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author | Andreas Stöckel <astoecke@techfak.uni-bielefeld.de> | 2015-04-17 01:49:54 +0200 |
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committer | Andreas Stöckel <astoecke@techfak.uni-bielefeld.de> | 2015-04-17 01:49:54 +0200 |
commit | 5b2a1813069ed9dfa2f4c5af56495aa051e67833 (patch) | |
tree | cd1633e03bdaf8482f601f4a9ffe79883c17886e /script/prism.js | |
parent | 11f03af4d82b1c23abade136eda4fabe8d32200d (diff) |
Move external resources to "lib" folder, update makefile
Diffstat (limited to 'script/prism.js')
-rw-r--r-- | script/prism.js | 428 |
1 files changed, 0 insertions, 428 deletions
diff --git a/script/prism.js b/script/prism.js deleted file mode 100644 index fc62daa..0000000 --- a/script/prism.js +++ /dev/null @@ -1,428 +0,0 @@ -/* http://prismjs.com/download.html?themes=prism */ -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 _ = self.Prism = { - 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, '&').replace(/</g, '<').replace(/\u00a0/g, ' '); - } - }, - - type: function (o) { - return Object.prototype.toString.call(o).match(/\[object (\w+)\]/)[1]; - }, - - // 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) { - for (var i in o) { - if (o.hasOwnProperty(i)) { - callback.call(o, i, o[i], type || i); - - if (_.util.type(o[i]) === 'Object') { - _.languages.DFS(o[i], callback); - } - else if (_.util.type(o[i]) === 'Array') { - _.languages.DFS(o[i], callback, i); - } - } - } - } - }, - - highlightAll: function(async, callback) { - var elements = document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'); - - for (var i=0, element; element = elements[i++];) { - _.highlightElement(element, async === true, 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]; - grammar = _.languages[language]; - } - - if (!grammar) { - return; - } - - // 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; - - if(!code) { - return; - } - - code = code.replace(/^(?:\r?\n|\r)/,''); - - var env = { - element: element, - language: language, - grammar: grammar, - code: code - }; - - _.hooks.run('before-highlight', env); - - if (async && self.Worker) { - var worker = new Worker(_.filename); - - worker.onmessage = function(evt) { - env.highlightedCode = Token.stringify(JSON.parse(evt.data), language); - - _.hooks.run('before-insert', env); - - env.element.innerHTML = env.highlightedCode; - - callback && callback.call(env.element); - _.hooks.run('after-highlight', env); - }; - - worker.postMessage(JSON.stringify({ - language: env.language, - code: env.code - })); - } - 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); - } - }, - - highlight: function (text, grammar, language) { - var tokens = _.tokenize(text, grammar); - return Token.stringify(_.util.encode(tokens), language); - }, - - tokenize: function(text, grammar, language) { - var Token = _.Token; - - var strarr = [text]; - - var rest = grammar.rest; - - if (rest) { - for (var token in rest) { - grammar[token] = rest[token]; - } - - delete grammar.rest; - } - - tokenloop: for (var token in grammar) { - if(!grammar.hasOwnProperty(token) || !grammar[token]) { - continue; - } - - 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, - lookbehindLength = 0, - alias = pattern.alias; - - pattern = pattern.pattern || pattern; - - for (var i=0; i<strarr.length; i++) { // Don’t cache length as it changes during the loop - - var str = strarr[i]; - - if (strarr.length > text.length) { - // Something went terribly wrong, ABORT, ABORT! - break tokenloop; - } - - if (str instanceof Token) { - continue; - } - - pattern.lastIndex = 0; - - var match = pattern.exec(str); - - if (match) { - if(lookbehind) { - lookbehindLength = match[1].length; - } - - var from = match.index - 1 + lookbehindLength, - match = match[0].slice(lookbehindLength), - len = match.length, - to = from + len, - before = str.slice(0, from + 1), - after = str.slice(to + 1); - - var args = [i, 1]; - - if (before) { - args.push(before); - } - - var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias); - - args.push(wrapped); - - if (after) { - args.push(after); - } - - Array.prototype.splice.apply(strarr, args); - } - } - } - } - - 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) { - this.type = type; - this.content = content; - this.alias = alias; -}; - -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 (env.type == 'comment') { - env.attributes['spellcheck'] = 'true'; - } - - 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 = ''; - - for (var name in env.attributes) { - attributes += name + '="' + (env.attributes[name] || '') + '"'; - } - - return '<' + env.tag + ' class="' + env.classes.join(' ') + '" ' + 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; - - self.postMessage(JSON.stringify(_.util.encode(_.tokenize(code, _.languages[lang])))); - self.close(); - }, false); - - return self.Prism; -} - -// Get current script and highlight -var script = document.getElementsByTagName('script'); - -script = script[script.length - 1]; - -if (script) { - _.filename = script.src; - - if (document.addEventListener && !script.hasAttribute('data-manual')) { - document.addEventListener('DOMContentLoaded', _.highlightAll); - } -} - -return self.Prism; - -})(); - -if (typeof module !== 'undefined' && module.exports) { - module.exports = Prism; -} -; |