1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/persistentdata/persistentstorage/dbms/sdbms/SD_OBJ.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,144 @@
     1.4 +// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// DBMS server and support classes
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#include "SD_STD.H"
    1.22 +
    1.23 +// Class RDbsObject
    1.24 +void RDbsObject::OpenL(const RDbsObject& aDbs,TDbsFunction aFunction,const TIpcArgs* aArgs)
    1.25 +	{
    1.26 +	__ASSERT(!iHandle);
    1.27 +	iHandle=aDbs.SendReceiveL(TDbsFunction(aFunction|KDbsObjectReturn),aArgs);
    1.28 +	RDbs::operator=(STATIC_CAST(const RDbs&,aDbs));
    1.29 +	}
    1.30 +
    1.31 +void RDbsObject::Close()
    1.32 +	{
    1.33 +	if (iHandle)
    1.34 +		{
    1.35 +		SendReceive(EDbsClose);
    1.36 +		iHandle=0;
    1.37 +		SetHandle(KNullHandle);		// set session handle
    1.38 +		}
    1.39 +	}
    1.40 +
    1.41 +TInt RDbsObject::SendReceive(TDbsFunction aFunction,const TIpcArgs* aArgs) const
    1.42 +	{
    1.43 +	__ASSERT(iHandle);
    1.44 +	if(aArgs)
    1.45 +		return RDbs::SendReceive(DbsMessage(aFunction,iHandle),*aArgs);
    1.46 +	else
    1.47 +		return RDbs::SendReceive(DbsMessage(aFunction,iHandle),TIpcArgs());
    1.48 +	}
    1.49 +
    1.50 +TInt RDbsObject::SendReceive(TDbsFunction aFunction) const
    1.51 +	{
    1.52 +	return SendReceive(aFunction,0);
    1.53 +	}
    1.54 +
    1.55 +TInt RDbsObject::SendReceiveL(TDbsFunction aFunction,const TIpcArgs* aArgs) const
    1.56 +	{
    1.57 +	return __LEAVE_IF_ERROR(SendReceive(aFunction,aArgs));
    1.58 +	}
    1.59 +
    1.60 +TInt RDbsObject::SendReceiveL(TDbsFunction aFunction) const
    1.61 +	{
    1.62 +	return SendReceiveL(aFunction,0);
    1.63 +	}
    1.64 +
    1.65 +void RDbsObject::SendReceive(TDbsFunction aFunction,const TIpcArgs* aArgs,TRequestStatus& aStatus) const
    1.66 +	{
    1.67 +	__ASSERT(iHandle);
    1.68 +	if(aArgs)
    1.69 +		RDbs::SendReceive(DbsMessage(aFunction,iHandle),*aArgs,aStatus);
    1.70 +	else
    1.71 +		RDbs::SendReceive(DbsMessage(aFunction,iHandle),TIpcArgs(),aStatus);
    1.72 +	}
    1.73 +
    1.74 +// Class TDbsParam
    1.75 +
    1.76 +const TInt KBufGranularity=0x200;
    1.77 +
    1.78 +TPtrC8 TDbsParam::PrepareLC(const CDbColSet& aColSet)
    1.79 +	{
    1.80 +	CBufFlat* buf=CBufFlat::NewL(KBufGranularity);
    1.81 +	CleanupStack::PushL(buf);
    1.82 +	RBufWriteStream strm(*buf);
    1.83 +	strm<<aColSet;
    1.84 +	return buf->Ptr(0);
    1.85 +	}
    1.86 +
    1.87 +TPtrC8 TDbsParam::PrepareLC(const CDbKey& aKey)
    1.88 +	{
    1.89 +	CBufFlat* buf=CBufFlat::NewL(KBufGranularity);
    1.90 +	CleanupStack::PushL(buf);
    1.91 +	RBufWriteStream strm(*buf);
    1.92 +	strm<<aKey;
    1.93 +	return buf->Ptr(0);
    1.94 +	}
    1.95 +
    1.96 +TPtrC8 TDbsParam::PrepareLC(const TDbLookupKey& aKey)
    1.97 +	{
    1.98 +	TInt tsize=0;
    1.99 +	const TDbLookupKey::SColumn* iter=aKey.First();
   1.100 +	const TDbLookupKey::SColumn* end=iter+aKey.Count();
   1.101 +	do
   1.102 +		{
   1.103 +		switch (iter->iType)
   1.104 +			{
   1.105 +		default:
   1.106 +			break;
   1.107 +		case EDbColText8:
   1.108 +			tsize+=iter->iDes8.iLength;
   1.109 +			break;
   1.110 +		case EDbColText16:
   1.111 +			tsize+=iter->iDes16.iLength<<1;
   1.112 +			break;
   1.113 +			};
   1.114 +		} while (++iter<end);
   1.115 +	//
   1.116 +	TInt size=(TUint8*)end-(TUint8*)&aKey;
   1.117 +	TDbLookupKey* key=(TDbLookupKey*)User::AllocLC(size+tsize);
   1.118 +	TUint8* text=Mem::Copy(key,&aKey,size);
   1.119 +	if (tsize)
   1.120 +		{
   1.121 +		TDbLookupKey::SColumn* iter=CONST_CAST(TDbLookupKey::SColumn*,key->First());
   1.122 +		TDbLookupKey::SColumn* end=(TDbLookupKey::SColumn*)text;
   1.123 +		do
   1.124 +			{
   1.125 +			switch (iter->iType)
   1.126 +				{
   1.127 +			default:
   1.128 +				break;
   1.129 +			case EDbColText8:
   1.130 +				{
   1.131 +				const TUint8* p=iter->iDes8.iPtr;
   1.132 +				iter->iDes8.iPtr=REINTERPRET_CAST(const TUint8*,(text-(TUint8*)key));
   1.133 +				text=Mem::Copy(text,p,iter->iDes8.iLength);
   1.134 +				}
   1.135 +				break;
   1.136 +			case EDbColText16:
   1.137 +				{
   1.138 +				const TUint16* p=iter->iDes16.iPtr;
   1.139 +				iter->iDes16.iPtr=REINTERPRET_CAST(const TUint16*,(text-(TUint8*)key));
   1.140 +				text=Mem::Copy(text,p,iter->iDes16.iLength<<1);
   1.141 +				}
   1.142 +				break;
   1.143 +				};
   1.144 +			} while (++iter<end);
   1.145 +		}
   1.146 +	return TPtrC8((TUint8*)key,size+tsize);
   1.147 +	}