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