| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the 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; |
| if ( nLen1 > 0 ) |
| { |
| // higher bits are ignored |
| sal_uLong nStrLen = ::std::min( nLen1, (sal_Int32)0xFFFE ); |
| |
| sal_Char* p = new sal_Char[ nStrLen+1 ]; |
| p[nStrLen] = 0; |
| if( Read( p, nStrLen ) == nStrLen ) |
| { |
| aUserName = nStrLen ? String( p, gsl_getSystemTextEncoding() ) : 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_ASCII_US ); |
| *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 |
| /* // determine the clipboard format string |
| String aCbFmt; |
| if( nCbFormat > FORMAT_GDIMETAFILE ) |
| aCbFmt = Exchange::GetFormatName( nCbFormat ); |
| if( aCbFmt.Len() ) |
| *this << (sal_Int32) aCbFmt.Len() + 1 |
| << (const char*) aCbFmt |
| << (sal_uInt8) 0; |
| else if( nCbFormat ) |
| *this << (sal_Int32) -1 // for Windows |
| << (sal_Int32) nCbFormat; |
| else |
| *this << (sal_Int32) 0; // no clipboard format |
| */ |
| 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 ); |
| } |
| |