--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/centralrepository/common/src/cregen.cpp	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,219 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+//
+
+#include <s32file.h>
+#include "cregen.h"
+#include "heaprepos.h"
+#include "srvparams.h"
+
+_LIT(KTmpExtension,"tmp");
+
+void CCreGenerator::CommitChangesToCreL(RFs& aFs,TUint8 aPersistVersion,CHeapRepository& aRep,const TDesC& aTargetFilePath)
+	{
+	HBufC* tmpFilePath=aTargetFilePath.AllocLC();
+	TPtr tmpFilePathPtr(tmpFilePath->Des());
+	tmpFilePathPtr.Replace(tmpFilePath->Length()-3,3,KTmpExtension());
+
+	CDirectFileStore* store = CDirectFileStore::ReplaceLC(aFs, *tmpFilePath,(EFileWrite | EFileShareExclusive));
+	
+	const TUid uid2	 = KNullUid ;														 
+	store->SetTypeL(TUidType(KDirectFileStoreLayoutUid, uid2, KServerUid3)) ; 
+
+	// Write the stream index/dictionary as root stream within the store
+	// so we can access it when we do a restore later on
+	RStoreWriteStream rootStream ;
+	TStreamId rootStreamId = rootStream.CreateLC(*store) ;
+	ExternalizeCre(aPersistVersion,aRep, rootStream) ;
+	rootStream.CommitL() ;
+		
+	CleanupStack::PopAndDestroy(&rootStream) ;
+	store->SetRootL(rootStreamId);
+	store->CommitL();
+	CleanupStack::PopAndDestroy(store) ;	
+	User::LeaveIfError(aFs.Replace(*tmpFilePath,aTargetFilePath));
+	CleanupStack::PopAndDestroy();
+	}
+
+void CCreGenerator::CreateReposFromCreL(RFs& aFs,CHeapRepository& aRep, const TDesC& aFilePath
+#ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS
+	,TUint8& aCreVersion
+#endif	
+	)
+	{
+	RFile file;
+	TInt err = file.Open(aFs,aFilePath,EFileRead|EFileShareReadersOnly);	
+	
+	if (err != KErrNone)
+		{
+		if(err ==KErrNotFound || err==KErrPathNotFound)
+			User::Leave(KErrNotFound);
+		else
+			User::Leave(err);
+		}
+	
+	CleanupClosePushL(file);
+	
+	CDirectFileStore* store = CDirectFileStore::FromLC (file);
+	if(store->Type()[0] != KDirectFileStoreLayoutUid)
+		{
+		User::Leave(KErrCorrupt);
+		}
+
+	// Get the root stream and attempt to read the index from it
+	TStreamId rootStreamId = store->Root() ;
+	RStoreReadStream rootStream ;
+	rootStream.OpenLC(*store, rootStreamId);
+	// Internalize the repository
+	InternalizeCreL(aRep, rootStream
+#ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS
+	,aCreVersion
+#endif	
+	);
+	CleanupStack::PopAndDestroy(3, &file);
+	}
+
+void CCreGenerator::ExternalizeCre(TUint8 aPersistVersion,const CHeapRepository& aRep, RWriteStream& aStream)
+	{
+	aStream << aPersistVersion;
+	aStream << aRep.iUid ;
+	aStream << aRep.iOwner ;
+	
+	TUint32 count=aRep.iSinglePolicies.Count();
+	aStream << count;
+	for(TUint32 i=0; i<count;i++)
+		{
+		aStream << *(aRep.iSinglePolicies[i]);
+		}
+	
+	aStream << aRep.iRangePolicies ;
+	aStream << aRep.iDefaultPolicy.GetReadAccessPolicy()->Package() ;
+	aStream << aRep.iDefaultPolicy.GetWriteAccessPolicy()->Package() ;
+#ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS	
+	if (aPersistVersion>=KPersistFormatSupportsIndMetaIndicator)
+		{
+		aStream << aRep.iDefaultPolicy.HighKey();
+		aStream << aRep.iDefaultPolicy.KeyMask();		
+		}
+#endif		
+		
+	aStream << aRep.iDefaultMeta ;
+	aStream << aRep.iRangeMeta ;
+	aStream << aRep.iTimeStamp.Int64() ;
+
+	aStream << aRep.iSettings ;
+	
+	// Deleted settings
+	count = aRep.iDeletedSettings.Count() ;
+	aStream << count ;
+	for (TUint32 i=0; i<count; i++)
+		{
+		aStream << aRep.iDeletedSettings[i];
+		}
+	}
+
+void CCreGenerator::InternalizeCreL(CHeapRepository& aRep, RReadStream& aStream
+#ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS
+	,TUint8& aCreVersion
+#endif	
+	)
+	{
+	TUint8 version;
+	aStream >> version;
+	 
+ 	// Check the UID is the same as that expected.
