realtimenetprots/sipfw/SIP/Codec/src/CSIPParam.cpp
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     1 // Copyright (c) 2005-2009 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          : CSIPParam.cpp
       
    15 // Part of       : SIP Codec
       
    16 // Version       : SIP/4.0 
       
    17 //
       
    18 
       
    19 
       
    20 
       
    21 #include "CSIPParam.h"
       
    22 #include "SIPSyntaxCheck.h"
       
    23 #include "sipstrings.h"
       
    24 #include "sipcodecerr.h"
       
    25 
       
    26 
       
    27 // -----------------------------------------------------------------------------
       
    28 // CSIPParam::DecodeL
       
    29 // -----------------------------------------------------------------------------
       
    30 //
       
    31 CSIPParam* CSIPParam::DecodeL(const TDesC8& aValue)
       
    32 	{
       
    33 	TPtrC8 pname;
       
    34 	TPtrC8 pvalue;
       
    35 	TBool hasValue = ParseL(aValue,pname,pvalue);
       
    36 	if (hasValue)
       
    37 		{
       
    38 		return CSIPParam::NewL(pname,pvalue);
       
    39 		}
       
    40 	return CSIPParam::NewL(pname);
       
    41 	}
       
    42 	
       
    43 // -----------------------------------------------------------------------------
       
    44 // CSIPParam::ParseL
       
    45 // -----------------------------------------------------------------------------
       
    46 //	
       
    47 TBool CSIPParam::ParseL(const TDesC8& aInput, TPtrC8& aName, TPtrC8& aValue)
       
    48     {
       
    49 	__ASSERT_ALWAYS (aInput.Length() > 0, User::Leave (KErrSipCodecAnyParam));
       
    50 	TInt equalsPos = aInput.Locate('=');
       
    51 	if (equalsPos == 0 || equalsPos == aInput.Length()-1) 
       
    52 		{
       
    53 		User::Leave (KErrSipCodecAnyParam);
       
    54 		}
       
    55 	TBool hasValue = EFalse;	
       
    56 	if (equalsPos > 0 && !SIPSyntaxCheck::StartsAndEndsWithQuotes(aInput))
       
    57 		{
       
    58 		aName.Set(aInput.Left(equalsPos));
       
    59 		aValue.Set(aInput.Mid(equalsPos+1));
       
    60 		hasValue = ETrue;
       
    61 		}
       
    62 	else
       
    63         {
       
    64 	    aName.Set(aInput);    
       
    65         }
       
    66 	return hasValue;    
       
    67     }
       
    68 
       
    69 // -----------------------------------------------------------------------------
       
    70 // CSIPParam::NewL
       
    71 // -----------------------------------------------------------------------------
       
    72 //
       
    73 CSIPParam* CSIPParam::NewL(RStringF aName)
       
    74 	{
       
    75 	CSIPParam* self = CSIPParam::NewLC(aName);
       
    76 	CleanupStack::Pop(self);
       
    77 	return self;
       
    78 	}
       
    79 
       
    80 // -----------------------------------------------------------------------------
       
    81 // CSIPParam::NewLC
       
    82 // -----------------------------------------------------------------------------
       
    83 //
       
    84 CSIPParam* CSIPParam::NewLC(RStringF aName)
       
    85 	{
       
    86 	CSIPParam* self = new(ELeave)CSIPParam;
       
    87 	CleanupStack::PushL(self);
       
    88 	self->ConstructL(aName);
       
    89 	return self;
       
    90 	}
       
    91 	
       
    92 // -----------------------------------------------------------------------------
       
    93 // CSIPParam::NewL
       
    94 // -----------------------------------------------------------------------------
       
    95 //
       
    96 CSIPParam* CSIPParam::NewL(const TDesC8& aName)
       
    97 	{
       
    98 	CSIPParam* self = CSIPParam::NewLC(aName);
       
    99 	CleanupStack::Pop(self);
       
   100 	return self;
       
   101 	}
       
   102 
       
   103 // -----------------------------------------------------------------------------
       
   104 // CSIPParam::NewLC
       
   105 // -----------------------------------------------------------------------------
       
   106 //
       
   107 CSIPParam* CSIPParam::NewLC(const TDesC8& aName)
       
   108 	{
       
   109 	CSIPParam* self = new(ELeave)CSIPParam;
       
   110 	CleanupStack::PushL(self);
       
   111 	self->ConstructL(aName);
       
