/*
* Copyright (c) 2009 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:
*
*/
#ifndef CMETADATA_UTILITY_ITF_H
#define CMETADATA_UTILITY_ITF_H
#ifdef __cplusplus
#include <e32base.h>
#include <e32std.h>
#include <e32hashtab.h>
#include <OpenMAXAL.h>
#include <hxmetadatautil.h>
#include <MetaDataUtility.h>
#include <MetaDataFieldContainer.h>
#include <MetaDataField.hrh>
#define MAX_EXTENSION_SIZE 10
#define uint32 unsigned int
class CS60MetadataUtilityItf;
class CHXMetadataUtilityItf;
NONSHARABLE_CLASS(CMetadataUtilityItf)
{
public:
enum TValueEncodingType
{
EUnknownEncoding,
EAsciiEncoding,
EUnicodeEncoding,
EBinaryEncoding,
};
static CMetadataUtilityItf* New(char* uri);
CMetadataUtilityItf();
virtual ~CMetadataUtilityItf();
TInt ParseSource(char* uri);
TInt OpenSource(char* uri);
TInt CalculateNumMetadataItems(TUint*);
char* GetKey(TInt index);
TInt GetValueSize(TInt index);
TInt GetValue(TInt index, char* data, TInt maxLength, TInt* outSize, TInt* encodingType);
//helper function
//extracts left part of input descriptor upto (maxLen-1) and copies content in outPtr
//append a null terminator
static TInt ExtractUCS2(TDesC& inDes, char* outPtr,TInt maxLen);
private:
CS60MetadataUtilityItf* m_pS60Util;
CHXMetadataUtilityItf* m_pHXUtil;
};
NONSHARABLE_CLASS(CS60MetadataUtilityItf)
{
public:
static CS60MetadataUtilityItf* New();
~CS60MetadataUtilityItf();
TInt CalculateNumMetadataItems(TUint*);
char* GetKey(TInt index);
TInt GetValueSize(TInt index);
TInt GetValue(TInt index, char* data, TInt maxLength, TInt* outSize, TInt* encodingType);
TInt ParseSource(TDesC&);
char* KeyMapping(TMetaDataFieldId);
TInt ValueEncoding(TMetaDataFieldId);
static bool IsSupportedExtension(char* extn);
TInt Reset();
private:
CS60MetadataUtilityItf();
void ConstructL();
CMetaDataUtility* pMetaDataUtility; //S60MetadataUtility
TUint uNumMetadataItems;
};
NONSHARABLE_CLASS(CHXMetadataUtilityItf)
{
public:
static CHXMetadataUtilityItf* New();
~CHXMetadataUtilityItf();
TInt CalculateNumMetadataItems(TUint*);
char* GetKey(TInt index);
TInt ValueEncoding(HXMetaDataKeys::EHXMetaDataId fldID);
TInt GetValueSize(TInt index);
TInt GetValue(TInt index, char* data, TInt maxLength, TInt* outSize, TInt* encodingType);
TInt ParseSource(TDesC&);
char* KeyMapping(HXMetaDataKeys::EHXMetaDataId);
TInt Reset();
private:
CHXMetadataUtilityItf();
void ConstructL();
CHXMetaDataUtility *pHXMetaDataUtility;
TUint uNumMetadataItems;
};
#else
extern void* mmf_metadata_utility_init(char*);
extern void mmf_metadata_utility_destroy(void* context);
extern XAresult mmf_metadata_utility_parse_source(void* , char*);
extern XAresult mmf_get_item_count(void* context, XAuint32* itemCount);
extern XAresult mmf_get_key_size(void* context, XAuint32 keyIndex, XAuint32* keySize);
extern XAresult mmf_get_key(void* context, XAuint32 index,XAuint32 keySize, XAMetadataInfo *pKey);
extern XAresult mmf_get_value_size(void* context, XAuint32 index, XAuint32 *pValueSize);
extern XAresult mmf_get_value(void* context, XAuint32 index, XAuint32 valueSize, XAMetadataInfo *pValue);
#endif //__cplusplus
#endif