/source/library/Interlace/Amf/AmfArray.cs

#region Using Directives and Copyright Notice



// Copyright (c) 2007-2010, Computer Consultancy Pty Ltd

// 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 the Computer Consultancy Pty Ltd 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 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 

// ARE DISCLAIMED. IN NO EVENT SHALL COMPUTER CONSULTANCY PTY LTD BE LIABLE 

// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 

// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 

// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 

// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 

// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 

// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH

// DAMAGE.



using System;

using System.Collections.Generic;

using System.Text;



#endregion



namespace Interlace.Amf

{

    public class AmfArray

    {

        List<object> _denseElements;

        Dictionary<string, object> _associativeElements;



        public AmfArray()

        {

            _denseElements = new List<object>();

            _associativeElements = new Dictionary<string, object>();

        }



        public AmfArray(IEnumerable<object> denseElements, IDictionary<string, object> associativeElements)

        {

            _denseElements = new List<object>(denseElements);

            _associativeElements = new Dictionary<string, object>(associativeElements);

        }



        public AmfArray(IEnumerable<object> denseElements)

        {

            _denseElements = new List<object>(denseElements);

            _associativeElements = new Dictionary<string, object>();

        }



        public static AmfArray Dense(params object[] elements)

        {

            return new AmfArray(elements);

        }



        public object this[string indexString]

        {

            get 

            {

                int index;



                if (int.TryParse(indexString, out index))

                {

                    if (0 <= index && index < _denseElements.Count)

                    {

                        return _denseElements[index];

                    }

                }



                return _associativeElements[indexString];

            }



            set

            {

                int index;



                if (int.TryParse(indexString, out index))

                {

                    if (0 <= index && index < _denseElements.Count)

                    {

                        _denseElements[index] = value;

                    }

                }



                _associativeElements[indexString] = value;

            }

        }



        public object this[int index]

        {

            get 

            {

                if (0 <= index && index < _denseElements.Count)

                {

                    return _denseElements[index];

                }



                return _associativeElements[index.ToString()];

            }

            set

            {

                if (0 <= index && index < _denseElements.Count)

                {

                    _denseElements[index] = value;

                }

                else if (index == _denseElements.Count)

                {

                    _denseElements.Add(value);

                }

                else

                {

                    _associativeElements[index.ToString()] = value;

                }

            }

        }



        public IList<object> DenseElements

        { 	 

           get { return _denseElements; }

        }



        public IDictionary<string, object> AssociativeElements

        { 	 

           get { return _associativeElements; }

        }



        public bool IsEmpty

        {

            get { return _associativeElements.Count == 0 && _denseElements.Count == 0; }

        }

    }

}