/**
 * Copyright (c) Tiny Technologies, Inc. All rights reserved.
 * Licensed under the LGPL or a commercial license.
 * For LGPL see License.txt in the project root for license information.
 * For commercial licenses see https://www.tiny.cloud/
 *
 * Version: 5.0.1 (2019-02-21)
 */
(function () {
var codesample = (function (domGlobals) {
  'use strict';

  var global = tinymce.util.Tools.resolve('tinymce.PluginManager');

  var global$1 = tinymce.util.Tools.resolve('tinymce.dom.DOMUtils');

  var window = {};
  var global$2 = window;
  var _self = typeof window !== 'undefined' ? window : typeof WorkerGlobalScope !== 'undefined' && domGlobals.self instanceof WorkerGlobalScope ? domGlobals.self : {};
  var Prism = function () {
    var lang = /\blang(?:uage)?-(?!\*)(\w+)\b/i;
    var _ = _self.Prism = {
      util: {
        encode: function (tokens) {
          if (tokens instanceof Token) {
            return new Token(tokens.type, _.util.encode(tokens.content), 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];
        },
        clone: function (o) {
          var type = _.util.type(o);
          switch (type) {
          case 'Object':
            var clone = {};
            for (var key in o) {
              if (o.hasOwnProperty(key)) {
                clone[key] = _.util.clone(o[key]);
              }
            }
            return clone;
          case 'Array':
            return o.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;
        },
        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];
            }
          }
          _.languages.DFS(_.languages, function (key, value) {
            if (value === root[inside] && key !== inside) {
              this[key] = ret;
            }
          });
          return root[inside] = ret;
        },
        DFS: function (o, callback, type) {
          for (var i in o) {
            if (o.hasOwnProperty(i)) {
              callback.call(o, i, o[i], type || i);
              if (_.util.type(o[i]) === 'Object') {
                _.languages.DFS(o[i], callback);
              } else if (_.util.type(o[i]) === 'Array') {
                _.languages.DFS(o[i], callback, i);
              }
            }
          }
        }
      },
      plugins: {},
      highlightAll: function (async, callback) {
        var elements = domGlobals.document.querySelectorAll('code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code');
        for (var i = 0, element = void 0; element = elements[i++];) {
          _.highlightElement(element, async === true, callback);
        }
      },
      highlightElement: function (element, async, callback) {
        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];
        }
        element.className = element.className.replace(lang, '').replace(/\s+/g, ' ') + ' language-' + language;
        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 domGlobals.Worker(_.filename);
          worker.onmessage = function (evt) {
            env.highlightedCode = evt.data;
            _.hooks.run('before-insert', env);
            env.element.innerHTML = env.highlightedCode;
            if (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;
          if (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];
              var inside = pattern.inside;
              var lookbehind = !!pattern.lookbehind;
              var lookbehindLength = 0;
              var alias = pattern.alias;
              pattern = pattern.pattern || pattern;
              for (var i = 0; i < strarr.length; i++) {
                var str = strarr[i];
                if (strarr.length > text.length) {
                  break tokenloop;
                }
                if (str instanceof Token) {
                  continue;
                }
                pattern.lastIndex = 0;
                var match = pattern.exec(str);
                if (match) {
                  if (lookbehind) {
                    lookbehindLength = match[1].length;
                  }
                  var from = match.index - 1 + lookbehindLength;
                  match = match[0].slice(lookbehindLength);
