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diff --git a/helpcontent2/help3xsl/prism.js b/helpcontent2/help3xsl/prism.js new file mode 100644 index 000000000..6ed382590 --- /dev/null +++ b/helpcontent2/help3xsl/prism.js @@ -0,0 +1,2304 @@ +/* PrismJS 1.28.0 +https://prismjs.com/download.html#themes=prism-coy&languages=markup+css+clike+javascript+python+sql+visual-basic&plugins=line-numbers+normalize-whitespace */ +/// <reference lib="WebWorker"/> + +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 + * + * @license MIT <https://opensource.org/licenses/MIT> + * @author Lea Verou <https://lea.verou.me> + * @namespace + * @public + */ +var Prism = (function (_self) { + + // Private helper vars + var lang = /(?:^|\s)lang(?:uage)?-([\w-]+)(?=\s|$)/i; + var uniqueId = 0; + + // The grammar object for plaintext + var plainTextGrammar = {}; + + + var _ = { + /** + * By default, Prism will attempt to highlight all code elements (by calling {@link Prism.highlightAll}) on the + * current page after the page finished loading. This might be a problem if e.g. you wanted to asynchronously load + * additional languages or plugins yourself. + * + * By setting this value to `true`, Prism will not automatically highlight all code elements on the page. + * + * You obviously have to change this value before the automatic highlighting started. To do this, you can add an + * empty Prism object into the global scope before loading the Prism script like this: + * + * ```js + * window.Prism = window.Prism || {}; + * Prism.manual = true; + * // add a new <script> to load Prism's script + * ``` + * + * @default false + * @type {boolean} + * @memberof Prism + * @public + */ + manual: _self.Prism && _self.Prism.manual, + /** + * By default, if Prism is in a web worker, it assumes that it is in a worker it created itself, so it uses + * `addEventListener` to communicate with its parent instance. However, if you're using Prism manually in your + * own worker, you don't want it to do this. + * + * By setting this value to `true`, Prism will not add its own listeners to the worker. + * + * You obviously have to change this value before Prism executes. To do this, you can add an + * empty Prism object into the global scope before loading the Prism script like this: + * + * ```js + * window.Prism = window.Prism || {}; + * Prism.disableWorkerMessageHandler = true; + * // Load Prism's script + * ``` + * + * @default false + * @type {boolean} + * @memberof Prism + * @public + */ + disableWorkerMessageHandler: _self.Prism && _self.Prism.disableWorkerMessageHandler, + + /** + * A namespace for utility methods. + * + * All function in this namespace that are not explicitly marked as _public_ are for __internal use only__ and may + * change or disappear at any time. + * + * @namespace + * @memberof Prism + */ + 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, '&').replace(/</g, '<').replace(/\u00a0/g, ' '); + } + }, + + /** + * Returns the name of the type of the given value. + * + * @param {any} o + * @returns {string} + * @example + * type(null) === 'Null' + * type(undefined) === 'Undefined' + * type(123) === 'Number' + * type('foo') === 'String' + * type(true) === 'Boolean' + * type([1, 2]) === 'Array' + * type({}) === 'Object' + * type(String) === 'Function' + * type(/abc+/) === 'RegExp' + */ + type: function (o) { + return Object.prototype.toString.call(o).slice(8, -1); + }, + + /** + * Returns a unique number for the given object. Later calls will still return the same number. + * + * @param {Object} obj + * @returns {number} + */ + objId: function (obj) { + if (!obj['__id']) { + Object.defineProperty(obj, '__id', { value: ++uniqueId }); + } + return obj['__id']; + }, + + /** + * Creates a deep clone of the given object. + * + * The main intended use of this function is to clone language definitions. + * + * @param {T} o + * @param {Record<number, any>} [visited] + * @returns {T} + * @template T + */ + clone: function deepClone(o, visited) { + visited = visited || {}; + + var clone; var id; + switch (_.util.type(o)) { + case 'Object': + id = _.util.objId(o); + if (visited[id]) { + return visited[id]; + } + clone = /** @type {Record<string, any>} */ ({}); + visited[id] = clone; + + for (var key in o) { + if (o.hasOwnProperty(key)) { + clone[key] = deepClone(o[key], visited); + } + } + + return /** @type {any} */ (clone); + + case 'Array': + id = _.util.objId(o); + if (visited[id]) { + return visited[id]; + } + clone = []; + visited[id] = clone; + + (/** @type {Array} */(/** @type {any} */(o))).forEach(function (v, i) { + clone[i] = deepClone(v, visited); + }); + + return /** @type {any} */ (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) { + var m = lang.exec(element.className); + if (m) { + return m[1].toLowerCase(); + } + element = element.parentElement; + } + return 'none'; + }, + + /** + * Sets the Prism `language-xxxx` class of the given element. + * + * @param {Element} element + * @param {string} language + * @returns {void} + */ + setLanguage: function (element, language) { + // remove all `language-xxxx` classes + // (this might leave behind a leading space) + element.className = element.className.replace(RegExp(lang, 'gi'), ''); + + // add the new `language-xxxx` class + // (using `classList` will automatically clean up spaces for us) + element.classList.add('language-' + language); + }, + + /** + * 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 && 1 < 2 /* hack to trip TS' flow analysis */) { + return /** @type {any} */ (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; + } + }, + + /** + * Returns whether a given class is active for `element`. + * + * The class can be activated if `element` or one of its ancestors has the given class and it can be deactivated + * if `element` or one of its ancestors has the negated version of the given class. The _negated version_ of the + * given class is just the given class with a `no-` prefix. + * + * Whether the class is active is determined by the