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libreoffice/tools/source/stream/stream.cxx

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initial import
2000-09-18 16:07:07 +00:00
/*************************************************************************
*
* $RCSfile: stream.cxx,v $
*
#88541# - Remove W16 code
2001-07-03 13:52:19 +00:00
* $Revision: 1.7 $
initial import
2000-09-18 16:07:07 +00:00
*
#88541# - Remove W16 code
2001-07-03 13:52:19 +00:00
* last change: $Author: th $ $Date: 2001-07-03 14:51:44 $
initial import
2000-09-18 16:07:07 +00:00
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
// ToDo:
// - Read->RefreshBuffer->Auf Aenderungen von nBufActualLen reagieren
#include <string.h>
#include <stdio.h>
#include <ctype.h> // isspace
#include <stdlib.h> // strtol, _crotl
/*
#if defined( DBG_UTIL ) && defined( DEBUG )
// prueft Synchronisation des Buffers nach allen Read, Write, Seek
#define OV_DEBUG
#endif
*/
#include <solar.h>
#if defined(BLC)
#define SWAPNIBBLES(c) c=_crotl(c,4);
#else
#define SWAPNIBBLES(c) \
unsigned char nSwapTmp=c; \
nSwapTmp <<= 4; \
c >>= 4; \
c |= nSwapTmp;
#endif
#include <new.hxx>
#include <debug.hxx>
#define ENABLE_BYTESTRING_STREAM_OPERATORS
#include <stream.hxx>
#include <osl/thread.h>
use min/max from stl
2000-11-03 15:55:08 +00:00
#include <algorithm>
initial import
2000-09-18 16:07:07 +00:00
// -----------------------------------------------------------------------
DBG_NAME( Stream );
// -----------------------------------------------------------------------
// sprintf Param-Mode
#define SPECIAL_PARAM_NONE 0 // Format-Str, Number
#define SPECIAL_PARAM_WIDTH 1 // Format-Str, Width, Number
#define SPECIAL_PARAM_PRECISION 2 // Format-Str, Precision, Number
#define SPECIAL_PARAM_BOTH 3 // Format-Str, Width, Precision, Number
#if SUPD <= 344
#define _CR '\n'
#define _LF '\r'
#endif
// -----------------------------------------------------------------------
// !!! Nicht inline, wenn Operatoren <<,>> inline sind
inline static void SwapUShort( USHORT& r )
{ r = SWAPSHORT(r); }
inline static void SwapShort( short& r )
{ r = SWAPSHORT(r); }
inline static void SwapInt( int& r )
{ r = SWAPSHORT(r); }
inline static void SwapUInt( unsigned int& r )
{ r = SWAPSHORT(r); }
inline static void SwapLong( long& r )
{ r = SWAPLONG(r); }
inline static void SwapULong( ULONG& r )
{ r = SWAPLONG(r); }
inline static void SwapLongInt( int& r )
{ r = SWAPLONG(r); }
inline static void SwapLongUInt( unsigned int& r )
{ r = SWAPLONG(r); }
#ifdef UNX
inline static void SwapFloat( float& r )
{
DBG_ASSERT( FALSE, "SwapFloat noch nicht implementiert!\n" );
}
inline static void SwapDouble( double& r )
{
if( sizeof(double) != 8 )
{
DBG_ASSERT( FALSE, "Can only swap 8-Byte-doubles\n" );
}
else
{
UINT32* c = (UINT32*)(void*)&r;
c[0] ^= c[1]; // zwei 32-Bit-Werte in situ vertauschen
c[1] ^= c[0];
c[0] ^= c[1];
c[0] = SWAPLONG(c[0]); // und die beiden 32-Bit-Werte selbst in situ drehen
c[1] = SWAPLONG(c[1]);
}
}
#elif MAC
inline static void SwapFloat( float& r )
{
DBG_ASSERT( FALSE, "SwapFloat noch nicht implementiert!\n" );
}
inline static void SwapDouble( double& r )
{
#ifdef DBG_UTIL
if( sizeof(double) != 8 )
DBG_ASSERT( FALSE, "Can only swap 8-Byte-doubles\n" );
#endif
UINT32* c = (UINT32*)(void*)&r;
UINT32 nHelp;
// zwei 32-Bit-Werte in situ vertauschen
// und die beiden 32-Bit-Werte selbst in situ drehen
nHelp = SWAPLONG(c[0]);
c[0] = SWAPLONG(c[1]);
c[1] = nHelp;
}
#endif // #ifdef UNX / elif MAC
//SDO
#define READNUMBER_WITHOUT_SWAP(datatype,value) \
{\
int tmp = eIOMode; \
if( (tmp == STREAM_IO_READ) && sizeof(datatype)<=nBufFree) \
{\
for (int i = 0; i < sizeof(datatype); i++)\
((char *)&r)[i] = pBufPos[i];\
nBufActualPos += sizeof(datatype);\
pBufPos += sizeof(datatype);\
nBufFree -= sizeof(datatype);\
}\
else\
Read( (char*)&value, sizeof(datatype) );\
}
#define WRITENUMBER_WITHOUT_SWAP(datatype,value) \
{\
int tmp = eIOMode; \
if( (tmp==STREAM_IO_WRITE) && sizeof(datatype) <= nBufFree)\
{\
for (int i = 0; i < sizeof(datatype); i++)\
pBufPos[i] = ((char *)&value)[i];\
nBufFree -= sizeof(datatype);\
nBufActualPos += sizeof(datatype);\
if( nBufActualPos > nBufActualLen )\
nBufActualLen = nBufActualPos;\
pBufPos += sizeof(datatype);\
bIsDirty = TRUE;\
}\
else\
Write( (char*)&value, sizeof(datatype) );\
}
//============================================================================
//
// class SvLockBytes
//
//============================================================================
void SvLockBytes::close()
{
if (m_bOwner)
delete m_pStream;
m_pStream = 0;
}
//============================================================================
TYPEINIT0(SvLockBytes);
//============================================================================
// virtual
ErrCode SvLockBytes::ReadAt(ULONG nPos, void * pBuffer, ULONG nCount,
ULONG * pRead) const
{
if (!m_pStream)
{
DBG_ERROR("SvLockBytes::ReadAt(): Bad stream");
return ERRCODE_NONE;
}
m_pStream->Seek(nPos);
ULONG nTheRead = m_pStream->Read(pBuffer, nCount);
if (pRead)
*pRead = nTheRead;
return m_pStream->GetErrorCode();
}
//============================================================================
// virtual
ErrCode SvLockBytes::WriteAt(ULONG nPos, const void * pBuffer, ULONG nCount,
ULONG * pWritten)
{
if (!m_pStream)
{
DBG_ERROR("SvLockBytes::WriteAt(): Bad stream");
return ERRCODE_NONE;
}
m_pStream->Seek(nPos);
ULONG nTheWritten = m_pStream->Write(pBuffer, nCount);
if (pWritten)
*pWritten = nTheWritten;
return m_pStream->GetErrorCode();
}
//============================================================================
// virtual
ErrCode SvLockBytes::Flush() const
{
if (!m_pStream)
{
DBG_ERROR("SvLockBytes::Flush(): Bad stream");
return ERRCODE_NONE;
}
m_pStream->Flush();
return m_pStream->GetErrorCode();
}
//============================================================================
// virtual
ErrCode SvLockBytes::SetSize(ULONG nSize)
{
if (!m_pStream)
{
DBG_ERROR("SvLockBytes::SetSize(): Bad stream");
return ERRCODE_NONE;
}
m_pStream->SetStreamSize(nSize);
return m_pStream->GetErrorCode();
}
//============================================================================
ErrCode SvLockBytes::LockRegion(ULONG, ULONG, LockType)
{
DBG_ERROR("SvLockBytes::LockRegion(): Not implemented");
return ERRCODE_NONE;
}
//============================================================================
ErrCode SvLockBytes::UnlockRegion(ULONG, ULONG, LockType)
{
DBG_ERROR("SvLockBytes::UnlockRegion(): Not implemented");
return ERRCODE_NONE;
}
//============================================================================
ErrCode SvLockBytes::Stat(SvLockBytesStat * pStat, SvLockBytesStatFlag) const
{
if (!m_pStream)
{
DBG_ERROR("SvLockBytes::Stat(): Bad stream");
return ERRCODE_NONE;
}
if (pStat)
{
ULONG nPos = m_pStream->Tell();
pStat->nSize = m_pStream->Seek(STREAM_SEEK_TO_END);
m_pStream->Seek(nPos);
}
return ERRCODE_NONE;
}
//============================================================================
//
// class SvOpenLockBytes
//
//============================================================================
TYPEINIT1(SvOpenLockBytes, SvLockBytes);
//============================================================================
//
// class SvAsyncLockBytes
//
//============================================================================
TYPEINIT1(SvAsyncLockBytes, SvOpenLockBytes);
//============================================================================
// virtual
ErrCode SvAsyncLockBytes::ReadAt(ULONG nPos, void * pBuffer, ULONG nCount,
ULONG * pRead) const
{
if (m_bTerminated)
return SvOpenLockBytes::ReadAt(nPos, pBuffer, nCount, pRead);
else
{
use min/max from stl
2000-11-03 15:55:08 +00:00
ULONG nTheCount = std::min(nPos < m_nSize ? m_nSize - nPos : 0, nCount);
initial import
2000-09-18 16:07:07 +00:00
ErrCode nError = SvOpenLockBytes::ReadAt(nPos, pBuffer, nTheCount,
pRead);
return !nCount || nTheCount == nCount || nError ? nError :
ERRCODE_IO_PENDING;
}
}
//============================================================================