                  var len = match.length, to = from + len, before = str.slice(0, from + 1), after = str.slice(to + 1);
                  var args = [
                    i,
                    1
                  ];
                  if (before) {
                    args.push(before);
                  }
                  var wrapped = new Token(token, inside ? _.tokenize(match, inside) : match, alias);
                  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 = void 0; callback = callbacks[i++];) {
            callback(env);
          }
        }
      }
    };
    var Token = _.Token = function (type, content, alias) {
      this.type = type;
      this.content = content;
      this.alias = alias;
    };
    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) {
        return _self.Prism;
      }
      _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;
    }
  }();
  if (typeof global$2 !== 'undefined') {
    global$2.Prism = Prism;
  }
  Prism.languages.markup = {
    comment: /<!--[\w\W]*?-->/,
    prolog: /<\?[\w\W]+?\?>/,
    doctype: /<!DOCTYPE[\w\W]+?>/,
    cdata: /<!\[CDATA\[[\w\W]*?]]>/i,
    tag: {
      pattern: /<\/?[^\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
  };
  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-]+/ }
    },
    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.atrule.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,
        inside: {
          tag: {
            pattern: /<style[\w\W]*?>|<\/style>/i,
            inside: Prism.languages.markup.tag.inside
          },
          rest: 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': /(["'])(\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
    '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|false|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|true|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/,
    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*($|[\r\n,.;})]))/,
      lookbehind: true
    }
  });
  Prism.languages.insertBefore('javascript', 'class-name', {
    'template-string': {
      pattern: /`(?:\\`|\\?[^`])*`/,
      inside: {
        interpolation: {
          pattern: /\$\{[^}]+\}/,
          inside: {
            'interpolation-punctuation': {
              pattern: /^\$\{|\}$/,
              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,
        inside: {
          tag: {
            pattern: /<script[\w\W]*?>|<\/script>/i,
            inside: Prism.languages.markup.tag.inside
          },
          rest: Prism.languages.javascript
        },
        alias: 'language-javascript'
      }
    });
  }
  Prism.languages.js = Prism.languages.javascript;
  Prism.languages.c = Prism.languages.extend('clike', {
    keyword: /\b(asm|typeof|inline|auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|unsigned|void|volatile|while)\b/,
    operator: /\-[>-]?|\+\+?|!=?|<<?=?|>>?=?|==?|&&?|\|?\||[~^%?*\/]/,
    number: /\b-?(?:0x[\da-f]+|\d*\.?\d+(?:e[+-]?\d+)?)[ful]*\b/i
  });
  Prism.languages.insertBefore('c', 'string', {
    macro: {
      pattern: /(^\s*)#\s*[a-z]+([^\r\n\\]|\\.|\\(?:\r\n?|\n))*/im,
      lookbehind: true,
      alias: 'property',
      inside: {
        string: {
          pattern: /(#\s*include\s*)(<.+?>|("|')(\\?.)+?\3)/,
          lookbehind: true
        }
      }
    }
  });
  delete Prism.languages.c['class-name'];
  delete Prism.languages.c.boolean;
  Prism.languages.csharp = Prism.languages.extend('clike', {
    keyword: /\b(abstract|as|async|await|base|bool|break|byte|case|catch|char|checked|class|const|continue|decimal|default|delegate|do|double|else|enum|event|explicit|extern|false|finally|fixed|float|for|foreach|goto|if|implicit|in|int|interface|internal|is|lock|long|namespace|new|null|object|operator|out|override|params|private|protected|public|readonly|ref|return|sbyte|sealed|short|sizeof|stackalloc|static|string|struct|switch|this|throw|true|try|typeof|uint|ulong|unchecked|unsafe|ushort|using|virtual|void|volatile|while|add|alias|ascending|async|await|descending|dynamic|from|get|global|group|into|join|let|orderby|partial|remove|select|set|value|var|where|yield)\b/,