   112 	return self;
       
   113 	}	
       
   114 
       
   115 // -----------------------------------------------------------------------------
       
   116 // CSIPParam::NewL
       
   117 // -----------------------------------------------------------------------------
       
   118 //
       
   119 CSIPParam* CSIPParam::NewL(RStringF aName, RStringF aValue)
       
   120 	{
       
   121 	CSIPParam* self = CSIPParam::NewLC(aName,aValue);
       
   122 	CleanupStack::Pop(self);
       
   123 	return self;
       
   124 	}
       
   125 
       
   126 // -----------------------------------------------------------------------------
       
   127 // CSIPParam::NewLC
       
   128 // -----------------------------------------------------------------------------
       
   129 //
       
   130 CSIPParam* CSIPParam::NewLC(RStringF aName, RStringF aValue)
       
   131 	{
       
   132 	CSIPParam* self = new(ELeave)CSIPParam;
       
   133 	CleanupStack::PushL(self);
       
   134 	self->ConstructL(aName,aValue);
       
   135 	return self;
       
   136 	}
       
   137 	
       
   138 // -----------------------------------------------------------------------------
       
   139 // CSIPParam::NewL
       
   140 // -----------------------------------------------------------------------------
       
   141 //
       
   142 CSIPParam* CSIPParam::NewL(RStringF aName, const TDesC8& aValue)
       
   143 	{
       
   144 	CSIPParam* self = CSIPParam::NewLC(aName,aValue);
       
   145 	CleanupStack::Pop(self);
       
   146 	return self;
       
   147 	}
       
   148 
       
   149 // -----------------------------------------------------------------------------
       
   150 // CSIPParam::NewLC
       
   151 // -----------------------------------------------------------------------------
       
   152 //
       
   153 CSIPParam* CSIPParam::NewLC(RStringF aName, const TDesC8& aValue)
       
   154 	{
       
   155 	CSIPParam* self = new(ELeave)CSIPParam;
       
   156 	CleanupStack::PushL(self);
       
   157 	self->ConstructL(aName,aValue);
       
   158 	return self;
       
   159 	}	
       
   160 	
       
   161 // -----------------------------------------------------------------------------
       
   162 // CSIPParam::NewL
       
   163 // -----------------------------------------------------------------------------
       
   164 //
       
   165 CSIPParam* CSIPParam::NewL(const TDesC8& aName, const TDesC8& aValue)
       
   166 	{
       
   167 	CSIPParam* self = CSIPParam::NewLC(aName,aValue);
       
   168 	CleanupStack::Pop(self);
       
   169 	return self;
       
   170 	}
       
   171 
       
   172 // -----------------------------------------------------------------------------
       
   173 // CSIPParam::NewLC
       
   174 // -----------------------------------------------------------------------------
       
   175 //
       
   176 CSIPParam* CSIPParam::NewLC(const TDesC8& aName, const TDesC8& aValue)
       
   177 	{
       
   178 	CSIPParam* self = new(ELeave)CSIPParam;
       
   179 	CleanupStack::PushL(self);
       
   180 	self->ConstructL(aName,aValue);
       
   181 	return self;
       
   182 	}	
       
   183 
       
   184 // -----------------------------------------------------------------------------
       
   185 // CSIPParam::NewL
       
   186 // -----------------------------------------------------------------------------
       
   187 //
       
   188 CSIPParam* CSIPParam::NewL(const CSIPParam& aSIPParam)
       
   189 	{
       
   190 	CSIPParam* self = CSIPParam::NewLC(aSIPParam);
       
   191 	CleanupStack::Pop(self);
       
   192 	return self;
       
   193 	}
       
   194 
       
   195 // -----------------------------------------------------------------------------
       
   196 // CSIPParam::NewLC
       
   197 // -----------------------------------------------------------------------------
       
   198 //
       
   199 CSIPParam* CSIPParam::NewLC(const CSIPParam& aSIPParam)
       
   200 	{
       
   201 	CSIPParam* self = new(ELeave)CSIPParam(aSIPParam);
       
   202 	CleanupStack::PushL(self);
       
   203 	self->ConstructL(aSIPParam);
       
   204 	return self;
       
   205 	}
       
   206 
       
   207 // -----------------------------------------------------------------------------
       
   208 // CSIPParam::CSIPParam
       
   209 // -----------------------------------------------------------------------------
       
