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[protobuf mode] Add
Closes codemirror#3861
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‎mode/protobuf/index.html‎

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<!doctype html>
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<title>CodeMirror: ProtoBuf mode</title>
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<meta charset="utf-8"/>
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<link rel=stylesheet href="../../doc/docs.css">
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<link rel="stylesheet" href="../../lib/codemirror.css">
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<script src="../../lib/codemirror.js"></script>
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<script src="protobuf.js"></script>
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<style>.CodeMirror { border-top: 1px solid #ddd; border-bottom: 1px solid #ddd; }</style>
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<div id=nav>
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<a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>
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<ul>
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<li><a href="../../index.html">Home</a>
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<li><a href="../../doc/manual.html">Manual</a>
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<li><a href="https://github.com/codemirror/codemirror">Code</a>
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</ul>
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<ul>
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<li><a href="../index.html">Language modes</a>
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<li><a class=active href="#">ProtoBuf</a>
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</ul>
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</div>
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<article>
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<h2>ProtoBuf mode</h2>
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<form><textarea id="code" name="code">
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package addressbook;
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message Address {
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required string street = 1;
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required string postCode = 2;
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}
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message PhoneNumber {
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required string number = 1;
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}
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message Person {
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optional int32 id = 1;
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required string name = 2;
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required string surname = 3;
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optional Address address = 4;
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repeated PhoneNumber phoneNumbers = 5;
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optional uint32 age = 6;
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repeated uint32 favouriteNumbers = 7;
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optional string license = 8;
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enum Gender {
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MALE = 0;
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FEMALE = 1;
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}
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optional Gender gender = 9;
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optional fixed64 lastUpdate = 10;
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required bool deleted = 11 [default = false];
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}
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</textarea></form>
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<script>
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {});
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</script>
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<p><strong>MIME types defined:</strong> <code>text/x-protobuf</code>.</p>
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</article>

‎mode/protobuf/protobuf.js‎

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://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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];
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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: function(stream) {
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return tokenBase(stream);
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}
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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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