    string: [
      /@("|')(\1\1|\\\1|\\?(?!\1)[\s\S])*\1/,
      /("|')(\\?.)*?\1/
    ],
    number: /\b-?(0x[\da-f]+|\d*\.?\d+)\b/i
  });
  Prism.languages.insertBefore('csharp', 'keyword', {
    preprocessor: {
      pattern: /(^\s*)#.*/m,
      lookbehind: true
    }
  });
  Prism.languages.cpp = Prism.languages.extend('c', {
    keyword: /\b(alignas|alignof|asm|auto|bool|break|case|catch|char|char16_t|char32_t|class|compl|const|constexpr|const_cast|continue|decltype|default|delete|do|double|dynamic_cast|else|enum|explicit|export|extern|float|for|friend|goto|if|inline|int|long|mutable|namespace|new|noexcept|nullptr|operator|private|protected|public|register|reinterpret_cast|return|short|signed|sizeof|static|static_assert|static_cast|struct|switch|template|this|thread_local|throw|try|typedef|typeid|typename|union|unsigned|using|virtual|void|volatile|wchar_t|while)\b/,
    boolean: /\b(true|false)\b/,
    operator: /[-+]{1,2}|!=?|<{1,2}=?|>{1,2}=?|\->|:{1,2}|={1,2}|\^|~|%|&{1,2}|\|?\||\?|\*|\/|\b(and|and_eq|bitand|bitor|not|not_eq|or|or_eq|xor|xor_eq)\b/
  });
  Prism.languages.insertBefore('cpp', 'keyword', {
    'class-name': {
      pattern: /(class\s+)[a-z0-9_]+/i,
      lookbehind: true
    }
  });
  Prism.languages.java = Prism.languages.extend('clike', {
    keyword: /\b(abstract|continue|for|new|switch|assert|default|goto|package|synchronized|boolean|do|if|private|this|break|double|implements|protected|throw|byte|else|import|public|throws|case|enum|instanceof|return|transient|catch|extends|int|short|try|char|final|interface|static|void|class|finally|long|strictfp|volatile|const|float|native|super|while)\b/,
    number: /\b0b[01]+\b|\b0x[\da-f]*\.?[\da-fp\-]+\b|\b\d*\.?\d+(?:e[+-]?\d+)?[df]?\b/i,
    operator: {
      pattern: /(^|[^.])(?:\+[+=]?|-[-=]?|!=?|<<?=?|>>?>?=?|==?|&[&=]?|\|[|=]?|\*=?|\/=?|%=?|\^=?|[?:~])/m,
      lookbehind: true
    }
  });
  Prism.languages.php = Prism.languages.extend('clike', {
    keyword: /\b(and|or|xor|array|as|break|case|cfunction|class|const|continue|declare|default|die|do|else|elseif|enddeclare|endfor|endforeach|endif|endswitch|endwhile|extends|for|foreach|function|include|include_once|global|if|new|return|static|switch|use|require|require_once|var|while|abstract|interface|public|implements|private|protected|parent|throw|null|echo|print|trait|namespace|final|yield|goto|instanceof|finally|try|catch)\b/i,
    constant: /\b[A-Z0-9_]{2,}\b/,
    comment: {
      pattern: /(^|[^\\])(?:\/\*[\w\W]*?\*\/|\/\/.*)/,
      lookbehind: true
    }
  });
  Prism.languages.insertBefore('php', 'class-name', {
    'shell-comment': {
      pattern: /(^|[^\\])#.*/,
      lookbehind: true,
      alias: 'comment'
    }
  });
  Prism.languages.insertBefore('php', 'keyword', {
    delimiter: /\?>|<\?(?:php)?/i,
    variable: /\$\w+\b/i,
    package: {
      pattern: /(\\|namespace\s+|use\s+)[\w\\]+/,
      lookbehind: true,
      inside: { punctuation: /\\/ }
    }
  });
  Prism.languages.insertBefore('php', 'operator', {
    property: {
      pattern: /(->)[\w]+/,
      lookbehind: true
    }
  });
  if (Prism.languages.markup) {
    Prism.hooks.add('before-highlight', function (env) {
      if (env.language !== 'php') {
        return;
      }
      env.tokenStack = [];
      env.backupCode = env.code;
      env.code = env.code.replace(/(?:<\?php|<\?)[\w\W]*?(?:\?>)/ig, function (match) {
        env.tokenStack.push(match);
        return '{{{PHP' + env.tokenStack.length + '}}}';
      });
    });
    Prism.hooks.add('before-insert', function (env) {
      if (env.language === 'php') {
        env.code = env.backupCode;
        delete env.backupCode;
      }
    });
    Prism.hooks.add('after-highlight', function (env) {
      if (env.language !== 'php') {
        return;
      }
      for (var i = 0, t = void 0; t = env.tokenStack[i]; i++) {
        env.highlightedCode = env.highlightedCode.replace('{{{PHP' + (i + 1) + '}}}', Prism.highlight(t, env.grammar, 'php').replace(/\$/g, '$$$$'));
      }
      env.element.innerHTML = env.highlightedCode;
