/*

* Copyright (c) 2004-2009 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: 

*

*/

#include <charconv.h>

#include <s32strm.h>

#include <caf/metadata.h>

#include "cafutils.h"

using namespace ContentAccess;

CMetaData* CMetaData::NewL(const TDesC8& aField, const TDesC8& aData)

	{

	CMetaData* self = new (ELeave) CMetaData(EFalse);

	CleanupStack::PushL(self);

	self->ConstructL(aField, aData);

	CleanupStack::Pop(self);

	return self;

	}

CMetaData* CMetaData::NewL(const TDesC16& aField, const TDesC16& aData)

	{

	CMetaData* self = new (ELeave) CMetaData(ETrue);

	CleanupStack::PushL(self);

	self->ConstructL(aField, aData);

	CleanupStack::Pop(self);

	return self;

	}

CMetaData* CMetaData::NewL(RReadStream& aStream)

	{

	CMetaData* self = new (ELeave) CMetaData(ETrue);

	CleanupStack::PushL(self);

	self->InternalizeL(aStream);

	CleanupStack::Pop(self);

	return self;

	}

CMetaData::CMetaData(TBool aUnicode) : iUnicode(aUnicode)

	{

	}

void CMetaData::ConstructL(const TDesC8& aField, const TDesC8& aData)

	{

	// Store supplied data in both 8 bit and unicode forms

	iField8 = aField.AllocL();

	iData8 = aData.AllocL();

	// Allocate space for 16 bit versions

	iField = HBufC::NewL(iField8->Length());

	iData = HBufC::NewL(iData8->Length());

	// populate 16 bit versions with 8 bit values

	iField->Des().Copy(*iField8);

	iData->Des().Copy(*iData8);

	}

void CMetaData::ConstructL(const TDesC16& aField, const TDesC16& aData)

	{

	// Store supplied data in both 8 bit and unicode forms

	iField = aField.AllocL();

	iData = aData.AllocL();

	// Allocate space for 8 bit versions

	iField8 = HBufC8::NewL(iField->Des().Length());

	iData8 = HBufC8::NewL(iData->Des().Length());

	// populate 8 bit versions with 16 bit values

	iField8->Des().Copy(*iField);

	iData8->Des().Copy(*iData);

	}

CMetaData::~CMetaData()

	{

	delete iField;

	delete iData;

	delete iField8;

	delete iData8;

	}

EXPORT_C const TDesC& CMetaData::Field() const

	{

	return *iField;

	}

EXPORT_C const TDesC& CMetaData::Data() const

	{

	return *iData;

	}

EXPORT_C const TDesC8& CMetaData::Field8() const

	{

	return *iField8;

	}

EXPORT_C const TDesC8& CMetaData::Data8() const

	{

	return *iData8;

	}

void CMetaData::InternalizeL(RReadStream& aStream)

	{

	// Read the unicode field from the stream

	iField = TCafUtils::ReadDescriptor16L(aStream);

	// Read the unicode data from the stream

	iData = TCafUtils::ReadDescriptor16L(aStream);

	// Allocate space for 8 bit versions

	iField8 = HBufC8::NewL(iField->Length());

	iData8 = HBufC8::NewL(iData->Length());

	// populate 8 bit versions with 16 bit values

	iField8->Des().Copy(*iField);

	iData8->Des().Copy(*iData);

	}

void CMetaData::ExternalizeL(RWriteStream& aStream) const

	{

	// Write unicode field to the stream

	TCafUtils::WriteDescriptor16L(aStream, *iField);

	TCafUtils::WriteDescriptor16L(aStream, *iData);

	}