closest ancestor of `element` (where `element` itself is + * closest ancestor) that has the given class or the negated version of it. If neither `element` nor any of its + * ancestors have the given class or the negated version of it, then the default activation will be returned. + * + * In the paradoxical situation where the closest ancestor contains __both__ the given class and the negated + * version of it, the class is considered active. + * + * @param {Element} element + * @param {string} className + * @param {boolean} [defaultActivation=false] + * @returns {boolean} + */ + isActive: function (element, className, defaultActivation) { + var no = 'no-' + className; + + while (element) { + var classList = element.classList; + if (classList.contains(className)) { + return true; + } + if (classList.contains(no)) { + return false; + } + element = element.parentElement; + } + return !!defaultActivation; + } + }, + + /** + * This namespace contains all currently loaded languages and the some helper functions to create and modify languages. + * + * @namespace + * @memberof Prism + * @public + */ + languages: { + /** + * The grammar for plain, unformatted text. + */ + plain: plainTextGrammar, + plaintext: plainTextGrammar, + text: plainTextGrammar, + txt: plainTextGrammar, + + /** + * Creates a deep copy of the language with the given id and appends the given tokens. + * + * If a token in `redef` also appears in the copied language, then the existing token in the copied language + * will be overwritten at its original position. + * + * ## Best practices + * + * Since the position of overwriting tokens (token in `redef` that overwrite tokens in the copied language) + * doesn't matter, they can technically be in any order. However, this can be confusing to others that trying to + * understand the language definition because, normally, the order of tokens matters in Prism grammars. + * + * Therefore, it is encouraged to order overwriting tokens according to the positions of the overwritten tokens. + * Furthermore, all non-overwriting tokens should be placed after the overwriting ones. + * + * @param {string} id The id of the language to extend. This has to be a key in `Prism.languages`. + * @param {Grammar} redef The new tokens to append. + * @returns {Grammar} The new language created. + * @public + * @example + * Prism.languages['css-with-colors'] = Prism.languages.extend('css', { + * // Prism.languages.css already has a 'comment' token, so this token will overwrite CSS' 'comment' token + * // at its original position + * 'comment': { ... }, + * // CSS doesn't have a 'color' token, so this token will be appended + * 'color': /\b(?:red|green|blue)\b/ + * }); + */ + extend: function (id, redef) { + var lang = _.util.clone(_.languages[id]); + + for (var key in redef) { + lang[key] = redef[key]; + } + + return lang; + }, + + /** + * Inserts tokens _before_ another token in a language definition or any other grammar. + * + * ## Usage + * + * This helper method makes it easy to modify existing languages. For example, the CSS language definition + * not only defines CSS highlighting for CSS documents, but also needs to define highlighting for CSS embedded + * in HTML through `<style>` elements. To do this, it needs to modify `Prism.languages.markup` and add the + * appropriate tokens. However, `Prism.languages.markup` is a regular JavaScript object literal, so if you do + * this: + * + * ```js + * Prism.languages.markup.style = { + * // token + * }; + * ``` + * + * then the `style` token will be added (and processed) at the end. `insertBefore` allows you to insert tokens + * before existing tokens. For the CSS example above, you would use it like this: + * + * ```js + * Prism.languages.insertBefore('markup', 'cdata', { + * 'style': { + * // token + * } + * }); + * ``` + * + * ## Special cases + * + * If the grammars of `inside` and `insert` have tokens with the same name, the tokens in `inside`'s grammar + * will be ignored. + * + * This behavior can be used to insert tokens after `before`: + * + * ```js + * Prism.languages.insertBefore('markup', 'comment', { + * 'comment': Prism.languages.markup.comment, + * // tokens after 'comment' + * }); + * ``` + * + * ## Limitations + * + * The main problem `insertBefore` has to solve is iteration order. Since ES2015, the iteration order for object + * properties is guaranteed to be the insertion order (except for integer keys) but some browsers behave + * differently when keys are deleted and re-inserted. So `insertBefore` can't be implemented by temporarily + * deleting properties which is necessary to insert at arbitrary positions. + * + * To solve this problem, `insertBefore` doesn't actually insert the given tokens into the target object. + * Instead, it will create a new object and replace all references to the target object with the new one. This + * can be done without temporarily deleting properties, so the iteration order is well-defined. + * + * However, only references that can be reached from `Prism.languages` or `insert` will be replaced. I.e. if + * you hold the target object in a variable, then the value of the variable will not change. + * + * ```js + * var oldMarkup = Prism.languages.markup; + * var newMarkup = Prism.languages.insertBefore('markup', 'comment', { ... }); + * + * assert(oldMarkup !