    });
    Prism.hooks.add('wrap', function (env) {
      if (env.language === 'php' && env.type === 'markup') {
        env.content = env.content.replace(/(\{\{\{PHP[0-9]+\}\}\})/g, '<span class="token php">$1</span>');
      }
    });
    Prism.languages.insertBefore('php', 'comment', {
      markup: {
        pattern: /<[^?]\/?(.*?)>/,
        inside: Prism.languages.markup
      },
      php: /\{\{\{PHP[0-9]+\}\}\}/
    });
  }
  Prism.languages.python = {
    'comment': {
      pattern: /(^|[^\\])#.*/,
      lookbehind: true
    },
    'string': /"""[\s\S]+?"""|'''[\s\S]+?'''|("|')(?:\\?.)*?\1/,
    'function': {
      pattern: /((?:^|\s)def[ \t]+)[a-zA-Z_][a-zA-Z0-9_]*(?=\()/g,
      lookbehind: true
    },
    'class-name': {
      pattern: /(\bclass\s+)[a-z0-9_]+/i,
      lookbehind: true
    },
    'keyword': /\b(?:as|assert|async|await|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|pass|print|raise|return|try|while|with|yield)\b/,
    'boolean': /\b(?:True|False)\b/,
    'number': /\b-?(?:0[bo])?(?:(?:\d|0x[\da-f])[\da-f]*\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,
    'operator': /[-+%=]=?|!=|\*\*?=?|\/\/?=?|<[<=>]?|>[=>]?|[&|^~]|\b(?:or|and|not)\b/,
    'punctuation': /[{}[\];(),.:]/
  };
  (function (Prism) {
    Prism.languages.ruby = Prism.languages.extend('clike', {
      comment: /#(?!\{[^\r\n]*?\}).*/,
      keyword: /\b(alias|and|BEGIN|begin|break|case|class|def|define_method|defined|do|each|else|elsif|END|end|ensure|false|for|if|in|module|new|next|nil|not|or|raise|redo|require|rescue|retry|return|self|super|then|throw|true|undef|unless|until|when|while|yield)\b/
    });
    var interpolation = {
      pattern: /#\{[^}]+\}/,
      inside: {
        delimiter: {
          pattern: /^#\{|\}$/,
          alias: 'tag'
        },
        rest: Prism.util.clone(Prism.languages.ruby)
      }
    };
    Prism.languages.insertBefore('ruby', 'keyword', {
      regex: [
        {
          pattern: /%r([^a-zA-Z0-9\s\{\(\[<])(?:[^\\]|\\[\s\S])*?\1[gim]{0,3}/,
          inside: { interpolation: interpolation }
        },
        {
          pattern: /%r\((?:[^()\\]|\\[\s\S])*\)[gim]{0,3}/,
          inside: { interpolation: interpolation }
        },
        {
          pattern: /%r\{(?:[^#{}\\]|#(?:\{[^}]+\})?|\\[\s\S])*\}[gim]{0,3}/,
          inside: { interpolation: interpolation }
        },
        {
          pattern: /%r\[(?:[^\[\]\\]|\\[\s\S])*\][gim]{0,3}/,
          inside: { interpolation: interpolation }
        },
        {
          pattern: /%r<(?:[^<>\\]|\\[\s\S])*>[gim]{0,3}/,
          inside: { interpolation: interpolation }
        },
        {
          pattern: /(^|[^/])\/(?!\/)(\[.+?]|\\.|[^/\r\n])+\/[gim]{0,3}(?=\s*($|[\r\n,.;})]))/,
          lookbehind: true
        }
      ],
      variable: /[@$]+[a-zA-Z_][a-zA-Z_0-9]*(?:[?!]|\b)/,
      symbol: /:[a-zA-Z_][a-zA-Z_0-9]*(?:[?!]|\b)/
    });
    Prism.languages.insertBefore('ruby', 'number', {
      builtin: /\b(Array|Bignum|Binding|Class|Continuation|Dir|Exception|FalseClass|File|Stat|File|Fixnum|Fload|Hash|Integer|IO|MatchData|Method|Module|NilClass|Numeric|Object|Proc|Range|Regexp|String|Struct|TMS|Symbol|ThreadGroup|Thread|Time|TrueClass)\b/,
      constant: /\b[A-Z][a-zA-Z_0-9]*(?:[?!]|\b)/
    });
    Prism.languages.ruby.string = [
      {
        pattern: /%[qQiIwWxs]?([^a-zA-Z0-9\s\{\(\[<])(?:[^\\]|\\[\s\S])*?\1/,
        inside: { interpolation: interpolation }
      },
      {
        pattern: /%[qQiIwWxs]?\((?:[^()\\]|\\[\s\S])*\)/,
        inside: { interpolation: interpolation }
      },
      {
        pattern: /%[qQiIwWxs]?\{(?:[^#{}\\]|#(?:\{[^}]+\})?|\\[\s\S])*\}/,
        inside: { interpolation: interpolation }
      },
      {
        pattern: /%[qQiIwWxs]?\[(?:[^\[\]\\]|\\[\s\S])*\]/,
        inside: { interpolation: interpolation }
      },
      {
        pattern: /%[qQiIwWxs]?<(?:[^<>\\]|\\[\s\S])*>/,
        inside: { interpolation: interpolation }
      },
      {
        pattern: /("|')(#\{[^}]+\}|\\(?:\r?\n|\r)|\\?.)*?\1/,
        inside: { interpolation: interpolation }
      }
    ];
  }(Prism));