// virtual
ErrCode SvAsyncLockBytes::WriteAt(ULONG nPos, const void * pBuffer,
ULONG nCount, ULONG * pWritten)
{
if (m_bTerminated)
return SvOpenLockBytes::WriteAt(nPos, pBuffer, nCount, pWritten);
else
{
use min/max from stl
2000-11-03 15:55:08 +00:00
ULONG nTheCount = std::min(nPos < m_nSize ? m_nSize - nPos : 0, nCount);
initial import
2000-09-18 16:07:07 +00:00
ErrCode nError = SvOpenLockBytes::WriteAt(nPos, pBuffer, nTheCount,
pWritten);
return !nCount || nTheCount == nCount || nError ? nError :
ERRCODE_IO_PENDING;
}
}
//============================================================================
// virtual
ErrCode SvAsyncLockBytes::FillAppend(const void * pBuffer, ULONG nCount,
ULONG * pWritten)
{
ULONG nTheWritten;
ErrCode nError = SvOpenLockBytes::WriteAt(m_nSize, pBuffer, nCount,
&nTheWritten);
if (!nError)
m_nSize += nTheWritten;
if (pWritten)
*pWritten = nTheWritten;
return nError;
}
//============================================================================
// virtual
ULONG SvAsyncLockBytes::Seek(ULONG nPos)
{
if (nPos != STREAM_SEEK_TO_END)
m_nSize = nPos;
return m_nSize;
}
//============================================================================
//
// class SvStream
//
//============================================================================
ULONG SvStream::GetData( void* pData, ULONG nSize )
{
if( !GetError() )
{
DBG_ASSERT( xLockBytes.Is(), "pure virtual function" );
ULONG nRet;
nError = xLockBytes->ReadAt( nActPos, pData, nSize, &nRet );
nActPos += nRet;
return nRet;
}
else return 0;
}
ErrCode SvStream::SetLockBytes( SvLockBytesRef& rLB )
{
xLockBytes = rLB;
RefreshBuffer();
return ERRCODE_NONE;
}
//========================================================================
ULONG SvStream::PutData( const void* pData, ULONG nSize )
{
if( !GetError() )
{
DBG_ASSERT( xLockBytes.Is(), "pure virtual function" );
ULONG nRet;
nError = xLockBytes->WriteAt( nActPos, pData, nSize, &nRet );
nActPos += nRet;
return nRet;
}
else return 0;
}
//========================================================================
ULONG SvStream::SeekPos( ULONG nPos )
{
if( !GetError() && nPos == STREAM_SEEK_TO_END )
{
DBG_ASSERT( xLockBytes.Is(), "pure virtual function" );
SvLockBytesStat aStat;
xLockBytes->Stat( &aStat, SVSTATFLAG_DEFAULT );
nActPos = aStat.nSize;
}
else
nActPos = nPos;
return nActPos;
}
//========================================================================
void SvStream::FlushData()
{
if( !GetError() )
{
DBG_ASSERT( xLockBytes.Is(), "pure virtual function" );
nError = xLockBytes->Flush();
}
}
//========================================================================
void SvStream::SetSize( ULONG nSize )
{
DBG_ASSERT( xLockBytes.Is(), "pure virtual function" );
nError = xLockBytes->SetSize( nSize );
}
void SvStream::ImpInit()
{
nActPos = 0;
nCompressMode = COMPRESSMODE_NONE;
eStreamCharSet = osl_getThreadTextEncoding();
// eTargetCharSet = osl_getThreadTextEncoding();
nCryptMask = 0;
bIsEof = FALSE;
#if defined( MAC )
eLineDelimiter = LINEEND_CR; // MAC-Format
#elif defined( UNX )
eLineDelimiter = LINEEND_LF; // UNIX-Format
#else
eLineDelimiter = LINEEND_CRLF; // DOS-Format
#endif
SetNumberFormatInt( NUMBERFORMAT_INT_LITTLEENDIAN );
nBufFilePos = 0;
nBufActualPos = 0;
bIsDirty = FALSE;
bIsConsistent = TRUE;
bIsWritable = TRUE;
pRWBuf = 0;
pBufPos = 0;
nBufSize = 0;
nBufActualLen = 0;
eIOMode = STREAM_IO_DONTKNOW;
nBufFree = 0;
nRadix = 10;
nPrecision = 0; // all significant digits
nWidth = 0; // default width
cFiller = ' ';
nJustification = JUSTIFY_RIGHT;
eStreamMode = 0;
CreateFormatString();
nVersion = 0;
ClearError();
}
/*************************************************************************
|*
|* Stream::Stream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
SvStream::SvStream( SvLockBytes* pLockBytesP )
{
DBG_CTOR( Stream, NULL );
ImpInit();
xLockBytes = pLockBytesP;
const SvStream* pStrm;
if( pLockBytesP && (pStrm = pLockBytesP->GetStream() ) )
SetError( pStrm->GetErrorCode() );
SetBufferSize( 256 );
}
SvStream::SvStream()
{
DBG_CTOR( Stream, NULL );
ImpInit();
}
/*************************************************************************
|*
|* Stream::~Stream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
SvStream::~SvStream()
{
DBG_DTOR( Stream, NULL );
if ( xLockBytes.Is() )
Flush();
if( pRWBuf )
delete pRWBuf;
}
/*************************************************************************
|*
|* Stream::IsA()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
USHORT SvStream::IsA() const
{
return (USHORT)ID_STREAM;
}
/*************************************************************************
|*
|* Stream::ClearError()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::ClearError()
{
bIsEof = FALSE;
nError = SVSTREAM_OK;
}
/*************************************************************************
|*
|* Stream::SetError()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::SetError( ULONG nErrorCode )
{
if ( nError == SVSTREAM_OK )
nError = nErrorCode;
}
/*************************************************************************
|*
|* Stream::SetNumberFormatInt()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::SetNumberFormatInt( USHORT nNewFormat )
{
nNumberFormatInt = nNewFormat;
bSwap = FALSE;
#ifdef __BIGENDIAN
if( nNumberFormatInt == NUMBERFORMAT_INT_LITTLEENDIAN )
bSwap = TRUE;
#else
if( nNumberFormatInt == NUMBERFORMAT_INT_BIGENDIAN )
bSwap = TRUE;
#endif
}
/*************************************************************************
|*
|* Stream::SetBufferSize()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::SetBufferSize( USHORT nBufferSize )
{
ULONG nActualFilePos = Tell();
BOOL bDontSeek = (BOOL)(pRWBuf == 0);
if( bIsDirty && bIsConsistent && bIsWritable ) // wg. Windows NT: Access denied
Flush();
if( nBufSize )
{
delete pRWBuf;
nBufFilePos += nBufActualPos;
}
pRWBuf = 0;
nBufActualLen = 0;
nBufActualPos = 0;
nBufSize = nBufferSize;
if( nBufSize )
pRWBuf = new BYTE[ nBufSize ];
bIsConsistent = TRUE;
pBufPos = pRWBuf;
eIOMode = STREAM_IO_DONTKNOW;
if( !bDontSeek )
SeekPos( nActualFilePos );
}
/*************************************************************************
|*
|* Stream::ClearBuffer()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::ClearBuffer()
{
nBufActualLen = 0;
nBufActualPos = 0;
nBufFilePos = 0;
pBufPos = pRWBuf;
bIsDirty = FALSE;
bIsConsistent = TRUE;
eIOMode = STREAM_IO_DONTKNOW;
bIsEof = FALSE;
}
/*************************************************************************
|*
|* Stream::ResetError()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::ResetError()
{
ClearError();
}
/*************************************************************************
|*
|* Stream::ReadLine()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
BOOL SvStream::ReadByteStringLine( String& rStr, rtl_TextEncoding eSrcCharSet )
{
BOOL bRet;
ByteString aStr;
bRet = ReadLine(aStr);
rStr = UniString( aStr, eSrcCharSet );
return bRet;
}
BOOL SvStream::ReadLine( ByteString& rStr )
{
sal_Char buf[256+1];
BOOL bEnd = FALSE;
ULONG nOldFilePos = Tell();
sal_Char c = 0;
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
ULONG nTotalLen = 0;
initial import
2000-09-18 16:07:07 +00:00
rStr.Erase();
while( !bEnd && !GetError() ) // !!! nicht auf EOF testen,
// !!! weil wir blockweise
// !!! lesen
{
USHORT nLen = (USHORT)Read( buf, sizeof(buf)-1 );
if ( !nLen )
{
if ( rStr.Len() == 0 )
{
// der allererste Blockread hat fehlgeschlagen -> Abflug
bIsEof = TRUE;
return FALSE;
}
else
break;
}
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
USHORT j, n;
for( j = n = 0; j < nLen ; ++j )
initial import
2000-09-18 16:07:07 +00:00
{
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
c = buf[j];
if ( c == '\n' || c == '\r' )
initial import
2000-09-18 16:07:07 +00:00
{
bEnd = TRUE;
break;
}
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
// erAck 26.02.01: Old behavior was no special treatment of '\0'
// character here, but a following rStr+=c did ignore it. Is this
// really intended? Or should a '\0' better terminate a line?
