?? highlight.js
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/******************************************************************************* * Copyright (c) 2000, 2005 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/var isSafari = (navigator.userAgent.indexOf('Safari/') != -1) || (navigator.userAgent.indexOf('AppleWebKit/') != -1);var highlighted=false;var startTime;var MAX_DURATION=3000;onload=highlight;document.onreadystatechange=highlight;function highlight(){ if(highlighted){ return; } highlighted=true; if (!document.body) return; if(document.body.innerHTML.length < 50000){ for(i=0; i<keywords.length; i++){ word=keywords[i].toLowerCase(); highlightWordInNode(word, document.body); } }else{ startTime=new Date().getTime(); for(i=0; i<keywords.length; i++){ word=keywords[i].toLowerCase(); highlightWordInNodeTimed(word, document.body); if(new Date().getTime()>startTime+MAX_DURATION) return; } }}function highlightWordInNode(aWord, aNode){ if (aNode.nodeType == 1){ var children = aNode.childNodes; for(var i=0; i < children.length; i++) { highlightWordInNode(aWord, children[i]); } } else if(aNode.nodeType==3){ highlightWordInText(aWord, aNode); }}function highlightWordInNodeTimed(aWord, aNode){ if (aNode.nodeType == 1){ var children = aNode.childNodes; for(var i=0; i < children.length; i++) { highlightWordInNodeTimed(aWord, children[i]); if(new Date().getTime()>startTime+MAX_DURATION) return; } } else if(aNode.nodeType==3){ highlightWordInText(aWord, aNode); }}function highlightWordInText(aWord, textNode){ allText=new String(textNode.data); allTextLowerCase=allText.toLowerCase(); index=allTextLowerCase.indexOf(aWord); if(index>=0){ // create a node to replace the textNode so we end up // not changing number of children of textNode.parent replacementNode=document.createElement("span"); textNode.parentNode.insertBefore(replacementNode, textNode); while(index>=0){ before=allText.substring(0,index); newBefore=document.createTextNode(before); replacementNode.appendChild(newBefore); spanNode=document.createElement("span"); if(isSafari){ spanNode.style.color="#000000"; spanNode.style.background="#B5D5FF"; }else{ spanNode.style.background="Highlight"; spanNode.style.color="HighlightText"; } replacementNode.appendChild(spanNode); boldText=document.createTextNode(allText.substring(index,index+aWord.length)); spanNode.appendChild(boldText); allText=allText.substring(index+aWord.length); allTextLowerCase=allText.toLowerCase(); index=allTextLowerCase.indexOf(aWord); } newAfter=document.createTextNode(allText); replacementNode.appendChild(newAfter); textNode.parentNode.removeChild(textNode); }}
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