10 lines
6.5 KiB
JavaScript
10 lines
6.5 KiB
JavaScript
/**
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* Prism: Lightweight, robust, elegant syntax highlighting
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* MIT license http://www.opensource.org/licenses/mit-license.php/
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* @author Lea Verou http://lea.verou.me
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*/(function(){var e=/\blang(?:uage)?-(?!\*)(\w+)\b/i,t=self.Prism={util:{type:function(e){return Object.prototype.toString.call(e).match(/\[object (\w+)\]/)[1]},clone:function(e){var n=t.util.type(e);switch(n){case"Object":var r={};for(var i in e)e.hasOwnProperty(i)&&(r[i]=t.util.clone(e[i]));return r;case"Array":return e.slice()}return e}},languages:{extend:function(e,n){var r=t.util.clone(t.languages[e]);for(var i in n)r[i]=n[i];return r},insertBefore:function(e,n,r,i){i=i||t.languages;var s=i[e],o={};for(var u in s)if(s.hasOwnProperty(u)){if(u==n)for(var a in r)r.hasOwnProperty(a)&&(o[a]=r[a]);o[u]=s[u]}return i[e]=o},DFS:function(e,n){for(var r in e){n.call(e,r,e[r]);t.util.type(e)==="Object"&&t.languages.DFS(e[r],n)}}},highlightAll:function(e,n){var r=document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code');for(var i=0,s;s=r[i++];)t.highlightElement(s,e===!0,n)},highlightElement:function(r,i,s){var o,u,a=r;while(a&&!e.test(a.className))a=a.parentNode;if(a){o=(a.className.match(e)||[,""])[1];u=t.languages[o]}if(!u)return;r.className=r.className.replace(e,"").replace(/\s+/g," ")+" language-"+o;a=r.parentNode;/pre/i.test(a.nodeName)&&(a.className=a.className.replace(e,"").replace(/\s+/g," ")+" language-"+o);var f=r.textContent;if(!f)return;f=f.replace(/&/g,"&").replace(/</g,"<").replace(/\u00a0/g," ");var l={element:r,language:o,grammar:u,code:f};t.hooks.run("before-highlight",l);if(i&&self.Worker){var c=new Worker(t.filename);c.onmessage=function(e){l.highlightedCode=n.stringify(JSON.parse(e.data),o);t.hooks.run("before-insert",l);l.element.innerHTML=l.highlightedCode;s&&s.call(l.element);t.hooks.run("after-highlight",l)};c.postMessage(JSON.stringify({language:l.language,code:l.code}))}else{l.highlightedCode=t.highlight(l.code,l.grammar,l.language);t.hooks.run("before-insert",l);l.element.innerHTML=l.highlightedCode;s&&s.call(r);t.hooks.run("after-highlight",l)}},highlight:function(e,r,i){return n.stringify(t.tokenize(e,r),i)},tokenize:function(e,n,r){var i=t.Token,s=[e],o=n.rest;if(o){for(var u in o)n[u]=o[u];delete n.rest}e:for(var u in n){if(!n.hasOwnProperty(u)||!n[u])continue;var a=n[u],f=a.inside,l=!!a.lookbehind,c=0;a=a.pattern||a;for(var h=0;h<s.length;h++){var p=s[h];if(s.length>e.length)break e;if(p instanceof i)continue;a.lastIndex=0;var d=a.exec(p);if(d){l&&(c=d[1].length);var v=d.index-1+c,d=d[0].slice(c),m=d.length,g=v+m,y=p.slice(0,v+1),b=p.slice(g+1),w=[h,1];y&&w.push(y);var E=new i(u,f?t.tokenize(d,f):d);w.push(E);b&&w.push(b);Array.prototype.splice.apply(s,w)}}}return s},hooks:{all:{},add:function(e,n){var r=t.hooks.all;r[e]=r[e]||[];r[e].push(n)},run:function(e,n){var r=t.hooks.all[e];if(!r||!r.length)return;for(var i=0,s;s=r[i++];)s(n)}}},n=t.Token=function(e,t){this.type=e;this.content=t};n.stringify=function(e,r,i){if(typeof e=="string")return e;if(Object.prototype.toString.call(e)=="[object Array]")return e.map(function(t){return n.stringify(t,r,e)}).join("");var s={type:e.type,content:n.stringify(e.content,r,i),tag:"span",classes:["token",e.type],attributes:{},language:r,parent:i};s.type=="comment"&&(s.attributes.spellcheck="true");t.hooks.run("wrap",s);var