1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 #ifndef __CHARVESTERM3UPLAYLISTPARSER_H__

    20 #define __CHARVESTERM3UPLAYLISTPARSER_H__

    21 

    22 #include <charconv.h>

    23 

    24 //

    25 // CAudioMDParser

    26 //

    27 class CHarvesterM3UPlaylistParser : public CBase

    28 	{

    29 	public:

    30 		static CHarvesterM3UPlaylistParser* NewL( RFs& aFs,

    31 		        CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* aAvailableCharacterSet,

    32 		        CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* aTopCharacterSet );

    33 		virtual ~CHarvesterM3UPlaylistParser();

    34         

    35         TBool ParseL( const TDesC& aFileName, RPointerArray<HBufC>& aUriArray );

    36         void Reset();

    37 		

    38 	private:

    39         CHarvesterM3UPlaylistParser( RFs& aFs,

    40                 CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* aAvailableCharacterSet,

    41                 CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* aTopCharacterSet );

    42 

    43         /**

    44         * Reads data from playlist file to the buffer

    45         */

    46         void ReadPlaylistFileToBufferL();

    47         

    48         /**

    49         * Parses the buffer where playlist file was read to.

    50         */

    51         void ParsePlaylistBufferL(

    52         		RPointerArray<HBufC>& aPlaylist,

    53                 TInt& aInvalidItemCount);

    54     

    55         /**

    56         * Auto detects the character encoding from the supplied character

    57         * set

    58         * @param aSample a sample of the file

    59         * @param aCharSetId auto-detected character set for the supplied

    60         *        sample

    61         * @param aCharacterSet a character set to detect the encoding from

    62         * @return KErrNone if a character set is found; otherwise

    63         *         KErrNotFound.

    64         */

    65         TInt DetectCharacterSetL(

    66             const TDesC8& aSample,

    67             const CArrayFix<CCnvCharacterSetConverter::SCharacterSet>& aCharacterSet,

    68             TUint& aCharSetId );

    69         

    70         /**

    71         * Reads next line from iBuffer and stores it to iLine. Returns EFalse

    72         * if there are no more new lines.

    73         */

    74         TBool ReadNextLineL();

    75         

    76         /**

    77         * Decides what to do with an iLine read from iBuffer

    78         */

    79         void ProcessLineL(

    80         		RPointerArray<HBufC>& aPlaylist,

    81                 TInt& aInvalidItemCount);

    82         

    83         /**

    84         * Parses path or extended info from an iLine and stores them to iItem

    85         */

    86         TInt ParseLineL(

    87                 TFileName& aItem,

    88                 TInt& aInvalidItemCount);

    89         

    90         /**

    91         * Parses and returns an absolute path if aPath is relative to playlist

    92         * file's path. If path is not valid or it doesn't exist, error code is

    93         * returned in aError.

    94         *

    95         * caller assumes ownership of the returned HBufC

    96         */

    97         HBufC* ParseAbsolutePathLC(

    98                 const TDesC& aPath,

    99                 TInt& aError);

   100         

   101     private:

   102         RFs& iFs;

   103         

   104         TPtrC iPlaylistFilePath;

   105         

   106         TInt iInvalidItems;

   107         

   108         HBufC* iBuffer;

   109         TPtrC iBufferPtr;

   110         

   111         // Not owned.

   112         CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* iAvailableCharacterSet;

   113         CArrayFix<CCnvCharacterSetConverter::SCharacterSet>* iTopCharacterSet;

   114         

   115         TInt iEndLineNumber;  

   116         TInt iCurrentLineNumber;

   117         

   118         HBufC* iLine;

   119         

   120         TBool iExtendedFormat;

   121         

   122         TFileName iItem;

   123 	};

   124 

   125 

   126 

   127 #endif  // __CHARVESTERM3UPLAYLISTPARSER_H__

   128