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+var _self = (typeof window !== 'undefined')
+ ? window // if in browser
+ : (
+ (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
+ ? self // if in worker
+ : {} // if in node js
+ );
+
+/**
+ * Prism: Lightweight, robust, elegant syntax highlighting
+ * MIT license http://www.opensource.org/licenses/mit-license.php/
+ * @author Lea Verou http://lea.verou.me
+ */
+
+var Prism = (function(){
+
+// Private helper vars
+var lang = /\blang(?:uage)?-(\w+)\b/i;
+var uniqueId = 0;
+
+var _ = _self.Prism = {
+ manual: _self.Prism && _self.Prism.manual,
+ util: {
+ encode: function (tokens) {
+ if (tokens instanceof Token) {
+ return new Token(tokens.type, _.util.encode(tokens.content), tokens.alias);
+ } else if (_.util.type(tokens) === 'Array') {
+ return tokens.map(_.util.encode);
+ } else {
+ return tokens.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/\u00a0/g, ' ');
+ }
+ },
+
+ type: function (o) {
+ return Object.prototype.toString.call(o).match(/\[object (\w+)\]/)[1];
+ },
+
+ objId: function (obj) {
+ if (!obj['__id']) {
+ Object.defineProperty(obj, '__id', { value: ++uniqueId });
+ }
+ return obj['__id'];
+ },
+
+ // Deep clone a language definition (e.g. to extend it)
+ clone: function (o) {
+ var type = _.util.type(o);
+
+ switch (type) {
+ case 'Object':
+ var clone = {};
+
+ for (var key in o) {
+ if (o.hasOwnProperty(key)) {
+ clone[key] = _.util.clone(o[key]);
+ }
+ }
+
+ return clone;
+
+ case 'Array':
+ return o.map(function(v) { return _.util.clone(v); });
+ }
+
+ return o;
+ }
+ },
+
+ languages: {
+ extend: function (id, redef) {
+ var lang = _.util.clone(_.languages[id]);
+
+ for (var key in redef) {
+ lang[key] = redef[key];
+ }
+
+ return lang;
+ },
+
+ /**
+ * Insert a token before another token in a language literal
+ * As this needs to recreate the object (we cannot actually insert before keys in object literals),
+ * we cannot just provide an object, we need anobject and a key.
+ * @param inside The key (or language id) of the parent
+ * @param before The key to insert before. If not provided, the function appends instead.
+ * @param insert Object with the key/value pairs to insert
+ * @param root The object that contains `inside`. If equal to Prism.languages, it can be omitted.
+ */
+ insertBefore: function (inside, before, insert, root) {
+ root = root || _.languages;
+ var grammar = root[inside];
+
+ if (arguments.length == 2) {
+ insert = arguments[1];
+
+ for (var newToken in insert) {
+ if (insert.hasOwnProperty(newToken)) {
+ grammar[newToken] = insert[newToken];
+ }
+ }
+
+ return grammar;
+ }
+
+ var ret = {};
+
+ for (var token in grammar) {
+
+ if (grammar.hasOwnProperty(token)) {
+
+ if (token == before) {
+
+ for (var newToken in insert) {
+
+ if (insert.hasOwnProperty(newToken)) {
+ ret[newToken] = insert[newToken];
+ }
+ }
+ }
+
+ ret[token] = grammar[token];
+ }
+ }
+
+ // Update references in other language definitions
+ _.languages.DFS(_.languages, function(key, value) {
+ if (value === root[inside] && key != inside) {
+ this[key] = ret;
+ }
+ });
+
+ return root[inside] = ret;
+ },
+
+ // Traverse a language definition with Depth First Search
+ DFS: function(o, callback, type, visited) {
+ visited = visited || {};
+ for (var i in o) {
+ if (o.hasOwnProperty(i)) {
+ callback.call(o, i, o[i], type || i);
+
+ if (_.util.type(o[i]) === 'Object' && !visited[_.util.objId(o[i])]) {
+ visited[_.util.objId(o[i])] = true;
+ _.languages.DFS(o[i], callback, null, visited);
+ }
+ else if (_.util.type(o[i]) === 'Array' && !visited[_.util.objId(o[i])]) {
