file-online-preview/server/libreoffice/help/prism.js

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/* PrismJS 1.20.0
https://prismjs.com/download.html#themes=prism-coy&languages=markup+css+clike+javascript+python+visual-basic&plugins=line-numbers+normalize-whitespace */
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 (_self){
// Private helper vars
var lang = /\blang(?:uage)?-([\w-]+)\b/i;
var uniqueId = 0;
var _ = {
manual: _self.Prism && _self.Prism.manual,
disableWorkerMessageHandler: _self.Prism && _self.Prism.disableWorkerMessageHandler,
util: {
encode: function encode(tokens) {
if (tokens instanceof Token) {
return new Token(tokens.type, encode(tokens.content), tokens.alias);
} else if (Array.isArray(tokens)) {
return tokens.map(encode);
} else {
return tokens.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/\u00a0/g, ' ');
}
},
type: function (o) {
return Object.prototype.toString.call(o).slice(8, -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 deepClone(o, visited) {
var clone, id, type = _.util.type(o);
visited = visited || {};
switch (type) {
case 'Object':
id = _.util.objId(o);
if (visited[id]) {
return visited[id];
}
clone = {};
visited[id] = clone;
for (var key in o) {
if (o.hasOwnProperty(key)) {
clone[key] = deepClone(o[key], visited);
}
}
return clone;
case 'Array':
id = _.util.objId(o);
if (visited[id]) {
return visited[id];
}
clone = [];
visited[id] = clone;
o.forEach(function (v, i) {
clone[i] = deepClone(v, visited);
});
return clone;
default:
return o;
}
},
/**
* Returns the Prism language of the given element set by a `language-xxxx` or `lang-xxxx` class.
*
* If no language is set for the element or the element is `null` or `undefined`, `none` will be returned.
*
* @param {Element} element
* @returns {string}
*/
getLanguage: function (element) {
while (element && !lang.test(element.className)) {
element = element.parentElement;
}
if (element) {
return (element.className.match(lang) || [, 'none'])[1].toLowerCase();
}
return 'none';
},
/**
* Returns the script element that is currently executing.
*
* This does __not__ work for line script element.
*
* @returns {HTMLScriptElement | null}
*/
currentScript: function () {
if (typeof document === 'undefined') {
return null;
}
if ('currentScript' in document) {
return document.currentScript;
}
// IE11 workaround
// we'll get the src of the current script by parsing IE11's error stack trace
// this will not work for inline scripts
try {
throw new Error();
} catch (err) {
// Get file src url from stack. Specifically works with the format of stack traces in IE.
// A stack will look like this:
//
// Error
// at _.util.currentScript (http://localhost/components/prism-core.js:119:5)
// at Global code (http://localhost/components/prism-core.js:606:1)
var src = (/at [^(\r\n]*\((.*):.+:.+\)$/i.exec(err.stack) || [])[1];
if (src) {
var scripts = document.getElementsByTagName('script');
for (var i in scripts) {
if (scripts[i].src == src) {
return scripts[i];
}
}
}
return null;
}
}
},
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 an object and a key.
* @param inside The key (or language id) of the parent
* @param before The key to insert before.
* @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];
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];
}
}
}
// Do not insert token which also occur in insert. See #1525
if (!insert.hasOwnProperty(token)) {
ret[token] = grammar[token];
}
}
}
var old = root[inside];
root[inside] = ret;
// Update references in other language definitions
_.languages.DFS(_.languages, function(key, value) {
if (value === old && key != inside) {
this[key] = ret;
}
});
return ret;
},
// Traverse a language definition with Depth First Search
DFS: function DFS(o, callback, type, visited) {
visited = visited || {};
var objId = _.util.objId;
for (var i in o) {
if (o.hasOwnProperty(i)) {
callback.call(o, i, o[i], type || i);
var property = o[i],
propertyType = _.util.type(property);
if (propertyType === 'Object' && !visited[objId(property)]) {
visited[objId(property)] = true;
DFS(property, callback, null, visited);
}
else if (propertyType === 'Array' && !visited[objId(property)]) {
visited[objId(property)] = true;
DFS(property, callback, i, visited);
}
}
}
}
},
plugins: {},
highlightAll: function(async, callback) {
_.highlightAllUnder(document, async, callback);
},
highlightAllUnder: function(container, async, callback) {
var env = {
callback: callback,
container: container,
selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
};
_.hooks.run('before-highlightall', env);
env.elements = Array.prototype.slice.apply(env.container.querySelectorAll(env.selector));
_.hooks.run('before-all-elements-highlight', env);
for (var i = 0, element; element = env.elements[i++];) {
_.highlightElement(element, async === true, env.callback);
}
},
highlightElement: function(element, async, callback) {
// Find language
var language = _.util.getLanguage(element);
var 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
var parent = element.parentNode;
if (parent && parent.nodeName.toLowerCase() === 'pre') {
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
};
function insertHighlightedCode(highlightedCode) {
env.highlightedCode = highlightedCode;
_.hooks.run('before-insert', env);
env.element.innerHTML = env.highlightedCode;
_.hooks.run('after-highlight', env);
_.hooks.run('complete', env);
