contentmgmt/contentaccessfwfordrm/source/cafutils/Metadata.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 10 Sep 2009 14:01:51 +0300
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permissions -rw-r--r--
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/*
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* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#include <charconv.h>
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#include <s32strm.h>
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#include <caf/metadata.h>
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#include "cafutils.h"
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using namespace ContentAccess;
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CMetaData* CMetaData::NewL(const TDesC8& aField, const TDesC8& aData)
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	{
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	CMetaData* self = new (ELeave) CMetaData(EFalse);
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	CleanupStack::PushL(self);
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	self->ConstructL(aField, aData);
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	CleanupStack::Pop(self);
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	return self;
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	}
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CMetaData* CMetaData::NewL(const TDesC16& aField, const TDesC16& aData)
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	{
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	CMetaData* self = new (ELeave) CMetaData(ETrue);
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	CleanupStack::PushL(self);
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	self->ConstructL(aField, aData);
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	CleanupStack::Pop(self);
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	return self;
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	}
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CMetaData* CMetaData::NewL(RReadStream& aStream)
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	{
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	CMetaData* self = new (ELeave) CMetaData(ETrue);
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	CleanupStack::PushL(self);
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	self->InternalizeL(aStream);
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	CleanupStack::Pop(self);
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	return self;
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	}
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CMetaData::CMetaData(TBool aUnicode) : iUnicode(aUnicode)
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	{
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	}
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void CMetaData::ConstructL(const TDesC8& aField, const TDesC8& aData)
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	{
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	// Store supplied data in both 8 bit and unicode forms
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	iField8 = aField.AllocL();
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	iData8 = aData.AllocL();
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	// Allocate space for 16 bit versions
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	iField = HBufC::NewL(iField8->Length());
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	iData = HBufC::NewL(iData8->Length());
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	// populate 16 bit versions with 8 bit values
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	iField->Des().Copy(*iField8);
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	iData->Des().Copy(*iData8);
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	}
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void CMetaData::ConstructL(const TDesC16& aField, const TDesC16& aData)
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	{
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	// Store supplied data in both 8 bit and unicode forms
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	iField = aField.AllocL();
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	iData = aData.AllocL();
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	// Allocate space for 8 bit versions
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	iField8 = HBufC8::NewL(iField->Des().Length());
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	iData8 = HBufC8::NewL(iData->Des().Length());
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	// populate 8 bit versions with 16 bit values
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	iField8->Des().Copy(*iField);
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	iData8->Des().Copy(*iData);
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	}
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CMetaData::~CMetaData()
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	{
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	delete iField;
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	delete iData;
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	delete iField8;
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	delete iData8;
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	}
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EXPORT_C const TDesC& CMetaData::Field() const
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	{
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	return *iField;
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	}
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EXPORT_C const TDesC& CMetaData::Data() const
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	{
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	return *iData;
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	}
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EXPORT_C const TDesC8& CMetaData::Field8() const
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	{
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	return *iField8;
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	}
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EXPORT_C const TDesC8& CMetaData::Data8() const
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	{
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	return *iData8;
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	}
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void CMetaData::InternalizeL(RReadStream& aStream)
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	{
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	// Read the unicode field from the stream
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	iField = TCafUtils::ReadDescriptor16L(aStream);
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	// Read the unicode data from the stream
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	iData = TCafUtils::ReadDescriptor16L(aStream);
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	// Allocate space for 8 bit versions
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	iField8 = HBufC8::NewL(iField->Length());
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	iData8 = HBufC8::NewL(iData->Length());
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	// populate 8 bit versions with 16 bit values
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	iField8->Des().Copy(*iField);
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	iData8->Des().Copy(*iData);
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	}
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void CMetaData::ExternalizeL(RWriteStream& aStream) const
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	{
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	// Write unicode field to the stream
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	TCafUtils::WriteDescriptor16L(aStream, *iField);
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	TCafUtils::WriteDescriptor16L(aStream, *iData);
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	}