== Prism.languages.markup); + * assert(newMarkup === Prism.languages.markup); + * ``` + * + * @param {string} inside The property of `root` (e.g. a language id in `Prism.languages`) that contains the + * object to be modified. + * @param {string} before The key to insert before. + * @param {Grammar} insert An object containing the key-value pairs to be inserted. + * @param {Object<string, any>} [root] The object containing `inside`, i.e. the object that contains the + * object to be modified. + * + * Defaults to `Prism.languages`. + * @returns {Grammar} The new grammar object. + * @public + */ + insertBefore: function (inside, before, insert, root) { + root = root || /** @type {any} */ (_.languages); + var grammar = root[inside]; + /** @type {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]; + } + } + } + + // 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]; + var 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: {}, + + /** + * This is the most high-level function in Prism’s API. + * It fetches all the elements that have a `.language-xxxx` class and then calls {@link Prism.highlightElement} on + * each one of them. + * + * This is equivalent to `Prism.highlightAllUnder(document, async, callback)`. + * + * @param {boolean} [async=false] Same as in {@link Prism.highlightAllUnder}. + * @param {HighlightCallback} [callback] Same as in {@link Prism.highlightAllUnder}. + * @memberof Prism + * @public + */ + highlightAll: function (async, callback) { + _.highlightAllUnder(document, async, callback); + }, + + /** + * Fetches all the descendants of `container` that have a `.language-xxxx` class and then calls + * {@link Prism.highlightElement} on each one of them. + * + * The following hooks will be run: + * 1. `before-highlightall` + * 2. `before-all-elements-highlight` + * 3. All hooks of {@link Prism.highlightElement} for each element. + * + * @param {ParentNode} container The root element, whose descendants that have a `.language-xxxx` class will be highlighted. + * @param {boolean} [async=false] Whether each element is to be highlighted asynchronously using Web Workers. + * @param {HighlightCallback} [callback] An optional callback to be invoked on each element after its highlighting is done. + * @memberof Prism + * @public + */ + 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); + } + }, + + /** + * Highlights the code inside a single element. + * + * The following hooks will be run: + * 1. `before-sanity-check` + * 2. `before-highlight` + * 3. All hooks of {@link Prism.highlight}. These hooks will be run by an asynchronous worker if `async` is `true`. + * 4. `before-insert` + * 5. `after-highlight` + * 6. `complete` + * + * Some the above hooks will be skipped if the element doesn't contain any text or there is no grammar loaded for + * the element's language. + * + * @param {Element} element The element containing the code. + * It must have a class of `language-xxxx` to be processed, where `xxxx` is a valid language identifier. + * @param {boolean} [async=false] Whether the element is to be highlighted asynchronously using Web Workers + * to improve performance and avoid blocking the UI when highlighting very large chunks of code. This option is + * [disabled by default](https://prismjs.com/faq.html#why-is-asynchronous-highlighting-disabled-by-default). + * + * Note: All language definitions required to highlight the code must be included in the main `prism.js` file for + * asynchronous highlighting to work. You can build your own bundle on the + * [Download page](https://prismjs.com/download.html). + * @param {HighlightCallback} [callback] An optional callback to be invoked after the highlighting is done. + * Mostly useful when `async` is `true`, since in that case, the highlighting is done asynchronously. + * @memberof Prism + * @public + */ + highlightElement: function (element, async, callback) { + // Find language + var language = _.util.getLanguage(element); + var grammar = _.languages[language]; + + // Set language on the element, if not present + _.util.setLanguage(element, language); + + // Set language on the parent, for styling + var parent = element.parentElement; + if (parent && parent.nodeName.toLowerCase() === 'pre') { + _.util.setLanguage(parent, 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); + + // plugins may change/add the parent/element + parent = env.element.parentElement; + if (parent && parent.nodeName.toLowerCase() === 'pre' && !parent.hasAttribute('tabindex')) { + parent.setAttribute('tabindex', '0'); + } + + 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)); + } + }, + + /** + * Low-level function, only use if you know what you’re doing. It accepts a string of text as input + * and the language definitions to use, and returns a string with the HTML produced. + * + * The following hooks will be run: + * 1. `before-tokenize` + * 2. `after-tokenize` + * 3. `wrap`: On each {@link Token}. + * + * @param {string} text A string with the code to be highlighted. + * @param {Grammar} grammar An object containing the tokens to use. + * + * Usually a language definition like `Prism.languages.markup`. + * @param {string} language The name of the language definition passed to `grammar`. + * @returns {string} The highlighted HTML. + * @memberof Prism + * @public + * @example + * Prism.highlight('var foo = true;', Prism.languages.javascript, 'javascript'); + */ + highlight: function (text, grammar, language) { + var env = { + code: text, + grammar: grammar, + language: language + }; + _.hooks.run('before-tokenize', env); + if (!env.grammar) { + throw new Error('The language "' + env.language + '" has no grammar.'); + } + env.tokens = _.tokenize(env.code, env.grammar); + _.hooks.run('after-tokenize', env); + return Token.stringify(_.util.encode(env.tokens), env.language); + }, + + /** + * This is the heart of Prism, and the most low-level function you can use. It accepts a string of text as input + * and the language definitions to use, and returns an array with the tokenized code. + * + * When the language definition includes nested tokens, the function is called recursively on each of these tokens. + * + * This method could be useful in other contexts as well, as a very crude parser. + * + * @param {string} text A string with the code to be highlighted. + * @param {Grammar} grammar An object containing the tokens to use. + * + * Usually a language definition like `Prism.languages.markup`. + * @returns {TokenStream} An array of strings and tokens, a token stream. + * @memberof Prism + * @public + * @example + * let code = `var foo = 0;`; + * let tokens = Prism.tokenize(code, Prism.languages.javascript); + * tokens.forEach(token => { + * if (token instanceof Prism.Token && token.type === 'number') { + * console.log(`Found numeric literal: ${token.content}`); + * } + * }); + */ + 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); + }, + + /** + * @namespace + * @memberof Prism + * @public + */ + hooks: { + all: {}, + + /** + * Adds the given callback to the list of callbacks for the given hook. + * + * The callback will be invoked when the hook it is registered for is run. + * Hooks are usually directly run by a highlight function but you can also run hooks yourself. + * + * One callback function can be registered to multiple hooks and the same hook multiple times. + * + * @param {string} name The name of the hook. + * @param {HookCallback} callback The callback function which is given environment variables. + * @public + */ + add: function (name, callback) { + var hooks = _.hooks.all; + + hooks[name] = hooks[name] || []; + + hooks[name].push(callback); + }, + + /** + * Runs a hook invoking all registered callbacks with the given environment variables. + * + * Callbacks will be invoked synchronously and in the order in which they were registered. + * + * @param {string} name The name of the hook. + * @param {Object<string, any>} env The environment variables of the hook passed to all callbacks registered. + * @public + */ + 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 = _; + + + // Typescript note: + // The following can be used to import the Token type in JSDoc: + // + // @typedef {InstanceType<import("./prism-core")["Token"]>} Token + + /** + * Creates a new token. + * + * @param {string} type See {@link Token#type type} + * @param {string | TokenStream} content See {@link Token#content content} + * @param {string|string[]} [alias] The alias(es) of the token. + * @param {string} [matchedStr=""] A copy of the full string this token was created from. + * @class + * @global + * @public + */ + function Token(type, content, alias, matchedStr) { + /** + * The type of the token. + * + * This is usually the key of a pattern in a {@link Grammar}. + * + * @type {string} + * @see GrammarToken + * @public + */ + this.type = type; + /** + * The strings or tokens contained by this token. + * + * This will be a token stream if the pattern matched also defined an `inside` grammar. + * + * @type {string | TokenStream} + * @public + */ + this.content = content; + /** + * The alias(es) of the token. + * + * @type {string|string[]} + * @see GrammarToken + * @public + */ + this.alias = alias; + // Copy of the full string this token was created from + this.length = (matchedStr || '').length | 0; + } + + /** + * A token stream is an array of strings and {@link Token Token} objects. + * + * Token streams have to fulfill a few properties that are assumed by most functions (mostly internal ones) that process + * them. + * + * 1. No adjacent strings. + * 2. No empty strings. + * + * The only exception here is the token stream that only contains the empty string and nothing else. + * + * @typedef {Array<string | Token>} TokenStream + * @global + * @public + */ + + /** + * Converts the given token or token stream to an HTML representation. + * + * The following hooks will be run: + * 1. `wrap`: On each {@link Token}. + * + * @param {string | Token | TokenStream} o The token or token stream to be converted. + * @param {string} language The name of current language. + * @returns {string} The HTML representation of the token or token stream. + * @memberof Token + * @static + */ + 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, '"') + '"'; + } + + return '<' + env.tag + ' class="' + env.classes.join(' ') + '"' + attributes + '>' + env.content + '</' + env.tag + '>'; + }; + + /** + * @param {RegExp} pattern + * @param {number} pos + * @param {string} text + * @param {boolean} lookbehind + * @returns {RegExpExecArray | null} + */ + function matchPattern(pattern, pos, text, lookbehind) { + pattern.lastIndex = pos; + var match = pattern.exec(text); + if (match && lookbehind && match[1]) { + // change the match to remove the text matched by the Prism lookbehind group + var lookbehindLength = match[1].length; + match.index += lookbehindLength; + match[0] = match[0].slice(lookbehindLength); + } + return match; + } + + /** + * @param {string} text + * @param {LinkedList<string | Token>} tokenList + * @param {any} grammar + * @param {LinkedListNode<string | Token>} startNode + * @param {number} startPos + * @param {RematchOptions} [rematch] + * @returns {void} + * @private + * + * @typedef RematchOptions + * @property {string} cause + * @property {number} reach + */ + function matchGrammar(text, tokenList, grammar, startNode, startPos, rematch) { + 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 (rematch && rematch.cause == token + ',' + j) { + return; + } + + var patternObj = patterns[j]; + var inside = patternObj.inside; + var lookbehind = !!patternObj.lookbehind; + var greedy = !!patternObj.greedy; + var alias = patternObj.alias; + + if (greedy && !patternObj.pattern.global) { + // Without the global flag, lastIndex won't work + var flags = patternObj.pattern.toString().match(/[imsuy]*$/)[0]; + patternObj.pattern = RegExp(patternObj.pattern.source, flags + 'g'); + } + + /** @type {RegExp} */ + var pattern = patternObj.pattern || patternObj; + + 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 + ) { + + if (rematch && pos >= rematch.reach) { + break; + } + + 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 + var match; + + if (greedy) { + match = matchPattern(pattern, pos, text, lookbehind); + if (!match || match.index >= text.length) { + break; + } + + var from = match.index; + 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 = k.next + ) { + removeCount++; + p += k.value.length; + } + removeCount--; + + // replace with the new match + str = text.slice(pos, p); + match.index -= pos; + } else { + match = matchPattern(pattern, 0, str, lookbehind); + if (!match) { + continue; + } + } + + // eslint-disable-next-line