// The nOldFilePos stuff wasn't correct then anyways.
if ( c )
{
if ( n < j )
buf[n] = c;
++n;
}
initial import
2000-09-18 16:07:07 +00:00
}
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
if ( n )
rStr.Append( buf, n );
nTotalLen += j;
initial import
2000-09-18 16:07:07 +00:00
}
if ( !bEnd && !GetError() && rStr.Len() )
bEnd = TRUE;
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
nOldFilePos += nTotalLen;
initial import
2000-09-18 16:07:07 +00:00
if( Tell() > nOldFilePos )
nOldFilePos++;
Seek( nOldFilePos ); // seeken wg. obigem BlockRead!
if ( bEnd && (c=='\r' || c=='\n') ) // Sonderbehandlung DOS-Dateien
{
char cTemp;
Read((char*)&cTemp , sizeof(cTemp) );
if( cTemp == c || (cTemp != '\n' && cTemp != '\r') )
Seek( nOldFilePos );
}
if ( bEnd )
bIsEof = FALSE;
return bEnd;
}
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
BOOL SvStream::ReadUniStringLine( String& rStr )
{
sal_Unicode buf[256+1];
BOOL bEnd = FALSE;
ULONG nOldFilePos = Tell();
sal_Unicode c = 0;
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
ULONG nTotalLen = 0;
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
DBG_ASSERT( sizeof(sal_Unicode) == sizeof(USHORT), "ReadUniStringLine: swapping sizeof(sal_Unicode) not implemented" );
rStr.Erase();
while( !bEnd && !GetError() ) // !!! nicht auf EOF testen,
// !!! weil wir blockweise
// !!! lesen
{
USHORT nLen = (USHORT)Read( (char*)buf, sizeof(buf)-sizeof(sal_Unicode) );
nLen /= sizeof(sal_Unicode);
if ( !nLen )
{
if ( rStr.Len() == 0 )
{
// der allererste Blockread hat fehlgeschlagen -> Abflug
bIsEof = TRUE;
return FALSE;
}
else
break;
}
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
USHORT j, n;
for( j = n = 0; j < nLen ; ++j )
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
{
if ( bSwap )
SwapUShort( buf[n] );
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
c = buf[j];
if ( c == '\n' || c == '\r' )
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
{
bEnd = TRUE;
break;
}
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
// erAck 26.02.01: Old behavior was no special treatment of '\0'
// character here, but a following rStr+=c did ignore it. Is this
// really intended? Or should a '\0' better terminate a line?
// The nOldFilePos stuff wasn't correct then anyways.
if ( c )
{
if ( n < j )
buf[n] = c;
++n;
}
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
}
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
if ( n )
rStr.Append( buf, n );
nTotalLen += j;
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
}
if ( !bEnd && !GetError() && rStr.Len() )
bEnd = TRUE;
#84386# ReadLine, ReadUniStringLine: part of performance problems: don't use String::operator+=(char) in loops, use String::Append(buffer,n) instead
2001-02-26 20:09:46 +00:00
nOldFilePos += nTotalLen * sizeof(sal_Unicode);
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
if( Tell() > nOldFilePos )
ReadUniStringLine: advance filepos sizeof(sal_Unicode) instead of 1
2001-01-10 15:02:17 +00:00
nOldFilePos += sizeof(sal_Unicode);
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
Seek( nOldFilePos ); // seeken wg. obigem BlockRead!
if ( bEnd && (c=='\r' || c=='\n') ) // Sonderbehandlung DOS-Dateien
{
sal_Unicode cTemp;
Read( (char*)&cTemp, sizeof(cTemp) );
if( cTemp == c || (cTemp != '\n' && cTemp != '\r') )
Seek( nOldFilePos );
}
if ( bEnd )
bIsEof = FALSE;
return bEnd;
}
BOOL SvStream::ReadUniOrByteStringLine( String& rStr, rtl_TextEncoding eSrcCharSet )
{
if ( eSrcCharSet == RTL_TEXTENCODING_UNICODE )
return ReadUniStringLine( rStr );
else
return ReadByteStringLine( rStr, eSrcCharSet );
}
new: ReadCString - read from the stream chars up to a zero char
2001-02-02 12:25:55 +00:00
/*************************************************************************
|*
|* Stream::ReadCString
|*
*************************************************************************/
BOOL SvStream::ReadCString( ByteString& rStr )
{
if( rStr.Len() )
rStr.Erase();
sal_Char buf[ 256 + 1 ];
BOOL bEnd = FALSE;
ULONG nFilePos = Tell();
while( !bEnd && !GetError() )
{
USHORT nLen = (USHORT)Read( buf, sizeof(buf)-1 );
if( !nLen )
break;
const sal_Char* pPtr = buf;
while( *pPtr && nLen )
++pPtr, --nLen;
bEnd = 0 == *pPtr;
rStr.Append( buf, pPtr - buf );
}
nFilePos += rStr.Len();
if( Tell() > nFilePos )
nFilePos++;
Seek( nFilePos ); // seeken wg. obigem BlockRead!
return bEnd;
}
BOOL SvStream::ReadCString( String& rStr, rtl_TextEncoding eToEncode )
{
ByteString sStr;
BOOL bRet = ReadCString( sStr );
rStr = String( sStr, eToEncode );
return bRet;
}
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
/*************************************************************************
|*
|* Stream::WriteUnicodeText()
|*
*************************************************************************/
BOOL SvStream::WriteUnicodeText( const String& rStr )
{
DBG_ASSERT( sizeof(sal_Unicode) == sizeof(USHORT), "WriteUnicodeText: swapping sizeof(sal_Unicode) not implemented" );
if ( bSwap )
{
xub_StrLen nLen = rStr.Len();
sal_Unicode aBuf[384];
sal_Unicode* const pTmp = ( nLen > 384 ? new sal_Unicode[nLen] : aBuf);
memcpy( pTmp, rStr.GetBuffer(), nLen * sizeof(sal_Unicode) );
sal_Unicode* p = pTmp;
const sal_Unicode* const pStop = pTmp + nLen;
while ( p < pStop )
{
SwapUShort( *p );
p++;
}
Write( (char*)pTmp, nLen * sizeof(sal_Unicode) );
if ( pTmp != aBuf )
delete [] pTmp;
}
else
Write( (char*)rStr.GetBuffer(), rStr.Len() * sizeof(sal_Unicode) );
return nError == SVSTREAM_OK;
}
BOOL SvStream::WriteUnicodeOrByteText( const String& rStr, rtl_TextEncoding eDestCharSet )
{
if ( eDestCharSet == RTL_TEXTENCODING_UNICODE )
return WriteUnicodeText( rStr );
else
{
ByteString aStr( rStr, eDestCharSet );
Write( aStr.GetBuffer(), aStr.Len() );
return nError == SVSTREAM_OK;
}
}
initial import
2000-09-18 16:07:07 +00:00
/*************************************************************************
|*
|* Stream::WriteLine()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
BOOL SvStream::WriteByteStringLine( const String& rStr, rtl_TextEncoding eDestCharSet )
{
return WriteLine( ByteString( rStr, eDestCharSet ) );
}
BOOL SvStream::WriteLine( const ByteString& rStr )
{
Write( rStr.GetBuffer(), rStr.Len() );
endl(*this);
return nError == SVSTREAM_OK;
}
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
BOOL SvStream::WriteUniStringLine( const String& rStr )
{
WriteUnicodeText( rStr );
endlu(*this);
return nError == SVSTREAM_OK;
}
BOOL SvStream::WriteUniOrByteStringLine( const String& rStr, rtl_TextEncoding eDestCharSet )
{
if ( eDestCharSet == RTL_TEXTENCODING_UNICODE )
return WriteUniStringLine( rStr );
else
return WriteByteStringLine( rStr, eDestCharSet );
}
initial import
2000-09-18 16:07:07 +00:00
/*************************************************************************
|*
|* Stream::WriteLines()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 17.07.95
|* Letzte Aenderung OV 17.07.95
|*
*************************************************************************/
BOOL SvStream::WriteByteStringLines( const String& rStr, rtl_TextEncoding eDestCharSet )
{
return WriteLines( ByteString( rStr, eDestCharSet ) );
}
BOOL SvStream::WriteLines( const ByteString& rStr )
{
ByteString aStr( rStr );
aStr.ConvertLineEnd( eLineDelimiter );
Write( aStr.GetBuffer(), aStr.Len() );
endl( *this );
return (BOOL)(nError == SVSTREAM_OK);
}
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
BOOL SvStream::WriteUniStringLines( const String& rStr )
{
String aStr( rStr );
aStr.ConvertLineEnd( eLineDelimiter );
WriteUniStringLine( aStr );
return nError == SVSTREAM_OK;
}
BOOL SvStream::WriteUniOrByteStringLines( const String& rStr, rtl_TextEncoding eDestCharSet )
{
if ( eDestCharSet == RTL_TEXTENCODING_UNICODE )
return WriteUniStringLines( rStr );
else
return WriteByteStringLines( rStr, eDestCharSet );
}
/*************************************************************************
|*
|* Stream::WriteUniOrByteChar()
|*
*************************************************************************/
BOOL SvStream::WriteUniOrByteChar( sal_Unicode ch, rtl_TextEncoding eDestCharSet )
{
if ( eDestCharSet == RTL_TEXTENCODING_UNICODE )
*this << ch;
else
{
ByteString aStr( ch, eDestCharSet );
Write( aStr.GetBuffer(), aStr.Len() );
}
return nError == SVSTREAM_OK;
}
/*************************************************************************
|*
|* Stream::StartWritingUnicodeText()
|*
*************************************************************************/
BOOL SvStream::StartWritingUnicodeText()
{
SetEndianSwap( FALSE ); // write native format
// some convention (whose? MS?)
