os/ossrv/genericservices/httputils/Test/t_uriparser/TDelimitedDataCommon.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     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 "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 #include <e32base.h>
    17 
    18 //
    19 //
    20 //	Implementation of LOCAL functions - helper functions
    21 //
    22 //
    23 
    24 template<class HBufCType, class TPtrCType, class TDelimitedParserType>
    25 TInt DoDelimitedDataParsingL(const TDelimitedParserType& aParser, VA_LIST& aSegments)
    26 	{
    27 	// Loop through the list
    28 	TPtrCType parseSegment;
    29 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aSegments);
    30 	while( pExpected )
    31 		{
    32 		// Get the parsed segment - test GetNext()
    33 		if( aParser.GetNext(parseSegment) == KErrNotFound )
    34 			{
    35 			// Should have found something - error!
    36 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
    37 			return KErrNotFound;
    38 			}
    39 		// Got the segment - compare against expected
    40 		if( parseSegment.Compare(*pExpected) != 0 )
    41 			{
    42 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
    43 			return KErrNotFound;
    44 			}
    45 		// Ok, test Dec()...
    46 		if( aParser.Dec() != KErrNone )
    47 			{
    48 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
    49 			return KErrNotFound;
    50 			}
    51 		// Test Peek()
    52 		if( aParser.Peek(parseSegment) == KErrNotFound )
    53 			{
    54 			// Should have found something - error!
    55 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
    56 			return KErrNotFound;
    57 			}
    58 		// Got the segment - compare against expected
    59 		if( parseSegment.Compare(*pExpected) != 0 )
    60 			{
    61 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
    62 			return KErrNotFound;
    63 			}
    64 		// Ok, test Inc()...
    65 		if( aParser.Inc() != KErrNone )
    66 			{
    67 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
    68 			return KErrNotFound;
    69 			}
    70 		// Ok get next expected segment
    71 		CleanupStack::PopAndDestroy(pExpected);	// pExpected
    72 		pExpected = GetNextArgLC<HBufCType>(aSegments);
    73 		}
    74 	// Got to the end - should parse no more segments
    75 	if( aParser.GetNext(parseSegment) != KErrNotFound )
    76 		{
    77 		// Should not have found something - error!
    78 		return KErrNotFound;
    79 		}
    80 	// Ok, test Dec()...
    81 	if( aParser.Dec() != KErrNone )
    82 		{
    83 		return KErrNotFound;
    84 		}
    85 	// Test Peek()
    86 	if( aParser.Peek(parseSegment) == KErrNotFound )
    87 		{
    88 		// Should have found something - error!
    89 		return KErrNotFound;
    90 		}
    91 	// Ok, test Inc()...
    92 	if( aParser.Inc() != KErrNone )
    93 		{
    94 		return KErrNotFound;
    95 		}
    96 	// Ok, test Eos()
    97 	if( !aParser.Eos() != KErrNone )
    98 		{
    99 		return KErrNotFound;
   100 		}
   101 	return KErrNone;
   102 	}
   103 
   104 template<class HBufCType>
   105 HBufCType* GetNextArgLC(VA_LIST& aList)
   106 	{
   107 	const TDesC* arg = VA_ARG(aList, const TDesC*);
   108 	if( arg == NULL )
   109 		{
   110 		return NULL;
   111 		}
   112 	HBufCType* buf = HBufCType::NewLC(arg->Length());
   113 	buf->Des().Copy(*arg);
   114 	return buf;
   115 	}
   116 
   117 template<class TDelimitedParserType>
   118 TInt DoDelimiterPresenceTest(const TDelimitedParserType& aParser, TBool aFrontDelim, TBool aBackDelim)
   119 	{
   120 	TBool frontDelim = aParser.FrontDelimiter();
   121 	if( (!frontDelim && aFrontDelim) | (frontDelim && !aFrontDelim) )
   122 		{
   123 		return KErrNotFound;
   124 		}
   125 	TBool backDelim = aParser.BackDelimiter();
   126 	if( (!backDelim && aBackDelim) | (backDelim && !aBackDelim) )
   127 		{
   128 		return KErrNotFound;
   129 		}
   130 	return KErrNone;
   131 	}
   132 
   133 template<class HBufCType, class TPtrCType, class TDelimitedParserType>
   134 TInt DoDelimitedDataRemainderTestL(const TDelimitedParserType& aParser, VA_LIST& aRemainders)
   135 	{
   136 	// Loop through the list
   137 	TPtrCType parseRemainder;
   138 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aRemainders);
   139 	while( pExpected )
   140 		{
   141 		// Get the remaining data
   142 		if( aParser.Remainder(parseRemainder) == KErrNotFound )
   143 			{
   144 			// Should have found something - error!
