xml/xmldomandxpath/src/xmlengineserializer/xmlengserializergzip.h
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     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // Serialize node to GZIP file
       
    15 //
       
    16 
       
    17 
       
    18 
       
    19 /**
       
    20  @file
       
    21  @internalComponent
       
    22  @released
       
    23 */
       
    24 #ifndef XMLENGSERIALIZERGZIP_H
       
    25 #define XMLENGSERIALIZERGZIP_H
       
    26 
       
    27 #include <xml/dom/xmlengserializer.h>
       
    28 
       
    29 /**
       
    30  * XML serializer to GZIP format
       
    31  */
       
    32 class CXmlEngSerializerGZIP: public CXmlEngSerializer
       
    33     {
       
    34  public:
       
    35     /**
       
    36      * Creates an instance of CXmlEngSerializerGZIP class
       
    37      *
       
    38 	 * @return Pointer to instance of CXmlEngSerializerGZIP class
       
    39      *
       
    40      * @leave KErrNoMemory, KErrGeneral, KXmlEngErrWrongEncoding.
       
    41      */
       
    42 	static CXmlEngSerializerGZIP* NewL();
       
    43  
       
    44 	/**
       
    45      * Destructor.
       
    46      *
       
    47      */
       
    48     ~CXmlEngSerializerGZIP();
       
    49     
       
    50     /**
       
    51      * Serializes TXmlEngNode
       
    52      *
       
    53 	 * @param aRoot Node to be serialized
       
    54 	 * @return Number of bytes written
       
    55      *
       
    56      * @leave KErrNoMemory, KErrGeneral, KXmlEngErrWrongEncoding.
       
    57      */
       
    58 	TInt SerializeL(const TXmlEngNode aRoot = TXmlEngNode());
       
    59     
       
    60     /**
       
    61      * Serializes TXmlEngNode
       
    62      *
       
    63 	 * @param aRoot Node to be serialized     
       
    64 	 * @param aFileName File name to which document will be serialized
       
    65 	 * @param aOptions Serialization options	 	 
       
    66 	 * @return Number of bytes written
       
    67      *
       
    68      * @leave KErrNoMemory, KErrGeneral, KXmlEngErrWrongEncoding.
       
    69      */
       
    70 	TInt SerializeL(const TDesC& aFileName, 
       
    71 	    			const TXmlEngNode aRoot = TXmlEngNode(),
       
    72 					const TXmlEngSerializationOptions& aOptions = TXmlEngSerializationOptions(0));	
       
    73 									  		
       
    74     /**
       
    75      * Serializes TXmlEngNode
       
    76      *
       
    77 	 * @param aRoot Node to be serialized     
       
    78 	 * @param aRFs File server session
       
    79 	 * @param aFileName File name to which document will be serialized
       
    80 	 * @param aOptions Serialization options	 	 
       
    81 	 * @return Number of bytes written
       
    82      *
       
    83      * @leave KErrNoMemory, KErrGeneral, KXmlEngErrWrongEncoding.
       
    84      */
       
    85      TInt SerializeL(RFs& aRFs, 
       
    86 					 const TDesC& aFileName, 
       
    87 					 const TXmlEngNode aRoot = TXmlEngNode(),
       
    88 					 const TXmlEngSerializationOptions& aOptions = TXmlEngSerializationOptions(0));	     
       
    89 	
       
    90     /**
       
    91      * Serializes TXmlEngNode to file
       
    92      *
       
    93 	 * @param aRoot XML data buffer
       
    94 	 * @param aBuffer Buffer to which document will be serialized
       
    95 	 * @param aOptions Serialization options
       
    96 	 * @return Number of bytes written
       
    97      *
       
    98      * @leave KErrNoMemory, KErrGeneral, KXmlEngErrWrongEncoding.
       
    99      */
       
   100 	TInt SerializeL(RBuf8& aBuffer, 
       
   101 	                const TXmlEngNode aRoot = TXmlEngNode(),
       
   102 		   	        const TXmlEngSerializationOptions& aOptions = TXmlEngSerializationOptions(0));
       
   103 
       
   104 private:
       
   105     /**
       
   106      * Constructor
       
   107      */
       
   108     CXmlEngSerializerGZIP();
       
   109             
       
   110     TInt SerializeToFileL(RFs& aRFs,
       
   111                           const TDesC& aFileName,
       
   112                           const TXmlEngNode aNode,
       
   113                           const TXmlEngSerializationOptions& aOpt);
       
   114 
       
   115     TInt SerializeToBufferL(RBuf8& aBuf,
       
   116                             const TXmlEngNode aNode,
       
   117                             const TXmlEngSerializationOptions& aOpt);
       
   118     
       
   119     TInt SerializeToStreamL(MXmlEngOutputStream& aStream,
       
   120                             const TXmlEngNode aNode,
       
   121                             const TXmlEngSerializationOptions& aOpt);
       
   122     };
       
   123 
       
   124 #endif /* XMLENGSERIALIZERGZIP_H */