| 1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others |
| 2 | // Distributed under an MIT license: https://codemirror.net/LICENSE |
| 3 | |
| 4 | (function(mod) { |
| 5 | if (typeof exports == "object" && typeof module == "object") // CommonJS |
| 6 | mod(require("../../lib/codemirror")); |
| 7 | else if (typeof define == "function" && define.amd) // AMD |
| 8 | define(["../../lib/codemirror"], mod); |
| 9 | else // Plain browser env |
| 10 | mod(CodeMirror); |
| 11 | })(function(CodeMirror) { |
| 12 | "use strict"; |
| 13 | |
| 14 | CodeMirror.runMode = function(string, modespec, callback, options) { |
| 15 | var mode = CodeMirror.getMode(CodeMirror.defaults, modespec); |
| 16 | var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize; |
| 17 | |
| 18 | // Create a tokenizing callback function if passed-in callback is a DOM element. |
| 19 | if (callback.appendChild) { |
| 20 | var ie = /MSIE \d/.test(navigator.userAgent); |
| 21 | var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9); |
| 22 | var node = callback, col = 0; |
| 23 | node.innerHTML = ""; |
| 24 | callback = function(text, style) { |
| 25 | if (text == "\n") { |
| 26 | // Emitting LF or CRLF on IE8 or earlier results in an incorrect display. |
| 27 | // Emitting a carriage return makes everything ok. |
| 28 | node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text)); |
| 29 | col = 0; |
| 30 | return; |
| 31 | } |
| 32 | var content = ""; |
| 33 | // replace tabs |
| 34 | for (var pos = 0;;) { |
| 35 | var idx = text.indexOf("\t", pos); |
| 36 | if (idx == -1) { |
| 37 | content += text.slice(pos); |
| 38 | col += text.length - pos; |
| 39 | break; |
| 40 | } else { |
| 41 | col += idx - pos; |
| 42 | content += text.slice(pos, idx); |
| 43 | var size = tabSize - col % tabSize; |
| 44 | col += size; |
| 45 | for (var i = 0; i < size; ++i) content += " "; |
| 46 | pos = idx + 1; |
| 47 | } |
| 48 | } |
| 49 | // Create a node with token style and append it to the callback DOM element. |
| 50 | if (style) { |
| 51 | var sp = node.appendChild(document.createElement("span")); |
| 52 | sp.className = "cm-" + style.replace(/ +/g, " cm-"); |
| 53 | sp.appendChild(document.createTextNode(content)); |
| 54 | } else { |
| 55 | node.appendChild(document.createTextNode(content)); |
| 56 | } |
| 57 | }; |
| 58 | } |
| 59 | |
| 60 | var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode); |
| 61 | for (var i = 0, e = lines.length; i < e; ++i) { |
| 62 | if (i) callback("\n"); |
| 63 | var stream = new CodeMirror.StringStream(lines[i], null, { |
| 64 | lookAhead: function(n) { return lines[i + n] }, |
| 65 | baseToken: function() {} |
| 66 | }); |
| 67 | if (!stream.string && mode.blankLine) mode.blankLine(state); |
| 68 | while (!stream.eol()) { |
| 69 | var style = mode.token(stream, state); |
| 70 | callback(stream.current(), style, i, stream.start, state, mode); |
| 71 | stream.start = stream.pos; |
| 72 | } |
| 73 | } |
| 74 | }; |
| 75 | |
| 76 | }); |