/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

* 

* Description:

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using System.IO;

using SymbianUtils.Tracer;

using SymbianUtils.Streams;

using SymbianStructuresLib.Uids;

using SymbianStructuresLib.Version;

namespace SymbianImageLib.ROFS.Structures

{

    internal class TRofsEntry

    {

        #region Constructors

        public TRofsEntry( SymbianStreamReaderLE aReader, ITracer aTracer )

        {

            long startPos = aReader.BaseStream.Position;

            iStructSize = aReader.ReadUInt16();

            iUids = new TCheckedUid( aReader );

            // Skip name offset - not useful

            aReader.ReadUInt8();

            //

            iAtt = aReader.ReadUInt8();

            iFileSize = aReader.ReadUInt32();

            iFileAddress = aReader.ReadUInt32();

            iAttExtra = aReader.ReadUInt8();

            // Read name - the length is in unicode characters.

            byte nameLength = aReader.ReadUInt8();

            iName = aReader.ReadStringUTF16( nameLength );

        }

        #endregion

        #region API

        #endregion

        #region Properties

        public uint Size

        {

            get { return iStructSize; }

        }

        public TCheckedUid Uids

        {

            get

            {

                return iUids;

            }

        }

        public uint Att

        {

            get { return iAtt; }

        }

        public uint FileSize

        {

            get { return iFileSize; }

        }

        public uint FileAddress

        {

            get { return iFileAddress; }

        }

        public uint AttExtra

        {

            get { return iAttExtra; }

        }

        public string Name

        {

            get { return iName; }

        }

        #endregion

        #region From System.Object

        public override string ToString()

        {

            return iName;

        }

        public override int GetHashCode()

        {

            return iName.GetHashCode();

        }

        #endregion

        #region Data members

        private readonly ushort iStructSize;	    // Total size of entry, header + name + any padding

        private readonly TCheckedUid iUids;		    // A copy of all the UID info

        private readonly byte iAtt;			        // standard file attributes

        private readonly uint iFileSize;		    // real size of file in bytes (may be different from size in image)

						                            // for subdirectories this is the total size of the directory

						                            // block entry excluding padding

        private readonly uint iFileAddress;	        // address in image of file start

        private readonly byte iAttExtra;		    // extra ROFS attributes (these are inverted so 0 = enabled)

        private readonly string iName;

        #endregion

    }

}