callback && callback.call(env.element);
}
_.hooks.run('before-sanity-check', env);
if (!env.code) {
_.hooks.run('complete', env);
callback && callback.call(env.element);
return;
}
_.hooks.run('before-highlight', env);
if (!env.grammar) {
insertHighlightedCode(_.util.encode(env.code));
return;
}
if (async && _self.Worker) {
var worker = new Worker(_.filename);
worker.onmessage = function(evt) {
insertHighlightedCode(evt.data);
};
worker.postMessage(JSON.stringify({
language: env.language,
code: env.code,
immediateClose: true
}));
}
else {
insertHighlightedCode(_.highlight(env.code, env.grammar, env.language));
}
},
highlight: function (text, grammar, language) {
var env = {
code: text,
grammar: grammar,
language: language
};
_.hooks.run('before-tokenize', env);
env.tokens = _.tokenize(env.code, env.grammar);
_.hooks.run('after-tokenize', env);
return Token.stringify(_.util.encode(env.tokens), env.language);
},
tokenize: function(text, grammar) {
var rest = grammar.rest;
if (rest) {
for (var token in rest) {
grammar[token] = rest[token];
}
delete grammar.rest;
}
var tokenList = new LinkedList();
addAfter(tokenList, tokenList.head, text);
matchGrammar(text, tokenList, grammar, tokenList.head, 0);
return toArray(tokenList);
},
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);
}
}
},
Token: Token
};
_self.Prism = _;
function Token(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 stringify(o, language) {
if (typeof o == 'string') {
return o;
}
if (Array.isArray(o)) {
var s = '';
o.forEach(function (e) {
s += stringify(e, language);
});
return s;
}
var env = {
type: o.type,
content: stringify(o.content, language),
tag: 'span',
classes: ['token', o.type],
attributes: {},
language: language
};
var aliases = o.alias;
if (aliases) {
if (Array.isArray(aliases)) {
Array.prototype.push.apply(env.classes, aliases);
} else {
env.classes.push(aliases);
}
}
_.hooks.run('wrap', env);
var attributes = '';
for (var name in env.attributes) {
attributes += ' ' + name + '="' + (env.attributes[name] || '').replace(/"/g, '&quot;') + '"';
}
return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + attributes + '>' + env.content + '</' + env.tag + '>';
};
/**
* @param {string} text
* @param {LinkedList<string | Token>} tokenList
* @param {any} grammar
* @param {LinkedListNode<string | Token>} startNode
* @param {number} startPos
* @param {boolean} [oneshot=false]
* @param {string} [target]
*/
function matchGrammar(text, tokenList, grammar, startNode, startPos, oneshot, target) {
for (var token in grammar) {
if (!grammar.hasOwnProperty(token) || !grammar[token]) {
continue;
}
var patterns = grammar[token];
patterns = Array.isArray(patterns) ? patterns : [patterns];
for (var j = 0; j < patterns.length; ++j) {
if (target && target == token + ',' + j) {
return;
}
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(/[imsuy]*$/)[0];
pattern.pattern = RegExp(pattern.pattern.source, flags + 'g');
}
pattern = pattern.pattern || pattern;
for ( // iterate the token list and keep track of the current token/string position
var currentNode = startNode.next, pos = startPos;
currentNode !== tokenList.tail;
pos += currentNode.value.length, currentNode = currentNode.next
) {
var str = currentNode.value;
if (tokenList.length > text.length) {
// Something went terribly wrong, ABORT, ABORT!
return;
}
if (str instanceof Token) {
continue;
}
var removeCount = 1; // this is the to parameter of removeBetween
if (greedy && currentNode != tokenList.tail.prev) {
pattern.lastIndex = pos;
var match = pattern.exec(text);
if (!match) {
break;
}
var from = match.index + (lookbehind && match[1] ? match[1].length : 0);
var to = match.index + match[0].length;
var p = pos;
// find the node that contains the match
p += currentNode.value.length;
while (from >= p) {
currentNode = currentNode.next;
p += currentNode.value.length;
}
// adjust pos (and p)
p -= currentNode.value.length;
pos = p;
// the current node is a Token, then the match starts inside another Token, which is invalid
if (currentNode.value instanceof Token) {
continue;
}
// find the last node which is affected by this match
for (
var k = currentNode;
k !== tokenList.tail && (p < to || (typeof k.value === 'string' && !k.prev.value.greedy));
k = k.next
) {
removeCount++;
p += k.value.length;
}
removeCount--;
// replace with the new match
str = text.slice(pos, p);
match.index -= pos;
} else {
pattern.lastIndex = 0;
var match = pattern.exec(str);
}
if (!match) {
if (oneshot) {
break;
}
continue;
}
if (lookbehind) {
lookbehindLength = match[1] ? match[1].length : 0;
}
var from = match.index + lookbehindLength,
match = match[0].slice(lookbehindLength),
to = from + match.length,
before = str.slice(0, from),
after = str.slice(to);
var removeFrom = currentNode.prev;
if (before) {
removeFrom = addAfter(tokenList, removeFrom, before);
pos += before.length;
}
removeRange(tokenList, removeFrom, removeCount);
var wrapped = new Token(token, inside ? _.tokenize(match, inside) : match, alias, match, greedy);
currentNode = addAfter(tokenList, removeFrom, wrapped);
if (after) {
addAfter(tokenList, currentNode, after);
}
if (removeCount > 1)
matchGrammar(text, tokenList, grammar, currentNode.prev, pos, true, token + ',' + j);
if (oneshot)
break;
}
}
}
}
/**
* @typedef LinkedListNode
* @property {T} value
* @property {LinkedListNode<T> | null} prev The previous node.
