mirror of
https://github.com/geode-sdk/geode.git
synced 2024-12-04 21:21:01 -05:00
90 lines
2.5 KiB
C++
Executable file
90 lines
2.5 KiB
C++
Executable file
// 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_RANGES_HPP
|
|
#define TAO_PEGTL_INTERNAL_RANGES_HPP
|
|
|
|
#include "../config.hpp"
|
|
|
|
#include <utility>
|
|
|
|
#include "bump_help.hpp"
|
|
#include "enable_control.hpp"
|
|
#include "failure.hpp"
|
|
#include "one.hpp"
|
|
#include "range.hpp"
|
|
|
|
#include "../type_list.hpp"
|
|
|
|
namespace TAO_PEGTL_NAMESPACE::internal
|
|
{
|
|
template< typename Char, Char Lo, Char Hi >
|
|
constexpr bool validate_range( Char c ) noexcept
|
|
{
|
|
static_assert( Lo <= Hi, "invalid range" );
|
|
return ( Lo <= c ) && ( c <= Hi );
|
|
}
|
|
|
|
template< typename Peek, typename Peek::data_t... Cs >
|
|
struct ranges
|
|
{
|
|
using peek_t = Peek;
|
|
using data_t = typename Peek::data_t;
|
|
|
|
using rule_t = ranges;
|
|
using subs_t = empty_list;
|
|
|
|
template< std::size_t... Is >
|
|
[[nodiscard]] static constexpr bool test( std::index_sequence< Is... > /*unused*/, const data_t c ) noexcept
|
|
{
|
|
constexpr const data_t cs[] = { Cs... };
|
|
if constexpr( sizeof...( Cs ) % 2 == 0 ) {
|
|
return ( validate_range< data_t, cs[ 2 * Is ], cs[ 2 * Is + 1 ] >( c ) || ... );
|
|
}
|
|
else {
|
|
return ( validate_range< data_t, cs[ 2 * Is ], cs[ 2 * Is + 1 ] >( c ) || ... ) || ( c == cs[ sizeof...( Cs ) - 1 ] );
|
|
}
|
|
}
|
|
|
|
[[nodiscard]] static constexpr bool test( const data_t c ) noexcept
|
|
{
|
|
return test( std::make_index_sequence< sizeof...( Cs ) / 2 >(), c );
|
|
}
|
|
|
|
template< int Eol >
|
|
static constexpr bool can_match_eol = test( Eol );
|
|
|
|
template< typename ParseInput >
|
|
[[nodiscard]] static bool match( ParseInput& in ) noexcept( noexcept( Peek::peek( in ) ) )
|
|
{
|
|
if( const auto t = Peek::peek( in ) ) {
|
|
if( test( t.data ) ) {
|
|
bump_help< ranges >( in, t.size );
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
template< typename Peek, typename Peek::data_t Lo, typename Peek::data_t Hi >
|
|
struct ranges< Peek, Lo, Hi >
|
|
: range< result_on_found::success, Peek, Lo, Hi >
|
|
{};
|
|
|
|
template< typename Peek, typename Peek::data_t C >
|
|
struct ranges< Peek, C >
|
|
: one< result_on_found::success, Peek, C >
|
|
{};
|
|
|
|
template< typename Peek >
|
|
struct ranges< Peek >
|
|
: failure
|
|
{};
|
|
|
|
template< typename Peek, typename Peek::data_t... Cs >
|
|
inline constexpr bool enable_control< ranges< Peek, Cs... > > = false;
|
|
|
|
} // namespace TAO_PEGTL_NAMESPACE::internal
|
|
|
|
#endif
|