   145 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   146 			return KErrNotFound;
   147 			}
   148 		// Got the remainder - compare against expected
   149 		if( parseRemainder.Compare(*pExpected) != 0 )
   150 			{
   151 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   152 			return KErrNotFound;
   153 			}
   154 		// Ok, parse the to the next segment...
   155 		if( aParser.Inc() != KErrNone )
   156 			{
   157 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   158 			return KErrNotFound;
   159 			}
   160 		// Ok get next expected remainder
   161 		CleanupStack::PopAndDestroy(pExpected);	// pExpected
   162 		pExpected = GetNextArgLC<HBufCType>(aRemainders);
   163 		}
   164 	// Got to the end - should get no remainder
   165 	if( aParser.Remainder(parseRemainder) != KErrNotFound )
   166 		{
   167 		// Should not have found something - error!
   168 		return KErrNotFound;
   169 		}
   170 	return KErrNone;
   171 	}
   172 
   173 template<class TDelimitedParserType, class TDesCType>
   174 TInt DoDelimitedDataDes(const TDelimitedParserType& aParser, const TDesCType& aDelimitedData)
   175 	{
   176 	if( aParser.Des().Compare(aDelimitedData) != 0)
   177 		{
   178 		return KErrNotFound;
   179 		}
   180 	return KErrNone;
   181 	}
   182 
   183 template<class HBufCType, class CDelimitedDataType>
   184 TInt DoDelimitedDataPushFrontL(CDelimitedDataType* aParser, VA_LIST& aData)
   185 	{
   186 	// Loop through the list
   187 	TInt error = KErrNone;
   188 	HBufCType* pData = GetNextArgLC<HBufCType>(aData);
   189 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   190 	while( pExpected && pData )
   191 		{
   192 		// Push front
   193 		TRAP(error, aParser->PushFrontL(*pData));
   194 		if( error != KErrNone )
   195 			{
   196 			CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   197 			return error;
   198 			}
   199 		// Check against expected
   200 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   201 			{
   202 			CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   203 			return KErrNotFound;
   204 			}
   205 		// Ok get next set of data
   206 		CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   207 		pData = GetNextArgLC<HBufCType>(aData);
   208 		pExpected = GetNextArgLC<HBufCType>(aData);
   209 		}
   210 	return KErrNone;
   211 	}
   212 
   213 template<class HBufCType, class CDelimitedDataType>
   214 TInt DoDelimitedDataPushBackL(CDelimitedDataType* aParser, VA_LIST& aData)
   215 	{
   216 	// Loop through the list
   217 	TInt error = KErrNone;
   218 	HBufCType* pData = GetNextArgLC<HBufCType>(aData);
   219 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   220 	while( pExpected && pData )
   221 		{
   222 		// Push front
   223 		TRAP(error, aParser->PushBackL(*pData));
   224 		if( error != KErrNone )
   225 			{
   226 			CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   227 			return error;
   228 			}
   229 		// Check against expected
   230 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   231 			{
   232 			CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   233 			return KErrNotFound;
   234 			}
   235 		// Ok get next set of data
   236 		CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   237 		pData = GetNextArgLC<HBufCType>(aData);
   238 		pExpected = GetNextArgLC<HBufCType>(aData);
   239 		}
   240 	return KErrNone;
   241 	}
   242 
   243 template<class HBufCType, class CDelimitedDataType>
   244 TInt DoDelimitedDataPopFrontL(CDelimitedDataType* aParser, VA_LIST& aData)
   245 	{
   246 	// Loop through the list
   247 	TInt error = KErrNone;
   248 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   249 	while( pExpected )
   250 		{
   251 		// Push front
   252 		TRAP(error, aParser->PopFrontL());
   253 		if( error != KErrNone )
   254 			{
   255 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   256 			return error;
   257 			}
   258 		// Check against expected
   259 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   260 			{
   261 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   262 			return KErrNotFound;
   263 			}
   264 		// Ok get next set of data
   265 		CleanupStack::PopAndDestroy(pExpected);	// pExpected
   266 		pExpected = GetNextArgLC<HBufCType>(aData);
   267 		}
   268 	return KErrNone;
   269 	}
   270 
   271 template<class HBufCType, class CDelimitedDataType>
   272 TInt DoDelimitedDataPopBackL(CDelimitedDataType* aParser, VA_LIST& aData)
   273 	{
   274 	// Loop through the list
   275 	TInt error = KErrNone;
   276 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   277 	while( pExpected )
   278 		{
   279 		// Push front
   280 		TRAP(error, aParser->PopBackL());
   281 		if( error != KErrNone )
   282 			{
   283 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   284 			return error;
   285 			}
   286 		// Check against expected