* @property {LinkedListNode<T> | null} next The next node.
* @template T
*/
/**
* @template T
*/
function LinkedList() {
/** @type {LinkedListNode<T>} */
var head = { value: null, prev: null, next: null };
/** @type {LinkedListNode<T>} */
var tail = { value: null, prev: head, next: null };
head.next = tail;
/** @type {LinkedListNode<T>} */
this.head = head;
/** @type {LinkedListNode<T>} */
this.tail = tail;
this.length = 0;
}
/**
* Adds a new node with the given value to the list.
* @param {LinkedList<T>} list
* @param {LinkedListNode<T>} node
* @param {T} value
* @returns {LinkedListNode<T>} The added node.
* @template T
*/
function addAfter(list, node, value) {
// assumes that node != list.tail && values.length >= 0
var next = node.next;
var newNode = { value: value, prev: node, next: next };
node.next = newNode;
next.prev = newNode;
list.length++;
return newNode;
}
/**
* Removes `count` nodes after the given node. The given node will not be removed.
* @param {LinkedList<T>} list
* @param {LinkedListNode<T>} node
* @param {number} count
* @template T
*/
function removeRange(list, node, count) {
var next = node.next;
for (var i = 0; i < count && next !== list.tail; i++) {
next = next.next;
}
node.next = next;
next.prev = node;
list.length -= i;
}
/**
* @param {LinkedList<T>} list
* @returns {T[]}
* @template T
*/
function toArray(list) {
var array = [];
var node = list.head.next;
while (node !== list.tail) {
array.push(node.value);
node = node.next;
}
return array;
}
if (!_self.document) {
if (!_self.addEventListener) {
// in Node.js
return _;
}
if (!_.disableWorkerMessageHandler) {
// 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 _;
}
//Get current script and highlight
var script = _.util.currentScript();
if (script) {
_.filename = script.src;
if (script.hasAttribute('data-manual')) {
_.manual = true;
}
}
function highlightAutomaticallyCallback() {
if (!_.manual) {
_.highlightAll();
}
}
if (!_.manual) {
// If the document state is "loading", then we'll use DOMContentLoaded.
// If the document state is "interactive" and the prism.js script is deferred, then we'll also use the
// DOMContentLoaded event because there might be some plugins or languages which have also been deferred and they
// might take longer one animation frame to execute which can create a race condition where only some plugins have
// been loaded when Prism.highlightAll() is executed, depending on how fast resources are loaded.
// See https://github.com/PrismJS/prism/issues/2102
var readyState = document.readyState;
if (readyState === 'loading' || readyState === 'interactive' && script && script.defer) {
document.addEventListener('DOMContentLoaded', highlightAutomaticallyCallback);
} else {
if (window.requestAnimationFrame) {
window.requestAnimationFrame(highlightAutomaticallyCallback);
} else {
window.setTimeout(highlightAutomaticallyCallback, 16);
}
}
}
return _;
})(_self);
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;
}
;
Prism.languages.markup = {
'comment': /<!--[\s\S]*?-->/,
'prolog': /<\?[\s\S]+?\?>/,
'doctype': {
// https://www.w3.org/TR/xml/#NT-doctypedecl
pattern: /<!DOCTYPE(?:[^>"'[\]]|"[^"]*"|'[^']*')+(?:\[(?:[^<"'\]]|"[^"]*"|'[^']*'|<(?!!--)|<!--(?:[^-]|-(?!->))*-->)*\]\s*)?>/i,
greedy: true,
inside: {
'internal-subset': {
pattern: /(\[)[\s\S]+(?=\]>$)/,
lookbehind: true,
greedy: true,
inside: null // see below
},
'string': {
pattern: /"[^"]*"|'[^']*'/,
greedy: true
},
'punctuation': /^<!|>$|[[\]]/,
'doctype-tag': /^DOCTYPE/,
'name': /[^\s<>'"]+/
}
},
'cdata': /<!\[CDATA\[[\s\S]*?]]>/i,
'tag': {
pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s(?:\s*[^\s>\/=]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+(?=[\s>]))|(?=[\s/>])))+)?\s*\/?>/,
greedy: true,
inside: {
'tag': {
pattern: /^<\/?[^\s>\/]+/,
inside: {
'punctuation': /^<\/?/,
'namespace': /^[^\s>\/:]+:/
}
},
'attr-value': {
pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/,
inside: {
'punctuation': [
{
pattern: /^=/,
alias: 'attr-equals'
},
/"|'/
]
}
},
'punctuation': /\/?>/,
'attr-name': {
pattern: /[^\s>\/]+/,
inside: {
'namespace': /^[^\s>\/:]+:/
}
}
}
},
'entity': [
{
pattern: /&[\da-z]{1,8};/i,
alias: 'named-entity'
},
/&#x?[\da-f]{1,8};/i
]
};
Prism.languages.markup['tag'].inside['attr-value'].inside['entity'] =
Prism.languages.markup['entity'];
Prism.languages.markup['doctype'].inside['internal-subset'].inside = Prism.languages.markup;
// 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(/&amp;/, '&');
}
});
Object.defineProperty(Prism.languages.markup.tag, 'addInlined', {
/**
* Adds an inlined language to markup.