  function isCodeSample(elm) {
    return elm && elm.nodeName === 'PRE' && elm.className.indexOf('language-') !== -1;
  }
  function trimArg(predicateFn) {
    return function (arg1, arg2) {
      return predicateFn(arg2);
    };
  }
  var Utils = {
    isCodeSample: isCodeSample,
    trimArg: trimArg
  };

  var constant = function (value) {
    return function () {
      return value;
    };
  };
  var never = constant(false);
  var always = constant(true);

  var never$1 = never;
  var always$1 = always;
  var none = function () {
    return NONE;
  };
  var NONE = function () {
    var eq = function (o) {
      return o.isNone();
    };
    var call = function (thunk) {
      return thunk();
    };
    var id = function (n) {
      return n;
    };
    var noop = function () {
    };
    var nul = function () {
      return null;
    };
    var undef = function () {
      return undefined;
    };
    var me = {
      fold: function (n, s) {
        return n();
      },
      is: never$1,
      isSome: never$1,
      isNone: always$1,
      getOr: id,
      getOrThunk: call,
      getOrDie: function (msg) {
        throw new Error(msg || 'error: getOrDie called on none.');
      },
      getOrNull: nul,
      getOrUndefined: undef,
      or: id,
      orThunk: call,
      map: none,
      ap: none,
      each: noop,
      bind: none,
      flatten: none,
      exists: never$1,
      forall: always$1,
      filter: none,
      equals: eq,
      equals_: eq,
      toArray: function () {
        return [];
      },
      toString: constant('none()')
    };
    if (Object.freeze)
      Object.freeze(me);
    return me;
  }();
  var some = function (a) {
    var constant_a = function () {
      return a;
    };
    var self = function () {
      return me;
    };
    var map = function (f) {
      return some(f(a));
    };
    var bind = function (f) {
      return f(a);
    };
    var me = {
      fold: function (n, s) {
        return s(a);
      },
      is: function (v) {
        return a === v;
      },
      isSome: always$1,
      isNone: never$1,
      getOr: constant_a,
      getOrThunk: constant_a,
      getOrDie: constant_a,
      getOrNull: constant_a,
      getOrUndefined: constant_a,
      or: self,
      orThunk: self,
      map: map,
      ap: function (optfab) {
        return optfab.fold(none, function (fab) {
          return some(fab(a));
        });
      },
      each: function (f) {
        f(a);
      },
      bind: bind,
      flatten: constant_a,
      exists: bind,
      forall: bind,
      filter: function (f) {
        return f(a) ? me : NONE;
      },
      equals: function (o) {
        return o.is(a);
      },
      equals_: function (o, elementEq) {
        return o.fold(never$1, function (b) {
          return elementEq(a, b);
        });
      },
      toArray: function () {
        return [a];
      },
      toString: function () {
        return 'some(' + a + ')';
      }
    };
    return me;
  };
  var from = function (value) {
    return value === null || value === undefined ? NONE : some(value);
  };
  var Option = {
    some: some,
    none: none,
    from: from
  };

