sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // DBMS server and support classes
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "SD_STD.H"
sl@0: 
sl@0: // Class RDbsObject
sl@0: void RDbsObject::OpenL(const RDbsObject& aDbs,TDbsFunction aFunction,const TIpcArgs* aArgs)
sl@0: 	{
sl@0: 	__ASSERT(!iHandle);
sl@0: 	iHandle=aDbs.SendReceiveL(TDbsFunction(aFunction|KDbsObjectReturn),aArgs);
sl@0: 	RDbs::operator=(STATIC_CAST(const RDbs&,aDbs));
sl@0: 	}
sl@0: 
sl@0: void RDbsObject::Close()
sl@0: 	{
sl@0: 	if (iHandle)
sl@0: 		{
sl@0: 		SendReceive(EDbsClose);
sl@0: 		iHandle=0;
sl@0: 		SetHandle(KNullHandle);		// set session handle
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: TInt RDbsObject::SendReceive(TDbsFunction aFunction,const TIpcArgs* aArgs) const
sl@0: 	{
sl@0: 	__ASSERT(iHandle);
sl@0: 	if(aArgs)
sl@0: 		return RDbs::SendReceive(DbsMessage(aFunction,iHandle),*aArgs);
sl@0: 	else
sl@0: 		return RDbs::SendReceive(DbsMessage(aFunction,iHandle),TIpcArgs());
sl@0: 	}
sl@0: 
sl@0: TInt RDbsObject::SendReceive(TDbsFunction aFunction) const
sl@0: 	{
sl@0: 	return SendReceive(aFunction,0);
sl@0: 	}
sl@0: 
sl@0: TInt RDbsObject::SendReceiveL(TDbsFunction aFunction,const TIpcArgs* aArgs) const
sl@0: 	{
sl@0: 	return __LEAVE_IF_ERROR(SendReceive(aFunction,aArgs));
sl@0: 	}
sl@0: 
sl@0: TInt RDbsObject::SendReceiveL(TDbsFunction aFunction) const
sl@0: 	{
sl@0: 	return SendReceiveL(aFunction,0);
sl@0: 	}
sl@0: 
sl@0: void RDbsObject::SendReceive(TDbsFunction aFunction,const TIpcArgs* aArgs,TRequestStatus& aStatus) const
sl@0: 	{
sl@0: 	__ASSERT(iHandle);
sl@0: 	if(aArgs)
sl@0: 		RDbs::SendReceive(DbsMessage(aFunction,iHandle),*aArgs,aStatus);
sl@0: 	else
sl@0: 		RDbs::SendReceive(DbsMessage(aFunction,iHandle),TIpcArgs(),aStatus);
sl@0: 	}
sl@0: 
sl@0: // Class TDbsParam
sl@0: 
sl@0: const TInt KBufGranularity=0x200;
sl@0: 
sl@0: TPtrC8 TDbsParam::PrepareLC(const CDbColSet& aColSet)
sl@0: 	{
sl@0: 	CBufFlat* buf=CBufFlat::NewL(KBufGranularity);
sl@0: 	CleanupStack::PushL(buf);
sl@0: 	RBufWriteStream strm(*buf);
sl@0: 	strm<<aColSet;
sl@0: 	return buf->Ptr(0);
sl@0: 	}
sl@0: 
sl@0: TPtrC8 TDbsParam::PrepareLC(const CDbKey& aKey)
sl@0: 	{
sl@0: 	CBufFlat* buf=CBufFlat::NewL(KBufGranularity);
sl@0: 	CleanupStack::PushL(buf);
sl@0: 	RBufWriteStream strm(*buf);
sl@0: 	strm<<aKey;
sl@0: 	return buf->Ptr(0);
sl@0: 	}
sl@0: 
sl@0: TPtrC8 TDbsParam::PrepareLC(const TDbLookupKey& aKey)
sl@0: 	{
sl@0: 	TInt tsize=0;
sl@0: 	const TDbLookupKey::SColumn* iter=aKey.First();
sl@0: 	const TDbLookupKey::SColumn* end=iter+aKey.Count();
sl@0: 	do
sl@0: 		{
sl@0: 		switch (iter->iType)
sl@0: 			{
sl@0: 		default:
sl@0: 			break;
sl@0: 		case EDbColText8:
sl@0: 			tsize+=iter->iDes8.iLength;
sl@0: 			break;
sl@0: 		case EDbColText16:
sl@0: 			tsize+=iter->iDes16.iLength<<1;
sl@0: 			break;
sl@0: 			};
sl@0: 		} while (++iter<end);
sl@0: 	//
sl@0: 	TInt size=(TUint8*)end-(TUint8*)&aKey;
sl@0: 	TDbLookupKey* key=(TDbLookupKey*)User::AllocLC(size+tsize);
sl@0: 	TUint8* text=Mem::Copy(key,&aKey,size);
sl@0: 	if (tsize)
sl@0: 		{
sl@0: 		TDbLookupKey::SColumn* iter=CONST_CAST(TDbLookupKey::SColumn*,key->First());
sl@0: 		TDbLookupKey::SColumn* end=(TDbLookupKey::SColumn*)text;
sl@0: 		do
sl@0: 			{
sl@0: 			switch (iter->iType)
sl@0: 				{
sl@0: 			default:
sl@0: 				break;
sl@0: 			case EDbColText8:
sl@0: 				{
sl@0: 				const TUint8* p=iter->iDes8.iPtr;
sl@0: 				iter->iDes8.iPtr=REINTERPRET_CAST(const TUint8*,(text-(TUint8*)key));
sl@0: 				text=Mem::Copy(text,p,iter->iDes8.iLength);
sl@0: 				}
sl@0: 				break;
sl@0: 			case EDbColText16:
sl@0: 				{
sl@0: 				const TUint16* p=iter->iDes16.iPtr;
sl@0: 				iter->iDes16.iPtr=REINTERPRET_CAST(const TUint16*,(text-(TUint8*)key));
sl@0: 				text=Mem::Copy(text,p,iter->iDes16.iLength<<1);
sl@0: 				}
sl@0: 				break;
sl@0: 				};
sl@0: 			} while (++iter<end);
sl@0: 		}
sl@0: 	return TPtrC8((TUint8*)key,size+tsize);
sl@0: 	}