/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* 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 Nokia Corporation 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.

* 

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

using System;

using System.Collections.Generic;

using System.Text;

namespace HeapLib.Reconstructor.RHeap.Extractor

{

    internal class RawItemPrecursor

    {

        #region Constructors & destructor

        public RawItemPrecursor()

        {

        }

        #endregion

        #region API

        public void ConvertBytesToCharacters()

        {

            for ( int i = 0; i <= 3; i++ )

            {

                uint b = Bytes[ i ];

                char c = System.Convert.ToChar( b );

                //

                SetCharValue( c, i );

            }

        }

        public void SetCharValue( char aValue, int aIndex )

        {

            if ( aIndex < 0 || aIndex > 3 )

            {

                throw new ArgumentException( "Invalid index" );

            }

            int charCode = (int) aValue;

            if ( charCode >= 0x20 && charCode < 0x7F )

            {

                Chars[ aIndex ] = aValue;

            }

            else

            {

                Chars[ aIndex ] = '.';

            }

        }

        #endregion

        #region Properties

        public uint[] Bytes 

        {

            get { return iBytes; }

        }

        public uint ByteValue

        {

            get

            {

                uint ret = 0;

                //

                ret += ( iBytes[ 0 ] );

                ret += ( iBytes[ 1 ] << 8 );

                ret += ( iBytes[ 2 ] << 16 );

                ret += ( iBytes[ 3 ] << 24 );

                //

                return ret;

            }

        }

        public uint ByteValueReversed

        {

            get

            {

                uint ret = 0;

                //

                ret += ( iBytes[ 3 ] );

                ret += ( iBytes[ 2 ] << 8 );

                ret += ( iBytes[ 1 ] << 16 );

                ret += ( iBytes[ 0 ] << 24 );

                //

                return ret;

            }

        }

        public char[] Chars

        {

            get { return iChars; }

            set { iChars = value; }

        }

        public string CharValue

        {

            get

            {

                StringBuilder ret = new StringBuilder();

                //

                foreach ( char c in iChars )

                {

                    ret.Append( c );

                }

                //

                return ret.ToString();

            }

        }

        public string CharValueReversed

        {

            get

            {

                StringBuilder ret = new StringBuilder();

                //

                foreach ( char c in iChars )

                {

                    ret.Insert( 0, c );

                }

                //

                return ret.ToString();

            }

        }

        #endregion

        #region Internal methods

        #endregion

        #region Data members

        private uint[] iBytes = new uint[] { 0, 0, 0, 0 };

        private char[] iChars = new char[] { '.', '.', '.', '.' };

        #endregion

    }

}