is not a string. (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.defineOption("styleSelectedText", false, function(cm, val, old) { var prev = old && old != CodeMirror.Init; if (val && !prev) { cm.state.markedSelection = []; cm.state.markedSelectionStyle = typeof val == "string" ? val : "CodeMirror-selectedtext"; reset(cm); cm.on("cursorActivity", onCursorActivity); cm.on("change", onChange); } else if (!val && prev) { cm.off("cursorActivity", onCursorActivity); cm.off("change", onChange); clear(cm); cm.state.markedSelection = cm.state.markedSelectionStyle = null; } }); function onCursorActivity(cm) { cm.operation(function() { update(cm); }); } function onChange(cm) { if (cm.state.markedSelection.length) cm.operation(function() { clear(cm); }); } var CHUNK_SIZE = 8; var Pos = CodeMirror.Pos; var cmp = CodeMirror.cmpPos; function coverRange(cm, from, to, addAt) { if (cmp(from, to) == 0) return; var array = cm.state.markedSelection; var cls = cm.state.markedSelectionStyle; for (var line = from.line;;) { var start = line == from.line ? from : Pos(line, 0); var endLine = line + CHUNK_SIZE, atEnd = endLine >= to.line; var end = atEnd ? to : Pos(endLine, 0); var mark = cm.markText(start, end, {className: cls}); if (addAt == null) array.push(mark); else array.splice(addAt++, 0, mark); if (atEnd) break; line = endLine; } } function clear(cm) { var array = cm.state.markedSelection; for (var i = 0; i < array.length; ++i) array[i].clear(); array.length = 0; } function reset(cm) { clear(cm); var ranges = cm.listSelections(); for (var i = 0; i < ranges.length; i++) coverRange(cm, ranges[i].from(), ranges[i].to()); } function update(cm) { if (!cm.somethingSelected()) return clear(cm); if (cm.listSelections().length > 1) return reset(cm); var from = cm.getCursor("start"), to = cm.getCursor("end"); var array = cm.state.markedSelection; if (!array.length) return coverRange(cm, from, to); var coverStart = array[0].find(), coverEnd = array[array.length - 1].find(); if (!coverStart || !coverEnd || to.line - from.line < CHUNK_SIZE || cmp(from, coverEnd.to) >= 0 || cmp(to, coverStart.from) <= 0) return reset(cm); while (cmp(from, coverStart.from) > 0) { array.shift().clear(); coverStart = array[0].find(); } if (cmp(from, coverStart.from) < 0) { if (coverStart.to.line - from.line < CHUNK_SIZE) { array.shift().clear(); coverRange(cm, from, coverStart.to, 0); } else { coverRange(cm, from, coverStart.from, 0); } } while (cmp(to, coverEnd.to) < 0) { array.pop().clear(); coverEnd = array[array.length - 1].find(); } if (cmp(to, coverEnd.to) > 0) { if (to.line - coverEnd.from.line < CHUNK_SIZE) { array.pop().clear(); coverRange(cm, coverEnd.from, to); } else { coverRange(cm, coverEnd.to, to); } } } }); },{"../../lib/codemirror":10}],10:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE // This is CodeMirror (http://codemirror.net), a code editor // implemented in JavaScript on top of the browser's DOM. // // You can find some technical background for some of the code below // at http://marijnhaverbeke.nl/blog/#cm-internals . (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS module.exports = mod(); else if (typeof define == "function" && define.amd) // AMD return define([], mod); else // Plain browser env (this || window).CodeMirror = mod(); })(function() { "use strict"; // BROWSER SNIFFING // Kludges for bugs and behavior differences that can't be feature // detected are enabled based on userAgent etc sniffing. var userAgent = navigator.userAgent; var platform = navigator.platform; var gecko = /gecko\/\d/i.test(userAgent); var ie_upto10 = /MSIE \d/.test(userAgent); var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent); var ie = ie_upto10 || ie_11up; var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]); var webkit = /WebKit\//.test(userAgent); var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent); var chrome = /Chrome\//.test(userAgent); var presto = /Opera\//.test(userAgent); var safari = /Apple Computer/.test(navigator.vendor); var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent); var phantom = /PhantomJS/.test(userAgent); var ios = /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent); // This is woefully incomplete. Suggestions for alternative methods welcome. var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent); var mac = ios || /Mac/.test(platform); var chromeOS = /\bCrOS\b/.test(userAgent); var windows = /win/i.test(platform); var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/); if (presto_version) presto_version = Number(presto_version[1]); if (presto_version && presto_version >= 15) { presto = false; webkit = true; } // Some browsers use the wrong event properties to signal cmd/ctrl on OS X var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11)); var captureRightClick = gecko || (ie && ie_version >= 9); // Optimize some code when these features are not used. var sawReadOnlySpans = false, sawCollapsedSpans = false; // EDITOR CONSTRUCTOR // A CodeMirror instance represents an editor. This is the object // that user code is usually dealing with. function CodeMirror(place, options) { if (!(this instanceof CodeMirror)) return new CodeMirror(place, options); this.options = options = options ? copyObj(options) : {}; // Determine effective options based on given values and defaults. copyObj(defaults, options, false); setGuttersForLineNumbers(options); var doc = options.value; if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator); this.doc = doc; var input = new CodeMirror.inputStyles[options.inputStyle](this); var display = this.display = new Display(place, doc, input); display.wrapper.CodeMirror = this; updateGutters(this); themeChanged(this); if (options.lineWrapping) this.display.wrapper.className += " CodeMirror-wrap"; if (options.autofocus && !mobile) display.input.focus(); initScrollbars(this); this.state = { keyMaps: [], // stores maps added by addKeyMap overlays: [], // highlighting overlays, as added by addOverlay modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info overwrite: false, delayingBlurEvent: false, focused: false, suppressEdits: false, // used to disable editing during key handlers when in readOnly mode pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll selectingText: false, draggingText: false, highlight: new Delayed(), // stores highlight worker timeout keySeq: null, // Unfinished key sequence specialChars: null }; var cm = this; // Override magic textarea content restore that IE sometimes does // on our hidden textarea on reload if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20); registerEventHandlers(this); ensureGlobalHandlers(); startOperation(this); this.curOp.forceUpdate = true; attachDoc(this, doc); if ((options.autofocus && !mobile) || cm.hasFocus()) setTimeout(bind(onFocus, this), 20); else onBlur(this); for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt)) optionHandlers[opt](this, options[opt], Init); maybeUpdateLineNumberWidth(this); if (options.finishInit) options.finishInit(this); for (var i = 0; i < initHooks.length; ++i) initHooks[i](this); endOperation(this); // Suppress optimizelegibility in Webkit, since it breaks text // measuring on line wrapping boundaries. if (webkit && options.lineWrapping && getComputedStyle(display.lineDiv).textRendering == "optimizelegibility") display.lineDiv.style.textRendering = "auto"; } // DISPLAY CONSTRUCTOR // The display handles the DOM integration, both for input reading // and content drawing. It holds references to DOM nodes and // display-related state. function Display(place, doc, input) { var d = this; this.input = input; // Covers bottom-right square when both scrollbars are present. d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler"); d.scrollbarFiller.setAttribute("cm-not-content", "true"); // Covers bottom of gutter when coverGutterNextToScrollbar is on // and h scrollbar is present. d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler"); d.gutterFiller.setAttribute("cm-not-content", "true"); // Will contain the actual code, positioned to cover the viewport. d.lineDiv = elt("div", null, "CodeMirror-code"); // Elements are added to these to represent selection and cursors. d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1"); d.cursorDiv = elt("div", null, "CodeMirror-cursors"); // A visibility: hidden element used to find the size of things. d.measure = elt("div", null, "CodeMirror-measure"); // When lines outside of the viewport are measured, they are drawn in this. d.lineMeasure = elt("div", null, "CodeMirror-measure"); // Wraps everything that needs to exist inside the vertically-padded coordinate system d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv], null, "position: relative; outline: none"); // Moved around its parent to cover visible view. d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative"); // Set to the height of the document, allowing scrolling. d.sizer = elt("div", [d.mover], "CodeMirror-sizer"); d.sizerWidth = null; // Behavior of elts with overflow: auto and padding is // inconsistent across browsers. This is used to ensure the // scrollable area is big enough. d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;"); // Will contain the gutters, if any. d.gutters = elt("div", null, "CodeMirror-gutters"); d.lineGutter = null; // Actual scrollable element. d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll"); d.scroller.setAttribute("tabIndex", "-1"); // The element in which the editor lives. d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror"); // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported) if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; } if (!webkit && !(gecko && mobile)) d.scroller.draggable = true; if (place) { if (place.appendChild) place.appendChild(d.wrapper); else place(d.wrapper); } // Current rendered range (may be bigger than the view window). d.viewFrom = d.viewTo = doc.first; d.reportedViewFrom = d.reportedViewTo = doc.first; // Information about the rendered lines. d.view = []; d.renderedView = null; // Holds info about a single rendered line when it was rendered // for measurement, while not in view. d.externalMeasured = null; // Empty space (in pixels) above the view d.viewOffset = 0; d.lastWrapHeight = d.lastWrapWidth = 0; d.updateLineNumbers = null; d.nativeBarWidth = d.barHeight = d.barWidth = 0; d.scrollbarsClipped = false; // Used to only resize the line number gutter when necessary (when // the amount of lines crosses a boundary that makes its width change) d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null; // Set to true when a non-horizontal-scrolling line widget is // added. As an optimization, line widget aligning is skipped when // this is false. d.alignWidgets = false; d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; // Tracks the maximum line length so that the horizontal scrollbar // can be kept static when scrolling. d.maxLine = null; d.maxLineLength = 0; d.maxLineChanged = false; // Used for measuring wheel scrolling granularity d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null; // True when shift is held down. d.shift = false; // Used to track whether anything happened since the context menu // was opened. d.selForContextMenu = null; d.activeTouch = null; input.init(d); } // STATE UPDATES // Used to get the editor into a consistent state again when options change. function loadMode(cm) { cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption); resetModeState(cm); } function resetModeState(cm) { cm.doc.iter(function(line) { if (line.stateAfter) line.stateAfter = null; if (line.styles) line.styles = null; }); cm.doc.frontier = cm.doc.first; startWorker(cm, 100); cm.state.modeGen++; if (cm.curOp) regChange(cm); } function wrappingChanged(cm) { if (cm.options.lineWrapping) { addClass(cm.display.wrapper, "CodeMirror-wrap"); cm.display.sizer.style.minWidth = ""; cm.display.sizerWidth = null; } else { rmClass(cm.display.wrapper, "CodeMirror-wrap"); findMaxLine(cm); } estimateLineHeights(cm); regChange(cm); clearCaches(cm); setTimeout(function(){updateScrollbars(cm);}, 100); } // Returns a function that estimates the height of a line, to use as // first approximation until the line becomes visible (and is thus // properly measurable). function estimateHeight(cm) { var th = textHeight(cm.display), wrapping = cm.options.lineWrapping; var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3); return function(line) { if (lineIsHidden(cm.doc, line)) return 0; var widgetsHeight = 0; if (line.widgets) for (var i = 0; i < line.widgets.length; i++) { if (line.widgets[i].height) widgetsHeight += line.widgets[i].height; } if (wrapping) return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th; else return widgetsHeight + th; }; } function estimateLineHeights(cm) { var doc = cm.doc, est = estimateHeight(cm); doc.iter(function(line) { var estHeight = est(line); if (estHeight != line.height) updateLineHeight(line, estHeight); }); } function themeChanged(cm) { cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") + cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-"); clearCaches(cm); } function guttersChanged(cm) { updateGutters(cm); regChange(cm); setTimeout(function(){alignHorizontally(cm);}, 20); } // Rebuild the gutter elements, ensure the margin to the left of the // code matches their width. function updateGutters(cm) { var gutters = cm.display.gutters, specs = cm.options.gutters; removeChildren(gutters); for (var i = 0; i < specs.length; ++i) { var gutterClass = specs[i]; var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass)); if (gutterClass == "CodeMirror-linenumbers") { cm.display.lineGutter = gElt; gElt.style.width = (cm.display.lineNumWidth || 1) + "px"; } } gutters.style.display = i ? "" : "none"; updateGutterSpace(cm); } function updateGutterSpace(cm) { var width = cm.display.gutters.offsetWidth; cm.display.sizer.style.marginLeft = width + "px"; } // Compute the character length of a line, taking into account // collapsed ranges (see markText) that might hide parts, and join // other lines onto it. function lineLength(line) { if (line.height == 0) return 0; var len = line.text.length, merged, cur = line; while (merged = collapsedSpanAtStart(cur)) { var found = merged.find(0, true); cur = found.from.line; len += found.from.ch - found.to.ch; } cur = line; while (merged = collapsedSpanAtEnd(cur)) { var found = merged.find(0, true); len -= cur.text.length - found.from.ch; cur = found.to.line; len += cur.text.length - found.to.ch; } return len; } // Find the longest line in the document. function findMaxLine(cm) { var d = cm.display, doc = cm.doc; d.maxLine = getLine(doc, doc.first); d.maxLineLength = lineLength(d.maxLine); d.maxLineChanged = true; doc.iter(function(line) { var len = lineLength(line); if (len > d.maxLineLength) { d.maxLineLength = len; d.maxLine = line; } }); } // Make sure the gutters options contains the element // "CodeMirror-linenumbers" when the lineNumbers option is true. function setGuttersForLineNumbers(options) { var found = indexOf(options.gutters, "CodeMirror-linenumbers"); if (found == -1 && options.lineNumbers) { options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]); } else if (found > -1 && !options.lineNumbers) { options.gutters = options.gutters.slice(0); options.gutters.splice(found, 1); } } // SCROLLBARS // Prepare DOM reads needed to update the scrollbars. Done in one // shot to minimize update/measure roundtrips. function measureForScrollbars(cm) { var d = cm.display, gutterW = d.gutters.offsetWidth; var docH = Math.round(cm.doc.height + paddingVert(cm.display)); return { clientHeight: d.scroller.clientHeight, viewHeight: d.wrapper.clientHeight, scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth, viewWidth: d.wrapper.clientWidth, barLeft: cm.options.fixedGutter ? gutterW : 0, docHeight: docH, scrollHeight: docH + scrollGap(cm) + d.barHeight, nativeBarWidth: d.nativeBarWidth, gutterWidth: gutterW }; } function NativeScrollbars(place, scroll, cm) { this.cm = cm; var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar"); var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar"); place(vert); place(horiz); on(vert, "scroll", function() { if (vert.clientHeight) scroll(vert.scrollTop, "vertical"); }); on(horiz, "scroll", function() { if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal"); }); this.checkedZeroWidth = false; // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8). if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; } NativeScrollbars.prototype = copyObj({ update: function(measure) { var needsH = measure.scrollWidth > measure.clientWidth + 1; var needsV = measure.scrollHeight > measure.clientHeight + 1; var sWidth = measure.nativeBarWidth; if (needsV) { this.vert.style.display = "block"; this.vert.style.bottom = needsH ? sWidth + "px" : "0"; var totalHeight = measure.viewHeight - (needsH ? sWidth : 0); // A bug in IE8 can cause this value to be negative, so guard it. this.vert.firstChild.style.height = Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px"; } else { this.vert.style.display = ""; this.vert.firstChild.style.height = "0"; } if (needsH) { this.horiz.style.display = "block"; this.horiz.style.right = needsV ? sWidth + "px" : "0"; this.horiz.style.left = measure.barLeft + "px"; var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0); this.horiz.firstChild.style.width = (measure.scrollWidth - measure.clientWidth + totalWidth) + "px"; } else { this.horiz.style.display = ""; this.horiz.firstChild.style.width = "0"; } if (!this.checkedZeroWidth && measure.clientHeight > 0) { if (sWidth == 0) this.zeroWidthHack(); this.checkedZeroWidth = true; } return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}; }, setScrollLeft: function(pos) { if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos; if (this.disableHoriz) this.enableZeroWidthBar(this.horiz, this.disableHoriz); }, setScrollTop: function(pos) { if (this.vert.scrollTop != pos) this.vert.scrollTop = pos; if (this.disableVert) this.enableZeroWidthBar(this.vert, this.disableVert); }, zeroWidthHack: function() { var w = mac && !mac_geMountainLion ? "12px" : "18px"; this.horiz.style.height = this.vert.style.width = w; this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none"; this.disableHoriz = new Delayed; this.disableVert = new Delayed; }, enableZeroWidthBar: function(bar, delay) { bar.style.pointerEvents = "auto"; function maybeDisable() { // To find out whether the scrollbar is still visible, we // check whether the element under the pixel in the bottom // left corner of the scrollbar box is the scrollbar box // itself (when the bar is still visible) or its filler child // (when the bar is hidden). If it is still visible, we keep // it enabled, if it's hidden, we disable pointer events. var box = bar.getBoundingClientRect(); var elt = document.elementFromPoint(box.left + 1, box.bottom - 1); if (elt != bar) bar.style.pointerEvents = "none"; else delay.set(1000, maybeDisable); } delay.set(1000, maybeDisable); }, clear: function() { var parent = this.horiz.parentNode; parent.removeChild(this.horiz); parent.removeChild(this.vert); } }, NativeScrollbars.prototype); function NullScrollbars() {} NullScrollbars.prototype = copyObj({ update: function() { return {bottom: 0, right: 0}; }, setScrollLeft: function() {}, setScrollTop: function() {}, clear: function() {} }, NullScrollbars.prototype); CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars}; function initScrollbars(cm) { if (cm.display.scrollbars) { cm.display.scrollbars.clear(); if (cm.display.scrollbars.addClass) rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); } cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) { cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller); // Prevent clicks in the scrollbars from killing focus on(node, "mousedown", function() { if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0); }); node.setAttribute("cm-not-content", "true"); }, function(pos, axis) { if (axis == "horizontal") setScrollLeft(cm, pos); else setScrollTop(cm, pos); }, cm); if (cm.display.scrollbars.addClass) addClass(cm.display.wrapper, cm.display.scrollbars.addClass); } function updateScrollbars(cm, measure) { if (!measure) measure = measureForScrollbars(cm); var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight; updateScrollbarsInner(cm, measure); for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) { if (startWidth != cm.display.barWidth && cm.options.lineWrapping) updateHeightsInViewport(cm); updateScrollbarsInner(cm, measureForScrollbars(cm)); startWidth = cm.display.barWidth; startHeight = cm.display.barHeight; } } // Re-synchronize the fake scrollbars with the actual size of the // content. function updateScrollbarsInner(cm, measure) { var d = cm.display; var sizes = d.scrollbars.update(measure); d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px"; d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px"; d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent" if (sizes.right && sizes.bottom) { d.scrollbarFiller.style.display = "block"; d.scrollbarFiller.style.height = sizes.bottom + "px"; d.scrollbarFiller.style.width = sizes.right + "px"; } else d.scrollbarFiller.style.display = ""; if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) { d.gutterFiller.style.display = "block"; d.gutterFiller.style.height = sizes.bottom + "px"; d.gutterFiller.style.width = measure.gutterWidth + "px"; } else d.gutterFiller.style.display = ""; } // Compute the lines that are visible in a given viewport (defaults // the the current scroll position). viewport may contain top, // height, and ensure (see op.scrollToPos) properties. function visibleLines(display, doc, viewport) { var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop; top = Math.floor(top - paddingTop(display)); var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight; var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom); // Ensure is a {from: {line, ch}, to: {line, ch}} object, and // forces those lines into the viewport (if possible). if (viewport && viewport.ensure) { var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line; if (ensureFrom < from) { from = ensureFrom; to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight); } else if (Math.min(ensureTo, doc.lastLine()) >= to) { from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight); to = ensureTo; } } return {from: from, to: Math.max(to, from + 1)}; } // LINE NUMBERS // Re-align line numbers and gutter marks to compensate for // horizontal scrolling. function alignHorizontally(cm) { var display = cm.display, view = display.view; if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return; var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft; var gutterW = display.gutters.offsetWidth, left = comp + "px"; for (var i = 0; i < view.length; i++) if (!view[i].hidden) { if (cm.options.fixedGutter && view[i].gutter) view[i].gutter.style.left = left; var align = view[i].alignable; if (align) for (var j = 0; j < align.length; j++) align[j].style.left = left; } if (cm.options.fixedGutter) display.gutters.style.left = (comp + gutterW) + "px"; } // Used to ensure that the line number gutter is still the right // size for the current document size. Returns true when an update // is needed. function maybeUpdateLineNumberWidth(cm) { if (!cm.options.lineNumbers) return false; var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display; if (last.length != display.lineNumChars) { var test = display.measure.appendChild(elt("div", [elt("div", last)], "CodeMirror-linenumber CodeMirror-gutter-elt")); var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW; display.lineGutter.style.width = ""; display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1; display.lineNumWidth = display.lineNumInnerWidth + padding; display.lineNumChars = display.lineNumInnerWidth ? last.length : -1; display.lineGutter.style.width = display.lineNumWidth + "px"; updateGutterSpace(cm); return true; } return false; } function lineNumberFor(options, i) { return String(options.lineNumberFormatter(i + options.firstLineNumber)); } // Computes display.scroller.scrollLeft + display.gutters.offsetWidth, // but using getBoundingClientRect to get a sub-pixel-accurate // result. function compensateForHScroll(display) { return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left; } // DISPLAY DRAWING function DisplayUpdate(cm, viewport, force) { var display = cm.display; this.viewport = viewport; // Store some values that we'll need later (but don't want to force a relayout for) this.visible = visibleLines(display, cm.doc, viewport); this.editorIsHidden = !display.wrapper.offsetWidth; this.wrapperHeight = display.wrapper.clientHeight; this.wrapperWidth = display.wrapper.clientWidth; this.oldDisplayWidth = displayWidth(cm); this.force = force; this.dims = getDimensions(cm); this.events = []; } DisplayUpdate.prototype.signal = function(emitter, type) { if (hasHandler(emitter, type)) this.events.push(arguments); }; DisplayUpdate.prototype.finish = function() { for (var i = 0; i < this.events.length; i++) signal.apply(null, this.events[i]); }; function maybeClipScrollbars(cm) { var display = cm.display; if (!display.scrollbarsClipped && display.scroller.offsetWidth) { display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth; display.heightForcer.style.height = scrollGap(cm) + "px"; display.sizer.style.marginBottom = -display.nativeBarWidth + "px"; display.sizer.style.borderRightWidth = scrollGap(cm) + "px"; display.scrollbarsClipped = true; } } // Does the actual updating of the line display. Bails out // (returning false) when there is nothing to be done and forced is // false. function updateDisplayIfNeeded(cm, update) { var display = cm.display, doc = cm.doc; if (update.editorIsHidden) { resetView(cm); return false; } // Bail out if the visible area is already rendered and nothing changed. if (!update.force && update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo && (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) && display.renderedView == display.view && countDirtyView(cm) == 0) return false; if (maybeUpdateLineNumberWidth(cm)) { resetView(cm); update.dims = getDimensions(cm); } // Compute a suitable new viewport (from & to) var end = doc.first + doc.size; var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first); var to = Math.min(end, update.visible.to + cm.options.viewportMargin); if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom); if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo); if (sawCollapsedSpans) { from = visualLineNo(cm.doc, from); to = visualLineEndNo(cm.doc, to); } var different = from != display.viewFrom || to != display.viewTo || display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth; adjustView(cm, from, to); display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom)); // Position the mover div to align with the current scroll position cm.display.mover.style.top = display.viewOffset + "px"; var toUpdate = countDirtyView(cm); if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view && (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo)) return false; // For big changes, we hide the enclosing element during the // update, since that speeds up the operations on most browsers. var focused = activeElt(); if (toUpdate > 4) display.lineDiv.style.display = "none"; patchDisplay(cm, display.updateLineNumbers, update.dims); if (toUpdate > 4) display.lineDiv.style.display = ""; display.renderedView = display.view; // There might have been a widget with a focused element that got // hidden or updated, if so re-focus it. if (focused && activeElt() != focused && focused.offsetHeight) focused.focus(); // Prevent selection and cursors from interfering with the scroll // width and height. removeChildren(display.cursorDiv); removeChildren(display.selectionDiv); display.gutters.style.height = display.sizer.style.minHeight = 0; if (different) { display.lastWrapHeight = update.wrapperHeight; display.lastWrapWidth = update.wrapperWidth; startWorker(cm, 400); } display.updateLineNumbers = null; return true; } function postUpdateDisplay(cm, update) { var viewport = update.viewport; for (var first = true;; first = false) { if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) { // Clip forced viewport to actual scrollable area. if (viewport && viewport.top != null) viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; // Updated line heights might result in the drawn area not // actually covering the viewport. Keep looping until it does. update.visible = visibleLines(cm.display, cm.doc, viewport); if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo) break; } if (!updateDisplayIfNeeded(cm, update)) break; updateHeightsInViewport(cm); var barMeasure = measureForScrollbars(cm); updateSelection(cm); updateScrollbars(cm, barMeasure); setDocumentHeight(cm, barMeasure); } update.signal(cm, "update", cm); if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) { update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo); cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo; } } function updateDisplaySimple(cm, viewport) { var update = new DisplayUpdate(cm, viewport); if (updateDisplayIfNeeded(cm, update)) { updateHeightsInViewport(cm); postUpdateDisplay(cm, update); var barMeasure = measureForScrollbars(cm); updateSelection(cm); updateScrollbars(cm, barMeasure); setDocumentHeight(cm, barMeasure); update.finish(); } } function setDocumentHeight(cm, measure) { cm.display.sizer.style.minHeight = measure.docHeight + "px"; cm.display.heightForcer.style.top = measure.docHeight + "px"; cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px"; } // Read the actual heights of the rendered lines, and update their // stored heights to match. function updateHeightsInViewport(cm) { var display = cm.display; var prevBottom = display.lineDiv.offsetTop; for (var i = 0; i < display.view.length; i++) { var cur = display.view[i], height; if (cur.hidden) continue; if (ie && ie_version < 8) { var bot = cur.node.offsetTop + cur.node.offsetHeight; height = bot - prevBottom; prevBottom = bot; } else { var box = cur.node.getBoundingClientRect(); height = box.bottom - box.top; } var diff = cur.line.height - height; if (height < 2) height = textHeight(display); if (diff > .001 || diff < -.001) { updateLineHeight(cur.line, height); updateWidgetHeight(cur.line); if (cur.rest) for (var j = 0; j < cur.rest.length; j++) updateWidgetHeight(cur.rest[j]); } } } // Read and store the height of line widgets associated with the // given line. function updateWidgetHeight(line) { if (line.widgets) for (var i = 0; i < line.widgets.length; ++i) line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; } // Do a bulk-read of the DOM positions and sizes needed to draw the // view, so that we don't interleave reading and writing to the DOM. function getDimensions(cm) { var d = cm.display, left = {}, width = {}; var gutterLeft = d.gutters.clientLeft; for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) { left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft; width[cm.options.gutters[i]] = n.clientWidth; } return {fixedPos: compensateForHScroll(d), gutterTotalWidth: d.gutters.offsetWidth, gutterLeft: left, gutterWidth: width, wrapperWidth: d.wrapper.clientWidth}; } // Sync the actual display DOM structure with display.view, removing // nodes for lines that are no longer in view, and creating the ones // that are not there yet, and updating the ones that are out of // date. function patchDisplay(cm, updateNumbersFrom, dims) { var display = cm.display, lineNumbers = cm.options.lineNumbers; var container = display.lineDiv, cur = container.firstChild; function rm(node) { var next = node.nextSibling; // Works around a throw-scroll bug in OS X Webkit if (webkit && mac && cm.display.currentWheelTarget == node) node.style.display = "none"; else node.parentNode.removeChild(node); return next; } var view = display.view, lineN = display.viewFrom; // Loop over the elements in the view, syncing cur (the DOM nodes // in display.lineDiv) with the view as we go. for (var i = 0; i < view.length; i++) { var lineView = view[i]; if (lineView.hidden) { } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet var node = buildLineElement(cm, lineView, lineN, dims); container.insertBefore(node, cur); } else { // Already drawn while (cur != lineView.node) cur = rm(cur); var updateNumber = lineNumbers && updateNumbersFrom != null && updateNumbersFrom <= lineN && lineView.lineNumber; if (lineView.changes) { if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false; updateLineForChanges(cm, lineView, lineN, dims); } if (updateNumber) { removeChildren(lineView.lineNumber); lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN))); } cur = lineView.node.nextSibling; } lineN += lineView.size; } while (cur) cur = rm(cur); } // When an aspect of a line changes, a string is added to // lineView.changes. This updates the relevant part of the line's // DOM structure. function updateLineForChanges(cm, lineView, lineN, dims) { for (var j = 0; j < lineView.changes.length; j++) { var type = lineView.changes[j]; if (type == "text") updateLineText(cm, lineView); else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims); else if (type == "class") updateLineClasses(lineView); else if (type == "widget") updateLineWidgets(cm, lineView, dims); } lineView.changes = null; } // Lines with gutter elements, widgets or a background class need to // be wrapped, and have the extra elements added to the wrapper div function ensureLineWrapped(lineView) { if (lineView.node == lineView.text) { lineView.node = elt("div", null, null, "position: relative"); if (lineView.text.parentNode) lineView.text.parentNode.replaceChild(lineView.node, lineView.text); lineView.node.appendChild(lineView.text); if (ie && ie_version < 8) lineView.node.style.zIndex = 2; } return lineView.node; } function updateLineBackground(lineView) { var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass; if (cls) cls += " CodeMirror-linebackground"; if (lineView.background) { if (cls) lineView.background.className = cls; else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; } } else if (cls) { var wrap = ensureLineWrapped(lineView); lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild); } } // Wrapper around buildLineContent which will reuse the structure // in display.externalMeasured when possible. function getLineContent(cm, lineView) { var ext = cm.display.externalMeasured; if (ext && ext.line == lineView.line) { cm.display.externalMeasured = null; lineView.measure = ext.measure; return ext.built; } return buildLineContent(cm, lineView); } // Redraw the line's text. Interacts with the background and text // classes because the mode may output tokens that influence these // classes. function updateLineText(cm, lineView) { var cls = lineView.text.className; var built = getLineContent(cm, lineView); if (lineView.text == lineView.node) lineView.node = built.pre; lineView.text.parentNode.replaceChild(built.pre, lineView.text); lineView.text = built.pre; if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) { lineView.bgClass = built.bgClass; lineView.textClass = built.textClass; updateLineClasses(lineView); } else if (cls) { lineView.text.className = cls; } } function updateLineClasses(lineView) { updateLineBackground(lineView); if (lineView.line.wrapClass) ensureLineWrapped(lineView).className = lineView.line.wrapClass; else if (lineView.node != lineView.text) lineView.node.className = ""; var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass; lineView.text.className = textClass || ""; } function updateLineGutter(cm, lineView, lineN, dims) { if (lineView.gutter) { lineView.node.removeChild(lineView.gutter); lineView.gutter = null; } if (lineView.gutterBackground) { lineView.node.removeChild(lineView.gutterBackground); lineView.gutterBackground = null; } if (lineView.line.gutterClass) { var wrap = ensureLineWrapped(lineView); lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass, "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + dims.gutterTotalWidth + "px"); wrap.insertBefore(lineView.gutterBackground, lineView.text); } var markers = lineView.line.gutterMarkers; if (cm.options.lineNumbers || markers) { var wrap = ensureLineWrapped(lineView); var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"); cm.display.input.setUneditable(gutterWrap); wrap.insertBefore(gutterWrap, lineView.text); if (lineView.line.gutterClass) gutterWrap.className += " " + lineView.line.gutterClass; if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"])) lineView.lineNumber = gutterWrap.appendChild( elt("div", lineNumberFor(cm.options, lineN), "CodeMirror-linenumber CodeMirror-gutter-elt", "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: " + cm.display.lineNumInnerWidth + "px")); if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) { var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id]; if (found) gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " + dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px")); } } } function updateLineWidgets(cm, lineView, dims) { if (lineView.alignable) lineView.alignable = null; for (var node = lineView.node.firstChild, next; node; node = next) { var next = node.nextSibling; if (node.className == "CodeMirror-linewidget") lineView.node.removeChild(node); } insertLineWidgets(cm, lineView, dims); } // Build a line's DOM representation from scratch function buildLineElement(cm, lineView, lineN, dims) { var built = getLineContent(cm, lineView); lineView.text = lineView.node = built.pre; if (built.bgClass) lineView.bgClass = built.bgClass; if (built.textClass) lineView.textClass = built.textClass; updateLineClasses(lineView); updateLineGutter(cm, lineView, lineN, dims); insertLineWidgets(cm, lineView, dims); return lineView.node; } // A lineView may contain multiple logical lines (when merged by // collapsed spans). The widgets for all of them need to be drawn. function insertLineWidgets(cm, lineView, dims) { insertLineWidgetsFor(cm, lineView.line, lineView, dims, true); if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) { if (!line.widgets) return; var wrap = ensureLineWrapped(lineView); for (var i = 0, ws = line.widgets; i < ws.length; ++i) { var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget"); if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true"); positionLineWidget(widget, node, lineView, dims); cm.display.input.setUneditable(node); if (allowAbove && widget.above) wrap.insertBefore(node, lineView.gutter || lineView.text); else wrap.appendChild(node); signalLater(widget, "redraw"); } } function positionLineWidget(widget, node, lineView, dims) { if (widget.noHScroll) { (lineView.alignable || (lineView.alignable = [])).push(node); var width = dims.wrapperWidth; node.style.left = dims.fixedPos + "px"; if (!widget.coverGutter) { width -= dims.gutterTotalWidth; node.style.paddingLeft = dims.gutterTotalWidth + "px"; } node.style.width = width + "px"; } if (widget.coverGutter) { node.style.zIndex = 5; node.style.position = "relative"; if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px"; } } // POSITION OBJECT // A Pos instance represents a position within the text. var Pos = CodeMirror.Pos = function(line, ch) { if (!(this instanceof Pos)) return new Pos(line, ch); this.line = line; this.ch = ch; }; // Compare two positions, return 0 if they are the same, a negative // number when a is less, and a positive number otherwise. var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; }; function copyPos(x) {return Pos(x.line, x.ch);} function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; } function minPos(a, b) { return cmp(a, b) < 0 ? a : b; } // INPUT HANDLING function ensureFocus(cm) { if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); } } // This will be set to a {lineWise: bool, text: [string]} object, so // that, when pasting, we know what kind of selections the copied // text was made out of. var lastCopied = null; function applyTextInput(cm, inserted, deleted, sel, origin) { var doc = cm.doc; cm.display.shift = false; if (!sel) sel = doc.sel; var paste = cm.state.pasteIncoming || origin == "paste"; var textLines = doc.splitLines(inserted), multiPaste = null // When pasing N lines into N selections, insert one line per selection if (paste && sel.ranges.length > 1) { if (lastCopied && lastCopied.text.join("\n") == inserted) { if (sel.ranges.length % lastCopied.text.length == 0) { multiPaste = []; for (var i = 0; i < lastCopied.text.length; i++) multiPaste.push(doc.splitLines(lastCopied.text[i])); } } else if (textLines.length == sel.ranges.length) { multiPaste = map(textLines, function(l) { return [l]; }); } } // Normal behavior is to insert the new text into every selection for (var i = sel.ranges.length - 1; i >= 0; i--) { var range = sel.ranges[i]; var from = range.from(), to = range.to(); if (range.empty()) { if (deleted && deleted > 0) // Handle deletion from = Pos(from.line, from.ch - deleted); else if (cm.state.overwrite && !paste) // Handle overwrite to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted) from = to = Pos(from.line, 0) } var updateInput = cm.curOp.updateInput; var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines, origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")}; makeChange(cm.doc, changeEvent); signalLater(cm, "inputRead", cm, changeEvent); } if (inserted && !paste) triggerElectric(cm, inserted); ensureCursorVisible(cm); cm.curOp.updateInput = updateInput; cm.curOp.typing = true; cm.state.pasteIncoming = cm.state.cutIncoming = false; } function handlePaste(e, cm) { var pasted = e.clipboardData && e.clipboardData.getData("text/plain"); if (pasted) { e.preventDefault(); if (!cm.isReadOnly() && !cm.options.disableInput) runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); }); return true; } } function triggerElectric(cm, inserted) { // When an 'electric' character is inserted, immediately trigger a reindent if (!cm.options.electricChars || !cm.options.smartIndent) return; var sel = cm.doc.sel; for (var i = sel.ranges.length - 1; i >= 0; i--) { var range = sel.ranges[i]; if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue; var mode = cm.getModeAt(range.head); var indented = false; if (mode.electricChars) { for (var j = 0; j < mode.electricChars.length; j++) if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) { indented = indentLine(cm, range.head.line, "smart"); break; } } else if (mode.electricInput) { if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch))) indented = indentLine(cm, range.head.line, "smart"); } if (indented) signalLater(cm, "electricInput", cm, range.head.line); } } function copyableRanges(cm) { var text = [], ranges = []; for (var i = 0; i < cm.doc.sel.ranges.length; i++) { var line = cm.doc.sel.ranges[i].head.line; var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)}; ranges.push(lineRange); text.push(cm.getRange(lineRange.anchor, lineRange.head)); } return {text: text, ranges: ranges}; } function disableBrowserMagic(field) { field.setAttribute("autocorrect", "off"); field.setAttribute("autocapitalize", "off"); field.setAttribute("spellcheck", "false"); } // TEXTAREA INPUT STYLE function TextareaInput(cm) { this.cm = cm; // See input.poll and input.reset this.prevInput = ""; // Flag that indicates whether we expect input to appear real soon // now (after some event like 'keypress' or 'input') and are // polling intensively. this.pollingFast = false; // Self-resetting timeout for the poller this.polling = new Delayed(); // Tracks when input.reset has punted to just putting a short // string into the textarea instead of the full selection. this.inaccurateSelection = false; // Used to work around IE issue with selection being forgotten when focus moves away from textarea this.hasSelection = false; this.composing = null; }; function hiddenTextarea() { var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none"); var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;"); // The textarea is kept positioned near the cursor to prevent the // fact that it'll be scrolled into view on input from scrolling // our fake cursor out of view. On webkit, when wrap=off, paste is // very slow. So make the area wide instead. if (webkit) te.style.width = "1000px"; else te.setAttribute("wrap", "off"); // If border: 0; -- iOS fails to open keyboard (issue #1287) if (ios) te.style.border = "1px solid black"; disableBrowserMagic(te); return div; } TextareaInput.prototype = copyObj({ init: function(display) { var input = this, cm = this.cm; // Wraps and hides input textarea var div = this.wrapper = hiddenTextarea(); // The semihidden textarea that is focused when the editor is // focused, and receives input. var te = this.textarea = div.firstChild; display.wrapper.insertBefore(div, display.wrapper.firstChild); // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore) if (ios) te.style.width = "0px"; on(te, "input", function() { if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null; input.poll(); }); on(te, "paste", function(e) { if (signalDOMEvent(cm, e) || handlePaste(e, cm)) return cm.state.pasteIncoming = true; input.fastPoll(); }); function prepareCopyCut(e) { if (signalDOMEvent(cm, e)) return if (cm.somethingSelected()) { lastCopied = {lineWise: false, text: cm.getSelections()}; if (input.inaccurateSelection) { input.prevInput = ""; input.inaccurateSelection = false; te.value = lastCopied.text.join("\n"); selectInput(te); } } else if (!cm.options.lineWiseCopyCut) { return; } else { var ranges = copyableRanges(cm); lastCopied = {lineWise: true, text: ranges.text}; if (e.type == "cut") { cm.setSelections(ranges.ranges, null, sel_dontScroll); } else { input.prevInput = ""; te.value = ranges.text.join("\n"); selectInput(te); } } if (e.type == "cut") cm.state.cutIncoming = true; } on(te, "cut", prepareCopyCut); on(te, "copy", prepareCopyCut); on(display.scroller, "paste", function(e) { if (eventInWidget(display, e) || signalDOMEvent(cm, e)) return; cm.state.pasteIncoming = true; input.focus(); }); // Prevent normal selection in the editor (we handle our own) on(display.lineSpace, "selectstart", function(e) { if (!eventInWidget(display, e)) e_preventDefault(e); }); on(te, "compositionstart", function() { var start = cm.getCursor("from"); if (input.composing) input.composing.range.clear() input.composing = { start: start, range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"}) }; }); on(te, "compositionend", function() { if (input.composing) { input.poll(); input.composing.range.clear(); input.composing = null; } }); }, prepareSelection: function() { // Redraw the selection and/or cursor var cm = this.cm, display = cm.display, doc = cm.doc; var result = prepareSelection(cm); // Move the hidden textarea near the cursor to prevent scrolling artifacts if (cm.options.moveInputWithCursor) { var headPos = cursorCoords(cm, doc.sel.primary().head, "div"); var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect(); result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10, headPos.top + lineOff.top - wrapOff.top)); result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10, headPos.left + lineOff.left - wrapOff.left)); } return result; }, showSelection: function(drawn) { var cm = this.cm, display = cm.display; removeChildrenAndAdd(display.cursorDiv, drawn.cursors); removeChildrenAndAdd(display.selectionDiv, drawn.selection); if (drawn.teTop != null) { this.wrapper.style.top = drawn.teTop + "px"; this.wrapper.style.left = drawn.teLeft + "px"; } }, // Reset the input to correspond to the selection (or to be empty, // when not typing and nothing is selected) reset: function(typing) { if (this.contextMenuPending) return; var minimal, selected, cm = this.cm, doc = cm.doc; if (cm.somethingSelected()) { this.prevInput = ""; var range = doc.sel.primary(); minimal = hasCopyEvent && (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000); var content = minimal ? "-" : selected || cm.getSelection(); this.textarea.value = content; if (cm.state.focused) selectInput(this.textarea); if (ie && ie_version >= 9) this.hasSelection = content; } else if (!typing) { this.prevInput = this.textarea.value = ""; if (ie && ie_version >= 9) this.hasSelection = null; } this.inaccurateSelection = minimal; }, getField: function() { return this.textarea; }, supportsTouch: function() { return false; }, focus: function() { if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) { try { this.textarea.focus(); } catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM } }, blur: function() { this.textarea.blur(); }, resetPosition: function() { this.wrapper.style.top = this.wrapper.style.left = 0; }, receivedFocus: function() { this.slowPoll(); }, // Poll for input changes, using the normal rate of polling. This // runs as long as the editor is focused. slowPoll: function() { var input = this; if (input.pollingFast) return; input.polling.set(this.cm.options.pollInterval, function() { input.poll(); if (input.cm.state.focused) input.slowPoll(); }); }, // When an event has just come in that is likely to add or change // something in the input textarea, we poll faster, to ensure that // the change appears on the screen quickly. fastPoll: function() { var missed = false, input = this; input.pollingFast = true; function p() { var changed = input.poll(); if (!changed && !missed) {missed = true; input.polling.set(60, p);} else {input.pollingFast = false; input.slowPoll();} } input.polling.set(20, p); }, // Read input from the textarea, and update the document to match. // When something is selected, it is present in the textarea, and // selected (unless it is huge, in which case a placeholder is // used). When nothing is selected, the cursor sits after previously // seen text (can be empty), which is stored in prevInput (we must // not reset the textarea when typing, because that breaks IME). poll: function() { var cm = this.cm, input = this.textarea, prevInput = this.prevInput; // Since this is called a *lot*, try to bail out as cheaply as // possible when it is clear that nothing happened. hasSelection // will be the case when there is a lot of text in the textarea, // in which case reading its value would be expensive. if (this.contextMenuPending || !cm.state.focused || (hasSelection(input) && !prevInput && !this.composing) || cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq) return false; var text = input.value; // If nothing changed, bail. if (text == prevInput && !cm.somethingSelected()) return false; // Work around nonsensical selection resetting in IE9/10, and // inexplicable appearance of private area unicode characters on // some key combos in Mac (#2689). if (ie && ie_version >= 9 && this.hasSelection === text || mac && /[\uf700-\uf7ff]/.test(text)) { cm.display.input.reset(); return false; } if (cm.doc.sel == cm.display.selForContextMenu) { var first = text.charCodeAt(0); if (first == 0x200b && !prevInput) prevInput = "\u200b"; if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); } } // Find the part of the input that is actually new var same = 0, l = Math.min(prevInput.length, text.length); while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same; var self = this; runInOp(cm, function() { applyTextInput(cm, text.slice(same), prevInput.length - same, null, self.composing ? "*compose" : null); // Don't leave long text in the textarea, since it makes further polling slow if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = ""; else self.prevInput = text; if (self.composing) { self.composing.range.clear(); self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"), {className: "CodeMirror-composing"}); } }); return true; }, ensurePolled: function() { if (this.pollingFast && this.poll()) this.pollingFast = false; }, onKeyPress: function() { if (ie && ie_version >= 9) this.hasSelection = null; this.fastPoll(); }, onContextMenu: function(e) { var input = this, cm = input.cm, display = cm.display, te = input.textarea; var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop; if (!pos || presto) return; // Opera is difficult. // Reset the current text selection only if the click is done outside of the selection // and 'resetSelectionOnContextMenu' option is true. var reset = cm.options.resetSelectionOnContextMenu; if (reset && cm.doc.sel.contains(pos) == -1) operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText; input.wrapper.style.cssText = "position: absolute" var wrapperBox = input.wrapper.getBoundingClientRect() te.style.cssText = "position: absolute; width: 30px; height: 30px; top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px; z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);"; if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712) display.input.focus(); if (webkit) window.scrollTo(null, oldScrollY); display.input.reset(); // Adds "Select all" to context menu in FF if (!cm.somethingSelected()) te.value = input.prevInput = " "; input.contextMenuPending = true; display.selForContextMenu = cm.doc.sel; clearTimeout(display.detectingSelectAll); // Select-all will be greyed out if there's nothing to select, so // this adds a zero-width space so that we can later check whether // it got selected. function prepareSelectAllHack() { if (te.selectionStart != null) { var selected = cm.somethingSelected(); var extval = "\u200b" + (selected ? te.value : ""); te.value = "\u21da"; // Used to catch context-menu undo te.value = extval; input.prevInput = selected ? "" : "\u200b"; te.selectionStart = 1; te.selectionEnd = extval.length; // Re-set this, in case some other handler touched the // selection in the meantime. display.selForContextMenu = cm.doc.sel; } } function rehide() { input.contextMenuPending = false; input.wrapper.style.cssText = oldWrapperCSS te.style.cssText = oldCSS; if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); // Try to detect the user choosing select-all if (te.selectionStart != null) { if (!ie || (ie && ie_version < 9)) prepareSelectAllHack(); var i = 0, poll = function() { if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 && te.selectionEnd > 0 && input.prevInput == "\u200b") operation(cm, commands.selectAll)(cm); else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500); else display.input.reset(); }; display.detectingSelectAll = setTimeout(poll, 200); } } if (ie && ie_version >= 9) prepareSelectAllHack(); if (captureRightClick) { e_stop(e); var mouseup = function() { off(window, "mouseup", mouseup); setTimeout(rehide, 20); }; on(window, "mouseup", mouseup); } else { setTimeout(rehide, 50); } }, readOnlyChanged: function(val) { if (!val) this.reset(); }, setUneditable: nothing, needsContentAttribute: false }, TextareaInput.prototype); // CONTENTEDITABLE INPUT STYLE function ContentEditableInput(cm) { this.cm = cm; this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null; this.polling = new Delayed(); this.gracePeriod = false; } ContentEditableInput.prototype = copyObj({ init: function(display) { var input = this, cm = input.cm; var div = input.div = display.lineDiv; disableBrowserMagic(div); on(div, "paste", function(e) { if (!signalDOMEvent(cm, e)) handlePaste(e, cm); }) on(div, "compositionstart", function(e) { var data = e.data; input.composing = {sel: cm.doc.sel, data: data, startData: data}; if (!data) return; var prim = cm.doc.sel.primary(); var line = cm.getLine(prim.head.line); var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length)); if (found > -1 && found <= prim.head.ch) input.composing.sel = simpleSelection(Pos(prim.head.line, found), Pos(prim.head.line, found + data.length)); }); on(div, "compositionupdate", function(e) { input.composing.data = e.data; }); on(div, "compositionend", function(e) { var ours = input.composing; if (!ours) return; if (e.data != ours.startData && !