/* prismjs.com/download.html?themes=prism&languages=markup+css+clike+javascript&plugins=line-numbers */ var _self = (typeof window !== 'undefined')

? window   // if in browser
: (
        (typeof WorkerGlobalScope !== 'undefined' && self instanceof WorkerGlobalScope)
        ? self // if in worker
        : {}   // if in node js
);

/**

* Prism: Lightweight, robust, elegant syntax highlighting
* MIT license http://www.opensource.org/licenses/mit-license.php/
* @author Lea Verou http://lea.verou.me
*/

var Prism = (function(){

// Private helper vars var lang = /blang(?:uage)?-(w+)b/i; var uniqueId = 0;

var _ = _self.Prism = {

util: {
        encode: function (tokens) {
                if (tokens instanceof Token) {
                        return new Token(tokens.type, _.util.encode(tokens.content), tokens.alias);
                } else if (_.util.type(tokens) === 'Array') {
                        return tokens.map(_.util.encode);
                } else {
                        return tokens.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/\u00a0/g, ' ');
                }
        },

        type: function (o) {
                return Object.prototype.toString.call(o).match(/\[object (\w+)\]/)[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 (o) {
                var type = _.util.type(o);

                switch (type) {
                        case 'Object':
                                var clone = {};

                                for (var key in o) {
                                        if (o.hasOwnProperty(key)) {
                                                clone[key] = _.util.clone(o[key]);
                                        }
                                }

                                return clone;

                        case 'Array':
                                // Check for existence for IE8
                                return o.map && o.map(function(v) { return _.util.clone(v); });
                }

                return o;
        }
},

languages: {
        extend: function (id, redef) {
                var lang = _.util.clone(_.languages[id]);

                for (var key in redef) {
                        lang[key] = redef[key];
                }

                return lang;
        },

        /**
         * Insert a token before another token in a language literal
         * As this needs to recreate the object (we cannot actually insert before keys in object literals),
         * we cannot just provide an object, we need anobject and a key.
         * @param inside The key (or language id) of the parent
         * @param before The key to insert before. If not provided, the function appends instead.
         * @param insert Object with the key/value pairs to insert
         * @param root The object that contains `inside`. If equal to Prism.languages, it can be omitted.
         */
        insertBefore: function (inside, before, insert, root) {
                root = root || _.languages;
                var grammar = root[inside];

                if (arguments.length == 2) {
                        insert = arguments[1];

                        for (var newToken in insert) {
                                if (insert.hasOwnProperty(newToken)) {
                                        grammar[newToken] = insert[newToken];
                                }
                        }

                        return grammar;
                }

                var ret = {};

                for (var token in grammar) {

                        if (grammar.hasOwnProperty(token)) {

                                if (token == before) {

                                        for (var newToken in insert) {

                                                if (insert.hasOwnProperty(newToken)) {
                                                        ret[newToken] = insert[newToken];
                                                }
                                        }
                                }

                                ret[token] = grammar[token];
                        }
                }

                // Update references in other language definitions
                _.languages.DFS(_.languages, function(key, value) {
                        if (value === root[inside] && key != inside) {
                                this[key] = ret;
                        }
                });

                return root[inside] = ret;
        },

        // Traverse a language definition with Depth First Search
        DFS: function(o, callback, type, visited) {
                visited = visited || {};
                for (var i in o) {
                        if (o.hasOwnProperty(i)) {
                                callback.call(o, i, o[i], type || i);

                                if (_.util.type(o[i]) === 'Object' && !visited[_.util.objId(o[i])]) {
                                        visited[_.util.objId(o[i])] = true;
                                        _.languages.DFS(o[i], callback, null, visited);
                                }
                                else if (_.util.type(o[i]) === 'Array' && !visited[_.util.objId(o[i])]) {
                                        visited[_.util.objId(o[i])] = true;
                                        _.languages.DFS(o[i], callback, i, visited);
                                }
                        }
                }
        }
},
plugins: {},

highlightAll: function(async, callback) {
        var env = {
                callback: callback,
                selector: 'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
        };

        _.hooks.run("before-highlightall", env);

        var elements = env.elements || document.querySelectorAll(env.selector);

        for (var i=0, element; element = elements[i++];) {
                _.highlightElement(element, async === true, env.callback);
        }
},

highlightElement: function(element, async, callback) {
        // Find language
        var language, grammar, parent = element;

        while (parent && !lang.test(parent.className)) {
                parent = parent.parentNode;
        }

        if (parent) {
                language = (parent.className.match(lang) || [,''])[1];
                grammar = _.languages[language];
        }

        // Set language on the element, if not present
        element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;