+ 	// UID should always be correctly initialised by the time we reach
+ 	// this point.
+ 	TUid tempUid;
+ 	aStream >> tempUid;
+ 
+ 	if (tempUid != aRep.iUid)
+ 		{
+ 		#ifdef _DEBUG
+ 		RDebug::Print(_L("CSharedRepository::InternalizeCreL - expected UID (from filename) - %08X,  UID extracted from binary file - %08X "), aRep.iUid.iUid, tempUid.iUid);
+ 		#endif
+ 		User::Leave(KErrCorrupt);
+ 		}
+  
+	aStream >> aRep.iOwner ;
+ 
+	TUint32 count;
+	aStream >> count;
+	for(TUint32 i=0; i<count;i++)
+		{
+		TSettingsAccessPolicy* singlePolicy = new(ELeave) TSettingsAccessPolicy;
+		CleanupStack::PushL(singlePolicy);
+		aStream >> *singlePolicy;
+		aRep.iSinglePolicies.AppendL(singlePolicy);
+		CleanupStack::Pop(singlePolicy);
+		}
+ 	
+	aRep.iRangePolicies.Reset();		
+	aStream >> aRep.iRangePolicies ;
+	
+	HBufC8* securityPolicyPackage ;
+	securityPolicyPackage = HBufC8::NewLC(aStream, 10000) ;
+	TSecurityPolicy defaultReadPolicy;
+	defaultReadPolicy.Set(securityPolicyPackage->Des()) ;
+	CleanupStack::PopAndDestroy(securityPolicyPackage) ;
+	securityPolicyPackage = HBufC8::NewLC(aStream, 10000) ;
+	TSecurityPolicy defaultWritePolicy;
+	defaultWritePolicy.Set(securityPolicyPackage->Des()) ;
+	CleanupStack::PopAndDestroy(securityPolicyPackage) ;
+#ifdef SYMBIAN_CENTREP_SUPPORT_MULTIROFS	
+	aCreVersion=version;
+	TUint32 highKey=0;
+	TUint32 keyMask=0;
+	if (aCreVersion>=KPersistFormatSupportsIndMetaIndicator)
+		{
+		aStream >> highKey;
+		aStream >> keyMask;		
+		}
+	aRep.iDefaultPolicy=TSettingsAccessPolicy(defaultReadPolicy,defaultWritePolicy, KUnspecifiedKey,highKey,keyMask);		
+#else				
+	aRep.iDefaultPolicy=TSettingsAccessPolicy(defaultReadPolicy,defaultWritePolicy, KUnspecifiedKey);
+#endif	
+	aStream >> aRep.iDefaultMeta ;
+	
+	aRep.iRangeMeta.Reset();
+	aStream >> aRep.iRangeMeta ;
+	
+	TInt64 timeStampInt ;
+	aStream >> timeStampInt ;
+	aRep.iTimeStamp = timeStampInt ;
+
+	aRep.iSettings.Reset() ;
+	aStream >> aRep.iSettings ;
+ 	
+	if (version >= KPersistFormatSupportsDeletedSettings)
+		{
+		// Deleted Settings 
+		aStream >> count  ;
+		for (TUint32 i=0; i<count; i++)
+			{
+			TUint32 keyValue ;
+			aStream >> keyValue ;
+			aRep.iDeletedSettings.InsertInUnsignedKeyOrderL(keyValue);
+			}
+		}
+ 
+	// Set up access policies
+	TInt numElements = aRep.iSettings.Count();
+	for (TInt count = 0; count < numElements; count++)
+		{
+		TServerSetting* setting= &(aRep.iSettings[count]);
+		TUint32 key=setting->Key();
+		setting->SetAccessPolicy(aRep.GetFallbackAccessPolicy(key));
+		}
+	}