geode/codegen/Broma/PEGTL-3.2.7/include/tao/pegtl/mmap_input.hpp
2022-07-30 19:24:03 +03:00

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// Copyright (c) 2014-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_PEGTL_MMAP_INPUT_HPP
#define TAO_PEGTL_MMAP_INPUT_HPP
#include <string>
#include "config.hpp"
#include "eol.hpp"
#include "memory_input.hpp"
#include "tracking_mode.hpp"
#include "internal/filesystem.hpp"
#include "internal/path_to_string.hpp"
#if defined( __unix__ ) || ( defined( __APPLE__ ) && defined( __MACH__ ) )
#include <unistd.h> // Required for _POSIX_MAPPED_FILES
#endif
#if defined( _POSIX_MAPPED_FILES )
#include "internal/file_mapper_posix.hpp"
#elif defined( _WIN32 )
#include "internal/file_mapper_win32.hpp"
#else
#endif
namespace TAO_PEGTL_NAMESPACE
{
namespace internal
{
struct mmap_holder
{
const file_mapper data;
explicit mmap_holder( const internal::filesystem::path& path )
: data( path )
{}
mmap_holder( const mmap_holder& ) = delete;
mmap_holder( mmap_holder&& ) = delete;
~mmap_holder() = default;
mmap_holder& operator=( const mmap_holder& ) = delete;
mmap_holder& operator=( mmap_holder&& ) = delete;
};
} // namespace internal
template< tracking_mode P = tracking_mode::eager, typename Eol = eol::lf_crlf >
struct mmap_input
: private internal::mmap_holder,
public memory_input< P, Eol >
{
mmap_input( const internal::filesystem::path& path, const std::string& source )
: internal::mmap_holder( path ),
memory_input< P, Eol >( data.begin(), data.end(), source )
{}
explicit mmap_input( const internal::filesystem::path& path )
: mmap_input( path, internal::path_to_string( path ) )
{}
mmap_input( const mmap_input& ) = delete;
mmap_input( mmap_input&& ) = delete;
~mmap_input() = default;
mmap_input& operator=( const mmap_input& ) = delete;
mmap_input& operator=( mmap_input&& ) = delete;
};
template< typename... Ts >
explicit mmap_input( Ts&&... ) -> mmap_input<>;
} // namespace TAO_PEGTL_NAMESPACE
#endif