  var getSelectedCodeSample = function (editor) {
    var node = editor.selection ? editor.selection.getNode() : null;
    if (Utils.isCodeSample(node)) {
      return Option.some(node);
    }
    return Option.none();
  };
  var insertCodeSample = function (editor, language, code) {
    editor.undoManager.transact(function () {
      var node = getSelectedCodeSample(editor);
      code = global$1.DOM.encode(code);
      return node.fold(function () {
        editor.insertContent('<pre id="__new" class="language-' + language + '">' + code + '</pre>');
        editor.selection.select(editor.$('#__new').removeAttr('id')[0]);
      }, function (n) {
        editor.dom.setAttrib(n, 'class', 'language-' + language);
        n.innerHTML = code;
        Prism.highlightElement(n);
        editor.selection.select(n);
      });
    });
  };
  var getCurrentCode = function (editor) {
    var node = getSelectedCodeSample(editor);
    return node.fold(function () {
      return '';
    }, function (n) {
      return n.textContent;
    });
  };
  var CodeSample = {
    getSelectedCodeSample: getSelectedCodeSample,
    insertCodeSample: insertCodeSample,
    getCurrentCode: getCurrentCode
  };

  var getLanguages = function (editor) {
    return editor.settings.codesample_languages;
  };
  var Settings = { getLanguages: getLanguages };

  var getLanguages$1 = function (editor) {
    var defaultLanguages = [
      {
        text: 'HTML/XML',
        value: 'markup'
      },
      {
        text: 'JavaScript',
        value: 'javascript'
      },
      {
        text: 'CSS',
        value: 'css'
      },
      {
        text: 'PHP',
        value: 'php'
      },
      {
        text: 'Ruby',
        value: 'ruby'
      },
      {
        text: 'Python',
        value: 'python'
      },
      {
        text: 'Java',
        value: 'java'
      },
      {
        text: 'C',
        value: 'c'
      },
      {
        text: 'C#',
        value: 'csharp'
      },
      {
        text: 'C++',
        value: 'cpp'
      }
    ];
    var customLanguages = Settings.getLanguages(editor);
    return customLanguages ? customLanguages : defaultLanguages;
  };
  var getCurrentLanguage = function (editor, fallback) {
    var node = CodeSample.getSelectedCodeSample(editor);
    return node.fold(function () {
      return fallback;
    }, function (n) {
      var matches = n.className.match(/language-(\w+)/);
      return matches ? matches[1] : fallback;
    });
  };
  var Languages = {
    getLanguages: getLanguages$1,
    getCurrentLanguage: getCurrentLanguage
  };

  var typeOf = function (x) {
    if (x === null)
      return 'null';
    var t = typeof x;
    if (t === 'object' && Array.prototype.isPrototypeOf(x))
      return 'array';
    if (t === 'object' && String.prototype.isPrototypeOf(x))
      return 'string';
    return t;
  };
  var isType = function (type) {
    return function (value) {
      return typeOf(value) === type;
    };
  };
  var isFunction = isType('function');

  var slice = Array.prototype.slice;
  var head = function (xs) {
    return xs.length === 0 ? Option.none() : Option.some(xs[0]);
  };
  var from$1 = isFunction(Array.from) ? Array.from : function (x) {
    return slice.call(x);
  };

