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49 lines
1.3 KiB
C++
Executable file
49 lines
1.3 KiB
C++
Executable file
// Copyright (c) 2017-2022 Dr. Colin Hirsch and Daniel Frey
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// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
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#ifndef TAO_PEGTL_ARGV_INPUT_HPP
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#define TAO_PEGTL_ARGV_INPUT_HPP
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#include <cstddef>
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#include <sstream>
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#include <string>
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#include <utility>
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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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namespace TAO_PEGTL_NAMESPACE
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{
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namespace internal
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{
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[[nodiscard]] inline std::string make_argv_source( const std::size_t argn )
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{
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std::ostringstream oss;
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oss << "argv[" << argn << ']';
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return std::move( oss ).str();
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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 argv_input
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: memory_input< P, Eol >
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{
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template< typename T >
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argv_input( char** argv, const std::size_t argn, T&& in_source )
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: memory_input< P, Eol >( static_cast< const char* >( argv[ argn ] ), std::forward< T >( in_source ) )
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{}
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argv_input( char** argv, const std::size_t argn )
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: argv_input( argv, argn, internal::make_argv_source( argn ) )
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{}
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};
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template< typename... Ts >
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argv_input( Ts&&... ) -> argv_input<>;
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} // namespace TAO_PEGTL_NAMESPACE
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#endif
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