*
* An example of an inlined language is CSS with `<style>` tags.
*
* @param {string} tagName The name of the tag that contains the inlined language. This name will be treated as
* case insensitive.
* @param {string} lang The language key.
* @example
* addInlined('style', 'css');
*/
value: function addInlined(tagName, lang) {
var includedCdataInside = {};
includedCdataInside['language-' + lang] = {
pattern: /(^<!\[CDATA\[)[\s\S]+?(?=\]\]>$)/i,
lookbehind: true,
inside: Prism.languages[lang]
};
includedCdataInside['cdata'] = /^<!\[CDATA\[|\]\]>$/i;
var inside = {
'included-cdata': {
pattern: /<!\[CDATA\[[\s\S]*?\]\]>/i,
inside: includedCdataInside
}
};
inside['language-' + lang] = {
pattern: /[\s\S]+/,
inside: Prism.languages[lang]
};
var def = {};
def[tagName] = {
pattern: RegExp(/(<__[\s\S]*?>)(?:<!\[CDATA\[(?:[^\]]|\](?!\]>))*\]\]>|(?!<!\[CDATA\[)[\s\S])*?(?=<\/__>)/.source.replace(/__/g, function () { return tagName; }), 'i'),
lookbehind: true,
greedy: true,
inside: inside
};
Prism.languages.insertBefore('markup', 'cdata', def);
}
});
Prism.languages.html = Prism.languages.markup;
Prism.languages.mathml = Prism.languages.markup;
Prism.languages.svg = Prism.languages.markup;
Prism.languages.xml = Prism.languages.extend('markup', {});
Prism.languages.ssml = Prism.languages.xml;
Prism.languages.atom = Prism.languages.xml;
Prism.languages.rss = Prism.languages.xml;
(function (Prism) {
var string = /("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/;
Prism.languages.css = {
'comment': /\/\*[\s\S]*?\*\//,
'atrule': {
pattern: /@[\w-]+[\s\S]*?(?:;|(?=\s*\{))/,
inside: {
'rule': /^@[\w-]+/,
'selector-function-argument': {
pattern: /(\bselector\s*\((?!\s*\))\s*)(?:[^()]|\((?:[^()]|\([^()]*\))*\))+?(?=\s*\))/,
lookbehind: true,
alias: 'selector'
}
// See rest below
}
},
'url': {
pattern: RegExp('url\\((?:' + string.source + '|[^\n\r()]*)\\)', 'i'),
greedy: true,
inside: {
'function': /^url/i,
'punctuation': /^\(|\)$/
}
},
'selector': RegExp('[^{}\\s](?:[^{};"\']|' + string.source + ')*?(?=\\s*\\{)'),
'string': {
pattern: string,
greedy: true
},
'property': /[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,
'important': /!important\b/i,
'function': /[-a-z0-9]+(?=\()/i,
'punctuation': /[(){};:,]/
};
Prism.languages.css['atrule'].inside.rest = Prism.languages.css;
var markup = Prism.languages.markup;
if (markup) {
markup.tag.addInlined('style', 'css');
Prism.languages.insertBefore('inside', 'attr-value', {
'style-attr': {
pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
inside: {
'attr-name': {
pattern: /^\s*style/i,
inside: markup.tag.inside
},
'punctuation': /^\s*=\s*['"]|['"]\s*$/,
'attr-value': {
pattern: /.+/i,
inside: Prism.languages.css
}
},
alias: 'language-css'
}
}, markup.tag);
}
}(Prism));
Prism.languages.clike = {
'comment': [
{
pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/,
lookbehind: true
},
{
pattern: /(^|[^\\:])\/\/.*/,
lookbehind: true,
greedy: 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+|\bcatch\s+\()[\w.\\]+/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': /\w+(?=\()/,
'number': /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
'operator': /[<>]=?|[!=]=?=?|--?|\+\+?|&&?|\|\|?|[?*/~^%]/,
'punctuation': /[{}[\];(),.:]/
};
Prism.languages.javascript = Prism.languages.extend('clike', {
'class-name': [
Prism.languages.clike['class-name'],
{
pattern: /(^|[^$\w\xA0-\uFFFF])[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/,
lookbehind: true
}
],
'keyword': [
{
pattern: /((?:^|})\s*)(?:catch|finally)\b/,
lookbehind: true
},
{
pattern: /(^|[^.]|\.\.\.\s*)\b(?:as|async(?=\s*(?:function\b|\(|[$\w\xA0-\uFFFF]|$))|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|for|from|function|(?:get|set)(?=\s*[\[$\w\xA0-\uFFFF])|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)\b/,
lookbehind: true
},