/\u200b/.test(e.data)) ours.data = e.data; // Need a small delay to prevent other code (input event, // selection polling) from doing damage when fired right after // compositionend. setTimeout(function() { if (!ours.handled) input.applyComposition(ours); if (input.composing == ours) input.composing = null; }, 50); }); on(div, "touchstart", function() { input.forceCompositionEnd(); }); on(div, "input", function() { if (input.composing) return; if (cm.isReadOnly() || !input.pollContent()) runInOp(input.cm, function() {regChange(cm);}); }); function onCopyCut(e) { if (signalDOMEvent(cm, e)) return if (cm.somethingSelected()) { lastCopied = {lineWise: false, text: cm.getSelections()}; if (e.type == "cut") cm.replaceSelection("", null, "cut"); } else if (!cm.options.lineWiseCopyCut) { return; } else { var ranges = copyableRanges(cm); lastCopied = {lineWise: true, text: ranges.text}; if (e.type == "cut") { cm.operation(function() { cm.setSelections(ranges.ranges, 0, sel_dontScroll); cm.replaceSelection("", null, "cut"); }); } } // iOS exposes the clipboard API, but seems to discard content inserted into it if (e.clipboardData && !ios) { e.preventDefault(); e.clipboardData.clearData(); e.clipboardData.setData("text/plain", lastCopied.text.join("\n")); } else { // Old-fashioned briefly-focus-a-textarea hack var kludge = hiddenTextarea(), te = kludge.firstChild; cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild); te.value = lastCopied.text.join("\n"); var hadFocus = document.activeElement; selectInput(te); setTimeout(function() { cm.display.lineSpace.removeChild(kludge); hadFocus.focus(); }, 50); } } on(div, "copy", onCopyCut); on(div, "cut", onCopyCut); }, prepareSelection: function() { var result = prepareSelection(this.cm, false); result.focus = this.cm.state.focused; return result; }, showSelection: function(info, takeFocus) { if (!info || !this.cm.display.view.length) return; if (info.focus || takeFocus) this.showPrimarySelection(); this.showMultipleSelections(info); }, showPrimarySelection: function() { var sel = window.getSelection(), prim = this.cm.doc.sel.primary(); var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset); var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset); if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad && cmp(minPos(curAnchor, curFocus), prim.from()) == 0 && cmp(maxPos(curAnchor, curFocus), prim.to()) == 0) return; var start = posToDOM(this.cm, prim.from()); var end = posToDOM(this.cm, prim.to()); if (!start && !end) return; var view = this.cm.display.view; var old = sel.rangeCount && sel.getRangeAt(0); if (!start) { start = {node: view[0].measure.map[2], offset: 0}; } else if (!end) { // FIXME dangerously hacky var measure = view[view.length - 1].measure; var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map; end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]}; } try { var rng = range(start.node, start.offset, end.offset, end.node); } catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible if (rng) { if (!gecko && this.cm.state.focused) { sel.collapse(start.node, start.offset); if (!rng.collapsed) sel.addRange(rng); } else { sel.removeAllRanges(); sel.addRange(rng); } if (old && sel.anchorNode == null) sel.addRange(old); else if (gecko) this.startGracePeriod(); } this.rememberSelection(); }, startGracePeriod: function() { var input = this; clearTimeout(this.gracePeriod); this.gracePeriod = setTimeout(function() { input.gracePeriod = false; if (input.selectionChanged()) input.cm.operation(function() { input.cm.curOp.selectionChanged = true; }); }, 20); }, showMultipleSelections: function(info) { removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors); removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection); }, rememberSelection: function() { var sel = window.getSelection(); this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset; this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset; }, selectionInEditor: function() { var sel = window.getSelection(); if (!sel.rangeCount) return false; var node = sel.getRangeAt(0).commonAncestorContainer; return contains(this.div, node); }, focus: function() { if (this.cm.options.readOnly != "nocursor") this.div.focus(); }, blur: function() { this.div.blur(); }, getField: function() { return this.div; }, supportsTouch: function() { return true; }, receivedFocus: function() { var input = this; if (this.selectionInEditor()) this.pollSelection(); else runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; }); function poll() { if (input.cm.state.focused) { input.pollSelection(); input.polling.set(input.cm.options.pollInterval, poll); } } this.polling.set(this.cm.options.pollInterval, poll); }, selectionChanged: function() { var sel = window.getSelection(); return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset || sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset; }, pollSelection: function() { if (!this.composing && !this.gracePeriod && this.selectionChanged()) { var sel = window.getSelection(), cm = this.cm; this.rememberSelection(); var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset); var head = domToPos(cm, sel.focusNode, sel.focusOffset); if (anchor && head) runInOp(cm, function() { setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll); if (anchor.bad || head.bad) cm.curOp.selectionChanged = true; }); } }, pollContent: function() { var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary(); var from = sel.from(), to = sel.to(); if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false; var fromIndex; if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) { var fromLine = lineNo(display.view[0].line); var fromNode = display.view[0].node; } else { var fromLine = lineNo(display.view[fromIndex].line); var fromNode = display.view[fromIndex - 1].node.nextSibling; } var toIndex = findViewIndex(cm, to.line); if (toIndex == display.view.length - 1) { var toLine = display.viewTo - 1; var toNode = display.lineDiv.lastChild; } else { var toLine = lineNo(display.view[toIndex + 1].line) - 1; var toNode = display.view[toIndex + 1].node.previousSibling; } var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine)); var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length)); while (newText.length > 1 && oldText.length > 1) { if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; } else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; } else break; } var cutFront = 0, cutEnd = 0; var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length); while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront)) ++cutFront; var newBot = lst(newText), oldBot = lst(oldText); var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0), oldBot.length - (oldText.length == 1 ? cutFront : 0)); while (cutEnd < maxCutEnd && newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) ++cutEnd; newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd); newText[0] = newText[0].slice(cutFront); var chFrom = Pos(fromLine, cutFront); var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0); if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) { replaceRange(cm.doc, newText, chFrom, chTo, "+input"); return true; } }, ensurePolled: function() { this.forceCompositionEnd(); }, reset: function() { this.forceCompositionEnd(); }, forceCompositionEnd: function() { if (!this.composing || this.composing.handled) return; this.applyComposition(this.composing); this.composing.handled = true; this.div.blur(); this.div.focus(); }, applyComposition: function(composing) { if (this.cm.isReadOnly()) operation(this.cm, regChange)(this.cm) else if (composing.data && composing.data != composing.startData) operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel); }, setUneditable: function(node) { node.contentEditable = "false" }, onKeyPress: function(e) { e.preventDefault(); if (!this.cm.isReadOnly()) operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }, readOnlyChanged: function(val) { this.div.contentEditable = String(val != "nocursor") }, onContextMenu: nothing, resetPosition: nothing, needsContentAttribute: true }, ContentEditableInput.prototype); function posToDOM(cm, pos) { var view = findViewForLine(cm, pos.line); if (!view || view.hidden) return null; var line = getLine(cm.doc, pos.line); var info = mapFromLineView(view, line, pos.line); var order = getOrder(line), side = "left"; if (order) { var partPos = getBidiPartAt(order, pos.ch); side = partPos % 2 ? "right" : "left"; } var result = nodeAndOffsetInLineMap(info.map, pos.ch, side); result.offset = result.collapse == "right" ? result.end : result.start; return result; } function badPos(pos, bad) { if (bad) pos.bad = true; return pos; } function domToPos(cm, node, offset) { var lineNode; if (node == cm.display.lineDiv) { lineNode = cm.display.lineDiv.childNodes[offset]; if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true); node = null; offset = 0; } else { for (lineNode = node;; lineNode = lineNode.parentNode) { if (!lineNode || lineNode == cm.display.lineDiv) return null; if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break; } } for (var i = 0; i < cm.display.view.length; i++) { var lineView = cm.display.view[i]; if (lineView.node == lineNode) return locateNodeInLineView(lineView, node, offset); } } function locateNodeInLineView(lineView, node, offset) { var wrapper = lineView.text.firstChild, bad = false; if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true); if (node == wrapper) { bad = true; node = wrapper.childNodes[offset]; offset = 0; if (!node) { var line = lineView.rest ? lst(lineView.rest) : lineView.line; return badPos(Pos(lineNo(line), line.text.length), bad); } } var textNode = node.nodeType == 3 ? node : null, topNode = node; if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) { textNode = node.firstChild; if (offset) offset = textNode.nodeValue.length; } while (topNode.parentNode != wrapper) topNode = topNode.parentNode; var measure = lineView.measure, maps = measure.maps; function find(textNode, topNode, offset) { for (var i = -1; i < (maps ? maps.length : 0); i++) { var map = i < 0 ? measure.map : maps[i]; for (var j = 0; j < map.length; j += 3) { var curNode = map[j + 2]; if (curNode == textNode || curNode == topNode) { var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]); var ch = map[j] + offset; if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)]; return Pos(line, ch); } } } } var found = find(textNode, topNode, offset); if (found) return badPos(found, bad); // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) { found = find(after, after.firstChild, 0); if (found) return badPos(Pos(found.line, found.ch - dist), bad); else dist += after.textContent.length; } for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) { found = find(before, before.firstChild, -1); if (found) return badPos(Pos(found.line, found.ch + dist), bad); else dist += after.textContent.length; } } function domTextBetween(cm, from, to, fromLine, toLine) { var text = "", closing = false, lineSep = cm.doc.lineSeparator(); function recognizeMarker(id) { return function(marker) { return marker.id == id; }; } function walk(node) { if (node.nodeType == 1) { var cmText = node.getAttribute("cm-text"); if (cmText != null) { if (cmText == "") cmText = node.textContent.replace(/\u200b/g, ""); text += cmText; return; } var markerID = node.getAttribute("cm-marker"), range; if (markerID) { var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID)); if (found.length && (range = found[0].find())) text += getBetween(cm.doc, range.from, range.to).join(lineSep); return; } if (node.getAttribute("contenteditable") == "false") return; for (var i = 0; i < node.childNodes.length; i++) walk(node.childNodes[i]); if (/^(pre|div|p)$/i.test(node.nodeName)) closing = true; } else if (node.nodeType == 3) { var val = node.nodeValue; if (!val) return; if (closing) { text += lineSep; closing = false; } text += val; } } for (;;) { walk(from); if (from == to) break; from = from.nextSibling; } return text; } CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput}; // SELECTION / CURSOR // Selection objects are immutable. A new one is created every time // the selection changes. A selection is one or more non-overlapping // (and non-touching) ranges, sorted, and an integer that indicates // which one is the primary selection (the one that's scrolled into // view, that getCursor returns, etc). function Selection(ranges, primIndex) { this.ranges = ranges; this.primIndex = primIndex; } Selection.prototype = { primary: function() { return this.ranges[this.primIndex]; }, equals: function(other) { if (other == this) return true; if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false; for (var i = 0; i < this.ranges.length; i++) { var here = this.ranges[i], there = other.ranges[i]; if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false; } return true; }, deepCopy: function() { for (var out = [], i = 0; i < this.ranges.length; i++) out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); return new Selection(out, this.primIndex); }, somethingSelected: function() { for (var i = 0; i < this.ranges.length; i++) if (!this.ranges[i].empty()) return true; return false; }, contains: function(pos, end) { if (!end) end = pos; for (var i = 0; i < this.ranges.length; i++) { var range = this.ranges[i]; if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0) return i; } return -1; } }; function Range(anchor, head) { this.anchor = anchor; this.head = head; } Range.prototype = { from: function() { return minPos(this.anchor, this.head); }, to: function() { return maxPos(this.anchor, this.head); }, empty: function() { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch; } }; // Take an unsorted, potentially overlapping set of ranges, and // build a selection out of it. 'Consumes' ranges array (modifying // it). function normalizeSelection(ranges, primIndex) { var prim = ranges[primIndex]; ranges.sort(function(a, b) { return cmp(a.from(), b.from()); }); primIndex = indexOf(ranges, prim); for (var i = 1; i < ranges.length; i++) { var cur = ranges[i], prev = ranges[i - 1]; if (cmp(prev.to(), cur.from()) >= 0) { var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to()); var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head; if (i <= primIndex) --primIndex; ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to)); } } return new Selection(ranges, primIndex); } function simpleSelection(anchor, head) { return new Selection([new Range(anchor, head || anchor)], 0); } // Most of the external API clips given positions to make sure they // actually exist within the document. function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));} function clipPos(doc, pos) { if (pos.line < doc.first) return Pos(doc.first, 0); var last = doc.first + doc.size - 1; if (pos.line > last) return Pos(last, getLine(doc, last).text.length); return clipToLen(pos, getLine(doc, pos.line).text.length); } function clipToLen(pos, linelen) { var ch = pos.ch; if (ch == null || ch > linelen) return Pos(pos.line, linelen); else if (ch < 0) return Pos(pos.line, 0); else return pos; } function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;} function clipPosArray(doc, array) { for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]); return out; } // SELECTION UPDATES // The 'scroll' parameter given to many of these indicated whether // the new cursor position should be scrolled into view after // modifying the selection. // If shift is held or the extend flag is set, extends a range to // include a given position (and optionally a second position). // Otherwise, simply returns the range between the given positions. // Used for cursor motion and such. function extendRange(doc, range, head, other) { if (doc.cm && doc.cm.display.shift || doc.extend) { var anchor = range.anchor; if (other) { var posBefore = cmp(head, anchor) < 0; if (posBefore != (cmp(other, anchor) < 0)) { anchor = head; head = other; } else if (posBefore != (cmp(head, other) < 0)) { head = other; } } return new Range(anchor, head); } else { return new Range(other || head, head); } } // Extend the primary selection range, discard the rest. function extendSelection(doc, head, other, options) { setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options); } // Extend all selections (pos is an array of selections with length // equal the number of selections) function extendSelections(doc, heads, options) { for (var out = [], i = 0; i < doc.sel.ranges.length; i++) out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null); var newSel = normalizeSelection(out, doc.sel.primIndex); setSelection(doc, newSel, options); } // Updates a single range in the selection. function replaceOneSelection(doc, i, range, options) { var ranges = doc.sel.ranges.slice(0); ranges[i] = range; setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options); } // Reset the selection to a single range. function setSimpleSelection(doc, anchor, head, options) { setSelection(doc, simpleSelection(anchor, head), options); } // Give beforeSelectionChange handlers a change to influence a // selection update. function filterSelectionChange(doc, sel, options) { var obj = { ranges: sel.ranges, update: function(ranges) { this.ranges = []; for (var i = 0; i < ranges.length; i++) this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor), clipPos(doc, ranges[i].head)); }, origin: options && options.origin }; signal(doc, "beforeSelectionChange", doc, obj); if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj); if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1); else return sel; } function setSelectionReplaceHistory(doc, sel, options) { var done = doc.history.done, last = lst(done); if (last && last.ranges) { done[done.length - 1] = sel; setSelectionNoUndo(doc, sel, options); } else { setSelection(doc, sel, options); } } // Set a new selection. function setSelection(doc, sel, options) { setSelectionNoUndo(doc, sel, options); addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options); } function setSelectionNoUndo(doc, sel, options) { if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange")) sel = filterSelectionChange(doc, sel, options); var bias = options && options.bias || (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1); setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true)); if (!(options && options.scroll === false) && doc.cm) ensureCursorVisible(doc.cm); } function setSelectionInner(doc, sel) { if (sel.equals(doc.sel)) return; doc.sel = sel; if (doc.cm) { doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true; signalCursorActivity(doc.cm); } signalLater(doc, "cursorActivity", doc); } // Verify that the selection does not partially select any atomic // marked ranges. function reCheckSelection(doc) { setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll); } // Return a selection that does not partially select any atomic // ranges. function skipAtomicInSelection(doc, sel, bias, mayClear) { var out; for (var i = 0; i < sel.ranges.length; i++) { var range = sel.ranges[i]; var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i]; var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear); var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear); if (out || newAnchor != range.anchor || newHead != range.head) { if (!out) out = sel.ranges.slice(0, i); out[i] = new Range(newAnchor, newHead); } } return out ? normalizeSelection(out, sel.primIndex) : sel; } function skipAtomicInner(doc, pos, oldPos, dir, mayClear) { var line = getLine(doc, pos.line); if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { var sp = line.markedSpans[i], m = sp.marker; if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) && (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) { if (mayClear) { signal(m, "beforeCursorEnter"); if (m.explicitlyCleared) { if (!line.markedSpans) break; else {--i; continue;} } } if (!m.atomic) continue; if (oldPos) { var near = m.find(dir < 0 ? 1 : -1), diff; if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft) near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0)) return skipAtomicInner(doc, near, pos, dir, mayClear); } var far = m.find(dir < 0 ? -1 : 1); if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight) far = movePos(doc, far, dir, far.line == pos.line ? line : null); return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null; } } return pos; } // Ensure a given position is not inside an atomic range. function skipAtomic(doc, pos, oldPos, bias, mayClear) { var dir = bias || 1; var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) || (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) || skipAtomicInner(doc, pos, oldPos, -dir, mayClear) || (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true)); if (!found) { doc.cantEdit = true; return Pos(doc.first, 0); } return found; } function movePos(doc, pos, dir, line) { if (dir < 0 && pos.ch == 0) { if (pos.line > doc.first) return clipPos(doc, Pos(pos.line - 1)); else return null; } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) { if (pos.line < doc.first + doc.size - 1) return Pos(pos.line + 1, 0); else return null; } else { return new Pos(pos.line, pos.ch + dir); } } // SELECTION DRAWING function updateSelection(cm) { cm.display.input.showSelection(cm.display.input.prepareSelection()); } function prepareSelection(cm, primary) { var doc = cm.doc, result = {}; var curFragment = result.cursors = document.createDocumentFragment(); var selFragment = result.selection = document.createDocumentFragment(); for (var i = 0; i < doc.sel.ranges.length; i++) { if (primary === false && i == doc.sel.primIndex) continue; var range = doc.sel.ranges[i]; if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) continue; var collapsed = range.empty(); if (collapsed || cm.options.showCursorWhenSelecting) drawSelectionCursor(cm, range.head, curFragment); if (!collapsed) drawSelectionRange(cm, range, selFragment); } return result; } // Draws a cursor for the given range function drawSelectionCursor(cm, head, output) { var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine); var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor")); cursor.style.left = pos.left + "px"; cursor.style.top = pos.top + "px"; cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px"; if (pos.other) { // Secondary cursor, shown when on a 'jump' in bi-directional text var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor")); otherCursor.style.display = ""; otherCursor.style.left = pos.other.left + "px"; otherCursor.style.top = pos.other.top + "px"; otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px"; } } // Draws the given range as a highlighted selection function drawSelectionRange(cm, range, output) { var display = cm.display, doc = cm.doc; var fragment = document.createDocumentFragment(); var padding = paddingH(cm.display), leftSide = padding.left; var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right; function add(left, top, width, bottom) { if (top < 0) top = 0; top = Math.round(top); bottom = Math.round(bottom); fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left + "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px; height: " + (bottom - top) + "px")); } function drawForLine(line, fromArg, toArg) { var lineObj = getLine(doc, line); var lineLen = lineObj.text.length; var start, end; function coords(ch, bias) { return charCoords(cm, Pos(line, ch), "div", lineObj, bias); } iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) { var leftPos = coords(from, "left"), rightPos, left, right; if (from == to) { rightPos = leftPos; left = right = leftPos.left; } else { rightPos = coords(to - 1, "right"); if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; } left = leftPos.left; right = rightPos.right; } if (fromArg == null && from == 0) left = leftSide; if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part add(left, leftPos.top, null, leftPos.bottom); left = leftSide; if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top); } if (toArg == null && to == lineLen) right = rightSide; if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left) start = leftPos; if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right) end = rightPos; if (left < leftSide + 1) left = leftSide; add(left, rightPos.top, right - left, rightPos.bottom); }); return {start: start, end: end}; } var sFrom = range.from(), sTo = range.to(); if (sFrom.line == sTo.line) { drawForLine(sFrom.line, sFrom.ch, sTo.ch); } else { var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line); var singleVLine = visualLine(fromLine) == visualLine(toLine); var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end; var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start; if (singleVLine) { if (leftEnd.top < rightStart.top - 2) { add(leftEnd.right, leftEnd.top, null, leftEnd.bottom); add(leftSide, rightStart.top, rightStart.left, rightStart.bottom); } else { add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom); } } if (leftEnd.bottom < rightStart.top) add(leftSide, leftEnd.bottom, null, rightStart.top); } output.appendChild(fragment); } // Cursor-blinking function restartBlink(cm) { if (!cm.state.focused) return; var display = cm.display; clearInterval(display.blinker); var on = true; display.cursorDiv.style.visibility = ""; if (cm.options.cursorBlinkRate > 0) display.blinker = setInterval(function() { display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; }, cm.options.cursorBlinkRate); else if (cm.options.cursorBlinkRate < 0) display.cursorDiv.style.visibility = "hidden"; } // HIGHLIGHT WORKER function startWorker(cm, time) { if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo) cm.state.highlight.set(time, bind(highlightWorker, cm)); } function highlightWorker(cm) { var doc = cm.doc; if (doc.frontier < doc.first) doc.frontier = doc.first; if (doc.frontier >= cm.display.viewTo) return; var end = +new Date + cm.options.workTime; var state = copyState(doc.mode, getStateBefore(cm, doc.frontier)); var changedLines = []; doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) { if (doc.frontier >= cm.display.viewFrom) { // Visible var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength; var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true); line.styles = highlighted.styles; var oldCls = line.styleClasses, newCls = highlighted.classes; if (newCls) line.styleClasses = newCls; else if (oldCls) line.styleClasses = null; var ischange = !oldStyles || oldStyles.length != line.styles.length || oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass); for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i]; if (ischange) changedLines.push(doc.frontier); line.stateAfter = tooLong ? state : copyState(doc.mode, state); } else { if (line.text.length <= cm.options.maxHighlightLength) processLine(cm, line.text, state); line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null; } ++doc.frontier; if (+new Date > end) { startWorker(cm, cm.options.workDelay); return true; } }); if (changedLines.length) runInOp(cm, function() { for (var i = 0; i < changedLines.length; i++) regLineChange(cm, changedLines[i], "text"); }); } // Finds the line to start with when starting a parse. Tries to // find a line with a stateAfter, so that it can start with a // valid state. If that fails, it returns the line with the // smallest indentation, which tends to need the least context to // parse correctly. function findStartLine(cm, n, precise) { var minindent, minline, doc = cm.doc; var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100); for (var search = n; search > lim; --search) { if (search <= doc.first) return doc.first; var line = getLine(doc, search - 1); if (line.stateAfter && (!precise || search <= doc.frontier)) return search; var indented = countColumn(line.text, null, cm.options.tabSize); if (minline == null || minindent > indented) { minline = search - 1; minindent = indented; } } return minline; } function getStateBefore(cm, n, precise) { var doc = cm.doc, display = cm.display; if (!doc.mode.startState) return true; var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter; if (!state) state = startState(doc.mode); else state = copyState(doc.mode, state); doc.iter(pos, n, function(line) { processLine(cm, line.text, state); var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo; line.stateAfter = save ? copyState(doc.mode, state) : null; ++pos; }); if (precise) doc.frontier = pos; return state; } // POSITION MEASUREMENT function paddingTop(display) {return display.lineSpace.offsetTop;} function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;} function paddingH(display) { if (display.cachedPaddingH) return display.cachedPaddingH; var e = removeChildrenAndAdd(display.measure, elt("pre", "x")); var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle; var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)}; if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data; return data; } function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; } function displayWidth(cm) { return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth; } function displayHeight(cm) { return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight; } // Ensure the lineView.wrapping.heights array is populated. This is // an array of bottom offsets for the lines that make up a drawn // line. When lineWrapping is on, there might be more than one // height. function ensureLineHeights(cm, lineView, rect) { var wrapping = cm.options.lineWrapping; var curWidth = wrapping && displayWidth(cm); if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) { var heights = lineView.measure.heights = []; if (wrapping) { lineView.measure.width = curWidth; var rects = lineView.text.firstChild.getClientRects(); for (var i = 0; i < rects.length - 1; i++) { var cur = rects[i], next = rects[i + 1]; if (Math.abs(cur.bottom - next.bottom) > 2) heights.push((cur.bottom + next.top) / 2 - rect.top); } } heights.push(rect.bottom - rect.top); } } // Find a line map (mapping character offsets to text nodes) and a // measurement cache for the given line number. (A line view might // contain multiple lines when collapsed ranges are present.) function mapFromLineView(lineView, line, lineN) { if (lineView.line == line) return {map: lineView.measure.map, cache: lineView.measure.cache}; for (var i = 0; i < lineView.rest.length; i++) if (lineView.rest[i] == line) return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]}; for (var i = 0; i < lineView.rest.length; i++) if (lineNo(lineView.rest[i]) > lineN) return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true}; } // Render a line into the hidden node display.externalMeasured. Used // when measurement is needed for a line that's not in the viewport. function updateExternalMeasurement(cm, line) { line = visualLine(line); var lineN = lineNo(line); var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN); view.lineN = lineN; var built = view.built = buildLineContent(cm, view); view.text = built.pre; removeChildrenAndAdd(cm.display.lineMeasure, built.pre); return view; } // Get a {top, bottom, left, right} box (in line-local coordinates) // for a given character. function measureChar(cm, line, ch, bias) { return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias); } // Find a line view that corresponds to the given line number. function findViewForLine(cm, lineN) { if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo) return cm.display.view[findViewIndex(cm, lineN)]; var ext = cm.display.externalMeasured; if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size) return ext; } // Measurement can be split in two steps, the set-up work that // applies to the whole line, and the measurement of the actual // character. Functions like coordsChar, that need to do a lot of // measurements in a row, can thus ensure that the set-up work is // only done once. function prepareMeasureForLine(cm, line) { var lineN = lineNo(line); var view = findViewForLine(cm, lineN); if (view && !view.text) { view = null; } else if (view && view.changes) { updateLineForChanges(cm, view, lineN, getDimensions(cm)); cm.curOp.forceUpdate = true; } if (!view) view = updateExternalMeasurement(cm, line); var info = mapFromLineView(view, line, lineN); return { line: line, view: view, rect: null, map: info.map, cache: info.cache, before: info.before, hasHeights: false }; } // Given a prepared measurement object, measures the position of an // actual character (or fetches it from the cache). function measureCharPrepared(cm, prepared, ch, bias, varHeight) { if (prepared.before) ch = -1; var key = ch + (bias || ""), found; if (prepared.cache.hasOwnProperty(key)) { found = prepared.cache[key]; } else { if (!prepared.rect) prepared.rect = prepared.view.text.getBoundingClientRect(); if (!prepared.hasHeights) { ensureLineHeights(cm, prepared.view, prepared.rect); prepared.hasHeights = true; } found = measureCharInner(cm, prepared, ch, bias); if (!found.bogus) prepared.cache[key] = found; } return {left: found.left, right: found.right, top: varHeight ? found.rtop : found.top, bottom: varHeight ? found.rbottom : found.bottom}; } var nullRect = {left: 0, right: 0, top: 0, bottom: 0}; function nodeAndOffsetInLineMap(map, ch, bias) { var node, start, end, collapse; // First, search the line map for the text node corresponding to, // or closest to, the target character. for (var i = 0; i < map.length; i += 3) { var mStart = map[i], mEnd = map[i + 1]; if (ch < mStart) { start = 0; end = 1; collapse = "left"; } else if (ch < mEnd) { start = ch - mStart; end = start + 1; } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) { end = mEnd - mStart; start = end - 1; if (ch >= mEnd) collapse = "right"; } if (start != null) { node = map[i + 2]; if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right")) collapse = bias; if (bias == "left" && start == 0) while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) { node = map[(i -= 3) + 2]; collapse = "left"; } if (bias == "right" && start == mEnd - mStart) while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) { node = map[(i += 3) + 2]; collapse = "right"; } break; } } return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}; } function measureCharInner(cm, prepared, ch, bias) { var place = nodeAndOffsetInLineMap(prepared.map, ch, bias); var node = place.node, start = place.start, end = place.end, collapse = place.collapse; var rect; if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates. for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start; while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end; if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) { rect = node.parentNode.getBoundingClientRect(); } else if (ie && cm.options.lineWrapping) { var rects = range(node, start, end).getClientRects(); if (rects.length) rect = rects[bias == "right" ? rects.length - 1 : 0]; else rect = nullRect; } else { rect = range(node, start, end).getBoundingClientRect() || nullRect; } if (rect.left || rect.right || start == 0) break; end = start; start = start - 1; collapse = "right"; } if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect); } else { // If it is a widget, simply get the box for the whole widget. if (start > 0) collapse = bias = "right"; var rects; if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1) rect = rects[bias == "right" ? rects.length - 1 : 0]; else rect = node.getBoundingClientRect(); } if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) { var rSpan = node.parentNode.getClientRects()[0]; if (rSpan) rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; else rect = nullRect; } var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top; var mid = (rtop + rbot) / 2; var heights = prepared.view.measure.heights; for (var i = 0; i < heights.length - 1; i++) if (mid < heights[i]) break; var top = i ? heights[i - 1] : 0, bot = heights[i]; var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left, right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left, top: top, bottom: bot}; if (!rect.left && !rect.right) result.bogus = true; if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; } return result; } // Work around problem with bounding client rects on ranges being // returned incorrectly when zoomed on IE10 and below. function maybeUpdateRectForZooming(measure, rect) { if (!window.screen || screen.logicalXDPI == null || screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure)) return rect; var scaleX = screen.logicalXDPI / screen.deviceXDPI; var scaleY = screen.logicalYDPI / screen.deviceYDPI; return {left: rect.left * scaleX, right: rect.right * scaleX, top: rect.top * scaleY, bottom: rect.bottom * scaleY}; } function clearLineMeasurementCacheFor(lineView) { if (lineView.measure) { lineView.measure.cache = {}; lineView.measure.heights = null; if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++) lineView.measure.caches[i] = {}; } } function clearLineMeasurementCache(cm) { cm.display.externalMeasure = null; removeChildren(cm.display.lineMeasure); for (var i = 0; i < cm.display.view.length; i++) clearLineMeasurementCacheFor(cm.display.view[i]); } function clearCaches(cm) { clearLineMeasurementCache(cm); cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null; if (!cm.options.lineWrapping) cm.display.maxLineChanged = true; cm.display.lineNumChars = null; } function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; } function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; } // Converts a {top, bottom, left, right} box from line-local // coordinates into another coordinate system. Context may be one of // "line", "div" (display.lineDiv), "local"/null (editor), "window", // or "page". function intoCoordSystem(cm, lineObj, rect, context) { if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) { var size = widgetHeight(lineObj.widgets[i]); rect.top += size; rect.bottom += size; } if (context == "line") return rect; if (!context) context = "local"; var yOff = heightAtLine(lineObj); if (context == "local") yOff += paddingTop(cm.display); else yOff -= cm.display.viewOffset; if (context == "page" || context == "window") { var lOff = cm.display.lineSpace.getBoundingClientRect(); yOff += lOff.top + (context == "window" ? 0 : pageScrollY()); var xOff = lOff.left + (context == "window" ? 0 : pageScrollX()); rect.left += xOff; rect.right += xOff; } rect.top += yOff; rect.bottom += yOff; return rect; } // Coverts a box from "div" coords to another coordinate system. // Context may be "window", "page", "div", or "local"/null. function fromCoordSystem(cm, coords, context) { if (context == "div") return coords; var left = coords.left, top = coords.top; // First move into "page" coordinate system if (context == "page") { left -= pageScrollX(); top -= pageScrollY(); } else if (context == "local" || !context) { var localBox = cm.display.sizer.getBoundingClientRect(); left += localBox.left; top += localBox.top; } var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect(); return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}; } function charCoords(cm, pos, context, lineObj, bias) { if (!lineObj) lineObj = getLine(cm.doc, pos.line); return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context); } // Returns a box for a given cursor position, which may have an // 'other' property containing the position of the secondary cursor // on a bidi boundary. function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) { lineObj = lineObj || getLine(cm.doc, pos.line); if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj); function get(ch, right) { var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight); if (right) m.left = m.right; else m.right = m.left; return intoCoordSystem(cm, lineObj, m, context); } function getBidi(ch, partPos) { var part = order[partPos], right = part.level % 2; if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) { part = order[--partPos]; ch = bidiRight(part) - (part.level % 2 ? 0 : 1); right = true; } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) { part = order[++partPos]; ch = bidiLeft(part) - part.level % 2; right = false; } if (right && ch == part.to && ch > part.from) return get(ch - 1); return get(ch, right); } var order = getOrder(lineObj), ch = pos.ch; if (!order) return get(ch); var partPos = getBidiPartAt(order, ch); var val = getBidi(ch, partPos); if (bidiOther != null) val.other = getBidi(ch, bidiOther); return val; } // Used to cheaply estimate the coordinates for a position. Used for // intermediate scroll updates. function estimateCoords(cm, pos) { var left = 0, pos = clipPos(cm.doc, pos); if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch; var lineObj = getLine(cm.doc, pos.line); var top = heightAtLine(lineObj) + paddingTop(cm.display); return {left: left, right: left, top: top, bottom: top + lineObj.height}; } // Positions returned by coordsChar contain some extra information. // xRel is the relative x position of the input coordinates compared // to the found position (so xRel > 0 means the coordinates are to // the right of the character position, for example). When outside // is true, that means the coordinates lie outside the line's // vertical range. function PosWithInfo(line, ch, outside, xRel) { var pos = Pos(line, ch); pos.xRel = xRel; if (outside) pos.outside = true; return pos; } // Compute the character position closest to the given coordinates. // Input must be lineSpace-local ("div" coordinate system). function coordsChar(cm, x, y) { var doc = cm.doc; y += cm.display.viewOffset; if (y < 0) return PosWithInfo(doc.first, 0, true, -1); var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1; if (lineN > last) return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1); if (x < 0) x = 0; var lineObj = getLine(doc, lineN); for (;;) { var found = coordsCharInner(cm, lineObj, lineN, x, y); var merged = collapsedSpanAtEnd(lineObj); var mergedPos = merged && merged.find(0, true); if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0)) lineN = lineNo(lineObj = mergedPos.to.line); else return found; } } function coordsCharInner(cm, lineObj, lineNo, x, y) { var innerOff = y - heightAtLine(lineObj); var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth; var preparedMeasure = prepareMeasureForLine(cm, lineObj); function getX(ch) { var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure); wrongLine = true; if (innerOff > sp.bottom) return sp.left - adjust; else if (innerOff < sp.top) return sp.left + adjust; else wrongLine = false; return sp.left; } var bidi = getOrder(lineObj), dist = lineObj.text.length; var from = lineLeft(lineObj), to = lineRight(lineObj); var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine; if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1); // Do a binary search between these bounds. for (;;) { if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) { var ch = x < fromX || x - fromX <= toX - x ? from : to; var xDiff = x - (ch == from ? fromX : toX); while (isExtendingChar(lineObj.text.charAt(ch))) ++ch; var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside, xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0); return pos; } var step = Math.ceil(dist / 2), middle = from + step; if (bidi) { middle = from; for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1); } var middleX = getX(middle); if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;} else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;} } } var measureText; // Compute the default text height. function textHeight(display) { if (display.cachedTextHeight != null) return display.cachedTextHeight; if (measureText == null) { measureText = elt("pre"); // Measure a bunch of lines, for browsers that compute // fractional heights. for (var i = 0; i < 49; ++i) { measureText.appendChild(document.createTextNode("x")); measureText.appendChild(elt("br")); } measureText.appendChild(document.createTextNode("x")); } removeChildrenAndAdd(display.measure, measureText); var height = measureText.offsetHeight / 50; if (height > 3) display.cachedTextHeight = height; removeChildren(display.measure); return height || 1; } // Compute the default character width. function charWidth(display) { if (display.cachedCharWidth != null) return display.cachedCharWidth; var anchor = elt("span", "xxxxxxxxxx"); var pre = elt("pre", [anchor]); removeChildrenAndAdd(display.measure, pre); var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10; if (width > 2) display.cachedCharWidth = width; return width || 10; } // OPERATIONS // Operations are used to wrap a series of changes to the editor // state in such a way that each change won't have to update the // cursor and display (which would be awkward, slow, and // error-prone). Instead, display updates are batched and then all // combined and executed at once. var operationGroup = null; var nextOpId = 0; // Start a new operation. function startOperation(cm) { cm.curOp = { cm: cm, viewChanged: false, // Flag that indicates that lines might need to be redrawn startHeight: cm.doc.height, // Used to detect need to update scrollbar forceUpdate: false, // Used to force a redraw updateInput: null, // Whether to reset the input textarea typing: false, // Whether this reset should be careful to leave existing text (for compositing) changeObjs: null, // Accumulated changes, for firing change events cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already selectionChanged: false, // Whether the selection needs to be redrawn updateMaxLine: false, // Set when the widest line needs to be determined anew scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet scrollToPos: null, // Used to scroll to a specific position focus: false, id: ++nextOpId // Unique ID }; if (operationGroup) { operationGroup.ops.push(cm.curOp); } else { cm.curOp.ownsGroup = operationGroup = { ops: [cm.curOp], delayedCallbacks: [] }; } } function fireCallbacksForOps(group) { // Calls delayed callbacks and cursorActivity handlers until no // new ones appear var callbacks = group.delayedCallbacks, i = 0; do { for (; i < callbacks.length; i++) callbacks[i].call(null); for (var j = 0; j < group.ops.length; j++) { var op = group.ops[j]; if (op.cursorActivityHandlers) while (op.cursorActivityCalled < op.cursorActivityHandlers.length) op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } } while (i < callbacks.length); } // Finish an operation, updating the display and signalling delayed events function endOperation(cm) { var op = cm.curOp, group = op.ownsGroup; if (!group) return; try { fireCallbacksForOps(group); } finally { operationGroup = null; for (var i = 0; i < group.ops.length; i++) group.ops[i].cm.curOp = null; endOperations(group); } } // The DOM updates done when an operation finishes are batched so // that the minimum number of relayouts are required. function endOperations(group) { var ops = group.ops; for (var i = 0; i < ops.length; i++) // Read DOM endOperation_R1(ops[i]); for (var i = 0; i < ops.length; i++) // Write DOM (maybe) endOperation_W1(ops[i]); for (var i = 0; i < ops.length; i++) // Read DOM endOperation_R2(ops[i]); for (var i = 0; i < ops.length; i++) // Write DOM (maybe) endOperation_W2(ops[i]); for (var i = 0; i < ops.length; i++) // Read DOM endOperation_finish(ops[i]); } function endOperation_R1(op) { var cm = op.cm, display = cm.display; maybeClipScrollbars(cm); if (op.updateMaxLine) findMaxLine(cm); op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null || op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom || op.scrollToPos.to.line >= display.viewTo) || display.maxLineChanged && cm.options.lineWrapping; op.update = op.mustUpdate && new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate); } function endOperation_W1(op) { op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update); } function endOperation_R2(op) { var cm = op.cm, display = cm.display; if (op.updatedDisplay) updateHeightsInViewport(cm); op.barMeasure = measureForScrollbars(cm); // If the max line changed since it was last measured, measure it, // and ensure the document's width matches it. // updateDisplay_W2 will use these properties to do the actual resizing if (display.maxLineChanged && !cm.options.lineWrapping) { op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3; cm.display.sizerWidth = op.adjustWidthTo; op.barMeasure.scrollWidth = Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth); op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm)); } if (op.updatedDisplay || op.selectionChanged) op.preparedSelection = display.input.prepareSelection(op.focus); } function endOperation_W2(op) { var cm = op.cm; if (op.adjustWidthTo != null) { cm.display.sizer.style.minWidth = op.adjustWidthTo + "px"; if (op.maxScrollLeft < cm.doc.scrollLeft) setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); cm.display.maxLineChanged = false; } var takeFocus = op.focus && op.focus == activeElt() && (!document.hasFocus || document.hasFocus()) if (op.preparedSelection) cm.display.input.showSelection(op.preparedSelection, takeFocus); if (op.updatedDisplay || op.startHeight != cm.doc.height) updateScrollbars(cm, op.barMeasure); if (op.updatedDisplay) setDocumentHeight(cm, op.barMeasure); if (op.selectionChanged) restartBlink(cm); if (cm.state.focused && op.updateInput) cm.display.input.reset(op.typing); if (takeFocus) ensureFocus(op.cm); } function endOperation_finish(op) { var cm = op.cm, display = cm.display, doc = cm.doc; if (op.updatedDisplay) postUpdateDisplay(cm, op.update); // Abort mouse wheel delta measurement, when scrolling explicitly if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos)) display.wheelStartX = display.wheelStartY = null; // Propagate the scroll position to the actual DOM scroller if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) { doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop)); display.scrollbars.setScrollTop(doc.scrollTop); display.scroller.scrollTop = doc.scrollTop; } if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) { doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - display.scroller.clientWidth, op.scrollLeft)); display.scrollbars.setScrollLeft(doc.scrollLeft); display.scroller.scrollLeft = doc.scrollLeft; alignHorizontally(cm); } // If we need to scroll a specific position into view, do so. if (op.scrollToPos) { var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from), clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin); if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords); } // Fire events for markers that are hidden/unidden by editing or // undoing var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers; if (hidden) for (var i = 0; i < hidden.length; ++i) if (!hidden[i].lines.length) signal(hidden[i], "hide"); if (unhidden) for (var i = 0; i < unhidden.length; ++i) if (unhidden[i].lines.length) signal(unhidden[i], "unhide"); if (display.wrapper.offsetHeight) doc.scrollTop = cm.display.scroller.scrollTop; // Fire change events, and delayed event handlers if (op.changeObjs) signal(cm, "changes", cm, op.changeObjs); if (op.update) op.update.finish(); } // Run the given function in an operation function runInOp(cm, f) { if (cm.curOp) return f(); startOperation(cm); try { return f(); } finally { endOperation(cm); } } // Wraps a function in an operation. Returns the wrapped function. function operation(cm, f) { return function() { if (cm.curOp) return f.apply(cm, arguments); startOperation(cm); try { return f.apply(cm, arguments); } finally { endOperation(cm); } }; } // Used to add methods to editor and doc instances, wrapping them in // operations. function methodOp(f) { return function() { if (this.curOp) return f.apply(this, arguments); startOperation(this); try { return f.apply(this, arguments); } finally { endOperation(this); } }; } function docMethodOp(f) { return function() { var cm = this.cm; if (!cm || cm.curOp) return f.apply(this, arguments); startOperation(cm); try { return f.apply(this, arguments); } finally { endOperation(cm); } }; } // VIEW TRACKING // These objects are used to represent the visible (currently drawn) // part of the document. A LineView may correspond to multiple // logical lines, if those are connected by collapsed ranges. function LineView(doc, line, lineN) { // The starting line this.line = line; // Continuing lines, if any this.rest = visualLineContinued(line); // Number of logical lines in this visual line this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1; this.node = this.text = null; this.hidden = lineIsHidden(doc, line); } // Create a range of LineView objects for the given lines. function buildViewArray(cm, from, to) { var array = [], nextPos; for (var pos = from; pos < to; pos = nextPos) { var view = new LineView(cm.doc, getLine(cm.doc, pos), pos); nextPos = pos + view.size; array.push(view); } return array; } // Updates the display.view data structure for a given change to the // document. From and to are in pre-change coordinates. Lendiff is // the amount of lines added or subtracted by the change. This is // used for changes that span multiple lines, or change the way // lines are divided into visual lines. regLineChange (below) // registers single-line changes. function regChange(cm, from, to, lendiff) { if (from == null) from = cm.doc.first; if (to == null) to = cm.doc.first + cm.doc.size; if (!lendiff) lendiff = 0; var display = cm.display; if (lendiff && to < display.viewTo && (display.updateLineNumbers == null || display.updateLineNumbers > from)) display.updateLineNumbers = from; cm.curOp.viewChanged = true; if (from >= display.viewTo) { // Change after if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo) resetView(cm); } else if (to <= display.viewFrom) { // Change before if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) { resetView(cm); } else { display.viewFrom += lendiff; display.viewTo += lendiff; } } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap resetView(cm); } else if (from <= display.viewFrom) { // Top overlap var cut = viewCuttingPoint(cm, to, to + lendiff, 1); if (cut) { display.view = display.view.slice(cut.index); display.viewFrom = cut.lineN; display.viewTo += lendiff; } else { resetView(cm); } } else if (to >= display.viewTo) { // Bottom overlap var cut = viewCuttingPoint(cm, from, from, -1); if (cut) { display.view = display.view.slice(0, cut.index); display.viewTo = cut.lineN; } else { resetView(cm); } } else { // Gap in the middle var cutTop = viewCuttingPoint(cm, from, from, -1); var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1); if (cutTop && cutBot) { display.view = display.view.slice(0, cutTop.index) .