include/tools/vcompat.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_TOOLS_VCOMPAT_HXX
  20 #define INCLUDED_TOOLS_VCOMPAT_HXX
  21
  22 #include <tools/toolsdllapi.h>
  23
  24 inline sal_uInt32 COMPAT_FORMAT( char char1, char char2, char char3, char char4 )
  25 {
  26     return
  27         static_cast<sal_uInt32>(char1) |
  28         (static_cast<sal_uInt32>(char2) <<  8) |
  29         (static_cast<sal_uInt32>(char3) << 16) |
  30         (static_cast<sal_uInt32>(char4) << 24);
  31 };
  32
  33 class SvStream;
  34 enum class StreamMode;
  35
  36 class TOOLS_DLLPUBLIC VersionCompat
  37 {
  38     SvStream*       mpRWStm;
  39     sal_uInt32      mnCompatPos;
  40     sal_uInt32      mnTotalSize;
  41     StreamMode const mnStmMode;
  42     sal_uInt16      mnVersion;
  43
  44                     VersionCompat( const VersionCompat& ) = delete;
  45     VersionCompat&  operator=( const VersionCompat& ) { return *this; }
  46
  47 public:
  48                     VersionCompat( SvStream& rStm, StreamMode nStreamMode, sal_uInt16 nVersion = 1 );
  49                     ~VersionCompat();
  50
  51     sal_uInt16      GetVersion() const { return mnVersion; }
  52 };
  53
  54 #endif
  55
  56 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */