mmserv/metadatautility/Src/MetaDataParserID3v1.h
changeset 0 71ca22bcf22a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmserv/metadatautility/Src/MetaDataParserID3v1.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,172 @@
+/*
+* 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 implements an ID3v1 and v1.1 parser as specified in
+*                www.id3.org.
+*
+*/
+
+
+
+#ifndef CMETADATAPARSERID3V1_H
+#define CMETADATAPARSERID3V1_H
+
+// INCLUDES
+#include <e32base.h>
+#include "MetaDataParser.h"
+#include "MetaDataSource.h"
+#include "MetaDataFieldContainer.h"
+#include "MetaDataField.h"
+
+// CONSTANTS
+const TInt KID3v1TagLength = 128;
+
+// CLASS DECLARATION
+
+/**
+*  This class implements an ID3v1 and v1.1 parser.
+*
+*  @lib MetaDataUtility.lib
+*  @since 3.0
+*/
+class CMetaDataParserID3v1 : public CMetaDataParser
+	{
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aSource Reference to a metadata source
+        * @return A pointer to a new instance of this class
+        */
+        static CMetaDataParserID3v1* NewL( CMetaDataSource& aSource );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CMetaDataParserID3v1();
+
+    public: // Functions from base classes
+
+        /**
+        * From CMetaDataParser
+        * 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
+        */
+		void ParseL( const RArray<TMetaDataFieldId>& aWantedFields, CMetaDataFieldContainer& aContainer );
+
+        enum TAutoDetectCommand		// Possible autodetect commands
+		{
+	    EDetectFromTopList = 0,
+		EDetectFromNextList,
+		EDetectFromRestList
+		};
+
+		/**
+        * From CMetaDataParser
+        * returns ID3 version
+        * @since 3.0
+		* @return TID3Version
+        */
+		TID3Version ID3Version();
+		
+	private:
+
+        /**
+        * C++ default constructor.
+        */
+		CMetaDataParserID3v1( CMetaDataSource& aSource );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+		void ConstructL();
+
+		/**
+		* Validates whether there is ID3v1 tag in the source or not.
+		*/
+		TBool ValidateL();
+
+        /**
+        * Append title to the container, if found.
+        * @return void
+		*/
+		void GetTitleL();
+
+        /**
+        * Append artist to the container, if found.
+        * @return void
+		*/
+		void GetArtistL();
+
+        /**
+        * Append album to the container, if found.
+        * @return void
+		*/
+		void GetAlbumL();
+
+        /**
+        * Append year to the container, if found.
+        * @return void
+		*/
+		void GetYearL();
+
+        /**
+        * Append comment to the container, if found.
+        * @return void
+		*/
+		void GetCommentL();
+
+        /**
+        * Append album track to the container, if found.
+        * @return void
+		*/
+		void GetAlbumTrackL();
+
+        /**
+        * Append genre to the container, if found.
+        * @return void
+		*/
+		void GetGenreL();
+
+        /**
+        * Converts to unicode.
+		* @param aDesc Source to be converted to unicode.
+		* @param aUnicode Contains the converted unicode on return.
+        * @return KErrNone if successful, otherwise one of the system errors.
+		*/
+		TInt ConvertToUnicodeL( const TDesC8& aDesc, TDes16& aUnicode );
+
+        /**
+        * Detects the character set for the descriptor.
+		* @param aDesc Source to be converted to unicode.
+        * @return KErrNone if successful, otherwise one of the system errors.
+		*/
+		TInt DetectCharacterSetL( const TDesC8& aDesc);
+
+ 	private:	// Data
+
+		// Metadata source
+		CMetaDataSource& iSource;
+		// Tag data
+		TBuf8<KID3v1TagLength> iTagData;
+		// Character Set Id used during Unicode conversion
+    	TUint iCharacterSetId;
+    };
+
+#endif      // CMETADATAPARSERID3V1_H
+
+// End of File