+ visited[_.util.objId(o[i])] = true;
+ _.languages.DFS(o[i], callback, i, visited);
+ }
+ }
+ }
+ }
+ },
+ plugins: {},
+
+ highlightAll: function(async, callback) {
+ var env = {
+ callback: callback,
+ selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
+ };
+
+ _.hooks.run("before-highlightall", env);
+
+ var elements = env.elements || document.querySelectorAll(env.selector);
+
+ for (var i=0, element; element = elements[i++];) {
+ _.highlightElement(element, async === true, env.callback);
+ }
+ },
+
+ highlightElement: function(element, async, callback) {
+ // Find language
+ var language, grammar, parent = element;
+
+ while (parent && !lang.test(parent.className)) {
+ parent = parent.parentNode;
+ }
+
+ if (parent) {
+ language = (parent.className.match(lang) || [,''])[1].toLowerCase();
+ grammar = _.languages[language];
+ }
+
+ // Set language on the element, if not present
+ element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
+
+ // Set language on the parent, for styling
+ parent = element.parentNode;
+
+ if (/pre/i.test(parent.nodeName)) {
+ parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
+ }
+
+ var code = element.textContent;
+
+ var env = {
+ element: element,
+ language: language,
+ grammar: grammar,
+ code: code
+ };
+
+ _.hooks.run('before-sanity-check', env);
+
+ if (!env.code || !env.grammar) {
+ if (env.code) {
+ _.hooks.run('before-highlight', env);
+ env.element.textContent = env.code;
+ _.hooks.run('after-highlight', env);
+ }
+ _.hooks.run('complete', env);
+ return;
+ }
+
+ _.hooks.run('before-highlight', env);
+
+ if (async && _self.Worker) {
+ var worker = new Worker(_.filename);
+
+ worker.onmessage = function(evt) {
+ env.highlightedCode = evt.data;
+
+ _.hooks.run('before-insert', env);
+
+ env.element.innerHTML = env.highlightedCode;
+
+ callback && callback.call(env.element);
+ _.hooks.run('after-highlight', env);
+ _.hooks.run('complete', env);
+ };
+
+ worker.postMessage(JSON.stringify({
+ language: env.language,
+ code: env.code,
+ immediateClose: true
+ }));
+ }
+ else {
+ env.highlightedCode = _.highlight(env.code, env.grammar, env.language);
+
+ _.hooks.run('before-insert', env);
+
+ env.element.innerHTML = env.highlightedCode;
+
+ callback && callback.call(element);
+
+ _.hooks.run('after-highlight', env);
+ _.hooks.run('complete', env);
+ }
+ },
+
+ highlight: function (text, grammar, language) {
+ var tokens = _.tokenize(text, grammar);
+ return Token.stringify(_.util.encode(tokens), language);
+ },
+
+ matchGrammar: function (text, strarr, grammar, index, startPos, oneshot, target) {
+ var Token = _.Token;
+
+ for (var token in grammar) {
+ if(!grammar.hasOwnProperty(token) || !grammar[token]) {
+ continue;
+ }
+
+ if (token == target) {
+ return;
+ }
+
+ var patterns = grammar[token];
+ patterns = (_.util.type(patterns) === "Array") ? patterns : [patterns];
+
+ for (var j = 0; j < patterns.length; ++j) {
+ var pattern = patterns[j],
+ inside = pattern.inside,
+ lookbehind = !!pattern.lookbehind,
+ greedy = !!pattern.greedy,
+ lookbehindLength = 0,
+ alias = pattern.alias;
+
+ if (greedy && !pattern.pattern.global) {
+ // Without the global flag, lastIndex won't work
+ var flags = pattern.pattern.toString().match(/[imuy]*$/)[0];
+ pattern.pattern = RegExp(pattern.pattern.source, flags + "g");
+ }
+
+ pattern = pattern.pattern || pattern;
+
+ // Don’t cache length as it changes during the loop
+ for (var i = index, pos = startPos; i < strarr.length; pos += strarr[i].length, ++i) {
+
+ var str = strarr[i];
+
+ if (strarr.length > text.length) {
+ // Something went terribly wrong, ABORT, ABORT!
