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Contents
// 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_INTERNAL_REP_OPT_HPP
#define TAO_PEGTL_INTERNAL_REP_OPT_HPP
#include "../config.hpp"
#include "enable_control.hpp"
#include "seq.hpp"
#include "success.hpp"
#include "../apply_mode.hpp"
#include "../rewind_mode.hpp"
#include "../type_list.hpp"
namespace TAO_PEGTL_NAMESPACE::internal
{
template< unsigned Max, typename... Rules >
struct rep_opt
: rep_opt< Max, seq< Rules... > >
{};
template< unsigned Max >
struct rep_opt< Max >
: success
{};
template< typename... Rules >
struct rep_opt< 0, Rules... >
: success
{};
template< unsigned Max, typename Rule >
struct rep_opt< Max, Rule >
{
using rule_t = rep_opt;
using subs_t = type_list< Rule >;
template< apply_mode A,
rewind_mode,
template< typename... >
class Action,
template< typename... >
class Control,
typename ParseInput,
typename... States >
[[nodiscard]] static bool match( ParseInput& in, States&&... st )
{
for( unsigned i = 0; ( i != Max ) && Control< Rule >::template match< A, rewind_mode::required, Action, Control >( in, st... ); ++i ) {
}
return true;
}
};
template< unsigned Max, typename... Rules >
inline constexpr bool enable_control< rep_opt< Max, Rules... > > = false;
} // namespace TAO_PEGTL_NAMESPACE::internal
#endif
Version data entries
12 entries across 12 versions & 1 rubygems