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5 lines
12 KiB
5 lines
12 KiB
/*
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Syntax highlighting with language autodetection.
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http://softwaremaniacs.org/soft/highlight/
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*/
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var hljs=new function(){var LANGUAGES={};var selected_languages={};function escape(value){return value.replace(/&/gm,'&').replace(/</gm,'<').replace(/>/gm,'>')};function contains(array,item){if(!array)return false;for(var i=0;i<array.length;i++)if(array[i]==item)return true;return false};function langRe(language,value,global){var mode='m'+(language.case_insensitive?'i':'')+(global?'g':'');return new RegExp(value,mode)};function findCode(pre){var node;for(var i=0;i<pre.childNodes.length;i++){node=pre.childNodes[i];if(node.nodeName=='CODE')return node;if(!(node.nodeType==3&&node.nodeValue.match(/\s+/)))return null}};function blockText(block){var result='';for(var i=0;i<block.childNodes.length;i++)if(block.childNodes[i].nodeType==3)result+=block.childNodes[i].nodeValue;else if(block.childNodes[i].nodeName=='BR')result+='\n';else result+=blockText(block.childNodes[i]);return result};function blockLanguage(block){var classes=block.className.split(/\s+/);classes=classes.concat(block.parentNode.className.split(/\s+/));for(var i=0;i<classes.length;i++){var class_=classes[i].replace(/^language-/,'');if(class_=='no-highlight'){throw'No highlight'};if(LANGUAGES[class_]){return class_}}};function nodeStream(node){var result=[];(function(node,offset){for(var i=0;i<node.childNodes.length;i++){if(node.childNodes[i].nodeType==3)offset+=node.childNodes[i].nodeValue.length;else if(node.childNodes[i].nodeName=='BR')offset+=1;else{result.push({event:'start',offset:offset,node:node.childNodes[i]});offset=arguments.callee(node.childNodes[i],offset);result.push({event:'stop',offset:offset,node:node.childNodes[i]})}};return offset})(node,0);return result};function mergeStreams(stream1,stream2,value){var processed=0;var result='';var nodeStack=[];function selectStream(){if(stream1.length&&stream2.length){if(stream1[0].offset!=stream2[0].offset)return(stream1[0].offset<stream2[0].offset)?stream1:stream2;else return(stream1[0].event=='start'&&stream2[0].event=='stop')?stream2:stream1}else{return stream1.length?stream1:stream2}};function open(node){var result='<'+node.nodeName.toLowerCase();for(var i=0;i<node.attributes.length;i++){var attribute=node.attributes[i];result+=' '+attribute.nodeName.toLowerCase();if(attribute.nodeValue!=undefined){result+='="'+escape(attribute.nodeValue)+'"'}};return result+'>'};function close(node){return'</'+node.nodeName.toLowerCase()+'>'};while(stream1.length||stream2.length){var current=selectStream().splice(0,1)[0];result+=escape(value.substr(processed,current.offset-processed));processed=current.offset;if(current.event=='start'){result+=open(current.node);nodeStack.push(current.node)}else if(current.event=='stop'){var i=nodeStack.length;do{i--;var node=nodeStack[i];result+=close(node)}while(node!=current.node);nodeStack.splice(i,1);while(i<nodeStack.length){result+=open(nodeStack[i]);i++}}};result+=value.substr(processed);return result};function highlight(language_name,value){function compileSubModes(mode,language){mode.sub_modes=[];for(var i=0;i<mode.contains.length;i++){for(var j=0;j<language.modes.length;j++){if(language.modes[j].className==mode.contains[i]){mode.sub_modes[mode.sub_modes.length]=language.modes[j]}}}};function subMode(lexem,mode){if(!mode.contains){return null};if(!mode.sub_modes){compileSubModes(mode,language)};for(var i=0;i<mode.sub_modes.length;i++){if(mode.sub_modes[i].beginRe.test(lexem)){return mode.sub_modes[i]}};return null};function endOfMode(mode_index,lexem){if(modes[mode_index].end&&modes[mode_index].endRe.test(lexem))return 1;if(modes[mode_index].endsWithParent){var level=endOfMode(mode_index-1,lexem);return level?level+1:0};return 0};function isIllegal(lexem,mode){return mode.illegalRe&&mode.illegalRe.test(lexem)};function compileTerminators(mode,language){var terminators=[];function addTerminator(re){if(!contains(terminators,re)){terminators[terminators.length]=re}};if(mode.contains)for(var