],
'number': /\b(?:(?:0[xX](?:[\dA-Fa-f](?:_[\dA-Fa-f])?)+|0[bB](?:[01](?:_[01])?)+|0[oO](?:[0-7](?:_[0-7])?)+)n?|(?:\d(?:_\d)?)+n|NaN|Infinity)\b|(?:\b(?:\d(?:_\d)?)+\.?(?:\d(?:_\d)?)*|\B\.(?:\d(?:_\d)?)+)(?:[Ee][+-]?(?:\d(?:_\d)?)+)?/,
// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
'function': /#?[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*(?:\.\s*(?:apply|bind|call)\s*)?\()/,
'operator': /--|\+\+|\*\*=?|=>|&&=?|\|\|=?|[!=]==|<<=?|>>>?=?|[-+*/%&|^!=<>]=?|\.{3}|\?\?=?|\?\.?|[~:]/
});
Prism.languages.javascript['class-name'][0].pattern = /(\b(?:class|interface|extends|implements|instanceof|new)\s+)[\w.\\]+/;
Prism.languages.insertBefore('javascript', 'keyword', {
'regex': {
pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s])\s*)\/(?:\[(?:[^\]\\\r\n]|\\.)*]|\\.|[^/\\\[\r\n])+\/[gimyus]{0,6}(?=(?:\s|\/\*(?:[^*]|\*(?!\/))*\*\/)*(?:$|[\r\n,.;:})\]]|\/\/))/,
lookbehind: true,
greedy: true
},
// This must be declared before keyword because we use "function" inside the look-forward
'function-variable': {
pattern: /#?[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*[=:]\s*(?:async\s*)?(?:\bfunction\b|(?:\((?:[^()]|\([^()]*\))*\)|[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/,
alias: 'function'
},
'parameter': [
{
pattern: /(function(?:\s+[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)?\s*\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\))/,
lookbehind: true,
inside: Prism.languages.javascript
},
{
pattern: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=>)/i,
inside: Prism.languages.javascript
},
{
pattern: /(\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*=>)/,
lookbehind: true,
inside: Prism.languages.javascript
},
{
pattern: /((?:\b|\s|^)(?!(?: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|undefined|var|void|while|with|yield)(?![$\w\xA0-\uFFFF]))(?:[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*\s*)\(\s*|\]\s*\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*\{)/,
lookbehind: true,
inside: Prism.languages.javascript
}
],
'constant': /\b[A-Z](?:[A-Z_]|\dx?)*\b/
});
Prism.languages.insertBefore('javascript', 'string', {
'template-string': {
pattern: /`(?:\\[\s\S]|\${(?:[^{}]|{(?:[^{}]|{[^}]*})*})+}|(?!\${)[^\\`])*`/,
greedy: true,
inside: {
'template-punctuation': {
pattern: /^`|`$/,
alias: 'string'
},
'interpolation': {
pattern: /((?:^|[^\\])(?:\\{2})*)\${(?:[^{}]|{(?:[^{}]|{[^}]*})*})+}/,
lookbehind: true,
inside: {
'interpolation-punctuation': {
pattern: /^\${|}$/,
alias: 'punctuation'
},
rest: Prism.languages.javascript
}
},
'string': /[\s\S]+/
}
}
});
if (Prism.languages.markup) {
Prism.languages.markup.tag.addInlined('script', 'javascript');
}
Prism.languages.js = Prism.languages.javascript;
Prism.languages.python = {
'comment': {
pattern: /(^|[^\\])#.*/,
lookbehind: true
},
'string-interpolation': {
pattern: /(?:f|rf|fr)(?:("""|''')[\s\S]*?\1|("|')(?:\\.|(?!\2)[^\\\r\n])*\2)/i,
greedy: true,
inside: {
'interpolation': {
// "{" <expression> <optional "!s", "!r", or "!a"> <optional ":" format specifier> "}"
pattern: /((?:^|[^{])(?:{{)*){(?!{)(?:[^{}]|{(?!{)(?:[^{}]|{(?!{)(?:[^{}])+})+})+}/,
lookbehind: true,
inside: {
'format-spec': {
pattern: /(:)[^:(){}]+(?=}$)/,
lookbehind: true
},
'conversion-option': {
pattern: /![sra](?=[:}]$)/,
alias: 'punctuation'
},
rest: null
}
},
'string': /[\s\S]+/
}
},
'triple-quoted-string': {
pattern: /(?:[rub]|rb|br)?("""|''')[\s\S]*?\1/i,
greedy: true,
alias: 'string'
},
'string': {
pattern: /(?:[rub]|rb|br)?("|')(?:\\.|(?!\1)[^\\\r\n])*\1/i,
greedy: true
},
'function': {
pattern: /((?:^|\s)def[ \t]+)[a-zA-Z_]\w*(?=\s*\()/g,
lookbehind: true
},
'class-name': {
pattern: /(\bclass\s+)\w+/i,
lookbehind: true
},
'decorator': {
pattern: /(^\s*)@\w+(?:\.\w+)*/im,
lookbehind: true,
alias: ['annotation', 'punctuation'],
inside: {
'punctuation': /\./