no-redeclare + var from = match.index; + var matchStr = match[0]; + var before = str.slice(0, from); + var after = str.slice(from + matchStr.length); + + var reach = pos + str.length; + if (rematch && reach > rematch.reach) { + rematch.reach = reach; + } + + 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(matchStr, inside) : matchStr, alias, matchStr); + currentNode = addAfter(tokenList, removeFrom, wrapped); + + if (after) { + addAfter(tokenList, currentNode, after); + } + + if (removeCount > 1) { + // at least one Token object was removed, so we have to do some rematching + // this can only happen if the current pattern is greedy + + /** @type {RematchOptions} */ + var nestedRematch = { + cause: token + ',' + j, + reach: reach + }; + matchGrammar(text, tokenList, grammar, currentNode.prev, pos, nestedRematch); + + // the reach might have been extended because of the rematching + if (rematch && nestedRematch.reach > rematch.reach) { + rematch.reach = nestedRematch.reach; + } + } + } + } + } + } + + /** + * @typedef LinkedListNode + * @property {T} value + * @property {LinkedListNode<T> | null} prev The previous node. + * @property {LinkedListNode<T> | null} next The next node. + * @template T + * @private + */ + + /** + * @template T + * @private + */ + 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); + var lang = message.language; + var code = message.code; + var 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; +} + +// some additional documentation/types + +/** + * The expansion of a simple `RegExp` literal to support additional properties. + * + * @typedef GrammarToken + * @property {RegExp} pattern The regular expression of the token. + * @property {boolean} [lookbehind=false] If `true`, then the first capturing group of `pattern` will (effectively) + * behave as a lookbehind group meaning that the captured text will not be part of the matched text of the new token. + * @property {boolean} [greedy=false] Whether the token is greedy. + * @property {string|string[]} [alias] An optional alias or list of aliases. + * @property {Grammar} [inside] The nested grammar of this token. + * + * The `inside` grammar will be used to tokenize the text value of each token of this kind. + * + * This can be used to make nested and even recursive language definitions. + * + * Note: This can cause infinite recursion. Be careful when you embed different languages or even the same language into + * each another. + * @global + * @public + */ + +/** + * @typedef Grammar + * @type {Object<string, RegExp | GrammarToken | Array<RegExp | GrammarToken>>} + * @property {Grammar} [rest] An optional grammar object that will be appended to this grammar. + * @global + * @public + */ + +/** + * A function which will invoked after an element was successfully highlighted. + * + * @callback HighlightCallback + * @param {Element} element The element successfully highlighted. + * @returns {void} + * @global + * @public + */ + +/** + * @callback HookCallback + * @param {Object<string, any>} env The environment variables of the hook. + * @returns {void} + * @global + * @public + */ +; +Prism.languages.markup = { + 'comment': { + pattern: /<!--(?:(?!<!--)[\s\S])*?-->/, + greedy: true + }, + 'prolog': { + pattern: /<\?[\s\S]+?\?>/, + greedy: true + }, + '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/i, + 'name': /[^\s<>'"]+/ + } + }, + 'cdata': { + pattern: /<!\[CDATA\[[\s\S]*?\]\]>/i, + greedy: true + }, + 'tag': { + pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s(?:\s*[^\s>\/=]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+(?=[\s>]))|(?=[\s/>])))+)?\s*\/?>/, + greedy: true, + inside: { + 'tag': { + pattern: /^<\/?[^\s>\/]+/, + inside: { + 'punctuation': /^<\/?/, + 'namespace': /^[^\s>\/:]+:/ + } + }, + 'special-attr': [], + 'attr-value': { + pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/, + inside: { + 'punctuation': [ + { + pattern: /^=/, + alias: 'attr-equals' + }, + { + pattern: /^(\s*)["']|["']$/, + lookbehind: true + } + ] + } + }, + '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(/&/, '&'); + } +}); + +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(/(<__[^>]*>)(?:<!\[CDATA\[(?:[^\]]|\](?!\]>))*\]\]>|(?!<!\[CDATA\[)[\s\S])*?(?=<\/__>)/.source.replace(/__/g, function () { return tagName; }), 'i'), + lookbehind: true, + greedy: true, + inside: inside + }; + + Prism.languages.insertBefore('markup', 'cdata', def); + } +}); +Object.defineProperty(Prism.languages.markup.tag, 'addAttribute', { + /** + * Adds an pattern to highlight languages embedded in HTML attributes. + * + * An example of an inlined language is CSS with `style` attributes. + * + * @param {string} attrName 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 + * addAttribute('style', 'css'); + */ + value: function (attrName, lang) { + Prism.languages.markup.tag.inside['special-attr'].push({ + pattern: RegExp( + /(^|["'\s])/.source + '(?:' + attrName + ')' + /\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+(?=[\s>]))/.source, + 'i' + ), + lookbehind: true, + inside: { + 'attr-name': /^[^\s=]+/, + 'attr-value': { + pattern: /=[\s\S]+/, + inside: { + 'value': { + pattern: /(^=\s*(["']|(?!["'])))\S[\s\S]*(?=\2$)/, + lookbehind: true, + alias: [lang, 'language-' + lang], + inside: Prism.languages[lang] + }, + 'punctuation': [ + { + pattern: /^=/, + alias: 'attr-equals' + }, + /"|'/ + ] + } + } + } + }); + } +}); + +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])|[^"\\\r\n])*"|'(?:\\(?:\r\n|[\s\S])|[^'\\\r\n])*')/; + + Prism.languages.css = { + 'comment': /\/\*[\s\S]*?\*\//, + 'atrule': { + pattern: RegExp('@[\\w-](?:' + /[^;{\s"']|\s+(?!\s)/.source + '|' + string.source + ')*?' + /(?:;|(?=\s*\{))/.source), + inside: { + 'rule': /^@[\w-]+/, + 'selector-function-argument': { + pattern: /(\bselector\s*\(\s*(?![\s)]))(?:[^()\s]|\s+(?![\s)])|\((?:[^()]|\([^()]*\))*\))+(?