lowlevellibsandfws/apputils/src/BaAssert.cpp
changeset 0 e4d67989cc36
equal deleted inserted replaced
-1:000000000000 0:e4d67989cc36
       
     1 // Copyright (c) 2003-2009 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 <e32std.h>
       
    17 #include "BaAssert.h"
       
    18 #include "BaCompileAssert.h"
       
    19 
       
    20 //You are not allowed to add/change something into KErrorMapTbl
       
    21 //array without adding/changing TBafPanic enum value, which is used
       
    22 //as an array index for accessing KErrorMapTbl array elements.
       
    23 LOCAL_D const TInt KErrorMapTbl[] = 
       
    24 	{
       
    25 	KErrCorrupt,
       
    26 	KErrCorrupt, //EBafPanicResourceLongerThanBuffer			=1,
       
    27 	KErrCorrupt, //EBafPanicMatcherOutOfRange					=2,
       
    28 	KErrCorrupt, //EBafPanicTextBufOutOfRange					=3,
       
    29 	KErrEof,	 //EBafPanicResourceReaderEndExceeded			=4,
       
    30 	KErrArgument,//EBafPanicResourceReaderStartExceeded			=5,
       
    31 	KErrCorrupt, //EBafPanicBulkDataWriting						=6,
       
    32 	KErrCorrupt, //EBafPanicBulkDataNotWriting					=7,
       
    33 	KErrCorrupt, //EBafPanicBulkDataCannotSaveToFile			=8,
       
    34 	KErrCorrupt, //EBafPanicBulkDataNotEmbedded					=9,
       
    35 	KErrCorrupt, //EBafPanicSoundDataCannotChangeCompressorType	=10,
       
    36 	KErrCorrupt, //EBafPanicSoundPlaying						=11,
       
    37 	KErrCorrupt, //EBafPanicSoundSamplerActive					=12,
       
    38 	KErrCorrupt, //EBafPanicLibAssocAlreadySet					=13,
       
    39 	KErrCorrupt, //EBafPanicSystemSoundNoPath					=14,
       
    40 	KErrCorrupt, //EBafPanicUnicodeTextPaddingError				=15,
       
    41 	KErrCorrupt, //EBafPanicOldResourceFormat					=16, // no longer used
       
    42 	KErrCorrupt, //EBafPanicInvalidSoundCategory				=17,
       
    43 	KErrCorrupt, //EBafPanicInvalidSoundPriority				=18,
       
    44 	KErrCorrupt, //EBafPanicNullUid								=19,
       
    45 	KErrCorrupt, //EBafPanicBadResourceFileFormat				=20,
       
    46 	KErrCorrupt, //EBafPanicBadArrayPosition					=21,
       
    47 	KErrCorrupt, //EBafPanicBadCompareNames						=22,
       
    48 	KErrCorrupt, //EBafPanicBadDrive							=23,
       
    49 	KErrCorrupt, //EBafPanicBadDecompression					=24,
       
    50 	KErrCorrupt, //EBafPanicIndexIsOddNumberOfBytes				=25,
       
    51 	KErrCorrupt, //EBafPanicBadNumberOfResources				=26,
       
    52 	KErrCorrupt, //EBafPanicBadCacheLength						=27,
       
    53 	KErrCorrupt, //EBafPanicBadIndexLength1						=28,
       
    54 	KErrCorrupt, //EBafPanicBadIndexLength2						=29,
       
    55 	KErrCorrupt, //EBafPanicBadIndexLength3						=30,
       
    56 	KErrArgument,//EBafPanicBadInitialization1					=31, We can't get ROM file address, so we expect that it is RAM file
       
    57 	KErrArgument,//EBafPanicBadInitialization2					=32,
       
    58 	KErrArgument,//EBafPanicBadInitialization3					=33,
       
    59 	KErrCorrupt, //EBafPanicIndexOverRan						=34,
       
    60 	KErrCorrupt, //EBafPanicNullPointer							=35,
       
    61 	KErrGeneral, //EBafPanicNotOpened							=36, CExtra instance is NULL
       
    62 	KErrCorrupt, //EBafPanicNegativeArrayIndex					=37,
       
    63 	KErrEof,	 //EBafPanicEndOfStream1						=38,
       
    64 	KErrEof,	 //EBafPanicEndOfStream2						=39,
       
    65 	KErrCorrupt, //EBafPanicBadNumberOfConsecutivePrefixBits1	=40,
       
    66 	KErrCorrupt, //EBafPanicBadNumberOfConsecutivePrefixBits2	=41,
       
    67 	KErrCorrupt, //EBafPanicBadNumberOfBitsOffByteBoundary1		=42,
       
    68 	KErrCorrupt, //EBafPanicBadNumberOfBitsOffByteBoundary2		=43,
       
    69 	KErrCorrupt, //EBafPanicNegativeOffsetToFirstBit1			=44,
       
    70 	KErrCorrupt, //EBafPanicNegativeOffsetToFirstBit2			=45,
       
    71 	KErrCorrupt, //EBafPanicBadCurrentBitPosition1				=46,
       
    72 	KErrCorrupt, //EBafPanicBadCurrentBitPosition2				=47,
       
    73 	KErrCorrupt, //EBafPanicBadNumberOfBitsReadFromCurrentByte	=48,
       
    74 	KErrCorrupt, //EBafPanicBadNumberOfBitsLeftToRead			=49,
       
