Sha256: f6f29bdbd6f43a0c8803ed5bae05c547cf4ed5f781a7db85b6ce02b9fbc47704
Contents?: true
Size: 1.45 KB
Versions: 24
Compression:
Stored size: 1.45 KB
Contents
// Copyright (c) 2014-2020 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_JSON_PEGTL_INTERNAL_IF_MUST_HPP
#define TAO_JSON_PEGTL_INTERNAL_IF_MUST_HPP
#include "../config.hpp"
#include "must.hpp"
#include "skip_control.hpp"
#include "trivial.hpp"
#include "../apply_mode.hpp"
#include "../rewind_mode.hpp"
#include "../analysis/counted.hpp"
namespace TAO_JSON_PEGTL_NAMESPACE::internal
{
template< bool Default, typename Cond, typename... Rules >
struct if_must
{
using analyze_t = analysis::counted< analysis::rule_type::seq, Default ? 0 : 1, Cond, must< Rules... > >;
template< apply_mode A,
rewind_mode M,
template< typename... >
class Action,
template< typename... >
class Control,
typename Input,
typename... States >
[[nodiscard]] static bool match( Input& in, States&&... st )
{
if( Control< Cond >::template match< A, M, Action, Control >( in, st... ) ) {
(void)( Control< must< Rules > >::template match< A, M, Action, Control >( in, st... ) && ... );
return true;
}
return Default;
}
};
template< bool Default, typename Cond, typename... Rules >
inline constexpr bool skip_control< if_must< Default, Cond, Rules... > > = true;
} // namespace TAO_JSON_PEGTL_NAMESPACE::internal
#endif
Version data entries
24 entries across 24 versions & 1 rubygems