// upon read: 0xfeff(-257) => no swap; 0xfffe(-2) => swap
*this << UINT16( 0xfeff );
return nError == SVSTREAM_OK;
}
/*************************************************************************
|*
|* Stream::StartReadingUnicodeText()
|*
*************************************************************************/
BOOL SvStream::StartReadingUnicodeText()
{
UINT16 nFlag;
*this >> nFlag;
switch ( nFlag )
{
case 0xfeff :
// native
break;
case 0xfffe :
SetEndianSwap( !bSwap );
break;
default:
SeekRel( -((long)sizeof(nFlag)) ); // no flag, pure data
}
return nError == SVSTREAM_OK;
}
initial import
2000-09-18 16:07:07 +00:00
/*************************************************************************
|*
|* Stream::SeekRel()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
ULONG SvStream::SeekRel( long nPos )
{
ULONG nActualPos = Tell();
nActualPos += nPos;
pBufPos = pRWBuf + nActualPos;
return Seek( nActualPos );
}
/*************************************************************************
|*
|* Stream::operator>>()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
SvStream& SvStream::operator >> ( USHORT& r )
{
READNUMBER_WITHOUT_SWAP(USHORT,r)
if( bSwap )
SwapUShort(r);
return *this;
}
SvStream& SvStream::operator>> ( ULONG& r)
{
#if(__SIZEOFLONG != 4)
unsigned int tmp = r;
READNUMBER_WITHOUT_SWAP(ULONG,tmp)
r = tmp;
if( bSwap )
SwapULong(r);
#else
READNUMBER_WITHOUT_SWAP(ULONG,r)
if( bSwap )
SwapULong(r);
#endif
return *this;
}
SvStream& SvStream::operator >> ( long& r )
{
#if(__SIZEOFLONG != 4)
unsigned int tmp = r;
READNUMBER_WITHOUT_SWAP(long,tmp)
r = tmp;
if( bSwap )
SwapLong(r);
#else
READNUMBER_WITHOUT_SWAP(long,r)
if( bSwap )
SwapLong(r);
#endif
return *this;
}
SvStream& SvStream::operator >> ( short& r)
{
READNUMBER_WITHOUT_SWAP(short,r)
if( bSwap )
SwapShort(r);
return *this;
}
SvStream& SvStream::operator >> ( int& r)
{
READNUMBER_WITHOUT_SWAP(int,r)
if( bSwap )
{
#if(__SIZEOFINT == 2)
SwapInt(r);
#else
SwapLongInt(r);
#endif
}
return *this;
}
SvStream& SvStream::operator>>( unsigned int& r)
{
READNUMBER_WITHOUT_SWAP(unsigned int,r)
if( bSwap )
{
#if(__SIZEOFINT == 2)
SwapUInt(r);
#else
SwapLongUInt(r);
#endif
}
return *this;
}
SvStream& SvStream::operator>>( signed char& r)
{
if( (eIOMode == STREAM_IO_READ || !bIsConsistent) &&
sizeof(signed char) <= nBufFree )
{
r = *pBufPos;
nBufActualPos += sizeof(signed char);
pBufPos += sizeof(signed char);
nBufFree -= sizeof(signed char);
}
else
Read( (char*)&r, sizeof(signed char) );
return *this;
}
// Sonderbehandlung fuer Chars wegen PutBack
SvStream& SvStream::operator>>( char& r)
{
if( (eIOMode == STREAM_IO_READ || !bIsConsistent) &&
sizeof(char) <= nBufFree )
{
r = *pBufPos;
nBufActualPos += sizeof(char);
pBufPos += sizeof(char);
nBufFree -= sizeof(char);
}
else
Read( (char*)&r, sizeof(char) );
return *this;
}
SvStream& SvStream::operator>>( unsigned char& r)
{
if( (eIOMode == STREAM_IO_READ || !bIsConsistent) &&
sizeof(char) <= nBufFree )
{
r = *pBufPos;
nBufActualPos += sizeof(char);
pBufPos += sizeof(char);
nBufFree -= sizeof(char);
}
else
Read( (char*)&r, sizeof(char) );
return *this;
}
SvStream& SvStream::operator>>( float& r)
{
// Read( (char*)&r, sizeof(float) );
READNUMBER_WITHOUT_SWAP(float,r)
#ifdef UNX
if( bSwap )
SwapFloat(r);
#endif
return *this;
}
SvStream& SvStream::operator>>( double& r)
{
// Read( (char*)&r, sizeof(double) );
READNUMBER_WITHOUT_SWAP(double,r)
#if defined( UNX ) || defined ( MAC )
if( bSwap )
SwapDouble(r);
#endif
return *this;
}
SvStream& SvStream::operator>> ( SvStream& rStream )
{
const ULONG cBufLen = 0x8000;
char* pBuf = new char[ cBufLen ];
ULONG nCount;
do {
nCount = Read( pBuf, cBufLen );
rStream.Write( pBuf, nCount );
} while( nCount == cBufLen );
delete pBuf;
return *this;
}
/*************************************************************************
|*
|* Stream::operator<<()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
SvStream& SvStream::operator<< ( USHORT v )
{
if( bSwap )
SwapUShort(v);
WRITENUMBER_WITHOUT_SWAP(USHORT,v)
return *this;
}
SvStream& SvStream::operator<< ( ULONG v)
{
#if(__SIZEOFLONG != 4)
unsigned int tmp = v;
if( bSwap )
SwapUInt(tmp);
WRITENUMBER_WITHOUT_SWAP(unsigned int,tmp)
#else
if( bSwap )
SwapULong(v);
WRITENUMBER_WITHOUT_SWAP(ULONG,v)
#endif
return *this;
}
SvStream& SvStream::operator<< ( long v )
{
#if(__SIZEOFLONG != 4)
int tmp = v;
if( bSwap )
SwapInt(tmp);
WRITENUMBER_WITHOUT_SWAP(int,tmp)
#else
if( bSwap )
SwapLong(v);
WRITENUMBER_WITHOUT_SWAP(long,v)
#endif
return *this;
}
SvStream& SvStream::operator<< ( short v)
{
if( bSwap )
SwapShort(v);
WRITENUMBER_WITHOUT_SWAP(short,v)
return *this;
}
SvStream& SvStream::operator<<( int v)
{
if( bSwap )
{
#if( __SIZEOFINT == 2 )
SwapInt( v );
#else
SwapLongInt( v );
#endif
}
WRITENUMBER_WITHOUT_SWAP(int,v)
return *this;
}
SvStream& SvStream::operator<< ( signed char v)
{
//SDO
int tmp = eIOMode;
if(tmp == STREAM_IO_WRITE && sizeof(signed char) <= nBufFree )
{
*pBufPos = v;
pBufPos++; // sizeof(char);
nBufActualPos++;
if( nBufActualPos > nBufActualLen ) // Append ?
nBufActualLen = nBufActualPos;
nBufFree--; // = sizeof(char);
bIsDirty = TRUE;
}
else
Write( (char*)&v, sizeof(signed char) );
return *this;
}
SvStream& SvStream::operator<< ( unsigned int v)
{
if( bSwap )
{
#if( __SIZEOFINT == 2 )
SwapUInt( v );
#else
SwapLongUInt( v );
#endif
}
WRITENUMBER_WITHOUT_SWAP(int,v)
return *this;
}
// Sonderbehandlung fuer chars wegen PutBack
SvStream& SvStream::operator<< ( char v)
{
//SDO
int tmp = eIOMode;
if(tmp == STREAM_IO_WRITE && sizeof(char) <= nBufFree )
{
*pBufPos = v;
pBufPos++; // sizeof(char);
nBufActualPos++;
if( nBufActualPos > nBufActualLen ) // Append ?
nBufActualLen = nBufActualPos;
nBufFree--; // = sizeof(char);
bIsDirty = TRUE;
}
else
Write( (char*)&v, sizeof(char) );
return *this;
}
SvStream& SvStream::operator<< ( unsigned char v)
{
//SDO
int tmp = eIOMode;
if(tmp == STREAM_IO_WRITE && sizeof(char) <= nBufFree )
{
*(unsigned char*)pBufPos = v;
pBufPos++; // = sizeof(char);
nBufActualPos++; // = sizeof(char);
if( nBufActualPos > nBufActualLen ) // Append ?
nBufActualLen = nBufActualPos;
nBufFree--;
bIsDirty = TRUE;
}
else
Write( (char*)&v, sizeof(char) );
return *this;
}
SvStream& SvStream::operator<< ( float v)
{
#ifdef UNX
if( bSwap )
SwapFloat(v);
#endif
WRITENUMBER_WITHOUT_SWAP(float,v)
return *this;
}
SvStream& SvStream::operator<< ( const double& r)
{
// Write( (char*)&r, sizeof( double ) );
#if defined( UNX ) || defined ( MAC )
if( bSwap )
{
double nHelp = r;
SwapDouble(nHelp);
WRITENUMBER_WITHOUT_SWAP(double,nHelp)
return *this;
}
else
#endif
WRITENUMBER_WITHOUT_SWAP(double,r)
return *this;
}
SvStream& SvStream::operator<< ( const char* pBuf )
{
Write( pBuf, strlen( pBuf ) );
return *this;
}
SvStream& SvStream::operator<< ( const unsigned char* pBuf )
{
Write( (char*)pBuf, strlen( (char*)pBuf ) );
return *this;
}
SvStream& SvStream::operator<< ( SvStream& rStream)
{
const ULONG cBufLen = 0x8000;
char* pBuf = new char[ cBufLen ];
ULONG nCount;
do {
nCount = rStream.Read( pBuf, cBufLen );
Write( pBuf, nCount );
} while( nCount == cBufLen );
delete pBuf;
return *this;
}
// -----------------------------------------------------------------------
SvStream& SvStream::ReadByteString( UniString& rStr, rtl_TextEncoding eSrcCharSet )
{
// read UTF-16 string directly from stream ?
