installationservices/swi/source/sisfile/sisdependency.cpp
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     1 /*
       
     2 * Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description: 
       
    15 * Definition of the Swi::Sis::CDependency
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 /**
       
    21  @file 
       
    22 */
       
    23 
       
    24 #include "sisdependency.h"
       
    25 #include "sisuid.h"
       
    26 #include "sisversionrange.h"
       
    27 #include "sisstring.h"
       
    28 
       
    29 using namespace Swi::Sis;
       
    30 
       
    31 EXPORT_C /*static*/ CDependency* CDependency::NewLC(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
       
    32 	{
       
    33 	CDependency* self = new(ELeave) CDependency();
       
    34 	CleanupStack::PushL(self);
       
    35 	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);
       
    36 	return self;
       
    37 	}
       
    38 
       
    39 EXPORT_C /*static*/ CDependency* CDependency::NewL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
       
    40 	{
       
    41 	CDependency* self = NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);
       
    42 	CleanupStack::Pop(self);
       
    43 	return self;
       
    44 	}
       
    45 	
       
    46 EXPORT_C CDependency* CDependency::NewLC(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
       
    47 	{
       
    48 	CDependency* self = new (ELeave) CDependency;
       
    49 	CleanupStack::PushL(self);
       
    50 	self->ConstructL(aDataProvider, aBytesRead, aTypeReadBehaviour);
       
    51 	return self;
       
    52 	}
       
    53 
       
    54 EXPORT_C CDependency* CDependency::NewL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
       
    55 	{
       
    56 	CDependency* self = CDependency::NewLC(aDataProvider, aBytesRead, aTypeReadBehaviour);
       
    57 	CleanupStack::Pop(self);
       
    58 	return self;
       
    59 	}
       
    60 
       
    61 CDependency::CDependency()
       
    62 	{
       
    63 	}
       
    64 
       
    65 EXPORT_C CDependency::~CDependency()
       
    66 	{
       
    67 	delete iUid;
       
    68 	delete iVersionRange;
       
    69 	iNames.ResetAndDestroy();
       
    70 	}
       
    71 
       
    72 void CDependency::ConstructL(MSisDataProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
       
    73 	{
       
    74 	TInt64 fieldOffset = aBytesRead;
       
    75 	
       
    76 	CField::ConstructL(aDataProvider, EFieldTypeDependency, aBytesRead, aTypeReadBehaviour);
       
    77 
       
    78 	iUid=CUid::NewL(aDataProvider, aBytesRead);
       
    79 	
       
    80 	TFieldType fieldType;
       
    81 	CField::ReadEnumL<TFieldType,TUint32>(aDataProvider, fieldType, aBytesRead);
       
    82 
       
    83 	if (fieldType==EFieldTypeVersionRange)
       
    84 		{
       
    85 		iVersionRange=CVersionRange::NewL(aDataProvider, aBytesRead, EAssumeType);
       
    86 		
       
    87 		ReadMemberArrayL(aDataProvider, iNames, EFieldTypeString, aBytesRead);
       
    88 		}
       
    89 	else if (fieldType==EFieldTypeArray)
       
    90 		{
       
    91 		ReadMemberArrayL(aDataProvider, iNames, EFieldTypeString, aBytesRead, EAssumeType);
       
    92 		}
       
    93 	else
       
    94 		{
       
    95 		User::Leave(KErrSISUnexpectedFieldType);
       
    96 		}
       
    97 	
       
    98 	CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
       
    99 	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
       
   100 	}
       
   101 	
       
   102 void CDependency::ConstructL(TPtrProvider& aDataProvider, TInt64& aBytesRead, TReadTypeBehaviour aTypeReadBehaviour)
       
   103 	{
       
   104 	TInt64 fieldOffset = aBytesRead;
       
   105 	
       
   106 	CField::ConstructL(aDataProvider, EFieldTypeDependency, aBytesRead, aTypeReadBehaviour);
       
   107 
       
   108 	iUid=CUid::NewL(aDataProvider, aBytesRead);
       
   109 	
       
   110 	TFieldType fieldType;
       
   111 	CField::ReadEnumL<TFieldType,TUint32>(aDataProvider, fieldType, aBytesRead);
       
   112 
       
   113 	if (fieldType==EFieldTypeVersionRange)
       
   114 		{
       
   115 		iVersionRange=CVersionRange::NewL(aDataProvider, aBytesRead, EAssumeType);
       
   116 		
       
   117 		ReadMemberArrayL(aDataProvider, iNames, EFieldTypeString, aBytesRead);
       
   118 		}
       
   119 	else if (fieldType==EFieldTypeArray)
       
   120 		{
       
   121 		ReadMemberArrayL(aDataProvider, iNames, EFieldTypeString, aBytesRead, EAssumeType);
       
   122 		}
       
   123 	else
       
   124 		{
       
   125 		User::Leave(KErrSISUnexpectedFieldType);
       
   126 		}
       
   127 	
       
   128 	CField::SkipUnknownFieldsL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
       
   129 	CField::EnsureAlignedL(aDataProvider, aBytesRead - fieldOffset, aBytesRead, aTypeReadBehaviour);
       
   130 	}
       
   131