verse/verse-javascript

/*
 * Verse Websocket Asynchronous Module 
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2013-2014 Jiri Vrany, Jiri Hnidek
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

/* globals ArrayBuffer, define */

define(function() {
    'use strict';

    var command;

    /*
     * Abstract command array buffer
     */
    command = {

        /*
         * basic mesage template
         * @param opcode int
         * @param length int
         */
        template: function(length, opCode) {
            var buf, view;

            buf = new ArrayBuffer(length);
            view = new DataView(buf);
            /* first byte - op code*/
            view.setUint8(0, opCode);
            /* second byte - command length */
            view.setUint8(1, length);

            return buf;
        }
    };

    return command;

});