runmode.js (2555B)
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("resource://devtools/client/shared/sourceeditor/codemirror/lib/codemirror.js")); 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 ie = /MSIE \d/.test(navigator.userAgent); 17 var ie_lt9 = ie && (document.documentMode == null || document.documentMode < 9); 18 19 if (callback.appendChild) { 20 var tabSize = (options && options.tabSize) || CodeMirror.defaults.tabSize; 21 var node = callback, col = 0; 22 node.innerHTML = ""; 23 callback = function(text, style) { 24 if (text == "\n") { 25 // Emitting LF or CRLF on IE8 or earlier results in an incorrect display. 26 // Emitting a carriage return makes everything ok. 27 node.appendChild(document.createTextNode(ie_lt9 ? '\r' : text)); 28 col = 0; 29 return; 30 } 31 var content = ""; 32 // replace tabs 33 for (var pos = 0;;) { 34 var idx = text.indexOf("\t", pos); 35 if (idx == -1) { 36 content += text.slice(pos); 37 col += text.length - pos; 38 break; 39 } else { 40 col += idx - pos; 41 content += text.slice(pos, idx); 42 var size = tabSize - col % tabSize; 43 col += size; 44 for (var i = 0; i < size; ++i) content += " "; 45 pos = idx + 1; 46 } 47 } 48 49 if (style) { 50 var sp = node.appendChild(document.createElement("span")); 51 sp.className = "cm-" + style.replace(/ +/g, " cm-"); 52 sp.appendChild(document.createTextNode(content)); 53 } else { 54 node.appendChild(document.createTextNode(content)); 55 } 56 }; 57 } 58 59 var lines = CodeMirror.splitLines(string), state = (options && options.state) || CodeMirror.startState(mode); 60 for (var i = 0, e = lines.length; i < e; ++i) { 61 if (i) callback("\n"); 62 var stream = new CodeMirror.StringStream(lines[i]); 63 if (!stream.string && mode.blankLine) mode.blankLine(state); 64 while (!stream.eol()) { 65 var style = mode.token(stream, state); 66 callback(stream.current(), style, i, stream.start, state); 67 stream.start = stream.pos; 68 } 69 } 70 }; 71 72 });