persistentstorage/sql/SRC/Common/SqlBufIterator.inl
branchRCL_3
changeset 44 26645d81f48d
parent 0 08ec8eefde2f
child 45 cc28652e0254
equal deleted inserted replaced
42:28839de615b4 44:26645d81f48d
     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
     1 // Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).
     2 // All rights reserved.
     2 // All rights reserved.
     3 // This component and the accompanying materials are made available
     3 // This component and the accompanying materials are made available
     4 // under the terms of "Eclipse Public License v1.0"
     4 // under the terms of "Eclipse Public License v1.0"
     5 // which accompanies this distribution, and is available
     5 // which accompanies this distribution, and is available
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
    44 
    44 
    45 @param aIndex Field index
    45 @param aIndex Field index
    46 */
    46 */
    47 inline void TSqlBufRIterator::MoveTo(TInt aIndex)
    47 inline void TSqlBufRIterator::MoveTo(TInt aIndex)
    48 	{
    48 	{
    49 	__SQLASSERT((iBegin + (TUint)aIndex) < iEnd, ESqlPanicBadArgument);
    49 	__ASSERT_DEBUG((iBegin + (TUint)aIndex) < iEnd, __SQLPANIC(ESqlPanicBadArgument));
    50 	iCurrent = iBegin + aIndex;
    50 	iCurrent = iBegin + aIndex;
    51 	}
    51 	}
    52 
    52 
    53 /**
    53 /**
    54 @return True if the current flat buffer field is "Present"
    54 @return True if the current flat buffer field is "Present"
    55 */
    55 */
    56 inline TBool TSqlBufRIterator::IsPresent() const
    56 inline TBool TSqlBufRIterator::IsPresent() const
    57 	{
    57 	{
    58 	__SQLASSERT(iCurrent >= iBegin && iCurrent < iEnd, ESqlPanicInternalError);
    58 	__ASSERT_DEBUG(iCurrent >= iBegin && iCurrent < iEnd, __SQLPANIC(ESqlPanicInternalError));
    59 	return iCurrent->iPos > 0;
    59 	return iCurrent->iPos > 0;
    60 	}
    60 	}
    61 	
    61 	
    62 /**
    62 /**
    63 @return Current flat buffer field type. One of TSqlColumnType enum item values or ESqlText8.
    63 @return Current flat buffer field type. One of TSqlColumnType enum item values or ESqlText8.
    64 */
    64 */
    65 inline TInt TSqlBufRIterator::Type() const
    65 inline TInt TSqlBufRIterator::Type() const
    66 	{
    66 	{
    67 	__SQLASSERT(iCurrent >= iBegin && iCurrent < iEnd, ESqlPanicInternalError);
    67 	__ASSERT_DEBUG(iCurrent >= iBegin && iCurrent < iEnd, __SQLPANIC(ESqlPanicInternalError));
    68 	return iCurrent->Type();
    68 	return iCurrent->Type();
    69 	}
    69 	}
    70 	
    70 	
    71 /**
    71 /**
    72 @return Current flat buffer field size
    72 @return Current flat buffer field size
    73 */
    73 */
    74 inline TInt TSqlBufRIterator::Size() const
    74 inline TInt TSqlBufRIterator::Size() const
    75 	{
    75 	{
    76 	__SQLASSERT(iCurrent >= iBegin && iCurrent < iEnd, ESqlPanicInternalError);
    76 	__ASSERT_DEBUG(iCurrent >= iBegin && iCurrent < iEnd, __SQLPANIC(ESqlPanicInternalError));
    77 	return Type() == ESqlText ? iCurrent->Size() / sizeof(TUint16) : iCurrent->Size();
    77 	return Type() == ESqlText ? iCurrent->Size() / sizeof(TUint16) : iCurrent->Size();
    78 	}
    78 	}
    79 
    79 
    80 
    80 
    81 ///////////////////////////////////////////////////////////////////////////////////////////////////////////
    81 ///////////////////////////////////////////////////////////////////////////////////////////////////////////
    99 
    99 
   100 @return False if there are no more fields to be iterated.
   100 @return False if there are no more fields to be iterated.
