81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
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// Copyright (c) 2014-2021 Dr. Colin Hirsch and Daniel Frey
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
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#ifndef TAO_PEGTL_MMAP_INPUT_HPP
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#define TAO_PEGTL_MMAP_INPUT_HPP
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#include <string>
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#include "config.hpp"
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#include "eol.hpp"
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#include "memory_input.hpp"
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#include "tracking_mode.hpp"
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#include "internal/filesystem.hpp"
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#include "internal/path_to_string.hpp"
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#if defined( __unix__ ) || ( defined( __APPLE__ ) && defined( __MACH__ ) )
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#include <unistd.h> // Required for _POSIX_MAPPED_FILES
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#endif
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#if defined( _POSIX_MAPPED_FILES )
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#include "internal/file_mapper_posix.hpp"
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#elif defined( _WIN32 )
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#include "internal/file_mapper_win32.hpp"
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#else
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#endif
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namespace TAO_PEGTL_NAMESPACE
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{
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namespace internal
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{
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struct mmap_holder
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{
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const file_mapper data;
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explicit mmap_holder( const internal::filesystem::path& path )
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: data( path )
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{}
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mmap_holder( const mmap_holder& ) = delete;
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mmap_holder( mmap_holder&& ) = delete;
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~mmap_holder() = default;
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mmap_holder& operator=( const mmap_holder& ) = delete;
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mmap_holder& operator=( mmap_holder&& ) = delete;
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};
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} // namespace internal
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template< tracking_mode P = tracking_mode::eager, typename Eol = eol::lf_crlf >
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struct mmap_input
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: private internal::mmap_holder,
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public memory_input< P, Eol >
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{
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mmap_input( const internal::filesystem::path& path, const std::string& source )
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: internal::mmap_holder( path ),
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memory_input< P, Eol >( data.begin(), data.end(), source )
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{}
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explicit mmap_input( const internal::filesystem::path& path )
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: mmap_input( path, internal::path_to_string( path ) )
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{}
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mmap_input( const mmap_input& ) = delete;
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mmap_input( mmap_input&& ) = delete;
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~mmap_input() = default;
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mmap_input& operator=( const mmap_input& ) = delete;
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mmap_input& operator=( mmap_input&& ) = delete;
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};
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template< typename... Ts >
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explicit mmap_input( Ts&&... ) -> mmap_input<>;
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} // namespace TAO_PEGTL_NAMESPACE
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#endif
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