1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /** 32 * @constructor 33 */ 34 WebInspector.DOMSyntaxHighlighter = function(mimeType, stripExtraWhitespace) 35 { 36 this._tokenizer = WebInspector.SourceTokenizer.Registry.getInstance().getTokenizer(mimeType); 37 this._stripExtraWhitespace = stripExtraWhitespace; 38 } 39 40 WebInspector.DOMSyntaxHighlighter.prototype = { 41 createSpan: function(content, className) 42 { 43 var span = document.createElement("span"); 44 span.className = "webkit-" + className; 45 if (this._stripExtraWhitespace && className !== "whitespace") 46 content = content.replace(/^[\n\r]*/, "").replace(/\s*$/, ""); 47 span.appendChild(document.createTextNode(content)); 48 return span; 49 }, 50 51 syntaxHighlightNode: function(node) 52 { 53 this._tokenizer.condition = this._tokenizer.createInitialCondition(); 54 var lines = node.textContent.split("\n"); 55 node.removeChildren(); 56 57 for (var i = lines[0].length ? 0 : 1; i < lines.length; ++i) { 58 var line = lines[i]; 59 var plainTextStart = 0; 60 this._tokenizer.line = line; 61 var column = 0; 62 do { 63 var newColumn = this._tokenizer.nextToken(column); 64 var tokenType = this._tokenizer.tokenType; 65 if (tokenType) { 66 if (column > plainTextStart) { 67 var plainText = line.substring(plainTextStart, column); 68 node.appendChild(document.createTextNode(plainText)); 69 } 70 var token = line.substring(column, newColumn); 71 node.appendChild(this.createSpan(token, tokenType)); 72 plainTextStart = newColumn; 73 } 74 column = newColumn; 75 } while (column < line.length) 76 77 if (plainTextStart < line.length) { 78 var plainText = line.substring(plainTextStart, line.length); 79 node.appendChild(document.createTextNode(plainText)); 80 } 81 if (i < lines.length - 1) 82 node.appendChild(document.createElement("br")); 83 } 84 } 85 } 86