   101 */
   101 */
   102 inline TBool TSqlBufWIterator::Next()
   102 inline TBool TSqlBufWIterator::Next()
   103 	{
   103 	{
   104 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   104 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   105 	return ++iIndex < iBuf->Count();	
   105 	return ++iIndex < iBuf->Count();	
   106 	}
   106 	}
   107 	
   107 	
   108 /**
   108 /**
   109 Moves to the specified field in the flat buffer.
   109 Moves to the specified field in the flat buffer.
   110 
   110 
   111 @param aIndex Field index
   111 @param aIndex Field index
   112 */
   112 */
   113 inline void TSqlBufWIterator::MoveTo(TInt aIndex)
   113 inline void TSqlBufWIterator::MoveTo(TInt aIndex)
   114 	{
   114 	{
   115 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   115 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   116 	__SQLASSERT((TUint)aIndex < iBuf->Count(), ESqlPanicInternalError);
   116 	__ASSERT_DEBUG((TUint)aIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   117 	iIndex = aIndex;
   117 	iIndex = aIndex;
   118 	}
   118 	}
   119 
   119 
   120 /**
   120 /**
   121 Sets the current flat buffer field to NULL.
   121 Sets the current flat buffer field to NULL.
   122 */
   122 */
   123 inline void TSqlBufWIterator::SetNull()
   123 inline void TSqlBufWIterator::SetNull()
   124 	{
   124 	{
   125 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   125 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   126 	__SQLASSERT((TUint)iIndex < iBuf->Count(), ESqlPanicInternalError);
   126 	__ASSERT_DEBUG((TUint)iIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   127 	(void)iBuf->SetField(iIndex, ESqlNull, NULL, 0);
   127 	(void)iBuf->SetField(iIndex, ESqlNull, NULL, 0);
   128 	}
   128 	}
   129 	
   129 	
   130 /**
   130 /**
   131 Sets the current flat buffer field as "Not present".
   131 Sets the current flat buffer field as "Not present".
   133 @param aType Field type. One of TSqlColumnType enum item values or ESqlText8.
   133 @param aType Field type. One of TSqlColumnType enum item values or ESqlText8.
   134 @param aLength Field length in bytes
   134 @param aLength Field length in bytes
   135 */
   135 */
   136 inline void TSqlBufWIterator::SetAsNotPresent(TInt aType, TInt aLength)
   136 inline void TSqlBufWIterator::SetAsNotPresent(TInt aType, TInt aLength)
   137 	{
   137 	{
   138 	__SQLASSERT(::IsSequenceSqlType(aType), ESqlPanicBadArgument);
   138 	__ASSERT_DEBUG(::IsSequenceSqlType(aType), __SQLPANIC(ESqlPanicBadArgument));
   139 	__SQLASSERT(aLength >= 0, ESqlPanicBadArgument);
   139 	__ASSERT_DEBUG(aLength >= 0, __SQLPANIC(ESqlPanicBadArgument));
   140 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   140 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   141 	__SQLASSERT((TUint)iIndex < iBuf->Count(), ESqlPanicInternalError);
   141 	__ASSERT_DEBUG((TUint)iIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   142 	iBuf->SetField(iIndex, aType, NULL, aType == ESqlText ? aLength * sizeof(TUint16) : aLength);
   142 	iBuf->SetField(iIndex, aType, NULL, aType == ESqlText ? aLength * sizeof(TUint16) : aLength);
   143 	}
   143 	}
   144 	
   144 	
   145 /**
   145 /**
   146 Initializes current flat buffer field with an integer value.
   146 Initializes current flat buffer field with an integer value.
   150 @return KErrNone, The operation has completed successfully;
   150 @return KErrNone, The operation has completed successfully;
   151 		KErrNoMemory, Out of memory condition has occured.
   151 		KErrNoMemory, Out of memory condition has occured.
   152 */
   152 */
   153 inline TInt TSqlBufWIterator::SetInt(TInt aValue)
   153 inline TInt TSqlBufWIterator::SetInt(TInt aValue)
   154 	{
   154 	{
   155 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   155 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   156 	__SQLASSERT((TUint)iIndex < iBuf->Count(), ESqlPanicInternalError);
   156 	__ASSERT_DEBUG((TUint)iIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   157 	return iBuf->SetField(iIndex, ESqlInt, &aValue, sizeof(TInt));
   157 	return iBuf->SetField(iIndex, ESqlInt, &aValue, sizeof(TInt));
   158 	}
   158 	}
   159 	
   159 	
   160 /**
   160 /**
   161 Initializes current flat buffer field with an 64 bit integer value.
   161 Initializes current flat buffer field with an 64 bit integer value.
   165 @return KErrNone, The operation has completed successfully;
   165 @return KErrNone, The operation has completed successfully;
   166 		KErrNoMemory, Out of memory condition has occured.
   166 		KErrNoMemory, Out of memory condition has occured.
   167 */
   167 */
   168 inline TInt TSqlBufWIterator::SetInt64(TInt64 aValue)
   168 inline TInt TSqlBufWIterator::SetInt64(TInt64 aValue)
   169 	{
   169 	{
   170 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   170 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   171 	__SQLASSERT((TUint)iIndex < iBuf->Count(), ESqlPanicInternalError);
   171 	__ASSERT_DEBUG((TUint)iIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   172 	return iBuf->SetField(iIndex, ESqlInt64, &aValue, sizeof(TInt64));
   172 	return iBuf->SetField(iIndex, ESqlInt64, &aValue, sizeof(TInt64));
