503 lines
11 KiB
JavaScript
503 lines
11 KiB
JavaScript
|
/* http://prismjs.com/download.html?themes=prism&languages=markup+css+clike+javascript */
|
|||
|
|
var self = (typeof window !== 'undefined') ? window : {};
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 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));
|
|||
|
|
} 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.slice();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
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
|
|||
|
|
insertBefore: function (inside, before, insert, root) {
|
|||
|
|
root = root || _.languages;
|
|||
|
|
var grammar = root[inside];
|
|||
|
|
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];
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return root[inside] = ret;
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// Traverse a language definition with Depth First Search
|
|||
|
|
DFS: function(o, callback) {
|
|||
|
|
for (var i in o) {
|
|||
|
|
callback.call(o, i, o[i]);
|
|||
|
|
|
|||
|
|
if (_.util.type(o) === 'Object') {
|
|||
|
|
_.languages.DFS(o[i], callback);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
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;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
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 pattern = grammar[token],
|
|||
|
|
inside = pattern.inside,
|
|||
|
|
lookbehind = !!pattern.lookbehind,
|
|||
|
|
lookbehindLength = 0;
|
|||
|
|
|
|||
|
|
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);
|
|||
|
|
|
|||
|
|
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) {
|
|||
|
|
this.type = type;
|
|||
|
|
this.content = content;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
Token.stringify = function(o, language, parent) {
|
|||
|
|
if (typeof o == 'string') {
|
|||
|
|
return o;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (Object.prototype.toString.call(o) == '[object 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';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
_.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(_.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;
|
|||
|
|
}
|
|||
|
|
;
|
|||
|
|
Prism.languages.markup = {
|
|||
|
|
'comment': /<!--[\w\W]*?-->/g,
|
|||
|
|
'prolog': /<\?.+?\?>/,
|
|||
|
|
'doctype': /<!DOCTYPE.+?>/,
|
|||
|
|
'cdata': /<!\[CDATA\[[\w\W]*?]]>/i,
|
|||
|
|
'tag': {
|
|||
|
|
pattern: /<\/?[\w:-]+\s*(?:\s+[\w:-]+(?:=(?:("|')(\\?[\w\W])*?\1|[^\s'">=]+))?\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
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// Plugin to make entity title show the real entity, idea by Roman Komarov
|
|||
|
|
Prism.hooks.add('wrap', function(env) {
|
|||
|
|
|
|||
|
|
if (env.type === 'entity') {
|
|||
|
|
env.attributes['title'] = env.content.replace(/&/, '&');
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
;
|
|||
|
|
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,
|
|||
|
|
'punctuation': /[\{\};:]/g,
|
|||
|
|
'function': /[-a-z0-9]+(?=\()/ig
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
if (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
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
};
|
|||
|
|
Prism.languages.clike = {
|
|||
|
|
'comment': {
|
|||
|
|
pattern: /(^|[^\\])(\/\*[\w\W]*?\*\/|(^|[^:])\/\/.*?(\r?\n|$))/g,
|
|||
|
|
lookbehind: true
|
|||
|
|
},
|
|||
|
|
'string': /("|')(\\?.)*?\1/g,
|
|||
|
|
'class-name': {
|
|||
|
|
pattern: /((?:(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/ig,
|
|||
|
|
lookbehind: true,
|
|||
|
|
inside: {
|
|||
|
|
punctuation: /(\.|\\)/
|
|||
|
|
}
|
|||
|
|
},
|
|||
|
|
'keyword': /\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|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
|
|||
|
|
};
|
|||
|
|
;
|
|||
|
|
Prism.languages.javascript = Prism.languages.extend('clike', {
|
|||
|
|
'keyword': /\b(break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|false|finally|for|function|get|if|implements|import|in|instanceof|interface|let|new|null|package|private|protected|public|return|set|static|super|switch|this|throw|true|try|typeof|var|void|while|with|yield)\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: true
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
if (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
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
;
|