   210 //
       
   211 CSIPParam::CSIPParam()
       
   212 	{
       
   213 	}
       
   214 	
       
   215 // -----------------------------------------------------------------------------
       
   216 // CSIPParam::CSIPParam
       
   217 // -----------------------------------------------------------------------------
       
   218 //
       
   219 CSIPParam::CSIPParam(const CSIPParam& aSIPParam) : CBase()
       
   220 	{
       
   221 	iName = aSIPParam.Name().Copy();
       
   222 	iValue = aSIPParam.Value().Copy();
       
   223 	iHasValue = aSIPParam.HasValue();
       
   224 	iAddQuotesWhenEncoding = aSIPParam.iAddQuotesWhenEncoding;
       
   225 	}
       
   226 
       
   227 // -----------------------------------------------------------------------------
       
   228 // CSIPParam::ConstructL
       
   229 // -----------------------------------------------------------------------------
       
   230 //
       
   231 void CSIPParam::ConstructL(RStringF aName)
       
   232 	{
       
   233 	iDesValue = KNullDesC8().AllocL();
       
   234 	SetL(iName,aName.DesC());
       
   235 	}
       
   236 	
       
   237 // -----------------------------------------------------------------------------
       
   238 // CSIPParam::ConstructL
       
   239 // -----------------------------------------------------------------------------
       
   240 //
       
   241 void CSIPParam::ConstructL(const TDesC8& aName)
       
   242 	{
       
   243 	iDesValue = KNullDesC8().AllocL();
       
   244 	SetL(iName,aName);
       
   245 	}	
       
   246 
       
   247 // -----------------------------------------------------------------------------
       
   248 // CSIPParam::ConstructL
       
   249 // -----------------------------------------------------------------------------
       
   250 //
       
   251 void CSIPParam::ConstructL(RStringF aName, RStringF aValue)
       
   252 	{
       
   253 	iDesValue = KNullDesC8().AllocL();
       
   254 	SetL(iName,aName.DesC());
       
   255 	SetL(iValue,aValue.DesC(),EFalse);
       
   256 	iHasValue = ETrue;
       
   257 	}
       
   258 	
       
   259 // -----------------------------------------------------------------------------
       
   260 // CSIPParam::ConstructL
       
   261 // -----------------------------------------------------------------------------
       
   262 //
       
   263 void CSIPParam::ConstructL(RStringF aName, const TDesC8& aValue)
       
   264 	{
       
   265 	iDesValue = KNullDesC8().AllocL();
       
   266 	SetL(iName,aName.DesC());
       
   267 	SetL(iValue,aValue,EFalse);
       
   268 	iHasValue = ETrue;
       
   269 	}
       
   270 	
       
   271 // -----------------------------------------------------------------------------
       
   272 // CSIPParam::ConstructL
       
   273 // -----------------------------------------------------------------------------
       
   274 //
       
   275 void CSIPParam::ConstructL(const TDesC8& aName, const TDesC8& aValue)
       
   276 	{
       
   277 	iDesValue = KNullDesC8().AllocL();
       
   278 	SetL(iName,aName);
       
   279 	SetL(iValue,aValue,EFalse);
       
   280 	iHasValue = ETrue;
       
   281 	}
       
   282 
       
   283 // -----------------------------------------------------------------------------
       
   284 // CSIPParam::ConstructL
       
   285 // -----------------------------------------------------------------------------
       
   286 //	
       
   287 void CSIPParam::ConstructL(const CSIPParam& aSIPParam)
       
   288     {
       
   289     iDesValue = aSIPParam.iDesValue->AllocL();
       
   290     }
       
   291 
       
   292 // -----------------------------------------------------------------------------
       
   293 // CSIPParam::~CSIPParam
       
   294 // -----------------------------------------------------------------------------
       
   295 //
       
   296 CSIPParam::~CSIPParam()
       
   297 	{
       
   298 	iName.Close();
       
   299 	iValue.Close();
       
   300 	delete iDesValue;
       
   301 	}
       
   302 
       
   303 // -----------------------------------------------------------------------------
       
   304 // CSIPParam::Name
       
   305 // -----------------------------------------------------------------------------
       
   306 //
       
   307 RStringF CSIPParam::Name() const
       
   308 	{
       
   309 	return iName;
       
   310 	}
       
   311 
       
   312 // -----------------------------------------------------------------------------
       
   313 // CSIPParam::HasValue
       
   314 // -----------------------------------------------------------------------------
       