        // Set language on the parent, for styling
        parent = element.parentNode;

        if (/pre/i.test(parent.nodeName)) {
                parent.className = parent.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
        }

        var code = element.textContent;

        var env = {
                element: element,
                language: language,
                grammar: grammar,
                code: code
        };

        if (!code || !grammar) {
                _.hooks.run('complete', env);
                return;
        }

        _.hooks.run('before-highlight', env);

        if (async && _self.Worker) {
                var worker = new Worker(_.filename);

                worker.onmessage = function(evt) {
                        env.highlightedCode = evt.data;

                        _.hooks.run('before-insert', env);

                        env.element.innerHTML = env.highlightedCode;

                        callback && callback.call(env.element);
                        _.hooks.run('after-highlight', env);
                        _.hooks.run('complete', env);
                };

                worker.postMessage(JSON.stringify({
                        language: env.language,
                        code: env.code,
                        immediateClose: true
                }));
        }
        else {
                env.highlightedCode = _.highlight(env.code, env.grammar, env.language);

                _.hooks.run('before-insert', env);

                env.element.innerHTML = env.highlightedCode;

                callback && callback.call(element);

                _.hooks.run('after-highlight', env);
                _.hooks.run('complete', env);
        }
},

highlight: function (text, grammar, language) {
        var tokens = _.tokenize(text, grammar);
        return Token.stringify(_.util.encode(tokens), language);
},

tokenize: function(text, grammar, language) {
        var Token = _.Token;

        var strarr = [text];

        var rest = grammar.rest;

        if (rest) {
                for (var token in rest) {
                        grammar[token] = rest[token];
                }

                delete grammar.rest;
        }

        tokenloop: for (var token in grammar) {
                if(!grammar.hasOwnProperty(token) || !grammar[token]) {
                        continue;
                }

                var patterns = grammar[token];
                patterns = (_.util.type(patterns) === "Array") ? patterns : [patterns];

                for (var j = 0; j < patterns.length; ++j) {
                        var pattern = patterns[j],
                                inside = pattern.inside,
                                lookbehind = !!pattern.lookbehind,
                                greedy = !!pattern.greedy,
                                lookbehindLength = 0,
                                alias = pattern.alias;

                        pattern = pattern.pattern || pattern;

                        for (var i=0; i<strarr.length; i++) { // Don’t cache length as it changes during the loop

                                var str = strarr[i];

                                if (strarr.length > text.length) {
                                        // Something went terribly wrong, ABORT, ABORT!
                                        break tokenloop;
                                }

                                if (str instanceof Token) {
                                        continue;
                                }

                                pattern.lastIndex = 0;

                                var match = pattern.exec(str),
                                    delNum = 1;

                                // Greedy patterns can override/remove up to two previously matched tokens
                                if (!match && greedy && i != strarr.length - 1) {
                                        // Reconstruct the original text using the next two tokens
                                        var nextToken = strarr[i + 1].matchedStr || strarr[i + 1],
                                            combStr = str + nextToken;

                                        if (i < strarr.length - 2) {
                                                combStr += strarr[i + 2].matchedStr || strarr[i + 2];
                                        }

                                        // Try the pattern again on the reconstructed text
                                        pattern.lastIndex = 0;
                                        match = pattern.exec(combStr);
                                        if (!match) {
                                                continue;
                                        }

                                        var from = match.index + (lookbehind ? match[1].length : 0);
                                        // To be a valid candidate, the new match has to start inside of str
                                        if (from >= str.length) {
                                                continue;
                                        }
                                        var to = match.index + match[0].length,
                                            len = str.length + nextToken.length;

                                        // Number of tokens to delete and replace with the new match
                                        delNum = 3;

                                        if (to <= len) {
                                                if (strarr[i + 1].greedy) {
                                                        continue;
                                                }
                                                delNum = 2;
                                                combStr = combStr.slice(0, len);
                                        }
                                        str = combStr;
                                }

                                if (!match) {
                                        continue;
                                }

                                if(lookbehind) {
                                        lookbehindLength = match[1].length;
                                }

                                var from = match.index + lookbehindLength,
                                    match = match[0].slice(lookbehindLength),
                                    to = from + match.length,
                                    before = str.slice(0, from),
                                    after = str.slice(to);

                                var args = [i, delNum];

                                if (before) {
                                        args.push(before);
                                }

                                var wrapped = new Token(token, inside? _.tokenize(match, inside) : match, alias, match, greedy);

                                args.push(wrapped);

                                if (after) {
                                        args.push(after);
                                }

