com.vaadin.polymer.public.bower_components.prism.prism.js Maven / Gradle / Ivy
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/* **********************************************
Begin prism-core.js
********************************************** */
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, '&').replace(/ 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 (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 = Object.keys(env.attributes).map(function(name) {
return name + '="' + (env.attributes[name] || '').replace(/"/g, '"') + '"';
}).join(' ');
return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + (attributes ? ' ' + attributes : '') + '>' + env.content + '';
};
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;
}
/* **********************************************
Begin prism-markup.js
********************************************** */
Prism.languages.markup = {
'comment': //,
'prolog': /<\?[\s\S]+?\?>/,
'doctype': //i,
'cdata': //i,
'tag': {
pattern: /<\/?(?!\d)[^\s>\/=$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\s\S])*\1|[^\s'">=]+))?)*\s*\/?>/i,
inside: {
'tag': {
pattern: /^<\/?[^\s>\/]+/i,
inside: {
'punctuation': /^<\/?/,
'namespace': /^[^\s>\/:]+:/
}
},
'attr-value': {
pattern: /=(?:('|")[\s\S]*?(\1)|[^\s>]+)/i,
inside: {
'punctuation': /[=>"']/
}
},
'punctuation': /\/?>/,
'attr-name': {
pattern: /[^\s>\/]+/,
inside: {
'namespace': /^[^\s>\/:]+:/
}
}
}
},
'entity': /&#?[\da-z]{1,8};/i
};
Prism.languages.markup['tag'].inside['attr-value'].inside['entity'] =
Prism.languages.markup['entity'];
// 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.xml = Prism.languages.markup;
Prism.languages.html = Prism.languages.markup;
Prism.languages.mathml = Prism.languages.markup;
Prism.languages.svg = Prism.languages.markup;
/* **********************************************
Begin prism-css.js
********************************************** */
Prism.languages.css = {
'comment': /\/\*[\s\S]*?\*\//,
'atrule': {
pattern: /@[\w-]+?.*?(;|(?=\s*\{))/i,
inside: {
'rule': /@[\w-]+/
// See rest below
}
},
'url': /url\((?:(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,
'selector': /[^\{\}\s][^\{\};]*?(?=\s*\{)/,
'string': {
pattern: /("|')(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
greedy: true
},
'property': /(\b|\B)[\w-]+(?=\s*:)/i,
'important': /\B!important\b/i,
'function': /[-a-z0-9]+(?=\()/i,
'punctuation': /[(){};:]/
};
Prism.languages.css['atrule'].inside.rest = Prism.util.clone(Prism.languages.css);
if (Prism.languages.markup) {
Prism.languages.insertBefore('markup', 'tag', {
'style': {
pattern: /()[\s\S]*?(?=<\/style>)/i,
lookbehind: true,
inside: Prism.languages.css,
alias: 'language-css'
}
});
Prism.languages.insertBefore('inside', 'attr-value', {
'style-attr': {
pattern: /\s*style=("|').*?\1/i,
inside: {
'attr-name': {
pattern: /^\s*style/i,
inside: Prism.languages.markup.tag.inside
},
'punctuation': /^\s*=\s*['"]|['"]\s*$/,
'attr-value': {
pattern: /.+/i,
inside: Prism.languages.css
}
},
alias: 'language-css'
}
}, Prism.languages.markup.tag);
}
/* **********************************************
Begin prism-clike.js
********************************************** */
Prism.languages.clike = {
'comment': [
{
pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
lookbehind: true
},
{
pattern: /(^|[^\\:])\/\/.*/,
lookbehind: true
}
],
'string': {
pattern: /(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
greedy: true
},
'class-name': {
pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/i,
lookbehind: true,
inside: {
punctuation: /(\.|\\)/
}
},
'keyword': /\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
'boolean': /\b(true|false)\b/,
'function': /[a-z0-9_]+(?=\()/i,
'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)\b/i,
'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
'punctuation': /[{}[\];(),.:]/
};
/* **********************************************
Begin prism-javascript.js
********************************************** */
Prism.languages.javascript = Prism.languages.extend('clike', {
'keyword': /\b(as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/,
'number': /\b-?(0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+|\d*\.?\d+([Ee][+-]?\d+)?|NaN|Infinity)\b/,
// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
'function': /[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*(?=\()/i,
'operator': /-[-=]?|\+[+=]?|!=?=?|<>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/
});
Prism.languages.insertBefore('javascript', 'keyword', {
'regex': {
pattern: /(^|[^/])\/(?!\/)(\[[^\]\r\n]+]|\\.|[^/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})]))/,
lookbehind: true,
greedy: true
}
});
Prism.languages.insertBefore('javascript', 'string', {
'template-string': {
pattern: /`(?:\\\\|\\?[^\\])*?`/,
greedy: true,
inside: {
'interpolation': {
pattern: /\$\{[^}]+\}/,
inside: {
'interpolation-punctuation': {
pattern: /^\$\{|\}$/,
alias: 'punctuation'
},
rest: Prism.languages.javascript
}
},
'string': /[\s\S]+/
}
}
});
if (Prism.languages.markup) {
Prism.languages.insertBefore('markup', 'tag', {
'script': {
pattern: /()[\s\S]*?(?=<\/script>)/i,
lookbehind: true,
inside: Prism.languages.javascript,
alias: 'language-javascript'
}
});
}
Prism.languages.js = Prism.languages.javascript;
/* **********************************************
Begin prism-file-highlight.js
********************************************** */
(function () {
if (typeof self === 'undefined' || !self.Prism || !self.document || !document.querySelector) {
return;
}
self.Prism.fileHighlight = function() {
var Extensions = {
'js': 'javascript',
'py': 'python',
'rb': 'ruby',
'ps1': 'powershell',
'psm1': 'powershell',
'sh': 'bash',
'bat': 'batch',
'h': 'c',
'tex': 'latex'
};
Array.prototype.slice.call(document.querySelectorAll('pre[data-src]')).forEach(function (pre) {
var src = pre.getAttribute('data-src');
var language, parent = pre;
var lang = /\blang(?:uage)?-(?!\*)(\w+)\b/i;
while (parent && !lang.test(parent.className)) {
parent = parent.parentNode;
}
if (parent) {
language = (pre.className.match(lang) || [, ''])[1];
}
if (!language) {
var extension = (src.match(/\.(\w+)$/) || [, ''])[1];
language = Extensions[extension] || extension;
}
var code = document.createElement('code');
code.className = 'language-' + language;
pre.textContent = '';
code.textContent = 'Loading…';
pre.appendChild(code);
var xhr = new XMLHttpRequest();
xhr.open('GET', src, true);
xhr.onreadystatechange = function () {
if (xhr.readyState == 4) {
if (xhr.status < 400 && xhr.responseText) {
code.textContent = xhr.responseText;
Prism.highlightElement(code);
}
else if (xhr.status >= 400) {
code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
}
else {
code.textContent = '✖ Error: File does not exist or is empty';
}
}
};
xhr.send(null);
});
};
document.addEventListener('DOMContentLoaded', self.Prism.fileHighlight);
})();
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