realtimenetprots/sipfw/SIP/Codec/src/CSIPParameterHeaderBase.cpp
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     1 // Copyright (c) 2004-2009 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 // Name          : CSIPParameterHeaderBase.cpp
       
    15 // Part of       : SIP Codec
       
    16 // Version       : SIP/4.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include "sipparameterheaderbase.h"
       
    22 #include "CSIPParamContainerBase.h"
       
    23 #include "CSIPTokenizer.h"
       
    24 #include "sipcodecerr.h"
       
    25 #include "SIPSyntaxCheck.h"
       
    26 #include "_sipcodecdefs.h"
       
    27 
       
    28 
       
    29 // -----------------------------------------------------------------------------
       
    30 // CSIPParameterHeaderBase::CSIPParameterHeaderBase
       
    31 // -----------------------------------------------------------------------------
       
    32 //
       
    33 CSIPParameterHeaderBase::CSIPParameterHeaderBase()
       
    34 	{
       
    35 	}
       
    36 	
       
    37 // -----------------------------------------------------------------------------
       
    38 // CSIPParameterHeaderBase::CSIPParameterHeaderBase
       
    39 // -----------------------------------------------------------------------------
       
    40 //
       
    41 CSIPParameterHeaderBase::CSIPParameterHeaderBase(const TChar& aSeparator)
       
    42  : iSeparator(aSeparator)
       
    43 	{
       
    44 	}	
       
    45 
       
    46 // -----------------------------------------------------------------------------
       
    47 // CSIPParameterHeaderBase::~CSIPParameterHeaderBase
       
    48 // -----------------------------------------------------------------------------
       
    49 //
       
    50 EXPORT_C CSIPParameterHeaderBase::~CSIPParameterHeaderBase()
       
    51 	{
       
    52 	}
       
    53 
       
    54 // -----------------------------------------------------------------------------
       
    55 // CSIPParameterHeaderBase::HasParam
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 EXPORT_C TBool CSIPParameterHeaderBase::HasParam(RStringF aName) const
       
    59 	{
       
    60 	return Params().HasParam(aName);
       
    61 	}
       
    62 
       
    63 // -----------------------------------------------------------------------------
       
    64 // CSIPParameterHeaderBase::ParamValue
       
    65 // -----------------------------------------------------------------------------
       
    66 //
       
    67 EXPORT_C RStringF CSIPParameterHeaderBase::ParamValue(RStringF aName) const
       
    68 	{
       
    69 	return Params().ParamValue(aName);
       
    70 	}		
       
    71 
       
    72 // -----------------------------------------------------------------------------
       
    73 // CSIPParameterHeaderBase::SetParamL
       
    74 // -----------------------------------------------------------------------------
       
    75 //
       
    76 EXPORT_C void CSIPParameterHeaderBase::SetParamL (RStringF aName,
       
    77                                                   RStringF aValue)
       
    78 	{
       
    79     __ASSERT_ALWAYS(ParamInsertionAllowed(),
       
    80                     User::Leave(KErrSipCodecNotAllowed));
       
    81 	Params().SetParamL(aName,aValue);
       
    82 	}
       
    83 
       
    84 // -----------------------------------------------------------------------------
       
    85 // CSIPParameterHeaderBase::SetParamL
       
    86 // -----------------------------------------------------------------------------
       
    87 //
       
    88 EXPORT_C void CSIPParameterHeaderBase::SetParamL (RStringF aName)
       
    89 	{
       
    90     __ASSERT_ALWAYS(ParamInsertionAllowed(),
       
    91                     User::Leave(KErrSipCodecNotAllowed));
       
    92     Params().SetParamL(aName);
       
    93 	}
       
    94 
       
    95 // -----------------------------------------------------------------------------
       
    96 // CSIPParameterHeaderBase::DeleteParam
       
    97 // -----------------------------------------------------------------------------
       
    98 //
       
    99 EXPORT_C void CSIPParameterHeaderBase::DeleteParam(RStringF aName)
       
   100 	{
       
   101 	Params().DeleteParam(aName);
       
   102 	}
       
   103 
       
   104 // -----------------------------------------------------------------------------
       
   105 // CSIPParameterHeaderBase::ParamCount
       
   106 // -----------------------------------------------------------------------------
       
   107 //
       
   108 EXPORT_C TInt CSIPParameterHeaderBase::ParamCount() const
       
   109     {
       
   110     return Params().ParamCount();
       
   111     }
       
   112 
       
   113 // -----------------------------------------------------------------------------
       
   114 // CSIPParameterHeaderBase::Param
       
   115 // -----------------------------------------------------------------------------
       
   116 //
       
   117 EXPORT_C TInt CSIPParameterHeaderBase::Param(TInt aIndex, RStringF& aName) const
       
   118     {
       
   119     return Params().ParamName(aIndex,aName);
       
   120     }
       
   121 
       
   122 // -----------------------------------------------------------------------------
       
   123 // CSIPParameterHeaderBase::ToTextValueL
       
   124 // From CSIPHeaderBase:
       
   125 // -----------------------------------------------------------------------------
       
   126 //
       
   127 EXPORT_C HBufC8* CSIPParameterHeaderBase::ToTextValueL() const
       
   128 	{
       
   129 	HBufC8* encodedMandatoryPart = ToTextMandatoryPartLC();
       
   130 	TUint encodedLength = encodedMandatoryPart->Length(); 
       
   131 
       
   132 	HBufC8* encodedParams = Params().ToTextLC();
       
   133 	if (Params().ParamCount() > 0)
       
   134 		{
       
   135 		encodedLength += 1; // separator		
       
   136 		encodedLength += encodedParams->Length();
       
   137 		}
       
   138 
       
   139 	HBufC8* encodingResult = HBufC8::NewL (encodedLength);
       
   140 	TPtr8 encodingResultPtr = encodingResult->Des();
       
   141 
       
   142 	encodingResultPtr.Append(*encodedMandatoryPart);
       
   143 
       
   144 	if (Params().ParamCount() > 0)
       
   145 		{
       
   146 		encodingResultPtr.Append(iSeparator);
       
   147 		encodingResultPtr.Append(*encodedParams);
       
   148 		}
       
   149 
       
   150 	CleanupStack::PopAndDestroy(encodedParams);
       
   151 	CleanupStack::PopAndDestroy(encodedMandatoryPart);
       
   152 	return encodingResult;
       
   153 	}
       
   154 
       
   155 // -----------------------------------------------------------------------------
       
   156 // CSIPParameterHeaderBase::ParseL
       
   157 // -----------------------------------------------------------------------------
       
   158 //
       
   159 void CSIPParameterHeaderBase::ParseL(const TDesC8& aValue, 
       
   160                                      TBool aIgnoreParenthesis,
       
   161                                      TBool aSkipSeparatorsBeforeAt)
       
   162 	{
       
   163 	CSIPTokenizer* tokenizer = 
       
   164         CSIPTokenizer::NewLC(aValue,
       
   165         					 iSeparator, 
       
   166         					 aIgnoreParenthesis, 
       
   167         					 EFalse, 
       
   168         					 aSkipSeparatorsBeforeAt);
       
   169     ParseMandatoryPartL (tokenizer->Tokens()[0]);
       
   170     if (tokenizer->Tokens().Count() > 1 && !ParamInsertionAllowed())
       
   171         {
       
   172         User::Leave(KErrSipCodecAnyParam);
       
   173         }
       
   174 	for (TInt i=1; i < tokenizer->Tokens().Count(); i++)
       
   175 		{
       
   176 		CSIPParam* param = CSIPParam::DecodeL(tokenizer->Tokens()[i]);
       
   177 		CleanupStack::PushL (param);
       
   178 		//here the check for Duplicate Parameter was removed to solve Inter-op Issues.
       
   179 		Params().SetParamL (param);
       
   180 		CleanupStack::Pop(param);
       
   181 		}
       
   182 	CleanupStack::PopAndDestroy(tokenizer);
       
   183 	}
       
   184 
       
   185 // -----------------------------------------------------------------------------
       
   186 // CSIPParameterHeaderBase::ParamInsertionAllowed
       
   187 // -----------------------------------------------------------------------------
       
   188 //
       
   189 TBool CSIPParameterHeaderBase::ParamInsertionAllowed() const
       
   190     {
       
   191     // default implementation
       
   192     return ETrue;
       
   193     }