=\s*\))/, + lookbehind: true, + alias: 'selector' + }, + 'keyword': { + pattern: /(^|[^\w-])(?:and|not|only|or)(?![\w-])/, + lookbehind: true + } + // See rest below + } + }, + 'url': { + // https://drafts.csswg.org/css-values-3/#urls + pattern: RegExp('\\burl\\((?:' + string.source + '|' + /(?:[^\\\r\n()"']|\\[\s\S])*/.source + ')\\)', 'i'), + greedy: true, + inside: { + 'function': /^url/i, + 'punctuation': /^\(|\)$/, + 'string': { + pattern: RegExp('^' + string.source + '$'), + alias: 'url' + } + } + }, + 'selector': { + pattern: RegExp('(^|[{}\\s])[^{}\\s](?:[^{};"\'\\s]|\\s+(?![\\s{])|' + string.source + ')*(?=\\s*\\{)'), + lookbehind: true + }, + 'string': { + pattern: string, + greedy: true + }, + 'property': { + pattern: /(^|[^-\w\xA0-\uFFFF])(?!\s)[-_a-z\xA0-\uFFFF](?:(?!\s)[-\w\xA0-\uFFFF])*(?=\s*:)/i, + lookbehind: true + }, + 'important': /!important\b/i, + 'function': { + pattern: /(^|[^-a-z0-9])[-a-z0-9]+(?=\()/i, + lookbehind: true + }, + 'punctuation': /[(){};:,]/ + }; + + Prism.languages.css['atrule'].inside.rest = Prism.languages.css; + + var markup = Prism.languages.markup; + if (markup) { + markup.tag.addInlined('style', 'css'); + markup.tag.addAttribute('style', 'css'); + } + +}(Prism)); + +Prism.languages.clike = { + 'comment': [ + { + pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/, + lookbehind: true, + greedy: true + }, + { + pattern: /(^|[^\\:])\/\/.*/, + lookbehind: true, + greedy: true + } + ], + 'string': { + pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/, + greedy: true + }, + 'class-name': { + pattern: /(\b(?:class|extends|implements|instanceof|interface|new|trait)\s+|\bcatch\s+\()[\w.\\]+/i, + lookbehind: true, + inside: { + 'punctuation': /[.\\]/ + } + }, + 'keyword': /\b(?:break|catch|continue|do|else|finally|for|function|if|in|instanceof|new|null|return|throw|try|while)\b/, + 'boolean': /\b(?:false|true)\b/, + 'function': /\b\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: /(^|[^$\w\xA0-\uFFFF])(?!\s)[_$A-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?=\.(?:constructor|prototype))/, + lookbehind: true + } + ], + 'keyword': [ + { + pattern: /((?:^|\})\s*)catch\b/, + lookbehind: true + }, + { + pattern: /(^|[^.]|\.\.\.\s*)\b(?:as|assert(?=\s*\{)|async(?=\s*(?:function\b|\(|[$\w\xA0-\uFFFF]|$))|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally(?=\s*(?:\{|$))|for|from(?=\s*(?:['"]|$))|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 + }, + ], + // Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444) + 'function': /#?(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?=\s*(?:\.\s*(?:apply|bind|call)\s*)?\()/, + 'number': { + pattern: RegExp( + /(^|[^\w$])/.source + + '(?:' + + ( + // constant + /NaN|Infinity/.source + + '|' + + // binary integer + /0[bB][01]+(?:_[01]+)*n?/.source + + '|' + + // octal integer + /0[oO][0-7]+(?:_[0-7]+)*n?/.source + + '|' + + // hexadecimal integer + /0[xX][\dA-Fa-f]+(?:_[\dA-Fa-f]+)*n?/.source + + '|' + + // decimal bigint + /\d+(?:_\d+)*n/.source + + '|' + + // decimal number (integer or float) but no bigint + /(?:\d+(?:_\d+)*(?:\.(?:\d+(?:_\d+)*)?)?|\.\d+(?:_\d+)*)(?:[Ee][+-]?\d+(?:_\d+)*)?/.source + ) + + ')' + + /(?![\w$])/.source + ), + lookbehind: true + }, + 'operator': /--|\+\+|\*\*=?|=>|&&=?|\|\|=?|[!=]==|<<=?|>>>?=?|[-+*/%&|^!=<>]=?|\.{3}|\?\?=?|\?\.?|[~:]/ +}); + +Prism.languages.javascript['class-name'][0].pattern = /(\b(?:class|extends|implements|instanceof|interface|new)\s+)[\w.\\]+/; + +Prism.languages.insertBefore('javascript', 'keyword', { + 'regex': { + pattern: RegExp( + // lookbehind + // eslint-disable-next-line regexp/no-dupe-characters-character-class + /((?:^|[^$\w\xA0-\uFFFF."'\])\s]|\b(?:return|yield))\s*)/.source + + // Regex pattern: + // There are 2 regex patterns here. The RegExp set notation proposal added support for nested character + // classes if the `v` flag is present. Unfortunately, nested CCs are both context-free and incompatible + // with the only syntax, so we have to define 2 different regex patterns. + /\//.source + + '(?:' + + /(?:\[(?:[^\]\\\r\n]|\\.)*\]|\\.|[^/\\\[\r\n])+\/[dgimyus]{0,7}/.source + + '|' + + // `v` flag syntax. This supports 3 levels of nested character classes. + /(?:\[(?:[^[\]\\\r\n]|\\.|\[(?:[^[\]\\\r\n]|\\.|\[(?:[^[\]\\\r\n]|\\.)*\])*\])*\]|\\.|[^/\\\[\r\n])+\/[dgimyus]{0,7}v[dgimyus]{0,7}/.source + + ')' + + // lookahead + /(?=(?:\s|\/\*(?:[^*]|\*(?!\/))*\*\/)*(?:$|[\r\n,.;:})\]]|\/\/))/.source + ), + lookbehind: true, + greedy: true, + inside: { + 'regex-source': { + pattern: /^(\/)[\s\S]+(?=\/[a-z]*$)/, + lookbehind: true, + alias: 'language-regex', + inside: Prism.languages.regex + }, + 'regex-delimiter': /^\/|\/$/, + 'regex-flags': /^[a-z]+$/, + } + }, + // This must be declared before keyword because we use "function" inside the look-forward + 'function-variable': { + pattern: /#?(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?=\s*[=:]\s*(?:async\s*)?(?:\bfunction\b|(?:\((?:[^()]|\([^()]*\))*\)|(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*)\s*=>))/, + alias: 'function' + }, + 'parameter': [ + { + pattern: /(function(?:\s+(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*)?\s*\(\s*)(?!\s)(?:[^()\s]|\s+(?![\s)])|\([^()]*\))+(?=\s*\))/, + lookbehind: true, + inside: Prism.languages.javascript + }, + { + pattern: /(^|[^$\w\xA0-\uFFFF])(?!\s)[_$a-z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?=\s*=>)/i, + lookbehind: true, + inside: Prism.languages.javascript + }, + { + pattern: /(\(\s*)(?!\s)(?:[^()\s]|\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)(?![$\w\xA0-\uFFFF]))(?:(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*\s*)\(\s*|\]\s*\(\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', { + 'hashbang': { + pattern: /^#!.*/, + greedy: true, + alias: 'comment' + }, + '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]+/ + } + }, + 'string-property': { + pattern: /((?:^|[,{])[ \t]*)(["'])(?:\\(?:\r\n|[\s\S])|(?!\2)[^\\\r\n])*\2(?=\s*:)/m, + lookbehind: true, + greedy: true, + alias: 'property' + } +}); + +Prism.languages.insertBefore('javascript', 'operator', { + 'literal-property': { + pattern: /((?:^|[,{])[ \t]*)(?!