+ return;
+ }
+
+ if (str instanceof Token) {
+ continue;
+ }
+
+ pattern.lastIndex = 0;
+
+ var match = pattern.exec(str),
+ delNum = 1;
+
+ // Greedy patterns can override/remove up to two previously matched tokens
+ if (!match && greedy && i != strarr.length - 1) {
+ pattern.lastIndex = pos;
+ match = pattern.exec(text);
+ if (!match) {
+ break;
+ }
+
+ var from = match.index + (lookbehind ? match[1].length : 0),
+ to = match.index + match[0].length,
+ k = i,
+ p = pos;
+
+ for (var len = strarr.length; k < len && (p < to || (!strarr[k].type && !strarr[k - 1].greedy)); ++k) {
+ p += strarr[k].length;
+ // Move the index i to the element in strarr that is closest to from
+ if (from >= p) {
+ ++i;
+ pos = p;
+ }
+ }
+
+ /*
+ * If strarr[i] is a Token, then the match starts inside another Token, which is invalid
+ * If strarr[k - 1] is greedy we are in conflict with another greedy pattern
+ */
+ if (strarr[i] instanceof Token || strarr[k - 1].greedy) {
+ continue;
+ }
+
+ // Number of tokens to delete and replace with the new match
+ delNum = k - i;
+ str = text.slice(pos, p);
+ match.index -= pos;
+ }
+
+ if (!match) {
+ if (oneshot) {
+ break;
+ }
+
+ continue;
+ }
+
+ if(lookbehind) {
+ lookbehindLength = match[1].length;
+ }
+
+ var from = match.index + lookbehindLength,
+ match = match[0].slice(lookbehindLength),
+ to = from + match.length,
+ before = str.slice(0, from),
+ after = str.slice(to);
+
+ var args = [i, delNum];
+
+ if (before) {
+ ++i;
+ pos += before.length;
+ args.push(before);
+ }
+
+ var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);
+
+ args.push(wrapped);
+
+ if (after) {
+ args.push(after);
+ }
+
+ Array.prototype.splice.apply(strarr, args);
+
+ if (delNum != 1)
+ _.matchGrammar(text, strarr, grammar, i, pos, true, token);
+
+ if (oneshot)
+ break;
+ }
+ }
+ }
+ },
+
+ tokenize: function(text, grammar, language) {
+ var strarr = [text];
+
+ var rest = grammar.rest;
+
+ if (rest) {
+ for (var token in rest) {
+ grammar[token] = rest[token];
+ }
+
+ delete grammar.rest;
+ }
+
+ _.matchGrammar(text, strarr, grammar, 0, 0, false);
+
+ return strarr;
+ },
+
+ hooks: {
+ all: {},
+
+ add: function (name, callback) {
+ var hooks = _.hooks.all;
+
+ hooks[name] = hooks[name] || [];
+
+ hooks[name].push(callback);
+ },
+
+ run: function (name, env) {
+ var callbacks = _.hooks.all[name];
+
+ if (!callbacks || !callbacks.length) {
+ return;
+ }
+
+ for (var i=0, callback; callback = callbacks[i++];) {
+ callback(env);
+ }
+ }
+ }
+};
+
+var Token = _.Token = function(type, content, alias, matchedStr, greedy) {
+ this.type = type;
+ this.content = content;
+ this.alias = alias;
+ // Copy of the full string this token was created from
+ this.length = (matchedStr || "").length|0;
+ this.greedy = !!greedy;
+};
+
+Token.stringify = function(o, language, parent) {
+ if (typeof o == 'string') {
+ return o;
+ }
+
+ if (_.util.type(o) === 'Array') {
+ return o.map(function(element) {
+ return Token.stringify(element, language, o);
+ }).join('');
+ }
+
+ var env = {
+ type: o.type,
+ content: Token.stringify(o.content, language, parent),
+ tag: 'span',
+ classes: ['token', o.type],
+ attributes: {},
+ language: language,
+ parent: parent
+ };
+
+ if (o.alias) {
+ var aliases = _.util.type(o.alias) === 'Array' ? o.alias : [o.alias];
+ Array.prototype.push.apply(env.classes, aliases);
+ }
+
+ _.hooks.run('wrap', env);
+
+ var attributes = Object.keys(env.attributes).map(function(name) {
+ return name + '="' + (env.attributes[name] || '').replace(/"/g, '&quot;') + '"';
+ }).join(' ');
+
+ return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + (attributes ? ' ' + attributes : '') + '>' + env.content + '</' + env.tag + '>';
+
+};
+
+if (!_self.document) {
+ if (!_self.addEventListener) {
+ // in Node.js
+ return _self.Prism;
+ }
+ // In worker
+ _self.addEventListener('message', function(evt) {
+ var message = JSON.parse(evt.data),
+ lang = message.language,
+ code = message.code,
+ immediateClose = message.immediateClose;
+
+ _self.postMessage(_.highlight(code, _.languages[lang], lang));
+ if (immediateClose) {
+ _self.close();
+ }
+ }, false);
+
+ return _self.Prism;
+}
+
+//Get current script and highlight
+var script = document.currentScript || [].slice.call(document.getElementsByTagName("script")).pop();
+
+if (script) {
+ _.filename = script.src;
+
+ if (!_.manual && !script.hasAttribute('data-manual')) {
+ if(document.readyState !== "loading") {
+ if (window.requestAnimationFrame) {
+ window.requestAnimationFrame(_.highlightAll);
+ } else {
+ window.setTimeout(_.highlightAll, 16);
+ }
+ }
+ else {
+ document.addEventListener('DOMContentLoaded', _.highlightAll);
+ }
+ }
+}
+
+return _self.Prism;
+
+})();
+
+if (typeof module !== 'undefined' && module.exports) {
+ module.exports = Prism;
+}
+
+// hack for components to work correctly in node.js
+if (typeof global !== 'undefined') {
+ global.Prism = Prism;
+}
generated by cgit v0.9.1 at 2024-05-19 12:07:34 (EDT)