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN)) .concat(display.view.slice(cutBot.index)); display.viewTo += lendiff; } else { resetView(cm); } } var ext = display.externalMeasured; if (ext) { if (to < ext.lineN) ext.lineN += lendiff; else if (from < ext.lineN + ext.size) display.externalMeasured = null; } } // Register a change to a single line. Type must be one of "text", // "gutter", "class", "widget" function regLineChange(cm, line, type) { cm.curOp.viewChanged = true; var display = cm.display, ext = cm.display.externalMeasured; if (ext && line >= ext.lineN && line < ext.lineN + ext.size) display.externalMeasured = null; if (line < display.viewFrom || line >= display.viewTo) return; var lineView = display.view[findViewIndex(cm, line)]; if (lineView.node == null) return; var arr = lineView.changes || (lineView.changes = []); if (indexOf(arr, type) == -1) arr.push(type); } // Clear the view. function resetView(cm) { cm.display.viewFrom = cm.display.viewTo = cm.doc.first; cm.display.view = []; cm.display.viewOffset = 0; } // Find the view element corresponding to a given line. Return null // when the line isn't visible. function findViewIndex(cm, n) { if (n >= cm.display.viewTo) return null; n -= cm.display.viewFrom; if (n < 0) return null; var view = cm.display.view; for (var i = 0; i < view.length; i++) { n -= view[i].size; if (n < 0) return i; } } function viewCuttingPoint(cm, oldN, newN, dir) { var index = findViewIndex(cm, oldN), diff, view = cm.display.view; if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size) return {index: index, lineN: newN}; for (var i = 0, n = cm.display.viewFrom; i < index; i++) n += view[i].size; if (n != oldN) { if (dir > 0) { if (index == view.length - 1) return null; diff = (n + view[index].size) - oldN; index++; } else { diff = n - oldN; } oldN += diff; newN += diff; } while (visualLineNo(cm.doc, newN) != newN) { if (index == (dir < 0 ? 0 : view.length - 1)) return null; newN += dir * view[index - (dir < 0 ? 1 : 0)].size; index += dir; } return {index: index, lineN: newN}; } // Force the view to cover a given range, adding empty view element // or clipping off existing ones as needed. function adjustView(cm, from, to) { var display = cm.display, view = display.view; if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) { display.view = buildViewArray(cm, from, to); display.viewFrom = from; } else { if (display.viewFrom > from) display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); else if (display.viewFrom < from) display.view = display.view.slice(findViewIndex(cm, from)); display.viewFrom = from; if (display.viewTo < to) display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); else if (display.viewTo > to) display.view = display.view.slice(0, findViewIndex(cm, to)); } display.viewTo = to; } // Count the number of lines in the view whose DOM representation is // out of date (or nonexistent). function countDirtyView(cm) { var view = cm.display.view, dirty = 0; for (var i = 0; i < view.length; i++) { var lineView = view[i]; if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty; } return dirty; } // EVENT HANDLERS // Attach the necessary event handlers when initializing the editor function registerEventHandlers(cm) { var d = cm.display; on(d.scroller, "mousedown", operation(cm, onMouseDown)); // Older IE's will not fire a second mousedown for a double click if (ie && ie_version < 11) on(d.scroller, "dblclick", operation(cm, function(e) { if (signalDOMEvent(cm, e)) return; var pos = posFromMouse(cm, e); if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return; e_preventDefault(e); var word = cm.findWordAt(pos); extendSelection(cm.doc, word.anchor, word.head); })); else on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); }); // Some browsers fire contextmenu *after* opening the menu, at // which point we can't mess with it anymore. Context menu is // handled in onMouseDown for these browsers. if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);}); // Used to suppress mouse event handling when a touch happens var touchFinished, prevTouch = {end: 0}; function finishTouch() { if (d.activeTouch) { touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000); prevTouch = d.activeTouch; prevTouch.end = +new Date; } }; function isMouseLikeTouchEvent(e) { if (e.touches.length != 1) return false; var touch = e.touches[0]; return touch.radiusX <= 1 && touch.radiusY <= 1; } function farAway(touch, other) { if (other.left == null) return true; var dx = other.left - touch.left, dy = other.top - touch.top; return dx * dx + dy * dy > 20 * 20; } on(d.scroller, "touchstart", function(e) { if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e)) { clearTimeout(touchFinished); var now = +new Date; d.activeTouch = {start: now, moved: false, prev: now - prevTouch.end <= 300 ? prevTouch : null}; if (e.touches.length == 1) { d.activeTouch.left = e.touches[0].pageX; d.activeTouch.top = e.touches[0].pageY; } } }); on(d.scroller, "touchmove", function() { if (d.activeTouch) d.activeTouch.moved = true; }); on(d.scroller, "touchend", function(e) { var touch = d.activeTouch; if (touch && !eventInWidget(d, e) && touch.left != null && !touch.moved && new Date - touch.start < 300) { var pos = cm.coordsChar(d.activeTouch, "page"), range; if (!touch.prev || farAway(touch, touch.prev)) // Single tap range = new Range(pos, pos); else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap range = cm.findWordAt(pos); else // Triple tap range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); cm.setSelection(range.anchor, range.head); cm.focus(); e_preventDefault(e); } finishTouch(); }); on(d.scroller, "touchcancel", finishTouch); // Sync scrolling between fake scrollbars and real scrollable // area, ensure viewport is updated when scrolling. on(d.scroller, "scroll", function() { if (d.scroller.clientHeight) { setScrollTop(cm, d.scroller.scrollTop); setScrollLeft(cm, d.scroller.scrollLeft, true); signal(cm, "scroll", cm); } }); // Listen to wheel events in order to try and update the viewport on time. on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);}); on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);}); // Prevent wrapper from ever scrolling on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; }); d.dragFunctions = { enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);}, over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }}, start: function(e){onDragStart(cm, e);}, drop: operation(cm, onDrop), leave: function(e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }} }; var inp = d.input.getField(); on(inp, "keyup", function(e) { onKeyUp.call(cm, e); }); on(inp, "keydown", operation(cm, onKeyDown)); on(inp, "keypress", operation(cm, onKeyPress)); on(inp, "focus", bind(onFocus, cm)); on(inp, "blur", bind(onBlur, cm)); } function dragDropChanged(cm, value, old) { var wasOn = old && old != CodeMirror.Init; if (!value != !wasOn) { var funcs = cm.display.dragFunctions; var toggle = value ? on : off; toggle(cm.display.scroller, "dragstart", funcs.start); toggle(cm.display.scroller, "dragenter", funcs.enter); toggle(cm.display.scroller, "dragover", funcs.over); toggle(cm.display.scroller, "dragleave", funcs.leave); toggle(cm.display.scroller, "drop", funcs.drop); } } // Called when the window resizes function onResize(cm) { var d = cm.display; if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth) return; // Might be a text scaling operation, clear size caches. d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null; d.scrollbarsClipped = false; cm.setSize(); } // MOUSE EVENTS // Return true when the given mouse event happened in a widget function eventInWidget(display, e) { for (var n = e_target(e); n != display.wrapper; n = n.parentNode) { if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") || (n.parentNode == display.sizer && n != display.mover)) return true; } } // Given a mouse event, find the corresponding position. If liberal // is false, it checks whether a gutter or scrollbar was clicked, // and returns null if it was. forRect is used by rectangular // selections, and tries to estimate a character position even for // coordinates beyond the right of the text. function posFromMouse(cm, e, liberal, forRect) { var display = cm.display; if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null; var x, y, space = display.lineSpace.getBoundingClientRect(); // Fails unpredictably on IE[67] when mouse is dragged around quickly. try { x = e.clientX - space.left; y = e.clientY - space.top; } catch (e) { return null; } var coords = coordsChar(cm, x, y), line; if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) { var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length; coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff)); } return coords; } // A mouse down can be a single click, double click, triple click, // start of selection drag, start of text drag, new cursor // (ctrl-click), rectangle drag (alt-drag), or xwin // middle-click-paste. Or it might be a click on something we should // not interfere with, such as a scrollbar or widget. function onMouseDown(e) { var cm = this, display = cm.display; if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) return; display.shift = e.shiftKey; if (eventInWidget(display, e)) { if (!webkit) { // Briefly turn off draggability, to allow widgets to do // normal dragging things. display.scroller.draggable = false; setTimeout(function(){display.scroller.draggable = true;}, 100); } return; } if (clickInGutter(cm, e)) return; var start = posFromMouse(cm, e); window.focus(); switch (e_button(e)) { case 1: // #3261: make sure, that we're not starting a second selection if (cm.state.selectingText) cm.state.selectingText(e); else if (start) leftButtonDown(cm, e, start); else if (e_target(e) == display.scroller) e_preventDefault(e); break; case 2: if (webkit) cm.state.lastMiddleDown = +new Date; if (start) extendSelection(cm.doc, start); setTimeout(function() {display.input.focus();}, 20); e_preventDefault(e); break; case 3: if (captureRightClick) onContextMenu(cm, e); else delayBlurEvent(cm); break; } } var lastClick, lastDoubleClick; function leftButtonDown(cm, e, start) { if (ie) setTimeout(bind(ensureFocus, cm), 0); else cm.curOp.focus = activeElt(); var now = +new Date, type; if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) { type = "triple"; } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) { type = "double"; lastDoubleClick = {time: now, pos: start}; } else { type = "single"; lastClick = {time: now, pos: start}; } var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained; if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() && type == "single" && (contained = sel.contains(start)) > -1 && (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) && (cmp(contained.to(), start) > 0 || start.xRel < 0)) leftButtonStartDrag(cm, e, start, modifier); else leftButtonSelect(cm, e, start, type, modifier); } // Start a text drag. When it ends, see if any dragging actually // happen, and treat as a click if it didn't. function leftButtonStartDrag(cm, e, start, modifier) { var display = cm.display, startTime = +new Date; var dragEnd = operation(cm, function(e2) { if (webkit) display.scroller.draggable = false; cm.state.draggingText = false; off(document, "mouseup", dragEnd); off(display.scroller, "drop", dragEnd); if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) { e_preventDefault(e2); if (!modifier && +new Date - 200 < startTime) extendSelection(cm.doc, start); // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081) if (webkit || ie && ie_version == 9) setTimeout(function() {document.body.focus(); display.input.focus();}, 20); else display.input.focus(); } }); // Let the drag handler handle this. if (webkit) display.scroller.draggable = true; cm.state.draggingText = dragEnd; // IE's approach to draggable if (display.scroller.dragDrop) display.scroller.dragDrop(); on(document, "mouseup", dragEnd); on(display.scroller, "drop", dragEnd); } // Normal selection, as opposed to text dragging. function leftButtonSelect(cm, e, start, type, addNew) { var display = cm.display, doc = cm.doc; e_preventDefault(e); var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; if (addNew && !e.shiftKey) { ourIndex = doc.sel.contains(start); if (ourIndex > -1) ourRange = ranges[ourIndex]; else ourRange = new Range(start, start); } else { ourRange = doc.sel.primary(); ourIndex = doc.sel.primIndex; } if (chromeOS ? e.shiftKey && e.metaKey : e.altKey) { type = "rect"; if (!addNew) ourRange = new Range(start, start); start = posFromMouse(cm, e, true, true); ourIndex = -1; } else if (type == "double") { var word = cm.findWordAt(start); if (cm.display.shift || doc.extend) ourRange = extendRange(doc, ourRange, word.anchor, word.head); else ourRange = word; } else if (type == "triple") { var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0))); if (cm.display.shift || doc.extend) ourRange = extendRange(doc, ourRange, line.anchor, line.head); else ourRange = line; } else { ourRange = extendRange(doc, ourRange, start); } if (!addNew) { ourIndex = 0; setSelection(doc, new Selection([ourRange], 0), sel_mouse); startSel = doc.sel; } else if (ourIndex == -1) { ourIndex = ranges.length; setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex), {scroll: false, origin: "*mouse"}); } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) { setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), {scroll: false, origin: "*mouse"}); startSel = doc.sel; } else { replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); } var lastPos = start; function extendTo(pos) { if (cmp(lastPos, pos) == 0) return; lastPos = pos; if (type == "rect") { var ranges = [], tabSize = cm.options.tabSize; var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); line <= end; line++) { var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); if (left == right) ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); else if (text.length > leftPos) ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); } if (!ranges.length) ranges.push(new Range(start, start)); setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex), {origin: "*mouse", scroll: false}); cm.scrollIntoView(pos); } else { var oldRange = ourRange; var anchor = oldRange.anchor, head = pos; if (type != "single") { if (type == "double") var range = cm.findWordAt(pos); else var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0))); if (cmp(range.anchor, anchor) > 0) { head = range.head; anchor = minPos(oldRange.from(), range.anchor); } else { head = range.anchor; anchor = maxPos(oldRange.to(), range.head); } } var ranges = startSel.ranges.slice(0); ranges[ourIndex] = new Range(clipPos(doc, anchor), head); setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse); } } var editorSize = display.wrapper.getBoundingClientRect(); // Used to ensure timeout re-tries don't fire when another extend // happened in the meantime (clearTimeout isn't reliable -- at // least on Chrome, the timeouts still happen even when cleared, // if the clear happens after their scheduled firing time). var counter = 0; function extend(e) { var curCount = ++counter; var cur = posFromMouse(cm, e, true, type == "rect"); if (!cur) return; if (cmp(cur, lastPos) != 0) { cm.curOp.focus = activeElt(); extendTo(cur); var visible = visibleLines(display, doc); if (cur.line >= visible.to || cur.line < visible.from) setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150); } else { var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0; if (outside) setTimeout(operation(cm, function() { if (counter != curCount) return; display.scroller.scrollTop += outside; extend(e); }), 50); } } function done(e) { cm.state.selectingText = false; counter = Infinity; e_preventDefault(e); display.input.focus(); off(document, "mousemove", move); off(document, "mouseup", up); doc.history.lastSelOrigin = null; } var move = operation(cm, function(e) { if (!e_button(e)) done(e); else extend(e); }); var up = operation(cm, done); cm.state.selectingText = up; on(document, "mousemove", move); on(document, "mouseup", up); } // Determines whether an event happened in the gutter, and fires the // handlers for the corresponding event. function gutterEvent(cm, e, type, prevent) { try { var mX = e.clientX, mY = e.clientY; } catch(e) { return false; } if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false; if (prevent) e_preventDefault(e); var display = cm.display; var lineBox = display.lineDiv.getBoundingClientRect(); if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e); mY -= lineBox.top - display.viewOffset; for (var i = 0; i < cm.options.gutters.length; ++i) { var g = display.gutters.childNodes[i]; if (g && g.getBoundingClientRect().right >= mX) { var line = lineAtHeight(cm.doc, mY); var gutter = cm.options.gutters[i]; signal(cm, type, cm, line, gutter, e); return e_defaultPrevented(e); } } } function clickInGutter(cm, e) { return gutterEvent(cm, e, "gutterClick", true); } // Kludge to work around strange IE behavior where it'll sometimes // re-fire a series of drag-related events right after the drop (#1551) var lastDrop = 0; function onDrop(e) { var cm = this; clearDragCursor(cm); if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; e_preventDefault(e); if (ie) lastDrop = +new Date; var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files; if (!pos || cm.isReadOnly()) return; // Might be a file drop, in which case we simply extract the text // and insert it. if (files && files.length && window.FileReader && window.File) { var n = files.length, text = Array(n), read = 0; var loadFile = function(file, i) { if (cm.options.allowDropFileTypes && indexOf(cm.options.allowDropFileTypes, file.type) == -1) return; var reader = new FileReader; reader.onload = operation(cm, function() { var content = reader.result; if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = ""; text[i] = content; if (++read == n) { pos = clipPos(cm.doc, pos); var change = {from: pos, to: pos, text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())), origin: "paste"}; makeChange(cm.doc, change); setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change))); } }); reader.readAsText(file); }; for (var i = 0; i < n; ++i) loadFile(files[i], i); } else { // Normal drop // Don't do a replace if the drop happened inside of the selected text. if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) { cm.state.draggingText(e); // Ensure the editor is re-focused setTimeout(function() {cm.display.input.focus();}, 20); return; } try { var text = e.dataTransfer.getData("Text"); if (text) { if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey)) var selected = cm.listSelections(); setSelectionNoUndo(cm.doc, simpleSelection(pos, pos)); if (selected) for (var i = 0; i < selected.length; ++i) replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag"); cm.replaceSelection(text, "around", "paste"); cm.display.input.focus(); } } catch(e){} } } function onDragStart(cm, e) { if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; } if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return; e.dataTransfer.setData("Text", cm.getSelection()); e.dataTransfer.effectAllowed = "copyMove" // Use dummy image instead of default browsers image. // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there. if (e.dataTransfer.setDragImage && !safari) { var img = elt("img", null, null, "position: fixed; left: 0; top: 0;"); img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="; if (presto) { img.width = img.height = 1; cm.display.wrapper.appendChild(img); // Force a relayout, or Opera won't use our image for some obscure reason img._top = img.offsetTop; } e.dataTransfer.setDragImage(img, 0, 0); if (presto) img.parentNode.removeChild(img); } } function onDragOver(cm, e) { var pos = posFromMouse(cm, e); if (!pos) return; var frag = document.createDocumentFragment(); drawSelectionCursor(cm, pos, frag); if (!cm.display.dragCursor) { cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors"); cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv); } removeChildrenAndAdd(cm.display.dragCursor, frag); } function clearDragCursor(cm) { if (cm.display.dragCursor) { cm.display.lineSpace.removeChild(cm.display.dragCursor); cm.display.dragCursor = null; } } // SCROLL EVENTS // Sync the scrollable area and scrollbars, ensure the viewport // covers the visible area. function setScrollTop(cm, val) { if (Math.abs(cm.doc.scrollTop - val) < 2) return; cm.doc.scrollTop = val; if (!gecko) updateDisplaySimple(cm, {top: val}); if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val; cm.display.scrollbars.setScrollTop(val); if (gecko) updateDisplaySimple(cm); startWorker(cm, 100); } // Sync scroller and scrollbar, ensure the gutter elements are // aligned. function setScrollLeft(cm, val, isScroller) { if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return; val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth); cm.doc.scrollLeft = val; alignHorizontally(cm); if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val; cm.display.scrollbars.setScrollLeft(val); } // Since the delta values reported on mouse wheel events are // unstandardized between browsers and even browser versions, and // generally horribly unpredictable, this code starts by measuring // the scroll effect that the first few mouse wheel events have, // and, from that, detects the way it can convert deltas to pixel // offsets afterwards. // // The reason we want to know the amount a wheel event will scroll // is that it gives us a chance to update the display before the // actual scrolling happens, reducing flickering. var wheelSamples = 0, wheelPixelsPerUnit = null; // Fill in a browser-detected starting value on browsers where we // know one. These don't have to be accurate -- the result of them // being wrong would just be a slight flicker on the first wheel // scroll (if it is large enough). if (ie) wheelPixelsPerUnit = -.53; else if (gecko) wheelPixelsPerUnit = 15; else if (chrome) wheelPixelsPerUnit = -.7; else if (safari) wheelPixelsPerUnit = -1/3; var wheelEventDelta = function(e) { var dx = e.wheelDeltaX, dy = e.wheelDeltaY; if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail; if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail; else if (dy == null) dy = e.wheelDelta; return {x: dx, y: dy}; }; CodeMirror.wheelEventPixels = function(e) { var delta = wheelEventDelta(e); delta.x *= wheelPixelsPerUnit; delta.y *= wheelPixelsPerUnit; return delta; }; function onScrollWheel(cm, e) { var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y; var display = cm.display, scroll = display.scroller; // Quit if there's nothing to scroll here var canScrollX = scroll.scrollWidth > scroll.clientWidth; var canScrollY = scroll.scrollHeight > scroll.clientHeight; if (!(dx && canScrollX || dy && canScrollY)) return; // Webkit browsers on OS X abort momentum scrolls when the target // of the scroll event is removed from the scrollable element. // This hack (see related code in patchDisplay) makes sure the // element is kept around. if (dy && mac && webkit) { outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) { for (var i = 0; i < view.length; i++) { if (view[i].node == cur) { cm.display.currentWheelTarget = cur; break outer; } } } } // On some browsers, horizontal scrolling will cause redraws to // happen before the gutter has been realigned, causing it to // wriggle around in a most unseemly way. When we have an // estimated pixels/delta value, we just handle horizontal // scrolling entirely here. It'll be slightly off from native, but // better than glitching out. if (dx && !gecko && !presto && wheelPixelsPerUnit != null) { if (dy && canScrollY) setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight))); setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth))); // Only prevent default scrolling if vertical scrolling is // actually possible. Otherwise, it causes vertical scroll // jitter on OSX trackpads when deltaX is small and deltaY // is large (issue #3579) if (!dy || (dy && canScrollY)) e_preventDefault(e); display.wheelStartX = null; // Abort measurement, if in progress return; } // 'Project' the visible viewport to cover the area that is being // scrolled into view (if we know enough to estimate it). if (dy && wheelPixelsPerUnit != null) { var pixels = dy * wheelPixelsPerUnit; var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight; if (pixels < 0) top = Math.max(0, top + pixels - 50); else bot = Math.min(cm.doc.height, bot + pixels + 50); updateDisplaySimple(cm, {top: top, bottom: bot}); } if (wheelSamples < 20) { if (display.wheelStartX == null) { display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop; display.wheelDX = dx; display.wheelDY = dy; setTimeout(function() { if (display.wheelStartX == null) return; var movedX = scroll.scrollLeft - display.wheelStartX; var movedY = scroll.scrollTop - display.wheelStartY; var sample = (movedY && display.wheelDY && movedY / display.wheelDY) || (movedX && display.wheelDX && movedX / display.wheelDX); display.wheelStartX = display.wheelStartY = null; if (!sample) return; wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1); ++wheelSamples; }, 200); } else { display.wheelDX += dx; display.wheelDY += dy; } } } // KEY EVENTS // Run a handler that was bound to a key. function doHandleBinding(cm, bound, dropShift) { if (typeof bound == "string") { bound = commands[bound]; if (!bound) return false; } // Ensure previous input has been read, so that the handler sees a // consistent view of the document cm.display.input.ensurePolled(); var prevShift = cm.display.shift, done = false; try { if (cm.isReadOnly()) cm.state.suppressEdits = true; if (dropShift) cm.display.shift = false; done = bound(cm) != Pass; } finally { cm.display.shift = prevShift; cm.state.suppressEdits = false; } return done; } function lookupKeyForEditor(cm, name, handle) { for (var i = 0; i < cm.state.keyMaps.length; i++) { var result = lookupKey(name, cm.state.keyMaps[i], handle, cm); if (result) return result; } return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm)) || lookupKey(name, cm.options.keyMap, handle, cm); } var stopSeq = new Delayed; function dispatchKey(cm, name, e, handle) { var seq = cm.state.keySeq; if (seq) { if (isModifierKey(name)) return "handled"; stopSeq.set(50, function() { if (cm.state.keySeq == seq) { cm.state.keySeq = null; cm.display.input.reset(); } }); name = seq + " " + name; } var result = lookupKeyForEditor(cm, name, handle); if (result == "multi") cm.state.keySeq = name; if (result == "handled") signalLater(cm, "keyHandled", cm, name, e); if (result == "handled" || result == "multi") { e_preventDefault(e); restartBlink(cm); } if (seq && !result && /\'$/.test(name)) { e_preventDefault(e); return true; } return !!result; } // Handle a key from the keydown event. function handleKeyBinding(cm, e) { var name = keyName(e, true); if (!name) return false; if (e.shiftKey && !cm.state.keySeq) { // First try to resolve full name (including 'Shift-'). Failing // that, see if there is a cursor-motion command (starting with // 'go') bound to the keyname without 'Shift-'. return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);}) || dispatchKey(cm, name, e, function(b) { if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion) return doHandleBinding(cm, b); }); } else { return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); }); } } // Handle a key from the keypress event function handleCharBinding(cm, e, ch) { return dispatchKey(cm, "'" + ch + "'", e, function(b) { return doHandleBinding(cm, b, true); }); } var lastStoppedKey = null; function onKeyDown(e) { var cm = this; cm.curOp.focus = activeElt(); if (signalDOMEvent(cm, e)) return; // IE does strange things with escape. if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false; var code = e.keyCode; cm.display.shift = code == 16 || e.shiftKey; var handled = handleKeyBinding(cm, e); if (presto) { lastStoppedKey = handled ? code : null; // Opera has no cut event... we try to at least catch the key combo if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey)) cm.replaceSelection("", null, "cut"); } // Turn mouse into crosshair when Alt is held on Mac. if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className)) showCrossHair(cm); } function showCrossHair(cm) { var lineDiv = cm.display.lineDiv; addClass(lineDiv, "CodeMirror-crosshair"); function up(e) { if (e.keyCode == 18 || !e.altKey) { rmClass(lineDiv, "CodeMirror-crosshair"); off(document, "keyup", up); off(document, "mouseover", up); } } on(document, "keyup", up); on(document, "mouseover", up); } function onKeyUp(e) { if (e.keyCode == 16) this.doc.sel.shift = false; signalDOMEvent(this, e); } function onKeyPress(e) { var cm = this; if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return; var keyCode = e.keyCode, charCode = e.charCode; if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;} if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return; var ch = String.fromCharCode(charCode == null ? keyCode : charCode); if (handleCharBinding(cm, e, ch)) return; cm.display.input.onKeyPress(e); } // FOCUS/BLUR EVENTS function delayBlurEvent(cm) { cm.state.delayingBlurEvent = true; setTimeout(function() { if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; onBlur(cm); } }, 100); } function onFocus(cm) { if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false; if (cm.options.readOnly == "nocursor") return; if (!cm.state.focused) { signal(cm, "focus", cm); cm.state.focused = true; addClass(cm.display.wrapper, "CodeMirror-focused"); // This test prevents this from firing when a context // menu is closed (since the input reset would kill the // select-all detection hack) if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) { cm.display.input.reset(); if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730 } cm.display.input.receivedFocus(); } restartBlink(cm); } function onBlur(cm) { if (cm.state.delayingBlurEvent) return; if (cm.state.focused) { signal(cm, "blur", cm); cm.state.focused = false; rmClass(cm.display.wrapper, "CodeMirror-focused"); } clearInterval(cm.display.blinker); setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150); } // CONTEXT MENU HANDLING // To make the context menu work, we need to briefly unhide the // textarea (making it as unobtrusive as possible) to let the // right-click take effect on it. function onContextMenu(cm, e) { if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return; if (signalDOMEvent(cm, e, "contextmenu")) return; cm.display.input.onContextMenu(e); } function contextMenuInGutter(cm, e) { if (!hasHandler(cm, "gutterContextMenu")) return false; return gutterEvent(cm, e, "gutterContextMenu", false); } // UPDATING // Compute the position of the end of a change (its 'to' property // refers to the pre-change end). var changeEnd = CodeMirror.changeEnd = function(change) { if (!change.text) return change.to; return Pos(change.from.line + change.text.length - 1, lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0)); }; // Adjust a position to refer to the post-change position of the // same text, or the end of the change if the change covers it. function adjustForChange(pos, change) { if (cmp(pos, change.from) < 0) return pos; if (cmp(pos, change.to) <= 0) return changeEnd(change); var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch; if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch; return Pos(line, ch); } function computeSelAfterChange(doc, change) { var out = []; for (var i = 0; i < doc.sel.ranges.length; i++) { var range = doc.sel.ranges[i]; out.push(new Range(adjustForChange(range.anchor, change), adjustForChange(range.head, change))); } return normalizeSelection(out, doc.sel.primIndex); } function offsetPos(pos, old, nw) { if (pos.line == old.line) return Pos(nw.line, pos.ch - old.ch + nw.ch); else return Pos(nw.line + (pos.line - old.line), pos.ch); } // Used by replaceSelections to allow moving the selection to the // start or around the replaced test. Hint may be "start" or "around". function computeReplacedSel(doc, changes, hint) { var out = []; var oldPrev = Pos(doc.first, 0), newPrev = oldPrev; for (var i = 0; i < changes.length; i++) { var change = changes[i]; var from = offsetPos(change.from, oldPrev, newPrev); var to = offsetPos(changeEnd(change), oldPrev, newPrev); oldPrev = change.to; newPrev = to; if (hint == "around") { var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0; out[i] = new Range(inv ? to : from, inv ? from : to); } else { out[i] = new Range(from, from); } } return new Selection(out, doc.sel.primIndex); } // Allow "beforeChange" event handlers to influence a change function filterChange(doc, change, update) { var obj = { canceled: false, from: change.from, to: change.to, text: change.text, origin: change.origin, cancel: function() { this.canceled = true; } }; if (update) obj.update = function(from, to, text, origin) { if (from) this.from = clipPos(doc, from); if (to) this.to = clipPos(doc, to); if (text) this.text = text; if (origin !== undefined) this.origin = origin; }; signal(doc, "beforeChange", doc, obj); if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj); if (obj.canceled) return null; return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}; } // Apply a change to a document, and add it to the document's // history, and propagating it to all linked documents. function makeChange(doc, change, ignoreReadOnly) { if (doc.cm) { if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly); if (doc.cm.state.suppressEdits) return; } if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) { change = filterChange(doc, change, true); if (!change) return; } // Possibly split or suppress the update based on the presence // of read-only spans in its range. var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to); if (split) { for (var i = split.length - 1; i >= 0; --i) makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text}); } else { makeChangeInner(doc, change); } } function makeChangeInner(doc, change) { if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return; var selAfter = computeSelAfterChange(doc, change); addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN); makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change)); var rebased = []; linkedDocs(doc, function(doc, sharedHist) { if (!sharedHist && indexOf(rebased, doc.history) == -1) { rebaseHist(doc.history, change); rebased.push(doc.history); } makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change)); }); } // Revert a change stored in a document's history. function makeChangeFromHistory(doc, type, allowSelectionOnly) { if (doc.cm && doc.cm.state.suppressEdits) return; var hist = doc.history, event, selAfter = doc.sel; var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done; // Verify that there is a useable event (so that ctrl-z won't // needlessly clear selection events) for (var i = 0; i < source.length; i++) { event = source[i]; if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges) break; } if (i == source.length) return; hist.lastOrigin = hist.lastSelOrigin = null; for (;;) { event = source.pop(); if (event.ranges) { pushSelectionToHistory(event, dest); if (allowSelectionOnly && !event.equals(doc.sel)) { setSelection(doc, event, {clearRedo: false}); return; } selAfter = event; } else break; } // Build up a reverse change object to add to the opposite history // stack (redo when undoing, and vice versa). var antiChanges = []; pushSelectionToHistory(selAfter, dest); dest.push({changes: antiChanges, generation: hist.generation}); hist.generation = event.generation || ++hist.maxGeneration; var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange"); for (var i = event.changes.length - 1; i >= 0; --i) { var change = event.changes[i]; change.origin = type; if (filter && !filterChange(doc, change, false)) { source.length = 0; return; } antiChanges.push(historyChangeFromChange(doc, change)); var after = i ? computeSelAfterChange(doc, change) : lst(source); makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change)); if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); var rebased = []; // Propagate to the linked documents linkedDocs(doc, function(doc, sharedHist) { if (!sharedHist && indexOf(rebased, doc.history) == -1) { rebaseHist(doc.history, change); rebased.push(doc.history); } makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change)); }); } } // Sub-views need their line numbers shifted when text is added // above or below them in the parent document. function shiftDoc(doc, distance) { if (distance == 0) return; doc.first += distance; doc.sel = new Selection(map(doc.sel.ranges, function(range) { return new Range(Pos(range.anchor.line + distance, range.anchor.ch), Pos(range.head.line + distance, range.head.ch)); }), doc.sel.primIndex); if (doc.cm) { regChange(doc.cm, doc.first, doc.first - distance, distance); for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++) regLineChange(doc.cm, l, "gutter"); } } // More lower-level change function, handling only a single document // (not linked ones). function makeChangeSingleDoc(doc, change, selAfter, spans) { if (doc.cm && !doc.cm.curOp) return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans); if (change.to.line < doc.first) { shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line)); return; } if (change.from.line > doc.lastLine()) return; // Clip the change to the size of this doc if (change.from.line < doc.first) { var shift = change.text.length - 1 - (doc.first - change.from.line); shiftDoc(doc, shift); change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch), text: [lst(change.text)], origin: change.origin}; } var last = doc.lastLine(); if (change.to.line > last) { change = {from: change.from, to: Pos(last, getLine(doc, last).text.length), text: [change.text[0]], origin: change.origin}; } change.removed = getBetween(doc, change.from, change.to); if (!selAfter) selAfter = computeSelAfterChange(doc, change); if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans); else updateDoc(doc, change, spans); setSelectionNoUndo(doc, selAfter, sel_dontScroll); } // Handle the interaction of a change to a document with the editor // that this document is part of. function makeChangeSingleDocInEditor(cm, change, spans) { var doc = cm.doc, display = cm.display, from = change.from, to = change.to; var recomputeMaxLength = false, checkWidthStart = from.line; if (!cm.options.lineWrapping) { checkWidthStart = lineNo(visualLine(getLine(doc, from.line))); doc.iter(checkWidthStart, to.line + 1, function(line) { if (line == display.maxLine) { recomputeMaxLength = true; return true; } }); } if (doc.sel.contains(change.from, change.to) > -1) signalCursorActivity(cm); updateDoc(doc, change, spans, estimateHeight(cm)); if (!cm.options.lineWrapping) { doc.iter(checkWidthStart, from.line + change.text.length, function(line) { var len = lineLength(line); if (len > display.maxLineLength) { display.maxLine = line; display.maxLineLength = len; display.maxLineChanged = true; recomputeMaxLength = false; } }); if (recomputeMaxLength) cm.curOp.updateMaxLine = true; } // Adjust frontier, schedule worker doc.frontier = Math.min(doc.frontier, from.line); startWorker(cm, 400); var lendiff = change.text.length - (to.line - from.line) - 1; // Remember that these lines changed, for updating the display if (change.full) regChange(cm); else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change)) regLineChange(cm, from.line, "text"); else regChange(cm, from.line, to.line + 1, lendiff); var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change"); if (changeHandler || changesHandler) { var obj = { from: from, to: to, text: change.text, removed: change.removed, origin: change.origin }; // obj.to = new Pos(obj.to.line + (( deleted ? -1 : 1 ) * (inserted.split("\n").length - 1)), to.ch + inserted.length - deleted); if (changeHandler) signalLater(cm, "change", cm, obj); if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); } cm.display.selForContextMenu = null; } function replaceRange(doc, code, from, to, origin) { if (!to) to = from; if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; } if (typeof code == "string") code = doc.splitLines(code); makeChange(doc, {from: from, to: to, text: code, origin: origin}); } // SCROLLING THINGS INTO VIEW // If an editor sits on the top or bottom of the window, partially // scrolled out of view, this ensures that the cursor is visible. function maybeScrollWindow(cm, coords) { if (signalDOMEvent(cm, "scrollCursorIntoView")) return; var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null; if (coords.top + box.top < 0) doScroll = true; else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false; if (doScroll != null && !phantom) { var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " + (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " + (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " + coords.left + "px; width: 2px;"); cm.display.lineSpace.appendChild(scrollNode); scrollNode.scrollIntoView(doScroll); cm.display.lineSpace.removeChild(scrollNode); } } // Scroll a given position into view (immediately), verifying that // it actually became visible (as line heights are accurately // measured, the position of something may 'drift' during drawing). function scrollPosIntoView(cm, pos, end, margin) { if (margin == null) margin = 0; for (var limit = 0; limit < 5; limit++) { var changed = false, coords = cursorCoords(cm, pos); var endCoords = !end || end == pos ? coords : cursorCoords(cm, end); var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left), Math.min(coords.top, endCoords.top) - margin, Math.max(coords.left, endCoords.left), Math.max(coords.bottom, endCoords.bottom) + margin); var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft; if (scrollPos.scrollTop != null) { setScrollTop(cm, scrollPos.scrollTop); if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true; } if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true; } if (!changed) break; } return coords; } // Scroll a given set of coordinates into view (immediately). function scrollIntoView(cm, x1, y1, x2, y2) { var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2); if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop); if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft); } // Calculate a new scroll position needed to scroll the given // rectangle into view. Returns an object with scrollTop and // scrollLeft properties. When these are undefined, the // vertical/horizontal position does not need to be adjusted. function calculateScrollPos(cm, x1, y1, x2, y2) { var display = cm.display, snapMargin = textHeight(cm.display); if (y1 < 0) y1 = 0; var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop; var screen = displayHeight(cm), result = {}; if (y2 - y1 > screen) y2 = y1 + screen; var docBottom = cm.doc.height + paddingVert(display); var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin; if (y1 < screentop) { result.scrollTop = atTop ? 0 : y1; } else if (y2 > screentop + screen) { var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen); if (newTop != screentop) result.scrollTop = newTop; } var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft; var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0); var tooWide = x2 - x1 > screenw; if (tooWide) x2 = x1 + screenw; if (x1 < 10) result.scrollLeft = 0; else if (x1 < screenleft) result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10)); else if (x2 > screenw + screenleft - 3) result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw; return result; } // Store a relative adjustment to the scroll position in the current // operation (to be applied when the operation finishes). function addToScrollPos(cm, left, top) { if (left != null || top != null) resolveScrollToPos(cm); if (left != null) cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left; if (top != null) cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top; } // Make sure that at the end of the operation the current cursor is // shown. function ensureCursorVisible(cm) { resolveScrollToPos(cm); var cur = cm.getCursor(), from = cur, to = cur; if (!cm.options.lineWrapping) { from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur; to = Pos(cur.line, cur.ch + 1); } cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true}; } // When an operation has its scrollToPos property set, and another // scroll action is applied before the end of the operation, this // 'simulates' scrolling that position into view in a cheap way, so // that the effect of intermediate scroll commands is not ignored. function resolveScrollToPos(cm) { var range = cm.curOp.scrollToPos; if (range) { cm.curOp.scrollToPos = null; var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to); var sPos = calculateScrollPos(cm, Math.min(from.left, to.left), Math.min(from.top, to.top) - range.margin, Math.max(from.right, to.right), Math.max(from.bottom, to.bottom) + range.margin); cm.scrollTo(sPos.scrollLeft, sPos.scrollTop); } } // API UTILITIES // Indent the given line. The how parameter can be "smart", // "add"/null, "subtract", or "prev". When aggressive is false // (typically set to true for forced single-line indents), empty // lines are not indented, and places where the mode returns Pass // are left alone. function indentLine(cm, n, how, aggressive) { var doc = cm.doc, state; if (how == null) how = "add"; if (how == "smart") { // Fall back to "prev" when the mode doesn't have an indentation // method. if (!doc.mode.indent) how = "prev"; else state = getStateBefore(cm, n); } var tabSize = cm.options.tabSize; var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize); if (line.stateAfter) line.stateAfter = null; var curSpaceString = line.text.match(/^\s*/)[0], indentation; if (!aggressive && !