\s)[_$a-zA-Z\xA0-\uFFFF](?:(?!\s)[$\w\xA0-\uFFFF])*(?=\s*:)/m, + lookbehind: true, + alias: 'property' + }, +}); + +if (Prism.languages.markup) { + Prism.languages.markup.tag.addInlined('script', 'javascript'); + + // add attribute support for all DOM events. + // https://developer.mozilla.org/en-US/docs/Web/Events#Standard_events + Prism.languages.markup.tag.addAttribute( + /on(?:abort|blur|change|click|composition(?:end|start|update)|dblclick|error|focus(?:in|out)?|key(?:down|up)|load|mouse(?:down|enter|leave|move|out|over|up)|reset|resize|scroll|select|slotchange|submit|unload|wheel)/.source, + 'javascript' + ); +} + +Prism.languages.js = Prism.languages.javascript; + +Prism.languages.python = { + 'comment': { + pattern: /(^|[^\\])#.*/, + lookbehind: true, + greedy: true + }, + 'string-interpolation': { + pattern: /(?:f|fr|rf)(?:("""|''')[\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: //, + alias: 'punctuation' + }, + rest: null + } + }, + 'string': /[\s\S]+/ + } + }, + 'triple-quoted-string': { + pattern: /(?:[rub]|br|rb)?("""|''')[\s\S]*?\1/i, + greedy: true, + alias: 'string' + }, + 'string': { + pattern: /(?:[rub]|br|rb)?("|')(?:\\.|(?!\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: /(^[\t ]*)@\w+(?:\.\w+)*/m, + lookbehind: true, + alias: ['annotation', 'punctuation'], + inside: { + 'punctuation': /\./ + } + }, + 'keyword': /\b(?:_(?=\s*:)|and|as|assert|async|await|break|case|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|match|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(?:False|None|True)\b/, + 'number': /\b0(?:b(?:_?[01])+|o(?:_?[0-7])+|x(?:_?[a-f0-9])+)\b|(?:\b\d+(?:_\d+)*(?:\.(?:\d+(?:_\d+)*)?)?|\B\.\d+(?:_\d+)*)(?:e[+-]?\d+(?:_\d+)*)?j?(?!\w)/i, + 'operator': /[-+%=]=?|!=|:=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]/, + 'punctuation': /[{}[\];(),.:]/ +}; + +Prism.languages.python['string-interpolation'].inside['interpolation'].inside.rest = Prism.languages.python; + +Prism.languages.py = Prism.languages.python; + +Prism.languages.sql = { + 'comment': { + pattern: /(^|[^\\])(?:\/\*[\s\S]*?\*\/|(?:--|\/\/|#).*)/, + lookbehind: true + }, + 'variable': [ + { + pattern: /@(["'`])(?:\\[\s\S]|(?!\1)[^\\])+\1/, + greedy: true + }, + /@[\w.$]+/ + ], + 'string': { + pattern: /(^|[^@\\])("|')(?:\\[\s\S]|(?!\2)[^\\]|\2\2)*\2/, + greedy: true, + lookbehind: true + }, + 'identifier': { + pattern: /(^|[^@\\])`(?:\\[\s\S]|[^`\\]|``)*`/, + greedy: true, + lookbehind: true, + inside: { + 'punctuation': /^`|`$/ + } + }, + 'function': /\b(?:AVG|COUNT|FIRST|FORMAT|LAST|LCASE|LEN|MAX|MID|MIN|MOD|NOW|ROUND|SUM|UCASE)(?=\s*\()/i, // Should we highlight user defined functions too? + 'keyword': /\b(?:ACTION|ADD|AFTER|ALGORITHM|ALL|ALTER|ANALYZE|ANY|APPLY|AS|ASC|AUTHORIZATION|AUTO_INCREMENT|BACKUP|BDB|BEGIN|BERKELEYDB|BIGINT|BINARY|BIT|BLOB|BOOL|BOOLEAN|BREAK|BROWSE|BTREE|BULK|BY|CALL|CASCADED?|CASE|CHAIN|CHAR(?:ACTER|SET)?|CHECK(?:POINT)?|CLOSE|CLUSTERED|COALESCE|COLLATE|COLUMNS?|COMMENT|COMMIT(?:TED)?|COMPUTE|CONNECT|CONSISTENT|CONSTRAINT|CONTAINS(?:TABLE)?|CONTINUE|CONVERT|CREATE|CROSS|CURRENT(?:_DATE|_TIME|_TIMESTAMP|_USER)?|CURSOR|CYCLE|DATA(?:BASES?)?|DATE(?:TIME)?|DAY|DBCC|DEALLOCATE|DEC|DECIMAL|DECLARE|DEFAULT|DEFINER|DELAYED|DELETE|DELIMITERS?|DENY|DESC|DESCRIBE|DETERMINISTIC|DISABLE|DISCARD|DISK|DISTINCT|DISTINCTROW|DISTRIBUTED|DO|DOUBLE|DROP|DUMMY|DUMP(?:FILE)?|DUPLICATE|ELSE(?:IF)?|ENABLE|ENCLOSED|END|ENGINE|ENUM|ERRLVL|ERRORS|ESCAPED?|EXCEPT|EXEC(?:UTE)?|EXISTS|EXIT|EXPLAIN|EXTENDED|FETCH|FIELDS|FILE|FILLFACTOR|FIRST|FIXED|FLOAT|FOLLOWING|FOR(?: EACH ROW)?|FORCE|FOREIGN|FREETEXT(?:TABLE)?|FROM|FULL|FUNCTION|GEOMETRY(?:COLLECTION)?|GLOBAL|GOTO|GRANT|GROUP|HANDLER|HASH|HAVING|HOLDLOCK|HOUR|IDENTITY(?:COL|_INSERT)?|IF|IGNORE|IMPORT|INDEX|INFILE|INNER|INNODB|INOUT|INSERT|INT|INTEGER|INTERSECT|INTERVAL|INTO|INVOKER|ISOLATION|ITERATE|JOIN|KEYS?|KILL|LANGUAGE|LAST|LEAVE|LEFT|LEVEL|LIMIT|LINENO|LINES|LINESTRING|LOAD|LOCAL|LOCK|LONG(?:BLOB|TEXT)|LOOP|MATCH(?:ED)?|MEDIUM(?:BLOB|INT|TEXT)|MERGE|MIDDLEINT|MINUTE|MODE|MODIFIES|MODIFY|MONTH|MULTI(?:LINESTRING|POINT|POLYGON)|NATIONAL|NATURAL|NCHAR|NEXT|NO|NONCLUSTERED|NULLIF|NUMERIC|OFF?|OFFSETS?|ON|OPEN(?:DATASOURCE|QUERY|ROWSET)?|OPTIMIZE|OPTION(?:ALLY)?|ORDER|OUT(?:ER|FILE)?|OVER|PARTIAL|PARTITION|PERCENT|PIVOT|PLAN|POINT|POLYGON|PRECEDING|PRECISION|PREPARE|PREV|PRIMARY|PRINT|PRIVILEGES|PROC(?:EDURE)?|PUBLIC|PURGE|QUICK|RAISERROR|READS?|REAL|RECONFIGURE|REFERENCES|RELEASE|RENAME|REPEAT(?:ABLE)?|REPLACE|REPLICATION|REQUIRE|RESIGNAL|RESTORE|RESTRICT|RETURN(?:ING|S)?|REVOKE|RIGHT|ROLLBACK|ROUTINE|ROW(?:COUNT|GUIDCOL|S)?|RTREE|RULE|SAVE(?:POINT)?|SCHEMA|SECOND|SELECT|SERIAL(?:IZABLE)?|SESSION(?:_USER)?|SET(?:USER)?|SHARE|SHOW|SHUTDOWN|SIMPLE|SMALLINT|SNAPSHOT|SOME|SONAME|SQL|START(?:ING)?|STATISTICS|STATUS|STRIPED|SYSTEM_USER|TABLES?|TABLESPACE|TEMP(?:ORARY|TABLE)?|TERMINATED|TEXT(?:SIZE)?|THEN|TIME(?:STAMP)?|TINY(?:BLOB|INT|TEXT)|TOP?|TRAN(?:SACTIONS?)?|TRIGGER|TRUNCATE|TSEQUAL|TYPES?|UNBOUNDED|UNCOMMITTED|UNDEFINED|UNION|UNIQUE|UNLOCK|UNPIVOT|UNSIGNED|UPDATE(?:TEXT)?|USAGE|USE|USER|USING|VALUES?|VAR(?:BINARY|CHAR|CHARACTER|YING)|VIEW|WAITFOR|WARNINGS|WHEN|WHERE|WHILE|WITH(?: ROLLUP|IN)?|WORK|WRITE(?:TEXT)?|YEAR)\b/i, + 'boolean': /\b(?:FALSE|NULL|TRUE)\b/i, + 'number': /\b0x[\da-f]+\b|\b\d+(?:\.\d*)?|\B\.\d+\b/i, + 'operator': /[-+*\/=%^~]|&&?|\|\|?|!=?|<(?:=>?|<|>)?|>[>=]?|\b(?:AND|BETWEEN|DIV|ILIKE|IN|IS|LIKE|NOT|OR|REGEXP|RLIKE|SOUNDS LIKE|XOR)\b/i, + 'punctuation': /[;[\]()`,.]/ +}; + +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)(?:\b_[ \t]*(?:\r\n?|\n)|.)+/i, + alias: 'property', + greedy: true + }, + 'string': { + pattern: /\$?["“”](?:["“”]{2}|[^"“”])*["“”]C?/i, + greedy: true + }, + 'date': { + pattern: /#[ \t]*(?:\d+([/-])\d+\1\d+(?:[ \t]+(?:\d+[ \t]*(?:AM|PM)|\d+:\d+(?::\d+)?(?:[ \t]*(?:AM|PM))?))?|\d+[ \t]*(?:AM|PM)|\d+:\d+(?::\d+)?(?:[ \t]*(?:AM|PM))?)[ \t]*#/i, + alias: 'number' + }, + 'number': /(?:(?:\b\d+(?:\.\d+)?|\.\d+)(?:E[+-]?\d+)?|&[HO][\dA-F]+)(?:[FRD]|U?