   287 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   288 			{
   289 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   290 			return KErrNotFound;
   291 			}
   292 		// Ok get next set of data
   293 		CleanupStack::PopAndDestroy(pExpected);	// pExpected
   294 		pExpected = GetNextArgLC<HBufCType>(aData);
   295 		}
   296 	return KErrNone;
   297 	}
   298 
   299 template<class CDelimitedDataType>
   300 TInt DoDelimitedDataAddAndTrimFrontAndBackDelimiterL(CDelimitedDataType* aParser)
   301 	{
   302 	TInt error = KErrNone;
   303 	// Add front delimiter
   304 	TRAP(error, aParser->AddFrontDelimiterL());
   305 	if( error != KErrNone )
   306 		{
   307 		return KErrNotFound;
   308 		}
   309 	if( !aParser->Parser().FrontDelimiter() )
   310 		{
   311 		return KErrNotFound;
   312 		}
   313 	// Trim front delimiter
   314 	TRAP(error, aParser->TrimFrontDelimiterL());
   315 	if( error != KErrNone )
   316 		{
   317 		return KErrNotFound;
   318 		}
   319 	if( aParser->Parser().FrontDelimiter() )
   320 		{
   321 		return KErrNotFound;
   322 		}
   323 	// Add back delimiter
   324 	TRAP(error, aParser->AddBackDelimiterL());
   325 	if( error != KErrNone )
   326 		{
   327 		return KErrNotFound;
   328 		}
   329 	if( !aParser->Parser().BackDelimiter() )
   330 		{
   331 		return KErrNotFound;
   332 		}
   333 	// Trim back delimiter
   334 	TRAP(error, aParser->TrimBackDelimiterL());
   335 	if( error != KErrNone )
   336 		{
   337 		return KErrNotFound;
   338 		}
   339 	if( aParser->Parser().BackDelimiter() )
   340 		{
   341 		return KErrNotFound;
   342 		}
   343 	return KErrNone;
   344 	}
   345 
   346 template<class CDelimitedDataType>
   347 TInt DoDelimitedDataParseToPosition(CDelimitedDataType* aParser, TInt aStartPos)
   348 	{
   349 	// Parse to correct place - initial parse must have been done
   350 	TInt i=0;
   351 	while( i < aStartPos && !aParser->Parser().Eos() )
   352 		{
   353 		aParser->Parser().Inc();
   354 		++i;
   355 		}
   356 	if( i != aStartPos )
   357 		{
   358 		return KErrNotFound;
   359 		}
   360 	return KErrNone;
   361 	}
   362 
   363 template<class HBufCType, class TPtrCType, class CDelimitedDataType>
   364 TInt DoDelimitedDataInsertL(CDelimitedDataType* aParser, VA_LIST& aData)
   365 	{
   366 	// Loop through the list and insert!
   367 	TInt error = KErrNone;
   368 	HBufCType* pData = GetNextArgLC<HBufCType>(aData);
   369 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   370 	while( pExpected && pData )
   371 		{
   372 		// Get copy of current segment
   373 		TPtrCType seg;
   374 		aParser->Parser().Peek(seg);
   375 		HBufCType* segCopy = seg.AllocLC();
   376 		// Insert current
   377 		TRAP(error, aParser->InsertCurrentL(*pData));
   378 		if( error != KErrNone )
   379 			{
   380 			CleanupStack::PopAndDestroy(3, pData);	// pData, pExpected, segCopy
   381 			return error;
   382 			}
   383 		// Check against expected
   384 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   385 			{
   386 			CleanupStack::PopAndDestroy(3, pData);	// pData, pExpected, segCopy
   387 			return KErrNotFound;
   388 			}
   389 		// Check that the current segment hasn't changed
   390 		aParser->Parser().Peek(seg);
   391 		if( segCopy->Compare(seg) != 0 )
   392 			{
   393 			CleanupStack::PopAndDestroy(3, pData);	// pData, pExpected, segCopy
   394 			return KErrNotFound;
   395 			}
   396 		// Ok get next set of data
   397 		CleanupStack::PopAndDestroy(3, pData);	// pData, pExpected, segCopy
   398 		pData = GetNextArgLC<HBufCType>(aData);
   399 		pExpected = GetNextArgLC<HBufCType>(aData);
   400 		}
   401 	return KErrNone;
   402 	}
   403 
   404 template<class HBufCType, class TPtrCType, class CDelimitedDataType>
   405 TInt DoDelimitedDataRemoveL(CDelimitedDataType* aParser, VA_LIST& aData)
   406 	{
   407 	// Loop through the list
   408 	TInt error = KErrNone;
   409 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   410 	while( pExpected )
   411 		{
   412 		// Remove current
   413 		TRAP(error, aParser->RemoveCurrentL());
   414 		if( error != KErrNone )
   415 			{
   416 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   417 			return error;
   418 			}
   419 		// Check against expected
   420 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   421 			{
   422 			CleanupStack::PopAndDestroy(pExpected);	// pExpected
   423 			return KErrNotFound;
   424 			}
   425 		// Ok get next set of data
   426 		CleanupStack::PopAndDestroy(pExpected);	// pExpected
   427 		pExpected = GetNextArgLC<HBufCType>(aData);
   428 		}
   429 	return KErrNone;
   430 	}
   431 
   432 template<class HBufCType, class TPtrCType, class CDelimitedDataType>
   433 TInt DoDelimitedDataInsertAndEscapeL(CDelimitedDataType* aParser, VA_LIST& aData)
   434 	{
   435 	// Loop through the list and insert!