                                Array.prototype.splice.apply(strarr, args);
                        }
                }
        }

        return strarr;
},

hooks: {
        all: {},

        add: function (name, callback) {
                var hooks = _.hooks.all;

                hooks[name] = hooks[name] || [];

                hooks[name].push(callback);
        },

        run: function (name, env) {
                var callbacks = _.hooks.all[name];

                if (!callbacks || !callbacks.length) {
                        return;
                }

                for (var i=0, callback; callback = callbacks[i++];) {
                        callback(env);
                }
        }
}

};

var Token = _.Token = function(type, content, alias, matchedStr, greedy) {

this.type = type;
this.content = content;
this.alias = alias;
// Copy of the full string this token was created from
this.matchedStr = matchedStr || null;
this.greedy = !!greedy;

};

Token.stringify = function(o, language, parent) {

if (typeof o == 'string') {
        return o;
}

if (_.util.type(o) === 'Array') {
        return o.map(function(element) {
                return Token.stringify(element, language, o);
        }).join('');
}

var env = {
        type: o.type,
        content: Token.stringify(o.content, language, parent),
        tag: 'span',
        classes: ['token', o.type],
        attributes: {},
        language: language,
        parent: parent
};

if (env.type == 'comment') {
        env.attributes['spellcheck'] = 'true';
}

if (o.alias) {
        var aliases = _.util.type(o.alias) === 'Array' ? o.alias : [o.alias];
        Array.prototype.push.apply(env.classes, aliases);
}

_.hooks.run('wrap', env);

var attributes = '';

for (var name in env.attributes) {
        attributes += (attributes ? ' ' : '') + name + '="' + (env.attributes[name] || '') + '"';
}

return '<' + env.tag + ' class="' + env.classes.join(' ') + '" ' + attributes + '>' + env.content + '</' + env.tag + '>';

};

if (!_self.document) {

if (!_self.addEventListener) {
        // in Node.js
        return _self.Prism;
}
// In worker
_self.addEventListener('message', function(evt) {
        var message = JSON.parse(evt.data),
            lang = message.language,
            code = message.code,
            immediateClose = message.immediateClose;

        _self.postMessage(_.highlight(code, _.languages[lang], lang));
        if (immediateClose) {
                _self.close();
        }
}, false);

return _self.Prism;

}

//Get current script and highlight var script = document.currentScript || [].slice.call(document.getElementsByTagName(“script”)).pop();

if (script) {

_.filename = script.src;

if (document.addEventListener && !script.hasAttribute('data-manual')) {
        document.addEventListener('DOMContentLoaded', _.highlightAll);
}

}

return _self.Prism;

})();

if (typeof module !== 'undefined' && module.exports) {

module.exports = Prism;

}

// hack for components to work correctly in node.js if (typeof global !== 'undefined') {

global.Prism = Prism;

} ; Prism.languages.markup = {

'comment': /<!--[\w\W]*?-->/,
'prolog': /<\?[\w\W]+?\?>/,
'doctype': /<!DOCTYPE[\w\W]+?>/,
'cdata': /<!\[CDATA\[[\w\W]*?]]>/i,
'tag': {
        pattern: /<\/?(?!\d)[^\s>\/=.$<]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\\1|\\?(?!\1)[\w\W])*\1|[^\s'">=]+))?)*\s*\/?>/i,
        inside: {
                'tag': {
                        pattern: /^<\/?[^\s>\/]+/i,
                        inside: {
                                'punctuation': /^<\/?/,
                                'namespace': /^[^\s>\/:]+:/
                        }
                },
                'attr-value': {
                        pattern: /=(?:('|")[\w\W]*?(\1)|[^\s>]+)/i,
                        inside: {
                                'punctuation': /[=>"']/
                        }
                },
                'punctuation': /\/?>/,
                'attr-name': {
                        pattern: /[^\s>\/]+/,
                        inside: {
                                'namespace': /^[^\s>\/:]+:/
                        }
                }

        }
},
'entity': /&#?[\da-z]{1,8};/i

};

// 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;/, '&');
}

});

Prism.languages.xml = Prism.languages.markup; Prism.languages.html = Prism.languages.markup; Prism.languages.mathml = Prism.languages.markup; Prism.languages.svg = Prism.languages.markup;

Prism.languages.css = {

'comment': /\/\*[\w\W]*?\*\//,
'atrule': {
        pattern: /@[\w-]+?.*?(;|(?=\s*\{))/i,
        inside: {
                'rule': /@[\w-]+/
                // See rest below
        }
},
'url': /url\((?:(["'])(\\(?:\r\n|[\w\W])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,
'selector': /[^\{\}\s][^\{\};]*?(?=\s*\{)/,
'string': /("|')(\\(?:\r\n|[\w\W])|(?!\1)[^\\\r\n])*\1/,
'property': /(\b|\B)[\w-]+(?=\s*:)/i,
'important': /\B!important\b/i,
'function': /[-a-z0-9]+(?=\()/i,
'punctuation': /[(){};:]/

};

Prism.languages.css.inside.rest = Prism.util.clone(Prism.languages.css);

if (Prism.languages.markup) {

Prism.languages.insertBefore('markup', 'tag', {
        'style': {
                pattern: /(<style[\w\W]*?>)[\w\W]*?(?=<\/style>)/i,
                lookbehind: true,
                inside: Prism.languages.css,
                alias: 'language-css'
        }
});

Prism.languages.insertBefore('inside', 'attr-value', {
        'style-attr': {
                pattern: /\s*style=("|').*?\1/i,
                inside: {
                        'attr-name': {
                                pattern: /^\s*style/i,
                                inside: Prism.languages.markup.tag.inside
                        },
                        'punctuation': /^\s*=\s*['"]|['"]\s*$/,
                        'attr-value': {
                                pattern: /.+/i,
                                inside: Prism.languages.css
                        }
                },
                alias: 'language-css'
        }
}, Prism.languages.markup.tag);

}; Prism.languages.clike = {

'comment': [
        {
                pattern: /(^|[^\\])\/\*[\w\W]*?\*\//,
                lookbehind: true
        },
        {
                pattern: /(^|[^\\:])\/\/.*/,
                lookbehind: true
        }
],
'string': {
        pattern: /(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
        greedy: true
},
'class-name': {
        pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[a-z0-9_\.\\]+/i,
        lookbehind: true,
        inside: {
                punctuation: /(\.|\\)/
        }
},
'keyword': /\b(if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
'boolean': /\b(true|false)\b/,
'function': /[a-z0-9_]+(?=\()/i,
'number': /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)\b/i,
'operator': /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
'punctuation': /[{}[\];(),.:]/

};

Prism.languages.javascript = Prism.languages.extend('clike', {

'keyword': /\b(as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/,
'number': /\b-?(0x[\dA-Fa-f]+|0b[01]+|0o[0-7]+|\d*\.?\d+([Ee][+-]?\d+)?|NaN|Infinity)\b/,
// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
'function': /[_$a-zA-Z\xA0-\uFFFF][_$a-zA-Z0-9\xA0-\uFFFF]*(?=\()/i

});

Prism.languages.insertBefore('javascript', 'keyword', {

'regex': {
        pattern: /(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\\\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})]))/,
        lookbehind: true,
        greedy: true
}

});

Prism.languages.insertBefore('javascript', 'class-name', {

'template-string': {
        pattern: /`(?:\\\\|\\?[^\\])*?`/,
        greedy: true,
        inside: {
                'interpolation': {
                        pattern: /\$\{[^}]+\}/,
                        inside: {
                                'interpolation-punctuation': {
                                        pattern: /^\$\{|\}$/,
                                        alias: 'punctuation'
                                },
                                rest: Prism.languages.javascript
                        }
                },
                'string': /[\s\S]+/
        }
}

});

if (Prism.languages.markup) {

Prism.languages.insertBefore('markup', 'tag', {
        'script': {
                pattern: /(<script[\w\W]*?>)[\w\W]*?(?=<\/script>)/i,
                lookbehind: true,
                inside: Prism.languages.javascript,
                alias: 'language-javascript'
        }
});

}

Prism.languages.js = Prism.languages.javascript; (function() {

if (typeof self === 'undefined' || !self.Prism || !self.document) {

return;

}

Prism.hooks.add('complete', function (env) {

if (!env.code) {
        return;
}

// works only for <code> wrapped inside <pre> (not inline)
var pre = env.element.parentNode;
var clsReg = /\s*\bline-numbers\b\s*/;
if (
        !pre || !/pre/i.test(pre.nodeName) ||
                // Abort only if nor the <pre> nor the <code> have the class
        (!clsReg.test(pre.className) && !clsReg.test(env.element.className))
) {
        return;
}

if (env.element.querySelector(".line-numbers-rows")) {
        // Abort if line numbers already exists
        return;
}

if (clsReg.test(env.element.className)) {
        // Remove the class "line-numbers" from the <code>
        env.element.className = env.element.className.replace(clsReg, '');
}
if (!clsReg.test(pre.className)) {
        // Add the class "line-numbers" to the <pre>
        pre.className += ' line-numbers';
}

var match = env.code.match(/\n(?!$)/g);
var linesNum = match ? match.length + 1 : 1;
var lineNumbersWrapper;

var lines = new Array(linesNum + 1);
lines = lines.join('<span></span>');

lineNumbersWrapper = document.createElement('span');
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);

});

}());