/\S/.test(line.text)) { indentation = 0; how = "not"; } else if (how == "smart") { indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text); if (indentation == Pass || indentation > 150) { if (!aggressive) return; how = "prev"; } } if (how == "prev") { if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize); else indentation = 0; } else if (how == "add") { indentation = curSpace + cm.options.indentUnit; } else if (how == "subtract") { indentation = curSpace - cm.options.indentUnit; } else if (typeof how == "number") { indentation = curSpace + how; } indentation = Math.max(0, indentation); var indentString = "", pos = 0; if (cm.options.indentWithTabs) for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} if (pos < indentation) indentString += spaceStr(indentation - pos); if (indentString != curSpaceString) { replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input"); line.stateAfter = null; return true; } else { // Ensure that, if the cursor was in the whitespace at the start // of the line, it is moved to the end of that space. for (var i = 0; i < doc.sel.ranges.length; i++) { var range = doc.sel.ranges[i]; if (range.head.line == n && range.head.ch < curSpaceString.length) { var pos = Pos(n, curSpaceString.length); replaceOneSelection(doc, i, new Range(pos, pos)); break; } } } } // Utility for applying a change to a line by handle or number, // returning the number and optionally registering the line as // changed. function changeLine(doc, handle, changeType, op) { var no = handle, line = handle; if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle)); else no = lineNo(handle); if (no == null) return null; if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType); return line; } // Helper for deleting text near the selection(s), used to implement // backspace, delete, and similar functionality. function deleteNearSelection(cm, compute) { var ranges = cm.doc.sel.ranges, kill = []; // Build up a set of ranges to kill first, merging overlapping // ranges. for (var i = 0; i < ranges.length; i++) { var toKill = compute(ranges[i]); while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) { var replaced = kill.pop(); if (cmp(replaced.from, toKill.from) < 0) { toKill.from = replaced.from; break; } } kill.push(toKill); } // Next, remove those actual ranges. runInOp(cm, function() { for (var i = kill.length - 1; i >= 0; i--) replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); ensureCursorVisible(cm); }); } // Used for horizontal relative motion. Dir is -1 or 1 (left or // right), unit can be "char", "column" (like char, but doesn't // cross line boundaries), "word" (across next word), or "group" (to // the start of next group of word or non-word-non-whitespace // chars). The visually param controls whether, in right-to-left // text, direction 1 means to move towards the next index in the // string, or towards the character to the right of the current // position. The resulting position will have a hitSide=true // property if it reached the end of the document. function findPosH(doc, pos, dir, unit, visually) { var line = pos.line, ch = pos.ch, origDir = dir; var lineObj = getLine(doc, line); function findNextLine() { var l = line + dir; if (l < doc.first || l >= doc.first + doc.size) return false line = l; return lineObj = getLine(doc, l); } function moveOnce(boundToLine) { var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true); if (next == null) { if (!boundToLine && findNextLine()) { if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj); else ch = dir < 0 ? lineObj.text.length : 0; } else return false } else ch = next; return true; } if (unit == "char") { moveOnce() } else if (unit == "column") { moveOnce(true) } else if (unit == "word" || unit == "group") { var sawType = null, group = unit == "group"; var helper = doc.cm && doc.cm.getHelper(pos, "wordChars"); for (var first = true;; first = false) { if (dir < 0 && !moveOnce(!first)) break; var cur = lineObj.text.charAt(ch) || "\n"; var type = isWordChar(cur, helper) ? "w" : group && cur == "\n" ? "n" : !group || /\s/.test(cur) ? null : "p"; if (group && !first && !type) type = "s"; if (sawType && sawType != type) { if (dir < 0) {dir = 1; moveOnce();} break; } if (type) sawType = type; if (dir > 0 && !moveOnce(!first)) break; } } var result = skipAtomic(doc, Pos(line, ch), pos, origDir, true); if (!cmp(pos, result)) result.hitSide = true; return result; } // For relative vertical movement. Dir may be -1 or 1. Unit can be // "page" or "line". The resulting position will have a hitSide=true // property if it reached the end of the document. function findPosV(cm, pos, dir, unit) { var doc = cm.doc, x = pos.left, y; if (unit == "page") { var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight); y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display)); } else if (unit == "line") { y = dir > 0 ? pos.bottom + 3 : pos.top - 3; } for (;;) { var target = coordsChar(cm, x, y); if (!target.outside) break; if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; } y += dir * 5; } return target; } // EDITOR METHODS // The publicly visible API. Note that methodOp(f) means // 'wrap f in an operation, performed on its `this` parameter'. // This is not the complete set of editor methods. Most of the // methods defined on the Doc type are also injected into // CodeMirror.prototype, for backwards compatibility and // convenience. CodeMirror.prototype = { constructor: CodeMirror, focus: function(){window.focus(); this.display.input.focus();}, setOption: function(option, value) { var options = this.options, old = options[option]; if (options[option] == value && option != "mode") return; options[option] = value; if (optionHandlers.hasOwnProperty(option)) operation(this, optionHandlers[option])(this, value, old); }, getOption: function(option) {return this.options[option];}, getDoc: function() {return this.doc;}, addKeyMap: function(map, bottom) { this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map)); }, removeKeyMap: function(map) { var maps = this.state.keyMaps; for (var i = 0; i < maps.length; ++i) if (maps[i] == map || maps[i].name == map) { maps.splice(i, 1); return true; } }, addOverlay: methodOp(function(spec, options) { var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec); if (mode.startState) throw new Error("Overlays may not be stateful."); this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque}); this.state.modeGen++; regChange(this); }), removeOverlay: methodOp(function(spec) { var overlays = this.state.overlays; for (var i = 0; i < overlays.length; ++i) { var cur = overlays[i].modeSpec; if (cur == spec || typeof spec == "string" && cur.name == spec) { overlays.splice(i, 1); this.state.modeGen++; regChange(this); return; } } }), indentLine: methodOp(function(n, dir, aggressive) { if (typeof dir != "string" && typeof dir != "number") { if (dir == null) dir = this.options.smartIndent ? "smart" : "prev"; else dir = dir ? "add" : "subtract"; } if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive); }), indentSelection: methodOp(function(how) { var ranges = this.doc.sel.ranges, end = -1; for (var i = 0; i < ranges.length; i++) { var range = ranges[i]; if (!range.empty()) { var from = range.from(), to = range.to(); var start = Math.max(end, from.line); end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1; for (var j = start; j < end; ++j) indentLine(this, j, how); var newRanges = this.doc.sel.ranges; if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0) replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); } else if (range.head.line > end) { indentLine(this, range.head.line, how, true); end = range.head.line; if (i == this.doc.sel.primIndex) ensureCursorVisible(this); } } }), // Fetch the parser token for a given character. Useful for hacks // that want to inspect the mode state (say, for completion). getTokenAt: function(pos, precise) { return takeToken(this, pos, precise); }, getLineTokens: function(line, precise) { return takeToken(this, Pos(line), precise, true); }, getTokenTypeAt: function(pos) { pos = clipPos(this.doc, pos); var styles = getLineStyles(this, getLine(this.doc, pos.line)); var before = 0, after = (styles.length - 1) / 2, ch = pos.ch; var type; if (ch == 0) type = styles[2]; else for (;;) { var mid = (before + after) >> 1; if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid; else if (styles[mid * 2 + 1] < ch) before = mid + 1; else { type = styles[mid * 2 + 2]; break; } } var cut = type ? type.indexOf("cm-overlay ") : -1; return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1); }, getModeAt: function(pos) { var mode = this.doc.mode; if (!mode.innerMode) return mode; return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode; }, getHelper: function(pos, type) { return this.getHelpers(pos, type)[0]; }, getHelpers: function(pos, type) { var found = []; if (!helpers.hasOwnProperty(type)) return found; var help = helpers[type], mode = this.getModeAt(pos); if (typeof mode[type] == "string") { if (help[mode[type]]) found.push(help[mode[type]]); } else if (mode[type]) { for (var i = 0; i < mode[type].length; i++) { var val = help[mode[type][i]]; if (val) found.push(val); } } else if (mode.helperType && help[mode.helperType]) { found.push(help[mode.helperType]); } else if (help[mode.name]) { found.push(help[mode.name]); } for (var i = 0; i < help._global.length; i++) { var cur = help._global[i]; if (cur.pred(mode, this) && indexOf(found, cur.val) == -1) found.push(cur.val); } return found; }, getStateAfter: function(line, precise) { var doc = this.doc; line = clipLine(doc, line == null ? doc.first + doc.size - 1: line); return getStateBefore(this, line + 1, precise); }, cursorCoords: function(start, mode) { var pos, range = this.doc.sel.primary(); if (start == null) pos = range.head; else if (typeof start == "object") pos = clipPos(this.doc, start); else pos = start ? range.from() : range.to(); return cursorCoords(this, pos, mode || "page"); }, charCoords: function(pos, mode) { return charCoords(this, clipPos(this.doc, pos), mode || "page"); }, coordsChar: function(coords, mode) { coords = fromCoordSystem(this, coords, mode || "page"); return coordsChar(this, coords.left, coords.top); }, lineAtHeight: function(height, mode) { height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top; return lineAtHeight(this.doc, height + this.display.viewOffset); }, heightAtLine: function(line, mode) { var end = false, lineObj; if (typeof line == "number") { var last = this.doc.first + this.doc.size - 1; if (line < this.doc.first) line = this.doc.first; else if (line > last) { line = last; end = true; } lineObj = getLine(this.doc, line); } else { lineObj = line; } return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top + (end ? this.doc.height - heightAtLine(lineObj) : 0); }, defaultTextHeight: function() { return textHeight(this.display); }, defaultCharWidth: function() { return charWidth(this.display); }, setGutterMarker: methodOp(function(line, gutterID, value) { return changeLine(this.doc, line, "gutter", function(line) { var markers = line.gutterMarkers || (line.gutterMarkers = {}); markers[gutterID] = value; if (!value && isEmpty(markers)) line.gutterMarkers = null; return true; }); }), clearGutter: methodOp(function(gutterID) { var cm = this, doc = cm.doc, i = doc.first; doc.iter(function(line) { if (line.gutterMarkers && line.gutterMarkers[gutterID]) { line.gutterMarkers[gutterID] = null; regLineChange(cm, i, "gutter"); if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null; } ++i; }); }), lineInfo: function(line) { if (typeof line == "number") { if (!isLine(this.doc, line)) return null; var n = line; line = getLine(this.doc, line); if (!line) return null; } else { var n = lineNo(line); if (n == null) return null; } return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers, textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass, widgets: line.widgets}; }, getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};}, addWidget: function(pos, node, scroll, vert, horiz) { var display = this.display; pos = cursorCoords(this, clipPos(this.doc, pos)); var top = pos.bottom, left = pos.left; node.style.position = "absolute"; node.setAttribute("cm-ignore-events", "true"); this.display.input.setUneditable(node); display.sizer.appendChild(node); if (vert == "over") { top = pos.top; } else if (vert == "above" || vert == "near") { var vspace = Math.max(display.wrapper.clientHeight, this.doc.height), hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth); // Default to positioning above (if specified and possible); otherwise default to positioning below if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight) top = pos.top - node.offsetHeight; else if (pos.bottom + node.offsetHeight <= vspace) top = pos.bottom; if (left + node.offsetWidth > hspace) left = hspace - node.offsetWidth; } node.style.top = top + "px"; node.style.left = node.style.right = ""; if (horiz == "right") { left = display.sizer.clientWidth - node.offsetWidth; node.style.right = "0px"; } else { if (horiz == "left") left = 0; else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2; node.style.left = left + "px"; } if (scroll) scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight); }, triggerOnKeyDown: methodOp(onKeyDown), triggerOnKeyPress: methodOp(onKeyPress), triggerOnKeyUp: onKeyUp, execCommand: function(cmd) { if (commands.hasOwnProperty(cmd)) return commands[cmd].call(null, this); }, triggerElectric: methodOp(function(text) { triggerElectric(this, text); }), findPosH: function(from, amount, unit, visually) { var dir = 1; if (amount < 0) { dir = -1; amount = -amount; } for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { cur = findPosH(this.doc, cur, dir, unit, visually); if (cur.hitSide) break; } return cur; }, moveH: methodOp(function(dir, unit) { var cm = this; cm.extendSelectionsBy(function(range) { if (cm.display.shift || cm.doc.extend || range.empty()) return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually); else return dir < 0 ? range.from() : range.to(); }, sel_move); }), deleteH: methodOp(function(dir, unit) { var sel = this.doc.sel, doc = this.doc; if (sel.somethingSelected()) doc.replaceSelection("", null, "+delete"); else deleteNearSelection(this, function(range) { var other = findPosH(doc, range.head, dir, unit, false); return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}; }); }), findPosV: function(from, amount, unit, goalColumn) { var dir = 1, x = goalColumn; if (amount < 0) { dir = -1; amount = -amount; } for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) { var coords = cursorCoords(this, cur, "div"); if (x == null) x = coords.left; else coords.left = x; cur = findPosV(this, coords, dir, unit); if (cur.hitSide) break; } return cur; }, moveV: methodOp(function(dir, unit) { var cm = this, doc = this.doc, goals = []; var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected(); doc.extendSelectionsBy(function(range) { if (collapse) return dir < 0 ? range.from() : range.to(); var headPos = cursorCoords(cm, range.head, "div"); if (range.goalColumn != null) headPos.left = range.goalColumn; goals.push(headPos.left); var pos = findPosV(cm, headPos, dir, unit); if (unit == "page" && range == doc.sel.primary()) addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top); return pos; }, sel_move); if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++) doc.sel.ranges[i].goalColumn = goals[i]; }), // Find the word at the given position (as returned by coordsChar). findWordAt: function(pos) { var doc = this.doc, line = getLine(doc, pos.line).text; var start = pos.ch, end = pos.ch; if (line) { var helper = this.getHelper(pos, "wordChars"); if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end; var startChar = line.charAt(start); var check = isWordChar(startChar, helper) ? function(ch) { return isWordChar(ch, helper); } : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);} : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);}; while (start > 0 && check(line.charAt(start - 1))) --start; while (end < line.length && check(line.charAt(end))) ++end; } return new Range(Pos(pos.line, start), Pos(pos.line, end)); }, toggleOverwrite: function(value) { if (value != null && value == this.state.overwrite) return; if (this.state.overwrite = !this.state.overwrite) addClass(this.display.cursorDiv, "CodeMirror-overwrite"); else rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); signal(this, "overwriteToggle", this, this.state.overwrite); }, hasFocus: function() { return this.display.input.getField() == activeElt(); }, isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit); }, scrollTo: methodOp(function(x, y) { if (x != null || y != null) resolveScrollToPos(this); if (x != null) this.curOp.scrollLeft = x; if (y != null) this.curOp.scrollTop = y; }), getScrollInfo: function() { var scroller = this.display.scroller; return {left: scroller.scrollLeft, top: scroller.scrollTop, height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight, width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth, clientHeight: displayHeight(this), clientWidth: displayWidth(this)}; }, scrollIntoView: methodOp(function(range, margin) { if (range == null) { range = {from: this.doc.sel.primary().head, to: null}; if (margin == null) margin = this.options.cursorScrollMargin; } else if (typeof range == "number") { range = {from: Pos(range, 0), to: null}; } else if (range.from == null) { range = {from: range, to: null}; } if (!range.to) range.to = range.from; range.margin = margin || 0; if (range.from.line != null) { resolveScrollToPos(this); this.curOp.scrollToPos = range; } else { var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left), Math.min(range.from.top, range.to.top) - range.margin, Math.max(range.from.right, range.to.right), Math.max(range.from.bottom, range.to.bottom) + range.margin); this.scrollTo(sPos.scrollLeft, sPos.scrollTop); } }), setSize: methodOp(function(width, height) { var cm = this; function interpret(val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; } if (width != null) cm.display.wrapper.style.width = interpret(width); if (height != null) cm.display.wrapper.style.height = interpret(height); if (cm.options.lineWrapping) clearLineMeasurementCache(this); var lineNo = cm.display.viewFrom; cm.doc.iter(lineNo, cm.display.viewTo, function(line) { if (line.widgets) for (var i = 0; i < line.widgets.length; i++) if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; } ++lineNo; }); cm.curOp.forceUpdate = true; signal(cm, "refresh", this); }), operation: function(f){return runInOp(this, f);}, refresh: methodOp(function() { var oldHeight = this.display.cachedTextHeight; regChange(this); this.curOp.forceUpdate = true; clearCaches(this); this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop); updateGutterSpace(this); if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5) estimateLineHeights(this); signal(this, "refresh", this); }), swapDoc: methodOp(function(doc) { var old = this.doc; old.cm = null; attachDoc(this, doc); clearCaches(this); this.display.input.reset(); this.scrollTo(doc.scrollLeft, doc.scrollTop); this.curOp.forceScroll = true; signalLater(this, "swapDoc", this, old); return old; }), getInputField: function(){return this.display.input.getField();}, getWrapperElement: function(){return this.display.wrapper;}, getScrollerElement: function(){return this.display.scroller;}, getGutterElement: function(){return this.display.gutters;} }; eventMixin(CodeMirror); // OPTION DEFAULTS // The default configuration options. var defaults = CodeMirror.defaults = {}; // Functions to run when options are changed. var optionHandlers = CodeMirror.optionHandlers = {}; function option(name, deflt, handle, notOnInit) { CodeMirror.defaults[name] = deflt; if (handle) optionHandlers[name] = notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle; } // Passed to option handlers when there is no old value. var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}}; // These two are, on init, called from the constructor because they // have to be initialized before the editor can start at all. option("value", "", function(cm, val) { cm.setValue(val); }, true); option("mode", null, function(cm, val) { cm.doc.modeOption = val; loadMode(cm); }, true); option("indentUnit", 2, loadMode, true); option("indentWithTabs", false); option("smartIndent", true); option("tabSize", 4, function(cm) { resetModeState(cm); clearCaches(cm); regChange(cm); }, true); option("lineSeparator", null, function(cm, val) { cm.doc.lineSep = val; if (!val) return; var newBreaks = [], lineNo = cm.doc.first; cm.doc.iter(function(line) { for (var pos = 0;;) { var found = line.text.indexOf(val, pos); if (found == -1) break; pos = found + val.length; newBreaks.push(Pos(lineNo, found)); } lineNo++; }); for (var i = newBreaks.length - 1; i >= 0; i--) replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)) }); option("specialChars", /[\u0000-\u001f\u007f\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) { cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g"); if (old != CodeMirror.Init) cm.refresh(); }); option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true); option("electricChars", true); option("inputStyle", mobile ? "contenteditable" : "textarea", function() { throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME }, true); option("rtlMoveVisually", !windows); option("wholeLineUpdateBefore", true); option("theme", "default", function(cm) { themeChanged(cm); guttersChanged(cm); }, true); option("keyMap", "default", function(cm, val, old) { var next = getKeyMap(val); var prev = old != CodeMirror.Init && getKeyMap(old); if (prev && prev.detach) prev.detach(cm, next); if (next.attach) next.attach(cm, prev || null); }); option("extraKeys", null); option("lineWrapping", false, wrappingChanged, true); option("gutters", [], function(cm) { setGuttersForLineNumbers(cm.options); guttersChanged(cm); }, true); option("fixedGutter", true, function(cm, val) { cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"; cm.refresh(); }, true); option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true); option("scrollbarStyle", "native", function(cm) { initScrollbars(cm); updateScrollbars(cm); cm.display.scrollbars.setScrollTop(cm.doc.scrollTop); cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft); }, true); option("lineNumbers", false, function(cm) { setGuttersForLineNumbers(cm.options); guttersChanged(cm); }, true); option("firstLineNumber", 1, guttersChanged, true); option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true); option("showCursorWhenSelecting", false, updateSelection, true); option("resetSelectionOnContextMenu", true); option("lineWiseCopyCut", true); option("readOnly", false, function(cm, val) { if (val == "nocursor") { onBlur(cm); cm.display.input.blur(); cm.display.disabled = true; } else { cm.display.disabled = false; } cm.display.input.readOnlyChanged(val) }); option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true); option("dragDrop", true, dragDropChanged); option("allowDropFileTypes", null); option("cursorBlinkRate", 530); option("cursorScrollMargin", 0); option("cursorHeight", 1, updateSelection, true); option("singleCursorHeightPerLine", true, updateSelection, true); option("workTime", 100); option("workDelay", 100); option("flattenSpans", true, resetModeState, true); option("addModeClass", false, resetModeState, true); option("pollInterval", 100); option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;}); option("historyEventDelay", 1250); option("viewportMargin", 10, function(cm){cm.refresh();}, true); option("maxHighlightLength", 10000, resetModeState, true); option("moveInputWithCursor", true, function(cm, val) { if (!val) cm.display.input.resetPosition(); }); option("tabindex", null, function(cm, val) { cm.display.input.getField().tabIndex = val || ""; }); option("autofocus", null); // MODE DEFINITION AND QUERYING // Known modes, by name and by MIME var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {}; // Extra arguments are stored as the mode's dependencies, which is // used by (legacy) mechanisms like loadmode.js to automatically // load a mode. (Preferred mechanism is the require/define calls.) CodeMirror.defineMode = function(name, mode) { if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name; if (arguments.length > 2) mode.dependencies = Array.prototype.slice.call(arguments, 2); modes[name] = mode; }; CodeMirror.defineMIME = function(mime, spec) { mimeModes[mime] = spec; }; // Given a MIME type, a {name, ...options} config object, or a name // string, return a mode config object. CodeMirror.resolveMode = function(spec) { if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) { spec = mimeModes[spec]; } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) { var found = mimeModes[spec.name]; if (typeof found == "string") found = {name: found}; spec = createObj(found, spec); spec.name = found.name; } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) { return CodeMirror.resolveMode("application/xml"); } if (typeof spec == "string") return {name: spec}; else return spec || {name: "null"}; }; // Given a mode spec (anything that resolveMode accepts), find and // initialize an actual mode object. CodeMirror.getMode = function(options, spec) { var spec = CodeMirror.resolveMode(spec); var mfactory = modes[spec.name]; if (!mfactory) return CodeMirror.getMode(options, "text/plain"); var modeObj = mfactory(options, spec); if (modeExtensions.hasOwnProperty(spec.name)) { var exts = modeExtensions[spec.name]; for (var prop in exts) { if (!exts.hasOwnProperty(prop)) continue; if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop]; modeObj[prop] = exts[prop]; } } modeObj.name = spec.name; if (spec.helperType) modeObj.helperType = spec.helperType; if (spec.modeProps) for (var prop in spec.modeProps) modeObj[prop] = spec.modeProps[prop]; return modeObj; }; // Minimal default mode. CodeMirror.defineMode("null", function() { return {token: function(stream) {stream.skipToEnd();}}; }); CodeMirror.defineMIME("text/plain", "null"); // This can be used to attach properties to mode objects from // outside the actual mode definition. var modeExtensions = CodeMirror.modeExtensions = {}; CodeMirror.extendMode = function(mode, properties) { var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {}); copyObj(properties, exts); }; // EXTENSIONS CodeMirror.defineExtension = function(name, func) { CodeMirror.prototype[name] = func; }; CodeMirror.defineDocExtension = function(name, func) { Doc.prototype[name] = func; }; CodeMirror.defineOption = option; var initHooks = []; CodeMirror.defineInitHook = function(f) {initHooks.push(f);}; var helpers = CodeMirror.helpers = {}; CodeMirror.registerHelper = function(type, name, value) { if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []}; helpers[type][name] = value; }; CodeMirror.registerGlobalHelper = function(type, name, predicate, value) { CodeMirror.registerHelper(type, name, value); helpers[type]._global.push({pred: predicate, val: value}); }; // MODE STATE HANDLING // Utility functions for working with state. Exported because nested // modes need to do this for their inner modes. var copyState = CodeMirror.copyState = function(mode, state) { if (state === true) return state; if (mode.copyState) return mode.copyState(state); var nstate = {}; for (var n in state) { var val = state[n]; if (val instanceof Array) val = val.concat([]); nstate[n] = val; } return nstate; }; var startState = CodeMirror.startState = function(mode, a1, a2) { return mode.startState ? mode.startState(a1, a2) : true; }; // Given a mode and a state (for that mode), find the inner mode and // state at the position that the state refers to. CodeMirror.innerMode = function(mode, state) { while (mode.innerMode) { var info = mode.innerMode(state); if (!info || info.mode == mode) break; state = info.state; mode = info.mode; } return info || {mode: mode, state: state}; }; // STANDARD COMMANDS // Commands are parameter-less actions that can be performed on an // editor, mostly used for keybindings. var commands = CodeMirror.commands = { selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);}, singleSelection: function(cm) { cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); }, killLine: function(cm) { deleteNearSelection(cm, function(range) { if (range.empty()) { var len = getLine(cm.doc, range.head.line).text.length; if (range.head.ch == len && range.head.line < cm.lastLine()) return {from: range.head, to: Pos(range.head.line + 1, 0)}; else return {from: range.head, to: Pos(range.head.line, len)}; } else { return {from: range.from(), to: range.to()}; } }); }, deleteLine: function(cm) { deleteNearSelection(cm, function(range) { return {from: Pos(range.from().line, 0), to: clipPos(cm.doc, Pos(range.to().line + 1, 0))}; }); }, delLineLeft: function(cm) { deleteNearSelection(cm, function(range) { return {from: Pos(range.from().line, 0), to: range.from()}; }); }, delWrappedLineLeft: function(cm) { deleteNearSelection(cm, function(range) { var top = cm.charCoords(range.head, "div").top + 5; var leftPos = cm.coordsChar({left: 0, top: top}, "div"); return {from: leftPos, to: range.from()}; }); }, delWrappedLineRight: function(cm) { deleteNearSelection(cm, function(range) { var top = cm.charCoords(range.head, "div").top + 5; var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); return {from: range.from(), to: rightPos }; }); }, undo: function(cm) {cm.undo();}, redo: function(cm) {cm.redo();}, undoSelection: function(cm) {cm.undoSelection();}, redoSelection: function(cm) {cm.redoSelection();}, goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));}, goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));}, goLineStart: function(cm) { cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); }, {origin: "+move", bias: 1}); }, goLineStartSmart: function(cm) { cm.extendSelectionsBy(function(range) { return lineStartSmart(cm, range.head); }, {origin: "+move", bias: 1}); }, goLineEnd: function(cm) { cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); }, {origin: "+move", bias: -1}); }, goLineRight: function(cm) { cm.extendSelectionsBy(function(range) { var top = cm.charCoords(range.head, "div").top + 5; return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div"); }, sel_move); }, goLineLeft: function(cm) { cm.extendSelectionsBy(function(range) { var top = cm.charCoords(range.head, "div").top + 5; return cm.coordsChar({left: 0, top: top}, "div"); }, sel_move); }, goLineLeftSmart: function(cm) { cm.extendSelectionsBy(function(range) { var top = cm.charCoords(range.head, "div").top + 5; var pos = cm.coordsChar({left: 0, top: top}, "div"); if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head); return pos; }, sel_move); }, goLineUp: function(cm) {cm.moveV(-1, "line");}, goLineDown: function(cm) {cm.moveV(1, "line");}, goPageUp: function(cm) {cm.moveV(-1, "page");}, goPageDown: function(cm) {cm.moveV(1, "page");}, goCharLeft: function(cm) {cm.moveH(-1, "char");}, goCharRight: function(cm) {cm.moveH(1, "char");}, goColumnLeft: function(cm) {cm.moveH(-1, "column");}, goColumnRight: function(cm) {cm.moveH(1, "column");}, goWordLeft: function(cm) {cm.moveH(-1, "word");}, goGroupRight: function(cm) {cm.moveH(1, "group");}, goGroupLeft: function(cm) {cm.moveH(-1, "group");}, goWordRight: function(cm) {cm.moveH(1, "word");}, delCharBefore: function(cm) {cm.deleteH(-1, "char");}, delCharAfter: function(cm) {cm.deleteH(1, "char");}, delWordBefore: function(cm) {cm.deleteH(-1, "word");}, delWordAfter: function(cm) {cm.deleteH(1, "word");}, delGroupBefore: function(cm) {cm.deleteH(-1, "group");}, delGroupAfter: function(cm) {cm.deleteH(1, "group");}, indentAuto: function(cm) {cm.indentSelection("smart");}, indentMore: function(cm) {cm.indentSelection("add");}, indentLess: function(cm) {cm.indentSelection("subtract");}, insertTab: function(cm) {cm.replaceSelection("\t");}, insertSoftTab: function(cm) { var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize; for (var i = 0; i < ranges.length; i++) { var pos = ranges[i].from(); var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize); spaces.push(spaceStr(tabSize - col % tabSize)); } cm.replaceSelections(spaces); }, defaultTab: function(cm) { if (cm.somethingSelected()) cm.indentSelection("add"); else cm.execCommand("insertTab"); }, transposeChars: function(cm) { runInOp(cm, function() { var ranges = cm.listSelections(), newSel = []; for (var i = 0; i < ranges.length; i++) { var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text; if (line) { if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1); if (cur.ch > 0) { cur = new Pos(cur.line, cur.ch + 1); cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2), Pos(cur.line, cur.ch - 2), cur, "+transpose"); } else if (cur.line > cm.doc.first) { var prev = getLine(cm.doc, cur.line - 1).text; if (prev) cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() + prev.charAt(prev.length - 1), Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose"); } } newSel.push(new Range(cur, cur)); } cm.setSelections(newSel); }); }, newlineAndIndent: function(cm) { runInOp(cm, function() { var len = cm.listSelections().length; for (var i = 0; i < len; i++) { var range = cm.listSelections()[i]; cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input"); cm.indentLine(range.from().line + 1, null, true); } ensureCursorVisible(cm); }); }, openLine: function(cm) {cm.replaceSelection("\n", "start")}, toggleOverwrite: function(cm) {cm.toggleOverwrite();} }; // STANDARD KEYMAPS var keyMap = CodeMirror.keyMap = {}; keyMap.basic = { "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown", "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown", "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore", "Tab": "defaultTab", "Shift-Tab": "indentAuto", "Enter": "newlineAndIndent", "Insert": "toggleOverwrite", "Esc": "singleSelection" }; // Note that the save and find-related commands aren't defined by // default. User code or addons can define them. Unknown commands // are simply ignored. keyMap.pcDefault = { "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo", "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown", "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd", "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find", "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll", "Ctrl-[": "indentLess", "Ctrl-]": "indentMore", "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection", fallthrough: "basic" }; // Very basic readline/emacs-style bindings, which are standard on Mac. keyMap.emacsy = { "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars", "Ctrl-O": "openLine" }; keyMap.macDefault = { "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo", "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft", "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore", "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find", "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll", "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight", "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd", fallthrough: ["basic", "emacsy"] }; keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault; // KEYMAP DISPATCH function normalizeKeyName(name) { var parts = name.split(/-(?!$)/), name = parts[parts.length - 1]; var alt, ctrl, shift, cmd; for (var i = 0; i < parts.length - 1; i++) { var mod = parts[i]; if (/^(cmd|meta|m)$/i.test(mod)) cmd = true; else if (/^a(lt)?$/i.test(mod)) alt = true; else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true; else if (/^s(hift)$/i.test(mod)) shift = true; else throw new Error("Unrecognized modifier name: " + mod); } if (alt) name = "Alt-" + name; if (ctrl) name = "Ctrl-" + name; if (cmd) name = "Cmd-" + name; if (shift) name = "Shift-" + name; return name; } // This is a kludge to keep keymaps mostly working as raw objects // (backwards compatibility) while at the same time support features // like normalization and multi-stroke key bindings. It compiles a // new normalized keymap, and then updates the old object to reflect // this. CodeMirror.normalizeKeyMap = function(keymap) { var copy = {}; for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) { var value = keymap[keyname]; if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue; if (value == "...") { delete keymap[keyname]; continue; } var keys = map(keyname.split(" "), normalizeKeyName); for (var i = 0; i < keys.length; i++) { var val, name; if (i == keys.length - 1) { name = keys.join(" "); val = value; } else { name = keys.slice(0, i + 1).join(" "); val = "..."; } var prev = copy[name]; if (!prev) copy[name] = val; else if (prev != val) throw new Error("Inconsistent bindings for " + name); } delete keymap[keyname]; } for (var prop in copy) keymap[prop] = copy[prop]; return keymap; }; var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) { map = getKeyMap(map); var found = map.call ? map.call(key, context) : map[key]; if (found === false) return "nothing"; if (found === "...") return "multi"; if (found != null && handle(found)) return "handled"; if (map.fallthrough) { if (Object.prototype.toString.call(map.fallthrough) != "[object Array]") return lookupKey(key, map.fallthrough, handle, context); for (var i = 0; i < map.fallthrough.length; i++) { var result = lookupKey(key, map.fallthrough[i], handle, context); if (result) return result; } } }; // Modifier key presses don't count as 'real' key presses for the // purpose of keymap fallthrough. var isModifierKey = CodeMirror.isModifierKey = function(value) { var name = typeof value == "string" ? value : keyNames[value.keyCode]; return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"; }; // Look up the name of a key as indicated by an event object. var keyName = CodeMirror.keyName = function(event, noShift) { if (presto && event.keyCode == 34 && event["char"]) return false; var base = keyNames[event.keyCode], name = base; if (name == null || event.altGraphKey) return false; if (event.altKey && base != "Alt") name = "Alt-" + name; if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name; if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name; if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name; return name; }; function getKeyMap(val) { return typeof val == "string" ? keyMap[val] : val; } // FROMTEXTAREA CodeMirror.fromTextArea = function(textarea, options) { options = options ? copyObj(options) : {}; options.value = textarea.value; if (!options.tabindex && textarea.tabIndex) options.tabindex = textarea.tabIndex; if (!options.placeholder && textarea.placeholder) options.placeholder = textarea.placeholder; // Set autofocus to true if this textarea is focused, or if it has // autofocus and no other element is focused. if (options.autofocus == null) { var hasFocus = activeElt(); options.autofocus = hasFocus == textarea || textarea.getAttribute("autofocus") != null && hasFocus == document.body; } function save() {textarea.value = cm.getValue();} if (textarea.form) { on(textarea.form, "submit", save); // Deplorable hack to make the submit method do the right thing. if (!options.leaveSubmitMethodAlone) { var form = textarea.form, realSubmit = form.submit; try { var wrappedSubmit = form.submit = function() { save(); form.submit = realSubmit; form.submit(); form.submit = wrappedSubmit; }; } catch(e) {} } } options.finishInit = function(cm) { cm.save = save; cm.getTextArea = function() { return textarea; }; cm.toTextArea = function() { cm.toTextArea = isNaN; // Prevent this from being ran twice save(); textarea.parentNode.removeChild(cm.getWrapperElement()); textarea.style.display = ""; if (textarea.form) { off(textarea.form, "submit", save); if (typeof textarea.form.submit == "function") textarea.form.submit = realSubmit; } }; }; textarea.style.display = "none"; var cm = CodeMirror(function(node) { textarea.parentNode.insertBefore(node, textarea.nextSibling); }, options); return cm; }; // STRING STREAM // Fed to the mode parsers, provides helper functions to make // parsers more succinct. var StringStream = CodeMirror.StringStream = function(string, tabSize) { this.pos = this.start = 0; this.string = string; this.tabSize = tabSize || 8; this.lastColumnPos = this.lastColumnValue = 0; this.lineStart = 0; }; StringStream.prototype = { eol: function() {return this.pos >= this.string.length;}, sol: function() {return this.pos == this.lineStart;}, peek: function() {return this.string.charAt(this.pos) || undefined;}, next: function() { if (this.pos < this.string.length) return this.string.charAt(this.pos++); }, eat: function(match) { var ch = this.string.charAt(this.pos); if (typeof match == "string") var ok = ch == match; else var ok = ch && (match.test ? match.test(ch) : match(ch)); if (ok) {++this.pos; return ch;} }, eatWhile: function(match) { var start = this.pos; while (this.eat(match)){} return this.pos > start; }, eatSpace: function() { var start = this.pos; while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos; return this.pos > start; }, skipToEnd: function() {this.pos = this.string.length;}, skipTo: function(ch) { var found = this.string.indexOf(ch, this.pos); if (found > -1) {this.pos = found; return true;} }, backUp: function(n) {this.pos -= n;}, column: function() { if (this.lastColumnPos < this.start) { this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue); this.lastColumnPos = this.start; } return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); }, indentation: function() { return countColumn(this.string, null, this.tabSize) - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0); }, match: function(pattern, consume, caseInsensitive) { if (typeof pattern == "string") { var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;}; var substr = this.string.substr(this.pos, pattern.length); if (cased(substr) == cased(pattern)) { if (consume !== false) this.pos += pattern.length; return true; } } else { var match = this.string.slice(this.pos).match(pattern); if (match && match.index > 0) return null; if (match && consume !== false) this.pos += match[0].length; return match; } }, current: function(){return this.string.slice(this.start, this.pos);}, hideFirstChars: function(n, inner) { this.lineStart += n; try { return inner(); } finally { this.lineStart -= n; } } }; // TEXTMARKERS // Created with markText and setBookmark methods. A TextMarker is a // handle that can be used to clear or find a marked position in the // document. Line objects hold arrays (markedSpans) containing // {from, to, marker} object pointing to such marker objects, and // indicating that such a marker is present on that line. Multiple // lines may point to the same marker when it spans across lines. // The spans will have null for their from/to properties when the // marker continues beyond the start/end of the line. Markers have // links back to the lines they currently touch. var nextMarkerId = 0; var TextMarker = CodeMirror.TextMarker = function(doc, type) { this.lines = []; this.type = type; this.doc = doc; this.id = ++nextMarkerId; }; eventMixin(TextMarker); // Clear the marker. TextMarker.prototype.clear = function() { if (this.explicitlyCleared) return; var cm = this.doc.cm, withOp = cm && !cm.curOp; if (withOp) startOperation(cm); if (hasHandler(this, "clear")) { var found = this.find(); if (found) signalLater(this, "clear", found.from, found.to); } var min = null, max = null; for (var i = 0; i < this.lines.length; ++i) { var line = this.lines[i]; var span = getMarkedSpanFor(line.markedSpans, this); if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text"); else if (cm) { if (span.to != null) max = lineNo(line); if (span.from != null) min = lineNo(line); } line.markedSpans = removeMarkedSpan(line.markedSpans, span); if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm) updateLineHeight(line, textHeight(cm.display)); } if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) { var visual = visualLine(this.lines[i]), len = lineLength(visual); if (len > cm.display.maxLineLength) { cm.display.maxLine = visual; cm.display.maxLineLength = len; cm.display.maxLineChanged = true; } } if (min != null && cm && this.collapsed) regChange(cm, min, max + 1); this.lines.length = 0; this.explicitlyCleared = true; if (this.atomic && this.doc.cantEdit) { this.doc.cantEdit = false; if (cm) reCheckSelection(cm.doc); } if (cm) signalLater(cm, "markerCleared", cm, this); if (withOp) endOperation(cm); if (this.parent) this.parent.clear(); }; // Find the position of the marker in the document. Returns a {from, // to} object by default. Side can be passed to get a specific side // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the // Pos objects returned contain a line object, rather than a line // number (used to prevent looking up the same line twice). TextMarker.prototype.find = function(side, lineObj) { if (side == null && this.type == "bookmark") side = 1; var from, to; for (var i = 0; i < this.lines.length; ++i) { var line = this.lines[i]; var span = getMarkedSpanFor(line.markedSpans, this); if (span.from != null) { from = Pos(lineObj ? line : lineNo(line), span.from); if (side == -1) return from; } if (span.to != null) { to = Pos(lineObj ? line : lineNo(line), span.to); if (side == 1) return to; } } return from && {from: from, to: to}; }; // Signals that the marker's widget changed, and surrounding layout // should be recomputed. TextMarker.prototype.changed = function() { var pos = this.find(-1, true), widget = this, cm = this.doc.cm; if (!pos || !cm) return; runInOp(cm, function() { var line = pos.line, lineN = lineNo(pos.line); var view = findViewForLine(cm, lineN); if (view) { clearLineMeasurementCacheFor(view); cm.curOp.selectionChanged = cm.curOp.forceUpdate = true; } cm.curOp.updateMaxLine = true; if (!lineIsHidden(widget.doc, line) && widget.height != null) { var oldHeight = widget.height; widget.height = null; var dHeight = widgetHeight(widget) - oldHeight; if (dHeight) updateLineHeight(line, line.height + dHeight); } }); }; TextMarker.prototype.attachLine = function(line) { if (!this.lines.length && this.doc.cm) { var op = this.doc.cm.curOp; if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1) (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); } this.lines.push(line); }; TextMarker.prototype.detachLine = function(line) { this.lines.splice(indexOf(this.lines, line), 1); if (!this.lines.length && this.doc.cm) { var op = this.doc.cm.curOp; (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this); } }; // Collapsed markers have unique ids, in order to be able to order // them, which is needed for uniquely determining an outer marker // when they overlap (they may nest, but not partially overlap). var nextMarkerId = 0; // Create a marker, wire it up to the right lines, and function markText(doc, from, to, options, type) { // Shared markers (across linked documents) are handled separately // (markTextShared will call out to this again, once per // document). if (options && options.shared) return markTextShared(doc, from, to, options, type); // Ensure we are in an operation. if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type); var marker = new TextMarker(doc, type), diff = cmp(from, to); if (options) copyObj(options, marker, false); // Don't connect empty markers unless clearWhenEmpty is false if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false) return marker; if (marker.replacedWith) { // Showing up as a widget implies collapsed (widget replaces text) marker.collapsed = true; marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget"); if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true"); if (options.insertLeft) marker.widgetNode.insertLeft = true; } if (marker.collapsed) { if (conflictingCollapsedRange(doc, from.line, from, to, marker) || from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker)) throw new Error("Inserting collapsed marker partially overlapping an existing one"); sawCollapsedSpans = true; } if (marker.addToHistory) addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); var curLine = from.line, cm = doc.cm, updateMaxLine; doc.iter(curLine, to.line + 1, function(line) { if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine) updateMaxLine = true; if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0); addMarkedSpan(line, new MarkedSpan(marker, curLine == from.line ? from.ch : null, curLine == to.line ? to.ch : null)); ++curLine; }); // lineIsHidden depends on the presence of the spans, so needs a second pass if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) { if (lineIsHidden(doc, line)) updateLineHeight(line, 0); }); if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); }); if (marker.readOnly) { sawReadOnlySpans = true; if (doc.history.done.length || doc.history.undone.length) doc.clearHistory(); } if (marker.collapsed) { marker.id = ++nextMarkerId; marker.atomic = true; } if (cm) { // Sync editor state if (updateMaxLine) cm.curOp.updateMaxLine = true; if (marker.collapsed) regChange(cm, from.line, to.line + 1); else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css) for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text"); if (marker.atomic) reCheckSelection(cm.doc); signalLater(cm, "markerAdded", cm, marker); } return marker; } // SHARED TEXTMARKERS // A shared marker spans multiple linked documents. It is // implemented as a meta-marker-object controlling multiple normal // markers. var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) { this.markers = markers; this.primary = primary; for (var i = 0; i < markers.length; ++i) markers[i].parent = this; }; eventMixin(SharedTextMarker); SharedTextMarker.prototype.clear = function() { if (this.explicitlyCleared) return; this.explicitlyCleared = true; for (var i = 0; i < this.markers.length; ++i) this.markers[i].clear(); signalLater(this, "clear"); }; SharedTextMarker.prototype.find = function(side, lineObj) { return this.primary.find(side, lineObj); }; function markTextShared(doc, from, to, options, type) { options = copyObj(options); options.shared = false; var markers = [markText(doc, from, to, options, type)], primary = markers[0]; var widget = options.widgetNode; linkedDocs(doc, function(doc) { if (widget) options.widgetNode = widget.cloneNode(true); markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type)); for (var i = 0; i < doc.linked.length; ++i) if (doc.linked[i].isParent) return; primary = lst(markers); }); return new SharedTextMarker(markers, primary); } function findSharedMarkers(doc) { return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function(m) { return m.parent; }); } function copySharedMarkers(doc, markers) { for (var i = 0; i < markers.length; i++) { var marker = markers[i], pos = marker.find(); var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to); if (cmp(mFrom, mTo)) { var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type); marker.markers.push(subMark); subMark.parent = marker; } } } function detachSharedMarkers(markers) { for (var i = 0; i < markers.length; i++) { var marker = markers[i], linked = [marker.primary.doc];; linkedDocs(marker.primary.doc, function(d) { linked.push(d); }); for (var j = 0; j < marker.markers.length; j++) { var subMarker = marker.markers[j]; if (indexOf(linked, subMarker.doc) == -1) { subMarker.parent = null; marker.markers.splice(j--, 1); } } } } // TEXTMARKER SPANS function MarkedSpan(marker, from, to) { this.marker = marker; this.from = from; this.to = to; } // Search an array of spans for a span matching the given marker. function getMarkedSpanFor(spans, marker) { if (spans) for (var i = 0; i < spans.length; ++i) { var span = spans[i]; if (span.marker == marker) return span; } } // Remove a span from an array, returning undefined if no spans are // left (we don't store arrays for lines without spans). function removeMarkedSpan(spans, span) { for (var r, i = 0; i < spans.length; ++i) if (spans[i] != span) (r || (r = [])).push(spans[i]); return r; } // Add a span to a line. function addMarkedSpan(line, span) { line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]; span.marker.attachLine(line); } // Used for the algorithm that adjusts markers for a change in the // document. These functions cut an array of spans at a given // character position, returning an array of remaining chunks (or // undefined if nothing remains). function markedSpansBefore(old, startCh, isInsert) { if (old) for (var i = 0, nw; i < old.length; ++i) { var span = old[i], marker = span.marker; var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh); if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) { var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh); (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to)); } } return nw; } function markedSpansAfter(old, endCh, isInsert) { if (old) for (var i = 0, nw; i < old.length; ++i) { var span = old[i], marker = span.marker; var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh); if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) { var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh); (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh, span.to == null ? null : span.to - endCh)); } } return nw; } // Given a change object, compute the new set of marker spans that // cover the line in which the change took place. Removes spans // entirely within the change, reconnects spans belonging to the // same marker that appear on both sides of the change, and cuts off // spans partially within the change. Returns an array of span // arrays with one element for each line in (after) the change. function stretchSpansOverChange(doc, change) { if (change.full) return null; var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans; var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans; if (!oldFirst && !oldLast) return null; var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0; // Get the spans that 'stick out' on both sides var first = markedSpansBefore(oldFirst, startCh, isInsert); var last = markedSpansAfter(oldLast, endCh, isInsert); // Next, merge those two ends var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0); if (first) { // Fix up .to properties of first for (var i = 0; i < first.length; ++i) { var span = first[i]; if (span.to == null) { var found = getMarkedSpanFor(last, span.marker); if (!found) span.to = startCh; else if (sameLine) span.to = found.to == null ? null : found.to + offset; } } } if (last) { // Fix up .from in last (or move them into first in case of sameLine) for (var i = 0; i < last.length; ++i) { var span = last[i]; if (span.to != null) span.to += offset; if (span.from == null) { var found = getMarkedSpanFor(first, span.marker); if (!found) { span.from = offset; if (sameLine) (first || (first = [])).push(span); } } else { span.from += offset; if (sameLine) (first || (first = [])).push(span); } } } // Make sure we didn't create any zero-length spans if (first) first = clearEmptySpans(first); if (last && last != first) last = clearEmptySpans(last); var newMarkers = [first]; if (!sameLine) { // Fill gap with whole-line-spans var gap = change.text.length - 2, gapMarkers; if (gap > 0 && first) for (var i = 0; i < first.length; ++i) if (first[i].to == null) (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null)); for (var i = 0; i < gap; ++i) newMarkers.push(gapMarkers); newMarkers.push(last); } return newMarkers; } // Remove spans that are empty and don't have a clearWhenEmpty // option of false. function clearEmptySpans(spans) { for (var i = 0; i < spans.length; ++i) { var span = spans[i]; if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false) spans.splice(i--, 1); } if (!spans.length) return null; return spans; } // Used for un/re-doing changes from the history. Combines the // result of computing the existing spans with the set of spans that // existed in the history (so that deleting around a span and then // undoing brings back the span). function mergeOldSpans(doc, change) { var old = getOldSpans(doc, change); var stretched = stretchSpansOverChange(doc, change); if (!old) return stretched; if (!stretched) return old; for (var i = 0; i < old.length; ++i) { var oldCur = old[i], stretchCur = stretched[i]; if (oldCur && stretchCur) { spans: for (var j = 0; j < stretchCur.length; ++j) { var span = stretchCur[j]; for (var k = 0; k < oldCur.length; ++k) if (oldCur[k].marker == span.marker) continue spans; oldCur.push(span); } } else if (stretchCur) { old[i] = stretchCur; } } return old; } // Used to 'clip' out readOnly ranges when making a change. function removeReadOnlyRanges(doc, from, to) { var markers = null; doc.iter(from.line, to.line + 1, function(line) { if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) { var mark = line.markedSpans[i].marker; if (mark.readOnly && (!markers || indexOf(markers, mark) == -1)) (markers || (markers = [])).push(mark); } }); if (!markers) return null; var parts = [{from: from, to: to}]; for (var i = 0; i < markers.length; ++i) { var mk = markers[i], m = mk.find(0); for (var j = 0; j < parts.length; ++j) { var p = parts[j]; if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue; var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to); if (dfrom < 0 || !mk.inclusiveLeft && !dfrom) newParts.push({from: p.from, to: m.from}); if (dto > 0 || !mk.inclusiveRight && !dto) newParts.push({from: m.to, to: p.to}); parts.splice.apply(parts, newParts); j += newParts.length - 1; } } return parts; } // Connect or disconnect spans from a line. function detachMarkedSpans(line) { var spans = line.markedSpans; if (!spans) return; for (var i = 0; i < spans.length; ++i) spans[i].marker.detachLine(line); line.markedSpans = null; } function attachMarkedSpans(line, spans) { if (!spans) return; for (var i = 0; i < spans.length; ++i) spans[i].marker.attachLine(line); line.markedSpans = spans; } // Helpers used when computing which overlapping collapsed span // counts as the larger one. function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; } function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; } // Returns a number indicating which of two overlapping collapsed // spans is larger (and thus includes the other). Falls back to // comparing ids when the spans cover exactly the same range. function compareCollapsedMarkers(a, b) { var lenDiff = a.lines.length - b.lines.length; if (lenDiff != 0) return lenDiff; var aPos = a.find(), bPos = b.find(); var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b); if (fromCmp) return -fromCmp; var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b); if (toCmp) return toCmp; return b.id - a.id; } // Find out whether a line ends or starts in a collapsed span. If // so, return the marker for that span. function collapsedSpanAtSide(line, start) { var sps = sawCollapsedSpans && line.markedSpans, found; if (sps) for (var sp, i = 0; i < sps.length; ++i) { sp = sps[i]; if (sp.marker.collapsed && (start ? sp.from : sp.to) == null && (!found || compareCollapsedMarkers(found, sp.marker) < 0)) found = sp.marker; } return