/*

* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*

*/

/**

 @file 

 @internalComponent

 @released

*/

#include "raw.h"

#include "siswrite.h"

CRaw::CRaw (const CRaw& aInitialiser) :

		iData (NULL),

		iSize (0)

	{

	assert ((aInitialiser.iData == NULL) == (aInitialiser.iSize == 0));

	if (aInitialiser.iSize)

		{

		Alloc (aInitialiser.iSize);

		memcpy (iData, aInitialiser.iData, aInitialiser.iSize);

		}

	}

void CRaw::Alloc (const TFieldSize& aSize)

	{

	assert (iSize <= UINT_MAX);		// you'll need to rewrite CSISFieldRoot::DoTheCrc and stream I/O to take large sizes

	Dispose ();

	if (aSize)

		{

		try

			{

			iData = new TUint8 [aSize];

			}

		catch(std::exception& e)

			{

			SISLogger::Log(L"Error : File Size is too big to process...\n");

			throw CSISException (CSISException::EMemory, "File Size is too big to process...");

			}

		iSize = aSize;

		}

	}

void CRaw::Dispose ()

	{

	delete iData;

	iData = NULL;

	iSize = 0;

	}

void CRaw::Read (TSISStream& aFile, const TFieldSize& aContainerSize, const CSISFieldRoot::TFieldType aArrayType)

	{

	assert (aArrayType == CSISFieldRoot::ESISUndefined);	// typing invalid

	Alloc (aContainerSize);

	if (iSize)

		{

		aFile.read (iData, static_cast <TSISStream::size_type> (aContainerSize));

		}

	}

void CRaw::Write (TSISStream& aFile, const bool aIsArrayElement) const

	{

	assert (! aIsArrayElement);	// typing invalid

	assert ((iData == NULL) == (iSize == 0));

	if (iSize)

		{

		aFile.write (iData, iSize);

		}

	}

void CRaw::Skip (TSISStream& aFile, const TFieldSize& aContainerSize) const

	{

	assert (aContainerSize <= aFile.MaxBufferSize ());

	if (aContainerSize)

		{

		aFile.seek (static_cast <TSISStream::pos_type> (aContainerSize), std::ios_base::cur);

		}

	}

CSISFieldRoot::TFieldSize CRaw::ByteCount (const bool aInsideArray) const

	{

	return iSize;

	}

void CRaw::SetByteCount (const TFieldSize aSize)

	{

	Alloc (aSize);

	}

void CRaw::Dump (std::ostream& aStream, const int aLevel) const

	{

	aStream << iSize << " bytes:" << std::hex;

	TUint64 size = 20;

	for (int index = 0; index < std::min (iSize, size); index++)

		{

		aStream << " " << static_cast <unsigned int> (iData [index]);

		}

	aStream << std::dec;

	}

void CRaw::CalculateCrc (TCRC& aCRC, const bool aIsArrayElement) const

	{

	assert ((iData == NULL) == (iSize == 0));

	if (iSize)

		{

		DoPaddedCrc (aCRC, iData, static_cast <unsigned int> (iSize));

		}

	}

std::string CRaw::Name () const

	{

	return "raw";

	}