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   1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
   2  // Distributed under an MIT license: https://codemirror.net/5/LICENSE
   3  
   4  (function(mod) {
   5    if (typeof exports == "object" && typeof module == "object") // CommonJS
   6      mod(require("../../lib/codemirror"));
   7    else if (typeof define == "function" && define.amd) // AMD
   8      define(["../../lib/codemirror"], mod);
   9    else // Plain browser env
  10      mod(CodeMirror);
  11  })(function(CodeMirror) {
  12    "use strict";
  13  
  14    CodeMirror.defineMode("jinja2", function() {
  15      var keywords = ["and", "as", "block", "endblock", "by", "cycle", "debug", "else", "elif",
  16        "extends", "filter", "endfilter", "firstof", "for",
  17        "endfor", "if", "endif", "ifchanged", "endifchanged",
  18        "ifequal", "endifequal", "ifnotequal",
  19        "endifnotequal", "in", "include", "load", "not", "now", "or",
  20        "parsed", "regroup", "reversed", "spaceless",
  21        "endspaceless", "ssi", "templatetag", "openblock",
  22        "closeblock", "openvariable", "closevariable",
  23        "openbrace", "closebrace", "opencomment",
  24        "closecomment", "widthratio", "url", "with", "endwith",
  25        "get_current_language", "trans", "endtrans", "noop", "blocktrans",
  26        "endblocktrans", "get_available_languages",
  27        "get_current_language_bidi", "plural"],
  28      operator = /^[+\-*&%=<>!?|~^]/,
  29      sign = /^[:\[\(\{]/,
  30      atom = ["true", "false"],
  31      number = /^(\d[+\-\*\/])?\d+(\.\d+)?/;
  32  
  33      keywords = new RegExp("((" + keywords.join(")|(") + "))\\b");
  34      atom = new RegExp("((" + atom.join(")|(") + "))\\b");
  35  
  36      function tokenBase (stream, state) {
  37        var ch = stream.peek();
  38  
  39        //Comment
  40        if (state.incomment) {
  41          if(!stream.skipTo("#}")) {
  42            stream.skipToEnd();
  43          } else {
  44            stream.eatWhile(/\#|}/);
  45            state.incomment = false;
  46          }
  47          return "comment";
  48        //Tag
  49        } else if (state.intag) {
  50          //After operator
  51          if(state.operator) {
  52            state.operator = false;
  53            if(stream.match(atom)) {
  54              return "atom";
  55            }
  56            if(stream.match(number)) {
  57              return "number";
  58            }
  59          }
  60          //After sign
  61          if(state.sign) {
  62            state.sign = false;
  63            if(stream.match(atom)) {
  64              return "atom";
  65            }
  66            if(stream.match(number)) {
  67              return "number";
  68            }
  69          }
  70  
  71          if(state.instring) {
  72            if(ch == state.instring) {
  73              state.instring = false;
  74            }
  75            stream.next();
  76            return "string";
  77          } else if(ch == "'" || ch == '"') {
  78            state.instring = ch;
  79            stream.next();
  80            return "string";
  81          } else if(stream.match(state.intag + "}") || stream.eat("-") && stream.match(state.intag + "}")) {
  82            state.intag = false;
  83            return "tag";
  84          } else if(stream.match(operator)) {
  85            state.operator = true;
  86            return "operator";
  87          } else if(stream.match(sign)) {
  88            state.sign = true;
  89          } else {
  90            if(stream.eat(" ") || stream.sol()) {
  91              if(stream.match(keywords)) {
  92                return "keyword";
  93              }
  94              if(stream.match(atom)) {
  95                return "atom";
  96              }
  97              if(stream.match(number)) {
  98                return "number";
  99              }
 100              if(stream.sol()) {
 101                stream.next();
 102              }
 103            } else {
 104              stream.next();
 105            }
 106  
 107          }
 108          return "variable";
 109        } else if (stream.eat("{")) {
 110          if (stream.eat("#")) {
 111            state.incomment = true;
 112            if(!stream.skipTo("#}")) {
 113              stream.skipToEnd();
 114            } else {
 115              stream.eatWhile(/\#|}/);
 116              state.incomment = false;
 117            }
 118            return "comment";
 119          //Open tag
 120          } else if (ch = stream.eat(/\{|%/)) {
 121            //Cache close tag
 122            state.intag = ch;
 123            if(ch == "{") {
 124              state.intag = "}";
 125            }
 126            stream.eat("-");
 127            return "tag";
 128          }
 129        }
 130        stream.next();
 131      };
 132  
 133      return {
 134        startState: function () {
 135          return {tokenize: tokenBase};
 136        },
 137        token: function (stream, state) {
 138          return state.tokenize(stream, state);
 139        },
 140        blockCommentStart: "{#",
 141        blockCommentEnd: "#}"
 142      };
 143    });
 144  
 145    CodeMirror.defineMIME("text/jinja2", "jinja2");
 146  });