  var open = function (editor) {
    var languages = Languages.getLanguages(editor);
    var defaultLanguage = head(languages).fold(function () {
      return '';
    }, function (l) {
      return l.value;
    });
    var currentLanguage = Languages.getCurrentLanguage(editor, defaultLanguage);
    var currentCode = CodeSample.getCurrentCode(editor);
    editor.windowManager.open({
      title: 'Insert/Edit Code Sample',
      size: 'large',
      body: {
        type: 'panel',
        items: [
          {
            type: 'selectbox',
            name: 'language',
            label: 'Language',
            items: languages
          },
          {
            type: 'textarea',
            name: 'code',
            label: 'Code view'
          }
        ]
      },
      buttons: [
        {
          type: 'cancel',
          name: 'cancel',
          text: 'Cancel'
        },
        {
          type: 'submit',
          name: 'save',
          text: 'Save',
          primary: true
        }
      ],
      initialData: {
        language: currentLanguage,
        code: currentCode
      },
      onSubmit: function (api) {
        var data = api.getData();
        CodeSample.insertCodeSample(editor, data.language, data.code);
        api.close();
      }
    });
  };
  var Dialog = { open: open };

  var register = function (editor) {
    editor.addCommand('codesample', function () {
      var node = editor.selection.getNode();
      if (editor.selection.isCollapsed() || Utils.isCodeSample(node)) {
        Dialog.open(editor);
      } else {
        editor.formatter.toggle('code');
      }
    });
  };
  var Commands = { register: register };

  var setup = function (editor) {
    var $ = editor.$;
    editor.on('PreProcess', function (e) {
      $('pre[contenteditable=false]', e.node).filter(Utils.trimArg(Utils.isCodeSample)).each(function (idx, elm) {
        var $elm = $(elm), code = elm.textContent;
        $elm.attr('class', $.trim($elm.attr('class')));
        $elm.removeAttr('contentEditable');
        $elm.empty().append($('<code></code>').each(function () {
          this.textContent = code;
        }));
      });
    });
    editor.on('SetContent', function () {
      var unprocessedCodeSamples = $('pre').filter(Utils.trimArg(Utils.isCodeSample)).filter(function (idx, elm) {
        return elm.contentEditable !== 'false';
      });
      if (unprocessedCodeSamples.length) {
        editor.undoManager.transact(function () {
          unprocessedCodeSamples.each(function (idx, elm) {
            $(elm).find('br').each(function (idx, elm) {
              elm.parentNode.replaceChild(editor.getDoc().createTextNode('\n'), elm);
            });
            elm.contentEditable = false;
            elm.innerHTML = editor.dom.encode(elm.textContent);
            Prism.highlightElement(elm);
            elm.className = $.trim(elm.className);
          });
        });
      }
    });
  };
  var FilterContent = { setup: setup };

  var isCodeSampleSelection = function (editor) {
    var node = editor.selection.getStart();
    return editor.dom.is(node, 'pre.language-markup');
  };
  var register$1 = function (editor) {
    editor.ui.registry.addToggleButton('codesample', {
      icon: 'code-sample',
      tooltip: 'Insert/edit code sample',
      onAction: function () {
        return Dialog.open(editor);
      },
      onSetup: function (api) {
        var nodeChangeHandler = function () {
          api.setActive(isCodeSampleSelection(editor));
        };
        editor.on('nodeChange', nodeChangeHandler);
        return function () {
          return editor.off('nodeChange', nodeChangeHandler);
        };
      }
    });
    editor.ui.registry.addMenuItem('codesample', {
      text: 'Code sample...',
      icon: 'code-sample',
      onAction: function () {
        return Dialog.open(editor);
      }
    });
  };
  var Buttons = { register: register$1 };

  global.add('codesample', function (editor, pluginUrl) {
    FilterContent.setup(editor);
    Buttons.register(editor);
    Commands.register(editor);
    editor.on('dblclick', function (ev) {
      if (Utils.isCodeSample(ev.target)) {
        Dialog.open(editor);
      }
    });
  });
  function Plugin () {
  }

  return Plugin;

}(window));
})();