Danny Robson
f6056153e3
This places, at long last, the core library code into the same namespace as the extended library code.
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2014-2016 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_IO_WIN32_HPP
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#define __UTIL_IO_WIN32_HPP
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#include "io.hpp"
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#include "win32/handle.hpp"
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#include "view.hpp"
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#include <cstdint>
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#include <experimental/filesystem>
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#include <windows.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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///////////////////////////////////////////////////////////////////////////////
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// compatibility definitions
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enum : int {
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PROT_NONE = 0,
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PROT_READ = 1 << 0,
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PROT_EXEC = 1 << 1,
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PROT_WRITE = 1 << 2
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};
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//-----------------------------------------------------------------------------
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enum : int {
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MAP_SHARED,
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MAP_PRIVATE,
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MAP_ANONYMOUS
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};
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///////////////////////////////////////////////////////////////////////////////
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// implementation definitions
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namespace cruft {
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namespace detail::win32 {
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class mapped_file {
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public:
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mapped_file (::cruft::win32::handle &&,
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int fflags = O_RDONLY,
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int mflags = PROT_READ);
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mapped_file (const std::experimental::filesystem::path &path,
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int fflags = O_RDONLY,
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int mflags = PROT_READ);
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mapped_file (const cruft::posix::fd&,
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int fflag = O_RDONLY,
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int mflags = PROT_READ);
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mapped_file (const mapped_file&) = delete;
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mapped_file& operator= (const mapped_file&) = delete;
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size_t size (void) const;
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bool empty (void) const;
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const uint8_t* data (void) const &;
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uint8_t* data (void) &;
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uint8_t* begin (void) &;
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uint8_t* end (void) &;
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const uint8_t* begin (void) const &;
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const uint8_t* end (void) const &;
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const uint8_t* cbegin (void) const &;
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const uint8_t* cend (void) const &;
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template <typename T>
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cruft::view<std::add_const_t<T>*>
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as_view () const &
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{
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return {
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reinterpret_cast<const T*> (cbegin ()),
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reinterpret_cast<const T*> (align (cend (), alignof (T)))
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};
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}
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template <typename T>
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cruft::view<T*>
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as_view () &
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{
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return {
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reinterpret_cast<T *> (begin ()),
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reinterpret_cast<T *> (align (end (), alignof(T)))
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};
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}
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private:
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::cruft::win32::handle m_file;
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::cruft::win32::handle m_mapping;
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std::unique_ptr<uint8_t,BOOL(*)(LPCVOID)> m_data;
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uint64_t m_size;
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};
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}
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typedef detail::win32::mapped_file mapped_file;
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}
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#endif
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