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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: stgole.cxx,v $
* $Revision: 1.11 $
*
* 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_sot.hxx"
#include "rtl/string.h"
#include "rtl/string.h"
#include "stgole.hxx"
#include "storinfo.hxx" // Read/WriteClipboardFormat()
#include <tools/debug.hxx>
#if defined(_MSC_VER) && (_MSC_VER>=1400)
#pragma warning(disable: 4342)
#endif
///////////////////////// class StgInternalStream ////////////////////////
StgInternalStream::StgInternalStream
( BaseStorage& rStg, const String& rName, BOOL bWr )
{
bIsWritable = TRUE;
USHORT nMode = bWr
? STREAM_WRITE | STREAM_SHARE_DENYALL
: STREAM_READ | STREAM_SHARE_DENYWRITE | STREAM_NOCREATE;
pStrm = rStg.OpenStream( rName, nMode );
// set the error code right here in the stream
SetError( rStg.GetError() );
SetBufferSize( 1024 );
}
StgInternalStream::~StgInternalStream()
{
delete pStrm;
}
ULONG StgInternalStream::GetData( void* pData, ULONG nSize )
{
if( pStrm )
{
nSize = pStrm->Read( pData, nSize );
SetError( pStrm->GetError() );
return nSize;
}
else
return 0;
}
ULONG StgInternalStream::PutData( const void* pData, ULONG nSize )
{
if( pStrm )
{
nSize = pStrm->Write( pData, nSize );
SetError( pStrm->GetError() );
return nSize;
}
else
return 0;
}
ULONG StgInternalStream::SeekPos( ULONG nPos )
{
return pStrm ? pStrm->Seek( nPos ) : 0;
}
void StgInternalStream::FlushData()
{
if( pStrm )
{
pStrm->Flush();
SetError( pStrm->GetError() );
}
}
void StgInternalStream::Commit()
{
Flush();
pStrm->Commit();
}
///////////////////////// class StgCompObjStream /////////////////////////
StgCompObjStream::StgCompObjStream( BaseStorage& rStg, BOOL bWr )
: StgInternalStream( rStg, String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "\1CompObj" ) ), bWr )
{
memset( &aClsId, 0, sizeof( ClsId ) );
nCbFormat = 0;
}
BOOL StgCompObjStream::Load()
{
memset( &aClsId, 0, sizeof( ClsId ) );
nCbFormat = 0;
aUserName.Erase();
if( GetError() != SVSTREAM_OK )
return FALSE;
Seek( 8L ); // skip the first part
INT32 nMarker = 0;
*this >> nMarker;
if( nMarker == -1L )
{
*this >> aClsId;
INT32 nLen1 = 0;
*this >> nLen1;
// higher bits are ignored
nLen1 &= 0xFFFF;
sal_Char* p = new sal_Char[ (USHORT) nLen1 ];
if( Read( p, nLen1 ) == (ULONG) nLen1 )
{
aUserName = nLen1 ? String( p, gsl_getSystemTextEncoding() ) : String();
/* // Now we can read the CB format
INT32 nLen2 = 0;
*this >> nLen2;
if( nLen2 > 0 )
{
// get a string name
if( nLen2 > nLen1 )
delete p, p = new char[ nLen2 ];
if( Read( p, nLen2 ) == (ULONG) nLen2 && nLen2 )
nCbFormat = Exchange::RegisterFormatName( String( p ) );
else
SetError( SVSTREAM_GENERALERROR );
}
else if( nLen2 == -1L )
// Windows clipboard format
*this >> nCbFormat;
else
// unknown identifier
SetError( SVSTREAM_GENERALERROR );
*/
nCbFormat = ReadClipboardFormat( *this );
}
else
SetError( SVSTREAM_GENERALERROR );
delete [] p;
}
return BOOL( GetError() == SVSTREAM_OK );
}
BOOL StgCompObjStream::Store()
{
if( GetError() != SVSTREAM_OK )
return FALSE;
Seek( 0L );
ByteString aAsciiUserName( aUserName, RTL_TEXTENCODING_ASCII_US );
*this << (INT16) 1 // Version?
<< (INT16) -2 // 0xFFFE = Byte Order Indicator
<< (INT32) 0x0A03 // Windows 3.10
<< (INT32) -1L
<< aClsId // Class ID
<< (INT32) (aAsciiUserName.Len() + 1)
<< (const char *)aAsciiUserName.GetBuffer()
<< (UINT8) 0; // string terminator
/* // determine the clipboard format string
String aCbFmt;
if( nCbFormat > FORMAT_GDIMETAFILE )
aCbFmt = Exchange::GetFormatName( nCbFormat );
if( aCbFmt.Len() )
*this << (INT32) aCbFmt.Len() + 1
<< (const char*) aCbFmt
<< (UINT8) 0;
else if( nCbFormat )
*this << (INT32) -1 // for Windows
<< (INT32) nCbFormat;
else
*this << (INT32) 0; // no clipboard format
*/
WriteClipboardFormat( *this, nCbFormat );
*this << (INT32) 0; // terminator
Commit();
return BOOL( GetError() == SVSTREAM_OK );
}
/////////////////////////// class StgOleStream ///////////////////////////
StgOleStream::StgOleStream( BaseStorage& rStg, BOOL bWr )
: StgInternalStream( rStg, String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "\1Ole" ) ), bWr )
{
nFlags = 0;
}
BOOL StgOleStream::Load()
{
nFlags = 0;
if( GetError() != SVSTREAM_OK )
return FALSE;
INT32 version = 0;
Seek( 0L );
*this >> version >> nFlags;
return BOOL( GetError() == SVSTREAM_OK );
}
BOOL StgOleStream::Store()
{
if( GetError() != SVSTREAM_OK )
return FALSE;
Seek( 0L );
*this << (INT32) 0x02000001 // OLE version, format
<< (INT32) nFlags // Object flags
<< (INT32) 0 // Update Options
<< (INT32) 0 // reserved
<< (INT32) 0; // Moniker 1
Commit();
return BOOL( GetError() == SVSTREAM_OK );
}
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