mmserv/metadatautility/Src/MetaDataParserID3v22.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:08:46 +0200
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/*
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* Copyright (c) 2004 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:  This class implements parsing of ID3v2.2 according to the
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*                specification found in www.id3.org. Note that only a selected
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*				 frames are supported at this time.
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*
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*/
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#ifndef CMETADATAPARSERID3V22_H
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#define CMETADATAPARSERID3V22_H
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// INCLUDES
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#include "MetaDataParserID3v2.h"
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// CLASS DECLARATION
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/**
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*  This class implements parsing of ID3v2.2.
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*
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*  @lib MetaDataUtility.lib
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*  @since 3.0
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*/
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class CMetaDataParserID3v22 : public CMetaDataParserID3v2
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	{
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    public:  // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        * @param aSource Reference to a metadata source
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        * @return A pointer to a new instance of this class
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        */
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        static CMetaDataParserID3v22* NewL( CMetaDataSource& aSource );
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        /**
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        * Destructor.
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        */
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        virtual ~CMetaDataParserID3v22();
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    public: // Functions from base classes
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        /**
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        * From CMetaDataParserID3v2
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        * This function is called from ParseL for header parsing and data initialization.
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		* @return void
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        */
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		void PrepareToParseL();
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        /**
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        * From CMetaDataParserID3v2
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        * Gets the next field's properties.
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		* @param aFieldId Field Id, on return.
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		* @param aFrameHeaderSize Frame header size.
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		* @param aFrameSize Frame size, on return.
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        * @return void
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		*/
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		void GetNextFieldL( TMetaDataFieldId& aFieldId, TInt& aFrameHeaderSize, TInt& aFrameSize );
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        /**
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        * From CMetaDataParserID3v2
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        * Reads the text information from the source and appends it to the container.
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		* @param aFieldId Field Id.
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetTextInfoL( TMetaDataFieldId aFieldId, TInt aSize );
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        /**
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        * From CMetaDataParserID3v2
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        * Reads the Genre from the source and appends it to the container.
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetGenreL( TInt aSize );
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        /**
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        * From CMetaDataParserID3v2
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        * Reads the year from the source and appends it to the container.
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetTextYearL( TInt aSize );
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        /**
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        * From CMetaDataParserID3v2
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        * Reads the comment from the source and appends it to the container.
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetCommentL( TInt aSize );
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        /**
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        * From CMetaDataParserID3v2
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        * Reads the Url from the source and appends it to the container.
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetUrlL( TInt aSize );
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        /**
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        * From CMetaDataParserID3v2
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        * Reads the Lyrics from the source and appends it to the container.
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetUnsyncLyricsL( TInt aSize ); 
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		/**
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        * From CMetaDataParserID3v2
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        * Reads the user defined Url from the source and 
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        * appends it to the container.
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        * @since 3.0
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetUserUrlL( TInt aSize );
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        /**
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        * From CMetaDataParserID3v2
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        * Reads the Jpeg from the source and appends it to the container.
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetJpegL( TInt aSize );
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		/**
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		* From CMetaDataParserID3v2
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        * Reads the duration from the source and appends it to the container.
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        * @since 3.0
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetDurationL( TInt aSize );
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		/**
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		* From CMetaDataParserID3v2
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        * Reads the date from the source and appends it to the container.
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        * @since 3.0
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetTextDateL( TInt aSize );
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		/**
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		* From CMetaDataParserID3v2
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        * Reads the popularimeter appends it to the container.
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        * @since 3.0
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		* @param aSize Size of the data.
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        * @return void
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		*/
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		void GetRatingL (TInt aSize);
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        /**
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        * From CMetaDataParserID3v2
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        * Converts to unicode.
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		* @param aEncoding Encoding of aDesc.
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		* @param aDesc Source to be converted to unicode.
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		* @param aUnicode Contains the converted unicode on return.
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        * @return The number of unconverted characters left at the end of the input descriptor
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        *	(e.g. because the output descriptor is not long enough to hold all the text),
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        *	or one of the error values defined in TError.
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		*/
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		TInt ConvertToUnicodeL( TInt aEncoding, const TDesC8& aDesc, TDes16& aUnicode );
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	private:
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        /**
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        * C++ default constructor.
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        */
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		CMetaDataParserID3v22( CMetaDataSource& aSource );
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        /**
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        * By default Symbian 2nd phase constructor is private.
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        */
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		void ConstructL();
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 	private:	// Data
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    };
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#endif      // CMETADATAPARSERID3V22_H
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// End of File