if (eSrcCharSet == RTL_TEXTENCODING_UNICODE)
{
sal_uInt32 nLen;
operator>> (nLen);
if (nLen)
{
sal_Unicode *pStr = rStr.AllocBuffer(nLen);
Read( pStr, nLen << 1 );
if (bSwap)
for (sal_Unicode *pEnd = pStr + nLen; pStr < pEnd; pStr++)
SwapUShort(*pStr);
}
else
rStr.Erase();
return *this;
}
ByteString aStr;
ReadByteString( aStr );
rStr = UniString( aStr, eSrcCharSet );
return *this;
}
// -----------------------------------------------------------------------
SvStream& SvStream::ReadByteString( ByteString& rStr )
{
USHORT nLen = 0;
operator>>( nLen );
if( nLen )
{
char* pTmp = rStr.AllocBuffer( nLen );
nLen = (USHORT)Read( pTmp, nLen );
}
else
rStr.Erase();
return *this;
}
// -----------------------------------------------------------------------
SvStream& SvStream::WriteByteString( const UniString& rStr, rtl_TextEncoding eDestCharSet )
{
// write UTF-16 string directly into stream ?
if (eDestCharSet == RTL_TEXTENCODING_UNICODE)
{
sal_uInt32 nLen = rStr.Len();
operator<< (nLen);
if (nLen)
{
if (bSwap)
{
const sal_Unicode *pStr = rStr.GetBuffer();
const sal_Unicode *pEnd = pStr + nLen;
for (; pStr < pEnd; pStr++)
{
sal_Unicode c = *pStr;
SwapUShort(c);
WRITENUMBER_WITHOUT_SWAP(USHORT,c)
}
}
else
Write( rStr.GetBuffer(), nLen << 1 );
}
return *this;
}
return WriteByteString(ByteString( rStr, eDestCharSet ));
}
// -----------------------------------------------------------------------
SvStream& SvStream::WriteByteString( const ByteString& rStr)
{
USHORT nLen = rStr.Len();
operator<< ( nLen );
if( nLen != 0 )
Write( rStr.GetBuffer(), nLen );
return *this;
}
/*************************************************************************
|*
|* Stream::Read()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
ULONG SvStream::Read( void* pData, ULONG nCount )
{
ULONG nSaveCount = nCount;
if( !bIsConsistent )
RefreshBuffer();
if( !pRWBuf )
{
nCount = GetData( (char*)pData,nCount);
if( nCryptMask )
EncryptBuffer(pData, nCount);
nBufFilePos += nCount;
}
else
{
// ist Block komplett im Puffer
eIOMode = STREAM_IO_READ;
if( nCount <= (ULONG)(nBufActualLen - nBufActualPos ) )
{
// Ja!
memcpy(pData, pBufPos, (size_t) nCount);
nBufActualPos += (USHORT)nCount;
pBufPos += nCount;
nBufFree -= (USHORT)nCount;
}
else
{
if( bIsDirty ) // Flushen ?
{
SeekPos( nBufFilePos );
if( nCryptMask )
CryptAndWriteBuffer(pRWBuf, nBufActualLen);
else
PutData( pRWBuf, nBufActualLen );
bIsDirty = FALSE;
}
// passt der Datenblock in den Puffer ?
if( nCount > nBufSize )
{
// Nein! Deshalb ohne Umweg ueber den Puffer direkt
// in den Zielbereich einlesen
eIOMode = STREAM_IO_DONTKNOW;
SeekPos( nBufFilePos + nBufActualPos );
nBufActualLen = 0;
pBufPos = pRWBuf;
nCount = GetData( (char*)pData, nCount );
if( nCryptMask )
EncryptBuffer(pData, nCount);
nBufFilePos += nCount;
nBufFilePos += nBufActualPos;
nBufActualPos = 0;
}
else
{
// Der Datenblock passt komplett in den Puffer. Deshalb
// Puffer fuellen und dann die angeforderten Daten in den
// Zielbereich kopieren.
nBufFilePos += nBufActualPos;
SeekPos( nBufFilePos );
// TODO: Typecast vor GetData, USHORT nCountTmp
ULONG nCountTmp = GetData( pRWBuf, nBufSize );
if( nCryptMask )
EncryptBuffer(pRWBuf, nCountTmp);
nBufActualLen = (USHORT)nCountTmp;
if( nCount > nCountTmp )
{
nCount = nCountTmp; // zurueckstutzen, Eof siehe unten
}
memcpy( pData, pRWBuf, (size_t)nCount );
nBufActualPos = (USHORT)nCount;
pBufPos = pRWBuf + nCount;
}
}
}
bIsEof = FALSE;
nBufFree = nBufActualLen - nBufActualPos;
if( nCount != nSaveCount && nError != ERRCODE_IO_PENDING )
bIsEof = TRUE;
if( nCount == nSaveCount && nError == ERRCODE_IO_PENDING )
nError = ERRCODE_NONE;
return nCount;
}
/*************************************************************************
|*
|* Stream::Write()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
ULONG SvStream::Write( const void* pData, ULONG nCount )
{
if( !nCount )
return 0;
if( !bIsWritable )
{
SetError( ERRCODE_IO_CANTWRITE );
return 0;
}
if( !bIsConsistent )
RefreshBuffer(); // Aenderungen des Puffers durch PutBack loeschen
if( !pRWBuf )
{
if( nCryptMask )
nCount = CryptAndWriteBuffer( pData, nCount );
else
nCount = PutData( (char*)pData, nCount );
nBufFilePos += nCount;
return nCount;
}
eIOMode = STREAM_IO_WRITE;
if( nCount <= (ULONG)(nBufSize - nBufActualPos) )
{
memcpy( pBufPos, pData, (size_t)nCount );
nBufActualPos += (USHORT)nCount;
// wurde der Puffer erweitert ?
if( nBufActualPos > nBufActualLen )
nBufActualLen = nBufActualPos;
pBufPos += nCount;
bIsDirty = TRUE;
}
else
{
// Flushen ?
if( bIsDirty )
{
SeekPos( nBufFilePos );
if( nCryptMask )
CryptAndWriteBuffer( pRWBuf, (ULONG)nBufActualLen );
else
PutData( pRWBuf, nBufActualLen );
bIsDirty = FALSE;
}
// passt der Block in den Puffer ?
if( nCount > nBufSize )
{
eIOMode = STREAM_IO_DONTKNOW;
nBufFilePos += nBufActualPos;
nBufActualLen = 0;
nBufActualPos = 0;
pBufPos = pRWBuf;
SeekPos( nBufFilePos );
if( nCryptMask )
nCount = CryptAndWriteBuffer( pData, nCount );
else
nCount = PutData( (char*)pData, nCount );
nBufFilePos += nCount;
}
else
{
// Block in Puffer stellen
memcpy( pRWBuf, pData, (size_t)nCount );
#88541# - Remove W16 code
2001-07-03 13:52:19 +00:00
initial import
2000-09-18 16:07:07 +00:00
// Reihenfolge!
nBufFilePos += nBufActualPos;
nBufActualPos = (USHORT)nCount;
pBufPos = pRWBuf + nCount;
nBufActualLen = (USHORT)nCount;
bIsDirty = TRUE;
}
}
nBufFree = nBufSize - nBufActualPos;
return nCount;
}
/*************************************************************************
|*
|* Stream::Seek()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
ULONG SvStream::Seek( ULONG nFilePos )
{
eIOMode = STREAM_IO_DONTKNOW;
bIsEof = FALSE;
if( !pRWBuf )
{
nBufFilePos = SeekPos( nFilePos );
DBG_ASSERT(Tell()==nBufFilePos,"Out Of Sync!")
return nBufFilePos;
}
// Ist Position im Puffer ?
if( nFilePos >= nBufFilePos && nFilePos <= (nBufFilePos + nBufActualLen))
{
nBufActualPos = (USHORT)(nFilePos - nBufFilePos);
pBufPos = pRWBuf + nBufActualPos;
// nBufFree korrigieren, damit wir nicht von einem
// PutBack (ignoriert den StreamMode) getoetet werden
nBufFree = nBufActualLen - nBufActualPos;
}
else
{
if( bIsDirty && bIsConsistent)
{
SeekPos( nBufFilePos );
if( nCryptMask )
CryptAndWriteBuffer( pRWBuf, nBufActualLen );
else
PutData( pRWBuf, nBufActualLen );
bIsDirty = FALSE;
}
nBufActualLen = 0;
nBufActualPos = 0;
pBufPos = pRWBuf;
nBufFilePos = SeekPos( nFilePos );
}
#ifdef OV_DEBUG
{
ULONG nDebugTemp = nBufFilePos + nBufActualPos;
DBG_ASSERT(Tell()==nDebugTemp,"Sync?")
}
#endif
return nBufFilePos + nBufActualPos;
}
/*************************************************************************
|*
|* Stream::Flush()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::Flush()
{
if( bIsDirty && bIsConsistent )
{
SeekPos( nBufFilePos );
if( nCryptMask )
CryptAndWriteBuffer( pRWBuf, (ULONG)nBufActualLen );
else
if( PutData( pRWBuf, nBufActualLen ) != nBufActualLen )
SetError( SVSTREAM_WRITE_ERROR );
bIsDirty = FALSE;
}
if( bIsWritable )
FlushData();
}
/*************************************************************************
|*
|* Stream::PutBack()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 01.08.94
|* Letzte Aenderung OV 01.08.94
|*
*************************************************************************/
/*
4 Faelle :
1. Datenzeiger steht mitten im Puffer (nBufActualPos >= 1)
2. Datenzeiger auf Position 0, Puffer ist voll
3. Datenzeiger auf Position 0, Puffer ist teilweise gefuellt
4. Datenzeiger auf Position 0, Puffer ist leer -> Fehler!
*/
SvStream& SvStream::PutBack( char aCh )
{
// wenn kein Buffer oder Zurueckscrollen nicht moeglich -> Fehler
if( !pRWBuf || !nBufActualLen || ( !nBufActualPos && !nBufFilePos ) )
{
// 4. Fall
SetError( SVSTREAM_GENERALERROR );
return *this;
}
// Flush() (Phys. Flushen aber nicht notwendig, deshalb selbst schreiben)
if( bIsConsistent && bIsDirty )
{
SeekPos( nBufFilePos );
if( nCryptMask )
CryptAndWriteBuffer( pRWBuf, nBufActualLen );
else
PutData( pRWBuf, nBufActualLen );
bIsDirty = FALSE;
}
bIsConsistent = FALSE; // Puffer enthaelt jetzt TRASH
if( nBufActualPos )
{
// 1. Fall
nBufActualPos--;
pBufPos--;
*pBufPos = aCh;
nBufFree++;
}
else // Puffer muss verschoben werden
{
// Ist Puffer am Anschlag ?
if( nBufSize == nBufActualLen )
{
// 2. Fall
memmove( pRWBuf+1, pRWBuf, nBufSize-1 );
// nBufFree behaelt den Wert!
