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Diffstat (limited to 'svtools/source/misc/flbytes.cxx')
| -rw-r--r-- | svtools/source/misc/flbytes.cxx | 432 |
1 files changed, 0 insertions, 432 deletions
diff --git a/svtools/source/misc/flbytes.cxx b/svtools/source/misc/flbytes.cxx deleted file mode 100644 index acf53d9b3e94..000000000000 --- a/svtools/source/misc/flbytes.cxx +++ /dev/null @@ -1,432 +0,0 @@ -/************************************************************************* - * - * 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.cxx,v $ - * $Revision: 1.6 $ - * - * 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. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_svtools.hxx" -#include <vcl/svapp.hxx> -#include <flbytes.hxx> - -#ifndef _SVSTDARR_ULONGS_DECL -#define _SVSTDARR_ULONGS -#include <svtools/svstdarr.hxx> -#undef _SVSTDARR_ULONGS -#endif - -namespace unnamed_svtools_flbytes {} using namespace unnamed_svtools_flbytes; - // unnamed namespaces don't work well yet - -//============================================================================ -namespace unnamed_svtools_flbytes { - -inline ULONG MyMin( long a, long b ) -{ - return Max( long( Min( a , b ) ), 0L ); -} - -} - -//============================================================================ -// -// SvFillLockBytes -// -//============================================================================ - -TYPEINIT1(SvFillLockBytes, SvLockBytes); - -//============================================================================ -SvFillLockBytes::SvFillLockBytes( SvLockBytes* pLockBytes ) - : xLockBytes( pLockBytes ), - nFilledSize( 0 ), - bTerminated( FALSE ) -{ -} - -//============================================================================ -ErrCode SvFillLockBytes::ReadAt( ULONG nPos, void* pBuffer, ULONG nCount, - ULONG *pRead ) const -{ - if( bTerminated ) - return xLockBytes->ReadAt( nPos, pBuffer, nCount, pRead ); - else - { - ULONG nWanted = nPos + nCount; - if( IsSynchronMode() ) - { - while( nWanted > nFilledSize && !bTerminated ) - Application::Yield(); - return xLockBytes->ReadAt( nPos, pBuffer, nCount, pRead ); - } - else - { - ULONG nRead = MyMin( nCount, long( nFilledSize ) - nPos ); - ULONG nErr = xLockBytes->ReadAt( nPos, pBuffer, nRead, pRead ); - return ( !nCount || nRead == nCount || nErr ) ? - nErr : ERRCODE_IO_PENDING; - } - } -} - -//============================================================================ -ErrCode SvFillLockBytes::WriteAt( ULONG nPos, const void* pBuffer, - ULONG nCount, ULONG *pWritten ) -{ - if( bTerminated ) - return xLockBytes->WriteAt( nPos, pBuffer, nCount, pWritten ); - else - { - ULONG nWanted = nPos + nCount; - if( IsSynchronMode() ) - { - while( nWanted > nFilledSize && !bTerminated ) - Application::Yield(); - return xLockBytes->WriteAt( nPos, pBuffer, nCount, pWritten ); - } - else - { - ULONG nRead = MyMin( nCount, long( nFilledSize ) - nPos ); - ULONG nErr = xLockBytes->WriteAt( nPos, pBuffer, nRead, pWritten ); - return ( !nCount || nRead == nCount || nErr ) ? - nErr : ERRCODE_IO_PENDING; - } - } -} - -//============================================================================ -ErrCode SvFillLockBytes::Flush() const -{ - return xLockBytes->Flush( ); -} - -//============================================================================ -ErrCode SvFillLockBytes::SetSize( ULONG nSize ) -{ - return xLockBytes->SetSize( nSize ); -} - -//============================================================================ -ErrCode SvFillLockBytes::LockRegion( ULONG nPos, ULONG nCount, LockType eType) -{ - return xLockBytes->LockRegion( nPos, nCount, eType ); -} - -//============================================================================ -ErrCode SvFillLockBytes::UnlockRegion( - ULONG nPos, ULONG nCount, LockType eType) -{ - return xLockBytes->UnlockRegion( nPos, nCount, eType ); -} - -//============================================================================ -ErrCode SvFillLockBytes::Stat( - SvLockBytesStat* pStat, SvLockBytesStatFlag eFlag) const -{ - return xLockBytes->Stat( pStat, eFlag ); -} - -//============================================================================ -ErrCode SvFillLockBytes::FillAppend( const void* pBuffer, ULONG nCount, ULONG *pWritten ) -{ - ErrCode nRet = xLockBytes->WriteAt( - nFilledSize, pBuffer, nCount, pWritten ); - nFilledSize += *pWritten; - return nRet; -} - -//============================================================================ -void SvFillLockBytes::Terminate() -{ - bTerminated = TRUE; -} - -//============================================================================ -SV_DECL_IMPL_REF_LIST( SvLockBytes, SvLockBytes* ) - -//============================================================================ -// -// SvSyncLockBytes -// -//============================================================================ - -TYPEINIT1(SvSyncLockBytes, SvOpenLockBytes); - -//============================================================================ -// virtual -ErrCode SvSyncLockBytes::ReadAt(ULONG nPos, void * pBuffer, ULONG nCount, - ULONG * pRead) const -{ - for (ULONG nReadTotal = 0;;) - { - ULONG nReadCount = 0; - ErrCode nError = m_xAsyncLockBytes->ReadAt(nPos, pBuffer, nCount, - &nReadCount); - nReadTotal += nReadCount; - if (nError != ERRCODE_IO_PENDING || !IsSynchronMode()) - { - if (pRead) - *pRead = nReadTotal; - return nError; - } - nPos += nReadCount; - pBuffer = static_cast< sal_Char * >(pBuffer) + nReadCount; - nCount -= nReadCount; - Application::Yield(); - } -} - -//============================================================================ -// virtual -ErrCode SvSyncLockBytes::WriteAt(ULONG nPos, const void * pBuffer, - ULONG nCount, ULONG * pWritten) -{ - for (ULONG nWrittenTotal = 0;;) - { - ULONG nWrittenCount = 0; - ErrCode nError = m_xAsyncLockBytes->WriteAt(nPos, pBuffer, nCount, - &nWrittenCount); - nWrittenTotal += nWrittenCount; - if (nError != ERRCODE_IO_PENDING || !IsSynchronMode()) - { - if (pWritten) - *pWritten = nWrittenTotal; - return nError; - } - nPos += nWrittenCount; - pBuffer = static_cast< sal_Char const * >(pBuffer) + nWrittenCount; - nCount -= nWrittenCount; - Application::Yield(); - } -} - -//============================================================================ -// -// SvCompositeLockBytes -// -//============================================================================ - -struct SvCompositeLockBytes_Impl -{ - SvLockBytesMemberList aLockBytes; - SvULongs aPositions; - SvULongs aOffsets; - BOOL bPending; - ULONG RelativeOffset( ULONG nPos ) const; - ErrCode ReadWrite_Impl( - ULONG nPos, void* pBuffer, ULONG nCount, ULONG* pProcessed, - BOOL bRead ); - SvCompositeLockBytes_Impl() : bPending( FALSE ){} -}; - -//============================================================================ -ULONG SvCompositeLockBytes_Impl::RelativeOffset( ULONG nPos ) const -{ - const SvULongs& rPositions = aPositions; - const SvULongs& rOffsets = aOffsets; - - USHORT nMinPos = 0; - USHORT nListCount = rPositions.Count(); - - // Erster Lockbytes, der bearbeitet werden muss - while( nMinPos + 1 < nListCount && rPositions[ nMinPos + 1 ] <= nPos ) - nMinPos ++; - ULONG nSectionStart = rPositions[ nMinPos ]; - if( nSectionStart > nPos ) - return ULONG_MAX; - return rOffsets[ nMinPos ] + nPos - nSectionStart; -} - -//============================================================================ -ErrCode SvCompositeLockBytes_Impl::ReadWrite_Impl( - ULONG nPos, void* pBuffer, ULONG nCount, ULONG* pProcessed, - BOOL bRead ) -{ - ErrCode nErr = ERRCODE_NONE; - SvULongs& rPositions = aPositions; - SvULongs& rOffsets = aOffsets; - SvLockBytesMemberList& rLockBytes = aLockBytes; - - ULONG nBytes = nCount; - USHORT nListCount = rPositions.Count(); - USHORT nMinPos = 0; - - // Erster Lockbytes, der bearbeitet werden muss - while( nMinPos + 1 < nListCount && rPositions[ nMinPos + 1 ] <= nPos ) - nMinPos ++; - ULONG nSectionStart = rPositions[ nMinPos ]; - - if( nSectionStart > nPos ) - { - // Es wird aus fuehrendem Leerbereich gearbeitet - *pProcessed = 0; - return ERRCODE_IO_CANTREAD; - } - - ULONG nDone; - while( nMinPos < nListCount ) - { - ULONG nToProcess; - ULONG nSectionStop; - if( nMinPos + 1 < nListCount ) - { - nSectionStop = rPositions[ nMinPos + 1 ]; - nToProcess = MyMin( long( nSectionStop ) - nPos, nBytes ); - } - else - { - nToProcess = nBytes; - nSectionStop = 0; - } - ULONG nAbsPos = nPos - nSectionStart + rOffsets[ nMinPos ]; - SvLockBytes* pLB = rLockBytes.GetObject( nMinPos ); - if( bRead ) - nErr = pLB->ReadAt( nAbsPos, pBuffer, nToProcess, &nDone ); - else - nErr = pLB->WriteAt( nAbsPos, pBuffer, nToProcess, &nDone ); - nBytes -= nDone; - if( nErr || nDone < nToProcess || !nBytes ) - { - *pProcessed = nCount - nBytes; - // Wenn aus dem letzten LockBytes nichts mehr gelesen wurde und - // bPending gesetzt ist, Pending zurueck - if( !nDone && nMinPos == nListCount - 1 ) - return bPending ? ERRCODE_IO_PENDING : nErr; - else return nErr; - } - pBuffer = static_cast< sal_Char * >(pBuffer) + nDone; - nPos += nDone; - nSectionStart = nSectionStop; - nMinPos++; - } - return nErr; -} - -//============================================================================ -TYPEINIT1(SvCompositeLockBytes, SvLockBytes); - -//============================================================================ -SvCompositeLockBytes::SvCompositeLockBytes() - : pImpl( new SvCompositeLockBytes_Impl ) -{ -} - -//============================================================================ -SvCompositeLockBytes::~SvCompositeLockBytes() -{ - delete pImpl; -} - -//============================================================================ -void SvCompositeLockBytes::SetIsPending( BOOL bSet ) -{ - pImpl->bPending = bSet; -} - -//============================================================================ -ULONG SvCompositeLockBytes::RelativeOffset( ULONG nPos ) const -{ - return pImpl->RelativeOffset( nPos ); -} - -//============================================================================ -ErrCode SvCompositeLockBytes::ReadAt( - ULONG nPos, void* pBuffer, ULONG nCount, ULONG* pRead ) const -{ - return pImpl->ReadWrite_Impl( nPos, pBuffer, nCount, pRead, TRUE ); -} - -//============================================================================ -ErrCode SvCompositeLockBytes::WriteAt( - ULONG nPos, const void* pBuffer, ULONG nCount, ULONG* pWritten ) -{ - return pImpl->ReadWrite_Impl( - nPos, const_cast< void * >(pBuffer), nCount, pWritten, FALSE ); -} - -//============================================================================ -ErrCode SvCompositeLockBytes::Flush() const -{ - SvLockBytesMemberList& rLockBytes = pImpl->aLockBytes; - ErrCode nErr = ERRCODE_NONE; - for( USHORT nCount = (USHORT)rLockBytes.Count(); !nErr && nCount--; ) - nErr = rLockBytes.GetObject( nCount )->Flush(); - return nErr; -} - -//============================================================================ -ErrCode SvCompositeLockBytes::SetSize( ULONG ) -{ - DBG_ERROR( "not implemented" ); - return ERRCODE_IO_NOTSUPPORTED; -} - -//============================================================================ -ErrCode SvCompositeLockBytes::LockRegion( ULONG, ULONG, LockType ) -{ - DBG_ERROR( "not implemented" ); - return ERRCODE_IO_NOTSUPPORTED; -} - -//============================================================================ -ErrCode SvCompositeLockBytes::UnlockRegion( - ULONG, ULONG, LockType ) -{ - DBG_ERROR( "not implemented" ); - return ERRCODE_IO_NOTSUPPORTED; -} - -//============================================================================ -ErrCode SvCompositeLockBytes::Stat( - SvLockBytesStat* pStat, SvLockBytesStatFlag eFlag) const -{ - USHORT nMax = pImpl->aPositions.Count() - 1; - - SvLockBytesStat aStat; - ErrCode nErr = pImpl->aLockBytes.GetObject( nMax )->Stat( &aStat, eFlag ); - pStat->nSize = pImpl->aPositions[ nMax ] + aStat.nSize; - - return nErr; -} - -//============================================================================ -void SvCompositeLockBytes::Append( - SvLockBytes* pLockBytes, ULONG nPos, ULONG nOffset ) -{ - USHORT nCount = pImpl->aOffsets.Count(); - pImpl->aLockBytes.Insert( pLockBytes, nCount ); - pImpl->aPositions.Insert( nPos, nCount ); - pImpl->aOffsets.Insert( nOffset, nCount ); -} - -//============================================================================ -SvLockBytes* SvCompositeLockBytes::GetLastLockBytes() const -{ - return pImpl->aLockBytes.Count() ? - pImpl->aLockBytes.GetObject( pImpl->aLockBytes.Count() - 1 ) : 0; -} - |