found; } function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); } function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); } // Test whether there exists a collapsed span that partially // overlaps (covers the start or end, but not both) of a new span. // Such overlap is not allowed. function conflictingCollapsedRange(doc, lineNo, from, to, marker) { var line = getLine(doc, lineNo); var sps = sawCollapsedSpans && line.markedSpans; if (sps) for (var i = 0; i < sps.length; ++i) { var sp = sps[i]; if (!sp.marker.collapsed) continue; var found = sp.marker.find(0); var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker); var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker); if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue; if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) || fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0)) return true; } } // A visual line is a line as drawn on the screen. Folding, for // example, can cause multiple logical lines to appear on the same // visual line. This finds the start of the visual line that the // given line is part of (usually that is the line itself). function visualLine(line) { var merged; while (merged = collapsedSpanAtStart(line)) line = merged.find(-1, true).line; return line; } // Returns an array of logical lines that continue the visual line // started by the argument, or undefined if there are no such lines. function visualLineContinued(line) { var merged, lines; while (merged = collapsedSpanAtEnd(line)) { line = merged.find(1, true).line; (lines || (lines = [])).push(line); } return lines; } // Get the line number of the start of the visual line that the // given line number is part of. function visualLineNo(doc, lineN) { var line = getLine(doc, lineN), vis = visualLine(line); if (line == vis) return lineN; return lineNo(vis); } // Get the line number of the start of the next visual line after // the given line. function visualLineEndNo(doc, lineN) { if (lineN > doc.lastLine()) return lineN; var line = getLine(doc, lineN), merged; if (!lineIsHidden(doc, line)) return lineN; while (merged = collapsedSpanAtEnd(line)) line = merged.find(1, true).line; return lineNo(line) + 1; } // Compute whether a line is hidden. Lines count as hidden when they // are part of a visual line that starts with another line, or when // they are entirely covered by collapsed, non-widget span. function lineIsHidden(doc, line) { var sps = sawCollapsedSpans && line.markedSpans; if (sps) for (var sp, i = 0; i < sps.length; ++i) { sp = sps[i]; if (!sp.marker.collapsed) continue; if (sp.from == null) return true; if (sp.marker.widgetNode) continue; if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp)) return true; } } function lineIsHiddenInner(doc, line, span) { if (span.to == null) { var end = span.marker.find(1, true); return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker)); } if (span.marker.inclusiveRight && span.to == line.text.length) return true; for (var sp, i = 0; i < line.markedSpans.length; ++i) { sp = line.markedSpans[i]; if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to && (sp.to == null || sp.to != span.from) && (sp.marker.inclusiveLeft || span.marker.inclusiveRight) && lineIsHiddenInner(doc, line, sp)) return true; } } // LINE WIDGETS // Line widgets are block elements displayed above or below a line. var LineWidget = CodeMirror.LineWidget = function(doc, node, options) { if (options) for (var opt in options) if (options.hasOwnProperty(opt)) this[opt] = options[opt]; this.doc = doc; this.node = node; }; eventMixin(LineWidget); function adjustScrollWhenAboveVisible(cm, line, diff) { if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop)) addToScrollPos(cm, null, diff); } LineWidget.prototype.clear = function() { var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line); if (no == null || !ws) return; for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1); if (!ws.length) line.widgets = null; var height = widgetHeight(this); updateLineHeight(line, Math.max(0, line.height - height)); if (cm) runInOp(cm, function() { adjustScrollWhenAboveVisible(cm, line, -height); regLineChange(cm, no, "widget"); }); }; LineWidget.prototype.changed = function() { var oldH = this.height, cm = this.doc.cm, line = this.line; this.height = null; var diff = widgetHeight(this) - oldH; if (!diff) return; updateLineHeight(line, line.height + diff); if (cm) runInOp(cm, function() { cm.curOp.forceUpdate = true; adjustScrollWhenAboveVisible(cm, line, diff); }); }; function widgetHeight(widget) { if (widget.height != null) return widget.height; var cm = widget.doc.cm; if (!cm) return 0; if (!contains(document.body, widget.node)) { var parentStyle = "position: relative;"; if (widget.coverGutter) parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; if (widget.noHScroll) parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle)); } return widget.height = widget.node.parentNode.offsetHeight; } function addLineWidget(doc, handle, node, options) { var widget = new LineWidget(doc, node, options); var cm = doc.cm; if (cm && widget.noHScroll) cm.display.alignWidgets = true; changeLine(doc, handle, "widget", function(line) { var widgets = line.widgets || (line.widgets = []); if (widget.insertAt == null) widgets.push(widget); else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); widget.line = line; if (cm && !lineIsHidden(doc, line)) { var aboveVisible = heightAtLine(line) < doc.scrollTop; updateLineHeight(line, line.height + widgetHeight(widget)); if (aboveVisible) addToScrollPos(cm, null, widget.height); cm.curOp.forceUpdate = true; } return true; }); return widget; } // LINE DATA STRUCTURE // Line objects. These hold state related to a line, including // highlighting info (the styles array). var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) { this.text = text; attachMarkedSpans(this, markedSpans); this.height = estimateHeight ? estimateHeight(this) : 1; }; eventMixin(Line); Line.prototype.lineNo = function() { return lineNo(this); }; // Change the content (text, markers) of a line. Automatically // invalidates cached information and tries to re-estimate the // line's height. function updateLine(line, text, markedSpans, estimateHeight) { line.text = text; if (line.stateAfter) line.stateAfter = null; if (line.styles) line.styles = null; if (line.order != null) line.order = null; detachMarkedSpans(line); attachMarkedSpans(line, markedSpans); var estHeight = estimateHeight ? estimateHeight(line) : 1; if (estHeight != line.height) updateLineHeight(line, estHeight); } // Detach a line from the document tree and its markers. function cleanUpLine(line) { line.parent = null; detachMarkedSpans(line); } function extractLineClasses(type, output) { if (type) for (;;) { var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/); if (!lineClass) break; type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length); var prop = lineClass[1] ? "bgClass" : "textClass"; if (output[prop] == null) output[prop] = lineClass[2]; else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop])) output[prop] += " " + lineClass[2]; } return type; } function callBlankLine(mode, state) { if (mode.blankLine) return mode.blankLine(state); if (!mode.innerMode) return; var inner = CodeMirror.innerMode(mode, state); if (inner.mode.blankLine) return inner.mode.blankLine(inner.state); } function readToken(mode, stream, state, inner) { for (var i = 0; i < 10; i++) { if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode; var style = mode.token(stream, state); if (stream.pos > stream.start) return style; } throw new Error("Mode " + mode.name + " failed to advance stream."); } // Utility for getTokenAt and getLineTokens function takeToken(cm, pos, precise, asArray) { function getObj(copy) { return {start: stream.start, end: stream.pos, string: stream.current(), type: style || null, state: copy ? copyState(doc.mode, state) : state}; } var doc = cm.doc, mode = doc.mode, style; pos = clipPos(doc, pos); var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise); var stream = new StringStream(line.text, cm.options.tabSize), tokens; if (asArray) tokens = []; while ((asArray || stream.pos < pos.ch) && !stream.eol()) { stream.start = stream.pos; style = readToken(mode, stream, state); if (asArray) tokens.push(getObj(true)); } return asArray ? tokens : getObj(); } // Run the given mode's parser over a line, calling f for each token. function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) { var flattenSpans = mode.flattenSpans; if (flattenSpans == null) flattenSpans = cm.options.flattenSpans; var curStart = 0, curStyle = null; var stream = new StringStream(text, cm.options.tabSize), style; var inner = cm.options.addModeClass && [null]; if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses); while (!stream.eol()) { if (stream.pos > cm.options.maxHighlightLength) { flattenSpans = false; if (forceToEnd) processLine(cm, text, state, stream.pos); stream.pos = text.length; style = null; } else { style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses); } if (inner) { var mName = inner[0].name; if (mName) style = "m-" + (style ? mName + " " + style : mName); } if (!flattenSpans || curStyle != style) { while (curStart < stream.start) { curStart = Math.min(stream.start, curStart + 50000); f(curStart, curStyle); } curStyle = style; } stream.start = stream.pos; } while (curStart < stream.pos) { // Webkit seems to refuse to render text nodes longer than 57444 characters var pos = Math.min(stream.pos, curStart + 50000); f(pos, curStyle); curStart = pos; } } // Compute a style array (an array starting with a mode generation // -- for invalidation -- followed by pairs of end positions and // style strings), which is used to highlight the tokens on the // line. function highlightLine(cm, line, state, forceToEnd) { // A styles array always starts with a number identifying the // mode/overlays that it is based on (for easy invalidation). var st = [cm.state.modeGen], lineClasses = {}; // Compute the base array of styles runMode(cm, line.text, cm.doc.mode, state, function(end, style) { st.push(end, style); }, lineClasses, forceToEnd); // Run overlays, adjust style array. for (var o = 0; o < cm.state.overlays.length; ++o) { var overlay = cm.state.overlays[o], i = 1, at = 0; runMode(cm, line.text, overlay.mode, true, function(end, style) { var start = i; // Ensure there's a token end at the current position, and that i points at it while (at < end) { var i_end = st[i]; if (i_end > end) st.splice(i, 1, end, st[i+1], i_end); i += 2; at = Math.min(end, i_end); } if (!style) return; if (overlay.opaque) { st.splice(start, i - start, end, "cm-overlay " + style); i = start + 2; } else { for (; start < i; start += 2) { var cur = st[start+1]; st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style; } } }, lineClasses); } return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}; } function getLineStyles(cm, line, updateFrontier) { if (!line.styles || line.styles[0] != cm.state.modeGen) { var state = getStateBefore(cm, lineNo(line)); var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state); line.stateAfter = state; line.styles = result.styles; if (result.classes) line.styleClasses = result.classes; else if (line.styleClasses) line.styleClasses = null; if (updateFrontier === cm.doc.frontier) cm.doc.frontier++; } return line.styles; } // Lightweight form of highlight -- proceed over this line and // update state, but don't save a style array. Used for lines that // aren't currently visible. function processLine(cm, text, state, startAt) { var mode = cm.doc.mode; var stream = new StringStream(text, cm.options.tabSize); stream.start = stream.pos = startAt || 0; if (text == "") callBlankLine(mode, state); while (!stream.eol()) { readToken(mode, stream, state); stream.start = stream.pos; } } // Convert a style as returned by a mode (either null, or a string // containing one or more styles) to a CSS style. This is cached, // and also looks for line-wide styles. var styleToClassCache = {}, styleToClassCacheWithMode = {}; function interpretTokenStyle(style, options) { if (!style || /^\s*$/.test(style)) return null; var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache; return cache[style] || (cache[style] = style.replace(/\S+/g, "cm-$&")); } // Render the DOM representation of the text of a line. Also builds // up a 'line map', which points at the DOM nodes that represent // specific stretches of text, and is used by the measuring code. // The returned object contains the DOM node, this map, and // information about line-wide styles that were set by the mode. function buildLineContent(cm, lineView) { // The padding-right forces the element to have a 'border', which // is needed on Webkit to be able to get line-level bounding // rectangles for it (in measureChar). var content = elt("span", null, null, webkit ? "padding-right: .1px" : null); var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content, col: 0, pos: 0, cm: cm, splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")}; lineView.measure = {}; // Iterate over the logical lines that make up this visual line. for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) { var line = i ? lineView.rest[i - 1] : lineView.line, order; builder.pos = 0; builder.addToken = buildToken; // Optionally wire in some hacks into the token-rendering // algorithm, to deal with browser quirks. if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line))) builder.addToken = buildTokenBadBidi(builder.addToken, order); builder.map = []; var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line); insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate)); if (line.styleClasses) { if (line.styleClasses.bgClass) builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); if (line.styleClasses.textClass) builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); } // Ensure at least a single node is present, for measuring. if (builder.map.length == 0) builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); // Store the map and a cache object for the current logical line if (i == 0) { lineView.measure.map = builder.map; lineView.measure.cache = {}; } else { (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map); (lineView.measure.caches || (lineView.measure.caches = [])).push({}); } } // See issue #2901 if (webkit) { var last = builder.content.lastChild if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab"))) builder.content.className = "cm-tab-wrap-hack"; } signal(cm, "renderLine", cm, lineView.line, builder.pre); if (builder.pre.className) builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); return builder; } function defaultSpecialCharPlaceholder(ch) { var token = elt("span", "\u2022", "cm-invalidchar"); token.title = "\\u" + ch.charCodeAt(0).toString(16); token.setAttribute("aria-label", token.title); return token; } // Build up the DOM representation for a single token, and add it to // the line map. Takes care to render special characters separately. function buildToken(builder, text, style, startStyle, endStyle, title, css) { if (!text) return; var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text; var special = builder.cm.state.specialChars, mustWrap = false; if (!special.test(text)) { builder.col += text.length; var content = document.createTextNode(displayText); builder.map.push(builder.pos, builder.pos + text.length, content); if (ie && ie_version < 9) mustWrap = true; builder.pos += text.length; } else { var content = document.createDocumentFragment(), pos = 0; while (true) { special.lastIndex = pos; var m = special.exec(text); var skipped = m ? m.index - pos : text.length - pos; if (skipped) { var txt = document.createTextNode(displayText.slice(pos, pos + skipped)); if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); else content.appendChild(txt); builder.map.push(builder.pos, builder.pos + skipped, txt); builder.col += skipped; builder.pos += skipped; } if (!m) break; pos += skipped + 1; if (m[0] == "\t") { var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize; var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab")); txt.setAttribute("role", "presentation"); txt.setAttribute("cm-text", "\t"); builder.col += tabWidth; } else if (m[0] == "\r" || m[0] == "\n") { var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar")); txt.setAttribute("cm-text", m[0]); builder.col += 1; } else { var txt = builder.cm.options.specialCharPlaceholder(m[0]); txt.setAttribute("cm-text", m[0]); if (ie && ie_version < 9) content.appendChild(elt("span", [txt])); else content.appendChild(txt); builder.col += 1; } builder.map.push(builder.pos, builder.pos + 1, txt); builder.pos++; } } if (style || startStyle || endStyle || mustWrap || css) { var fullStyle = style || ""; if (startStyle) fullStyle += startStyle; if (endStyle) fullStyle += endStyle; var token = elt("span", [content], fullStyle, css); if (title) token.title = title; return builder.content.appendChild(token); } builder.content.appendChild(content); } function splitSpaces(old) { var out = " "; for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0"; out += " "; return out; } // Work around nonsense dimensions being reported for stretches of // right-to-left text. function buildTokenBadBidi(inner, order) { return function(builder, text, style, startStyle, endStyle, title, css) { style = style ? style + " cm-force-border" : "cm-force-border"; var start = builder.pos, end = start + text.length; for (;;) { // Find the part that overlaps with the start of this text for (var i = 0; i < order.length; i++) { var part = order[i]; if (part.to > start && part.from <= start) break; } if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css); inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css); startStyle = null; text = text.slice(part.to - start); start = part.to; } }; } function buildCollapsedSpan(builder, size, marker, ignoreWidget) { var widget = !ignoreWidget && marker.widgetNode; if (widget) builder.map.push(builder.pos, builder.pos + size, widget); if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) { if (!widget) widget = builder.content.appendChild(document.createElement("span")); widget.setAttribute("cm-marker", marker.id); } if (widget) { builder.cm.display.input.setUneditable(widget); builder.content.appendChild(widget); } builder.pos += size; } // Outputs a number of spans to make up a line, taking highlighting // and marked text into account. function insertLineContent(line, builder, styles) { var spans = line.markedSpans, allText = line.text, at = 0; if (!spans) { for (var i = 1; i < styles.length; i+=2) builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options)); return; } var len = allText.length, pos = 0, i = 1, text = "", style, css; var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed; for (;;) { if (nextChange == pos) { // Update current marker set spanStyle = spanEndStyle = spanStartStyle = title = css = ""; collapsed = null; nextChange = Infinity; var foundBookmarks = [], endStyles for (var j = 0; j < spans.length; ++j) { var sp = spans[j], m = sp.marker; if (m.type == "bookmark" && sp.from == pos && m.widgetNode) { foundBookmarks.push(m); } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) { if (sp.to != null && sp.to != pos && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; } if (m.className) spanStyle += " " + m.className; if (m.css) css = (css ? css + ";" : "") + m.css; if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle; if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to) if (m.title && !title) title = m.title; if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0)) collapsed = sp; } else if (sp.from > pos && nextChange > sp.from) { nextChange = sp.from; } } if (endStyles) for (var j = 0; j < endStyles.length; j += 2) if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j] if (!collapsed || collapsed.from == pos) for (var j = 0; j < foundBookmarks.length; ++j) buildCollapsedSpan(builder, 0, foundBookmarks[j]); if (collapsed && (collapsed.from || 0) == pos) { buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos, collapsed.marker, collapsed.from == null); if (collapsed.to == null) return; if (collapsed.to == pos) collapsed = false; } } if (pos >= len) break; var upto = Math.min(len, nextChange); while (true) { if (text) { var end = pos + text.length; if (!collapsed) { var tokenText = end > upto ? text.slice(0, upto - pos) : text; builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle, spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css); } if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;} pos = end; spanStartStyle = ""; } text = allText.slice(at, at = styles[i++]); style = interpretTokenStyle(styles[i++], builder.cm.options); } } } // DOCUMENT DATA STRUCTURE // By default, updates that start and end at the beginning of a line // are treated specially, in order to make the association of line // widgets and marker elements with the text behave more intuitive. function isWholeLineUpdate(doc, change) { return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" && (!doc.cm || doc.cm.options.wholeLineUpdateBefore); } // Perform a change on the document data structure. function updateDoc(doc, change, markedSpans, estimateHeight) { function spansFor(n) {return markedSpans ? markedSpans[n] : null;} function update(line, text, spans) { updateLine(line, text, spans, estimateHeight); signalLater(line, "change", line, change); } function linesFor(start, end) { for (var i = start, result = []; i < end; ++i) result.push(new Line(text[i], spansFor(i), estimateHeight)); return result; } var from = change.from, to = change.to, text = change.text; var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line); var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line; // Adjust the line structure if (change.full) { doc.insert(0, linesFor(0, text.length)); doc.remove(text.length, doc.size - text.length); } else if (isWholeLineUpdate(doc, change)) { // This is a whole-line replace. Treated specially to make // sure line objects move the way they are supposed to. var added = linesFor(0, text.length - 1); update(lastLine, lastLine.text, lastSpans); if (nlines) doc.remove(from.line, nlines); if (added.length) doc.insert(from.line, added); } else if (firstLine == lastLine) { if (text.length == 1) { update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans); } else { var added = linesFor(1, text.length - 1); added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight)); update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); doc.insert(from.line + 1, added); } } else if (text.length == 1) { update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0)); doc.remove(from.line + 1, nlines); } else { update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0)); update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans); var added = linesFor(1, text.length - 1); if (nlines > 1) doc.remove(from.line + 1, nlines - 1); doc.insert(from.line + 1, added); } signalLater(doc, "change", doc, change); } // The document is represented as a BTree consisting of leaves, with // chunk of lines in them, and branches, with up to ten leaves or // other branch nodes below them. The top node is always a branch // node, and is the document object itself (meaning it has // additional methods and properties). // // All nodes have parent links. The tree is used both to go from // line numbers to line objects, and to go from objects to numbers. // It also indexes by height, and is used to convert between height // and line object, and to find the total height of the document. // // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html function LeafChunk(lines) { this.lines = lines; this.parent = null; for (var i = 0, height = 0; i < lines.length; ++i) { lines[i].parent = this; height += lines[i].height; } this.height = height; } LeafChunk.prototype = { chunkSize: function() { return this.lines.length; }, // Remove the n lines at offset 'at'. removeInner: function(at, n) { for (var i = at, e = at + n; i < e; ++i) { var line = this.lines[i]; this.height -= line.height; cleanUpLine(line); signalLater(line, "delete"); } this.lines.splice(at, n); }, // Helper used to collapse a small branch into a single leaf. collapse: function(lines) { lines.push.apply(lines, this.lines); }, // Insert the given array of lines at offset 'at', count them as // having the given height. insertInner: function(at, lines, height) { this.height += height; this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at)); for (var i = 0; i < lines.length; ++i) lines[i].parent = this; }, // Used to iterate over a part of the tree. iterN: function(at, n, op) { for (var e = at + n; at < e; ++at) if (op(this.lines[at])) return true; } }; function BranchChunk(children) { this.children = children; var size = 0, height = 0; for (var i = 0; i < children.length; ++i) { var ch = children[i]; size += ch.chunkSize(); height += ch.height; ch.parent = this; } this.size = size; this.height = height; this.parent = null; } BranchChunk.prototype = { chunkSize: function() { return this.size; }, removeInner: function(at, n) { this.size -= n; for (var i = 0; i < this.children.length; ++i) { var child = this.children[i], sz = child.chunkSize(); if (at < sz) { var rm = Math.min(n, sz - at), oldHeight = child.height; child.removeInner(at, rm); this.height -= oldHeight - child.height; if (sz == rm) { this.children.splice(i--, 1); child.parent = null; } if ((n -= rm) == 0) break; at = 0; } else at -= sz; } // If the result is smaller than 25 lines, ensure that it is a // single leaf node. if (this.size - n < 25 && (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) { var lines = []; this.collapse(lines); this.children = [new LeafChunk(lines)]; this.children[0].parent = this; } }, collapse: function(lines) { for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines); }, insertInner: function(at, lines, height) { this.size += lines.length; this.height += height; for (var i = 0; i < this.children.length; ++i) { var child = this.children[i], sz = child.chunkSize(); if (at <= sz) { child.insertInner(at, lines, height); if (child.lines && child.lines.length > 50) { // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced. // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest. var remaining = child.lines.length % 25 + 25 for (var pos = remaining; pos < child.lines.length;) { var leaf = new LeafChunk(child.lines.slice(pos, pos += 25)); child.height -= leaf.height; this.children.splice(++i, 0, leaf); leaf.parent = this; } child.lines = child.lines.slice(0, remaining); this.maybeSpill(); } break; } at -= sz; } }, // When a node has grown, check whether it should be split. maybeSpill: function() { if (this.children.length <= 10) return; var me = this; do { var spilled = me.children.splice(me.children.length - 5, 5); var sibling = new BranchChunk(spilled); if (!me.parent) { // Become the parent node var copy = new BranchChunk(me.children); copy.parent = me; me.children = [copy, sibling]; me = copy; } else { me.size -= sibling.size; me.height -= sibling.height; var myIndex = indexOf(me.parent.children, me); me.parent.children.splice(myIndex + 1, 0, sibling); } sibling.parent = me.parent; } while (me.children.length > 10); me.parent.maybeSpill(); }, iterN: function(at, n, op) { for (var i = 0; i < this.children.length; ++i) { var child = this.children[i], sz = child.chunkSize(); if (at < sz) { var used = Math.min(n, sz - at); if (child.iterN(at, used, op)) return true; if ((n -= used) == 0) break; at = 0; } else at -= sz; } } }; var nextDocId = 0; var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) { if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep); if (firstLine == null) firstLine = 0; BranchChunk.call(this, [new LeafChunk([new Line("", null)])]); this.first = firstLine; this.scrollTop = this.scrollLeft = 0; this.cantEdit = false; this.cleanGeneration = 1; this.frontier = firstLine; var start = Pos(firstLine, 0); this.sel = simpleSelection(start); this.history = new History(null); this.id = ++nextDocId; this.modeOption = mode; this.lineSep = lineSep; this.extend = false; if (typeof text == "string") text = this.splitLines(text); updateDoc(this, {from: start, to: start, text: text}); setSelection(this, simpleSelection(start), sel_dontScroll); }; Doc.prototype = createObj(BranchChunk.prototype, { constructor: Doc, // Iterate over the document. Supports two forms -- with only one // argument, it calls that for each line in the document. With // three, it iterates over the range given by the first two (with // the second being non-inclusive). iter: function(from, to, op) { if (op) this.iterN(from - this.first, to - from, op); else this.iterN(this.first, this.first + this.size, from); }, // Non-public interface for adding and removing lines. insert: function(at, lines) { var height = 0; for (var i = 0; i < lines.length; ++i) height += lines[i].height; this.insertInner(at - this.first, lines, height); }, remove: function(at, n) { this.removeInner(at - this.first, n); }, // From here, the methods are part of the public interface. Most // are also available from CodeMirror (editor) instances. getValue: function(lineSep) { var lines = getLines(this, this.first, this.first + this.size); if (lineSep === false) return lines; return lines.join(lineSep || this.lineSeparator()); }, setValue: docMethodOp(function(code) { var top = Pos(this.first, 0), last = this.first + this.size - 1; makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length), text: this.splitLines(code), origin: "setValue", full: true}, true); setSelection(this, simpleSelection(top)); }), replaceRange: function(code, from, to, origin) { from = clipPos(this, from); to = to ? clipPos(this, to) : from; replaceRange(this, code, from, to, origin); }, getRange: function(from, to, lineSep) { var lines = getBetween(this, clipPos(this, from), clipPos(this, to)); if (lineSep === false) return lines; return lines.join(lineSep || this.lineSeparator()); }, getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;}, getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);}, getLineNumber: function(line) {return lineNo(line);}, getLineHandleVisualStart: function(line) { if (typeof line == "number") line = getLine(this, line); return visualLine(line); }, lineCount: function() {return this.size;}, firstLine: function() {return this.first;}, lastLine: function() {return this.first + this.size - 1;}, clipPos: function(pos) {return clipPos(this, pos);}, getCursor: function(start) { var range = this.sel.primary(), pos; if (start == null || start == "head") pos = range.head; else if (start == "anchor") pos = range.anchor; else if (start == "end" || start == "to" || start === false) pos = range.to(); else pos = range.from(); return pos; }, listSelections: function() { return this.sel.ranges; }, somethingSelected: function() {return this.sel.somethingSelected();}, setCursor: docMethodOp(function(line, ch, options) { setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options); }), setSelection: docMethodOp(function(anchor, head, options) { setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options); }), extendSelection: docMethodOp(function(head, other, options) { extendSelection(this, clipPos(this, head), other && clipPos(this, other), options); }), extendSelections: docMethodOp(function(heads, options) { extendSelections(this, clipPosArray(this, heads), options); }), extendSelectionsBy: docMethodOp(function(f, options) { var heads = map(this.sel.ranges, f); extendSelections(this, clipPosArray(this, heads), options); }), setSelections: docMethodOp(function(ranges, primary, options) { if (!ranges.length) return; for (var i = 0, out = []; i < ranges.length; i++) out[i] = new Range(clipPos(this, ranges[i].anchor), clipPos(this, ranges[i].head)); if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex); setSelection(this, normalizeSelection(out, primary), options); }), addSelection: docMethodOp(function(anchor, head, options) { var ranges = this.sel.ranges.slice(0); ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor))); setSelection(this, normalizeSelection(ranges, ranges.length - 1), options); }), getSelection: function(lineSep) { var ranges = this.sel.ranges, lines; for (var i = 0; i < ranges.length; i++) { var sel = getBetween(this, ranges[i].from(), ranges[i].to()); lines = lines ? lines.concat(sel) : sel; } if (lineSep === false) return lines; else return lines.join(lineSep || this.lineSeparator()); }, getSelections: function(lineSep) { var parts = [], ranges = this.sel.ranges; for (var i = 0; i < ranges.length; i++) { var sel = getBetween(this, ranges[i].from(), ranges[i].to()); if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator()); parts[i] = sel; } return parts; }, replaceSelection: function(code, collapse, origin) { var dup = []; for (var i = 0; i < this.sel.ranges.length; i++) dup[i] = code; this.replaceSelections(dup, collapse, origin || "+input"); }, replaceSelections: docMethodOp(function(code, collapse, origin) { var changes = [], sel = this.sel; for (var i = 0; i < sel.ranges.length; i++) { var range = sel.ranges[i]; changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}; } var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse); for (var i = changes.length - 1; i >= 0; i--) makeChange(this, changes[i]); if (newSel) setSelectionReplaceHistory(this, newSel); else if (this.cm) ensureCursorVisible(this.cm); }), undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}), redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}), undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}), redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}), setExtending: function(val) {this.extend = val;}, getExtending: function() {return this.extend;}, historySize: function() { var hist = this.history, done = 0, undone = 0; for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done; for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone; return {undo: done, redo: undone}; }, clearHistory: function() {this.history = new History(this.history.maxGeneration);}, markClean: function() { this.cleanGeneration = this.changeGeneration(true); }, changeGeneration: function(forceSplit) { if (forceSplit) this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; return this.history.generation; }, isClean: function (gen) { return this.history.generation == (gen || this.cleanGeneration); }, getHistory: function() { return {done: copyHistoryArray(this.history.done), undone: copyHistoryArray(this.history.undone)}; }, setHistory: function(histData) { var hist = this.history = new History(this.history.maxGeneration); hist.done = copyHistoryArray(histData.done.slice(0), null, true); hist.undone = copyHistoryArray(histData.undone.slice(0), null, true); }, addLineClass: docMethodOp(function(handle, where, cls) { return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : where == "gutter" ? "gutterClass" : "wrapClass"; if (!line[prop]) line[prop] = cls; else if (classTest(cls).test(line[prop])) return false; else line[prop] += " " + cls; return true; }); }), removeLineClass: docMethodOp(function(handle, where, cls) { return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) { var prop = where == "text" ? "textClass" : where == "background" ? "bgClass" : where == "gutter" ? "gutterClass" : "wrapClass"; var cur = line[prop]; if (!cur) return false; else if (cls == null) line[prop] = null; else { var found = cur.match(classTest(cls)); if (!found) return false; var end = found.index + found[0].length; line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null; } return true; }); }), addLineWidget: docMethodOp(function(handle, node, options) { return addLineWidget(this, handle, node, options); }), removeLineWidget: function(widget) { widget.clear(); }, markText: function(from, to, options) { return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range"); }, setBookmark: function(pos, options) { var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options), insertLeft: options && options.insertLeft, clearWhenEmpty: false, shared: options && options.shared, handleMouseEvents: options && options.handleMouseEvents}; pos = clipPos(this, pos); return markText(this, pos, pos, realOpts, "bookmark"); }, findMarksAt: function(pos) { pos = clipPos(this, pos); var markers = [], spans = getLine(this, pos.line).markedSpans; if (spans) for (var i = 0; i < spans.length; ++i) { var span = spans[i]; if ((span.from == null || span.from <= pos.ch) && (span.to == null || span.to >= pos.ch)) markers.push(span.marker.parent || span.marker); } return markers; }, findMarks: function(from, to, filter) { from = clipPos(this, from); to = clipPos(this, to); var found = [], lineNo = from.line; this.iter(from.line, to.line + 1, function(line) { var spans = line.markedSpans; if (spans) for (var i = 0; i < spans.length; i++) { var span = spans[i]; if (!(span.to != null && lineNo == from.line && from.ch >= span.to || span.from == null && lineNo != from.line || span.from != null && lineNo == to.line && span.from >= to.ch) && (!filter || filter(span.marker))) found.push(span.marker.parent || span.marker); } ++lineNo; }); return found; }, getAllMarks: function() { var markers = []; this.iter(function(line) { var sps = line.markedSpans; if (sps) for (var i = 0; i < sps.length; ++i) if (sps[i].from != null) markers.push(sps[i].marker); }); return markers; }, posFromIndex: function(off) { var ch, lineNo = this.first, sepSize = this.lineSeparator().length; this.iter(function(line) { var sz = line.text.length + sepSize; if (sz > off) { ch = off; return true; } off -= sz; ++lineNo; }); return clipPos(this, Pos(lineNo, ch)); }, indexFromPos: function (coords) { coords = clipPos(this, coords); var index = coords.ch; if (coords.line < this.first || coords.ch < 0) return 0; var sepSize = this.lineSeparator().length; this.iter(this.first, coords.line, function (line) { index += line.text.length + sepSize; }); return index; }, copy: function(copyHistory) { var doc = new Doc(getLines(this, this.first, this.first + this.size), this.modeOption, this.first, this.lineSep); doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft; doc.sel = this.sel; doc.extend = false; if (copyHistory) { doc.history.undoDepth = this.history.undoDepth; doc.setHistory(this.getHistory()); } return doc; }, linkedDoc: function(options) { if (!options) options = {}; var from = this.first, to = this.first + this.size; if (options.from != null && options.from > from) from = options.from; if (options.to != null && options.to < to) to = options.to; var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep); if (options.sharedHist) copy.history = this.history; (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist}); copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]; copySharedMarkers(copy, findSharedMarkers(this)); return copy; }, unlinkDoc: function(other) { if (other instanceof CodeMirror) other = other.doc; if (this.linked) for (var i = 0; i < this.linked.length; ++i) { var link = this.linked[i]; if (link.doc != other) continue; this.linked.splice(i, 1); other.unlinkDoc(this); detachSharedMarkers(findSharedMarkers(this)); break; } // If the histories were shared, split them again if (other.history == this.history) { var splitIds = [other.id]; linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true); other.history = new History(null); other.history.done = copyHistoryArray(this.history.done, splitIds); other.history.undone = copyHistoryArray(this.history.undone, splitIds); } }, iterLinkedDocs: function(f) {linkedDocs(this, f);}, getMode: function() {return this.mode;}, getEditor: function() {return this.cm;}, splitLines: function(str) { if (this.lineSep) return str.split(this.lineSep); return splitLinesAuto(str); }, lineSeparator: function() { return this.lineSep || "\n"; } }); // Public alias. Doc.prototype.eachLine = Doc.prototype.iter; // Set up methods on CodeMirror's prototype to redirect to the editor's document. var dontDelegate = "iter insert remove copy getEditor constructor".split(" "); for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0) CodeMirror.prototype[prop] = (function(method) { return function() {return method.apply(this.doc, arguments);}; })(Doc.prototype[prop]); eventMixin(Doc); // Call f for all linked documents. function linkedDocs(doc, f, sharedHistOnly) { function propagate(doc, skip, sharedHist) { if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) { var rel = doc.linked[i]; if (rel.doc == skip) continue; var shared = sharedHist && rel.sharedHist; if (sharedHistOnly && !shared) continue; f(rel.doc, shared); propagate(rel.doc, doc, shared); } } propagate(doc, null, true); } // Attach a document to an editor. function attachDoc(cm, doc) { if (doc.cm) throw new Error("This document is already in use."); cm.doc = doc; doc.cm = cm; estimateLineHeights(cm); loadMode(cm); if (!cm.options.lineWrapping) findMaxLine(cm); cm.options.mode = doc.modeOption; regChange(cm); } // LINE UTILITIES // Find the line object corresponding to the given line number. function getLine(doc, n) { n -= doc.first; if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document."); for (var chunk = doc; !chunk.lines;) { for (var i = 0;; ++i) { var child = chunk.children[i], sz = child.chunkSize(); if (n < sz) { chunk = child; break; } n -= sz; } } return chunk.lines[n]; } // Get the part of a document between two positions, as an array of // strings. function getBetween(doc, start, end) { var out = [], n = start.line; doc.iter(start.line, end.line + 1, function(line) { var text = line.text; if (n == end.line) text = text.slice(0, end.ch); if (n == start.line) text = text.slice(start.ch); out.push(text); ++n; }); return out; } // Get the lines between from and to, as array of strings. function getLines(doc, from, to) { var out = []; doc.iter(from, to, function(line) { out.push(line.text); }); return out; } // Update the height of a line, propagating the height change // upwards to parent nodes. function updateLineHeight(line, height) { var diff = height - line.height; if (diff) for (var n = line; n; n = n.parent) n.height += diff; } // Given a line object, find its line number by walking up through // its parent links. function lineNo(line) { if (line.parent == null) return null; var cur = line.parent, no = indexOf(cur.lines, line); for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) { for (var i = 0;; ++i) { if (chunk.children[i] == cur) break; no += chunk.children[i].chunkSize(); } } return no + cur.first; } // Find the line at the given vertical position, using the height // information in the document tree. function lineAtHeight(chunk, h) { var n = chunk.first; outer: do { for (var i = 0; i < chunk.children.length; ++i) { var child = chunk.children[i], ch = child.height; if (h < ch) { chunk = child; continue outer; } h -= ch; n += child.chunkSize(); } return n; } while (!chunk.lines); for (var i = 0; i < chunk.lines.length; ++i) { var line = chunk.lines[i], lh = line.height; if (h < lh) break; h -= lh; } return n + i; } // Find the height above the given line. function heightAtLine(lineObj) { lineObj = visualLine(lineObj); var h = 0, chunk = lineObj.parent; for (var i = 0; i < chunk.lines.length; ++i) { var line = chunk.lines[i]; if (line == lineObj) break; else h += line.height; } for (var p = chunk.parent; p; chunk = p, p = chunk.parent) { for (var i = 0; i < p.children.length; ++i) { var cur = p.children[i]; if (cur == chunk) break; else h += cur.height; } } return h; } // Get the bidi ordering for the given line (and cache it). Returns // false for lines that are fully left-to-right, and an array of // BidiSpan objects otherwise. function getOrder(line) { var order = line.order; if (order == null) order = line.order = bidiOrdering(line.text); return order; } // HISTORY function History(startGen) { // Arrays of change events and selections. Doing something adds an // event to done and clears undo. Undoing moves events from done // to undone, redoing moves them in the other direction. this.done = []; this.undone = []; this.undoDepth = Infinity; // Used to track when changes can be merged into a single undo // event this.lastModTime = this.lastSelTime = 0; this.lastOp = this.lastSelOp = null; this.lastOrigin = this.lastSelOrigin = null; // Used by the isClean() method this.generation = this.maxGeneration = startGen || 1; } // Create a history change event from an updateDoc-style change // object. function historyChangeFromChange(doc, change) { var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)}; attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true); return histChange; } // Pop all selection events off the end of a history array. Stop at // a change event. function clearSelectionEvents(array) { while (array.length) { var last = lst(array); if (last.ranges) array.pop(); else break; } } // Find the top change event in the history. Pop off selection // events that are in the way. function lastChangeEvent(hist, force) { if (force) { clearSelectionEvents(hist.done); return lst(hist.done); } else if (hist.done.length && !lst(hist.done).ranges) { return lst(hist.done); } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) { hist.done.pop(); return lst(hist.done); } } // Register a change in the history. Merges changes that are within // a single operation, ore are close together with an origin that // allows merging (starting with "+") into a single event. function addChangeToHistory(doc, change, selAfter, opId) { var hist = doc.history; hist.undone.length = 0; var time = +new Date, cur; if ((hist.lastOp == opId || hist.lastOrigin == change.origin && change.origin && ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) || change.origin.charAt(0) == "*")) && (cur = lastChangeEvent(hist, hist.lastOp == opId))) { // Merge this change into the last event var last = lst(cur.changes); if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) { // Optimized case for simple insertion -- don't want to add // new changesets for every character typed last.to = changeEnd(change); } else { // Add new sub-event cur.changes.push(historyChangeFromChange(doc, change)); } } else { // Can not be merged, start a new event. var before = lst(hist.done); if (!before || !before.ranges) pushSelectionToHistory(doc.sel, hist.done); cur = {changes: [historyChangeFromChange(doc, change)], generation: hist.generation}; hist.done.push(cur); while (hist.done.length > hist.undoDepth) { hist.done.shift(); if (!hist.done[0].ranges) hist.done.shift(); } } hist.done.push(selAfter); hist.generation = ++hist.maxGeneration; hist.lastModTime = hist.lastSelTime = time; hist.lastOp = hist.lastSelOp = opId; hist.lastOrigin = hist.lastSelOrigin = change.origin; if (!last) signal(doc, "historyAdded"); } function selectionEventCanBeMerged(doc, origin, prev, sel) { var ch = origin.charAt(0); return ch == "*" || ch == "+" && prev.ranges.length == sel.ranges.length && prev.somethingSelected() == sel.somethingSelected() && new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500); } // Called whenever the selection changes, sets the new selection as // the pending selection in the history, and pushes the old pending // selection into the 'done' array when it was significantly // different (in number of selected ranges, emptiness, or time). function addSelectionToHistory(doc, sel, opId, options) { var hist = doc.history, origin = options && options.origin; // A new event is started when the previous origin does not match // the current, or the origins don't allow matching. Origins // starting with * are always merged, those starting with + are // merged when similar and close together in time. if (opId == hist.lastSelOp || (origin && hist.lastSelOrigin == origin && (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin || selectionEventCanBeMerged(doc, origin, lst(hist.done), sel)))) hist.done[hist.done.length - 1] = sel; else pushSelectionToHistory(sel, hist.done); hist.lastSelTime = +new Date; hist.lastSelOrigin = origin; hist.lastSelOp = opId; if (options && options.clearRedo !== false) clearSelectionEvents(hist.undone); } function pushSelectionToHistory(sel, dest) { var top = lst(dest); if (!(top && top.ranges && top.equals(sel))) dest.push(sel); } // Used to store marked span information in the history. function attachLocalSpans(doc, change, from, to) { var existing = change["spans_" + doc.id], n = 0; doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) { if (line.markedSpans) (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; ++n; }); } // When un/re-doing restores text containing marked spans, those // that have been explicitly cleared should not be restored. function removeClearedSpans(spans) { if (!spans) return null; for (var i = 0, out; i < spans.length; ++i) { if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); } else if (out) out.push(spans[i]); } return !out ? spans : out.length ? out : null; } // Retrieve and filter the old marked spans stored in a change event. function getOldSpans(doc, change) { var found = change["spans_" + doc.id]; if (!found) return null; for (var i = 0, nw = []; i < change.text.length; ++i) nw.push(removeClearedSpans(found[i])); return nw; } // Used both to provide a JSON-safe object in .getHistory, and, when // detaching a document, to split the history in two function copyHistoryArray(events, newGroup, instantiateSel) { for (var i = 0, copy = []; i < events.length; ++i) { var event = events[i]; if (event.ranges) { copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event); continue; } var changes = event.changes, newChanges = []; copy.push({changes: newChanges}); for (var j = 0; j < changes.length; ++j) { var change = changes[j], m; newChanges.push({from: change.from, to: change.to, text: change.text}); if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) { if (indexOf(newGroup, Number(m[1])) > -1) { lst(newChanges)[prop] = change[prop]; delete change[prop]; } } } } return copy; } // Rebasing/resetting history to deal with externally-sourced changes function rebaseHistSelSingle(pos, from, to, diff) { if (to < pos.line) { pos.line += diff; } else if (from < pos.line) { pos.line = from; pos.ch = 0; } } // Tries to rebase an array of history events given a change in the // document. If the change touches the same lines as the event, the // event, and everything 'behind' it, is discarded. If the change is // before the event, the event's positions are updated. Uses a // copy-on-write scheme for the positions, to avoid having to // reallocate them all on every rebase, but also avoid problems with // shared position objects being unsafely updated. function rebaseHistArray(array, from, to, diff) { for (var i = 0; i < array.length; ++i) { var sub = array[i], ok = true; if (sub.ranges) { if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; } for (var j = 0; j < sub.ranges.length; j++) { rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff); rebaseHistSelSingle(sub.ranges[j].head, from, to, diff); } continue; } for (var j = 0; j < sub.changes.length; ++j) { var cur = sub.changes[j]; if (to < cur.from.line) { cur.from = Pos(cur.from.line + diff, cur.from.ch); cur.to = Pos(cur.to.line + diff, cur.to.ch); } else if (from <= cur.to.line) { ok = false; break; } } if (!ok) { array.splice(0, i + 1); i = 0; } } } function rebaseHist(hist, change) { var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1; rebaseHistArray(hist.done, from, to, diff); rebaseHistArray(hist.undone, from, to, diff); } // EVENT UTILITIES // Due to the fact that we still support jurassic IE versions, some // compatibility wrappers are needed. var e_preventDefault = CodeMirror.e_preventDefault = function(e) { if (e.preventDefault) e.preventDefault(); else e.returnValue = false; }; var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) { if (e.stopPropagation) e.stopPropagation(); else e.cancelBubble = true; }; function e_defaultPrevented(e) { return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false; } var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);}; function e_target(e) {return e.target || e.srcElement;} function e_button(e) { var b = e.which; if (b == null) { if (e.button & 1) b = 1; else if (e.button & 2) b = 3; else if (e.button & 4) b = 2; } if (mac && e.ctrlKey && b == 1) b = 3; return b; } // EVENT HANDLING // Lightweight event framework. on/off also work on DOM nodes, // registering native DOM handlers. var on = CodeMirror.on = function(emitter, type, f) { if (emitter.addEventListener) emitter.addEventListener(type, f, false); else if (emitter.attachEvent) emitter.attachEvent("on" + type, f); else { var map = emitter._handlers || (emitter._handlers = {}); var arr = map[type] || (map[type] = []); arr.push(f); } }; var noHandlers = [] function getHandlers(emitter, type, copy) { var arr = emitter._handlers && emitter._handlers[type] if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers else return arr || noHandlers } var off = CodeMirror.off = function(emitter, type, f) { if (emitter.removeEventListener) emitter.removeEventListener(type, f, false); else if (emitter.detachEvent) emitter.detachEvent("on" + type, f); else { var handlers = getHandlers(emitter, type, false) for (var i = 0; i < handlers.length; ++i) if (handlers[i] == f) { handlers.splice(i, 1); break; } } }; var signal = CodeMirror.signal = function(emitter, type /*, values...*/) { var handlers = getHandlers(emitter, type, true) if (!handlers.length) return; var args = Array.prototype.slice.call(arguments, 2); for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args); }; var orphanDelayedCallbacks = null; // Often, we want to signal events at a point where we are in the // middle of some work, but don't want the handler to start calling // other methods on the editor, which might be in an inconsistent // state or simply not expect any other events to happen. // signalLater looks whether there are any handlers, and schedules // them to be executed when the last operation ends, or, if no // operation is active, when a timeout fires. function signalLater(emitter, type /*, values...