1 // Copyright (c) 2002-2009 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 //

    15 

    16 #ifndef __CHTTPHEADERWRITER_H__

    17 #define __CHTTPHEADERWRITER_H__

    18 

    19 #include <e32base.h>

    20 #include <stringpool.h>

    21 #include <http/framework/cheadercodec.h>

    22 

    23 

    24 /**	CHttpHeaderWriter is used by its owning codec to do conversion of header data from

    25 	the generic format (of parts and parameters) to the plain-text representation.

    26 */

    27 class CHttpHeaderWriter : public CHeaderWriter

    28 	{

    29 protected: // methods

    30 

    31 	CHttpHeaderWriter(RStringPool aStringPool);

    32 

    33 	/** Helper to DoAcceptL(), DoAcceptCharsetL(), DoAcceptLanguageL() and DoAcceptEncodingL() for comma-separated

    34 	    lists incorporating q-values.

    35 	    @param aHeader The header field being encoded

    36 	    @param aFieldType A string reference to the field type being encoded

    37 	    @param aErrorCode An error value to use when encoding fails

    38 	*/

    39 	void DoGeneralAcceptHeaderL(TInt aNormalHeaderLen, RHeaderField& aHeader, RStringF aFieldType, TInt aErrorCode) const;

    40 

    41 	/** Helper to DoConnectionL(), DoContentEncodingL(), DoTransferEncodingL(), etc., which take comma-separated

    42 	    token lists.

    43 	    @param aHeader The header field being encoded

    44 	    @param aErrorCode An error value to use when encoding fails

    45 	*/

    46 	void DoTokenCsvListHeaderL(RHeaderField& aHeader, TInt aErrorCode) const;

    47 

    48 	/** Helper to DoUserAgentL(), etc., which take token lists with arbitrary separators

    49 	    @param aHeader The header field being encoded

    50 	    @param aFieldType A string reference to the field type being encoded

    51 	    @param aErrorCode An error value to use when encoding fails

    52 	*/

    53 	void DoTokenListHeaderL(RHeaderField& aHeader, const TDesC8& aSep, TInt aErrorCode) const;

    54 	const CHeaderFieldPart* WriteRawStrFPartL(RHeaderField& aHeader, THeaderFieldPartIter& aIter, TInt aErrorCode) const;

    55 	void EncodeGenericDateL(RHeaderField& aHeader, TInt aErrorCodeToUseOnFailure) const;

    56 	void EncodeGenericNumberHeaderL(RHeaderField& aHeader, TInt aErrorCodeToUseOnFailure) const;

    57 

    58 protected: // attributes

    59 

    60 	RStringPool iStringPool;

    61 

    62 	const TStringTable&    iStringTable;

    63 	};

    64 

    65 #endif	// __CHTTPHEADERWRITER_H__