i=0;i<language.modes.length;i++){if(contains(mode.contains,language.modes[i].className)){addTerminator(language.modes[i].begin)}};var index=modes.length-1;do{if(modes[index].end){addTerminator(modes[index].end)};index--}while(modes[index+1].endsWithParent);if(mode.illegal){addTerminator(mode.illegal)};var terminator_re='('+terminators[0];for(var i=0;i<terminators.length;i++)terminator_re+='|'+terminators[i];terminator_re+=')';return langRe(language,terminator_re)};function eatModeChunk(value,index){var mode=modes[modes.length-1];if(!mode.terminators){mode.terminators=compileTerminators(mode,language)};value=value.substr(index);var match=mode.terminators.exec(value);if(!match)return[value,'',true];if(match.index==0)return['',match[0],false];else return[value.substr(0,match.index),match[0],false]};function keywordMatch(mode,match){var match_str=language.case_insensitive?match[0].toLowerCase():match[0];for(var className in mode.keywordGroups){if(!mode.keywordGroups.hasOwnProperty(className))continue;var value=mode.keywordGroups[className].hasOwnProperty(match_str);if(value)return[className,value]};return false};function processKeywords(buffer,mode){if(!mode.keywords||!mode.lexems)return escape(buffer);if(!mode.lexemsRe){var lexems_re='('+mode.lexems[0];for(var i=1;i<mode.lexems.length;i++)lexems_re+='|'+mode.lexems[i];lexems_re+=')';mode.lexemsRe=langRe(language,lexems_re,true)};var result='';var last_index=0;mode.lexemsRe.lastIndex=0;var match=mode.lexemsRe.exec(buffer);while(match){result+=escape(buffer.substr(last_index,match.index-last_index));var keyword_match=keywordMatch(mode,match);if(keyword_match){keyword_count+=keyword_match[1];result+='<span class="'+keyword_match[0]+'">'+escape(match[0])+'</span>'}else{result+=escape(match[0])};last_index=mode.lexemsRe.lastIndex;match=mode.lexemsRe.exec(buffer)};result+=escape(buffer.substr(last_index,buffer.length-last_index));return result};function processBuffer(buffer,mode){if(mode.subLanguage&&selected_languages[mode.subLanguage]){var result=highlight(mode.subLanguage,buffer);keyword_count+=result.keyword_count;relevance+=result.relevance;return result.value}else{return processKeywords(buffer,mode)}};function startNewMode(mode,lexem){var markup=mode.noMarkup?'':'<span class="'+mode.displayClassName+'">';if(mode.returnBegin){result+=markup;mode.buffer=''}else if(mode.excludeBegin){result+=escape(lexem)+markup;mode.buffer=''}else{result+=markup;mode.buffer=lexem};modes[modes.length]=mode};function processModeInfo(buffer,lexem,end){var current_mode=modes[modes.length-1];if(end){result+=processBuffer(current_mode.buffer+buffer,current_mode);return false};var new_mode=subMode(lexem,current_mode);if(new_mode){result+=processBuffer(current_mode.buffer+buffer,current_mode);startNewMode(new_mode,lexem);relevance+=new_mode.relevance;return new_mode.returnBegin};var end_level=endOfMode(modes.length-1,lexem);if(end_level){var markup=current_mode.noMarkup?'':'</span>';if(current_mode.returnEnd){result+=processBuffer(current_mode.buffer+buffer,current_mode)+markup}else if(current_mode.excludeEnd){result+=processBuffer(current_mode.buffer+buffer,current_mode)+markup+escape(lexem)}else{result+=processBuffer(current_mode.buffer+buffer+lexem,current_mode)+markup};while(end_level>1){markup=modes[modes.length-2].noMarkup?'':'</span>';result+=markup;end_level--;modes.length--};modes.length--;modes[modes.length-1].buffer='';if(current_mode.starts){for(var i=0;i<language.modes.length;i++){if(language.modes[i].className==current_mode.starts){startNewMode(language.modes[i],'');break}}};return current_mode.returnEnd};if(isIllegal(lexem,current_mode))throw'Illegal';};var language=LANGUAGES[language_name];var modes=[language.defaultMode];var relevance=0;var keyword_count=0;var result='';try{var index=0;language.defaultMode.buffer='';do{var mode_info=eatModeChunk(value,index);var return_lexem=processModeInfo(mode_info[0],mode_info[1],mode_info[2]);index+=mode_info[0].length;if(!return_lexem){index+=mode_info[1].length}}while(!mode_info[2]);if(modes.length>1)throw'Illegal';return{relevance:relevance,keyword_count:keyword_count,value:result}}catch(e){if(e=='Illegal'){return{relevance:0,keyword_count:0,value:escape(value)}}else{throw e;}}};function