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+/*************************************************************************
+ *
+ * $RCSfile: stgole.cxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 16:56:52 $
+ *
+ * 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): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#include "rtl/string.h"
+#include "rtl/string.h"
+#include "stgole.hxx"
+#include "storinfo.hxx" // Read/WriteClipboardFormat()
+#pragma hdrstop
+
+///////////////////////// class StgInternalStream ////////////////////////
+
+StgInternalStream::StgInternalStream
+ ( Storage& 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( Storage& 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;
+ sal_Char* p = new sal_Char[ (USHORT) nLen1 ];
+ if( Read( p, nLen1 ) == (ULONG) nLen1 )
+ {
+ aUserName = String( p, gsl_getSystemTextEncoding() );
+/* // 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 )
+ 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) 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( Storage& 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 nVersion = 0;
+ Seek( 0L );
+ *this >> nVersion >> 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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