}
},
'keyword': /\b(?:and|as|assert|async|await|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|nonlocal|not|or|pass|print|raise|return|try|while|with|yield)\b/,
'builtin': /\b(?:__import__|abs|all|any|apply|ascii|basestring|bin|bool|buffer|bytearray|bytes|callable|chr|classmethod|cmp|coerce|compile|complex|delattr|dict|dir|divmod|enumerate|eval|execfile|file|filter|float|format|frozenset|getattr|globals|hasattr|hash|help|hex|id|input|int|intern|isinstance|issubclass|iter|len|list|locals|long|map|max|memoryview|min|next|object|oct|open|ord|pow|property|range|raw_input|reduce|reload|repr|reversed|round|set|setattr|slice|sorted|staticmethod|str|sum|super|tuple|type|unichr|unicode|vars|xrange|zip)\b/,
'boolean': /\b(?:True|False|None)\b/,
'number': /(?:\b(?=\d)|\B(?=\.))(?:0[bo])?(?:(?:\d|0x[\da-f])[\da-f]*\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,
'operator': /[-+%=]=?|!=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]/,
'punctuation': /[{}[\];(),.:]/
};
Prism.languages.python['string-interpolation'].inside['interpolation'].inside.rest = Prism.languages.python;
Prism.languages.py = Prism.languages.python;
Prism.languages['visual-basic'] = {
'comment': {
pattern: /(?:[']|REM\b)(?:[^\r\n_]|_(?:\r\n?|\n)?)*/i,
inside: {
'keyword': /^REM/i
}
},
'directive': {
pattern: /#(?:Const|Else|ElseIf|End|ExternalChecksum|ExternalSource|If|Region)(?:[^\S\r\n]_[^\S\r\n]*(?:\r\n?|\n)|.)+/i,
alias: 'comment',
greedy: true
},
'string': {
pattern: /\$?["“”](?:["]{2}|[^"“”])*["]C?/i,
greedy: true
},
'date': {
pattern: /#[^\S\r\n]*(?:\d+([/-])\d+\1\d+(?:[^\S\r\n]+(?:\d+[^\S\r\n]*(?:AM|PM)|\d+:\d+(?::\d+)?(?:[^\S\r\n]*(?:AM|PM))?))?|(?:\d+[^\S\r\n]*(?:AM|PM)|\d+:\d+(?::\d+)?(?:[^\S\r\n]*(?:AM|PM))?))[^\S\r\n]*#/i,
alias: 'builtin'
},
'number': /(?:(?:\b\d+(?:\.\d+)?|\.\d+)(?:E[+-]?\d+)?|&[HO][\dA-F]+)(?:U?[ILS]|[FRD])?/i,
'boolean': /\b(?:True|False|Nothing)\b/i,
'keyword': /\b(?:AddHandler|AddressOf|Alias|And(?:Also)?|As|Boolean|ByRef|Byte|ByVal|Call|Case|Catch|C(?:Bool|Byte|Char|Date|Dbl|Dec|Int|Lng|Obj|SByte|Short|Sng|Str|Type|UInt|ULng|UShort)|Char|Class|Const|Continue|Currency|Date|Decimal|Declare|Default|Delegate|Dim|DirectCast|Do|Double|Each|Else(?:If)?|End(?:If)?|Enum|Erase|Error|Event|Exit|Finally|For|Friend|Function|Get(?:Type|XMLNamespace)?|Global|GoSub|GoTo|Handles|If|Implements|Imports|In|Inherits|Integer|Interface|Is|IsNot|Let|Lib|Like|Long|Loop|Me|Mod|Module|Must(?:Inherit|Override)|My(?:Base|Class)|Namespace|Narrowing|New|Next|Not(?:Inheritable|Overridable)?|Object|Of|On|Operator|Option(?:al)?|Or(?:Else)?|Out|Overloads|Overridable|Overrides|ParamArray|Partial|Private|Property|Protected|Public|RaiseEvent|ReadOnly|ReDim|RemoveHandler|Resume|Return|SByte|Select|Set|Shadows|Shared|short|Single|Static|Step|Stop|String|Structure|Sub|SyncLock|Then|Throw|To|Try|TryCast|Type|TypeOf|U(?:Integer|Long|Short)|Using|Variant|Wend|When|While|Widening|With(?:Events)?|WriteOnly|Xor)\b/i,
'operator': [
/[+\-*/\\^<=>&#@$%!]/,
{
pattern: /([^\S\r\n])_(?=[^\S\r\n]*[\r\n])/,
lookbehind: true
}
],
'punctuation': /[{}().,:?]/
};
Prism.languages.vb = Prism.languages['visual-basic'];
(function () {
if (typeof self === 'undefined' || !self.Prism || !self.document) {
return;
}
/**
* Plugin name which is used as a class name for <pre> which is activating the plugin
* @type {String}
*/
var PLUGIN_NAME = 'line-numbers';
/**
* Regular expression used for determining line breaks
* @type {RegExp}
*/
var NEW_LINE_EXP = /\n(?!$)/g;
/**
* Resizes line numbers spans according to height of line of code
* @param {Element} element <pre> element
*/
var _resizeElement = function (element) {
var codeStyles = getStyles(element);
var whiteSpace = codeStyles['white-space'];
if (whiteSpace === 'pre-wrap' || whiteSpace === 'pre-line') {
var codeElement = element.querySelector('code');
var lineNumbersWrapper = element.querySelector('.line-numbers-rows');
if (!codeElement || !lineNumbersWrapper) {
return;
}
var lineNumberSizer = element.querySelector('.line-numbers-sizer');
var codeLines = codeElement.textContent.split(NEW_LINE_EXP);
if (!lineNumberSizer) {
lineNumberSizer = document.createElement('span');
lineNumberSizer.className = 'line-numbers-sizer';
codeElement.appendChild(lineNumberSizer);
}
lineNumberSizer.style.display = 'block';
codeLines.forEach(function (line, lineNumber) {
lineNumberSizer.textContent = line || '\n';
var lineSize = lineNumberSizer.getBoundingClientRect().height;
lineNumbersWrapper.children[lineNumber].style.height = lineSize + 'px';
});
lineNumberSizer.textContent = '';
lineNumberSizer.style.display = 'none';
}
};
/**
* Returns style declarations for the element
* @param {Element} element
*/
var getStyles = function (element) {
if (!element) {
return null;
}
return window.getComputedStyle ? getComputedStyle(element) : (element.currentStyle || null);
};
window.addEventListener('resize', function () {
Array.prototype.forEach.call(document.querySelectorAll('pre.' + PLUGIN_NAME), _resizeElement);
});
Prism.hooks.add('complete', function (env) {
if (!env.code) {
return;
}
var code = env.element;
var pre = code.parentNode;
// works only for <code> wrapped inside <pre> (not inline)
if (!pre || !/pre/i.test(pre.nodeName)) {
return;
}
// Abort if line numbers already exists
if (code.querySelector('.line-numbers-rows')) {
return;
}
var addLineNumbers = false;
var lineNumbersRegex = /(?:^|\s)line-numbers(?:\s|$)/;
for (var element = code; element; element = element.parentNode) {
if (lineNumbersRegex.test(element.className)) {
addLineNumbers = true;
break;
}
}
// only add line numbers if <code> or one of its ancestors has the `line-numbers` class
if (!addLineNumbers) {
return;
}
// Remove the class 'line-numbers' from the <code>
code.className = code.className.replace(lineNumbersRegex, ' ');
// Add the class 'line-numbers' to the <pre>
if (!lineNumbersRegex.test(pre.className)) {
pre.className += ' line-numbers';
}
var match = env.code.match(NEW_LINE_EXP);
var linesNum = match ? match.length + 1 : 1;
var lineNumbersWrapper;
var lines = new Array(linesNum + 1).join('<span></span>');
lineNumbersWrapper = document.createElement('span');
lineNumbersWrapper.setAttribute('aria-hidden', 'true');
lineNumbersWrapper.className = 'line-numbers-rows';
lineNumbersWrapper.innerHTML = lines;
if (pre.hasAttribute('data-start')) {
pre.style.counterReset = 'linenumber ' + (parseInt(pre.getAttribute('data-start'), 10) - 1);
}
env.element.appendChild(lineNumbersWrapper);
_resizeElement(pre);
Prism.hooks.run('line-numbers', env);
});
Prism.hooks.add('line-numbers', function (env) {
env.plugins = env.plugins || {};
env.plugins.lineNumbers = true;
});
/**
* Global exports
*/
Prism.plugins.lineNumbers = {
/**
* Returns the node of the given line number in the given element.
* @param {Element} element A `<pre>` element with line numbers.
* @param {Number} number
* @returns {Element | undefined}
*/
getLine: function (element, number) {
if (element.tagName !== 'PRE' || !element.classList.contains(PLUGIN_NAME)) {
return;
}
var lineNumberRows = element.querySelector('.line-numbers-rows');
var lineNumberStart = parseInt(element.getAttribute('data-start'), 10) || 1;
var lineNumberEnd = lineNumberStart + (lineNumberRows.children.length - 1);
if (number < lineNumberStart) {
number = lineNumberStart;
}
if (number > lineNumberEnd) {
number = lineNumberEnd;
}
var lineIndex = number - lineNumberStart;
return lineNumberRows.children[lineIndex];
},
/**
* Resizes the line numbers of the given element.
*
* This function will not add line numbers. It will only resize existing ones.
* @param {Element} element A `<pre>` element with line numbers.
* @returns {void}
*/
resize: function (element) {
_resizeElement(element);
}
};
}());
(function() {
var assign = Object.assign || function (obj1, obj2) {
for (var name in obj2) {
if (obj2.hasOwnProperty(name))
obj1[name] = obj2[name];
}
return obj1;
}
function NormalizeWhitespace(defaults) {
this.defaults = assign({}, defaults);
}
function toCamelCase(value) {
return value.replace(/-(\w)/g, function(match, firstChar) {
return firstChar.toUpperCase();
});
}
function tabLen(str) {
var res = 0;
for (var i = 0; i < str.length; ++i) {
if (str.charCodeAt(i) == '\t'.charCodeAt(0))
res += 3;
}
return str.length + res;
}
NormalizeWhitespace.prototype = {
setDefaults: function (defaults) {
this.defaults = assign(this.defaults, defaults);
},
normalize: function (input, settings) {
settings = assign(this.defaults, settings);
for (var name in settings) {
var methodName = toCamelCase(name);
if (name !== "normalize" && methodName !== 'setDefaults' &&
settings[name] && this[methodName]) {
input = this[methodName].call(this, input, settings[name]);
}
}
return input;
},
/*
* Normalization methods
*/
leftTrim: function (input) {
return input.replace(/^\s+/, '');
},
rightTrim: function (input) {
return input.replace(/\s+$/, '');
},
tabsToSpaces: function (input, spaces) {
spaces = spaces|0 || 4;
return input.replace(/\t/g, new Array(++spaces).join(' '));
},
spacesToTabs: function (input, spaces) {
spaces = spaces|0 || 4;
return input.replace(RegExp(' {' + spaces + '}', 'g'), '\t');
},
removeTrailing: function (input) {
return input.replace(/\s*?$/gm, '');
},
// Support for deprecated plugin remove-initial-line-feed
removeInitialLineFeed: function (input) {
return input.replace(/^(?:\r?\n|\r)/, '');
},
removeIndent: function (input) {
var indents = input.match(/^[^\S\n\r]*(?=\S)/gm);
if (!indents || !indents[0].length)
return input;
indents.sort(function(a, b){return a.length - b.length; });
if (!indents[0].length)
return input;
return input.replace(RegExp('^' + indents[0], 'gm'), '');
},
indent: function (input, tabs) {
return input.replace(/^[^\S\n\r]*(?=\S)/gm, new Array(++tabs).join('\t') + '$&');
},
breakLines: function (input, characters) {
characters = (characters === true) ? 80 : characters|0 || 80;
var lines = input.split('\n');
for (var i = 0; i < lines.length; ++i) {
if (tabLen(lines[i]) <= characters)
continue;
var line = lines[i].split(/(\s+)/g),
len = 0;
for (var j = 0; j < line.length; ++j) {
var tl = tabLen(line[j]);
len += tl;
if (len > characters) {
line[j] = '\n' + line[j];
len = tl;
}
}
lines[i] = line.join('');
}
return lines.join('\n');
}
};
// Support node modules
if (typeof module !== 'undefined' && module.exports) {
module.exports = NormalizeWhitespace;
}
// Exit if prism is not loaded
if (typeof Prism === 'undefined') {
return;
}
Prism.plugins.NormalizeWhitespace = new NormalizeWhitespace({
'remove-trailing': true,
'remove-indent': true,
'left-trim': true,
'right-trim': true,
/*'break-lines': 80,
'indent': 2,*/
'remove-initial-line-feed': true,
/*'tabs-to-spaces': 4,
'spaces-to-tabs': 4*/
});
Prism.hooks.add('before-sanity-check', function (env) {
var Normalizer = Prism.plugins.NormalizeWhitespace;
// Check settings
if (env.settings && env.settings['whitespace-normalization'] === false) {
return;
}
// Simple mode if there is no env.element
if ((!env.element || !env.element.parentNode) && env.code) {
env.code = Normalizer.normalize(env.code, env.settings);
return;
}
// Normal mode
var pre = env.element.parentNode;
var clsReg = /(?:^|\s)no-whitespace-normalization(?:\s|$)/;
if (!env.code || !pre || pre.nodeName.toLowerCase() !== 'pre' ||
clsReg.test(pre.className) || clsReg.test(env.element.className))
return;
var children = pre.childNodes,
before = '',
after = '',
codeFound = false;
// Move surrounding whitespace from the <pre> tag into the <code> tag
for (var i = 0; i < children.length; ++i) {
var node = children[i];
if (node == env.element) {
codeFound = true;
} else if (node.nodeName === "#text") {
if (codeFound) {
after += node.nodeValue;
} else {
before += node.nodeValue;
}
pre.removeChild(node);
--i;
}
}
if (!env.element.children.length || !Prism.plugins.KeepMarkup) {
env.code = before + env.code + after;
env.code = Normalizer.normalize(env.code, env.settings);
} else {
// Preserve markup for keep-markup plugin
var html = before + env.element.innerHTML + after;
env.element.innerHTML = Normalizer.normalize(html, env.settings);
env.code = env.element.textContent;
}
});
}());