text: // CodeMirror, copyright (c) by Marijn Haverbeke and others
  // Distributed under an MIT license: https://codemirror.net/LICENSE
  
  /***
      |''Name''|tiddlywiki.js|
      |''Description''|Enables TiddlyWikiy syntax highlighting using CodeMirror|
      |''Author''|PMario|
      |''Version''|0.1.7|
      |''Status''|''stable''|
      |''Source''|[[GitHub|https://github.com/pmario/CodeMirror2/blob/tw-syntax/mode/tiddlywiki]]|
      |''Documentation''|https://codemirror.tiddlyspace.com/|
      |''License''|[[MIT License|http://www.opensource.org/licenses/mit-license.php]]|
      |''CoreVersion''|2.5.0|
      |''Requires''|codemirror.js|
      |''Keywords''|syntax highlighting color code mirror codemirror|
      ! Info
      CoreVersion parameter is needed for TiddlyWiki only!
  ***/
  
  (function(mod) {
    if (typeof exports == "object" && typeof module == "object") // CommonJS
      mod(require("../../lib/codemirror"));
    else if (typeof define == "function" && define.amd) // AMD
      define(["../../lib/codemirror"], mod);
    else // Plain browser env
      mod(CodeMirror);
  })(function(CodeMirror) {
  "use strict";
  
  CodeMirror.defineMode("tiddlywiki", function () {
    // Tokenizer
    var textwords = {};
  
    var keywords = {
      "allTags": true, "closeAll": true, "list": true,
      "newJournal": true, "newTiddler": true,
      "permaview": true, "saveChanges": true,
      "search": true, "slider": true, "tabs": true,
      "tag": true, "tagging": true, "tags": true,
      "tiddler": true, "timeline": true,
      "today": true, "version": true, "option": true,
      "with": true, "filter": true
    };
  
    var isSpaceName = /[\w_\-]/i,
        reHR = /^\-\-\-\-+$/,                                 // <hr>
        reWikiCommentStart = /^\/\*\*\*$/,            // /***
        reWikiCommentStop = /^\*\*\*\/$/,             // ***/
        reBlockQuote = /^<<<$/,
  
        reJsCodeStart = /^\/\/\{\{\{$/,                       // //{{{ js block start
        reJsCodeStop = /^\/\/\}\}\}$/,                        // //}}} js stop
        reXmlCodeStart = /^<!--\{\{\{-->$/,           // xml block start
        reXmlCodeStop = /^<!--\}\}\}-->$/,            // xml stop
  
        reCodeBlockStart = /^\{\{\{$/,                        // {{{ TW text div block start
        reCodeBlockStop = /^\}\}\}$/,                 // }}} TW text stop
  
        reUntilCodeStop = /.*?\}\}\}/;
  
    function chain(stream, state, f) {
      state.tokenize = f;
      return f(stream, state);
    }
  
    function tokenBase(stream, state) {
      var sol = stream.sol(), ch = stream.peek();
  
      state.block = false;        // indicates the start of a code block.
  
      // check start of  blocks
      if (sol && /[<\/\*{}\-]/.test(ch)) {
        if (stream.match(reCodeBlockStart)) {
          state.block = true;
          return chain(stream, state, twTokenCode);
        }
        if (stream.match(reBlockQuote))
          return 'quote';
        if (stream.match(reWikiCommentStart) || stream.match(reWikiCommentStop))
          return 'comment';
        if (stream.match(reJsCodeStart) || stream.match(reJsCodeStop) || stream.match(reXmlCodeStart) || stream.match(reXmlCodeStop))
          return 'comment';
        if (stream.match(reHR))
          return 'hr';
      }
  
      stream.next();
      if (sol && /[\/\*!#;:>|]/.test(ch)) {
        if (ch == "!") { // tw header
          stream.skipToEnd();
          return "header";
        }
        if (ch == "*") { // tw list
          stream.eatWhile('*');
          return "comment";
        }
        if (ch == "#") { // tw numbered list
          stream.eatWhile('#');
          return "comment";
        }
        if (ch == ";") { // definition list, term
          stream.eatWhile(';');
          return "comment";
        }
        if (ch == ":") { // definition list, description
          stream.eatWhile(':');
          return "comment";
        }
        if (ch == ">") { // single line quote
          stream.eatWhile(">");
          return "quote";
        }
        if (ch == '|')
          return 'header';
      }
  
      if (ch == '{' && stream.match(/\{\{/))
        return chain(stream, state, twTokenCode);
  
      // rudimentary html:// file:// link matching. TW knows much more ...
      if (/[hf]/i.test(ch) &&
          /[ti]/i.test(stream.peek()) &&
          stream.match(/\b(ttps?|tp|ile):\/\/[\-A-Z0-9+&@#\/%?=~_|$!:,.;]*[A-Z0-9+&@#\/%=~_|$]/i))
        return "link";
  
