libcruft-util/io_win32.hpp

108 lines
2.9 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2014-2016 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_IO_WIN32_HPP
#define __UTIL_IO_WIN32_HPP
#include "./io.hpp"
#include "./win32/handle.hpp"
#include "./view.hpp"
#include <cstdint>
#include <experimental/filesystem>
#include <windows.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
///////////////////////////////////////////////////////////////////////////////
// compatibility definitions
enum : int {
PROT_NONE = 0,
PROT_READ = 1 << 0,
PROT_EXEC = 1 << 1,
PROT_WRITE = 1 << 2
};
//-----------------------------------------------------------------------------
enum : int {
MAP_SHARED,
MAP_PRIVATE,
MAP_ANONYMOUS
};
///////////////////////////////////////////////////////////////////////////////
// implementation definitions
namespace util {
namespace detail { namespace win32 {
class mapped_file {
public:
mapped_file (::util::win32::handle &&,
int fflags = O_RDONLY,
int mflags = PROT_READ);
mapped_file (const std::experimental::filesystem::path &path,
int fflags = O_RDONLY,
int mflags = PROT_READ);
mapped_file (const util::fd&,
int fflag = O_RDONLY,
int mflags = PROT_READ);
mapped_file (const mapped_file&) = delete;
mapped_file& operator= (const mapped_file&) = delete;
size_t size (void) const;
bool empty (void) const;
const uint8_t* data (void) const &;
uint8_t* data (void) &;
uint8_t* begin (void) &;
uint8_t* end (void) &;
const uint8_t* begin (void) const &;
const uint8_t* end (void) const &;
const uint8_t* cbegin (void) const &;
const uint8_t* cend (void) const &;
template <typename T>
util::view<std::add_const_t<T>*>
as_view () const &;
template <typename T>
util::view<T*>
as_view () &;
private:
::util::win32::handle m_file;
::util::win32::handle m_mapping;
std::unique_ptr<uint8_t,BOOL(*)(LPCVOID)> m_data;
uint64_t m_size;
};
} }
typedef detail::win32::mapped_file mapped_file;
}
#include "io_win32.ipp"
#endif