GPQAPP

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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  if (typeof exports == "object" && typeof module == "object") // CommonJS
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    mod(require("../../lib/codemirror"));
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  else if (typeof define == "function" && define.amd) // AMD
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    define(["../../lib/codemirror"], mod);
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  else // Plain browser env
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    mod(CodeMirror);
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})(function(CodeMirror) {
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  "use strict";
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  function wordRegexp(words) {
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    return new RegExp("^((" + words.join(")|(") + "))\\b", "i");
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  };
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  var keywordArray = [
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    "package", "message", "import", "syntax",
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    "required", "optional", "repeated", "reserved", "default", "extensions", "packed",
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    "bool", "bytes", "double", "enum", "float", "string",
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    "int32", "int64", "uint32", "uint64", "sint32", "sint64", "fixed32", "fixed64", "sfixed32", "sfixed64",
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    "option", "service", "rpc", "returns"
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  ];
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  var keywords = wordRegexp(keywordArray);
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  CodeMirror.registerHelper("hintWords", "protobuf", keywordArray);
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  var identifiers = new RegExp("^[_A-Za-z\xa1-\uffff][_A-Za-z0-9\xa1-\uffff]*");
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  function tokenBase(stream) {
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    // whitespaces
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    if (stream.eatSpace()) return null;
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    // Handle one line Comments
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    if (stream.match("//")) {
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      stream.skipToEnd();
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      return "comment";
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    }
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    // Handle Number Literals
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    if (stream.match(/^[0-9\.+-]/, false)) {
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      if (stream.match(/^[+-]?0x[0-9a-fA-F]+/))
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        return "number";
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      if (stream.match(/^[+-]?\d*\.\d+([EeDd][+-]?\d+)?/))
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        return "number";
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      if (stream.match(/^[+-]?\d+([EeDd][+-]?\d+)?/))
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        return "number";
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    }
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    // Handle Strings
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    if (stream.match(/^"([^"]|(""))*"/)) { return "string"; }
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    if (stream.match(/^'([^']|(''))*'/)) { return "string"; }
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    // Handle words
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    if (stream.match(keywords)) { return "keyword"; }
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    if (stream.match(identifiers)) { return "variable"; } ;
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    // Handle non-detected items
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    stream.next();
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    return null;
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  };
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  CodeMirror.defineMode("protobuf", function() {
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    return {
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      token: tokenBase,
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      fold: "brace"
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    };
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  });
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  CodeMirror.defineMIME("text/x-protobuf", "protobuf");
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});
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