      // just a little string indicator, don't want to have the whole string covered
      if (ch == '"')
        return 'string';
  
      if (ch == '~')    // _no_ CamelCase indicator should be bold
        return 'brace';
  
      if (/[\[\]]/.test(ch) && stream.match(ch)) // check for [[..]]
        return 'brace';
  
      if (ch == "@") {    // check for space link. TODO fix @@...@@ highlighting
        stream.eatWhile(isSpaceName);
        return "link";
      }
  
      if (/\d/.test(ch)) {        // numbers
        stream.eatWhile(/\d/);
        return "number";
      }
  
      if (ch == "/") { // tw invisible comment
        if (stream.eat("%")) {
          return chain(stream, state, twTokenComment);
        } else if (stream.eat("/")) { //
          return chain(stream, state, twTokenEm);
        }
      }
  
      if (ch == "_" && stream.eat("_")) // tw underline
          return chain(stream, state, twTokenUnderline);
  
      // strikethrough and mdash handling
      if (ch == "-" && stream.eat("-")) {
        // if strikethrough looks ugly, change CSS.
        if (stream.peek() != ' ')
          return chain(stream, state, twTokenStrike);
        // mdash
        if (stream.peek() == ' ')
          return 'brace';
      }
  
      if (ch == "'" && stream.eat("'")) // tw bold
        return chain(stream, state, twTokenStrong);
  
      if (ch == "<" && stream.eat("<")) // tw macro
        return chain(stream, state, twTokenMacro);
  
      // core macro handling
      stream.eatWhile(/[\w\$_]/);
      return textwords.propertyIsEnumerable(stream.current()) ? "keyword" : null
    }
  
    // tw invisible comment
    function twTokenComment(stream, state) {
      var maybeEnd = false, ch;
      while (ch = stream.next()) {
        if (ch == "/" && maybeEnd) {
          state.tokenize = tokenBase;
          break;
        }
        maybeEnd = (ch == "%");
      }
      return "comment";
    }
  
    // tw strong / bold
    function twTokenStrong(stream, state) {
      var maybeEnd = false,
      ch;
      while (ch = stream.next()) {
        if (ch == "'" && maybeEnd) {
          state.tokenize = tokenBase;
          break;
        }
        maybeEnd = (ch == "'");
      }
      return "strong";
    }
  
    // tw code
    function twTokenCode(stream, state) {
      var sb = state.block;
  
      if (sb && stream.current()) {
        return "comment";
      }
  
      if (!sb && stream.match(reUntilCodeStop)) {
        state.tokenize = tokenBase;
        return "comment";
      }
  
      if (sb && stream.sol() && stream.match(reCodeBlockStop)) {
        state.tokenize = tokenBase;
        return "comment";
      }
  
      stream.next();
      return "comment";
    }
  
    // tw em / italic
    function twTokenEm(stream, state) {
      var maybeEnd = false,
      ch;
      while (ch = stream.next()) {
        if (ch == "/" && maybeEnd) {
          state.tokenize = tokenBase;
          break;
        }
        maybeEnd = (ch == "/");
      }
      return "em";
    }
  
    // tw underlined text
    function twTokenUnderline(stream, state) {
      var maybeEnd = false,
      ch;
      while (ch = stream.next()) {
        if (ch == "_" && maybeEnd) {
          state.tokenize = tokenBase;
          break;
        }
        maybeEnd = (ch == "_");
      }
      return "underlined";
    }
  
    // tw strike through text looks ugly
    // change CSS if needed
    function twTokenStrike(stream, state) {
      var maybeEnd = false, ch;
  
      while (ch = stream.next()) {
        if (ch == "-" && maybeEnd) {
          state.tokenize = tokenBase;
          break;
        }
        maybeEnd = (ch == "-");
      }
      return "strikethrough";
    }
  
    // macro
    function twTokenMacro(stream, state) {
      if (stream.current() == '<<') {
        return 'macro';
      }
  
      var ch = stream.next();
      if (!ch) {
        state.tokenize = tokenBase;
        return null;
      }
      if (ch == ">") {
        if (stream.peek() == '>') {
          stream.next();
          state.tokenize = tokenBase;
          return "macro";
        }
      }
  
      stream.eatWhile(/[\w\$_]/);
      return keywords.propertyIsEnumerable(stream.current()) ? "keyword" : null
    }
  
    // Interfaces
    return {
      startState: function () {
        return {tokenize: tokenBase};
      },
  
      token: function (stream, state) {
        if (stream.eatSpace()) return null;
        var style = state.tokenize(stream, state);
        return style;
      }
    };
  });
  
  CodeMirror.defineMIME("text/x-tiddlywiki", "tiddlywiki");
  });
  