   315 //
       
   316 TBool CSIPParam::HasValue() const
       
   317 	{
       
   318 	return iHasValue;
       
   319 	}
       
   320 
       
   321 // -----------------------------------------------------------------------------
       
   322 // CSIPParam::Value
       
   323 // -----------------------------------------------------------------------------
       
   324 //
       
   325 RStringF CSIPParam::Value() const
       
   326 	{
       
   327 	return iValue;
       
   328 	}
       
   329 
       
   330 // -----------------------------------------------------------------------------
       
   331 // CSIPParam::DesValue
       
   332 // -----------------------------------------------------------------------------
       
   333 //
       
   334 const TDesC8& CSIPParam::DesValue() const
       
   335     {
       
   336     return *iDesValue;
       
   337     }
       
   338 
       
   339 // -----------------------------------------------------------------------------
       
   340 // CSIPParam::SetValueL
       
   341 // -----------------------------------------------------------------------------
       
   342 //	
       
   343 void CSIPParam::SetValueL(const TDesC8& aValue, TBool aAddQuotesWhenEncoding)
       
   344     {
       
   345 	HBufC8* tmp = aValue.AllocLC();
       
   346 	if (!aAddQuotesWhenEncoding)
       
   347 	    {
       
   348 	    tmp->Des().Trim();
       
   349 	    }
       
   350 	RStringF tmpStr = SIPStrings::Pool().OpenFStringL(*tmp);
       
   351 	CleanupStack::Pop(tmp);
       
   352     iValue.Close();
       
   353     iValue = tmpStr;
       
   354     iHasValue = ETrue;
       
   355     iAddQuotesWhenEncoding = aAddQuotesWhenEncoding;
       
   356     if (aAddQuotesWhenEncoding)
       
   357         {
       
   358         delete iDesValue;
       
   359         iDesValue = tmp;
       
   360         tmp = NULL;
       
   361         }
       
   362  	delete tmp;
       
   363     }
       
   364 
       
   365 // -----------------------------------------------------------------------------
       
   366 // CSIPParam::operator==
       
   367 // -----------------------------------------------------------------------------
       
   368 //
       
   369 TBool CSIPParam::operator==(const CSIPParam& aSIPParam) const
       
   370 	{
       
   371 	if (aSIPParam.HasValue() != HasValue()) 
       
   372 		{
       
   373 		return EFalse;
       
   374 		}
       
   375 	if (iName != aSIPParam.Name()) 
       
   376 		{
       
   377 		return EFalse;
       
   378 		}
       
   379 	if (HasValue() && iValue != aSIPParam.Value()) 
       
   380 		{
       
   381 		return EFalse;
       
   382 		}
       
   383 	return ETrue;
       
   384 	}
       
   385 
       
   386 // -----------------------------------------------------------------------------
       
   387 // CSIPParam::ToTextLC
       
   388 // -----------------------------------------------------------------------------
       
   389 //
       
   390 HBufC8* CSIPParam::ToTextLC () const
       
   391 	{
       
   392 	TPtrC8 name = iName.DesC();
       
   393 	TPtrC8 value = iValue.DesC();
       
   394 	TUint length = name.Length();
       
   395 	if (HasValue())
       
   396 		{
       
   397 		length += 1; // '='
       
   398 		if (iAddQuotesWhenEncoding)
       
   399 		    {
       
   400 		    const TInt KQuotesLength = 2;
       
   401 		    length += KQuotesLength;
       
   402 		    length += iDesValue->Length();
       
   403 		    }
       
   404 		else
       
   405 		    {
       
   406 		    length += value.Length();
       
   407 		    }
       
   408 		}
       
   409 	HBufC8* result = HBufC8::NewLC(length);
       
   410 	TPtr8 resultPtr(result->Des());
       
   411 	resultPtr.Append(name);
       
   412 	if (HasValue())
       
   413 		{
       
   414 		resultPtr.Append('=');
       
   415 		if (iAddQuotesWhenEncoding)
       
   416 		    {
       
   417 		    resultPtr.Append('"');
       
   418 		    resultPtr.Append(*iDesValue);
       
   419 		    resultPtr.Append('"');
       
   420 		    }
       
   421 		else
       
   422 		    {
       
   423 		    resultPtr.Append(value);
       
   424 		    }		
       
   425 		}
       
   426 	return result;
       
   427 	}
       
   428 
       
   429 // -----------------------------------------------------------------------------
       
