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
|
/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: vcompat.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: obo $ $Date: 2006-09-17 01:02:29 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 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
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"
#define _VCOMPAT_CXX
#ifndef _STREAM_HXX
#include "stream.hxx"
#endif
#ifndef _VCOMPAT_HXX
#include "vcompat.hxx"
#endif
// -----------------
// - VersionCompat -
// -----------------
VersionCompat::VersionCompat( SvStream& rStm, USHORT nStreamMode, USHORT nVersion ) :
mpRWStm ( &rStm ),
mnStmMode ( nStreamMode ),
mnVersion ( nVersion )
{
if( !mpRWStm->GetError() )
{
if( STREAM_WRITE == mnStmMode )
{
*mpRWStm << mnVersion;
mnTotalSize = ( mnCompatPos = mpRWStm->Tell() ) + 4UL;
mpRWStm->SeekRel( 4L );
}
else
{
*mpRWStm >> mnVersion;
*mpRWStm >> mnTotalSize;
mnCompatPos = mpRWStm->Tell();
}
}
}
// ------------------------------------------------------------------------
VersionCompat::~VersionCompat()
{
if( STREAM_WRITE == mnStmMode )
{
const UINT32 nEndPos = mpRWStm->Tell();
mpRWStm->Seek( mnCompatPos );
*mpRWStm << ( nEndPos - mnTotalSize );
mpRWStm->Seek( nEndPos );
}
else
{
const UINT32 nReadSize = mpRWStm->Tell() - mnCompatPos;
if( mnTotalSize > nReadSize )
mpRWStm->SeekRel( mnTotalSize - nReadSize );
}
}
|
