MemoryMappedFile.h

/* miktex/Core/MemoryMappedFile.h:                      -*- C++ -*-
 
   Copyright (C) 1996-2021 Christian Schenk
 
   This file is part of the MiKTeX Core Library.
 
   The MiKTeX Core Library is free software; you can redistribute it
   and/or modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation; either version 2, or
   (at your option) any later version.
 
   The MiKTeX Core 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 General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with the MiKTeX Core Library; if not, write to the Free
   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA. */
 
#pragma once
 
#if !defined(B15AA2CEBAC6439F92AFC9ED642BB435)
#define B15AA2CEBAC6439F92AFC9ED642BB435
 
#include <miktex/Core/config.h>
 
#include <cstddef>
 
#include <miktex/Util/PathName>
 
MIKTEX_CORE_BEGIN_NAMESPACE;
 
class MIKTEXNOVTABLE MemoryMappedFile
{
public:
  virtual MIKTEXTHISCALL ~MemoryMappedFile() noexcept = 0;
 
public:
  virtual void* MIKTEXTHISCALL Open(const MiKTeX::Util::PathName& path, bool readWrite) = 0;
 
public:
  virtual void MIKTEXTHISCALL Close() = 0;
 
public:
  virtual void* MIKTEXTHISCALL Resize(std::size_t newSize) = 0;
 
public:
  virtual void* MIKTEXTHISCALL GetPtr() const = 0;
 
public:
  virtual std::string MIKTEXTHISCALL GetName() const = 0;
 
public:
  virtual std::size_t MIKTEXTHISCALL GetSize() const = 0;
 
public:
  virtual void MIKTEXTHISCALL Flush() = 0;
 
public:
  static MIKTEXCORECEEAPI(MemoryMappedFile*) Create();
};
 
MIKTEX_CORE_END_NAMESPACE;
 
#endif