44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// Copyright (c) 2014-2015 Dr. Colin Hirsch and Daniel Frey
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// Please see LICENSE for license or visit https://github.com/ColinH/PEGTL/
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#ifndef TAO_CPP_PEGTL_INTERNAL_AT_HH
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#define TAO_CPP_PEGTL_INTERNAL_AT_HH
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#include "skip_control.hh"
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#include "trivial.hh"
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#include "rule_conjunction.hh"
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#include "../analysis/generic.hh"
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namespace tao_json_pegtl
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{
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namespace internal
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{
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template< typename ... Rules > struct at;
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template< typename ... Rules >
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struct skip_control< at< Rules ... > > : std::true_type {};
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template<>
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struct at<>
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: trivial< true > {};
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template< typename ... Rules >
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struct at
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{
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using analyze_t = analysis::generic< analysis::rule_type::OPT, Rules ... >;
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template< apply_mode, template< typename ... > class Action, template< typename ... > class Control, typename Input, typename ... States >
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static bool match( Input & in, States && ... st )
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{
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auto m = in.mark();
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return rule_conjunction< Rules ... >::template match< apply_mode::NOTHING, Action, Control >( in, st ... );
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}
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};
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} // namespace internal
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} // namespace tao_json_pegtl
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#endif
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