1 /*

     2 * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #include <charconv.h>

    20 #include <s32strm.h>

    21 #include <caf/metadata.h>

    22 #include "cafutils.h"

    23 

    24 

    25 using namespace ContentAccess;

    26 

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

    28 	{

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

    30 	CleanupStack::PushL(self);

    31 	self->ConstructL(aField, aData);

    32 	CleanupStack::Pop(self);

    33 	return self;

    34 	}

    35 

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

    37 	{

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

    39 	CleanupStack::PushL(self);

    40 	self->ConstructL(aField, aData);

    41 	CleanupStack::Pop(self);

    42 	return self;

    43 	}

    44 

    45 CMetaData* CMetaData::NewL(RReadStream& aStream)

    46 	{

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

    48 	CleanupStack::PushL(self);

    49 	self->InternalizeL(aStream);

    50 	CleanupStack::Pop(self);

    51 	return self;

    52 	}

    53 

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

    55 	{

    56 	}

    57 

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

    59 	{

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

    61 	iField8 = aField.AllocL();

    62 	iData8 = aData.AllocL();

    63 

    64 	// Allocate space for 16 bit versions

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

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

    67 

    68 	// populate 16 bit versions with 8 bit values

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

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

    71 	}

    72 

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

    74 	{

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

    76 	iField = aField.AllocL();

    77 	iData = aData.AllocL();

    78 

    79 	// Allocate space for 8 bit versions

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

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

    82 

    83 	// populate 8 bit versions with 16 bit values

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

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

    86 	}

    87 

    88 CMetaData::~CMetaData()

    89 	{

    90 	delete iField;

    91 	delete iData;

    92 	delete iField8;

    93 	delete iData8;

    94 	}

    95 

    96 EXPORT_C const TDesC& CMetaData::Field() const

    97 	{

    98 	return *iField;

    99 	}

   100 		

   101 EXPORT_C const TDesC& CMetaData::Data() const

   102 	{

   103 	return *iData;

   104 	}

   105 

   106 EXPORT_C const TDesC8& CMetaData::Field8() const

   107 	{

   108 	return *iField8;

   109 	}

   110 		

   111 EXPORT_C const TDesC8& CMetaData::Data8() const

   112 	{

   113 	return *iData8;

   114 	}

   115 	

   116 void CMetaData::InternalizeL(RReadStream& aStream)

   117 	{

   118 	// Read the unicode field from the stream

   119 	iField = TCafUtils::ReadDescriptor16L(aStream);

   120 

   121 	// Read the unicode data from the stream

   122 	iData = TCafUtils::ReadDescriptor16L(aStream);

   123 

   124 	// Allocate space for 8 bit versions

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

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

   127 

   128 	// populate 8 bit versions with 16 bit values

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

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

   131 	}

   132 

   133 void CMetaData::ExternalizeL(RWriteStream& aStream) const

   134 	{

   135 	// Write unicode field to the stream

   136 	TCafUtils::WriteDescriptor16L(aStream, *iField);

   137 	TCafUtils::WriteDescriptor16L(aStream, *iData);

   138 	}