/*

* Copyright (c) 2008 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:

 *

*/

// INCLUDE FILES

#include  "cstsfile.h"

namespace java

{

namespace satsa

{

// CONSTANTS

const TUint8 KSTSSequenceTag = 0x30;

//sequence byte + 3 bytes for long form length

const TInt KSTSTLVHeaderLength = 4;

const TInt KSTSFirstOctet = 8;

const TUint8 KSTSInitialLengthOctet = 0x82;

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CSTSFile::CSTSFile

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CSTSFile::CSTSFile()

{

}

// Destructor

CSTSFile::~CSTSFile()

{

    delete iDataBuf;

}

// -----------------------------------------------------------------------------

// CSTSFile::ReadL

// Reads and decodes file data

// (other items were commented in a header).

// -----------------------------------------------------------------------------

void CSTSFile::ReadL(TInt aMaxValidDataAmount)

{

    ResetData();

    TPtrC8 fileData;

    fileData.Set(RetrieveContentL());

    iFileSize = fileData.Length();

    iMaxValidDataAmount = aMaxValidDataAmount;

    //allocate buffer for file data

    HBufC8* tmp = HBufC8::NewL(iFileSize + KSTSTLVHeaderLength);

    delete iDataBuf;

    iDataBuf = tmp;

    //append sequence tag and size bytes

    iDataBuf->Des().Append(KSTSSequenceTag);

    iDataBuf->Des().Append(KSTSInitialLengthOctet);

    iDataBuf->Des().Append(iFileSize >> KSTSFirstOctet);//first octet=high byte of length

    iDataBuf->Des().Append(iFileSize); //second octet=low byte of length

    TPtr8 wholeData(iDataBuf->Des());

    wholeData.Append(fileData);

    DecodeL(wholeData);

}

// -----------------------------------------------------------------------------

// CSTSFile::FoundRecords

//

// (other items were commented in a header).

// -----------------------------------------------------------------------------

TInt CSTSFile::FoundRecords() const

{

    return iFoundRecords;

}

// -----------------------------------------------------------------------------

// CSTSFile::DecodeL

//

// (other items were commented in a header).

// -----------------------------------------------------------------------------

void CSTSFile::DecodeL(const TDesC8& aRawData)

{

    CArrayPtr<TASN1DecGeneric>* itemsData = DecodeSequenceLC(EFalse, //must be sequence

                                            aRawData);

    TInt count = itemsData->Count();

    TBool validDataFound = EFalse;

    for (TInt i = 0; (i < count) && !validDataFound; i++)

    {

        validDataFound = DecodeAndAppendRowL(itemsData->At(i)->Encoding(),

                                             iMaxValidDataAmount);

    }

    CleanupStack::PopAndDestroy(itemsData);

}

} // namespace satsa

} // namespace java

//  End of File