1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/* -*- 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.
*
************************************************************************/
#include "rtl/string.h"
#include "rtl/string.h"
#include "stgole.hxx"
#include "sot/storinfo.hxx" // Read/WriteClipboardFormat()
#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 );
rtl::OString aAsciiUserName(rtl::OUStringToOString(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.getLength() + 1)
<< (const char *)aAsciiUserName.getStr()
<< (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: */
|
