diff options
Diffstat (limited to 'sot/source/sdstor/stgole.cxx')
| -rw-r--r-- | sot/source/sdstor/stgole.cxx | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/sot/source/sdstor/stgole.cxx b/sot/source/sdstor/stgole.cxx new file mode 100644 index 000000000000..8ae6af18f7b7 --- /dev/null +++ b/sot/source/sdstor/stgole.cxx @@ -0,0 +1,204 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * 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 "sot/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, sal_Bool bWr ) +{ + bIsWritable = sal_True; + sal_uInt16 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; +} + +sal_uLong StgInternalStream::GetData( void* pData, sal_uLong nSize ) +{ + if( pStrm ) + { + nSize = pStrm->Read( pData, nSize ); + SetError( pStrm->GetError() ); + return nSize; + } + else + return 0; +} + +sal_uLong StgInternalStream::PutData( const void* pData, sal_uLong nSize ) +{ + if( pStrm ) + { + nSize = pStrm->Write( pData, nSize ); + SetError( pStrm->GetError() ); + return nSize; + } + else + return 0; +} + +sal_uLong StgInternalStream::SeekPos( sal_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, sal_Bool bWr ) + : StgInternalStream( rStg, String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "\1CompObj" ) ), bWr ) +{ + memset( &aClsId, 0, sizeof( ClsId ) ); + nCbFormat = 0; +} + +sal_Bool StgCompObjStream::Load() +{ + memset( &aClsId, 0, sizeof( ClsId ) ); + nCbFormat = 0; + aUserName.Erase(); + if( GetError() != SVSTREAM_OK ) + return sal_False; + Seek( 8L ); // skip the first part + sal_Int32 nMarker = 0; + *this >> nMarker; + if( nMarker == -1L ) + { + *this >> aClsId; + sal_Int32 nLen1 = 0; + *this >> nLen1; + // higher bits are ignored + nLen1 &= 0xFFFF; + sal_Char* p = new sal_Char[ (sal_uInt16) nLen1 ]; + if( Read( p, nLen1 ) == (sal_uLong) nLen1 ) + { + //The encoding here is "ANSI", which is pretty useless seeing as + //the actual codepage used doesn't seem to be specified/stored + //anywhere :-(. Might as well pick 1252 and be consistent on + //all platforms and envs + //http://www.openoffice.org/nonav/issues/showattachment.cgi/68668/Orginal%20Document.doc + //for a good edge-case example + aUserName = nLen1 ? String( p, RTL_TEXTENCODING_MS_1252 ) : String(); + nCbFormat = ReadClipboardFormat( *this ); + } + else + SetError( SVSTREAM_GENERALERROR ); + delete [] p; + } + return sal_Bool( GetError() == SVSTREAM_OK ); +} + +sal_Bool StgCompObjStream::Store() +{ + if( GetError() != SVSTREAM_OK ) + return sal_False; + Seek( 0L ); + ByteString aAsciiUserName( aUserName, RTL_TEXTENCODING_MS_1252 ); + *this << (sal_Int16) 1 // Version? + << (sal_Int16) -2 // 0xFFFE = Byte Order Indicator + << (sal_Int32) 0x0A03 // Windows 3.10 + << (sal_Int32) -1L + << aClsId // Class ID + << (sal_Int32) (aAsciiUserName.Len() + 1) + << (const char *)aAsciiUserName.GetBuffer() + << (sal_uInt8) 0; // string terminator + WriteClipboardFormat( *this, nCbFormat ); + *this << (sal_Int32) 0; // terminator + Commit(); + return sal_Bool( GetError() == SVSTREAM_OK ); +} + +/////////////////////////// class StgOleStream /////////////////////////// + +StgOleStream::StgOleStream( BaseStorage& rStg, sal_Bool bWr ) + : StgInternalStream( rStg, String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "\1Ole" ) ), bWr ) +{ + nFlags = 0; +} + +sal_Bool StgOleStream::Load() +{ + nFlags = 0; + if( GetError() != SVSTREAM_OK ) + return sal_False; + sal_Int32 version = 0; + Seek( 0L ); + *this >> version >> nFlags; + return sal_Bool( GetError() == SVSTREAM_OK ); +} + +sal_Bool StgOleStream::Store() +{ + if( GetError() != SVSTREAM_OK ) + return sal_False; + Seek( 0L ); + *this << (sal_Int32) 0x02000001 // OLE version, format + << (sal_Int32) nFlags // Object flags + << (sal_Int32) 0 // Update Options + << (sal_Int32) 0 // reserved + << (sal_Int32) 0; // Moniker 1 + Commit(); + return sal_Bool( GetError() == SVSTREAM_OK ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |