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 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 * 
 * 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.
 *     * Neither the name of Ajax.org B.V. nor the
 *       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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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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define(function (require, exports, module) {
    "use strict";

    var TokenIterator = require("../token_iterator").TokenIterator;

    var keywords = [
        "abstract", "as", "base", "bool",
        "break", "byte", "case", "catch",
        "char", "checked", "class", "const",
        "continue", "decimal", "default", "delegate",
        "do", "double", "else", "enum",
        "event", "explicit", "extern", "false",
        "finally", "fixed", "float", "for",
        "foreach", "goto", "if", "implicit",
        "in", "int", "interface", "internal",
        "is", "lock", "long", "namespace",
        "new", "null", "object", "operator",
        "out", "override", "params", "private",
        "protected", "public", "readonly", "ref",
        "return", "sbyte", "sealed", "short",
        "sizeof", "stackalloc", "static", "string",
        "struct", "switch", "this", "throw",
        "true", "try", "typeof", "uint",
        "ulong", "unchecked", "unsafe", "ushort",
        "using", "var", "virtual", "void",
        "volatile", "while"];

    var shortHands = [
        "Html", "Model", "Url", "Layout"
    ];

    var RazorCompletions = function () {

    };

    (function () {

        this.getCompletions = function (state, session, pos, prefix) {

            if (state.lastIndexOf("razor-short-start") == -1 && state.lastIndexOf("razor-block-start") == -1)
                return [];

            var token = session.getTokenAt(pos.row, pos.column);
            if (!token)
                return [];

            if (state.lastIndexOf("razor-short-start") != -1) {
                return this.getShortStartCompletions(state, session, pos, prefix);
            }

            if (state.lastIndexOf("razor-block-start") != -1) {
                return this.getKeywordCompletions(state, session, pos, prefix);
            }


        };

        this.getShortStartCompletions = function (state, session, pos, prefix) {
            return shortHands.map(function (element) {
                return {
                    value: element,
                    meta: "keyword",
                    score: Number.MAX_VALUE
                };
            });
        };

        this.getKeywordCompletions = function (state, session, pos, prefix) {
            return shortHands.concat(keywords).map(function (element) {
                return {
                    value: element,
                    meta: "keyword",
                    score: Number.MAX_VALUE
                };
            });
        };

    }).call(RazorCompletions.prototype);

    exports.RazorCompletions = RazorCompletions;

});