    75 	KErrCorrupt, //EBafPanicNotConstructed1						=50,
       
    76 	KErrCorrupt, //EBafPanicNotConstructed2						=51,
       
    77 	KErrCorrupt, //EBafPanicNotConstructed3						=52,
       
    78 	KErrCorrupt, //EBafPanicNotConstructed4						=53,
       
    79 	KErrCorrupt, //EBafPanicNotConstructed5						=54,
       
    80 	KErrCorrupt, //EBafPanicNegativeLengthOfBitBuffer			=55,
       
    81 	KErrArgument,//EBafPanicNegativeResourceIndex1				=56,
       
    82 	KErrCorrupt, //EBafPanicNegativeResourceIndex2				=57,
       
    83 	KErrCorrupt, //EBafPanicNegativeResourceIndex3				=58,
       
    84 	KErrCorrupt, //EBafPanicBadFlags1							=59,
       
    85 	KErrCorrupt, //EBafPanicBadFlags2							=60,
       
    86 	KErrCorrupt, //EBafPanicBadFlags3							=61,
       
    87 	KErrCorrupt, //EBafPanicBadFlags4							=62,
       
    88 	KErrCorrupt, //EBafPanicBadFlags5							=63,
       
    89 	KErrCorrupt, //EBafPanicBadFlags6							=64,
       
    90 	KErrCorrupt, //EBafPanicNegativeIndexEntry					=65,
       
    91 	KErrCorrupt, //EBafPanicBadSizeOfLargestResourceWhenCompletelyUncompressed1=66,
       
    92 	KErrCorrupt, //EBafPanicBadSizeOfLargestResourceWhenCompletelyUncompressed2=67,
       
    93 	KErrCorrupt, //EBafPanicBadSizeOfLargestResourceWhenCompletelyUncompressed3=68,
       
    94 	KErrCorrupt, //EBafPanicBadHeaderLength						=69
       
    95 	KErrCorrupt, //EBafPanicNullPtr1							=70,
       
    96 	KErrArgument,//EBafPanicNullPtr2							=71
       
    97 	KErrCorrupt, //EBafPanicNullPtr3							=72
       
    98 	KErrCorrupt, //EBafPanicNullPtr4							=73
       
    99 	KErrCorrupt, //EBafPanicNullPtr5							=74
       
   100 	KErrCorrupt, //EBafPanicNullPtr6							=75
       
   101 	KErrCorrupt, //EBafPanicNullPtr7							=76
       
   102 	KErrCorrupt, //EBafPanicNullPtr8							=77
       
   103 	KErrCorrupt, //EBafPanicNullPtr9							=78
       
   104 	KErrCorrupt, //EBafPanicNullPtr10							=79
       
   105 	KErrCorrupt, //EBafPanicNullPtr11							=80
       
   106 	KErrCorrupt, //EBafPanicNullPtr12							=81
       
   107 	KErrCorrupt, //EBafPanicNullPtr13							=82
       
   108 	KErrCorrupt, //EBafPanicNullPtr14							=83
       
   109 	KErrCorrupt, //EBafPanicNegativeNumber						=84
       
   110 	KErrCorrupt, //EBafPanicBadHeader1							=85
       
   111 	KErrCorrupt, //EBafPanicBadHeader2							=86
       
   112 	KErrCorrupt, //EBafPanicBadHeader3							=87
       
   113 	KErrCorrupt, //EBafPanicBadHeader4							=88
       
   114 	KErrCorrupt, //EBafPanicBadHeader5							=89
       
   115 	KErrCorrupt, //EBafPanicFileSize							=90
       
   116 	KErrCorrupt, //EBafPanicOverflow							=91
       
   117 	KErrCorrupt, //EBafPanicBadIndex							=92
       
   118 	KErrCorrupt, //EBafPanicNegativeNumber2						=93
       
   119 	KErrCorrupt, //EBafPanicFileSize2							=94
       
   120 	KErrCorrupt, //EBafPanicNegativeNumber3						=95
       
   121 	KErrCorrupt, //EBafPanicNegativePos							=96
       
   122 	KErrCorrupt, //EBafPanicNegativeLength						=97
       
   123 	KErrCorrupt, //EBafPanicMaxLength							=98
       
   124 	KErrCorrupt, //EBafPanicBadIndex2							=99
       
   125 	KErrCorrupt, //EBafPanicBadIndex3							=100
       
   126 	KErrCorrupt, //EBafPanicMaxLength2							=101
       
   127 	KErrCorrupt, //EBafPanicFileSize3							=102
       
   128 	KErrCorrupt, //EBafPanicStartPos							=103
       
   129 	KErrCorrupt, //EBafPanicStartPos2							=104
       
   130 	KErrCorrupt, //EBafPanicFileSize4							=105
       
   131 	KErrCorrupt, //EBafPanicBadOffset							=106
       
   132 	KErrCorrupt, //EBafPanicBadOffset2							=107
       
   133 	KErrArgument,//EBafPanicBadOpenArg							=108
       
   134 	KErrCorrupt, //EBafPanicBufLength							=109
       
   135 	KErrArgument //EBafPanicRFsConnectArg						=110
       
   136 	};
       
   137 
       
   138 /** This static funtion is used by TBaAssert instances to convert Panic code to
       
   139 error codes. KErrorMapTbl static array is used. 
       
   140 
       
   141 @internalComponent
       
   142 @param aPanicCode - BAFL panic code.
       
   143 @return Error code - KErrCorrupt, KErrArgument,...
       
   144 @leave KErrArgument - if the panic code value can't be used as and array index
       
   145 to access corresponding error code. */
       
   146 LOCAL_C TInt Panic2ErrorL(TBafPanic aPanicCode) 
       
   147 	{
       
   148 	if(static_cast <TUint> (aPanicCode) >= (sizeof(KErrorMapTbl)/ sizeof(KErrorMapTbl[0])))
       
   149 		{
       
   150 		User::Leave(KErrArgument);
       
   151 		}
       
   152 	return KErrorMapTbl[static_cast <TUint> (aPanicCode)];
       
   153 	}
       
   154 
       
   155 /** Global Panic function. Used internaly by BAFL classes.
       
   156 The default function behaviour is to call User::Panic().
       
   157 @internalComponent */
       
   158 GLDEF_C void Panic(TBafPanic aPanic)
       
   159 	{
       
   160 	User::Panic(_L("BAFL"), aPanic);
       
   161 	}
       
   162 
       
   163 /** By default TBaAssert methods will panic.
       
   164 An error will be issued at compile time if the class size is not 
       
   165 sizeof(TBaAssert::TErrorAction).
       
   166 @internalComponent */
       
   167 TBaAssert::TBaAssert() :
       
   168 	iErrorAction(TBaAssert::EPanic)
       
   169 	{
       
   170 	COMPILE_TIME_ASSERT(sizeof(TBaAssert) == sizeof(TBaAssert::TErrorAction));
       
   171 	}
       
   172 
       
   173 /** Initializes TBaAssert object panic/leave behaviour.
       
   174 @internalComponent
       
   175 @param aErrorAction - TBaAssert::EPanic or TBaAssert::ELeave. */
       
   176 TBaAssert::TBaAssert(TErrorAction aErrorAction) :
       
   177 	iErrorAction(aErrorAction)
       
   178 	{
       
   179 	}
       
   180 
       
   181 /** The method panics/leaves if aAssertExprVal value is EFalse. The panic will be raised
       
   182 only in the DEBUG build.
       
   183 @internalComponent
       
   184 @param aAssertExprVal If EFalse, the method panics/leaves.
       
   185 @param aPanic Panic code. If the method must leave, the code
       
   186 will be mapped to some Symbian OS error code. */
       
   187 void TBaAssert::AssertDebL(TBool aAssertExprVal, TBafPanic aPanic) const
       
   188 	{
       
   189 	DoAssertL(aAssertExprVal, ETrue, aPanic);
       
   190 	}
       
   191 
       
   192 /** The method panics/leaves if aAssertExprVal value is EFalse.
       
   193 @internalComponent
       
   194 @param aAssertExprVal If EFalse, the method panics/leaves.
       
   195 @param aPanic Panic code. If the method must leave, the code
       
   196 will be mapped to some Symbian OS error code. */
       
   197 void TBaAssert::AssertRelL(TBool aAssertExprVal, TBafPanic aPanic) const
       
   198 	{
       
   199 	DoAssertL(aAssertExprVal, EFalse, aPanic);
       
   200 	}
       
   201 
       
   202 /** @internalComponent */
       
   203 void TBaAssert::DoAssertL(TBool aAssertExprVal, TBool aDebug, TBafPanic aPanic) const
       
   204 	{
       
   205 	if(!aAssertExprVal)
       
   206 		{
       
   207 		iErrorAction == TBaAssert::ELeave ? DoLeaveL(aPanic) : DoAssert(aDebug, aPanic);
       
   208 		}
       
   209 	}
       
   210 
       
   211 /** @internalComponent */
       
   212 void TBaAssert::DoLeaveL(TBafPanic aPanic) const
       
   213 	{
       
   214 	TInt error = Panic2ErrorL(aPanic);
       
   215 	User::Leave(error);
       
   216 	}
       
   217 
       
   218 /** @internalComponent */
       
   219 void TBaAssert::DoAssert(TBool aDebug, TBafPanic aPanic) const
       
   220 	{
       
   221 	if(aDebug)
       
   222 		{
       
   223 		__ASSERT_DEBUG(EFalse, ::Panic(aPanic));
       
   224 		}
       
   225 	else
       
   226 		{
       
   227 		::Panic(aPanic);
       
   228 		}
       
   229 	}
       
   230 
       
   231 
       
   232