   436 	TInt error = KErrNone;
   437 	HBufCType* pData = GetNextArgLC<HBufCType>(aData);
   438 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   439 	while( pExpected && pData )
   440 		{
   441 		// Get copy of current segment
   442 		TPtrCType seg;
   443 		aParser->Parser().Peek(seg);
   444 		HBufCType* segCopy = seg.AllocLC();
   445 		// Insert current
   446 		TRAP(error, aParser->InsertAndEscapeCurrentL(*pData));
   447 		if( error != KErrNone )
   448 			{
   449 			CleanupStack::PopAndDestroy(3, pData);	// pData, pExpected, segCopy
   450 			return error;
   451 			}
   452 		// Check against expected
   453 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   454 			{
   455 			CleanupStack::PopAndDestroy(3, pData);	// pData, pExpected, segCopy
   456 			return KErrNotFound;
   457 			}
   458 		// Check that the current segment hasn't changed
   459 		aParser->Parser().Peek(seg);
   460 		if( segCopy->Compare(seg) != 0 )
   461 			{
   462 			CleanupStack::PopAndDestroy(3, pData);	// pData, pExpected, segCopy
   463 			return KErrNotFound;
   464 			}
   465 		// Ok get next set of data
   466 		CleanupStack::PopAndDestroy(3, pData);	// pData, pExpected, segCopy
   467 		pData = GetNextArgLC<HBufCType>(aData);
   468 		pExpected = GetNextArgLC<HBufCType>(aData);
   469 		}
   470 	return KErrNone;
   471 	}
   472 
   473 template<class HBufCType, class CDelimitedDataType>
   474 TInt DoDelimitedDataPushAndEscapeFrontL(CDelimitedDataType* aParser, VA_LIST& aData)
   475 	{
   476 	// Loop through the list
   477 	TInt error = KErrNone;
   478 	HBufCType* pData = GetNextArgLC<HBufCType>(aData);
   479 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   480 	while( pExpected && pData )
   481 		{
   482 		// Push front
   483 		TRAP(error, aParser->PushAndEscapeFrontL(*pData));
   484 		if( error != KErrNone )
   485 			{
   486 			CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   487 			return error;
   488 			}
   489 		// Check against expected
   490 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   491 			{
   492 			CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   493 			return KErrNotFound;
   494 			}
   495 		// Ok get next set of data
   496 		CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   497 		pData = GetNextArgLC<HBufCType>(aData);
   498 		pExpected = GetNextArgLC<HBufCType>(aData);
   499 		}
   500 	return KErrNone;
   501 	}
   502 
   503 template<class HBufCType, class CDelimitedDataType>
   504 TInt DoDelimitedDataPushAndEscapeBackL(CDelimitedDataType* aParser, VA_LIST& aData)
   505 	{
   506 	// Loop through the list
   507 	TInt error = KErrNone;
   508 	HBufCType* pData = GetNextArgLC<HBufCType>(aData);
   509 	HBufCType* pExpected = GetNextArgLC<HBufCType>(aData);
   510 	while( pExpected && pData )
   511 		{
   512 		// Push front
   513 		TRAP(error, aParser->PushAndEscapeBackL(*pData));
   514 		if( error != KErrNone )
   515 			{
   516 			CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   517 			return error;
   518 			}
   519 		// Check against expected
   520 		if( aParser->Parser().Des().Compare(*pExpected) != 0 )
   521 			{
   522 			CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   523 			return KErrNotFound;
   524 			}
   525 		// Ok get next set of data
   526 		CleanupStack::PopAndDestroy(2, pData);	// pData, pExpected
   527 		pData = GetNextArgLC<HBufCType>(aData);
   528 		pExpected = GetNextArgLC<HBufCType>(aData);
   529 		}
   530 	return KErrNone;
   531 	}