o="";for(var u in s.attributes)o+=u+'="'+(s.attributes[u]||"")+'"';return"<"+s.tag+' class="'+s.classes.join(" ")+'" '+o+">"+s.content+"</"+s.tag+">"};if(!self.document){self.addEventListener("message",function(e){var n=JSON.parse(e.data),r=n.language,i=n.code;self.postMessage(JSON.stringify(t.tokenize(i,t.languages[r])));self.close()},!1);return}var r=document.getElementsByTagName("script");r=r[r.length-1];if(r){t.filename=r.src;document.addEventListener&&!r.hasAttribute("data-manual")&&document.addEventListener("DOMContentLoaded",t.highlightAll)}})();;
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Prism.languages.markup={comment:/<!--[\w\W]*?-->/g,prolog:/<\?.+?\?>/,doctype:/<!DOCTYPE.+?>/,cdata:/<!\[CDATA\[[\w\W]*?]]>/i,tag:{pattern:/<\/?[\w:-]+\s*(?:\s+[\w:-]+(?:=(?:("|')(\\?[\w\W])*?\1|\w+))?\s*)*\/?>/gi,inside:{tag:{pattern:/^<\/?[\w:-]+/i,inside:{punctuation:/^<\/?/,namespace:/^[\w-]+?:/}},"attr-value":{pattern:/=(?:('|")[\w\W]*?(\1)|[^\s>]+)/gi,inside:{punctuation:/=|>|"/g}},punctuation:/\/?>/g,"attr-name":{pattern:/[\w:-]+/g,inside:{namespace:/^[\w-]+?:/}}}},entity:/&#?[\da-z]{1,8};/gi};Prism.hooks.add("wrap",function(e){e.type==="entity"&&(e.attributes.title=e.content.replace(/&/,"&"))});;
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Prism.languages.css={comment:/\/\*[\w\W]*?\*\//g,atrule:{pattern:/@[\w-]+?.*?(;|(?=\s*{))/gi,inside:{punctuation:/[;:]/g}},url:/url\((["']?).*?\1\)/gi,selector:/[^\{\}\s][^\{\};]*(?=\s*\{)/g,property:/(\b|\B)[\w-]+(?=\s*:)/ig,string:/("|')(\\?.)*?\1/g,important:/\B!important\b/gi,ignore:/&(lt|gt|amp);/gi,punctuation:/[\{\};:]/g};Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{style:{pattern:/(<|<)style[\w\W]*?(>|>)[\w\W]*?(<|<)\/style(>|>)/ig,inside:{tag:{pattern:/(<|<)style[\w\W]*?(>|>)|(<|<)\/style(>|>)/ig,inside:Prism.languages.markup.tag.inside},rest:Prism.languages.css}}});;
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Prism.languages.clike={comment:{pattern:/(^|[^\\])(\/\*[\w\W]*?\*\/|(^|[^:])\/\/.*?(\r?\n|$))/g,lookbehind:!0},string:/("|')(\\?.)*?\1/g,"class-name":{pattern:/((?:(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/ig,lookbehind:!0,inside:{punctuation:/(\.|\\)/}},keyword:/\b(if|else|while|do|for|return|in|instanceof|function|new|try|catch|finally|null|break|continue)\b/g,"boolean":/\b(true|false)\b/g,"function":{pattern:/[a-z0-9_]+\(/ig,inside:{punctuation:/\(/}}, number:/\b-?(0x[\dA-Fa-f]+|\d*\.?\d+([Ee]-?\d+)?)\b/g,operator:/[-+]{1,2}|!|<=?|>=?|={1,3}|(&){1,2}|\|?\||\?|\*|\/|\~|\^|\%/g,ignore:/&(lt|gt|amp);/gi,punctuation:/[{}[\];(),.:]/g};;
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Prism.languages.javascript=Prism.languages.extend("clike",{keyword:/\b(var|let|if|else|while|do|for|return|in|instanceof|function|new|with|typeof|try|catch|finally|null|break|continue)\b/g,number:/\b-?(0x[\dA-Fa-f]+|\d*\.?\d+([Ee]-?\d+)?|NaN|-?Infinity)\b/g});Prism.languages.insertBefore("javascript","keyword",{regex:{pattern:/(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\r\n])+\/[gim]{0,3}(?=\s*($|[\r\n,.;})]))/g,lookbehind:!0}});Prism.languages.markup&&Prism.languages.insertBefore("markup","tag",{script:{pattern:/(<|<)script[\w\W]*?(>|>)[\w\W]*?(<|<)\/script(>|>)/ig,inside:{tag:{pattern:/(<|<)script[\w\W]*?(>|>)|(<|<)\/script(>|>)/ig,inside:Prism.languages.markup.tag.inside},rest:Prism.languages.javascript}}});;
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