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 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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define(function (require, exports, module) {
    "use strict";

    var oop = require("../lib/oop");
    var TextMode = require("./text").Mode;
    var CssHighlightRules = require("./css_highlight_rules").CssHighlightRules;
    var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
    var WorkerClient = require("../worker/worker_client").WorkerClient;
    var CssCompletions = require("./css_completions").CssCompletions;
    var CssBehaviour = require("./behaviour/css").CssBehaviour;
    var CStyleFoldMode = require("./folding/cstyle").FoldMode;

    var Mode = function () {
        this.HighlightRules = CssHighlightRules;
        this.$outdent = new MatchingBraceOutdent();
        this.$behaviour = new CssBehaviour();
        this.$completer = new CssCompletions();
        this.foldingRules = new CStyleFoldMode();
    };
    oop.inherits(Mode, TextMode);

    (function () {

        this.foldingRules = "cStyle";
        this.blockComment = {start: "/*", end: "*/"};

        this.getNextLineIndent = function (state, line, tab) {
            var indent = this.$getIndent(line);

            // ignore braces in comments
            var tokens = this.getTokenizer().getLineTokens(line, state).tokens;
            if (tokens.length && tokens[tokens.length - 1].type == "comment") {
                return indent;
            }

            var match = line.match(/^.*\{\s*$/);
            if (match) {
                indent += tab;
            }

            return indent;
        };

        this.checkOutdent = function (state, line, input) {
            return this.$outdent.checkOutdent(line, input);
        };

        this.autoOutdent = function (state, doc, row) {
            this.$outdent.autoOutdent(doc, row);
        };

        this.getCompletions = function (state, session, pos, prefix) {
            return this.$completer.getCompletions(state, session, pos, prefix);
        };

        this.createWorker = function (session) {
            var worker = new WorkerClient(["ace"], "ace/mode/css_worker", "Worker");
            worker.attachToDocument(session.getDocument());

            worker.on("annotate", function (e) {
                session.setAnnotations(e.data);
            });

            worker.on("terminate", function () {
                session.clearAnnotations();
            });

            return worker;
        };

        this.$id = "ace/mode/css";
    }).call(Mode.prototype);

    exports.Mode = Mode;

});
