--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swi/source/sisfile/sisexpression.cpp Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,165 @@
+/*
+* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* Definition of the Swi::Sis::CExpression
+*
+*/
+
+
+/**
+ @file sisexpression.cpp
+*/
+
+#include "sisexpression.h"
+#include "sisstring.h"
+
+using namespace Swi::Sis;
+
+EXPORT_C /*static*/ CExpression* CExpression::NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+ {
+ CExpression* self = new(ELeave) CExpression();
+ CleanupStack::PushL(self);
+ self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);
+ return self;
+ }
+
+EXPORT_C /*static*/ CExpression* CExpression::NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+ {
+ CExpression* self = NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+EXPORT_C CExpression* CExpression::NewLC(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+ {
+ CExpression* self = new (ELeave) CExpression;
+ CleanupStack::PushL(self);
+ self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);
+ return self;
+ }
+
+EXPORT_C CExpression* CExpression::NewL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+ {
+ CExpression* self = CExpression::NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+CExpression::CExpression()
+ {
+ }
+
+EXPORT_C CExpression::~CExpression()
+ {
+ delete iLeftExpression;
+ delete iRightExpression;
+ delete iString;
+ }
+
+void CExpression::ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+ {
+ TInt64 fieldOffset = aBytesRead;
+
+ CField::ConstructL(aDataProvider, EFieldTypeExpression, aBytesRead, aTypeReadBehaviour);
+
+ CField::ReadEnumL<TOperator,TUint32>(aDataProvider, iOperator, aBytesRead);
+
+ CField::ReadTTypeL(aDataProvider, iIntegerValue, aBytesRead);
+
+ switch (iOperator)
+ {
+ case EBinOpEqual:
+ case EBinOpNotEqual:
+ case EBinOpGreaterThan:
+ case EBinOpLessThan:
+ case EBinOpGreaterOrEqual:
+ case EBinOpLessOrEqual:
+ case ELogOpAnd:
+ case ELogOpOr:
+ case EFuncAppProperties:
+ iLeftExpression=CExpression::NewL(aDataProvider, aBytesRead);
+ iRightExpression=CExpression::NewL(aDataProvider, aBytesRead);
+ break;
+
+ case EUnaryOpNot:
+ case EFuncDevProperties:
+ iLeftExpression=CExpression::NewL(aDataProvider, aBytesRead);
+ break;
+
+ case EFuncExists:
+ case EPrimTypeString:
+ iString=CString::NewL(aDataProvider, aBytesRead);
+ break;
+
+ case EPrimTypeOption: // All these are stored using iIntegerValue only
+ case EPrimTypeVariable:
+ case EPrimTypeNumber:
+ break;
+
+ default:
+ User::Leave(KErrSISExpressionUnknownOperator);
+ }
+
+ CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
+ CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
+ }
+
+void CExpression::ConstructL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
+ {
+ TInt64 fieldOffset = aBytesRead;
+
+ CField::ConstructL(aDataProvider, EFieldTypeExpression, aBytesRead, aTypeReadBehaviour);
+
+ CField::ReadEnumL<TOperator,TUint32>(aDataProvider, iOperator, aBytesRead);
+
+ CField::ReadTTypeL(aDataProvider, iIntegerValue, aBytesRead);
+
+ switch (iOperator)
+ {
+ case EBinOpEqual:
+ case EBinOpNotEqual:
+ case EBinOpGreaterThan:
+ case EBinOpLessThan:
+ case EBinOpGreaterOrEqual:
+ case EBinOpLessOrEqual:
+ case ELogOpAnd:
+ case ELogOpOr:
+ case EFuncAppProperties:
+ iLeftExpression=CExpression::NewL(aDataProvider, aBytesRead);
+ iRightExpression=CExpression::NewL(aDataProvider, aBytesRead);
+ break;
+
+ case EUnaryOpNot:
+ case EFuncDevProperties:
+ iLeftExpression=CExpression::NewL(aDataProvider, aBytesRead);
+ break;
+
+ case EFuncExists:
+ case EPrimTypeString:
+ iString=CString::NewL(aDataProvider, aBytesRead);
+ break;
+
+ case EPrimTypeOption: // All these are stored using iIntegerValue only
+ case EPrimTypeVariable:
+ case EPrimTypeNumber:
+ break;
+
+ default:
+ User::Leave(KErrSISExpressionUnknownOperator);
+ }
+
+ CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
+ CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
+ }
+