}
else
{
// 3. Fall -> Puffer vergroessern
memmove( pRWBuf+1, pRWBuf, (USHORT)nBufActualLen );
nBufActualLen++;
nBufFree++;
}
nBufFilePos--;
*pRWBuf = aCh;
}
eIOMode = STREAM_IO_DONTKNOW;
bIsEof = FALSE;
return *this;
}
/*************************************************************************
|*
|* Stream::EatWhite()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 01.08.94
|* Letzte Aenderung OV 01.08.94
|*
*************************************************************************/
void SvStream::EatWhite()
{
char aCh;
Read(&aCh, sizeof(char) );
while( !bIsEof && isspace((int)aCh) ) //( aCh == ' ' || aCh == '\t' ) )
Read(&aCh, sizeof(char) );
if( !bIsEof ) // konnte das letzte Char gelesen werden ?
SeekRel( -1L );
}
/*************************************************************************
|*
|* Stream::RefreshBuffer()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 01.08.94
|* Letzte Aenderung OV 01.08.94
|*
*************************************************************************/
void SvStream::RefreshBuffer()
{
if( bIsDirty && bIsConsistent )
{
SeekPos( nBufFilePos );
if( nCryptMask )
CryptAndWriteBuffer( pRWBuf, (ULONG)nBufActualLen );
else
PutData( pRWBuf, nBufActualLen );
bIsDirty = FALSE;
}
SeekPos( nBufFilePos );
nBufActualLen = (USHORT)GetData( pRWBuf, nBufSize );
if( nBufActualLen && nError == ERRCODE_IO_PENDING )
nError = ERRCODE_NONE;
if( nCryptMask )
EncryptBuffer(pRWBuf, (ULONG)nBufActualLen);
bIsConsistent = TRUE;
eIOMode = STREAM_IO_DONTKNOW;
}
/*************************************************************************
|*
|* Stream::CreateFormatString()
|*
|* Beschreibung Baut Formatstring zusammen
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::CreateFormatString()
{
aFormatString = '%';
nPrintfParams = SPECIAL_PARAM_NONE;
if( nJustification )
{
aFormatString += '-';
}
if( nWidth )
{
if( cFiller != ' ' )
aFormatString += '0';
aFormatString += '*';
nPrintfParams = SPECIAL_PARAM_WIDTH;
}
if( nPrecision )
{
aFormatString += ".*";
if( nWidth )
nPrintfParams = SPECIAL_PARAM_BOTH;
else
nPrintfParams = SPECIAL_PARAM_PRECISION;
}
}
/*************************************************************************
|*
|* Stream::ReadNumber()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
#define BUFSIZE_LONG 21 // log( 2 hoch 64 ) + 1
SvStream& SvStream::ReadNumber( long& rLong )
{
EatWhite();
if( bIsEof || nError )
{
SetError( SVSTREAM_GENERALERROR );
return *this;
}
ULONG nFPtr = Tell();
char buf[ BUFSIZE_LONG ];
memset( buf, 0, BUFSIZE_LONG );
ULONG nTemp = Read( buf, BUFSIZE_LONG-1 );
if( !nTemp || nError )
{
SetError( SVSTREAM_GENERALERROR );
return *this;
}
char *pEndPtr;
rLong = strtol( buf, &pEndPtr, (int)nRadix );
nFPtr += ( (ULONG)pEndPtr - (ULONG)(&(buf[0])) );
Seek( nFPtr );
bIsEof = FALSE;
return *this;
}
SvStream& SvStream::ReadNumber( ULONG& rULong )
{
EatWhite();
if( bIsEof || nError )
{
SetError( SVSTREAM_GENERALERROR );
return *this;
}
ULONG nFPtr = Tell();
char buf[ BUFSIZE_LONG ];
memset( buf, 0, BUFSIZE_LONG );
ULONG nTemp = Read( buf, BUFSIZE_LONG-1 );
if( !nTemp || nError )
{
SetError( SVSTREAM_GENERALERROR );
return *this;
}
char *pEndPtr;
rULong = strtoul( buf, &pEndPtr, (int)nRadix );
nFPtr += ( (ULONG)pEndPtr - (ULONG)buf );
Seek( nFPtr );
bIsEof = FALSE;
return *this;
}
SvStream& SvStream::ReadNumber( double& rDouble )
{
EatWhite();
if( bIsEof || nError )
{
SetError( SVSTREAM_GENERALERROR );
return *this;
}
ULONG nFPtr = Tell();
char buf[ BUFSIZE_LONG ];
memset( buf, 0, BUFSIZE_LONG );
ULONG nTemp = Read( buf, BUFSIZE_LONG-1 );
if( !nTemp || nError )
{
SetError( SVSTREAM_GENERALERROR );
return *this;
}
char *pEndPtr;
rDouble = strtod( buf, &pEndPtr );
nFPtr += ( (ULONG)pEndPtr - (ULONG)buf );
Seek( nFPtr );
bIsEof = FALSE;
return *this;
}
/*************************************************************************
|*
|* Stream::WriteNumber()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
SvStream& SvStream::WriteNumber( long nLong )
{
char buffer[256+12];
char pType[] = "ld"; // Nicht static!
if( nRadix == 16 )
pType[1] = 'x';
else if( nRadix == 8 )
pType[1] = 'o';
ByteString aFStr( aFormatString);
aFStr += pType;
int nLen;
switch ( nPrintfParams )
{
case SPECIAL_PARAM_NONE :
nLen = sprintf( buffer, aFStr.GetBuffer(), nLong );
break;
case SPECIAL_PARAM_WIDTH :
nLen = sprintf( buffer, aFStr.GetBuffer(), nWidth, nLong );
break;
case SPECIAL_PARAM_PRECISION :
nLen = sprintf( buffer, aFStr.GetBuffer(), nPrecision,nLong);
break;
default:
nLen=sprintf(buffer, aFStr.GetBuffer(),nWidth,nPrecision,nLong);
}
Write( buffer, (long)nLen );
return *this;
}
SvStream& SvStream::WriteNumber( ULONG nULong )
{
char buffer[256+12];
char pType[] = "lu"; // Nicht static!
if( nRadix == 16 )
pType[1] = 'x';
else if( nRadix == 8 )
pType[1] = 'o';
ByteString aFStr( aFormatString);
aFStr += pType;
int nLen;
switch ( nPrintfParams )
{
case SPECIAL_PARAM_NONE :
nLen = sprintf( buffer, aFStr.GetBuffer(), nULong );
break;
case SPECIAL_PARAM_WIDTH :
nLen = sprintf( buffer, aFStr.GetBuffer(), nWidth, nULong );
break;
case SPECIAL_PARAM_PRECISION :
nLen = sprintf( buffer, aFStr.GetBuffer(), nPrecision,nULong);
break;
default:
nLen=sprintf(buffer,aFStr.GetBuffer(),nWidth,nPrecision,nULong);
}
Write( buffer, (long)nLen );
return *this;
}
SvStream& SvStream::WriteNumber( const double& rDouble )
{
char buffer[256+24];
ByteString aFStr( aFormatString);
aFStr += "lf";
int nLen;
switch ( nPrintfParams )
{
case SPECIAL_PARAM_NONE :
nLen = sprintf( buffer, aFStr.GetBuffer(), rDouble );
break;
case SPECIAL_PARAM_WIDTH :
nLen = sprintf( buffer, aFStr.GetBuffer(), nWidth, rDouble );
break;
case SPECIAL_PARAM_PRECISION :
nLen = sprintf( buffer, aFStr.GetBuffer(), nPrecision, rDouble);
break;
default:
nLen=sprintf(buffer, aFStr.GetBuffer(),nWidth,nPrecision,rDouble);
}
Write( buffer, (long)nLen );
return *this;
}
/*************************************************************************
|*
|* Stream::CryptAndWriteBuffer()
|*
|* Beschreibung Verschluesseln und Schreiben
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
#define CRYPT_BUFSIZE 1024
ULONG SvStream::CryptAndWriteBuffer( const void* pStart, ULONG nLen)
{
unsigned char* pTemp = new unsigned char[CRYPT_BUFSIZE];
unsigned char* pDataPtr = (unsigned char*)pStart;
ULONG nCount = 0;
ULONG nBufCount;
unsigned char nMask = nCryptMask;
do
{
if( nLen >= CRYPT_BUFSIZE )
nBufCount = CRYPT_BUFSIZE;
else
nBufCount = nLen;
nLen -= nBufCount;
memcpy( pTemp, pDataPtr, (USHORT)nBufCount );
// **** Verschluesseln *****
for ( USHORT n=0; n < CRYPT_BUFSIZE; n++ )
{
unsigned char aCh = pTemp[n];
aCh ^= nMask;
SWAPNIBBLES(aCh)
pTemp[n] = aCh;
}
// *************************
nCount += PutData( (char*)pTemp, nBufCount );
pDataPtr += nBufCount;
}
while ( nLen );
delete pTemp;
return nCount;
}
/*************************************************************************
|*
|* Stream::EncryptBuffer()
|*
|* Beschreibung Buffer entschluesseln
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
BOOL SvStream::EncryptBuffer(void* pStart, ULONG nLen)
{
unsigned char* pTemp = (unsigned char*)pStart;
unsigned char nMask = nCryptMask;
for ( ULONG n=0; n < nLen; n++, pTemp++ )
{
unsigned char aCh = *pTemp;
SWAPNIBBLES(aCh)
aCh ^= nMask;
*pTemp = aCh;
}
return TRUE;
}
/*************************************************************************
|*
|* Stream::SetKey()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
unsigned char implGetCryptMask(const sal_Char* pStr, sal_Int32 nLen, long nVersion)
{
unsigned char nCryptMask = 0;
if (!nLen)
return nCryptMask;
if( nVersion <= SOFFICE_FILEFORMAT_31 )
{
while( nLen )
{
nCryptMask ^= *pStr;
pStr++;
nLen--;
}
}
else // BugFix #25888#
{
for( USHORT i = 0; i < nLen; i++ ) {
nCryptMask ^= pStr[i];
if( nCryptMask & 0x80 ) {
nCryptMask <<= 1;
nCryptMask++;
}
else
nCryptMask <<= 1;
}
}
if( !nCryptMask )
nCryptMask = 67;
return nCryptMask;
}
void SvStream::SetKey( const ByteString& rKey )
{
aKey = rKey;
nCryptMask = implGetCryptMask( aKey.GetBuffer(), aKey.Len(), GetVersion() );
}
/*************************************************************************
|*
|* Stream::SyncSvStream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::SyncSvStream( ULONG nNewStreamPos )
{
ClearBuffer();
SvStream::nBufFilePos = nNewStreamPos;
}
/*************************************************************************
|*
|* Stream::SyncSysStream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
void SvStream::SyncSysStream()
{
Flush();
SeekPos( Tell() );
}
/*************************************************************************
|*
|* Stream::SetStreamSize()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
BOOL SvStream::SetStreamSize( ULONG nSize )
{
#ifdef DBG_UTIL
ULONG nFPos = Tell();
#endif
USHORT nBuf = nBufSize;
SetBufferSize( 0 );
SetSize( nSize );
SetBufferSize( nBuf );
DBG_ASSERT(Tell()==nFPos,"SetStreamSize failed")
return (BOOL)(nError == 0);
}
//============================================================================
void SvStream::AddMark( ULONG nPos )
{
}
//============================================================================
void SvStream::RemoveMark( ULONG nPos )
{
}
/*************************************************************************
|*
|* endl()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung TH 13.11.96
|*
*************************************************************************/
SvStream& endl( SvStream& rStr )
{
LineEnd eDelim = rStr.GetLineDelimiter();
if ( eDelim == LINEEND_CR )
rStr << _CR;
else if( eDelim == LINEEND_LF )
rStr << _LF;
else
rStr << _CR << _LF;
return rStr;
}
new: read/write Unicode or Bytecode
2000-12-22 00:19:05 +00:00
SvStream& endlu( SvStream& rStrm )
{
switch ( rStrm.GetLineDelimiter() )
{
case LINEEND_CR :
rStrm << sal_Unicode(_CR);
break;
case LINEEND_LF :
rStrm << sal_Unicode(_LF);
break;
default:
rStrm << sal_Unicode(_CR) << sal_Unicode(_LF);
}
return rStrm;
}
SvStream& endlub( SvStream& rStrm )
{
if ( rStrm.GetStreamCharSet() == RTL_TEXTENCODING_UNICODE )
return endlu( rStrm );
else
return endl( rStrm );
}
initial import
2000-09-18 16:07:07 +00:00
/*************************************************************************
|*
|* SvMemoryStream::SvMemoryStream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
SvMemoryStream::SvMemoryStream( void* pBuffer, ULONG nBufSize,
StreamMode eMode )
{
if( eMode & STREAM_WRITE )
bIsWritable = TRUE;
else
bIsWritable = FALSE;
nEndOfData = nBufSize;
bOwnsData = FALSE;
pBuf = (BYTE *) pBuffer;
nResize = 0L;
nSize = nBufSize;
nPos = 0L;
SetBufferSize( 0 );
}
/*************************************************************************
|*
|* SvMemoryStream::SvMemoryStream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
SvMemoryStream::SvMemoryStream( ULONG nInitSize, ULONG nResizeOffset )
{
bIsWritable = TRUE;
bOwnsData = TRUE;
nEndOfData = 0L;
nResize = nResizeOffset;
nPos = 0;
pBuf = 0;
if( nResize != 0 && nResize < 16 )
nResize = 16;
if( nInitSize && !AllocateMemory( nInitSize ) )
{
SetError( SVSTREAM_OUTOFMEMORY );
nSize = 0;
}
else
nSize = nInitSize;
SetBufferSize( 64 );
}
/*************************************************************************
|*
|* SvMemoryStream::~SvMemoryStream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
SvMemoryStream::~SvMemoryStream()
{
if( pBuf )
{
if( bOwnsData )
FreeMemory();
else
Flush();
}
}
/*************************************************************************
|*
|* SvMemoryStream::IsA()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
USHORT SvMemoryStream::IsA() const
{
return (USHORT)ID_MEMORYSTREAM;
}
/*************************************************************************
|*
|* SvMemoryStream::SetBuffer()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
void* SvMemoryStream::SetBuffer( void* pNewBuf, ULONG nCount,
BOOL bOwnsDat, ULONG nEOF )
{
void* pResult;
SetBufferSize( 0 ); // Buffering in der Basisklasse initialisieren
Seek( 0 );
if( bOwnsData )
{
pResult = 0;
if( pNewBuf != pBuf )
FreeMemory();
}
else
pResult = pBuf;
pBuf = (BYTE *) pNewBuf;
nPos = 0;
nSize = nCount;
nResize = 0;
bOwnsData = bOwnsDat;
if( nEOF > nCount )
nEOF = nCount;
nEndOfData = nEOF;
ResetError();
DBG_ASSERT( nEndOfData<STREAM_SEEK_TO_END,"Invalid EOF");
return pResult;
}
/*************************************************************************
|*
|* SvMemoryStream::GetData()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
ULONG SvMemoryStream::GetData( void* pData, ULONG nCount )
{
ULONG nMaxCount = nEndOfData-nPos;
if( nCount > nMaxCount )
nCount = nMaxCount;
memcpy( pData, pBuf+nPos, (size_t)nCount );
nPos += nCount;
return nCount;
}
/*************************************************************************
|*
|* SvMemoryStream::PutData()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
ULONG SvMemoryStream::PutData( const void* pData, ULONG nCount )
{
if( GetError() )
return 0L;
ULONG nMaxCount = nSize-nPos;
// auf Ueberlauf testen
if( nCount > nMaxCount )
{
if( nResize == 0 )
{
// soviel wie moeglich rueberschaufeln
nCount = nMaxCount;
SetError( SVSTREAM_OUTOFMEMORY );
}
else
{
long nNewResize;
if( nSize && nSize > nResize )
nNewResize = nSize;
else
nNewResize = nResize;
if( (nCount-nMaxCount) < nResize )
{
// fehlender Speicher ist kleiner als Resize-Offset,
// deshalb um Resize-Offset vergroessern
if( !ReAllocateMemory( nNewResize) )
{
nCount = 0;
SetError( SVSTREAM_WRITE_ERROR );
}
}
else
{
// fehlender Speicher ist groesser als Resize-Offset
// deshalb um Differenz+ResizeOffset vergroessern
if( !ReAllocateMemory( nCount-nMaxCount+nNewResize ) )
{
nCount = 0;
SetError( SVSTREAM_WRITE_ERROR );
}
}
}
}
DBG_ASSERT(pBuf,"Possibly Reallocate failed");
memcpy( pBuf+nPos, pData, (size_t)nCount);
nPos += nCount;
if( nPos > nEndOfData )
nEndOfData = nPos;
return nCount;
}
/*************************************************************************
|*
|* SvMemoryStream::SeekPos()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
// nEndOfData: Erste Position im Stream, die nicht gelesen werden darf
// nSize: Groesse des allozierten Speichers
ULONG SvMemoryStream::SeekPos( ULONG nNewPos )
{
if( nNewPos < nEndOfData )
nPos = nNewPos;
else if( nNewPos == STREAM_SEEK_TO_END )
nPos = nEndOfData;
else
{
if( nNewPos >= nSize ) // muss Buffer vergroessert werden ?
{
if( nResize ) // ist vergroeseern erlaubt ?