compileModes(){for(var i in LANGUAGES){if(!LANGUAGES.hasOwnProperty(i))continue;var language=LANGUAGES[i];for(var j=0;j<language.modes.length;j++){var mode=language.modes[j];if(mode.begin)mode.beginRe=langRe(language,'^'+mode.begin);if(mode.end)mode.endRe=langRe(language,'^'+mode.end);if(mode.illegal)mode.illegalRe=langRe(language,'^(?:'+mode.illegal+')');language.defaultMode.illegalRe=langRe(language,'^(?:'+language.defaultMode.illegal+')');if(mode.relevance==undefined){mode.relevance=1};if(!mode.displayClassName){mode.displayClassName=mode.className}}}};function compileKeywords(){function compileModeKeywords(mode){if(!mode.keywordGroups){for(var key in mode.keywords){if(!mode.keywords.hasOwnProperty(key))continue;if(mode.keywords[key]instanceof Object)mode.keywordGroups=mode.keywords;else mode.keywordGroups={'keyword':mode.keywords};break}}};for(var i in LANGUAGES){if(!LANGUAGES.hasOwnProperty(i))continue;var language=LANGUAGES[i];compileModeKeywords(language.defaultMode);for(var j=0;j<language.modes.length;j++){compileModeKeywords(language.modes[j])}}};function initialize(){if(initialize.called)return;initialize.called=true;compileModes();compileKeywords();selected_languages=LANGUAGES};function highlightBlock(block,tabReplace){initialize();try{var text=blockText(block);var language=blockLanguage(block)}catch(e){if(e=='No highlight')return};if(language){var result=highlight(language,text).value}else{var max_relevance=0;for(var key in selected_languages){if(!selected_languages.hasOwnProperty(key))continue;var lang_result=highlight(key,text);var relevance=lang_result.keyword_count+lang_result.relevance;if(relevance>max_relevance){max_relevance=relevance;var result=lang_result.value;language=key}}};if(result){var class_name=block.className;if(!class_name.match(language)){class_name+=' '+language};var original=nodeStream(block);if(original.length){var pre=document.createElement('pre');pre.innerHTML=result;result=mergeStreams(original,nodeStream(pre),text)};if(tabReplace){result=result.replace(/^((<[^>]+>|\t)+)/gm,function(match,p1,offset,s){return p1.replace(/\t/g,tabReplace)})};var container=document.createElement('div');container.innerHTML='<pre><code class="'+class_name+'">'+result+'</code></pre>';var environment=block.parentNode.parentNode;environment.replaceChild(container.firstChild,block.parentNode)}};function initHighlighting(){if(initHighlighting.called)return;initHighlighting.called=true;initialize();if(arguments.length){for(var i=0;i<arguments.length;i++){if(LANGUAGES[arguments[i]]){selected_languages[arguments[i]]=LANGUAGES[arguments[i]]}}};var pres=document.getElementsByTagName('pre');for(var i=0;i<pres.length;i++){var code=findCode(pres[i]);if(code)highlightBlock(code,hljs.tabReplace)}};function initHighlightingOnLoad(){var original_arguments=arguments;var handler=function(){initHighlighting.apply(null,original_arguments)};if(window.addEventListener){window.addEventListener('DOMContentLoaded',handler,false);window.addEventListener('load',handler,false)}else if(window.attachEvent)window.attachEvent('onload',handler);else window.onload=handler};this.LANGUAGES=LANGUAGES;this.initHighlightingOnLoad=initHighlightingOnLoad;this.highlightBlock=highlightBlock;this.initHighlighting=initHighlighting;this.IDENT_RE='[a-zA-Z][a-zA-Z0-9_]*';this.UNDERSCORE_IDENT_RE='[a-zA-Z_][a-zA-Z0-9_]*';this.NUMBER_RE='\\b\\d+(\\.\\d+)?';this.C_NUMBER_RE='\\b(0x[A-Za-z0-9]+|\\d+(\\.\\d+)?)';this.RE_STARTERS_RE='!|!=|!==|%|%=|&|&&|&=|\\*|\\*=|\\+|\\+=|,|\\.|-|-=|/|/=|:|;|<|<<|<<=|<=|=|==|===|>|>=|>>|>>=|>>>|>>>=|\\?|\\[|\\{|\\(|\\^|\\^=|\\||\\|=|\\|\\||~';this.APOS_STRING_MODE={className:'string',begin:'\'',end:'\'',illegal:'\\n',contains:['escape'],relevance:0};this.QUOTE_STRING_MODE={className:'string',begin:'"',end:'"',illegal:'\\n',contains:['escape'],relevance:0};this.BACKSLASH_ESCAPE={className:'escape',begin:'\\\\.',end:'^',noMarkup:true,relevance:0};this.C_LINE_COMMENT_MODE={className:'comment',begin:'//',end:'$',relevance:0};this.C_BLOCK_COMMENT_MODE={className:'comment',begin:'/\\*',end:'\\*/'};this.HASH_COMMENT_MODE={className:'comment',begin:'#',end:'$'};this.C_NUMBER_MODE={className:'number',begin:this.C_NUMBER_RE,end:'^',relevance:0}}();var initHighlightingOnLoad=hljs.initHighlightingOnLoad; |