ucb/source/ucp/file/filrec.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
  20 #pragma once
  21
  22 #include <osl/file.hxx>
  23
  24 namespace fileaccess {
  25
  26 class ReconnectingFile
  27 {
  28     ::osl::File     m_aFile;
  29
  30     sal_uInt32      m_nFlags;
  31     bool        m_bFlagsSet;
  32
  33     bool        m_bDisconnect;
  34
  35     ReconnectingFile( ReconnectingFile const & ) = delete;
  36     ReconnectingFile& operator=( ReconnectingFile const & ) = delete;
  37
  38 public:
  39
  40     explicit ReconnectingFile( const OUString& aFileURL )
  41         : m_aFile( aFileURL )
  42         , m_nFlags( 0 )
  43         , m_bFlagsSet( false )
  44         , m_bDisconnect( false )
  45     {}
  46
  47     ~ReconnectingFile()
  48     {
  49         close();
  50     }
  51
  52     void disconnect();
  53     bool reconnect();
  54
  55     ::osl::FileBase::RC open( sal_uInt32 uFlags );
  56
  57     ::osl::FileBase::RC close();
  58
  59     ::osl::FileBase::RC setPos( sal_uInt32 uHow, sal_Int64 uPos );
  60
  61     ::osl::FileBase::RC getPos( sal_uInt64& uPos );
  62
  63     ::osl::FileBase::RC setSize( sal_uInt64 uSize );
  64
  65     ::osl::FileBase::RC getSize( sal_uInt64 &rSize );
  66
  67     ::osl::FileBase::RC read( void *pBuffer, sal_uInt64 uBytesRequested, sal_uInt64& rBytesRead );
  68
  69     ::osl::FileBase::RC write(const void *pBuffer, sal_uInt64 uBytesToWrite, sal_uInt64& rBytesWritten);
  70
  71     ::osl::FileBase::RC sync() const;
  72 };
  73
  74 } // namespace fileaccess
  75
  76 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */