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// Copyright (c) 2006-2009 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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// // RSqlBufFlat class //
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//
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//
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/**
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@return Flat buffer elements count
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*/
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inline TInt RSqlBufFlat::Count() const
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{
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SQLFLATBUF_INVARIANT();
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return iBuf->iCount;
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}
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/**
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@return Flat buffer size (this is not the max size. It refers only to the used part of the flat buffer)
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*/
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inline TInt RSqlBufFlat::Size() const
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{
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SQLFLATBUF_INVARIANT();
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return iBuf->iSize;
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}
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/**
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@return Flat buffer max size
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*/
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inline TInt RSqlBufFlat::MaxSize() const
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{
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SQLFLATBUF_INVARIANT();
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return iMaxSize;
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}
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/**
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@return A pointer to the beginning of the flat buffer header
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*/
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inline RSqlBufFlat::TCell* RSqlBufFlat::Header()
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{
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return reinterpret_cast <RSqlBufFlat::TCell*> (iBuf + 1);
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}
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/**
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@return A const pointer to the beginning of the flat buffer header
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*/
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inline const RSqlBufFlat::TCell* RSqlBufFlat::Header() const
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{
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return reinterpret_cast <const RSqlBufFlat::TCell*> (iBuf + 1);
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}
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/**
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@return The avaliable space in the flat buffer
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*/
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inline TInt RSqlBufFlat::Available() const
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{
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return iMaxSize - iBuf->iSize;
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}
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/**
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This function returns a const reference to a descriptor object pointing to the internal buffer.
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BufDes() guarantees to return a const descriptor, whose lifetime is the same as the flat buffer lifetime.
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(useful when making asynchronous IPC calls)
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@return A reference to a descriptor object pointing to the internal buffer.
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*/
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inline const TDesC8& RSqlBufFlat::BufDes() const
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{
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SQLFLATBUF_INVARIANT();
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iBufPtrC.Set(reinterpret_cast <const TUint8*> (iBuf), iBuf->iSize);
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return iBufPtrC;
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}
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/**
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This function returns a modifiable reference to a descriptor object pointing to the internal buffer.
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BufPtr() guarantees to return a modifiable descriptor, whose lifetime is the same as the flat buffer lifetime.
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(useful when making asynchronous IPC calls)
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@return A reference to a modifiable descriptor object pointing to the internal buffer.
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*/
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inline TPtr8& RSqlBufFlat::BufPtr()
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{
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SQLFLATBUF_INVARIANT();
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iBufPtr.Set(reinterpret_cast <TUint8*> (iBuf), iBuf->iSize, iMaxSize);
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return iBufPtr;
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}
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/**
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@return The minimal allowed buffer size: sizeof(TBufFlat) + size of the header
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*/
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inline TInt RSqlBufFlat::SysDataSize() const
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{
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return iBuf->iHeaderSize + sizeof(RSqlBufFlat::TBufFlat);
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}
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