1 // Copyright (c) 2001-2009 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 

    18 /**

    19  @file THTTPHdrFieldIter.h

    20  @warning : This file contains Rose Model ID comments - please do not delete

    21 */

    22 

    23 #ifndef __THTTPHDRFIELDITER_H__

    24 #define __THTTPHDRFIELDITER_H__

    25 

    26 // System includes

    27 #include <e32std.h>

    28 #include <stringpool.h>

    29 

    30 // Forward declarations

    31 class CHeaders;

    32 

    33 

    34 //##ModelId=3A914DFD005C

    35 class THTTPHdrFieldIter

    36 /** 

    37 Iterator class to iterate the fields within a RHTTPHeaders. 

    38 @publishedAll

    39 @released

    40 */

    41 	{

    42 public:

    43 	/** Construct an iterator for the fields of the supplied header collection.

    44 		@param aHeaders The header collection whose fields we want to iterate

    45 	*/

    46 	//##ModelId=3A914DFD0087

    47 	THTTPHdrFieldIter(const CHeaders* aHeaders);

    48 	/** Class destructor

    49 	*/

    50 	//##ModelId=3A914DFD0086

    51 	IMPORT_C ~THTTPHdrFieldIter();

    52 

    53 	/** Reset iterator to point at the first field in the header collection

    54 	*/

    55 	//##ModelId=3A914DFD0085

    56 	IMPORT_C void First();

    57 

    58 	/** Check if the iterator is at the end of the collection. If so,

    59 	    further calls to operator() will return NULL.

    60 		@return True if the iterator has reached the end of the header

    61 		fields 

    62 	*/

    63 	//##ModelId=3A914DFD0084

    64 	IMPORT_C TBool AtEnd() const;

    65 

    66 	/** Advance the iterator to the next field.

    67 		@return True if the iterator still points at a valid part

    68 		after advancing.

    69 	*/

    70 	//##ModelId=3A914DFD007E

    71 	IMPORT_C void operator++();

    72 

    73 	/** Obtain the name of the header field currently pointed at by

    74 		the iterator.

    75 		@return The field name; or <empty string> if the iterator has

    76 		gone off the end of the header collection 

    77 	*/

    78 	//##ModelId=3A914DFD007D

    79 	IMPORT_C RStringTokenF operator()();

    80 

    81 private:

    82 

    83 	/** Check the iterator state for invalidity following deletions in the collection

    84 	*/

    85 	//##ModelId=3BA613240002

    86 	void CheckInvalidation();

    87 

    88 	/** The headers whose fields we are iterating.

    89 	*/

    90 	//##ModelId=3A914DFD007A

    91 	const CHeaders* iHeaders;

    92 	/** The index of the field in the header that is currently pointed

    93 		at by the iterator

    94 	*/

    95 	//##ModelId=3A914DFD0072

    96 	TInt iPosIdx;

    97 	};

    98 

    99 inline THTTPHdrFieldIter::THTTPHdrFieldIter(const CHeaders* aHeaders)

   100 	: iHeaders(aHeaders)

   101 	{

   102 	First();

   103 	}

   104 

   105 

   106 #endif // __THTTPHDRFIELDITER_H__