*/) { var arr = getHandlers(emitter, type, false) if (!arr.length) return; var args = Array.prototype.slice.call(arguments, 2), list; if (operationGroup) { list = operationGroup.delayedCallbacks; } else if (orphanDelayedCallbacks) { list = orphanDelayedCallbacks; } else { list = orphanDelayedCallbacks = []; setTimeout(fireOrphanDelayed, 0); } function bnd(f) {return function(){f.apply(null, args);};}; for (var i = 0; i < arr.length; ++i) list.push(bnd(arr[i])); } function fireOrphanDelayed() { var delayed = orphanDelayedCallbacks; orphanDelayedCallbacks = null; for (var i = 0; i < delayed.length; ++i) delayed[i](); } // The DOM events that CodeMirror handles can be overridden by // registering a (non-DOM) handler on the editor for the event name, // and preventDefault-ing the event in that handler. function signalDOMEvent(cm, e, override) { if (typeof e == "string") e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; signal(cm, override || e.type, cm, e); return e_defaultPrevented(e) || e.codemirrorIgnore; } function signalCursorActivity(cm) { var arr = cm._handlers && cm._handlers.cursorActivity; if (!arr) return; var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []); for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1) set.push(arr[i]); } function hasHandler(emitter, type) { return getHandlers(emitter, type).length > 0 } // Add on and off methods to a constructor's prototype, to make // registering events on such objects more convenient. function eventMixin(ctor) { ctor.prototype.on = function(type, f) {on(this, type, f);}; ctor.prototype.off = function(type, f) {off(this, type, f);}; } // MISC UTILITIES // Number of pixels added to scroller and sizer to hide scrollbar var scrollerGap = 30; // Returned or thrown by various protocols to signal 'I'm not // handling this'. var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}}; // Reused option objects for setSelection & friends var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"}; function Delayed() {this.id = null;} Delayed.prototype.set = function(ms, f) { clearTimeout(this.id); this.id = setTimeout(f, ms); }; // Counts the column offset in a string, taking tabs into account. // Used mostly to find indentation. var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) { if (end == null) { end = string.search(/[^\s\u00a0]/); if (end == -1) end = string.length; } for (var i = startIndex || 0, n = startValue || 0;;) { var nextTab = string.indexOf("\t", i); if (nextTab < 0 || nextTab >= end) return n + (end - i); n += nextTab - i; n += tabSize - (n % tabSize); i = nextTab + 1; } }; // The inverse of countColumn -- find the offset that corresponds to // a particular column. var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) { for (var pos = 0, col = 0;;) { var nextTab = string.indexOf("\t", pos); if (nextTab == -1) nextTab = string.length; var skipped = nextTab - pos; if (nextTab == string.length || col + skipped >= goal) return pos + Math.min(skipped, goal - col); col += nextTab - pos; col += tabSize - (col % tabSize); pos = nextTab + 1; if (col >= goal) return pos; } } var spaceStrs = [""]; function spaceStr(n) { while (spaceStrs.length <= n) spaceStrs.push(lst(spaceStrs) + " "); return spaceStrs[n]; } function lst(arr) { return arr[arr.length-1]; } var selectInput = function(node) { node.select(); }; if (ios) // Mobile Safari apparently has a bug where select() is broken. selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; else if (ie) // Suppress mysterious IE10 errors selectInput = function(node) { try { node.select(); } catch(_e) {} }; function indexOf(array, elt) { for (var i = 0; i < array.length; ++i) if (array[i] == elt) return i; return -1; } function map(array, f) { var out = []; for (var i = 0; i < array.length; i++) out[i] = f(array[i], i); return out; } function nothing() {} function createObj(base, props) { var inst; if (Object.create) { inst = Object.create(base); } else { nothing.prototype = base; inst = new nothing(); } if (props) copyObj(props, inst); return inst; }; function copyObj(obj, target, overwrite) { if (!target) target = {}; for (var prop in obj) if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop))) target[prop] = obj[prop]; return target; } function bind(f) { var args = Array.prototype.slice.call(arguments, 1); return function(){return f.apply(null, args);}; } var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/; var isWordCharBasic = CodeMirror.isWordChar = function(ch) { return /\w/.test(ch) || ch > "\x80" && (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch)); }; function isWordChar(ch, helper) { if (!helper) return isWordCharBasic(ch); if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true; return helper.test(ch); } function isEmpty(obj) { for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false; return true; } // Extending unicode characters. A series of a non-extending char + // any number of extending chars is treated as a single unit as far // as editing and measuring is concerned. This is not fully correct, // since some scripts/fonts/browsers also treat other configurations // of code points as a group. var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/; function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); } // DOM UTILITIES function elt(tag, content, className, style) { var e = document.createElement(tag); if (className) e.className = className; if (style) e.style.cssText = style; if (typeof content == "string") e.appendChild(document.createTextNode(content)); else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]); return e; } var range; if (document.createRange) range = function(node, start, end, endNode) { var r = document.createRange(); r.setEnd(endNode || node, end); r.setStart(node, start); return r; }; else range = function(node, start, end) { var r = document.body.createTextRange(); try { r.moveToElementText(node.parentNode); } catch(e) { return r; } r.collapse(true); r.moveEnd("character", end); r.moveStart("character", start); return r; }; function removeChildren(e) { for (var count = e.childNodes.length; count > 0; --count) e.removeChild(e.firstChild); return e; } function removeChildrenAndAdd(parent, e) { return removeChildren(parent).appendChild(e); } var contains = CodeMirror.contains = function(parent, child) { if (child.nodeType == 3) // Android browser always returns false when child is a textnode child = child.parentNode; if (parent.contains) return parent.contains(child); do { if (child.nodeType == 11) child = child.host; if (child == parent) return true; } while (child = child.parentNode); }; function activeElt() { var activeElement = document.activeElement; while (activeElement && activeElement.root && activeElement.root.activeElement) activeElement = activeElement.root.activeElement; return activeElement; } // Older versions of IE throws unspecified error when touching // document.activeElement in some cases (during loading, in iframe) if (ie && ie_version < 11) activeElt = function() { try { return document.activeElement; } catch(e) { return document.body; } }; function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); } var rmClass = CodeMirror.rmClass = function(node, cls) { var current = node.className; var match = classTest(cls).exec(current); if (match) { var after = current.slice(match.index + match[0].length); node.className = current.slice(0, match.index) + (after ? match[1] + after : ""); } }; var addClass = CodeMirror.addClass = function(node, cls) { var current = node.className; if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls; }; function joinClasses(a, b) { var as = a.split(" "); for (var i = 0; i < as.length; i++) if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i]; return b; } // WINDOW-WIDE EVENTS // These must be handled carefully, because naively registering a // handler for each editor will cause the editors to never be // garbage collected. function forEachCodeMirror(f) { if (!document.body.getElementsByClassName) return; var byClass = document.body.getElementsByClassName("CodeMirror"); for (var i = 0; i < byClass.length; i++) { var cm = byClass[i].CodeMirror; if (cm) f(cm); } } var globalsRegistered = false; function ensureGlobalHandlers() { if (globalsRegistered) return; registerGlobalHandlers(); globalsRegistered = true; } function registerGlobalHandlers() { // When the window resizes, we need to refresh active editors. var resizeTimer; on(window, "resize", function() { if (resizeTimer == null) resizeTimer = setTimeout(function() { resizeTimer = null; forEachCodeMirror(onResize); }, 100); }); // When the window loses focus, we want to show the editor as blurred on(window, "blur", function() { forEachCodeMirror(onBlur); }); } // FEATURE DETECTION // Detect drag-and-drop var dragAndDrop = function() { // There is *some* kind of drag-and-drop support in IE6-8, but I // couldn't get it to work yet. if (ie && ie_version < 9) return false; var div = elt('div'); return "draggable" in div || "dragDrop" in div; }(); var zwspSupported; function zeroWidthElement(measure) { if (zwspSupported == null) { var test = elt("span", "\u200b"); removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")])); if (measure.firstChild.offsetHeight != 0) zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); } var node = zwspSupported ? elt("span", "\u200b") : elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px"); node.setAttribute("cm-text", ""); return node; } // Feature-detect IE's crummy client rect reporting for bidi text var badBidiRects; function hasBadBidiRects(measure) { if (badBidiRects != null) return badBidiRects; var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA")); var r0 = range(txt, 0, 1).getBoundingClientRect(); if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780) var r1 = range(txt, 1, 2).getBoundingClientRect(); return badBidiRects = (r1.right - r0.right < 3); } // See if "".split is the broken IE version, if so, provide an // alternative way to split lines. var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) { var pos = 0, result = [], l = string.length; while (pos <= l) { var nl = string.indexOf("\n", pos); if (nl == -1) nl = string.length; var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl); var rt = line.indexOf("\r"); if (rt != -1) { result.push(line.slice(0, rt)); pos += rt + 1; } else { result.push(line); pos = nl + 1; } } return result; } : function(string){return string.split(/\r\n?|\n/);}; var hasSelection = window.getSelection ? function(te) { try { return te.selectionStart != te.selectionEnd; } catch(e) { return false; } } : function(te) { try {var range = te.ownerDocument.selection.createRange();} catch(e) {} if (!range || range.parentElement() != te) return false; return range.compareEndPoints("StartToEnd", range) != 0; }; var hasCopyEvent = (function() { var e = elt("div"); if ("oncopy" in e) return true; e.setAttribute("oncopy", "return;"); return typeof e.oncopy == "function"; })(); var badZoomedRects = null; function hasBadZoomedRects(measure) { if (badZoomedRects != null) return badZoomedRects; var node = removeChildrenAndAdd(measure, elt("span", "x")); var normal = node.getBoundingClientRect(); var fromRange = range(node, 0, 1).getBoundingClientRect(); return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1; } // KEY NAMES var keyNames = CodeMirror.keyNames = { 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt", 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End", 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert", 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod", 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete", 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\", 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete", 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert" }; (function() { // Number keys for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i); // Alphabetic keys for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i); // Function keys for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i; })(); // BIDI HELPERS function iterateBidiSections(order, from, to, f) { if (!order) return f(from, to, "ltr"); var found = false; for (var i = 0; i < order.length; ++i) { var part = order[i]; if (part.from < to && part.to > from || from == to && part.to == from) { f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr"); found = true; } } if (!found) f(from, to, "ltr"); } function bidiLeft(part) { return part.level % 2 ? part.to : part.from; } function bidiRight(part) { return part.level % 2 ? part.from : part.to; } function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; } function lineRight(line) { var order = getOrder(line); if (!order) return line.text.length; return bidiRight(lst(order)); } function lineStart(cm, lineN) { var line = getLine(cm.doc, lineN); var visual = visualLine(line); if (visual != line) lineN = lineNo(visual); var order = getOrder(visual); var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual); return Pos(lineN, ch); } function lineEnd(cm, lineN) { var merged, line = getLine(cm.doc, lineN); while (merged = collapsedSpanAtEnd(line)) { line = merged.find(1, true).line; lineN = null; } var order = getOrder(line); var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line); return Pos(lineN == null ? lineNo(line) : lineN, ch); } function lineStartSmart(cm, pos) { var start = lineStart(cm, pos.line); var line = getLine(cm.doc, start.line); var order = getOrder(line); if (!order || order[0].level == 0) { var firstNonWS = Math.max(0, line.text.search(/\S/)); var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch; return Pos(start.line, inWS ? 0 : firstNonWS); } return start; } function compareBidiLevel(order, a, b) { var linedir = order[0].level; if (a == linedir) return true; if (b == linedir) return false; return a < b; } var bidiOther; function getBidiPartAt(order, pos) { bidiOther = null; for (var i = 0, found; i < order.length; ++i) { var cur = order[i]; if (cur.from < pos && cur.to > pos) return i; if ((cur.from == pos || cur.to == pos)) { if (found == null) { found = i; } else if (compareBidiLevel(order, cur.level, order[found].level)) { if (cur.from != cur.to) bidiOther = found; return i; } else { if (cur.from != cur.to) bidiOther = i; return found; } } } return found; } function moveInLine(line, pos, dir, byUnit) { if (!byUnit) return pos + dir; do pos += dir; while (pos > 0 && isExtendingChar(line.text.charAt(pos))); return pos; } // This is needed in order to move 'visually' through bi-directional // text -- i.e., pressing left should make the cursor go left, even // when in RTL text. The tricky part is the 'jumps', where RTL and // LTR text touch each other. This often requires the cursor offset // to move more than one unit, in order to visually move one unit. function moveVisually(line, start, dir, byUnit) { var bidi = getOrder(line); if (!bidi) return moveLogically(line, start, dir, byUnit); var pos = getBidiPartAt(bidi, start), part = bidi[pos]; var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit); for (;;) { if (target > part.from && target < part.to) return target; if (target == part.from || target == part.to) { if (getBidiPartAt(bidi, target) == pos) return target; part = bidi[pos += dir]; return (dir > 0) == part.level % 2 ? part.to : part.from; } else { part = bidi[pos += dir]; if (!part) return null; if ((dir > 0) == part.level % 2) target = moveInLine(line, part.to, -1, byUnit); else target = moveInLine(line, part.from, 1, byUnit); } } } function moveLogically(line, start, dir, byUnit) { var target = start + dir; if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir; return target < 0 || target > line.text.length ? null : target; } // Bidirectional ordering algorithm // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm // that this (partially) implements. // One-char codes used for character types: // L (L): Left-to-Right // R (R): Right-to-Left // r (AL): Right-to-Left Arabic // 1 (EN): European Number // + (ES): European Number Separator // % (ET): European Number Terminator // n (AN): Arabic Number // , (CS): Common Number Separator // m (NSM): Non-Spacing Mark // b (BN): Boundary Neutral // s (B): Paragraph Separator // t (S): Segment Separator // w (WS): Whitespace // N (ON): Other Neutrals // Returns null if characters are ordered as they appear // (left-to-right), or an array of sections ({from, to, level} // objects) in the order in which they occur visually. var bidiOrdering = (function() { // Character types for codepoints 0 to 0xff var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN"; // Character types for codepoints 0x600 to 0x6ff var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm"; function charType(code) { if (code <= 0xf7) return lowTypes.charAt(code); else if (0x590 <= code && code <= 0x5f4) return "R"; else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600); else if (0x6ee <= code && code <= 0x8ac) return "r"; else if (0x2000 <= code && code <= 0x200b) return "w"; else if (code == 0x200c) return "b"; else return "L"; } var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/; var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/; // Browsers seem to always treat the boundaries of block elements as being L. var outerType = "L"; function BidiSpan(level, from, to) { this.level = level; this.from = from; this.to = to; } return function(str) { if (!bidiRE.test(str)) return false; var len = str.length, types = []; for (var i = 0, type; i < len; ++i) types.push(type = charType(str.charCodeAt(i))); // W1. Examine each non-spacing mark (NSM) in the level run, and // change the type of the NSM to the type of the previous // character. If the NSM is at the start of the level run, it will // get the type of sor. for (var i = 0, prev = outerType; i < len; ++i) { var type = types[i]; if (type == "m") types[i] = prev; else prev = type; } // W2. Search backwards from each instance of a European number // until the first strong type (R, L, AL, or sor) is found. If an // AL is found, change the type of the European number to Arabic // number. // W3. Change all ALs to R. for (var i = 0, cur = outerType; i < len; ++i) { var type = types[i]; if (type == "1" && cur == "r") types[i] = "n"; else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; } } // W4. A single European separator between two European numbers // changes to a European number. A single common separator between // two numbers of the same type changes to that type. for (var i = 1, prev = types[0]; i < len - 1; ++i) { var type = types[i]; if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1"; else if (type == "," && prev == types[i+1] && (prev == "1" || prev == "n")) types[i] = prev; prev = type; } // W5. A sequence of European terminators adjacent to European // numbers changes to all European numbers. // W6. Otherwise, separators and terminators change to Other // Neutral. for (var i = 0; i < len; ++i) { var type = types[i]; if (type == ",") types[i] = "N"; else if (type == "%") { for (var end = i + 1; end < len && types[end] == "%"; ++end) {} var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N"; for (var j = i; j < end; ++j) types[j] = replace; i = end - 1; } } // W7. Search backwards from each instance of a European number // until the first strong type (R, L, or sor) is found. If an L is // found, then change the type of the European number to L. for (var i = 0, cur = outerType; i < len; ++i) { var type = types[i]; if (cur == "L" && type == "1") types[i] = "L"; else if (isStrong.test(type)) cur = type; } // N1. A sequence of neutrals takes the direction of the // surrounding strong text if the text on both sides has the same // direction. European and Arabic numbers act as if they were R in // terms of their influence on neutrals. Start-of-level-run (sor) // and end-of-level-run (eor) are used at level run boundaries. // N2. Any remaining neutrals take the embedding direction. for (var i = 0; i < len; ++i) { if (isNeutral.test(types[i])) { for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {} var before = (i ? types[i-1] : outerType) == "L"; var after = (end < len ? types[end] : outerType) == "L"; var replace = before || after ? "L" : "R"; for (var j = i; j < end; ++j) types[j] = replace; i = end - 1; } } // Here we depart from the documented algorithm, in order to avoid // building up an actual levels array. Since there are only three // levels (0, 1, 2) in an implementation that doesn't take // explicit embedding into account, we can build up the order on // the fly, without following the level-based algorithm. var order = [], m; for (var i = 0; i < len;) { if (countsAsLeft.test(types[i])) { var start = i; for (++i; i < len && countsAsLeft.test(types[i]); ++i) {} order.push(new BidiSpan(0, start, i)); } else { var pos = i, at = order.length; for (++i; i < len && types[i] != "L"; ++i) {} for (var j = pos; j < i;) { if (countsAsNum.test(types[j])) { if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j)); var nstart = j; for (++j; j < i && countsAsNum.test(types[j]); ++j) {} order.splice(at, 0, new BidiSpan(2, nstart, j)); pos = j; } else ++j; } if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i)); } } if (order[0].level == 1 && (m = str.match(/^\s+/))) { order[0].from = m[0].length; order.unshift(new BidiSpan(0, 0, m[0].length)); } if (lst(order).level == 1 && (m = str.match(/\s+$/))) { lst(order).to -= m[0].length; order.push(new BidiSpan(0, len - m[0].length, len)); } if (order[0].level == 2) order.unshift(new BidiSpan(1, order[0].to, order[0].to)); if (order[0].level != lst(order).level) order.push(new BidiSpan(order[0].level, len, len)); return order; }; })(); // THE END CodeMirror.version = "5.15.2"; return CodeMirror; }); },{}],11:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror"), require("../markdown/markdown"), require("../../addon/mode/overlay")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror", "../markdown/markdown", "../../addon/mode/overlay"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; var urlRE = /^((?:(?:aaas?|about|acap|adiumxtra|af[ps]|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|cap|chrome(?:-extension)?|cid|coap|com-eventbrite-attendee|content|crid|cvs|data|dav|dict|dlna-(?:playcontainer|playsingle)|dns|doi|dtn|dvb|ed2k|facetime|feed|file|finger|fish|ftp|geo|gg|git|gizmoproject|go|gopher|gtalk|h323|hcp|https?|iax|icap|icon|im|imap|info|ipn|ipp|irc[6s]?|iris(?:\.beep|\.lwz|\.xpc|\.xpcs)?|itms|jar|javascript|jms|keyparc|lastfm|ldaps?|magnet|mailto|maps|market|message|mid|mms|ms-help|msnim|msrps?|mtqp|mumble|mupdate|mvn|news|nfs|nih?|nntp|notes|oid|opaquelocktoken|palm|paparazzi|platform|pop|pres|proxy|psyc|query|res(?:ource)?|rmi|rsync|rtmp|rtsp|secondlife|service|session|sftp|sgn|shttp|sieve|sips?|skype|sm[bs]|snmp|soap\.beeps?|soldat|spotify|ssh|steam|svn|tag|teamspeak|tel(?:net)?|tftp|things|thismessage|tip|tn3270|tv|udp|unreal|urn|ut2004|vemmi|ventrilo|view-source|webcal|wss?|wtai|wyciwyg|xcon(?:-userid)?|xfire|xmlrpc\.beeps?|xmpp|xri|ymsgr|z39\.50[rs]?):(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]|\([^\s()<>]*\))+(?:\([^\s()<>]*\)|[^\s`*!()\[\]{};:'".,<>?«»“”‘’]))/i CodeMirror.defineMode("gfm", function(config, modeConfig) { var codeDepth = 0; function blankLine(state) { state.code = false; return null; } var gfmOverlay = { startState: function() { return { code: false, codeBlock: false, ateSpace: false }; }, copyState: function(s) { return { code: s.code, codeBlock: s.codeBlock, ateSpace: s.ateSpace }; }, token: function(stream, state) { state.combineTokens = null; // Hack to prevent formatting override inside code blocks (block and inline) if (state.codeBlock) { if (stream.match(/^```+/)) { state.codeBlock = false; return null; } stream.skipToEnd(); return null; } if (stream.sol()) { state.code = false; } if (stream.sol() && stream.match(/^```+/)) { stream.skipToEnd(); state.codeBlock = true; return null; } // If this block is changed, it may need to be updated in Markdown mode if (stream.peek() === '`') { stream.next(); var before = stream.pos; stream.eatWhile('`'); var difference = 1 + stream.pos - before; if (!state.code) { codeDepth = difference; state.code = true; } else { if (difference === codeDepth) { // Must be exact state.code = false; } } return null; } else if (state.code) { stream.next(); return null; } // Check if space. If so, links can be formatted later on if (stream.eatSpace()) { state.ateSpace = true; return null; } if (stream.sol() || state.ateSpace) { state.ateSpace = false; if (modeConfig.gitHubSpice !== false) { if(stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+@)?(?:[a-f0-9]{7,40}\b)/)) { // User/Project@SHA // User@SHA // SHA state.combineTokens = true; return "link"; } else if (stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+)?#[0-9]+\b/)) { // User/Project#Num // User#Num // #Num state.combineTokens = true; return "link"; } } } if (stream.match(urlRE) && stream.string.slice(stream.start - 2, stream.start) != "](" && (stream.start == 0 || /\W/.test(stream.string.charAt(stream.start - 1)))) { // URLs // Taken from http://daringfireball.net/2010/07/improved_regex_for_matching_urls // And then (issue #1160) simplified to make it not crash the Chrome Regexp engine // And then limited url schemes to the CommonMark list, so foo:bar isn't matched as a URL state.combineTokens = true; return "link"; } stream.next(); return null; }, blankLine: blankLine }; var markdownConfig = { underscoresBreakWords: false, taskLists: true, fencedCodeBlocks: '```', strikethrough: true }; for (var attr in modeConfig) { markdownConfig[attr] = modeConfig[attr]; } markdownConfig.name = "markdown"; return CodeMirror.overlayMode(CodeMirror.getMode(config, markdownConfig), gfmOverlay); }, "markdown"); CodeMirror.defineMIME("text/x-gfm", "gfm"); }); },{"../../addon/mode/overlay":8,"../../lib/codemirror":10,"../markdown/markdown":12}],12:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror"), require("../xml/xml"), require("../meta")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror", "../xml/xml", "../meta"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) { var htmlMode = CodeMirror.getMode(cmCfg, "text/html"); var htmlModeMissing = htmlMode.name == "null" function getMode(name) { if (CodeMirror.findModeByName) { var found = CodeMirror.findModeByName(name); if (found) name = found.mime || found.mimes[0]; } var mode = CodeMirror.getMode(cmCfg, name); return mode.name == "null" ? null : mode; } // Should characters that affect highlighting be highlighted separate? // Does not include characters that will be output (such as `1.` and `-` for lists) if (modeCfg.highlightFormatting === undefined) modeCfg.highlightFormatting = false; // Maximum number of nested blockquotes. Set to 0 for infinite nesting. // Excess `>` will emit `error` token. if (modeCfg.maxBlockquoteDepth === undefined) modeCfg.maxBlockquoteDepth = 0; // Should underscores in words open/close em/strong? if (modeCfg.underscoresBreakWords === undefined) modeCfg.underscoresBreakWords = true; // Use `fencedCodeBlocks` to configure fenced code blocks. false to // disable, string to specify a precise regexp that the fence should // match, and true to allow three or more backticks or tildes (as // per CommonMark). // Turn on task lists? ("- [ ] " and "- [x] ") if (modeCfg.taskLists === undefined) modeCfg.taskLists = false; // Turn on strikethrough syntax if (modeCfg.strikethrough === undefined) modeCfg.strikethrough = false; // Allow token types to be overridden by user-provided token types. if (modeCfg.tokenTypeOverrides === undefined) modeCfg.tokenTypeOverrides = {}; var tokenTypes = { header: "header", code: "comment", quote: "quote", list1: "variable-2", list2: "variable-3", list3: "keyword", hr: "hr", image: "tag", formatting: "formatting", linkInline: "link", linkEmail: "link", linkText: "link", linkHref: "string", em: "em", strong: "strong", strikethrough: "strikethrough" }; for (var tokenType in tokenTypes) { if (tokenTypes.hasOwnProperty(tokenType) && modeCfg.tokenTypeOverrides[tokenType]) { tokenTypes[tokenType] = modeCfg.tokenTypeOverrides[tokenType]; } } var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/ , ulRE = /^[*\-+]\s+/ , olRE = /^[0-9]+([.)])\s+/ , taskListRE = /^\[(x| )\](?=\s)/ // Must follow ulRE or olRE , atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/ , setextHeaderRE = /^ *(?:\={1,}|-{1,})\s*$/ , textRE = /^[^#!\[\]*_\\<>` "'(~]+/ , fencedCodeRE = new RegExp("^(" + (modeCfg.fencedCodeBlocks === true ? "~~~+|```+" : modeCfg.fencedCodeBlocks) + ")[ \\t]*([\\w+#\-]*)"); function switchInline(stream, state, f) { state.f = state.inline = f; return f(stream, state); } function switchBlock(stream, state, f) { state.f = state.block = f; return f(stream, state); } function lineIsEmpty(line) { return !line || !/\S/.test(line.string) } // Blocks function blankLine(state) { // Reset linkTitle state state.linkTitle = false; // Reset EM state state.em = false; // Reset STRONG state state.strong = false; // Reset strikethrough state state.strikethrough = false; // Reset state.quote state.quote = 0; // Reset state.indentedCode state.indentedCode = false; if (htmlModeMissing && state.f == htmlBlock) { state.f = inlineNormal; state.block = blockNormal; } // Reset state.trailingSpace state.trailingSpace = 0; state.trailingSpaceNewLine = false; // Mark this line as blank state.prevLine = state.thisLine state.thisLine = null return null; } function blockNormal(stream, state) { var sol = stream.sol(); var prevLineIsList = state.list !== false, prevLineIsIndentedCode = state.indentedCode; state.indentedCode = false; if (prevLineIsList) { if (state.indentationDiff >= 0) { // Continued list if (state.indentationDiff < 4) { // Only adjust indentation if *not* a code block state.indentation -= state.indentationDiff; } state.list = null; } else if (state.indentation > 0) { state.list = null; } else { // No longer a list state.list = false; } } var match = null; if (state.indentationDiff >= 4) { stream.skipToEnd(); if (prevLineIsIndentedCode || lineIsEmpty(state.prevLine)) { state.indentation -= 4; state.indentedCode = true; return tokenTypes.code; } else { return null; } } else if (stream.eatSpace()) { return null; } else if ((match = stream.match(atxHeaderRE)) && match[1].length <= 6) { state.header = match[1].length; if (modeCfg.highlightFormatting) state.formatting = "header"; state.f = state.inline; return getType(state); } else if (!lineIsEmpty(state.prevLine) && !state.quote && !prevLineIsList && !prevLineIsIndentedCode && (match = stream.match(setextHeaderRE))) { state.header = match[0].charAt(0) == '=' ? 1 : 2; if (modeCfg.highlightFormatting) state.formatting = "header"; state.f = state.inline; return getType(state); } else if (stream.eat('>')) { state.quote = sol ? 1 : state.quote + 1; if (modeCfg.highlightFormatting) state.formatting = "quote"; stream.eatSpace(); return getType(state); } else if (stream.peek() === '[') { return switchInline(stream, state, footnoteLink); } else if (stream.match(hrRE, true)) { state.hr = true; return tokenTypes.hr; } else if ((lineIsEmpty(state.prevLine) || prevLineIsList) && (stream.match(ulRE, false) || stream.match(olRE, false))) { var listType = null; if (stream.match(ulRE, true)) { listType = 'ul'; } else { stream.match(olRE, true); listType = 'ol'; } state.indentation = stream.column() + stream.current().length; state.list = true; // While this list item's marker's indentation // is less than the deepest list item's content's indentation, // pop the deepest list item indentation off the stack. while (state.listStack && stream.column() < state.listStack[state.listStack.length - 1]) { state.listStack.pop(); } // Add this list item's content's indentation to the stack state.listStack.push(state.indentation); if (modeCfg.taskLists && stream.match(taskListRE, false)) { state.taskList = true; } state.f = state.inline; if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType]; return getType(state); } else if (modeCfg.fencedCodeBlocks && (match = stream.match(fencedCodeRE, true))) { state.fencedChars = match[1] // try switching mode state.localMode = getMode(match[2]); if (state.localMode) state.localState = CodeMirror.startState(state.localMode); state.f = state.block = local; if (modeCfg.highlightFormatting) state.formatting = "code-block"; state.code = -1 return getType(state); } return switchInline(stream, state, state.inline); } function htmlBlock(stream, state) { var style = htmlMode.token(stream, state.htmlState); if (!htmlModeMissing) { var inner = CodeMirror.innerMode(htmlMode, state.htmlState) if ((inner.mode.name == "xml" && inner.state.tagStart === null && (!inner.state.context && inner.state.tokenize.isInText)) || (state.md_inside && stream.current().indexOf(">") > -1)) { state.f = inlineNormal; state.block = blockNormal; state.htmlState = null; } } return style; } function local(stream, state) { if (state.fencedChars && stream.match(state.fencedChars, false)) { state.localMode = state.localState = null; state.f = state.block = leavingLocal; return null; } else if (state.localMode) { return state.localMode.token(stream, state.localState); } else { stream.skipToEnd(); return tokenTypes.code; } } function leavingLocal(stream, state) { stream.match(state.fencedChars); state.block = blockNormal; state.f = inlineNormal; state.fencedChars = null; if (modeCfg.highlightFormatting) state.formatting = "code-block"; state.code = 1 var returnType = getType(state); state.code = 0 return returnType; } // Inline function getType(state) { var styles = []; if (state.formatting) { styles.push(tokenTypes.formatting); if (typeof state.formatting === "string") state.formatting = [state.formatting]; for (var i = 0; i < state.formatting.length; i++) { styles.push(tokenTypes.formatting + "-" + state.formatting[i]); if (state.formatting[i] === "header") { styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.header); } // Add `formatting-quote` and `formatting-quote-#` for blockquotes // Add `error` instead if the maximum blockquote nesting depth is passed if (state.formatting[i] === "quote") { if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) { styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.quote); } else { styles.push("error"); } } } } if (state.taskOpen) { styles.push("meta"); return styles.length ? styles.join(' ') : null; } if (state.taskClosed) { styles.push("property"); return styles.length ? styles.join(' ') : null; } if (state.linkHref) { styles.push(tokenTypes.linkHref, "url"); } else { // Only apply inline styles to non-url text if (state.strong) { styles.push(tokenTypes.strong); } if (state.em) { styles.push(tokenTypes.em); } if (state.strikethrough) { styles.push(tokenTypes.strikethrough); } if (state.linkText) { styles.push(tokenTypes.linkText); } if (state.code) { styles.push(tokenTypes.code); } } if (state.header) { styles.push(tokenTypes.header, tokenTypes.header + "-" + state.header); } if (state.quote) { styles.push(tokenTypes.quote); // Add `quote-#` where the maximum for `#` is modeCfg.maxBlockquoteDepth if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) { styles.push(tokenTypes.quote + "-" + state.quote); } else { styles.push(tokenTypes.quote + "-" + modeCfg.maxBlockquoteDepth); } } if (state.list !== false) { var listMod = (state.listStack.length - 1) % 3; if (!listMod) { styles.push(tokenTypes.list1); } else if (listMod === 1) { styles.push(tokenTypes.list2); } else { styles.push(tokenTypes.list3); } } if (state.trailingSpaceNewLine) { styles.push("trailing-space-new-line"); } else if (state.trailingSpace) { styles.push("trailing-space-" + (state.trailingSpace % 2 ? "a" : "b")); } return styles.length ? styles.join(' ') : null; } function handleText(stream, state) { if (stream.match(textRE, true)) { return getType(state); } return undefined; } function inlineNormal(stream, state) { var style = state.text(stream, state); if (typeof style !== 'undefined') return style; if (state.list) { // List marker (*, +, -, 1., etc) state.list = null; return getType(state); } if (state.taskList) { var taskOpen = stream.match(taskListRE, true)[1] !== "x"; if (taskOpen) state.taskOpen = true; else state.taskClosed = true; if (modeCfg.highlightFormatting) state.formatting = "task"; state.taskList = false; return getType(state); } state.taskOpen = false; state.taskClosed = false; if (state.header && stream.match(/^#+$/, true)) { if (modeCfg.highlightFormatting) state.formatting = "header"; return getType(state); } // Get sol() value now, before character is consumed var sol = stream.sol(); var ch = stream.next(); // Matches link titles present on next line if (state.linkTitle) { state.linkTitle = false; var matchCh = ch; if (ch === '(') { matchCh = ')'; } matchCh = (matchCh+'').replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1"); var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh; if (stream.match(new RegExp(regex), true)) { return tokenTypes.linkHref; } } // If this block is changed, it may need to be updated in GFM mode if (ch === '`') { var previousFormatting = state.formatting; if (modeCfg.highlightFormatting) state.formatting = "code"; stream.eatWhile('`'); var count = stream.current().length if (state.code == 0) { state.code = count return getType(state) } else if (count == state.code) { // Must be exact var t = getType(state) state.code = 0 return t } else { state.formatting = previousFormatting return getType(state) } } else if (state.code) { return getType(state); } if (ch === '\\') { stream.next(); if (modeCfg.highlightFormatting) { var type = getType(state); var formattingEscape = tokenTypes.formatting + "-escape"; return type ? type + " " + formattingEscape : formattingEscape; } } if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) { stream.match(/\[[^\]]*\]/); state.inline = state.f = linkHref; return tokenTypes.image; } if (ch === '[' && stream.match(/[^\]]*\](\(.*\)| ?\[.*?\])/, false)) { state.linkText = true; if (modeCfg.highlightFormatting) state.formatting = "link"; return getType(state); } if (ch === ']' && state.linkText && stream.match(/\(.*?\)| ?\[.*?\]/, false)) { if (modeCfg.highlightFormatting) state.formatting = "link"; var type = getType(state); state.linkText = false; state.inline = state.f = linkHref; return type; } if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, false)) { state.f = state.inline = linkInline; if (modeCfg.highlightFormatting) state.formatting = "link"; var type = getType(state); if (type){ type += " "; } else { type = ""; } return type + tokenTypes.linkInline; } if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, false)) { state.f = state.inline = linkInline; if (modeCfg.highlightFormatting) state.formatting = "link"; var type = getType(state); if (type){ type += " "; } else { type = ""; } return type + tokenTypes.linkEmail; } if (ch === '<' && stream.match(/^(!--|\w)/, false)) { var end = stream.string.indexOf(">", stream.pos); if (end != -1) { var atts = stream.string.substring(stream.start, end); if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) state.md_inside = true; } stream.backUp(1); state.htmlState = CodeMirror.startState(htmlMode); return switchBlock(stream, state, htmlBlock); } if (ch === '<' && stream.match(/^\/\w*?>/)) { state.md_inside = false; return "tag"; } var ignoreUnderscore = false; if (!modeCfg.underscoresBreakWords) { if (ch === '_' && stream.peek() !== '_' && stream.match(/(\w)/, false)) { var prevPos = stream.pos - 2; if (prevPos >= 0) { var prevCh = stream.string.charAt(prevPos); if (prevCh !== '_' && prevCh.match(/(\w)/, false)) { ignoreUnderscore = true; } } } } if (ch === '*' || (ch === '_' && !ignoreUnderscore)) { if (sol && stream.peek() === ' ') { // Do nothing, surrounded by newline and space } else if (state.strong === ch && stream.eat(ch)) { // Remove STRONG if (modeCfg.highlightFormatting) state.formatting = "strong"; var t = getType(state); state.strong = false; return t; } else if (!state.strong && stream.eat(ch)) { // Add STRONG state.strong = ch; if (modeCfg.highlightFormatting) state.formatting = "strong"; return getType(state); } else if (state.em === ch) { // Remove EM if (modeCfg.highlightFormatting) state.formatting = "em"; var t = getType(state); state.em = false; return t; } else if (!state.em) { // Add EM state.em = ch; if (modeCfg.highlightFormatting) state.formatting = "em"; return getType(state); } } else if (ch === ' ') { if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces if (stream.peek() === ' ') { // Surrounded by spaces, ignore return getType(state); } else { // Not surrounded by spaces, back up pointer stream.backUp(1); } } } if (modeCfg.strikethrough) { if (ch === '~' && stream.eatWhile(ch)) { if (state.strikethrough) {// Remove strikethrough if (modeCfg.highlightFormatting) state.formatting = "strikethrough"; var t = getType(state); state.strikethrough = false; return t; } else if (stream.match(/^[^\s]/, false)) {// Add strikethrough state.strikethrough = true; if (modeCfg.highlightFormatting) state.formatting = "strikethrough"; return getType(state); } } else if (ch === ' ') { if (stream.match(/^~~/, true)) { // Probably surrounded by space if (stream.peek() === ' ') { // Surrounded by spaces, ignore return getType(state); } else { // Not surrounded by spaces, back up pointer stream.backUp(2); } } } } if (ch === ' ') { if (stream.match(/ +$/, false)) { state.trailingSpace++; } else if (state.trailingSpace) { state.trailingSpaceNewLine = true; } } return getType(state); } function linkInline(stream, state) { var ch = stream.next(); if (ch === ">") { state.f = state.inline = inlineNormal; if (modeCfg.highlightFormatting) state.formatting = "link"; var type = getType(state); if (type){ type += " "; } else { type = ""; } return type + tokenTypes.linkInline; } stream.match(/^[^>]+/, true); return tokenTypes.linkInline; } function linkHref(stream, state) { // Check if space, and return NULL if so (to avoid marking the space) if(stream.eatSpace()){ return null; } var ch = stream.next(); if (ch === '(' || ch === '[') { state.f = state.inline = getLinkHrefInside(ch === "(" ? ")" : "]", 0); if (modeCfg.highlightFormatting) state.formatting = "link-string"; state.linkHref = true; return getType(state); } return 'error'; } var linkRE = { ")": /^(?:[^\\\(\)]|\\.|\((?:[^\\\(\)]|\\.)*\))*?(?=\))/, "]": /^(?:[^\\\[\]]|\\.|\[(?:[^\\\[\\]]|\\.)*\])*?(?=\])/ } function getLinkHrefInside(endChar) { return function(stream, state) { var ch = stream.next(); if (ch === endChar) { state.f = state.inline = inlineNormal; if (modeCfg.highlightFormatting) state.formatting = "link-string"; var returnState = getType(state); state.linkHref = false; return returnState; } stream.match(linkRE[endChar]) state.linkHref = true; return getType(state); }; } function footnoteLink(stream, state) { if (stream.match(/^([^\]\\]|\\.)*\]:/, false)) { state.f = footnoteLinkInside; stream.next(); // Consume [ if (modeCfg.highlightFormatting) state.formatting = "link"; state.linkText = true; return getType(state); } return switchInline(stream, state, inlineNormal); } function footnoteLinkInside(stream, state) { if (stream.match(/^\]:/, true)) { state.f = state.inline = footnoteUrl; if (modeCfg.highlightFormatting) state.formatting = "link"; var returnType = getType(state); state.linkText = false; return returnType; } stream.match(/^([^\]\\]|\\.)+/, true); return tokenTypes.linkText; } function footnoteUrl(stream, state) { // Check if space, and return NULL if so (to avoid marking the space) if(stream.eatSpace()){ return null; } // Match URL stream.match(/^[^\s]+/, true); // Check for link title if (stream.peek() === undefined) { // End of line, set flag to check next line state.linkTitle = true; } else { // More content on line, check if link title stream.match(/^(?:\s+(?:"(?:[^"\\]|\\\\|\\.)+"|'(?:[^'\\]|\\\\|\\.)+'|\((?:[^)\\]|\\\\|\\.)+\)))?/, true); } state.f = state.inline = inlineNormal; return tokenTypes.linkHref + " url"; } var mode = { startState: function() { return { f: blockNormal, prevLine: null, thisLine: null, block: blockNormal, htmlState: null, indentation: 0, inline: inlineNormal, text: handleText, formatting: false, linkText: false, linkHref: false, linkTitle: false, code: 0, em: false, strong: false, header: 0, hr: false, taskList: false, list: false, listStack: [], quote: 0, trailingSpace: 0, trailingSpaceNewLine: false, strikethrough: false, fencedChars: null }; }, copyState: function(s) { return { f: s.f, prevLine: s.prevLine, thisLine: s.thisLine, block: s.block, htmlState: s.htmlState && CodeMirror.copyState(htmlMode, s.htmlState), indentation: s.indentation, localMode: s.localMode, localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null, inline: s.inline, text: s.text, formatting: false, linkTitle: s.linkTitle, code: s.code, em: s.em, strong: s.strong, strikethrough: s.strikethrough, header: s.header, hr: s.hr, taskList: s.taskList, list: s.list, listStack: s.listStack.slice(0), quote: s.quote, indentedCode: s.indentedCode, trailingSpace: s.trailingSpace, trailingSpaceNewLine: s.trailingSpaceNewLine, md_inside: s.md_inside, fencedChars: s.fencedChars }; }, token: function(stream, state) { // Reset state.formatting state.formatting = false; if (stream != state.thisLine) { var forceBlankLine = state.header || state.hr; // Reset state.header and state.hr state.header = 0; state.hr = false; if (stream.match(/^\s*$/, true) || forceBlankLine) { blankLine(state); if (!forceBlankLine) return null state.prevLine = null } state.prevLine = state.thisLine state.thisLine = stream // Reset state.taskList state.taskList = false; // Reset state.trailingSpace state.trailingSpace = 0; state.trailingSpaceNewLine = false; state.f = state.block; var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, ' ').length; state.indentationDiff = Math.min(indentation - state.indentation, 4); state.indentation = state.indentation + state.indentationDiff; if (indentation > 0) return null; } return state.f(stream, state); }, innerMode: function(state) { if (state.block == htmlBlock) return {state: state.htmlState, mode: htmlMode}; if (state.localState) return {state: state.localState, mode: state.localMode}; return {state: state, mode: mode}; }, blankLine: blankLine, getType: getType, fold: "markdown" }; return mode; }, "xml"); CodeMirror.defineMIME("text/x-markdown", "markdown"); }); },{"../../lib/codemirror":10,"../meta":13,"../xml/xml":14}],13:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; CodeMirror.modeInfo = [ {name: "APL", mime: "text/apl", mode: "apl", ext: ["dyalog", "apl"]}, {name: "PGP", mimes: ["application/pgp", "application/pgp-keys", "application/pgp-signature"], mode: "asciiarmor", ext: ["pgp"]}, {name: "ASN.1", mime: "text/x-ttcn-asn", mode: "asn.1", ext: ["asn", "asn1"]}, {name: "Asterisk", mime: "text/x-asterisk", mode: "asterisk", file: /^extensions\.conf$/i}, {name: "Brainfuck", mime: "text/x-brainfuck", mode: "brainfuck", ext: ["b", "bf"]}, {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h"]}, {name: "C++", mime: "text/x-c++src", mode: "clike", ext: ["cpp", "c++", "cc", "cxx", "hpp", "h++", "hh", "hxx"], alias: ["cpp"]}, {name: "Cobol", mime: "text/x-cobol", mode: "cobol", ext: ["cob", "cpy"]}, {name: "C#", mime: "text/x-csharp", mode: "clike", ext: ["cs"], alias: ["csharp"]}, {name: "Clojure", mime: "text/x-clojure", mode: "clojure", ext: ["clj", "cljc", "cljx"]}, {name: "ClojureScript", mime: "text/x-clojurescript", mode: "clojure", ext: ["cljs"]}, {name: "Closure Stylesheets (GSS)", mime: "text/x-gss", mode: "css", ext: ["gss"]}, {name: "CMake", mime: "text/x-cmake", mode: "cmake", ext: ["cmake", "cmake.in"], file: /^CMakeLists.txt$/}, {name: "CoffeeScript", mime: "text/x-coffeescript", mode: "coffeescript", ext: ["coffee"], alias: ["coffee", "coffee-script"]}, {name: "Common Lisp", mime: "text/x-common-lisp", mode: "commonlisp", ext: ["cl", "lisp", "el"], alias: ["lisp"]}, {name: "Cypher", mime: "application/x-cypher-query", mode: "cypher", ext: ["cyp", "cypher"]}, {name: "Cython", mime: "text/x-cython", mode: "python", ext: ["pyx", "pxd", "pxi"]}, {name: "Crystal", mime: "text/x-crystal", mode: "crystal", ext: ["cr"]}, {name: "CSS", mime: "text/css", mode: "css", ext: ["css"]}, {name: "CQL", mime: "text/x-cassandra", mode: "sql", ext: ["cql"]}, {name: "D", mime: "text/x-d", mode: "d", ext: ["d"]}, {name: "Dart", mimes: ["application/dart", "text/x-dart"], mode: "dart", ext: ["dart"]}, {name: "diff", mime: "text/x-diff", mode: "diff", ext: ["diff", "patch"]}, {name: "Django", mime: "text/x-django", mode: "django"}, {name: "Dockerfile", mime: "text/x-dockerfile", mode: "dockerfile", file: /^Dockerfile$/}, {name: "DTD", mime: "application/xml-dtd", mode: "dtd", ext: ["dtd"]}, {name: "Dylan", mime: "text/x-dylan", mode: "dylan", ext: ["dylan", "dyl", "intr"]}, {name: "EBNF", mime: "text/x-ebnf", mode: "ebnf"}, {name: "ECL", mime: "text/x-ecl", mode: "ecl", ext: ["ecl"]}, {name: "edn", mime: "application/edn", mode: "clojure", ext: ["edn"]}, {name: "Eiffel", mime: "text/x-eiffel", mode: "eiffel", ext: ["e"]}, {name: "Elm", mime: "text/x-elm", mode: "elm", ext: ["elm"]}, {name: "Embedded Javascript", mime: "application/x-ejs", mode: "htmlembedded", ext: ["ejs"]}, {name: "Embedded Ruby", mime: "application/x-erb", mode: "htmlembedded", ext: ["erb"]}, {name: "Erlang", mime: "text/x-erlang", mode: "erlang", ext: ["erl"]}, {name: "Factor", mime: "text/x-factor", mode: "factor", ext: ["factor"]}, {name: "FCL", mime: "text/x-fcl", mode: "fcl"}, {name: "Forth", mime: "text/x-forth", mode: "forth", ext: ["forth", "fth", "4th"]}, {name: "Fortran", mime: "text/x-fortran", mode: "fortran", ext: ["f", "for", "f77", "f90"]}, {name: "F#", mime: "text/x-fsharp", mode: "mllike", ext: ["fs"], alias: ["fsharp"]}, {name: "Gas", mime: "text/x-gas", mode: "gas", ext: ["s"]}, {name: "Gherkin", mime: "text/x-feature", mode: "gherkin", ext: ["feature"]}, {name: "GitHub Flavored Markdown", mime: "text/x-gfm", mode: "gfm", file: /^(readme|contributing|history).md$/i}, {name: "Go", mime: "text/x-go", mode: "go", ext: ["go"]}, {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy", "gradle"]}, {name: "HAML", mime: "text/x-haml", mode: "haml", ext: ["haml"]}, {name: "Haskell", mime: "text/x-haskell", mode: "haskell", ext: ["hs"]}, {name: "Haskell (Literate)", mime: "text/x-literate-haskell", mode: "haskell-literate", ext: ["lhs"]}, {name: "Haxe", mime: "text/x-haxe", mode: "haxe", ext: ["hx"]}, {name: "HXML", mime: "text/x-hxml", mode: "haxe", ext: ["hxml"]}, {name: "ASP.NET", mime: "application/x-aspx", mode: "htmlembedded", ext: ["aspx"], alias: ["asp", "aspx"]}, {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm"], alias: ["xhtml"]}, {name: "HTTP", mime: "message/http", mode: "http"}, {name: "IDL", mime: "text/x-idl", mode: "idl", ext: ["pro"]}, {name: "Jade", mime: "text/x-jade", mode: "jade", ext: ["jade"]}, {name: "Java", mime: "text/x-java", mode: "clike", ext: ["java"]}, {name: "Java Server Pages", mime: "application/x-jsp", mode: "htmlembedded", ext: ["jsp"], alias: ["jsp"]}, {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/x-javascript", "application/ecmascript"], mode: "javascript", ext: ["js"], alias: ["ecmascript", "js", "node"]}, {name: "JSON", mimes: ["application/json", "application/x-json"], mode: "javascript", ext: ["json", "map"], alias: ["json5"]}, {name: "JSON-LD", mime: "application/ld+json", mode: "javascript", ext: ["jsonld"], alias: ["jsonld"]}, {name: "JSX", mime: "text/jsx", mode: "jsx", ext: ["jsx"]}, {name: "Jinja2", mime: "null", mode: "jinja2"}, {name: "Julia", mime: "text/x-julia", mode: "julia", ext: ["jl"]}, {name: "Kotlin", mime: "text/x-kotlin", mode: "clike", ext: ["kt"]}, {name: "LESS", mime: "text/x-less", mode: "css", ext: ["less"]}, {name: "LiveScript", mime: "text/x-livescript", mode: "livescript", ext: ["ls"], alias: ["ls"]}, {name: "Lua", mime: "text/x-lua", mode: "lua", ext: ["lua"]}, {name: "Markdown", mime: "text/x-markdown", mode: "markdown", ext: ["markdown", "md", "mkd"]}, {name: "mIRC", mime: "text/mirc", mode: "mirc"}, {name: "MariaDB SQL", mime: "text/x-mariadb", mode: "sql"}, {name: "Mathematica", mime: "text/x-mathematica", mode: "mathematica", ext: ["m", "nb"]}, {name: "Modelica", mime: "text/x-modelica", mode: "modelica", ext: ["mo"]}, {name: "MUMPS", mime: "text/x-mumps", mode: "mumps", ext: ["mps"]}, {name: "MS SQL", mime: "text/x-mssql", mode: "sql"}, {name: "mbox", mime: "application/mbox", mode: "mbox", ext: ["mbox"]}, {name: "MySQL", mime: "text/x-mysql", mode: "sql"}, {name: "Nginx", mime: "text/x-nginx-conf", mode: "nginx", file: /nginx.