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61 lines
1.6 KiB
C++
Executable file
61 lines
1.6 KiB
C++
Executable file
// Copyright (c) 2014-2022 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_INTERNAL_REP_OPT_HPP
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#define TAO_PEGTL_INTERNAL_REP_OPT_HPP
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#include "../config.hpp"
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#include "enable_control.hpp"
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#include "seq.hpp"
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#include "success.hpp"
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#include "../apply_mode.hpp"
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#include "../rewind_mode.hpp"
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#include "../type_list.hpp"
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namespace TAO_PEGTL_NAMESPACE::internal
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{
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template< unsigned Max, typename... Rules >
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struct rep_opt
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: rep_opt< Max, seq< Rules... > >
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{};
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template< unsigned Max >
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struct rep_opt< Max >
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: success
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{};
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template< typename... Rules >
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struct rep_opt< 0, Rules... >
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: success
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{};
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template< unsigned Max, typename Rule >
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struct rep_opt< Max, Rule >
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{
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using rule_t = rep_opt;
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using subs_t = type_list< Rule >;
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template< apply_mode A,
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rewind_mode,
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template< typename... >
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class Action,
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template< typename... >
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class Control,
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typename ParseInput,
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typename... States >
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[[nodiscard]] static bool match( ParseInput& in, States&&... st )
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{
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for( unsigned i = 0; ( i != Max ) && Control< Rule >::template match< A, rewind_mode::required, Action, Control >( in, st... ); ++i ) {
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}
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return true;
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}
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};
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template< unsigned Max, typename... Rules >
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inline constexpr bool enable_control< rep_opt< Max, Rules... > > = false;
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} // namespace TAO_PEGTL_NAMESPACE::internal
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#endif
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