   430 // CSIPParam::InternalizeL
       
   431 // -----------------------------------------------------------------------------
       
   432 //
       
   433 CSIPParam* CSIPParam::InternalizeL (RReadStream& aReadStream)
       
   434 	{
       
   435 	CSIPParam* self = new(ELeave)CSIPParam;
       
   436 	CleanupStack::PushL(self);
       
   437 	self->DoInternalizeL(aReadStream);
       
   438 	CleanupStack::Pop(self);
       
   439 	return self;
       
   440 	}
       
   441 
       
   442 // -----------------------------------------------------------------------------
       
   443 // CSIPParam::ExternalizeL
       
   444 // -----------------------------------------------------------------------------
       
   445 //
       
   446 void CSIPParam::ExternalizeL(RWriteStream& aWriteStream) const
       
   447 	{
       
   448 	TPtrC8 name(iName.DesC());
       
   449 	aWriteStream.WriteUint32L(name.Length());
       
   450 	aWriteStream.WriteL(name);
       
   451 	TPtrC8 value(iValue.DesC());
       
   452 	aWriteStream.WriteUint32L(value.Length());
       
   453 	if (value.Length() > 0)
       
   454 		{
       
   455 		aWriteStream.WriteL(value);
       
   456 		}
       
   457     aWriteStream.WriteUint8L(iHasValue);
       
   458     aWriteStream.WriteUint8L(iAddQuotesWhenEncoding);
       
   459     TInt desValueLength = iDesValue->Length();
       
   460     aWriteStream.WriteUint32L(desValueLength);
       
   461     if (desValueLength > 0)
       
   462         {
       
   463         aWriteStream.WriteL(*iDesValue);
       
   464         }
       
   465 	}
       
   466 
       
   467 // -----------------------------------------------------------------------------
       
   468 // CSIPParam::DoInternalizeL
       
   469 // -----------------------------------------------------------------------------
       
   470 //
       
   471 void CSIPParam::DoInternalizeL(RReadStream& aReadStream)
       
   472 	{
       
   473 	TUint32 nameLength = aReadStream.ReadUint32L();
       
   474 	HBufC8* name = HBufC8::NewLC(nameLength);
       
   475 	TPtr8 namePtr(name->Des());
       
   476 	aReadStream.ReadL(namePtr, nameLength);
       
   477 	iName = SIPStrings::Pool().OpenFStringL(namePtr);
       
   478 	CleanupStack::PopAndDestroy(name);
       
   479 	
       
   480 	TUint32 valueLength = aReadStream.ReadUint32L();
       
   481 	HBufC8* value = HBufC8::NewLC(valueLength);
       
   482 	if (valueLength > 0)
       
   483 		{
       
   484 		TPtr8 valuePtr(value->Des());
       
   485 		aReadStream.ReadL(valuePtr, valueLength);
       
   486 		iValue = SIPStrings::Pool().OpenFStringL(valuePtr);
       
   487 		}
       
   488 	CleanupStack::PopAndDestroy(value);
       
   489 	iHasValue = (aReadStream.ReadUint8L() != 0);
       
   490 	iAddQuotesWhenEncoding = (aReadStream.ReadUint8L() != 0);
       
   491 	TUint32 desValueLength = aReadStream.ReadUint32L();
       
   492 	iDesValue = HBufC8::NewL(desValueLength);
       
   493 	if (desValueLength > 0)
       
   494 	    {
       
   495 		TPtr8 desValuePtr(iDesValue->Des());
       
   496 		aReadStream.ReadL(desValuePtr, desValueLength);
       
   497 	    }
       
   498 	}
       
   499 	
       
   500 // -----------------------------------------------------------------------------
       
   501 // CSIPParam::SetL
       
   502 // -----------------------------------------------------------------------------
       
   503 //	
       
   504 void CSIPParam::SetL(RStringF& aString, const TDesC8& aDes, TBool aCheckLength)
       
   505 	{
       
   506 	HBufC8* tmp = aDes.AllocLC();
       
   507 	tmp->Des().Trim();
       
   508 	if (aCheckLength && tmp->Length() == 0)
       
   509 	    {
       
   510 	    User::Leave(KErrSipCodecAnyParam);
       
   511 	    }
       
   512 	aString = SIPStrings::Pool().OpenFStringL(*tmp);
       
   513 	CleanupStack::PopAndDestroy(tmp);	
       
   514 	}