--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/metadatautility/Src/MetaDataParser.h Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,155 @@
+/*
+* Copyright (c) 2004 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: This class provides the base class for metadata parsers.
+* This class is the highest class in parser hierarchy.
+*
+*/
+
+
+
+#ifndef MMETADATAPARSER_H
+#define MMETADATAPARSER_H
+
+// INCLUDES
+#include <e32base.h>
+#include <MetaDataField.hrh>
+#include <f32file.h>
+#include <charconv.h>
+#include "MetaDataID3v1Genre.h"
+#include <barsc.h>
+#include <barsread.h>
+
+
+// FORWARD DECLARATION
+class CMetaDataFieldContainer;
+
+// CONSTANTS
+const TInt KUnicodeBOMNotFound = 0;
+const TInt KUnicodeBOMBigEndian = 1;
+const TInt KUnicodeBOMLittleEndian = 2;
+
+// CLASS DECLARATION
+
+/**
+* This class implements the base class in metadata hierarchy.
+*
+* @lib MetaDataUtility.lib
+* @since 3.0
+*/
+class CMetaDataParser : public CBase
+ {
+ public: // Destructor
+
+ /**
+ * Destructor.
+ */
+ virtual ~CMetaDataParser();
+
+ protected: // Constructor
+
+ /**
+ * C++ default constructor.
+ */
+ CMetaDataParser();
+
+ public: // New functions
+
+ /**
+ * Parses the source and if metadata is found, the metadata fields are
+ * inserted into the container.
+ * @since 3.0
+ * @param aWantedFields An array of TMetaDataFieldId's. Empty array is interpreted as all fields.
+ * @param aContainer On return, metadata found in aSource is stored here
+ * @return void
+ */
+ virtual void ParseL( const RArray<TMetaDataFieldId>& aWantedFields,
+ CMetaDataFieldContainer& aContainer ) = 0;
+
+ /**
+ * Returns whether metadata was found or not.
+ * @since 3.0
+ * @return ETrue, if metadata was found
+ */
+ TBool MetaDataExists();
+
+ /**
+ * Returns id3 version for ID3 tag types
+ * @since 3.0
+ * @return TID3Type enum
+ */
+ virtual TID3Version ID3Version();
+
+ /**
+ * Maps ID3v1 genre integer to string
+ * @param aNum genre integer code
+ * @param aGenrePtr string genre value returned
+ * @since 3.0
+ * @return void
+ */
+ void MapID3GenreToStringL(TInt aNum, TDes& aGenrePtr);
+
+ /**
+ * Maps ID3v2 genre integer to string
+ * @param aNum genre integer code
+ * @param aGenrePtr string genre value returned
+ * @since 3.0
+ * @return void
+ */
+
+ void MapID3GenreToStringL(TInt aNum, TDes8& aGenrePtr);
+ void GenerateTopCharacterSetsL();
+ void SelectCharacterSetsForLanguageL(TInt aLanguage);
+ void ReadCharacterSetResourceL(TInt aResourceId);
+ TBool IsInTopCharacterSet(TUint aCharacterSetId);
+
+ protected:
+
+ /**
+ * Strips trailing zeros at the end of the field.
+ * @since 3.0
+ * @param aDesc The original descriptor
+ * @return Pointer to descriptor without whitespace
+ */
+ TPtrC8 StripTrailingZeroes( const TDesC8& aDesc, TInt encoding = 0);
+ TPtrC StripTrailingZeroes( const TDesC& aDesc);
+
+ /**
+ * Returns BOM indication in the provided unicode.
+ * @since 3.0
+ * @param aUnicode Descriptor containing unicode.
+ * @return KUnicodeBOMNotFound, KUnicodeBOMBigEndian, or KUnicodeBOMLittleEndian
+ */
+ TInt UnicodeBOM( const TDesC8& aUnicode );
+
+ protected: // Data
+
+ // Metadata container
+ CMetaDataFieldContainer* iContainer;
+ // Metadata exists
+ TBool iExists;
+ // File session
+ RFs iFs;
+ // Character set for unicode conversion
+ CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* iCharacterSet;
+ // Most likely character set for unicode conversion
+ CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* iTopCharacterSet;
+
+ RResourceFile iRscFile;
+
+ //CArrayFixFlat<TInt>* installedLanguages;
+ };
+
+#endif // MMETADATAPARSER_H
+
+// End of File