   173 	}
   173 	}
   174 	
   174 	
   175 /**
   175 /**
   176 Initializes current flat buffer field with a real value.
   176 Initializes current flat buffer field with a real value.
   180 @return KErrNone, The operation has completed successfully;
   180 @return KErrNone, The operation has completed successfully;
   181 		KErrNoMemory, Out of memory condition has occured.
   181 		KErrNoMemory, Out of memory condition has occured.
   182 */
   182 */
   183 inline TInt TSqlBufWIterator::SetReal(TReal aValue)
   183 inline TInt TSqlBufWIterator::SetReal(TReal aValue)
   184 	{
   184 	{
   185 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   185 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   186 	__SQLASSERT((TUint)iIndex < iBuf->Count(), ESqlPanicInternalError);
   186 	__ASSERT_DEBUG((TUint)iIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   187 	return iBuf->SetField(iIndex, ESqlReal, &aValue, sizeof(TReal));
   187 	return iBuf->SetField(iIndex, ESqlReal, &aValue, sizeof(TReal));
   188 	}
   188 	}
   189 	
   189 	
   190 /**
   190 /**
   191 Initializes current flat buffer field with a block of binary data.
   191 Initializes current flat buffer field with a block of binary data.
   195 @return KErrNone, The operation has completed successfully;
   195 @return KErrNone, The operation has completed successfully;
   196 		KErrNoMemory, Out of memory condition has occured.
   196 		KErrNoMemory, Out of memory condition has occured.
   197 */
   197 */
   198 inline TInt TSqlBufWIterator::SetBinary(const TDesC8& aValue)
   198 inline TInt TSqlBufWIterator::SetBinary(const TDesC8& aValue)
   199 	{
   199 	{
   200 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   200 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   201 	__SQLASSERT((TUint)iIndex < iBuf->Count(), ESqlPanicInternalError);
   201 	__ASSERT_DEBUG((TUint)iIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   202 	return iBuf->SetField(iIndex, ESqlBinary, aValue.Ptr(), aValue.Length());
   202 	return iBuf->SetField(iIndex, ESqlBinary, aValue.Ptr(), aValue.Length());
   203 	}
   203 	}
   204 	
   204 	
   205 /**
   205 /**
   206 Initializes current flat buffer field with a block of 16 bit text.
   206 Initializes current flat buffer field with a block of 16 bit text.
   210 @return KErrNone, The operation has completed successfully;
   210 @return KErrNone, The operation has completed successfully;
   211 		KErrNoMemory, Out of memory condition has occured.
   211 		KErrNoMemory, Out of memory condition has occured.
   212 */
   212 */
   213 inline TInt TSqlBufWIterator::SetText(const TDesC16& aValue)
   213 inline TInt TSqlBufWIterator::SetText(const TDesC16& aValue)
   214 	{
   214 	{
   215 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   215 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   216 	__SQLASSERT((TUint)iIndex < iBuf->Count(), ESqlPanicInternalError);
   216 	__ASSERT_DEBUG((TUint)iIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   217 	return iBuf->SetField(iIndex, ESqlText, aValue.Ptr(), aValue.Length() * sizeof(TUint16));
   217 	return iBuf->SetField(iIndex, ESqlText, aValue.Ptr(), aValue.Length() * sizeof(TUint16));
   218 	}
   218 	}
   219 
   219 
   220 	
   220 	
   221 /**
   221 /**
   226 @return KErrNone, The operation has completed successfully;
   226 @return KErrNone, The operation has completed successfully;
   227 		KErrNoMemory, Out of memory condition has occured.
   227 		KErrNoMemory, Out of memory condition has occured.
   228 */
   228 */
   229 inline TInt TSqlBufWIterator::SetZeroBlob(TInt aSize)
   229 inline TInt TSqlBufWIterator::SetZeroBlob(TInt aSize)
   230 	{
   230 	{
   231 	__SQLASSERT(iBuf != NULL, ESqlPanicInternalError);
   231 	__ASSERT_DEBUG(iBuf != NULL, __SQLPANIC(ESqlPanicInternalError));
   232 	__SQLASSERT((TUint)iIndex < iBuf->Count(), ESqlPanicInternalError);
   232 	__ASSERT_DEBUG((TUint)iIndex < iBuf->Count(), __SQLPANIC(ESqlPanicInternalError));
   233 	return iBuf->SetField(iIndex, ESqlZeroBlob, &aSize, sizeof(TInt));
   233 	return iBuf->SetField(iIndex, ESqlZeroBlob, &aSize, sizeof(TInt));
   234 	}
   234 	}