*\.conf$/i}, {name: "NSIS", mime: "text/x-nsis", mode: "nsis", ext: ["nsh", "nsi"]}, {name: "NTriples", mime: "text/n-triples", mode: "ntriples", ext: ["nt"]}, {name: "Objective C", mime: "text/x-objectivec", mode: "clike", ext: ["m", "mm"], alias: ["objective-c", "objc"]}, {name: "OCaml", mime: "text/x-ocaml", mode: "mllike", ext: ["ml", "mli", "mll", "mly"]}, {name: "Octave", mime: "text/x-octave", mode: "octave", ext: ["m"]}, {name: "Oz", mime: "text/x-oz", mode: "oz", ext: ["oz"]}, {name: "Pascal", mime: "text/x-pascal", mode: "pascal", ext: ["p", "pas"]}, {name: "PEG.js", mime: "null", mode: "pegjs", ext: ["jsonld"]}, {name: "Perl", mime: "text/x-perl", mode: "perl", ext: ["pl", "pm"]}, {name: "PHP", mime: "application/x-httpd-php", mode: "php", ext: ["php", "php3", "php4", "php5", "phtml"]}, {name: "Pig", mime: "text/x-pig", mode: "pig", ext: ["pig"]}, {name: "Plain Text", mime: "text/plain", mode: "null", ext: ["txt", "text", "conf", "def", "list", "log"]}, {name: "PLSQL", mime: "text/x-plsql", mode: "sql", ext: ["pls"]}, {name: "PowerShell", mime: "application/x-powershell", mode: "powershell", ext: ["ps1", "psd1", "psm1"]}, {name: "Properties files", mime: "text/x-properties", mode: "properties", ext: ["properties", "ini", "in"], alias: ["ini", "properties"]}, {name: "ProtoBuf", mime: "text/x-protobuf", mode: "protobuf", ext: ["proto"]}, {name: "Python", mime: "text/x-python", mode: "python", ext: ["BUILD", "bzl", "py", "pyw"], file: /^(BUCK|BUILD)$/}, {name: "Puppet", mime: "text/x-puppet", mode: "puppet", ext: ["pp"]}, {name: "Q", mime: "text/x-q", mode: "q", ext: ["q"]}, {name: "R", mime: "text/x-rsrc", mode: "r", ext: ["r"], alias: ["rscript"]}, {name: "reStructuredText", mime: "text/x-rst", mode: "rst", ext: ["rst"], alias: ["rst"]}, {name: "RPM Changes", mime: "text/x-rpm-changes", mode: "rpm"}, {name: "RPM Spec", mime: "text/x-rpm-spec", mode: "rpm", ext: ["spec"]}, {name: "Ruby", mime: "text/x-ruby", mode: "ruby", ext: ["rb"], alias: ["jruby", "macruby", "rake", "rb", "rbx"]}, {name: "Rust", mime: "text/x-rustsrc", mode: "rust", ext: ["rs"]}, {name: "SAS", mime: "text/x-sas", mode: "sas", ext: ["sas"]}, {name: "Sass", mime: "text/x-sass", mode: "sass", ext: ["sass"]}, {name: "Scala", mime: "text/x-scala", mode: "clike", ext: ["scala"]}, {name: "Scheme", mime: "text/x-scheme", mode: "scheme", ext: ["scm", "ss"]}, {name: "SCSS", mime: "text/x-scss", mode: "css", ext: ["scss"]}, {name: "Shell", mime: "text/x-sh", mode: "shell", ext: ["sh", "ksh", "bash"], alias: ["bash", "sh", "zsh"], file: /^PKGBUILD$/}, {name: "Sieve", mime: "application/sieve", mode: "sieve", ext: ["siv", "sieve"]}, {name: "Slim", mimes: ["text/x-slim", "application/x-slim"], mode: "slim", ext: ["slim"]}, {name: "Smalltalk", mime: "text/x-stsrc", mode: "smalltalk", ext: ["st"]}, {name: "Smarty", mime: "text/x-smarty", mode: "smarty", ext: ["tpl"]}, {name: "Solr", mime: "text/x-solr", mode: "solr"}, {name: "Soy", mime: "text/x-soy", mode: "soy", ext: ["soy"], alias: ["closure template"]}, {name: "SPARQL", mime: "application/sparql-query", mode: "sparql", ext: ["rq", "sparql"], alias: ["sparul"]}, {name: "Spreadsheet", mime: "text/x-spreadsheet", mode: "spreadsheet", alias: ["excel", "formula"]}, {name: "SQL", mime: "text/x-sql", mode: "sql", ext: ["sql"]}, {name: "Squirrel", mime: "text/x-squirrel", mode: "clike", ext: ["nut"]}, {name: "Swift", mime: "text/x-swift", mode: "swift", ext: ["swift"]}, {name: "sTeX", mime: "text/x-stex", mode: "stex"}, {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx"], alias: ["tex"]}, {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v"]}, {name: "Tcl", mime: "text/x-tcl", mode: "tcl", ext: ["tcl"]}, {name: "Textile", mime: "text/x-textile", mode: "textile", ext: ["textile"]}, {name: "TiddlyWiki ", mime: "text/x-tiddlywiki", mode: "tiddlywiki"}, {name: "Tiki wiki", mime: "text/tiki", mode: "tiki"}, {name: "TOML", mime: "text/x-toml", mode: "toml", ext: ["toml"]}, {name: "Tornado", mime: "text/x-tornado", mode: "tornado"}, {name: "troff", mime: "text/troff", mode: "troff", ext: ["1", "2", "3", "4", "5", "6", "7", "8", "9"]}, {name: "TTCN", mime: "text/x-ttcn", mode: "ttcn", ext: ["ttcn", "ttcn3", "ttcnpp"]}, {name: "TTCN_CFG", mime: "text/x-ttcn-cfg", mode: "ttcn-cfg", ext: ["cfg"]}, {name: "Turtle", mime: "text/turtle", mode: "turtle", ext: ["ttl"]}, {name: "TypeScript", mime: "application/typescript", mode: "javascript", ext: ["ts"], alias: ["ts"]}, {name: "Twig", mime: "text/x-twig", mode: "twig"}, {name: "Web IDL", mime: "text/x-webidl", mode: "webidl", ext: ["webidl"]}, {name: "VB.NET", mime: "text/x-vb", mode: "vb", ext: ["vb"]}, {name: "VBScript", mime: "text/vbscript", mode: "vbscript", ext: ["vbs"]}, {name: "Velocity", mime: "text/velocity", mode: "velocity", ext: ["vtl"]}, {name: "Verilog", mime: "text/x-verilog", mode: "verilog", ext: ["v"]}, {name: "VHDL", mime: "text/x-vhdl", mode: "vhdl", ext: ["vhd", "vhdl"]}, {name: "XML", mimes: ["application/xml", "text/xml"], mode: "xml", ext: ["xml", "xsl", "xsd"], alias: ["rss", "wsdl", "xsd"]}, {name: "XQuery", mime: "application/xquery", mode: "xquery", ext: ["xy", "xquery"]}, {name: "Yacas", mime: "text/x-yacas", mode: "yacas", ext: ["ys"]}, {name: "YAML", mime: "text/x-yaml", mode: "yaml", ext: ["yaml", "yml"], alias: ["yml"]}, {name: "Z80", mime: "text/x-z80", mode: "z80", ext: ["z80"]}, {name: "mscgen", mime: "text/x-mscgen", mode: "mscgen", ext: ["mscgen", "mscin", "msc"]}, {name: "xu", mime: "text/x-xu", mode: "mscgen", ext: ["xu"]}, {name: "msgenny", mime: "text/x-msgenny", mode: "mscgen", ext: ["msgenny"]} ]; // Ensure all modes have a mime property for backwards compatibility for (var i = 0; i < CodeMirror.modeInfo.length; i++) { var info = CodeMirror.modeInfo[i]; if (info.mimes) info.mime = info.mimes[0]; } CodeMirror.findModeByMIME = function(mime) { mime = mime.toLowerCase(); for (var i = 0; i < CodeMirror.modeInfo.length; i++) { var info = CodeMirror.modeInfo[i]; if (info.mime == mime) return info; if (info.mimes) for (var j = 0; j < info.mimes.length; j++) if (info.mimes[j] == mime) return info; } }; CodeMirror.findModeByExtension = function(ext) { for (var i = 0; i < CodeMirror.modeInfo.length; i++) { var info = CodeMirror.modeInfo[i]; if (info.ext) for (var j = 0; j < info.ext.length; j++) if (info.ext[j] == ext) return info; } }; CodeMirror.findModeByFileName = function(filename) { for (var i = 0; i < CodeMirror.modeInfo.length; i++) { var info = CodeMirror.modeInfo[i]; if (info.file && info.file.test(filename)) return info; } var dot = filename.lastIndexOf("."); var ext = dot > -1 && filename.substring(dot + 1, filename.length); if (ext) return CodeMirror.findModeByExtension(ext); }; CodeMirror.findModeByName = function(name) { name = name.toLowerCase(); for (var i = 0; i < CodeMirror.modeInfo.length; i++) { var info = CodeMirror.modeInfo[i]; if (info.name.toLowerCase() == name) return info; if (info.alias) for (var j = 0; j < info.alias.length; j++) if (info.alias[j].toLowerCase() == name) return info; } }; }); },{"../lib/codemirror":10}],14:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; var htmlConfig = { autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true, 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true, 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true, 'track': true, 'wbr': true, 'menuitem': true}, implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true, 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true, 'th': true, 'tr': true}, contextGrabbers: { 'dd': {'dd': true, 'dt': true}, 'dt': {'dd': true, 'dt': true}, 'li': {'li': true}, 'option': {'option': true, 'optgroup': true}, 'optgroup': {'optgroup': true}, 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true, 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true, 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true, 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true, 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true}, 'rp': {'rp': true, 'rt': true}, 'rt': {'rp': true, 'rt': true}, 'tbody': {'tbody': true, 'tfoot': true}, 'td': {'td': true, 'th': true}, 'tfoot': {'tbody': true}, 'th': {'td': true, 'th': true}, 'thead': {'tbody': true, 'tfoot': true}, 'tr': {'tr': true} }, doNotIndent: {"pre": true}, allowUnquoted: true, allowMissing: true, caseFold: true } var xmlConfig = { autoSelfClosers: {}, implicitlyClosed: {}, contextGrabbers: {}, doNotIndent: {}, allowUnquoted: false, allowMissing: false, caseFold: false } CodeMirror.defineMode("xml", function(editorConf, config_) { var indentUnit = editorConf.indentUnit var config = {} var defaults = config_.htmlMode ? htmlConfig : xmlConfig for (var prop in defaults) config[prop] = defaults[prop] for (var prop in config_) config[prop] = config_[prop] // Return variables for tokenizers var type, setStyle; function inText(stream, state) { function chain(parser) { state.tokenize = parser; return parser(stream, state); } var ch = stream.next(); if (ch == "<") { if (stream.eat("!")) { if (stream.eat("[")) { if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>")); else return null; } else if (stream.match("--")) { return chain(inBlock("comment", "-->")); } else if (stream.match("DOCTYPE", true, true)) { stream.eatWhile(/[\w\._\-]/); return chain(doctype(1)); } else { return null; } } else if (stream.eat("?")) { stream.eatWhile(/[\w\._\-]/); state.tokenize = inBlock("meta", "?>"); return "meta"; } else { type = stream.eat("/") ? "closeTag" : "openTag"; state.tokenize = inTag; return "tag bracket"; } } else if (ch == "&") { var ok; if (stream.eat("#")) { if (stream.eat("x")) { ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";"); } else { ok = stream.eatWhile(/[\d]/) && stream.eat(";"); } } else { ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";"); } return ok ? "atom" : "error"; } else { stream.eatWhile(/[^&<]/); return null; } } inText.isInText = true; function inTag(stream, state) { var ch = stream.next(); if (ch == ">" || (ch == "/" && stream.eat(">"))) { state.tokenize = inText; type = ch == ">" ? "endTag" : "selfcloseTag"; return "tag bracket"; } else if (ch == "=") { type = "equals"; return null; } else if (ch == "<") { state.tokenize = inText; state.state = baseState; state.tagName = state.tagStart = null; var next = state.tokenize(stream, state); return next ? next + " tag error" : "tag error"; } else if (/[\'\"]/.test(ch)) { state.tokenize = inAttribute(ch); state.stringStartCol = stream.column(); return state.tokenize(stream, state); } else { stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/); return "word"; } } function inAttribute(quote) { var closure = function(stream, state) { while (!stream.eol()) { if (stream.next() == quote) { state.tokenize = inTag; break; } } return "string"; }; closure.isInAttribute = true; return closure; } function inBlock(style, terminator) { return function(stream, state) { while (!stream.eol()) { if (stream.match(terminator)) { state.tokenize = inText; break; } stream.next(); } return style; }; } function doctype(depth) { return function(stream, state) { var ch; while ((ch = stream.next()) != null) { if (ch == "<") { state.tokenize = doctype(depth + 1); return state.tokenize(stream, state); } else if (ch == ">") { if (depth == 1) { state.tokenize = inText; break; } else { state.tokenize = doctype(depth - 1); return state.tokenize(stream, state); } } } return "meta"; }; } function Context(state, tagName, startOfLine) { this.prev = state.context; this.tagName = tagName; this.indent = state.indented; this.startOfLine = startOfLine; if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent)) this.noIndent = true; } function popContext(state) { if (state.context) state.context = state.context.prev; } function maybePopContext(state, nextTagName) { var parentTagName; while (true) { if (!state.context) { return; } parentTagName = state.context.tagName; if (!config.contextGrabbers.hasOwnProperty(parentTagName) || !config.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) { return; } popContext(state); } } function baseState(type, stream, state) { if (type == "openTag") { state.tagStart = stream.column(); return tagNameState; } else if (type == "closeTag") { return closeTagNameState; } else { return baseState; } } function tagNameState(type, stream, state) { if (type == "word") { state.tagName = stream.current(); setStyle = "tag"; return attrState; } else { setStyle = "error"; return tagNameState; } } function closeTagNameState(type, stream, state) { if (type == "word") { var tagName = stream.current(); if (state.context && state.context.tagName != tagName && config.implicitlyClosed.hasOwnProperty(state.context.tagName)) popContext(state); if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) { setStyle = "tag"; return closeState; } else { setStyle = "tag error"; return closeStateErr; } } else { setStyle = "error"; return closeStateErr; } } function closeState(type, _stream, state) { if (type != "endTag") { setStyle = "error"; return closeState; } popContext(state); return baseState; } function closeStateErr(type, stream, state) { setStyle = "error"; return closeState(type, stream, state); } function attrState(type, _stream, state) { if (type == "word") { setStyle = "attribute"; return attrEqState; } else if (type == "endTag" || type == "selfcloseTag") { var tagName = state.tagName, tagStart = state.tagStart; state.tagName = state.tagStart = null; if (type == "selfcloseTag" || config.autoSelfClosers.hasOwnProperty(tagName)) { maybePopContext(state, tagName); } else { maybePopContext(state, tagName); state.context = new Context(state, tagName, tagStart == state.indented); } return baseState; } setStyle = "error"; return attrState; } function attrEqState(type, stream, state) { if (type == "equals") return attrValueState; if (!config.allowMissing) setStyle = "error"; return attrState(type, stream, state); } function attrValueState(type, stream, state) { if (type == "string") return attrContinuedState; if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;} setStyle = "error"; return attrState(type, stream, state); } function attrContinuedState(type, stream, state) { if (type == "string") return attrContinuedState; return attrState(type, stream, state); } return { startState: function(baseIndent) { var state = {tokenize: inText, state: baseState, indented: baseIndent || 0, tagName: null, tagStart: null, context: null} if (baseIndent != null) state.baseIndent = baseIndent return state }, token: function(stream, state) { if (!state.tagName && stream.sol()) state.indented = stream.indentation(); if (stream.eatSpace()) return null; type = null; var style = state.tokenize(stream, state); if ((style || type) && style != "comment") { setStyle = null; state.state = state.state(type || style, stream, state); if (setStyle) style = setStyle == "error" ? style + " error" : setStyle; } return style; }, indent: function(state, textAfter, fullLine) { var context = state.context; // Indent multi-line strings (e.g. css). if (state.tokenize.isInAttribute) { if (state.tagStart == state.indented) return state.stringStartCol + 1; else return state.indented + indentUnit; } if (context && context.noIndent) return CodeMirror.Pass; if (state.tokenize != inTag && state.tokenize != inText) return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0; // Indent the starts of attribute names. if (state.tagName) { if (config.multilineTagIndentPastTag !== false) return state.tagStart + state.tagName.length + 2; else return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1); } if (config.alignCDATA && /$/, blockCommentStart: "", configuration: config.htmlMode ? "html" : "xml", helperType: config.htmlMode ? "html" : "xml", skipAttribute: function(state) { if (state.state == attrValueState) state.state = attrState } }; }); CodeMirror.defineMIME("text/xml", "xml"); CodeMirror.defineMIME("application/xml", "xml"); if (!CodeMirror.mimeModes.hasOwnProperty("text/html")) CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true}); }); },{"../../lib/codemirror":10}],15:[function(require,module,exports){ exports.read = function (buffer, offset, isLE, mLen, nBytes) { var e, m var eLen = nBytes * 8 - mLen - 1 var eMax = (1 << eLen) - 1 var eBias = eMax >> 1 var nBits = -7 var i = isLE ? (nBytes - 1) : 0 var d = isLE ? -1 : 1 var s = buffer[offset + i] i += d e = s & ((1 << (-nBits)) - 1) s >>= (-nBits) nBits += eLen for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {} m = e & ((1 << (-nBits)) - 1) e >>= (-nBits) nBits += mLen for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {} if (e === 0) { e = 1 - eBias } else if (e === eMax) { return m ? NaN : ((s ? -1 : 1) * Infinity) } else { m = m + Math.pow(2, mLen) e = e - eBias } return (s ? -1 : 1) * m * Math.pow(2, e - mLen) } exports.write = function (buffer, value, offset, isLE, mLen, nBytes) { var e, m, c var eLen = nBytes * 8 - mLen - 1 var eMax = (1 << eLen) - 1 var eBias = eMax >> 1 var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0) var i = isLE ? 0 : (nBytes - 1) var d = isLE ? 1 : -1 var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0 value = Math.abs(value) if (isNaN(value) || value === Infinity) { m = isNaN(value) ? 1 : 0 e = eMax } else { e = Math.floor(Math.log(value) / Math.LN2) if (value * (c = Math.pow(2, -e)) < 1) { e-- c *= 2 } if (e + eBias >= 1) { value += rt / c } else { value += rt * Math.pow(2, 1 - eBias) } if (value * c >= 2) { e++ c /= 2 } if (e + eBias >= eMax) { m = 0 e = eMax } else if (e + eBias >= 1) { m = (value * c - 1) * Math.pow(2, mLen) e = e + eBias } else { m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen) e = 0 } } for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {} e = (e << mLen) | m eLen += mLen for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {} buffer[offset + i - d] |= s * 128 } },{}],16:[function(require,module,exports){ var toString = {}.toString; module.exports = Array.isArray || function (arr) { return toString.call(arr) == '[object Array]'; }; },{}],17:[function(require,module,exports){ (function (global){ /** * marked - a markdown parser * Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed) * https://github.com/chjj/marked */ ;(function() { /** * Block-Level Grammar */ var block = { newline: /^\n+/, code: /^( {4}[^\n]+\n*)+/, fences: noop, hr: /^( *[-*_]){3,} *(?:\n+|$)/, heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/, nptable: noop, lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/, blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/, list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/, html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/, def: /^ *\[([^\]]+)\]: *]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/, table: noop, paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/, text: /^[^\n]+/ }; block.bullet = /(?:[*+-]|\d+\.)/; block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/; block.item = replace(block.item, 'gm') (/bull/g, block.bullet) (); block.list = replace(block.list) (/bull/g, block.bullet) ('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))') ('def', '\\n+(?=' + block.def.source + ')') (); block.blockquote = replace(block.blockquote) ('def', block.def) (); block._tag = '(?!(?:' + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code' + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo' + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b'; block.html = replace(block.html) ('comment', //) ('closed', /<(tag)[\s\S]+?<\/\1>/) ('closing', /])*?>/) (/tag/g, block._tag) (); block.paragraph = replace(block.paragraph) ('hr', block.hr) ('heading', block.heading) ('lheading', block.lheading) ('blockquote', block.blockquote) ('tag', '<' + block._tag) ('def', block.def) (); /** * Normal Block Grammar */ block.normal = merge({}, block); /** * GFM Block Grammar */ block.gfm = merge({}, block.normal, { fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/, paragraph: /^/, heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/ }); block.gfm.paragraph = replace(block.paragraph) ('(?!', '(?!' + block.gfm.fences.source.replace('\\1', '\\2') + '|' + block.list.source.replace('\\1', '\\3') + '|') (); /** * GFM + Tables Block Grammar */ block.tables = merge({}, block.gfm, { nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/, table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/ }); /** * Block Lexer */ function Lexer(options) { this.tokens = []; this.tokens.links = {}; this.options = options || marked.defaults; this.rules = block.normal; if (this.options.gfm) { if (this.options.tables) { this.rules = block.tables; } else { this.rules = block.gfm; } } } /** * Expose Block Rules */ Lexer.rules = block; /** * Static Lex Method */ Lexer.lex = function(src, options) { var lexer = new Lexer(options); return lexer.lex(src); }; /** * Preprocessing */ Lexer.prototype.lex = function(src) { src = src .replace(/\r\n|\r/g, '\n') .replace(/\t/g, ' ') .replace(/\u00a0/g, ' ') .replace(/\u2424/g, '\n'); return this.token(src, true); }; /** * Lexing */ Lexer.prototype.token = function(src, top, bq) { var src = src.replace(/^ +$/gm, '') , next , loose , cap , bull , b , item , space , i , l; while (src) { // newline if (cap = this.rules.newline.exec(src)) { src = src.substring(cap[0].length); if (cap[0].length > 1) { this.tokens.push({ type: 'space' }); } } // code if (cap = this.rules.code.exec(src)) { src = src.substring(cap[0].length); cap = cap[0].replace(/^ {4}/gm, ''); this.tokens.push({ type: 'code', text: !this.options.pedantic ? cap.replace(/\n+$/, '') : cap }); continue; } // fences (gfm) if (cap = this.rules.fences.exec(src)) { src = src.substring(cap[0].length); this.tokens.push({ type: 'code', lang: cap[2], text: cap[3] || '' }); continue; } // heading if (cap = this.rules.heading.exec(src)) { src = src.substring(cap[0].length); this.tokens.push({ type: 'heading', depth: cap[1].length, text: cap[2] }); continue; } // table no leading pipe (gfm) if (top && (cap = this.rules.nptable.exec(src))) { src = src.substring(cap[0].length); item = { type: 'table', header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), cells: cap[3].replace(/\n$/, '').split('\n') }; for (i = 0; i < item.align.length; i++) { if (/^ *-+: *$/.test(item.align[i])) { item.align[i] = 'right'; } else if (/^ *:-+: *$/.test(item.align[i])) { item.align[i] = 'center'; } else if (/^ *:-+ *$/.test(item.align[i])) { item.align[i] = 'left'; } else { item.align[i] = null; } } for (i = 0; i < item.cells.length; i++) { item.cells[i] = item.cells[i].split(/ *\| */); } this.tokens.push(item); continue; } // lheading if (cap = this.rules.lheading.exec(src)) { src = src.substring(cap[0].length); this.tokens.push({ type: 'heading', depth: cap[2] === '=' ? 1 : 2, text: cap[1] }); continue; } // hr if (cap = this.rules.hr.exec(src)) { src = src.substring(cap[0].length); this.tokens.push({ type: 'hr' }); continue; } // blockquote if (cap = this.rules.blockquote.exec(src)) { src = src.substring(cap[0].length); this.tokens.push({ type: 'blockquote_start' }); cap = cap[0].replace(/^ *> ?/gm, ''); // Pass `top` to keep the current // "toplevel" state. This is exactly // how markdown.pl works. this.token(cap, top, true); this.tokens.push({ type: 'blockquote_end' }); continue; } // list if (cap = this.rules.list.exec(src)) { src = src.substring(cap[0].length); bull = cap[2]; this.tokens.push({ type: 'list_start', ordered: bull.length > 1 }); // Get each top-level item. cap = cap[0].match(this.rules.item); next = false; l = cap.length; i = 0; for (; i < l; i++) { item = cap[i]; // Remove the list item's bullet // so it is seen as the next token. space = item.length; item = item.replace(/^ *([*+-]|\d+\.) +/, ''); // Outdent whatever the // list item contains. Hacky. if (~item.indexOf('\n ')) { space -= item.length; item = !this.options.pedantic ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '') : item.replace(/^ {1,4}/gm, ''); } // Determine whether the next list item belongs here. // Backpedal if it does not belong in this list. if (this.options.smartLists && i !== l - 1) { b = block.bullet.exec(cap[i + 1])[0]; if (bull !== b && !(bull.length > 1 && b.length > 1)) { src = cap.slice(i + 1).join('\n') + src; i = l - 1; } } // Determine whether item is loose or not. // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/ // for discount behavior. loose = next || /\n\n(?!\s*$)/.test(item); if (i !== l - 1) { next = item.charAt(item.length - 1) === '\n'; if (!loose) loose = next; } this.tokens.push({ type: loose ? 'loose_item_start' : 'list_item_start' }); // Recurse. this.token(item, false, bq); this.tokens.push({ type: 'list_item_end' }); } this.tokens.push({ type: 'list_end' }); continue; } // html if (cap = this.rules.html.exec(src)) { src = src.substring(cap[0].length); this.tokens.push({ type: this.options.sanitize ? 'paragraph' : 'html', pre: !this.options.sanitizer && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'), text: cap[0] }); continue; } // def if ((!bq && top) && (cap = this.rules.def.exec(src))) { src = src.substring(cap[0].length); this.tokens.links[cap[1].toLowerCase()] = { href: cap[2], title: cap[3] }; continue; } // table (gfm) if (top && (cap = this.rules.table.exec(src))) { src = src.substring(cap[0].length); item = { type: 'table', header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */), align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */), cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n') }; for (i = 0; i < item.align.length; i++) { if (/^ *-+: *$/.test(item.align[i])) { item.align[i] = 'right'; } else if (/^ *:-+: *$/.test(item.align[i])) { item.align[i] = 'center'; } else if (/^ *:-+ *$/.test(item.align[i])) { item.align[i] = 'left'; } else { item.align[i] = null; } } for (i = 0; i < item.cells.length; i++) { item.cells[i] = item.cells[i] .replace(/^ *\| *| *\| *$/g, '') .split(/ *\| */); } this.tokens.push(item); continue; } // top-level paragraph if (top && (cap = this.rules.paragraph.exec(src))) { src = src.substring(cap[0].length); this.tokens.push({ type: 'paragraph', text: cap[1].charAt(cap[1].length - 1) === '\n' ? cap[1].slice(0, -1) : cap[1] }); continue; } // text if (cap = this.rules.text.exec(src)) { // Top-level should never reach here. src = src.substring(cap[0].length); this.tokens.push({ type: 'text', text: cap[0] }); continue; } if (src) { throw new Error('Infinite loop on byte: ' + src.charCodeAt(0)); } } return this.tokens; }; /** * Inline-Level Grammar */ var inline = { escape: /^\\([\\`*{}\[\]()#+\-.!_>])/, autolink: /^<([^ >]+(@|:\/)[^ >]+)>/, url: noop, tag: /^|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/, link: /^!?\[(inside)\]\(href\)/, reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/, nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/, strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/, em: /^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/, code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/, br: /^ {2,}\n(?!\s*$)/, del: noop, text: /^[\s\S]+?(?=[\\?(?:\s+['"]([\s\S]*?)['"])?\s*/; inline.link = replace(inline.link) ('inside', inline._inside) ('href', inline._href) (); inline.reflink = replace(inline.reflink) ('inside', inline._inside) (); /** * Normal Inline Grammar */ inline.normal = merge({}, inline); /** * Pedantic Inline Grammar */ inline.pedantic = merge({}, inline.normal, { strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/, em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/ }); /** * GFM Inline Grammar */ inline.gfm = merge({}, inline.normal, { escape: replace(inline.escape)('])', '~|])')(), url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/, del: /^~~(?=\S)([\s\S]*?\S)~~/, text: replace(inline.text) (']|', '~]|') ('|', '|https?://|') () }); /** * GFM + Line Breaks Inline Grammar */ inline.breaks = merge({}, inline.gfm, { br: replace(inline.br)('{2,}', '*')(), text: replace(inline.gfm.text)('{2,}', '*')() }); /** * Inline Lexer & Compiler */ function InlineLexer(links, options) { this.options = options || marked.defaults; this.links = links; this.rules = inline.normal; this.renderer = this.options.renderer || new Renderer; this.renderer.options = this.options; if (!this.links) { throw new Error('Tokens array requires a `links` property.'); } if (this.options.gfm) { if (this.options.breaks) { this.rules = inline.breaks; } else { this.rules = inline.gfm; } } else if (this.options.pedantic) { this.rules = inline.pedantic; } } /** * Expose Inline Rules */ InlineLexer.rules = inline; /** * Static Lexing/Compiling Method */ InlineLexer.output = function(src, links, options) { var inline = new InlineLexer(links, options); return inline.output(src); }; /** * Lexing/Compiling */ InlineLexer.prototype.output = function(src) { var out = '' , link , text , href , cap; while (src) { // escape if (cap = this.rules.escape.exec(src)) { src = src.substring(cap[0].length); out += cap[1]; continue; } // autolink if (cap = this.rules.autolink.exec(src)) { src = src.substring(cap[0].length); if (cap[2] === '@') { text = cap[1].charAt(6) === ':' ? this.mangle(cap[1].substring(7)) : this.mangle(cap[1]); href = this.mangle('mailto:') + text; } else { text = escape(cap[1]); href = text; } out += this.renderer.link(href, null, text); continue; } // url (gfm) if (!this.inLink && (cap = this.rules.url.exec(src))) { src = src.substring(cap[0].length); text = escape(cap[1]); href = text; out += this.renderer.link(href, null, text); continue; } // tag if (cap = this.rules.tag.exec(src)) { if (!this.inLink && /^/i.test(cap[0])) { this.inLink = false; } src = src.substring(cap[0].length); out += this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape(cap[0]) : cap[0] continue; } // link if (cap = this.rules.link.exec(src)) { src = src.substring(cap[0].length); this.inLink = true; out += this.outputLink(cap, { href: cap[2], title: cap[3] }); this.inLink = false; continue; } // reflink, nolink if ((cap = this.rules.reflink.exec(src)) || (cap = this.rules.nolink.exec(src))) { src = src.substring(cap[0].length); link = (cap[2] || cap[1]).replace(/\s+/g, ' '); link = this.links[link.toLowerCase()]; if (!link || !link.href) { out += cap[0].charAt(0); src = cap[0].substring(1) + src; continue; } this.inLink = true; out += this.outputLink(cap, link); this.inLink = false; continue; } // strong if (cap = this.rules.strong.exec(src)) { src = src.substring(cap[0].length); out += this.renderer.strong(this.output(cap[2] || cap[1])); continue; } // em if (cap = this.rules.em.exec(src)) { src = src.substring(cap[0].length); out += this.renderer.em(this.output(cap[2] || cap[1])); continue; } // code if (cap = this.rules.code.exec(src)) { src = src.substring(cap[0].length); out += this.renderer.codespan(escape(cap[2], true)); continue; } // br if (cap = this.rules.br.exec(src)) { src = src.substring(cap[0].length); out += this.renderer.br(); continue; } // del (gfm) if (cap = this.rules.del.exec(src)) { src = src.substring(cap[0].length); out += this.renderer.del(this.output(cap[1])); continue; } // text if (cap = this.rules.text.exec(src)) { src = src.substring(cap[0].length); out += this.renderer.text(escape(this.smartypants(cap[0]))); continue; } if (src) { throw new Error('Infinite loop on byte: ' + src.charCodeAt(0)); } } return out; }; /** * Compile Link */ InlineLexer.prototype.outputLink = function(cap, link) { var href = escape(link.href) , title = link.title ? escape(link.title) : null; return cap[0].charAt(0) !== '!' ? this.renderer.link(href, title, this.output(cap[1])) : this.renderer.image(href, title, escape(cap[1])); }; /** * Smartypants Transformations */ InlineLexer.prototype.smartypants = function(text) { if (!this.options.smartypants) return text; return text // em-dashes .replace(/---/g, '\u2014') // en-dashes .replace(/--/g, '\u2013') // opening singles .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018') // closing singles & apostrophes .replace(/'/g, '\u2019') // opening doubles .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c') // closing doubles .replace(/"/g, '\u201d') // ellipses .replace(/\.{3}/g, '\u2026'); }; /** * Mangle Links */ InlineLexer.prototype.mangle = function(text) { if (!this.options.mangle) return text; var out = '' , l = text.length , i = 0 , ch; for (; i < l; i++) { ch = text.charCodeAt(i); if (Math.random() > 0.5) { ch = 'x' + ch.toString(16); } out += '&#' + ch + ';'; } return out; }; /** * Renderer */ function Renderer(options) { this.options = options || {}; } Renderer.prototype.code = function(code, lang, escaped) { if (this.options.highlight) { var out = this.options.highlight(code, lang); if (out != null && out !== code) { escaped = true; code = out; } } if (!lang) { return '
'
      + (escaped ? code : escape(code, true))
      + '\n
'; } return '
'
    + (escaped ? code : escape(code, true))
    + '\n
\n'; }; Renderer.prototype.blockquote = function(quote) { return '
\n' + quote + '
\n'; }; Renderer.prototype.html = function(html) { return html; }; Renderer.prototype.heading = function(text, level, raw) { return '' + text + '\n'; }; Renderer.prototype.hr = function() { return this.options.xhtml ? '
\n' : '
\n'; }; Renderer.prototype.list = function(body, ordered) { var type = ordered ? 'ol' : 'ul'; return '<' + type + '>\n' + body + '\n'; }; Renderer.prototype.listitem = function(text) { return '
  • ' + text + '
  • \n'; }; Renderer.prototype.paragraph = function(text) { return '

    ' + text + '

    \n'; }; Renderer.prototype.table = function(header, body) { return '\n' + '\n' + header + '\n' + '\n' + body + '\n' + '
    \n'; }; Renderer.prototype.tablerow = function(content) { return '\n' + content + '\n'; }; Renderer.prototype.tablecell = function(content, flags) { var type = flags.header ? 'th' : 'td'; var tag = flags.align ? '<' + type + ' style="text-align:' + flags.align + '">' : '<' + type + '>'; return tag + content + '\n'; }; // span level renderer Renderer.prototype.strong = function(text) { return '' + text + ''; }; Renderer.prototype.em = function(text) { return '' + text + ''; }; Renderer.prototype.codespan = function(text) { return '' + text + ''; }; Renderer.prototype.br = function() { return this.options.xhtml ? '
    ' : '
    '; }; Renderer.prototype.del = function(text) { return '' + text + ''; }; Renderer.prototype.link = function(href, title, text) { if (this.options.sanitize) { try { var prot = decodeURIComponent(unescape(href)) .replace(/[^\w:]/g, '') .toLowerCase(); } catch (e) { return ''; } if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0) { return ''; } } var out = '
    '; return out; }; Renderer.prototype.image = function(href, title, text) { var out = '' + text + '' : '>'; return out; }; Renderer.prototype.text = function(text) { return text; }; /** * Parsing & Compiling */ function Parser(options) { this.tokens = []; this.token = null; this.options = options || marked.defaults; this.options.renderer = this.options.renderer || new Renderer; this.renderer = this.options.renderer; this.renderer.options = this.options; } /** * Static Parse Method */ Parser.parse = function(src, options, renderer) { var parser = new Parser(options, renderer); return parser.parse(src); }; /** * Parse Loop */ Parser.prototype.parse = function(src) { this.inline = new InlineLexer(src.links, this.options, this.renderer); this.tokens = src.reverse(); var out = ''; while (this.next()) { out += this.tok(); } return out; }; /** * Next Token */ Parser.prototype.next = function() { return this.token = this.tokens.pop(); }; /** * Preview Next Token */ Parser.prototype.peek = function() { return this.tokens[this.tokens.length - 1] || 0; }; /** * Parse Text Tokens */ Parser.prototype.parseText = function() { var body = this.token.text; while (this.peek().type === 'text') { body += '\n' + this.next().text; } return this.inline.output(body); }; /** * Parse Current Token */ Parser.prototype.tok = function() { switch (this.token.type) { case 'space': { return ''; } case 'hr': { return this.renderer.hr(); } case 'heading': { return this.renderer.heading( this.inline.output(this.token.text), this.token.depth, this.token.text); } case 'code': { return this.renderer.code(this.token.text, this.token.lang, this.token.escaped); } case 'table': { var header = '' , body = '' , i , row , cell , flags , j; // header cell = ''; for (i = 0; i < this.token.header.length; i++) { flags = { header: true, align: this.token.align[i] }; cell += this.renderer.tablecell( this.inline.output(this.token.header[i]), { header: true, align: this.token.align[i] } ); } header += this.renderer.tablerow(cell); for (i = 0; i < this.token.cells.length; i++) { row = this.token.cells[i]; cell = ''; for (j = 0; j < row.length; j++) { cell += this.renderer.tablecell( this.inline.output(row[j]), { header: false, align: this.token.align[j] } ); } body += this.renderer.tablerow(cell); } return this.renderer.table(header, body); } case 'blockquote_start': { var body = ''; while (this.next().type !== 'blockquote_end') { body += this.tok(); } return this.renderer.blockquote(body); } case 'list_start': { var body = '' , ordered = this.token.ordered; while (this.next().type !== 'list_end') { body += this.tok(); } return this.renderer.list(body, ordered); } case 'list_item_start': { var body = ''; while (this.next().type !== 'list_item_end') { body += this.token.type === 'text' ? this.parseText() : this.tok(); } return this.renderer.listitem(body); } case 'loose_item_start': { var body = ''; while (this.next().type !== 'list_item_end') { body += this.tok(); } return this.renderer.listitem(body); } case 'html': { var html = !this.token.pre && !this.options.pedantic ? this.inline.output(this.token.text) : this.token.text; return this.renderer.html(html); } case 'paragraph': { return this.renderer.paragraph(this.inline.output(this.token.text)); } case 'text': { return this.renderer.paragraph(this.parseText()); } } }; /** * Helpers */ function escape(html, encode) { return html .replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&') .replace(//g, '>') .replace(/"/g, '"') .replace(/'/g, '''); } function unescape(html) { return html.replace(/&([#\w]+);/g, function(_, n) { n = n.toLowerCase(); if (n === 'colon') return ':'; if (n.charAt(0) === '#') { return n.charAt(1) === 'x' ? String.fromCharCode(parseInt(n.substring(2), 16)) : String.fromCharCode(+n.substring(1)); } return ''; }); } function replace(regex, opt) { regex = regex.source; opt = opt || ''; return function self(name, val) { if (!name) return new RegExp(regex, opt); val = val.source || val; val = val.replace(/(^|[^\[])\^/g, '$1'); regex = regex.replace(name, val); return self; }; } function noop() {} noop.exec = noop; function merge(obj) { var i = 1 , target , key; for (; i < arguments.length; i++) { target = arguments[i]; for (key in target) { if (Object.prototype.hasOwnProperty.call(target, key)) { obj[key] = target[key]; } } } return obj; } /** * Marked */ function marked(src, opt, callback) { if (callback || typeof opt === 'function') { if (!callback) { callback = opt; opt = null; } opt = merge({}, marked.defaults, opt || {}); var highlight = opt.highlight , tokens , pending , i = 0; try { tokens = Lexer.lex(src, opt) } catch (e) { return callback(e); } pending = tokens.length; var done = function(err) { if (err) { opt.highlight = highlight; return callback(err); } var out; try { out = Parser.parse(tokens, opt); } catch (e) { err = e; } opt.highlight = highlight; return err ? callback(err) : callback(null, out); }; if (!highlight || highlight.length < 3) { return done(); } delete opt.highlight; if (!pending) return done(); for (; i < tokens.length; i++) { (function(token) { if (token.type !== 'code') { return --pending || done(); } return highlight(token.text, token.lang, function(err, code) { if (err) return done(err); if (code == null || code === token.text) { return --pending || done(); } token.text = code; token.escaped = true; --pending || done(); }); })(tokens[i]); } return; } try { if (opt) opt = merge({}, marked.defaults, opt); return Parser.parse(Lexer.lex(src, opt), opt); } catch (e) { e.message += '\nPlease report this to https://github.com/chjj/marked.'; if ((opt || marked.defaults).silent) { return '

    An error occured:

    '
            + escape(e.message + '', true)
            + '
    '; } throw e; } } /** * Options */ marked.options = marked.setOptions = function(opt) { merge(marked.defaults, opt); return marked; }; marked.defaults = { gfm: true, tables: true, breaks: false, pedantic: false, sanitize: false, sanitizer: null, mangle: true, smartLists: false, silent: false, highlight: null, langPrefix: 'lang-', smartypants: false, headerPrefix: '', renderer: new Renderer, xhtml: false }; /** * Expose */ marked.Parser = Parser; marked.parser = Parser.parse; marked.Renderer = Renderer; marked.Lexer = Lexer; marked.lexer = Lexer.lex; marked.InlineLexer = InlineLexer; marked.inlineLexer = InlineLexer.output; marked.parse = marked; if (typeof module !== 'undefined' && typeof exports === 'object') { module.exports = marked; } else if (typeof define === 'function' && define.amd) { define(function() { return marked; }); } else { this.marked = marked; } }).call(function() { return this || (typeof window !== 'undefined' ? window : global); }()); }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {}) },{}],18:[function(require,module,exports){ (function (Buffer,__dirname){ 'use strict'; /** * Typo is a JavaScript implementation of a spellchecker using hunspell-style * dictionaries. */ /** * Typo constructor. * * @param {String} [dictionary] The locale code of the dictionary being used. e.g., * "en_US". This is only used to auto-load dictionaries. * @param {String} [affData] The data from the dictionary's .aff file. If omitted * and Typo.js is being used in a Chrome extension, the .aff * file will be loaded automatically from * lib/typo/dictionaries/[dictionary]/[dictionary].aff * In other environments, it will be loaded from * [settings.dictionaryPath]/dictionaries/[dictionary]/[dictionary].aff * @param {String} [wordsData] The data from the dictionary's .dic file. If omitted * and Typo.js is being used in a Chrome extension, the .dic * file will be loaded automatically from * lib/typo/dictionaries/[dictionary]/[dictionary].dic * In other environments, it will be loaded from * [settings.dictionaryPath]/dictionaries/[dictionary]/[dictionary].dic * @param {Object} [settings] Constructor settings. Available properties are: * {String} [dictionaryPath]: path to load dictionary from in non-chrome * environment. * {Object} [flags]: flag information. * * * @returns {Typo} A Typo object. */ var Typo = function (dictionary, affData, wordsData, settings) { settings = settings || {}; this.dictionary = null; this.rules = {}; this.dictionaryTable = {}; this.compoundRules = []; this.compoundRuleCodes = {}; this.replacementTable = []; this.flags = settings.flags || {}; if (dictionary) { this.dictionary = dictionary; if (typeof window !== 'undefined' && 'chrome' in window && 'extension' in window.chrome && 'getURL' in window.chrome.extension) { if (!affData) affData = this._readFile(chrome.extension.getURL("lib/typo/dictionaries/" + dictionary + "/" + dictionary + ".aff")); if (!wordsData) wordsData = this._readFile(chrome.extension.getURL("lib/typo/dictionaries/" + dictionary + "/" + dictionary + ".dic")); } else { if (settings.dictionaryPath) { var path = settings.dictionaryPath; } else if (typeof __dirname !== 'undefined') { var path = __dirname + '/dictionaries'; } else { var path = './dictionaries'; } if (!affData) affData = this._readFile(path + "/" + dictionary + "/" + dictionary + ".aff"); if (!wordsData) wordsData = this._readFile(path + "/" + dictionary + "/" + dictionary + ".dic"); } this.rules = this._parseAFF(affData); // Save the rule codes that are used in compound rules. this.compoundRuleCodes = {}; for (var i = 0, _len = this.compoundRules.length; i < _len; i++) { var rule = this.compoundRules[i]; for (var j = 0, _jlen = rule.length; j < _jlen; j++) { this.compoundRuleCodes[rule[j]] = []; } } // If we add this ONLYINCOMPOUND flag to this.compoundRuleCodes, then _parseDIC // will do the work of saving the list of words that are compound-only. if ("ONLYINCOMPOUND" in this.flags) { this.compoundRuleCodes[this.flags.ONLYINCOMPOUND] = []; } this.dictionaryTable = this._parseDIC(wordsData); // Get rid of any codes from the compound rule codes that are never used // (or that were special regex characters). Not especially necessary... for (var i in this.compoundRuleCodes) { if (this.compoundRuleCodes[i].length == 0) { delete this.compoundRuleCodes[i]; } } // Build the full regular expressions for each compound rule. // I have a feeling (but no confirmation yet) that this method of // testing for compound words is probably slow. for (var i = 0, _len = this.compoundRules.length; i < _len; i++) { var ruleText = this.compoundRules[i]; var expressionText = ""; for (var j = 0, _jlen = ruleText.length; j < _jlen; j++) { var character = ruleText[j]; if (character in this.compoundRuleCodes) { expressionText += "(" + this.compoundRuleCodes[character].join("|") + ")"; } else { expressionText += character; } } this.compoundRules[i] = new RegExp(expressionText, "i"); } } return this; }; Typo.prototype = { /** * Loads a Typo instance from a hash of all of the Typo properties. * * @param object obj A hash of Typo properties, probably gotten from a JSON.parse(JSON.stringify(typo_instance)). */ load : function (obj) { for (var i in obj) { this[i] = obj[i]; } return this; }, /** * Read the contents of a file. * * @param {String} path The path (relative) to the file. * @param {String} [charset="ISO8859-1"] The expected charset of the file * @returns string The file data. */ _readFile : function (path, charset) { if (!charset) charset = "utf8"; if (typeof XMLHttpRequest !== 'undefined') { var req = new XMLHttpRequest(); req.open("GET", path, false); if (req.overrideMimeType) req.overrideMimeType("text/plain; charset=" + charset); req.send(null); return req.responseText; } else if (typeof require !== 'undefined') { // Node.js var fs = require("fs"); try { if (fs.existsSync(path)) { var stats = fs.statSync(path); var fileDescriptor = fs.openSync(path, 'r'); var buffer = new Buffer(stats.size); fs.readSync(fileDescriptor, buffer, 0, buffer.length, null); return buffer.toString(charset, 0, buffer.length); } else { console.log("Path " + path + " does not exist."); } } catch (e) { console.log(e); return ''; } } }, /** * Parse the rules out from a .aff file. * * @param {String} data The contents of the affix file. * @returns object The rules from the file. */ _parseAFF : function (data) { var rules = {}; // Remove comment lines data = this._removeAffixComments(data); var lines = data.split("\n"); for (var i = 0, _len = lines.length; i < _len; i++) { var line = lines[i]; var definitionParts = line.split(/\s+/); var ruleType = definitionParts[0]; if (ruleType == "PFX" || ruleType == "SFX") { var ruleCode = definitionParts[1]; var combineable = definitionParts[2]; var numEntries = parseInt(definitionParts[3], 10); var entries = []; for (var j = i + 1, _jlen = i + 1 + numEntries; j < _jlen; j++) { var line = lines[j]; var lineParts = line.split(/\s+/); var charactersToRemove = lineParts[2]; var additionParts = lineParts[3].split("/"); var charactersToAdd = additionParts[0]; if (charactersToAdd === "0") charactersToAdd = ""; var continuationClasses = this.parseRuleCodes(additionParts[1]); var regexToMatch = lineParts[4]; var entry = {}; entry.add = charactersToAdd; if (continuationClasses.length > 0) entry.continuationClasses = continuationClasses; if (regexToMatch !== ".") { if (ruleType === "SFX") { entry.match = new RegExp(regexToMatch + "$"); } else { entry.match = new RegExp("^" + regexToMatch); } } if (charactersToRemove != "0") { if (ruleType === "SFX") { entry.remove = new RegExp(charactersToRemove + "$"); } else { entry.remove = charactersToRemove; } } entries.push(entry); } rules[ruleCode] = { "type" : ruleType, "combineable" : (combineable == "Y"), "entries" : entries }; i += numEntries; } else if (ruleType === "COMPOUNDRULE") { var numEntries = parseInt(definitionParts[1], 10); for (var j = i + 1, _jlen = i + 1 + numEntries; j < _jlen; j++) { var line = lines[j]; var lineParts = line.split(/\s+/); this.compoundRules.push(lineParts[1]); } i += numEntries; } else if (ruleType === "REP") { var lineParts = line.split(/\s+/); if (lineParts.length === 3) { this.replacementTable.push([ lineParts[1], lineParts[2] ]); } } else { // ONLYINCOMPOUND // COMPOUNDMIN // FLAG // KEEPCASE // NEEDAFFIX this.flags[ruleType] = definitionParts[1]; } } return rules; }, /** * Removes comment lines and then cleans up blank lines and trailing whitespace. * * @param {String} data The data from an affix file. * @return {String} The cleaned-up data. */ _removeAffixComments : function (data) { // Remove comments data = data.replace(/#.*$/mg, ""); // Trim each line data = data.replace(/^\s\s*/m, '').replace(/\s\s*$/m, ''); // Remove blank lines. data = data.replace(/\n{2,}/g, "\n"); // Trim the entire string data = data.replace(/^\s\s*/, '').replace(/\s\s*$/, ''); return data; }, /** * Parses the words out from the .dic file. * * @param {String} data The data from the dictionary file. * @returns object The lookup table containing all of the words and * word forms from the dictionary. */ _parseDIC : function (data) { data = this._removeDicComments(data); var lines = data.split("\n"); var dictionaryTable = {}; function addWord(word, rules) { // Some dictionaries will list the same word multiple times with different rule sets. if (!(word in dictionaryTable) || typeof dictionaryTable[word] != 'object') { dictionaryTable[word] = []; } dictionaryTable[word].push(rules); } // The first line is the number of words in the dictionary. for (var i = 1, _len = lines.length; i < _len; i++) { var line = lines[i]; var parts = line.split("/", 2); var word = parts[0]; // Now for each affix rule, generate that form of the word. if (parts.length > 1) { var ruleCodesArray = this.parseRuleCodes(parts[1]); // Save the ruleCodes for compound word situations. if (!("NEEDAFFIX" in this.flags) || ruleCodesArray.indexOf(this.flags.NEEDAFFIX) == -1) { addWord(word, ruleCodesArray); } for (var j = 0, _jlen = ruleCodesArray.length; j < _jlen; j++) { var code = ruleCodesArray[j]; var rule = this.rules[code]; if (rule) { var newWords = this._applyRule(word, rule); for (var ii = 0, _iilen = newWords.length; ii < _iilen; ii++) { var newWord = newWords[ii]; addWord(newWord, []); if (rule.combineable) { for (var k = j + 1; k < _jlen; k++) { var combineCode = ruleCodesArray[k]; var combineRule = this.rules[combineCode]; if (combineRule) { if (combineRule.combineable && (rule.type != combineRule.type)) { var otherNewWords = this._applyRule(newWord, combineRule); for (var iii = 0, _iiilen = otherNewWords.length; iii < _iiilen; iii++) { var otherNewWord = otherNewWords[iii]; addWord(otherNewWord, []); } } } } } } } if (code in this.compoundRuleCodes) { this.compoundRuleCodes[code].push(word); } } } else { addWord(word.trim(), []); } } return dictionaryTable; }, /** * Removes comment lines and then cleans up blank lines and trailing whitespace. * * @param {String} data The data from a .dic file. * @return {String} The cleaned-up data. */ _removeDicComments : function (data) { // I can't find any official documentation on it, but at least the de_DE // dictionary uses tab-indented lines as comments. // Remove comments data = data.replace(/^\t.*$/mg, ""); return data; }, parseRuleCodes : function (textCodes) { if (!textCodes) { return []; } else if (!("FLAG" in this.flags)) { return textCodes.split(""); } else if (this.flags.FLAG === "long") { var flags = []; for (var i = 0, _len = textCodes.length; i < _len; i += 2) { flags.push(textCodes.substr(i, 2)); } return flags; } else if (this.flags.FLAG === "num") { return textCode.split(","); } }, /** * Applies an affix rule to a word. * * @param {String} word The base word. * @param {Object} rule The affix rule. * @returns {String[]} The new words generated by the rule. */ _applyRule : function (word, rule) { var entries = rule.entries; var newWords = []; for (var i = 0, _len = entries.length; i < _len; i++) { var entry = entries[i]; if (!entry.match || word.match(entry.match)) { var newWord = word; if (entry.remove) { newWord = newWord.replace(entry.remove, ""); } if (rule.type === "SFX") { newWord = newWord + entry.add; } else { newWord = entry.add + newWord; } newWords.push(newWord); if ("continuationClasses" in entry) { for (var j = 0, _jlen = entry.continuationClasses.length; j < _jlen; j++) { var continuationRule = this.rules[entry.continuationClasses[j]]; if (continuationRule) { newWords = newWords.concat(this._applyRule(newWord, continuationRule)); } /* else { // This shouldn't happen, but it does, at least in the de_DE dictionary. // I think the author mistakenly supplied lower-case rule codes instead // of upper-case. } */ } } } } return newWords; }, /** * Checks whether a word or a capitalization variant exists in the current dictionary. * The word is trimmed and several variations of capitalizations are checked. * If you want to check a word without any changes made to it, call checkExact() * * @see http://blog.stevenlevithan.com/archives/faster-trim-javascript re:trimming function * * @param {String} aWord The word to check. * @returns {Boolean} */ check : function (aWord) { // Remove leading and trailing whitespace var trimmedWord = aWord.replace(/^\s\s*/, '').replace(/\s\s*$/, ''); if (this.checkExact(trimmedWord)) { return true; } // The exact word is not in the dictionary. if (trimmedWord.toUpperCase() === trimmedWord) { // The word was supplied in all uppercase. // Check for a capitalized form of the word. var capitalizedWord = trimmedWord[0] + trimmedWord.substring(1).toLowerCase(); if (this.hasFlag(capitalizedWord, "KEEPCASE")) { // Capitalization variants are not allowed for this word. return false; } if (this.checkExact(capitalizedWord)) { return true; } } var lowercaseWord = trimmedWord.toLowerCase(); if (lowercaseWord !