{
long nDiff = (long)(nNewPos - nSize + 1);
nDiff += (long)nResize;
ReAllocateMemory( nDiff );
nPos = nNewPos;
nEndOfData = nNewPos;
}
else // vergroessern ist nicht erlaubt -> ans Ende setzen
{
// SetError( SVSTREAM_OUTOFMEMORY );
nPos = nEndOfData;
}
}
else // gueltigen Bereich innerhalb des Buffers vergroessern
{
nPos = nNewPos;
nEndOfData = nNewPos;
}
}
return nPos;
}
/*************************************************************************
|*
|* SvMemoryStream::FlushData()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
void SvMemoryStream::FlushData()
{
}
/*************************************************************************
|*
|* SvMemoryStream::ResetError()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
void SvMemoryStream::ResetError()
{
SvStream::ClearError();
}
/*************************************************************************
|*
|* SvMemoryStream::AllocateMemory()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
BOOL SvMemoryStream::AllocateMemory( ULONG nNewSize )
{
pBuf = (BYTE*)SvMemAlloc( nNewSize, MEM_NOCALLNEWHDL );
return( pBuf != 0 );
}
/*************************************************************************
|*
|* SvMemoryStream::ReAllocateMemory() (Bozo-Algorithmus)
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 20.06.94
|* Letzte Aenderung OV 20.06.94
|*
*************************************************************************/
BOOL SvMemoryStream::ReAllocateMemory( long nDiff )
{
BOOL bRetVal = FALSE;
long nTemp = (long)nSize;
nTemp += nDiff;
ULONG nNewSize = (ULONG)nTemp;
if( nNewSize )
{
BYTE* pNewBuf = (BYTE *) SvMemAlloc( nNewSize,MEM_NOCALLNEWHDL );
if( pNewBuf )
{
bRetVal = TRUE; // Success!
if( nNewSize < nSize ) // Verkleinern ?
{
memcpy( pNewBuf, pBuf, (size_t)nNewSize );
if( nPos > nNewSize )
nPos = 0L;
if( nEndOfData >= nNewSize )
nEndOfData = nNewSize-1L;
}
else
{
memcpy( pNewBuf, pBuf, (size_t)nSize );
}
FreeMemory();
pBuf = pNewBuf;
nSize = nNewSize;
}
}
else
{
bRetVal = TRUE;
pBuf = 0;
nSize = 0;
nEndOfData = 0;
nPos = 0;
}
return bRetVal;
}
void SvMemoryStream::FreeMemory()
{
SvMemFree( pBuf );
}
/*************************************************************************
|*
|* SvMemoryStream::SwitchBuffer()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 26.07.94
|* Letzte Aenderung OV 26.07.94
|*
*************************************************************************/
void* SvMemoryStream::SwitchBuffer( ULONG nInitSize, ULONG nResizeOffset)
{
Flush();
if( !bOwnsData )
return 0;
Seek( STREAM_SEEK_TO_BEGIN );
void* pRetVal = pBuf;
pBuf = 0;
nEndOfData = 0L;
nResize = nResizeOffset;
nPos = 0;
if( nResize != 0 && nResize < 16 )
nResize = 16;
ResetError();
if( nInitSize && !AllocateMemory(nInitSize) )
{
SetError( SVSTREAM_OUTOFMEMORY );
nSize = 0;
}
else
nSize = nInitSize;
SetBufferSize( 64 );
return pRetVal;
}
void SvMemoryStream::SetSize( ULONG nNewSize )
{
long nDiff = (long)nNewSize - (long)nSize;
ReAllocateMemory( nDiff );
}
// *********************************************************************
// Mac implementierung (mit Handles) in StrmMac.cxx
// *********************************************************************
#ifndef MAC
/*************************************************************************
|*
|* SvSharedMemoryStream::SvSharedMemoryStream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung CL 05.05.95
|* Letzte Aenderung CL 05.05.95
|*
*************************************************************************/
SvSharedMemoryStream::SvSharedMemoryStream( void* pBuffer,ULONG nBufSize,
StreamMode eMode ) :
SvMemoryStream( (char*)pBuffer, nBufSize, eMode )
{
aHandle = 0;
}
/*************************************************************************
|*
|* SvSharedMemoryStream::SvSharedMemoryStream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung CL 05.05.95
|* Letzte Aenderung CL 05.05.95
|*
*************************************************************************/
SvSharedMemoryStream::SvSharedMemoryStream( ULONG nInitSize,
ULONG nResizeOffset) :
SvMemoryStream( (void*)NULL )
{
if( !nInitSize )
nInitSize = 1024;
aHandle = 0;
bIsWritable = TRUE;
bOwnsData = TRUE;
nEndOfData = 0L;
nResize = nResizeOffset;
nPos = 0;
pBuf = 0;
if( nResize != 0 && nResize < 16 )
nResize = 16;
if( nInitSize && !AllocateMemory( nInitSize ) )
{
SetError( SVSTREAM_OUTOFMEMORY );
nSize = 0;
}
else
nSize = nInitSize;
SetBufferSize( 64 );
}
/*************************************************************************
|*
|* SvSharedMemoryStream::~SvSharedMemoryStream()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung CL 05.05.95
|* Letzte Aenderung CL 05.05.95
|*
*************************************************************************/
SvSharedMemoryStream::~SvSharedMemoryStream()
{
if( bOwnsData )
{
FreeMemory();
pBuf = 0; // damit der Dtor von SvMemoryStream nicht mehr zuschlaegt
}
else
Flush();
}
/*************************************************************************
|*
|* SvSharedMemoryStream::GetData()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
const void* SvSharedMemoryStream::GetData()
{
Flush();
return pBuf;
}
/*************************************************************************
|*
|* SvSharedMemoryStream::operator const char*()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 08.06.94
|* Letzte Aenderung OV 08.06.94
|*
*************************************************************************/
SvSharedMemoryStream::operator const void*()
{
Flush();
return pBuf;
}
/*************************************************************************
|*
|* SvSharedMemoryStream::IsA()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung CL 05.05.95
|* Letzte Aenderung CL 05.05.95
|*
*************************************************************************/
USHORT SvSharedMemoryStream::IsA() const
{
return (USHORT)ID_SHAREDMEMORYSTREAM;
}
/*************************************************************************
|*
|* SvSharedMemoryStream::SwitchBuffer()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung KH 16.06.95
|* Letzte Aenderung KH 16.06.95
|*
*************************************************************************/
void* SvSharedMemoryStream::SwitchBuffer( ULONG nInitSize, ULONG nResize )
{
return (void*)SvMemoryStream::SwitchBuffer(nInitSize, nResize);
}
/*************************************************************************
|*
|* SvSharedMemoryStream::SetBuffer()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung KH 16.06.95
|* Letzte Aenderung KH 16.06.95
|*
*************************************************************************/
void* SvSharedMemoryStream::SetBuffer( void* pBuf, ULONG nSize, BOOL bOwnsData,
ULONG nEof)
{
return (void*)SvMemoryStream::SetBuffer((char*)pBuf,nSize,bOwnsData,nEof);
}
/*************************************************************************
|*
|* SvSharedMemoryStream::GetData()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung KH 19.06.95
|* Letzte Aenderung KH 19.06.95
|*
*************************************************************************/
ULONG SvSharedMemoryStream::GetData( void* pData, ULONG nCount )
{
return SvMemoryStream::GetData(pData, nCount);
}
/*************************************************************************
|*
|* SvSharedMemoryStream::PutData()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung KH 19.06.95
|* Letzte Aenderung KH 19.06.95
|*
*************************************************************************/
ULONG SvSharedMemoryStream::PutData( const void* pData, ULONG nCount )
{
return SvMemoryStream::PutData(pData, nCount);
}
//
// Speicherverwaltung (Alloc, Free, Realloc, SetHandle)
// Standardimplementation DOS & UNIX
//
#if defined(DOS) || defined(UNX)
/*************************************************************************
|*
|* SvSharedMemoryStream::SetHandle()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung OV 05.10.95
|* Letzte Aenderung OV 05.10.95
|*
*************************************************************************/
void* SvSharedMemoryStream::SetHandle( void* aHandle, ULONG nSize,
BOOL bOwnsData, ULONG nEOF)
{
DBG_ERROR("SvSharedMemoryStream::SetHandle not implemented");
return 0;
}
/*************************************************************************
|*
|* SvSharedMemoryStream::AllocateMemory()
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung CL 05.05.95
|* Letzte Aenderung CL 05.05.95
|*
*************************************************************************/
BOOL SvSharedMemoryStream::AllocateMemory( ULONG nNewSize )
{
pBuf = new BYTE[ nNewSize ];
return( pBuf != 0 );
}
/*************************************************************************
|*
|* SvSharedMemoryStream::ReAllocateMemory() (Bozo-Algorithmus)
|*
|* Beschreibung STREAM.SDW
|* Ersterstellung CL 05.05.95
|* Letzte Aenderung CL 05.05.95
|*
*************************************************************************/
BOOL SvSharedMemoryStream::ReAllocateMemory( long nDiff )
{
BOOL bRetVal = FALSE;
ULONG nNewSize = nSize + nDiff;
if( nNewSize )
{
BYTE* pNewBuf = new BYTE[ nNewSize ];
if( pNewBuf )
{
bRetVal = TRUE; // Success!
if( nNewSize < nSize ) // Verkleinern ?
{
memcpy( pNewBuf, pBuf, (size_t)nNewSize );
if( nPos > nNewSize )
nPos = 0L;
if( nEndOfData >= nNewSize )
nEndOfData = nNewSize-1L;
}
else
memcpy( pNewBuf, pBuf, (size_t)nSize );
FreeMemory();
pBuf = pNewBuf;
nSize = nNewSize;
}
}
else
{
FreeMemory();
bRetVal = TRUE;
pBuf = 0;
nSize = 0;
nPos = 0;
nEndOfData = 0;
}
return bRetVal;
}
void SvSharedMemoryStream::FreeMemory()
{
delete pBuf;
}
#endif
#endif
TYPEINIT0 ( SvDataCopyStream )
// --------------------
// Diese Methoden muessen fuer die Win16-Version implementiert werden,
// da sonst der Compiler Aerger macht. (?)
/*
TypeId SvDataCopyStream::Type() const
{
return 0;
}
BOOL SvDataCopyStream::IsA(TypeId aId) const
{
return FALSE;
}
*/
void SvDataCopyStream::Assign( const SvDataCopyStream& rHack)
{
}
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