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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: flbytes.hxx,v $
* $Revision: 1.3 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _FLBYTES_HXX
#define _FLBYTES_HXX
#include <tools/debug.hxx>
#include <tools/stream.hxx>
//============================================================================
class SvFillLockBytes : public SvLockBytes
{
SvLockBytesRef xLockBytes;
ULONG nFilledSize;
BOOL bTerminated;
BOOL bSync;
public:
TYPEINFO();
SvFillLockBytes( SvLockBytes* pLockBytes );
virtual ErrCode ReadAt(
ULONG nPos, void* pBuffer, ULONG nCount, ULONG* pRead ) const;
virtual ErrCode WriteAt(
ULONG nPos, const void* pBuffer, ULONG nCount, ULONG* pWritten );
virtual ErrCode Flush() const;
virtual ErrCode SetSize( ULONG nSize );
virtual ErrCode LockRegion( ULONG nPos, ULONG nCount, LockType );
virtual ErrCode UnlockRegion( ULONG nPos, ULONG nCount, LockType );
virtual ErrCode Stat( SvLockBytesStat*, SvLockBytesStatFlag ) const;
ErrCode FillAppend( const void* pBuffer, ULONG nCount, ULONG *pWritten );
ULONG Tell() const { return nFilledSize; }
void Seek( ULONG nPos ) { nFilledSize = nPos; }
void Terminate();
};
SV_DECL_IMPL_REF( SvFillLockBytes )
//============================================================================
class SvSyncLockBytes: public SvOpenLockBytes
{
SvAsyncLockBytesRef m_xAsyncLockBytes;
public:
TYPEINFO();
/// Create a synchronous wrapper around existing asynchronous lock bytes.
///
/// @param pTheAsyncLockBytes Must not be null.
inline SvSyncLockBytes(SvAsyncLockBytes * pTheAsyncLockBytes);
/// Create a synchronous wrapper around an existing stream.
///
/// @descr This is like first creating asynchronous lock bytes around the
/// stream and than creating a synchronous wrapper around the asynchronous
/// lock bytes.
///
/// @param pStream Must not be null.
///
/// @param bOwner True if these lock bytes own the stream (delete it on
/// destruction).
SvSyncLockBytes(SvStream * pStream, BOOL bOwner):
m_xAsyncLockBytes(new SvAsyncLockBytes(pStream, bOwner)) {}
virtual const SvStream * GetStream() const
{ return m_xAsyncLockBytes->GetStream(); }
virtual void SetSynchronMode(BOOL bSync = TRUE)
{ m_xAsyncLockBytes->SetSynchronMode(bSync); }
virtual BOOL IsSynchronMode() const
{ return m_xAsyncLockBytes->IsSynchronMode(); }
virtual ErrCode ReadAt(ULONG nPos, void * pBuffer, ULONG nCount,
ULONG * pRead) const;
virtual ErrCode WriteAt(ULONG nPos, const void * pBuffer, ULONG nCount,
ULONG * pWritten);
virtual ErrCode Flush() const { return m_xAsyncLockBytes->Flush(); }
virtual ErrCode SetSize(ULONG nSize)
{ return m_xAsyncLockBytes->SetSize(nSize); }
virtual ErrCode LockRegion(ULONG nPos, ULONG nCount, LockType eType)
{ return m_xAsyncLockBytes->LockRegion(nPos, nCount, eType); }
virtual ErrCode UnlockRegion(ULONG nPos, ULONG nCount, LockType eType)
{ return m_xAsyncLockBytes->UnlockRegion(nPos, nCount, eType); }
virtual ErrCode Stat(SvLockBytesStat * pStat, SvLockBytesStatFlag eFlag)
const
{ return m_xAsyncLockBytes->Stat(pStat, eFlag); }
virtual ErrCode FillAppend(const void * pBuffer, ULONG nCount,
ULONG * pWritten)
{ return m_xAsyncLockBytes->FillAppend(pBuffer, nCount, pWritten); }
virtual ULONG Tell() const { return m_xAsyncLockBytes->Tell(); }
virtual ULONG Seek(ULONG nPos)
{ return m_xAsyncLockBytes->Seek(nPos); }
virtual void Terminate() { m_xAsyncLockBytes->Terminate(); }
};
inline SvSyncLockBytes::SvSyncLockBytes(SvAsyncLockBytes *
pTheAsyncLockBytes):
m_xAsyncLockBytes(pTheAsyncLockBytes)
{
DBG_ASSERT(m_xAsyncLockBytes.Is(),
"SvSyncLockBytes::SvSyncLockBytes(): Null");
}
SV_DECL_IMPL_REF(SvSyncLockBytes);
//============================================================================
struct SvCompositeLockBytes_Impl;
class SvCompositeLockBytes : public SvLockBytes
{
SvCompositeLockBytes_Impl* pImpl;
public:
TYPEINFO();
SvCompositeLockBytes( );
~SvCompositeLockBytes();
void Append( SvLockBytes* pLockBytes, ULONG nPos, ULONG nOffset );
ULONG RelativeOffset( ULONG nPos ) const;
void SetIsPending( BOOL bSet );
SvLockBytes* GetLastLockBytes() const;
virtual ErrCode ReadAt(
ULONG nPos, void* pBuffer, ULONG nCount, ULONG* pRead ) const;
virtual ErrCode WriteAt(
ULONG nPos, const void* pBuffer, ULONG nCount, ULONG* pWritten );
virtual ErrCode Flush() const;
virtual ErrCode SetSize( ULONG nSize );
virtual ErrCode LockRegion( ULONG nPos, ULONG nCount, LockType );
virtual ErrCode UnlockRegion( ULONG nPos, ULONG nCount, LockType );
virtual ErrCode Stat( SvLockBytesStat*, SvLockBytesStatFlag ) const;
};
SV_DECL_IMPL_REF( SvCompositeLockBytes )
#endif
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