[ILS])?/i, + 'boolean': /\b(?:False|Nothing|True)\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)|Until|Using|Variant|Wend|When|While|Widening|With(?:Events)?|WriteOnly|Xor)\b/i, + 'operator': /[+\-*/\\^<=>&#@$%!]|\b_(?=[ \t]*[\r\n])/, + 'punctuation': /[{}().,:?]/ +}; + +Prism.languages.vb = Prism.languages['visual-basic']; +Prism.languages.vba = Prism.languages['visual-basic']; + +(function () { + + if (typeof Prism === 'undefined' || typeof document === 'undefined') { + return; + } + + /** + * Plugin name which is used as a class name for <pre> which is activating the plugin + * + * @type {string} + */ + var PLUGIN_NAME = 'line-numbers'; + + /** + * Regular expression used for determining line breaks + * + * @type {RegExp} + */ + var NEW_LINE_EXP = /\n(?!$)/g; + + + /** + * Global exports + */ + var config = Prism.plugins.lineNumbers = { + /** + * Get node for provided line number + * + * @param {Element} element pre element + * @param {number} number line 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'); + if (!lineNumberRows) { + return; + } + 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 {HTMLElement} element A `<pre>` element with line numbers. + * @returns {void} + */ + resize: function (element) { + resizeElements([element]); + }, + + /** + * Whether the plugin can assume that the units font sizes and margins are not depended on the size of + * the current viewport. + * + * Setting this to `true` will allow the plugin to do certain optimizations for better performance. + * + * Set this to `false` if you use any of the following CSS units: `vh`, `vw`, `vmin`, `vmax`. + * + * @type {boolean} + */ + assumeViewportIndependence: true + }; + + /** + * Resizes the given elements. + * + * @param {HTMLElement[]} elements + */ + function resizeElements(elements) { + elements = elements.filter(function (e) { + var codeStyles = getStyles(e); + var whiteSpace = codeStyles['white-space']; + return whiteSpace === 'pre-wrap' || whiteSpace === 'pre-line'; + }); + + if (elements.length == 0) { + return; + } + + var infos = elements.map(function (element) { + var codeElement = element.querySelector('code'); + var lineNumbersWrapper = element.querySelector('.line-numbers-rows'); + if (!codeElement || !lineNumbersWrapper) { + return undefined; + } + + /** @type {HTMLElement} */ + 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.innerHTML = '0'; + lineNumberSizer.style.display = 'block'; + + var oneLinerHeight = lineNumberSizer.getBoundingClientRect().height; + lineNumberSizer.innerHTML = ''; + + return { + element: element, + lines: codeLines, + lineHeights: [], + oneLinerHeight: oneLinerHeight, + sizer: lineNumberSizer, + }; + }).filter(Boolean); + + infos.forEach(function (info) { + var lineNumberSizer = info.sizer; + var lines = info.lines; + var lineHeights = info.lineHeights; + var oneLinerHeight = info.oneLinerHeight; + + lineHeights[lines.length - 1] = undefined; + lines.forEach(function (line, index) { + if (line && line.length > 1) { + var e = lineNumberSizer.appendChild(document.createElement('span')); + e.style.display = 'block'; + e.textContent = line; + } else { + lineHeights[index] = oneLinerHeight; + } + }); + }); + + infos.forEach(function (info) { + var lineNumberSizer = info.sizer; + var lineHeights = info.lineHeights; + + var childIndex = 0; + for (var i = 0; i < lineHeights.length; i++) { + if (lineHeights[i] === undefined) { + lineHeights[i] = lineNumberSizer.children[childIndex++].getBoundingClientRect().height; + } + } + }); + + infos.forEach(function (info) { + var lineNumberSizer = info.sizer; + var wrapper = info.element.querySelector('.line-numbers-rows'); + + lineNumberSizer.style.display = 'none'; + lineNumberSizer.innerHTML = ''; + + info.lineHeights.forEach(function (height, lineNumber) { + wrapper.children[lineNumber].style.height = height + 'px'; + }); + }); + } + + /** + * Returns style declarations for the element + * + * @param {Element} element + */ + function getStyles(element) { + if (!element) { + return null; + } + + return window.getComputedStyle ? getComputedStyle(element) : (element.currentStyle || null); + } + + var lastWidth = undefined; + window.addEventListener('resize', function () { + if (config.assumeViewportIndependence && lastWidth === window.innerWidth) { + return; + } + lastWidth = window.innerWidth; + + resizeElements(Array.prototype.slice.call(document.querySelectorAll('pre.' + PLUGIN_NAME))); + }); + + Prism.hooks.add('complete', function (env) { + if (!env.code) { + return; + } + + var code = /** @type {Element} */ (env.element); + var pre = /** @type {HTMLElement} */ (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; + } + + // only add line numbers if <code> or one of its ancestors has the `line-numbers` class + if (!Prism.util.isActive(code, PLUGIN_NAME)) { + return; + } + + // Remove the class 'line-numbers' from the <code> + code.classList.remove(PLUGIN_NAME); + // Add the class 'line-numbers' to the <pre> + pre.classList.add(PLUGIN_NAME); + + 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); + + resizeElements([pre]); + + Prism.hooks.run('line-numbers', env); + }); + + Prism.hooks.add('line-numbers', function (env) { + env.plugins = env.plugins || {}; + env.plugins.lineNumbers = true; + }); + +}()); + +(function () { + + if (typeof Prism === 'undefined') { + return; + } + + 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); + var 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; + } + + 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': false, + '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; + } + + // Check classes + if (!Prism.util.isActive(env.element, 'whitespace-normalization', true)) { + 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; + if (!env.code || !pre || pre.nodeName.toLowerCase() !== 'pre') { + return; + } + + var children = pre.childNodes; + var before = ''; + var after = ''; + var 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; + } + }); + +}()); + |