1 // Copyright (c) 2008-2009 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 // Internal implementation of the SUPL ASN1 Decoder

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalComponent

    21  

    22 */

    23 #ifndef SUPL_ASN1_DECODER_IMPL_H

    24 #define SUPL_ASN1_DECODER_IMPL_H

    25 

    26 #include <e32std.h>

    27 #include "suplasn1decoder.h"

    28 

    29 // forward declarations

    30 class CSuplMessageBase;

    31 class ASN1PERDecodeBuffer;

    32 class ASN1T_ULP_PDU;

    33 class ASN1C_ULP_PDU;

    34 

    35 /**

    36 The class provides an internal implementation of the functionality exposed 

    37 by the CSuplAsn1Decoder interface.

    38 

    39 @see CSuplAsn1Decoder

    40 @see CSuplMessageBase

    41 

    42 @internalComponent

    43 */

    44 NONSHARABLE_CLASS(CSuplAsn1DecoderImpl) : public CBase

    45 	{

    46 public:

    47 	IMPORT_C static CSuplAsn1DecoderImpl* NewL();

    48 	virtual ~CSuplAsn1DecoderImpl();

    49 

    50 public:

    51 	IMPORT_C CSuplMessageBase* DecodeL(const TPtrC8* aBuf, TInt& aError);

    52 	

    53 private:

    54 	CSuplAsn1DecoderImpl();

    55 	void ConstructL();

    56 	

    57 	TInt ProcessAsn1Error(TInt aError);

    58 	TInt AdditionalMessageValidation();

    59 private:

    60 	// Objective Systems compiled object types.

    61 	// Note that these data members object names do not meet Symbian's coding

    62 	// standards as they are created using a third party ASN1 compilation tool.

    63 	

    64 	// ASN1 Decode Buffer Management

    65 	ASN1PERDecodeBuffer* iDecodeBuffer;

    66 	

    67 	// SUPL message data structure and C++ management class for the data.

    68 	// These objects are owned during the decode process. Ownership is passed

    69 	// to a constructed CSuplMessageBase derived wrapper class, which is

    70 	// returned to the calling function on completion of the decode operation.

    71 	ASN1T_ULP_PDU* iData;

    72 	ASN1C_ULP_PDU* iControl;

    73 	};

    74 

    75 #endif //SUPL_ASN1_DECODER_IMPL_H