author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 31 Mar 2010 22:03:30 +0300 (2010-03-31) | |
branch | RCL_3 |
changeset 9 | c0474fab502e |
parent 0 | d7e778ce6e8e |
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: |
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* |
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*/ |
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#ifndef _SYMBIAN_METADATA_UTIL_IMP_H_ |
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#define _SYMBIAN_METADATA_UTIL_IMP_H_ |
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// Symbian includes |
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#include <f32file.h> // RFile |
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#include "hxmetadatakeys.h" |
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// CHXMetaDataUtility is the entry point for metadata engine. |
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// This hides all the implmentation details of the actual metadata engine |
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// including Helix specfic details like GlobalManager, Location of the dlls etc. |
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class CHXMetaDataUtility : public CBase |
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{ |
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public: |
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~CHXMetaDataUtility(); |
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static CHXMetaDataUtility* NewL(); |
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// Opens the file aFileName for metadata reading. |
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// descriptor aFileName can be deleted after the OpenFileL returns. |
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void OpenFileL( const TDesC& aFileName ); |
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// Opens the descriptor for metadata reading. |
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// descriptor is required to be present till ResetL is being called. |
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void OpenDesL(const TDesC8& aDes); |
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// Opens the descriptor for metadata reading. |
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// File Handle can be closed after the OpenFileL returns. |
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void OpenFileL(RFile& aFile); |
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// Resets the utility. Must be called before OpenFileL() or |
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// OpenDesL() can be called again. |
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// |
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void ResetL(); |
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// returns the count of metadata entries. |
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TInt GetMetaDataCount(TUint &aCount); |
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// returns the Metadata entry at index a Index. |
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// pDes is not owned by the caller. |
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TInt GetMetaDataAt(TUint aIndex, |
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HXMetaDataKeys::EHXMetaDataId &id, HBufC*& pDes); |
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private: |
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CHXMetaDataUtility(); |
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CHXMetaDataUtility* ConstructL(); |
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// utility functions |
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void* GetSymbol(RLibrary &rlib, const char *symbolName); |
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void ConvertMetaDataL(); |
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private: |
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typedef int (*GetSym2Ord)(const char* pSymbolName); |
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RLibrary m_rlib; |
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TBool m_bLibLoaded; |
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TBool m_bCloseNeeded; |
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}; |
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#endif _SYMBIAN_METADATA_UTIL_IMP_H_ |
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