== trimmedWord) { if (this.hasFlag(lowercaseWord, "KEEPCASE")) { // Capitalization variants are not allowed for this word. return false; } // Check for a lowercase form if (this.checkExact(lowercaseWord)) { return true; } } return false; }, /** * Checks whether a word exists in the current dictionary. * * @param {String} word The word to check. * @returns {Boolean} */ checkExact : function (word) { var ruleCodes = this.dictionaryTable[word]; if (typeof ruleCodes === 'undefined') { // Check if this might be a compound word. if ("COMPOUNDMIN" in this.flags && word.length >= this.flags.COMPOUNDMIN) { for (var i = 0, _len = this.compoundRules.length; i < _len; i++) { if (word.match(this.compoundRules[i])) { return true; } } } return false; } else if (typeof ruleCodes === 'object') { // this.dictionary['hasOwnProperty'] will be a function. for (var i = 0, _len = ruleCodes.length; i < _len; i++) { if (!this.hasFlag(word, "ONLYINCOMPOUND", ruleCodes[i])) { return true; } } return false; } }, /** * Looks up whether a given word is flagged with a given flag. * * @param {String} word The word in question. * @param {String} flag The flag in question. * @return {Boolean} */ hasFlag : function (word, flag, wordFlags) { if (flag in this.flags) { if (typeof wordFlags === 'undefined') { var wordFlags = Array.prototype.concat.apply([], this.dictionaryTable[word]); } if (wordFlags && wordFlags.indexOf(this.flags[flag]) !== -1) { return true; } } return false; }, /** * Returns a list of suggestions for a misspelled word. * * @see http://www.norvig.com/spell-correct.html for the basis of this suggestor. * This suggestor is primitive, but it works. * * @param {String} word The misspelling. * @param {Number} [limit=5] The maximum number of suggestions to return. * @returns {String[]} The array of suggestions. */ alphabet : "", suggest : function (word, limit) { if (!limit) limit = 5; if (this.check(word)) return []; // Check the replacement table. for (var i = 0, _len = this.replacementTable.length; i < _len; i++) { var replacementEntry = this.replacementTable[i]; if (word.indexOf(replacementEntry[0]) !== -1) { var correctedWord = word.replace(replacementEntry[0], replacementEntry[1]); if (this.check(correctedWord)) { return [ correctedWord ]; } } } var self = this; self.alphabet = "abcdefghijklmnopqrstuvwxyz"; /* if (!self.alphabet) { // Use the alphabet as implicitly defined by the words in the dictionary. var alphaHash = {}; for (var i in self.dictionaryTable) { for (var j = 0, _len = i.length; j < _len; j++) { alphaHash[i[j]] = true; } } for (var i in alphaHash) { self.alphabet += i; } var alphaArray = self.alphabet.split(""); alphaArray.sort(); self.alphabet = alphaArray.join(""); } */ function edits1(words) { var rv = []; for (var ii = 0, _iilen = words.length; ii < _iilen; ii++) { var word = words[ii]; var splits = []; for (var i = 0, _len = word.length + 1; i < _len; i++) { splits.push([ word.substring(0, i), word.substring(i, word.length) ]); } var deletes = []; for (var i = 0, _len = splits.length; i < _len; i++) { var s = splits[i]; if (s[1]) { deletes.push(s[0] + s[1].substring(1)); } } var transposes = []; for (var i = 0, _len = splits.length; i < _len; i++) { var s = splits[i]; if (s[1].length > 1) { transposes.push(s[0] + s[1][1] + s[1][0] + s[1].substring(2)); } } var replaces = []; for (var i = 0, _len = splits.length; i < _len; i++) { var s = splits[i]; if (s[1]) { for (var j = 0, _jlen = self.alphabet.length; j < _jlen; j++) { replaces.push(s[0] + self.alphabet[j] + s[1].substring(1)); } } } var inserts = []; for (var i = 0, _len = splits.length; i < _len; i++) { var s = splits[i]; if (s[1]) { for (var j = 0, _jlen = self.alphabet.length; j < _jlen; j++) { replaces.push(s[0] + self.alphabet[j] + s[1]); } } } rv = rv.concat(deletes); rv = rv.concat(transposes); rv = rv.concat(replaces); rv = rv.concat(inserts); } return rv; } function known(words) { var rv = []; for (var i = 0; i < words.length; i++) { if (self.check(words[i])) { rv.push(words[i]); } } return rv; } function correct(word) { // Get the edit-distance-1 and edit-distance-2 forms of this word. var ed1 = edits1([word]); var ed2 = edits1(ed1); var corrections = known(ed1).concat(known(ed2)); // Sort the edits based on how many different ways they were created. var weighted_corrections = {}; for (var i = 0, _len = corrections.length; i < _len; i++) { if (!(corrections[i] in weighted_corrections)) { weighted_corrections[corrections[i]] = 1; } else { weighted_corrections[corrections[i]] += 1; } } var sorted_corrections = []; for (var i in weighted_corrections) { sorted_corrections.push([ i, weighted_corrections[i] ]); } function sorter(a, b) { if (a[1] < b[1]) { return -1; } return 1; } sorted_corrections.sort(sorter).reverse(); var rv = []; for (var i = 0, _len = Math.min(limit, sorted_corrections.length); i < _len; i++) { if (!self.hasFlag(sorted_corrections[i][0], "NOSUGGEST")) { rv.push(sorted_corrections[i][0]); } } return rv; } return correct(word); } }; // Support for use as a node.js module. if (typeof module !== 'undefined') { module.exports = Typo; } }).call(this,require("buffer").Buffer,"/node_modules/typo-js") },{"buffer":3,"fs":2}],19:[function(require,module,exports){ // CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE var CodeMirror = require("codemirror"); CodeMirror.commands.tabAndIndentMarkdownList = function (cm) { var ranges = cm.listSelections(); var pos = ranges[0].head; var eolState = cm.getStateAfter(pos.line); var inList = eolState.list !== false; if (inList) { cm.execCommand("indentMore"); return; } if (cm.options.indentWithTabs) { cm.execCommand("insertTab"); } else { var spaces = Array(cm.options.tabSize + 1).join(" "); cm.replaceSelection(spaces); } }; CodeMirror.commands.shiftTabAndUnindentMarkdownList = function (cm) { var ranges = cm.listSelections(); var pos = ranges[0].head; var eolState = cm.getStateAfter(pos.line); var inList = eolState.list !== false; if (inList) { cm.execCommand("indentLess"); return; } if (cm.options.indentWithTabs) { cm.execCommand("insertTab"); } else { var spaces = Array(cm.options.tabSize + 1).join(" "); cm.replaceSelection(spaces); } }; },{"codemirror":10}],20:[function(require,module,exports){ /*global require,module*/ "use strict"; var CodeMirror = require("codemirror"); require("codemirror/addon/edit/continuelist.js"); require("./codemirror/tablist"); require("codemirror/addon/display/fullscreen.js"); require("codemirror/mode/markdown/markdown.js"); require("codemirror/addon/mode/overlay.js"); require("codemirror/addon/display/placeholder.js"); require("codemirror/addon/selection/mark-selection.js"); require("codemirror/mode/gfm/gfm.js"); require("codemirror/mode/xml/xml.js"); var CodeMirrorSpellChecker = require("codemirror-spell-checker"); var marked = require("marked"); // Some variables var isMac = /Mac/.test(navigator.platform); // Mapping of actions that can be bound to keyboard shortcuts or toolbar buttons var bindings = { "toggleBold": toggleBold, "toggleItalic": toggleItalic, "drawLink": drawLink, "toggleHeadingSmaller": toggleHeadingSmaller, "toggleHeadingBigger": toggleHeadingBigger, "drawImage": drawImage, "toggleBlockquote": toggleBlockquote, "toggleOrderedList": toggleOrderedList, "toggleUnorderedList": toggleUnorderedList, "toggleCodeBlock": toggleCodeBlock, "togglePreview": togglePreview, "toggleStrikethrough": toggleStrikethrough, "toggleHeading1": toggleHeading1, "toggleHeading2": toggleHeading2, "toggleHeading3": toggleHeading3, "cleanBlock": cleanBlock, "drawTable": drawTable, "drawHorizontalRule": drawHorizontalRule, "undo": undo, "redo": redo, "toggleSideBySide": toggleSideBySide, "toggleFullScreen": toggleFullScreen }; var shortcuts = { "toggleBold": "Cmd-B", "toggleItalic": "Cmd-I", "drawLink": "Cmd-K", "toggleHeadingSmaller": "Cmd-H", "toggleHeadingBigger": "Shift-Cmd-H", "cleanBlock": "Cmd-E", "drawImage": "Cmd-Alt-I", "toggleBlockquote": "Cmd-'", "toggleOrderedList": "Cmd-Alt-L", "toggleUnorderedList": "Cmd-L", "toggleCodeBlock": "Cmd-Alt-C", "togglePreview": "Cmd-P", "toggleSideBySide": "F9", "toggleFullScreen": "F11" }; var getBindingName = function(f) { for(var key in bindings) { if(bindings[key] === f) { return key; } } return null; }; var isMobile = function() { var check = false; (function(a) { if(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino|android|ipad|playbook|silk/i.test(a) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0, 4))) check = true; })(navigator.userAgent || navigator.vendor || window.opera); return check; }; /** * Fix shortcut. Mac use Command, others use Ctrl. */ function fixShortcut(name) { if(isMac) { name = name.replace("Ctrl", "Cmd"); } else { name = name.replace("Cmd", "Ctrl"); } return name; } /** * Create icon element for toolbar. */ function createIcon(options, enableTooltips, shortcuts) { options = options || {}; var el = document.createElement("a"); enableTooltips = (enableTooltips == undefined) ? true : enableTooltips; if(options.title && enableTooltips) { el.title = createTootlip(options.title, options.action, shortcuts); if(isMac) { el.title = el.title.replace("Ctrl", "⌘"); el.title = el.title.replace("Alt", "⌥"); } } el.tabIndex = -1; el.className = options.className; return el; } function createSep() { var el = document.createElement("i"); el.className = "separator"; el.innerHTML = "|"; return el; } function createTootlip(title, action, shortcuts) { var actionName; var tooltip = title; if(action) { actionName = getBindingName(action); if(shortcuts[actionName]) { tooltip += " (" + fixShortcut(shortcuts[actionName]) + ")"; } } return tooltip; } /** * The state of CodeMirror at the given position. */ function getState(cm, pos) { pos = pos || cm.getCursor("start"); var stat = cm.getTokenAt(pos); if(!stat.type) return {}; var types = stat.type.split(" "); var ret = {}, data, text; for(var i = 0; i < types.length; i++) { data = types[i]; if(data === "strong") { ret.bold = true; } else if(data === "variable-2") { text = cm.getLine(pos.line); if(/^\s*\d+\.\s/.test(text)) { ret["ordered-list"] = true; } else { ret["unordered-list"] = true; } } else if(data === "atom") { ret.quote = true; } else if(data === "em") { ret.italic = true; } else if(data === "quote") { ret.quote = true; } else if(data === "strikethrough") { ret.strikethrough = true; } else if(data === "comment") { ret.code = true; } else if(data === "link") { ret.link = true; } else if(data === "tag") { ret.image = true; } else if(data.match(/^header(\-[1-6])?$/)) { ret[data.replace("header", "heading")] = true; } } return ret; } // Saved overflow setting var saved_overflow = ""; /** * Toggle full screen of the editor. */ function toggleFullScreen(editor) { // Set fullscreen var cm = editor.codemirror; cm.setOption("fullScreen", !cm.getOption("fullScreen")); // Prevent scrolling on body during fullscreen active if(cm.getOption("fullScreen")) { saved_overflow = document.body.style.overflow; document.body.style.overflow = "hidden"; } else { document.body.style.overflow = saved_overflow; } // Update toolbar class var wrap = cm.getWrapperElement(); if(!/fullscreen/.test(wrap.previousSibling.className)) { wrap.previousSibling.className += " fullscreen"; } else { wrap.previousSibling.className = wrap.previousSibling.className.replace(/\s*fullscreen\b/, ""); } // Update toolbar button var toolbarButton = editor.toolbarElements.fullscreen; if(!/active/.test(toolbarButton.className)) { toolbarButton.className += " active"; } else { toolbarButton.className = toolbarButton.className.replace(/\s*active\s*/g, ""); } // Hide side by side if needed var sidebyside = cm.getWrapperElement().nextSibling; if(/editor-preview-active-side/.test(sidebyside.className)) toggleSideBySide(editor); } /** * Action for toggling bold. */ function toggleBold(editor) { _toggleBlock(editor, "bold", editor.options.blockStyles.bold); } /** * Action for toggling italic. */ function toggleItalic(editor) { _toggleBlock(editor, "italic", editor.options.blockStyles.italic); } /** * Action for toggling strikethrough. */ function toggleStrikethrough(editor) { _toggleBlock(editor, "strikethrough", "~~"); } /** * Action for toggling code block. */ function toggleCodeBlock(editor) { var fenceCharsToInsert = editor.options.blockStyles.code; function fencing_line(line) { /* return true, if this is a ``` or ~~~ line */ if(typeof line !== "object") { throw "fencing_line() takes a 'line' object (not a line number, or line text). Got: " + typeof line + ": " + line; } return line.styles && line.styles[2] && line.styles[2].indexOf("formatting-code-block") !== -1; } function token_state(token) { // base goes an extra level deep when mode backdrops are used, e.g. spellchecker on return token.state.base.base || token.state.base; } function code_type(cm, line_num, line, firstTok, lastTok) { /* * Return "single", "indented", "fenced" or false * * cm and line_num are required. Others are optional for efficiency * To check in the middle of a line, pass in firstTok yourself. */ line = line || cm.getLineHandle(line_num); firstTok = firstTok || cm.getTokenAt({ line: line_num, ch: 1 }); lastTok = lastTok || (!!line.text && cm.getTokenAt({ line: line_num, ch: line.text.length - 1 })); var types = firstTok.type ? firstTok.type.split(" ") : []; if(lastTok && token_state(lastTok).indentedCode) { // have to check last char, since first chars of first line aren"t marked as indented return "indented"; } else if(types.indexOf("comment") === -1) { // has to be after "indented" check, since first chars of first indented line aren"t marked as such return false; } else if(token_state(firstTok).fencedChars || token_state(lastTok).fencedChars || fencing_line(line)) { return "fenced"; } else { return "single"; } } function insertFencingAtSelection(cm, cur_start, cur_end, fenceCharsToInsert) { var start_line_sel = cur_start.line + 1, end_line_sel = cur_end.line + 1, sel_multi = cur_start.line !== cur_end.line, repl_start = fenceCharsToInsert + "\n", repl_end = "\n" + fenceCharsToInsert; if(sel_multi) { end_line_sel++; } // handle last char including \n or not if(sel_multi && cur_end.ch === 0) { repl_end = fenceCharsToInsert + "\n"; end_line_sel--; } _replaceSelection(cm, false, [repl_start, repl_end]); cm.setSelection({ line: start_line_sel, ch: 0 }, { line: end_line_sel, ch: 0 }); } var cm = editor.codemirror, cur_start = cm.getCursor("start"), cur_end = cm.getCursor("end"), tok = cm.getTokenAt({ line: cur_start.line, ch: cur_start.ch || 1 }), // avoid ch 0 which is a cursor pos but not token line = cm.getLineHandle(cur_start.line), is_code = code_type(cm, cur_start.line, line, tok); var block_start, block_end, lineCount; if(is_code === "single") { // similar to some SimpleMDE _toggleBlock logic var start = line.text.slice(0, cur_start.ch).replace("`", ""), end = line.text.slice(cur_start.ch).replace("`", ""); cm.replaceRange(start + end, { line: cur_start.line, ch: 0 }, { line: cur_start.line, ch: 99999999999999 }); cur_start.ch--; if(cur_start !== cur_end) { cur_end.ch--; } cm.setSelection(cur_start, cur_end); cm.focus(); } else if(is_code === "fenced") { if(cur_start.line !== cur_end.line || cur_start.ch !== cur_end.ch) { // use selection // find the fenced line so we know what type it is (tilde, backticks, number of them) for(block_start = cur_start.line; block_start >= 0; block_start--) { line = cm.getLineHandle(block_start); if(fencing_line(line)) { break; } } var fencedTok = cm.getTokenAt({ line: block_start, ch: 1 }); var fence_chars = token_state(fencedTok).fencedChars; var start_text, start_line; var end_text, end_line; // check for selection going up against fenced lines, in which case we don't want to add more fencing if(fencing_line(cm.getLineHandle(cur_start.line))) { start_text = ""; start_line = cur_start.line; } else if(fencing_line(cm.getLineHandle(cur_start.line - 1))) { start_text = ""; start_line = cur_start.line - 1; } else { start_text = fence_chars + "\n"; start_line = cur_start.line; } if(fencing_line(cm.getLineHandle(cur_end.line))) { end_text = ""; end_line = cur_end.line; if(cur_end.ch === 0) { end_line += 1; } } else if(cur_end.ch !== 0 && fencing_line(cm.getLineHandle(cur_end.line + 1))) { end_text = ""; end_line = cur_end.line + 1; } else { end_text = fence_chars + "\n"; end_line = cur_end.line + 1; } if(cur_end.ch === 0) { // full last line selected, putting cursor at beginning of next end_line -= 1; } cm.operation(function() { // end line first, so that line numbers don't change cm.replaceRange(end_text, { line: end_line, ch: 0 }, { line: end_line + (end_text ? 0 : 1), ch: 0 }); cm.replaceRange(start_text, { line: start_line, ch: 0 }, { line: start_line + (start_text ? 0 : 1), ch: 0 }); }); cm.setSelection({ line: start_line + (start_text ? 1 : 0), ch: 0 }, { line: end_line + (start_text ? 1 : -1), ch: 0 }); cm.focus(); } else { // no selection, search for ends of this fenced block var search_from = cur_start.line; if(fencing_line(cm.getLineHandle(cur_start.line))) { // gets a little tricky if cursor is right on a fenced line if(code_type(cm, cur_start.line + 1) === "fenced") { block_start = cur_start.line; search_from = cur_start.line + 1; // for searching for "end" } else { block_end = cur_start.line; search_from = cur_start.line - 1; // for searching for "start" } } if(block_start === undefined) { for(block_start = search_from; block_start >= 0; block_start--) { line = cm.getLineHandle(block_start); if(fencing_line(line)) { break; } } } if(block_end === undefined) { lineCount = cm.lineCount(); for(block_end = search_from; block_end < lineCount; block_end++) { line = cm.getLineHandle(block_end); if(fencing_line(line)) { break; } } } cm.operation(function() { cm.replaceRange("", { line: block_start, ch: 0 }, { line: block_start + 1, ch: 0 }); cm.replaceRange("", { line: block_end - 1, ch: 0 }, { line: block_end, ch: 0 }); }); cm.focus(); } } else if(is_code === "indented") { if(cur_start.line !== cur_end.line || cur_start.ch !== cur_end.ch) { // use selection block_start = cur_start.line; block_end = cur_end.line; if(cur_end.ch === 0) { block_end--; } } else { // no selection, search for ends of this indented block for(block_start = cur_start.line; block_start >= 0; block_start--) { line = cm.getLineHandle(block_start); if(line.text.match(/^\s*$/)) { // empty or all whitespace - keep going continue; } else { if(code_type(cm, block_start, line) !== "indented") { block_start += 1; break; } } } lineCount = cm.lineCount(); for(block_end = cur_start.line; block_end < lineCount; block_end++) { line = cm.getLineHandle(block_end); if(line.text.match(/^\s*$/)) { // empty or all whitespace - keep going continue; } else { if(code_type(cm, block_end, line) !== "indented") { block_end -= 1; break; } } } } // if we are going to un-indent based on a selected set of lines, and the next line is indented too, we need to // insert a blank line so that the next line(s) continue to be indented code var next_line = cm.getLineHandle(block_end + 1), next_line_last_tok = next_line && cm.getTokenAt({ line: block_end + 1, ch: next_line.text.length - 1 }), next_line_indented = next_line_last_tok && token_state(next_line_last_tok).indentedCode; if(next_line_indented) { cm.replaceRange("\n", { line: block_end + 1, ch: 0 }); } for(var i = block_start; i <= block_end; i++) { cm.indentLine(i, "subtract"); // TODO: this doesn't get tracked in the history, so can't be undone :( } cm.focus(); } else { // insert code formatting var no_sel_and_starting_of_line = (cur_start.line === cur_end.line && cur_start.ch === cur_end.ch && cur_start.ch === 0); var sel_multi = cur_start.line !== cur_end.line; if(no_sel_and_starting_of_line || sel_multi) { insertFencingAtSelection(cm, cur_start, cur_end, fenceCharsToInsert); } else { _replaceSelection(cm, false, ["`", "`"]); } } } /** * Action for toggling blockquote. */ function toggleBlockquote(editor) { var cm = editor.codemirror; _toggleLine(cm, "quote"); } /** * Action for toggling heading size: normal -> h1 -> h2 -> h3 -> h4 -> h5 -> h6 -> normal */ function toggleHeadingSmaller(editor) { var cm = editor.codemirror; _toggleHeading(cm, "smaller"); } /** * Action for toggling heading size: normal -> h6 -> h5 -> h4 -> h3 -> h2 -> h1 -> normal */ function toggleHeadingBigger(editor) { var cm = editor.codemirror; _toggleHeading(cm, "bigger"); } /** * Action for toggling heading size 1 */ function toggleHeading1(editor) { var cm = editor.codemirror; _toggleHeading(cm, undefined, 1); } /** * Action for toggling heading size 2 */ function toggleHeading2(editor) { var cm = editor.codemirror; _toggleHeading(cm, undefined, 2); } /** * Action for toggling heading size 3 */ function toggleHeading3(editor) { var cm = editor.codemirror; _toggleHeading(cm, undefined, 3); } /** * Action for toggling ul. */ function toggleUnorderedList(editor) { var cm = editor.codemirror; _toggleLine(cm, "unordered-list"); } /** * Action for toggling ol. */ function toggleOrderedList(editor) { var cm = editor.codemirror; _toggleLine(cm, "ordered-list"); } /** * Action for clean block (remove headline, list, blockquote code, markers) */ function cleanBlock(editor) { var cm = editor.codemirror; _cleanBlock(cm); } /** * Action for drawing a link. */ function drawLink(editor) { var cm = editor.codemirror; var stat = getState(cm); var options = editor.options; var url = "http://"; if(options.promptURLs) { url = prompt(options.promptTexts.link); if(!url) { return false; } } _replaceSelection(cm, stat.link, options.insertTexts.link, url); } /** * Action for drawing an img. */ function drawImage(editor) { var cm = editor.codemirror; var stat = getState(cm); var options = editor.options; var url = "http://"; if(options.promptURLs) { url = prompt(options.promptTexts.image); if(!url) { return false; } } _replaceSelection(cm, stat.image, options.insertTexts.image, url); } /** * Action for drawing a table. */ function drawTable(editor) { var cm = editor.codemirror; var stat = getState(cm); var options = editor.options; _replaceSelection(cm, stat.table, options.insertTexts.table); } /** * Action for drawing a horizontal rule. */ function drawHorizontalRule(editor) { var cm = editor.codemirror; var stat = getState(cm); var options = editor.options; _replaceSelection(cm, stat.image, options.insertTexts.horizontalRule); } /** * Undo action. */ function undo(editor) { var cm = editor.codemirror; cm.undo(); cm.focus(); } /** * Redo action. */ function redo(editor) { var cm = editor.codemirror; cm.redo(); cm.focus(); } /** * Toggle side by side preview */ function toggleSideBySide(editor) { var cm = editor.codemirror; var wrapper = cm.getWrapperElement(); var preview = wrapper.nextSibling; var toolbarButton = editor.toolbarElements["side-by-side"]; var useSideBySideListener = false; if(/editor-preview-active-side/.test(preview.className)) { preview.className = preview.className.replace( /\s*editor-preview-active-side\s*/g, "" ); toolbarButton.className = toolbarButton.className.replace(/\s*active\s*/g, ""); wrapper.className = wrapper.className.replace(/\s*CodeMirror-sided\s*/g, " "); } else { // When the preview button is clicked for the first time, // give some time for the transition from editor.css to fire and the view to slide from right to left, // instead of just appearing. setTimeout(function() { if(!cm.getOption("fullScreen")) toggleFullScreen(editor); preview.className += " editor-preview-active-side"; }, 1); toolbarButton.className += " active"; wrapper.className += " CodeMirror-sided"; useSideBySideListener = true; } // Hide normal preview if active var previewNormal = wrapper.lastChild; if(/editor-preview-active/.test(previewNormal.className)) { previewNormal.className = previewNormal.className.replace( /\s*editor-preview-active\s*/g, "" ); var toolbar = editor.toolbarElements.preview; var toolbar_div = wrapper.previousSibling; toolbar.className = toolbar.className.replace(/\s*active\s*/g, ""); toolbar_div.className = toolbar_div.className.replace(/\s*disabled-for-preview*/g, ""); } var sideBySideRenderingFunction = function() { preview.innerHTML = editor.options.previewRender(editor.value(), preview); }; if(!cm.sideBySideRenderingFunction) { cm.sideBySideRenderingFunction = sideBySideRenderingFunction; } if(useSideBySideListener) { preview.innerHTML = editor.options.previewRender(editor.value(), preview); cm.on("update", cm.sideBySideRenderingFunction); } else { cm.off("update", cm.sideBySideRenderingFunction); } // Refresh to fix selection being off (#309) cm.refresh(); } /** * Preview action. */ function togglePreview(editor) { var cm = editor.codemirror; var wrapper = cm.getWrapperElement(); var toolbar_div = wrapper.previousSibling; var toolbar = editor.options.toolbar ? editor.toolbarElements.preview : false; var preview = wrapper.lastChild; if(!preview || !/editor-preview/.test(preview.className)) { preview = document.createElement("div"); preview.className = "editor-preview"; wrapper.appendChild(preview); } if(/editor-preview-active/.test(preview.className)) { preview.className = preview.className.replace( /\s*editor-preview-active\s*/g, "" ); if(toolbar) { toolbar.className = toolbar.className.replace(/\s*active\s*/g, ""); toolbar_div.className = toolbar_div.className.replace(/\s*disabled-for-preview*/g, ""); } } else { // When the preview button is clicked for the first time, // give some time for the transition from editor.css to fire and the view to slide from right to left, // instead of just appearing. setTimeout(function() { preview.className += " editor-preview-active"; }, 1); if(toolbar) { toolbar.className += " active"; toolbar_div.className += " disabled-for-preview"; } } preview.innerHTML = editor.options.previewRender(editor.value(), preview); // Turn off side by side if needed var sidebyside = cm.getWrapperElement().nextSibling; if(/editor-preview-active-side/.test(sidebyside.className)) toggleSideBySide(editor); } function _replaceSelection(cm, active, startEnd, url) { if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) return; var text; var start = startEnd[0]; var end = startEnd[1]; var startPoint = cm.getCursor("start"); var endPoint = cm.getCursor("end"); if(url) { end = end.replace("#url#", url); } if(active) { text = cm.getLine(startPoint.line); start = text.slice(0, startPoint.ch); end = text.slice(startPoint.ch); cm.replaceRange(start + end, { line: startPoint.line, ch: 0 }); } else { text = cm.getSelection(); cm.replaceSelection(start + text + end); startPoint.ch += start.length; if(startPoint !== endPoint) { endPoint.ch += start.length; } } cm.setSelection(startPoint, endPoint); cm.focus(); } function _toggleHeading(cm, direction, size) { if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) return; var startPoint = cm.getCursor("start"); var endPoint = cm.getCursor("end"); for(var i = startPoint.line; i <= endPoint.line; i++) { (function(i) { var text = cm.getLine(i); var currHeadingLevel = text.search(/[^#]/); if(direction !== undefined) { if(currHeadingLevel <= 0) { if(direction == "bigger") { text = "###### " + text; } else { text = "# " + text; } } else if(currHeadingLevel == 6 && direction == "smaller") { text = text.substr(7); } else if(currHeadingLevel == 1 && direction == "bigger") { text = text.substr(2); } else { if(direction == "bigger") { text = text.substr(1); } else { text = "#" + text; } } } else { if(size == 1) { if(currHeadingLevel <= 0) { text = "# " + text; } else if(currHeadingLevel == size) { text = text.substr(currHeadingLevel + 1); } else { text = "# " + text.substr(currHeadingLevel + 1); } } else if(size == 2) { if(currHeadingLevel <= 0) { text = "## " + text; } else if(currHeadingLevel == size) { text = text.substr(currHeadingLevel + 1); } else { text = "## " + text.substr(currHeadingLevel + 1); } } else { if(currHeadingLevel <= 0) { text = "### " + text; } else if(currHeadingLevel == size) { text = text.substr(currHeadingLevel + 1); } else { text = "### " + text.substr(currHeadingLevel + 1); } } } cm.replaceRange(text, { line: i, ch: 0 }, { line: i, ch: 99999999999999 }); })(i); } cm.focus(); } function _toggleLine(cm, name) { if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) return; var stat = getState(cm); var startPoint = cm.getCursor("start"); var endPoint = cm.getCursor("end"); var repl = { "quote": /^(\s*)\>\s+/, "unordered-list": /^(\s*)(\*|\-|\+)\s+/, "ordered-list": /^(\s*)\d+\.\s+/ }; var map = { "quote": "> ", "unordered-list": "* ", "ordered-list": "1. " }; for(var i = startPoint.line; i <= endPoint.line; i++) { (function(i) { var text = cm.getLine(i); if(stat[name]) { text = text.replace(repl[name], "$1"); } else { text = map[name] + text; } cm.replaceRange(text, { line: i, ch: 0 }, { line: i, ch: 99999999999999 }); })(i); } cm.focus(); } function _toggleBlock(editor, type, start_chars, end_chars) { if(/editor-preview-active/.test(editor.codemirror.getWrapperElement().lastChild.className)) return; end_chars = (typeof end_chars === "undefined") ? start_chars : end_chars; var cm = editor.codemirror; var stat = getState(cm); var text; var start = start_chars; var end = end_chars; var startPoint = cm.getCursor("start"); var endPoint = cm.getCursor("end"); if(stat[type]) { text = cm.getLine(startPoint.line); start = text.slice(0, startPoint.ch); end = text.slice(startPoint.ch); if(type == "bold") { start = start.replace(/(\*\*|__)(?![\s\S]*(\*\*|__))/, ""); end = end.replace(/(\*\*|__)/, ""); } else if(type == "italic") { start = start.replace(/(\*|_)(?![\s\S]*(\*|_))/, ""); end = end.replace(/(\*|_)/, ""); } else if(type == "strikethrough") { start = start.replace(/(\*\*|~~)(?![\s\S]*(\*\*|~~))/, ""); end = end.replace(/(\*\*|~~)/, ""); } cm.replaceRange(start + end, { line: startPoint.line, ch: 0 }, { line: startPoint.line, ch: 99999999999999 }); if(type == "bold" || type == "strikethrough") { startPoint.ch -= 2; if(startPoint !== endPoint) { endPoint.ch -= 2; } } else if(type == "italic") { startPoint.ch -= 1; if(startPoint !== endPoint) { endPoint.ch -= 1; } } } else { text = cm.getSelection(); if(type == "bold") { text = text.split("**").join(""); text = text.split("__").join(""); } else if(type == "italic") { text = text.split("*").join(""); text = text.split("_").join(""); } else if(type == "strikethrough") { text = text.split("~~").join(""); } cm.replaceSelection(start + text + end); startPoint.ch += start_chars.length; endPoint.ch = startPoint.ch + text.length; } cm.setSelection(startPoint, endPoint); cm.focus(); } function _cleanBlock(cm) { if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className)) return; var startPoint = cm.getCursor("start"); var endPoint = cm.getCursor("end"); var text; for(var line = startPoint.line; line <= endPoint.line; line++) { text = cm.getLine(line); text = text.replace(/^[ ]*([# ]+|\*|\-|[> ]+|[0-9]+(.|\)))[ ]*/, ""); cm.replaceRange(text, { line: line, ch: 0 }, { line: line, ch: 99999999999999 }); } } // Merge the properties of one object into another. function _mergeProperties(target, source) { for(var property in source) { if(source.hasOwnProperty(property)) { if(source[property] instanceof Array) { target[property] = source[property].concat(target[property] instanceof Array ? target[property] : []); } else if( source[property] !== null && typeof source[property] === "object" && source[property].constructor === Object ) { target[property] = _mergeProperties(target[property] || {}, source[property]); } else { target[property] = source[property]; } } } return target; } // Merge an arbitrary number of objects into one. function extend(target) { for(var i = 1; i < arguments.length; i++) { target = _mergeProperties(target, arguments[i]); } return target; } /* The right word count in respect for CJK. */ function wordCount(data) { var pattern = /[a-zA-Z0-9_\u0392-\u03c9\u0410-\u04F9]+|[\u4E00-\u9FFF\u3400-\u4dbf\uf900-\ufaff\u3040-\u309f\uac00-\ud7af]+/g; var m = data.match(pattern); var count = 0; if(m === null) return count; for(var i = 0; i < m.length; i++) { if(m[i].charCodeAt(0) >= 0x4E00) { count += m[i].length; } else { count += 1; } } return count; } var toolbarBuiltInButtons = { "bold": { name: "bold", action: toggleBold, className: "fa fa-bold", title: "Bold", default: true }, "italic": { name: "italic", action: toggleItalic, className: "fa fa-italic", title: "Italic", default: true }, "strikethrough": { name: "strikethrough", action: toggleStrikethrough, className: "fa fa-strikethrough", title: "Strikethrough" }, "heading": { name: "heading", action: toggleHeadingSmaller, className: "fa fa-header", title: "Heading", default: true }, "heading-smaller": { name: "heading-smaller", action: toggleHeadingSmaller, className: "fa fa-header fa-header-x fa-header-smaller", title: "Smaller Heading" }, "heading-bigger": { name: "heading-bigger", action: toggleHeadingBigger, className: "fa fa-header fa-header-x fa-header-bigger", title: "Bigger Heading" }, "heading-1": { name: "heading-1", action: toggleHeading1, className: "fa fa-header fa-header-x fa-header-1", title: "Big Heading" }, "heading-2": { name: "heading-2", action: toggleHeading2, className: "fa fa-header fa-header-x fa-header-2", title: "Medium Heading" }, "heading-3": { name: "heading-3", action: toggleHeading3, className: "fa fa-header fa-header-x fa-header-3", title: "Small Heading" }, "separator-1": { name: "separator-1" }, "code": { name: "code", action: toggleCodeBlock, className: "fa fa-code", title: "Code" }, "quote": { name: "quote", action: toggleBlockquote, className: "fa fa-quote-left", title: "Quote", default: true }, "unordered-list": { name: "unordered-list", action: toggleUnorderedList, className: "fa fa-list-ul", title: "Generic List", default: true }, "ordered-list": { name: "ordered-list", action: toggleOrderedList, className: "fa fa-list-ol", title: "Numbered List", default: true }, "clean-block": { name: "clean-block", action: cleanBlock, className: "fa fa-eraser fa-clean-block", title: "Clean block" }, "separator-2": { name: "separator-2" }, "link": { name: "link", action: drawLink, className: "fa fa-link", title: "Create Link", default: true }, "image": { name: "image", action: drawImage, className: "fa fa-picture-o", title: "Insert Image", default: true }, "table": { name: "table", action: drawTable, className: "fa fa-table", title: "Insert Table" }, "horizontal-rule": { name: "horizontal-rule", action: drawHorizontalRule, className: "fa fa-minus", title: "Insert Horizontal Line" }, "separator-3": { name: "separator-3" }, "preview": { name: "preview", action: togglePreview, className: "fa fa-eye no-disable", title: "Toggle Preview", default: true }, "side-by-side": { name: "side-by-side", action: toggleSideBySide, className: "fa fa-columns no-disable no-mobile", title: "Toggle Side by Side", default: true }, "fullscreen": { name: "fullscreen", action: toggleFullScreen, className: "fa fa-arrows-alt no-disable no-mobile", title: "Toggle Fullscreen", default: true }, "separator-4": { name: "separator-4" }, "guide": { name: "guide", action: "https://simplemde.com/markdown-guide", className: "fa fa-question-circle", title: "Markdown Guide", default: true }, "separator-5": { name: "separator-5" }, "undo": { name: "undo", action: undo, className: "fa fa-undo no-disable", title: "Undo" }, "redo": { name: "redo", action: redo, className: "fa fa-repeat no-disable", title: "Redo" } }; var insertTexts = { link: ["[", "](#url#)"], image: ["![](", "#url#)"], table: ["", "\n\n| Column 1 | Column 2 | Column 3 |\n| -------- | -------- | -------- |\n| Text | Text | Text |\n\n"], horizontalRule: ["", "\n\n-----\n\n"] }; var promptTexts = { link: "URL for the link:", image: "URL of the image:" }; var blockStyles = { "bold": "**", "code": "```", "italic": "*" }; /** * Interface of SimpleMDE. */ function SimpleMDE(options) { // Handle options parameter options = options || {}; // Used later to refer to it"s parent options.parent = this; // Check if Font Awesome needs to be auto downloaded var autoDownloadFA = true; if(options.autoDownloadFontAwesome === false) { autoDownloadFA = false; } if(options.autoDownloadFontAwesome !== true) { var styleSheets = document.styleSheets; for(var i = 0; i < styleSheets.length; i++) { if(!styleSheets[i].href) continue; if(styleSheets[i].href.indexOf("//maxcdn.bootstrapcdn.com/font-awesome/") > -1) { autoDownloadFA = false; } } } if(autoDownloadFA) { var link = document.createElement("link"); link.rel = "stylesheet"; link.href = "https://maxcdn.bootstrapcdn.com/font-awesome/latest/css/font-awesome.min.css"; document.getElementsByTagName("head")[0].appendChild(link); } // Find the textarea to use if(options.element) { this.element = options.element; } else if(options.element === null) { // This means that the element option was specified, but no element was found console.log("SimpleMDE: Error. No element was found."); return; } // Handle toolbar if(options.toolbar === undefined) { // Initialize options.toolbar = []; // Loop over the built in buttons, to get the preferred order for(var key in toolbarBuiltInButtons) { if(toolbarBuiltInButtons.hasOwnProperty(key)) { if(key.indexOf("separator-") != -1) { options.toolbar.push("|"); } if(toolbarBuiltInButtons[key].default === true || (options.showIcons && options.showIcons.constructor === Array && options.showIcons.indexOf(key) != -1)) { options.toolbar.push(key); } } } } // Handle status bar if(!options.hasOwnProperty("status")) { options.status = ["autosave", "lines", "words", "cursor"]; } // Add default preview rendering function if(!options.previewRender) { options.previewRender = function(plainText) { // Note: "this" refers to the options object return this.parent.markdown(plainText); }; } // Set default options for parsing config options.parsingConfig = extend({ highlightFormatting: true // needed for toggleCodeBlock to detect types of code }, options.parsingConfig || {}); // Merging the insertTexts, with the given options options.insertTexts = extend({}, insertTexts, options.insertTexts || {}); // Merging the promptTexts, with the given options options.promptTexts = promptTexts; // Merging the blockStyles, with the given options options.blockStyles = extend({}, blockStyles, options.blockStyles || {}); // Merging the shortcuts, with the given options options.shortcuts = extend({}, shortcuts, options.shortcuts || {}); // Change unique_id to uniqueId for backwards compatibility if(options.autosave != undefined && options.autosave.unique_id != undefined && options.autosave.unique_id != "") options.autosave.uniqueId = options.autosave.unique_id; // Update this options this.options = options; // Auto render this.render(); // The codemirror component is only available after rendering // so, the setter for the initialValue can only run after // the element has been rendered if(options.initialValue && (!this.options.autosave || this.options.autosave.foundSavedValue !== true)) { this.value(options.initialValue); } } /** * Default markdown render. */ SimpleMDE.prototype.markdown = function(text) { if(marked) { // Initialize var markedOptions = {}; // Update options if(this.options && this.options.renderingConfig && this.options.renderingConfig.singleLineBreaks === false) { markedOptions.breaks = false; } else { markedOptions.breaks = true; } if(this.options && this.options.renderingConfig && this.options.renderingConfig.codeSyntaxHighlighting === true && window.hljs) { markedOptions.highlight = function(code) { return window.hljs.highlightAuto(code).value; }; } // Set options marked.setOptions(markedOptions); // Return return marked(text); } }; /** * Render editor to the given element. */ SimpleMDE.prototype.render = function(el) { if(!el) { el = this.element || document.getElementsByTagName("textarea")[0]; } if(this._rendered && this._rendered === el) { // Already rendered. return; } this.element = el; var options = this.options; var self = this; var keyMaps = {}; for(var key in options.shortcuts) { // null stands for "do not bind this command" if(options.shortcuts[key] !== null && bindings[key] !== null) { (function(key) { keyMaps[fixShortcut(options.shortcuts[key])] = function() { bindings[key](self); }; })(key); } } keyMaps["Enter"] = "newlineAndIndentContinueMarkdownList"; keyMaps["Tab"] = "tabAndIndentMarkdownList"; keyMaps["Shift-Tab"] = "shiftTabAndUnindentMarkdownList"; keyMaps["Esc"] = function(cm) { if(cm.getOption("fullScreen")) toggleFullScreen(self); }; document.addEventListener("keydown", function(e) { e = e || window.event; if(e.keyCode == 27) { if(self.codemirror.getOption("fullScreen")) toggleFullScreen(self); } }, false); var mode, backdrop; if(options.spellChecker !== false) { mode = "spell-checker"; backdrop = options.parsingConfig; backdrop.name = "gfm"; backdrop.gitHubSpice = false; CodeMirrorSpellChecker({ codeMirrorInstance: CodeMirror }); } else { mode = options.parsingConfig; mode.name = "gfm"; mode.gitHubSpice = false; } this.codemirror = CodeMirror.fromTextArea(el, { mode: mode, backdrop: backdrop, theme: "paper", tabSize: (options.tabSize != undefined) ? options.tabSize : 2, indentUnit: (options.tabSize != undefined) ? options.tabSize : 2, indentWithTabs: (options.indentWithTabs === false) ? false : true, lineNumbers: false, autofocus: (options.autofocus === true) ? true : false, extraKeys: keyMaps, lineWrapping: (options.lineWrapping === false) ? false : true, allowDropFileTypes: ["text/plain"], placeholder: options.placeholder || el.getAttribute("placeholder") || "", styleSelectedText: (options.styleSelectedText != undefined) ? options.styleSelectedText : true }); this.codemirror.changeEnd = CodeMirror.changeEnd; if(options.forceSync === true) { var cm = this.codemirror; cm.on("change", function() { cm.save(); }); } this.gui = {}; if(options.toolbar !== false) { this.gui.toolbar = this.createToolbar(); } if(options.status !== false) { this.gui.statusbar = this.createStatusbar(); } if(options.autosave != undefined && options.autosave.enabled === true) { this.autosave(); } this.gui.sideBySide = this.createSideBySide(); this._rendered = this.element; // Fixes CodeMirror bug (#344) var temp_cm = this.codemirror; setTimeout(function() { temp_cm.refresh(); }.bind(temp_cm), 0); }; // Safari, in Private Browsing Mode, looks like it supports localStorage but all calls to setItem throw QuotaExceededError. We're going to detect this and set a variable accordingly. function isLocalStorageAvailable() { if(typeof localStorage === "object") { try { localStorage.setItem("smde_localStorage", 1); localStorage.removeItem("smde_localStorage"); } catch(e) { return false; } } else { return false; } return true; } SimpleMDE.prototype.autosave = function() { if(isLocalStorageAvailable()) { var simplemde = this; if(this.options.autosave.uniqueId == undefined || this.options.autosave.uniqueId == "") { console.log("SimpleMDE: You must set a uniqueId to use the autosave feature"); return; } if(simplemde.element.form != null && simplemde.element.form != undefined) { simplemde.element.form.addEventListener("submit", function() { localStorage.removeItem("smde_" + simplemde.options.autosave.uniqueId); }); } if(this.options.autosave.loaded !== true) { if(typeof localStorage.getItem("smde_" + this.options.autosave.uniqueId) == "string" && localStorage.getItem("smde_" + this.options.autosave.uniqueId) != "") { this.codemirror.setValue(localStorage.getItem("smde_" + this.options.autosave.uniqueId)); this.options.autosave.foundSavedValue = true; } this.options.autosave.loaded = true; } localStorage.setItem("smde_" + this.options.autosave.uniqueId, simplemde.value()); var el = document.getElementById("autosaved"); if(el != null && el != undefined && el != "") { var d = new Date(); var hh = d.getHours(); var m = d.getMinutes(); var dd = "am"; var h = hh; if(h >= 12) { h = hh - 12; dd = "pm"; } if(h == 0) { h = 12; } m = m < 10 ? "0" + m : m; el.innerHTML = "Autosaved: " + h + ":" + m + " " + dd; } this.autosaveTimeoutId = setTimeout(function() { simplemde.autosave(); }, this.options.autosave.delay || 10000); } else { console.log("SimpleMDE: localStorage not available, cannot autosave"); } }; SimpleMDE.prototype.clearAutosavedValue = function() { if(isLocalStorageAvailable()) { if(this.options.autosave == undefined || this.options.autosave.uniqueId == undefined || this.options.autosave.uniqueId == "") { console.log("SimpleMDE: You must set a uniqueId to clear the autosave value"); return; } localStorage.removeItem("smde_" + this.options.autosave.uniqueId); } else { console.log("SimpleMDE: localStorage not available, cannot autosave"); } }; SimpleMDE.prototype.createSideBySide = function() { var cm = this.codemirror; var wrapper = cm.getWrapperElement(); var preview = wrapper.nextSibling; if(!preview || !/editor-preview-side/.test(preview.className)) { preview = document.createElement("div"); preview.className = "editor-preview-side"; wrapper.parentNode.insertBefore(preview, wrapper.nextSibling); } // Syncs scroll editor -> preview var cScroll = false; var pScroll = false; cm.on("scroll", function(v) { if(cScroll) { cScroll = false; return; } pScroll = true; var height = v.getScrollInfo().height - v.getScrollInfo().clientHeight; var ratio = parseFloat(v.getScrollInfo().top) / height; var move = (preview.scrollHeight - preview.clientHeight) * ratio; preview.scrollTop = move; }); // Syncs scroll preview -> editor preview.onscroll = function() { if(pScroll) { pScroll = false; return; } cScroll = true; var height = preview.scrollHeight - preview.clientHeight; var ratio = parseFloat(preview.scrollTop) / height; var move = (cm.getScrollInfo().height - cm.getScrollInfo().clientHeight) * ratio; cm.scrollTo(0, move); }; return preview; }; SimpleMDE.prototype.createToolbar = function(items) { items = items || this.options.toolbar; if(!items || items.length === 0) { return; } var i; for(i = 0; i < items.length; i++) { if(toolbarBuiltInButtons[items[i]] != undefined) { items[i] = toolbarBuiltInButtons[items[i]]; } } var bar = document.createElement("div"); bar.className = "editor-toolbar"; var self = this; var toolbarData = {}; self.toolbar = items; for(i = 0; i < items.length; i++) { if(items[i].name == "guide" && self.options.toolbarGuideIcon === false) continue; if(self.options.hideIcons && self.options.hideIcons.indexOf(items[i].name) != -1) continue; // Fullscreen does not work well on mobile devices (even tablets) // In the future, hopefully this can be resolved if((items[i].name == "fullscreen" || items[i].name == "side-by-side") && isMobile()) continue; // Don't include trailing separators if(items[i] === "|") { var nonSeparatorIconsFollow = false; for(var x = (i + 1); x < items.length; x++) { if(items[x] !== "|" && (!self.options.hideIcons || self.options.hideIcons.indexOf(items[x].name) == -1)) { nonSeparatorIconsFollow = true; } } if(!nonSeparatorIconsFollow) continue; } // Create the icon and append to the toolbar (function(item) { var el; if(item === "|") { el = createSep(); } else { el = createIcon(item, self.options.toolbarTips, self.options.shortcuts); } // bind events, special for info if(item.action) { if(typeof item.action === "function") { el.onclick = function(e) { e.preventDefault(); item.action(self); }; } else if(typeof item.action === "string") { el.href = item.action; el.target = "_blank"; } } toolbarData[item.name || item] = el; bar.appendChild(el); })(items[i]); } self.toolbarElements = toolbarData; var cm = this.codemirror; cm.on("cursorActivity", function() { var stat = getState(cm); for(var key in toolbarData) { (function(key) { var el = toolbarData[key]; if(stat[key]) { el.className += " active"; } else if(key != "fullscreen" && key != "side-by-side") { el.className = el.className.replace(/\s*active\s*/g, ""); } })(key); } }); var cmWrapper = cm.getWrapperElement(); cmWrapper.parentNode.insertBefore(bar, cmWrapper); return bar; }; SimpleMDE.prototype.createStatusbar = function(status) { // Initialize status = status || this.options.status; var options = this.options; var cm = this.codemirror; // Make sure the status variable is valid if(!status || status.length === 0) return; // Set up the built-in items var items = []; var i, onUpdate, defaultValue; for(i = 0; i < status.length; i++) { // Reset some values onUpdate = undefined; defaultValue = undefined; // Handle if custom or not if(typeof status[i] === "object") { items.push({ className: status[i].className, defaultValue: status[i].defaultValue, onUpdate: status[i].onUpdate }); } else { var name = status[i]; if(name === "words") { defaultValue = function(el) { el.innerHTML = wordCount(cm.getValue()); }; onUpdate = function(el) { el.innerHTML = wordCount(cm.getValue()); }; } else if(name === "lines") { defaultValue = function(el) { el.innerHTML = cm.lineCount(); }; onUpdate = function(el) { el.innerHTML = cm.lineCount(); }; } else if(name === "cursor") { defaultValue = function(el) { el.innerHTML = "0:0"; }; onUpdate = function(el) { var pos = cm.getCursor(); el.innerHTML = pos.line + ":" + pos.ch; }; } else if(name === "autosave") { defaultValue = function(el) { if(options.autosave != undefined && options.autosave.enabled === true) { el.setAttribute("id", "autosaved"); } }; } items.push({ className: name, defaultValue: defaultValue, onUpdate: onUpdate }); } } // Create element for the status bar var bar = document.createElement("div"); bar.className = "editor-statusbar"; // Create a new span for each item for(i = 0; i < items.length; i++) { // Store in temporary variable var item = items[i]; // Create span element var el = document.createElement("span"); el.className = item.className; // Ensure the defaultValue is a function if(typeof item.defaultValue === "function") { item.defaultValue(el); } // Ensure the onUpdate is a function if(typeof item.onUpdate === "function") { // Create a closure around the span of the current action, then execute the onUpdate handler this.codemirror.on("update", (function(el, item) { return function() { item.onUpdate(el); }; }(el, item))); } // Append the item to the status bar bar.appendChild(el); } // Insert the status bar into the DOM var cmWrapper = this.codemirror.getWrapperElement(); cmWrapper.parentNode.insertBefore(bar, cmWrapper.nextSibling); return bar; }; /** * Get or set the text content. */ SimpleMDE.prototype.value = function(val) { if(val === undefined) { return this.codemirror.getValue(); } else { this.codemirror.getDoc().setValue(val); return this; } }; /** * Bind static methods for exports. */ SimpleMDE.toggleBold = toggleBold; SimpleMDE.toggleItalic = toggleItalic; SimpleMDE.toggleStrikethrough = toggleStrikethrough; SimpleMDE.toggleBlockquote = toggleBlockquote; SimpleMDE.toggleHeadingSmaller = toggleHeadingSmaller; SimpleMDE.toggleHeadingBigger = toggleHeadingBigger; SimpleMDE.toggleHeading1 = toggleHeading1; SimpleMDE.toggleHeading2 = toggleHeading2; SimpleMDE.toggleHeading3 = toggleHeading3; SimpleMDE.toggleCodeBlock = toggleCodeBlock; SimpleMDE.toggleUnorderedList = toggleUnorderedList; SimpleMDE.toggleOrderedList = toggleOrderedList; SimpleMDE.cleanBlock = cleanBlock; SimpleMDE.drawLink = drawLink; SimpleMDE.drawImage = drawImage; SimpleMDE.drawTable = drawTable; SimpleMDE.drawHorizontalRule = drawHorizontalRule; SimpleMDE.undo = undo; SimpleMDE.redo = redo; SimpleMDE.togglePreview = togglePreview; SimpleMDE.toggleSideBySide = toggleSideBySide; SimpleMDE.toggleFullScreen = toggleFullScreen; /** * Bind instance methods for exports. */ SimpleMDE.prototype.toggleBold = function() { toggleBold(this); }; SimpleMDE.prototype.toggleItalic = function() { toggleItalic(this); }; SimpleMDE.prototype.toggleStrikethrough = function() { toggleStrikethrough(this); }; SimpleMDE.prototype.toggleBlockquote = function() { toggleBlockquote(this); }; SimpleMDE.prototype.toggleHeadingSmaller = function() { toggleHeadingSmaller(this); }; SimpleMDE.prototype.toggleHeadingBigger = function() { toggleHeadingBigger(this); }; SimpleMDE.prototype.toggleHeading1 = function() { toggleHeading1(this); }; SimpleMDE.prototype.toggleHeading2 = function() { toggleHeading2(this); }; SimpleMDE.prototype.toggleHeading3 = function() { toggleHeading3(this); }; SimpleMDE.prototype.toggleCodeBlock = function() { toggleCodeBlock(this); }; SimpleMDE.prototype.toggleUnorderedList = function() { toggleUnorderedList(this); }; SimpleMDE.prototype.toggleOrderedList = function() { toggleOrderedList(this); }; SimpleMDE.prototype.cleanBlock = function() { cleanBlock(this); }; SimpleMDE.prototype.drawLink = function() { drawLink(this); }; SimpleMDE.prototype.drawImage = function() { drawImage(this); }; SimpleMDE.prototype.drawTable = function() { drawTable(this); }; SimpleMDE.prototype.drawHorizontalRule = function() { drawHorizontalRule(this); }; SimpleMDE.prototype.undo = function() { undo(this); }; SimpleMDE.prototype.redo = function() { redo(this); }; SimpleMDE.prototype.togglePreview = function() { togglePreview(this); }; SimpleMDE.prototype.toggleSideBySide = function() { toggleSideBySide(this); }; SimpleMDE.prototype.toggleFullScreen = function() { toggleFullScreen(this); }; SimpleMDE.prototype.isPreviewActive = function() { var cm = this.codemirror; var wrapper = cm.getWrapperElement(); var preview = wrapper.lastChild; return /editor-preview-active/.test(preview.className); }; SimpleMDE.prototype.isSideBySideActive = function() { var cm = this.codemirror; var wrapper = cm.getWrapperElement(); var preview = wrapper.nextSibling; return /editor-preview-active-side/.test(preview.className); }; SimpleMDE.prototype.isFullscreenActive = function() { var cm = this.codemirror; return cm.getOption("fullScreen"); }; SimpleMDE.prototype.getState = function() { var cm = this.codemirror; return getState(cm); }; SimpleMDE.prototype.toTextArea = function() { var cm = this.codemirror; var wrapper = cm.getWrapperElement(); if(wrapper.parentNode) { if(this.gui.toolbar) { wrapper.parentNode.removeChild(this.gui.toolbar); } if(this.gui.statusbar) { wrapper.parentNode.removeChild(this.gui.statusbar); } if(this.gui.sideBySide) { wrapper.parentNode.removeChild(this.gui.sideBySide); } } cm.toTextArea(); if(this.autosaveTimeoutId) { clearTimeout(this.autosaveTimeoutId); this.autosaveTimeoutId = undefined; this.clearAutosavedValue(); } }; module.exports = SimpleMDE; },{"./codemirror/tablist":19,"codemirror":10,"codemirror-spell-checker":4,"codemirror/addon/display/fullscreen.js":5,"codemirror/addon/display/placeholder.js":6,"codemirror/addon/edit/continuelist.js":7,"codemirror/addon/mode/overlay.js":8,"codemirror/addon/selection/mark-selection.js":9,"codemirror/mode/gfm/gfm.js":11,"codemirror/mode/markdown/markdown.js":12,"codemirror/mode/xml/xml.js":14,"marked":17}]},{},[20])(20) });