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protobuf.js (2156B)

      1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
      2 // Distributed under an MIT license: http://codemirror.net/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   function wordRegexp(words) {
     15     return new RegExp("^((" + words.join(")|(") + "))\\b", "i");
     16   };
     17 
     18   var keywordArray = [
     19     "package", "message", "import", "syntax",
     20     "required", "optional", "repeated", "reserved", "default", "extensions", "packed",
     21     "bool", "bytes", "double", "enum", "float", "string",
     22     "int32", "int64", "uint32", "uint64", "sint32", "sint64", "fixed32", "fixed64", "sfixed32", "sfixed64",
     23     "option", "service", "rpc", "returns"
     24   ];
     25   var keywords = wordRegexp(keywordArray);
     26 
     27   CodeMirror.registerHelper("hintWords", "protobuf", keywordArray);
     28 
     29   var identifiers = new RegExp("^[_A-Za-z\xa1-\uffff][_A-Za-z0-9\xa1-\uffff]*");
     30 
     31   function tokenBase(stream) {
     32     // whitespaces
     33     if (stream.eatSpace()) return null;
     34 
     35     // Handle one line Comments
     36     if (stream.match("//")) {
     37       stream.skipToEnd();
     38       return "comment";
     39     }
     40 
     41     // Handle Number Literals
     42     if (stream.match(/^[0-9\.+-]/, false)) {
     43       if (stream.match(/^[+-]?0x[0-9a-fA-F]+/))
     44         return "number";
     45       if (stream.match(/^[+-]?\d*\.\d+([EeDd][+-]?\d+)?/))
     46         return "number";
     47       if (stream.match(/^[+-]?\d+([EeDd][+-]?\d+)?/))
     48         return "number";
     49     }
     50 
     51     // Handle Strings
     52     if (stream.match(/^"([^"]|(""))*"/)) { return "string"; }
     53     if (stream.match(/^'([^']|(''))*'/)) { return "string"; }
     54 
     55     // Handle words
     56     if (stream.match(keywords)) { return "keyword"; }
     57     if (stream.match(identifiers)) { return "variable"; } ;
     58 
     59     // Handle non-detected items
     60     stream.next();
     61     return null;
     62   };
     63 
     64   CodeMirror.defineMode("protobuf", function() {
     65     return {token: tokenBase};
     66   });
     67 
     68   CodeMirror.defineMIME("text/x-protobuf", "protobuf");
     69 });