author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 23 Jun 2010 18:47:10 +0300 | |
changeset 31 | 8dfd592727cb |
parent 22 | 128eb6a32b84 |
child 42 | 1fa3fb47b1e3 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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 "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: Metadata backend engine |
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* |
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*/ |
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#ifndef CMETADATA_UTILITY_ITF_H |
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#define CMETADATA_UTILITY_ITF_H |
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#ifdef __cplusplus |
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#include <e32base.h> |
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#include <e32std.h> |
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#include <e32hashtab.h> |
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#include <OpenMAXAL.h> |
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#include <hxmetadatautil.h> |
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#include <MetaDataUtility.h> |
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#include <MetaDataFieldContainer.h> |
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#include <MetaDataField.hrh> |
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#define MAX_EXTENSION_SIZE 10 |
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#define uint32 unsigned int |
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class CS60MetadataUtilityItf; |
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class CHXMetadataUtilityItf; |
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NONSHARABLE_CLASS(CMetadataUtilityItf) |
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{ |
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public: |
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enum TValueEncodingType |
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{ |
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EUnknownEncoding, EAsciiEncoding, EUnicodeEncoding, EBinaryEncoding, |
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}; |
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static CMetadataUtilityItf* New(char* uri); |
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CMetadataUtilityItf(); |
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virtual ~CMetadataUtilityItf(); |
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TInt ParseSource(char* uri); |
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TInt OpenSource(char* uri); |
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TInt CalculateNumMetadataItems(TUint*); |
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char* GetKey(TInt index); |
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TInt GetValueSize(TInt index); |
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TInt GetValue(TInt index, char* data, TInt maxLength, TInt* outSize, |
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TInt* encodingType); |
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//helper function |
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//extracts left part of input descriptor upto (maxLen-1) and copies content in outPtr |
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//append a null terminator |
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static TInt ExtractUCS2(TDesC& inDes, char* outPtr, TInt maxLen); |
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private: |
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CS60MetadataUtilityItf* m_pS60Util; |
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CHXMetadataUtilityItf* m_pHXUtil; |
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}; |
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NONSHARABLE_CLASS(CS60MetadataUtilityItf) |
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{ |
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public: |
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static CS60MetadataUtilityItf* New(); |
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~CS60MetadataUtilityItf(); |
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TInt CalculateNumMetadataItems(TUint*); |
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char* GetKey(TInt index); |
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TInt GetValueSize(TInt index); |
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TInt GetValue(TInt index, char* data, TInt maxLength, TInt* outSize, |
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TInt* encodingType); |
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TInt ParseSource(TDesC&); |
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char* KeyMapping(TMetaDataFieldId); |
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TInt ValueEncoding(TMetaDataFieldId); |
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static bool IsSupportedExtension(char* extn); |
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TInt Reset(); |
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private: |
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CS60MetadataUtilityItf(); |
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void ConstructL(); |
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CMetaDataUtility* pMetaDataUtility; //S60MetadataUtility |
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TUint uNumMetadataItems; |
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}; |
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NONSHARABLE_CLASS(CHXMetadataUtilityItf) |
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{ |
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public: |
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static CHXMetadataUtilityItf* New(); |
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~CHXMetadataUtilityItf(); |
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TInt CalculateNumMetadataItems(TUint*); |
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char* GetKey(TInt index); |
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TInt ValueEncoding(HXMetaDataKeys::EHXMetaDataId fldID); |
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TInt GetValueSize(TInt index); |
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TInt GetValue(TInt index, char* data, TInt maxLength, TInt* outSize, |
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TInt* encodingType); |
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TInt ParseSource(TDesC&); |
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char* KeyMapping(HXMetaDataKeys::EHXMetaDataId); |
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TInt Reset(); |
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private: |
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CHXMetadataUtilityItf(); |
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void ConstructL(); |
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CHXMetaDataUtility *pHXMetaDataUtility; |
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TUint uNumMetadataItems; |
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}; |
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#else |
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extern void* mmf_metadata_utility_init(char*); |
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extern void mmf_metadata_utility_destroy(void* context); |
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extern XAresult mmf_metadata_utility_parse_source(void* , char*); |
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extern XAresult mmf_get_item_count(void* context, XAuint32* itemCount); |
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extern XAresult mmf_get_key_size(void* context, XAuint32 keyIndex, XAuint32* keySize); |
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extern XAresult mmf_get_key(void* context, XAuint32 index,XAuint32 keySize, XAMetadataInfo *pKey); |
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extern XAresult mmf_get_value_size(void* context, XAuint32 index, XAuint32 *pValueSize); |
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extern XAresult mmf_get_value(void* context, XAuint32 index, XAuint32 valueSize, XAMetadataInfo *pValue); |
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#endif //__cplusplus |
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#endif |