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// Copyright (c) 2014-2017 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAOCPP_PEGTL_INCLUDE_INTERNAL_RANGE_HPP
#define TAOCPP_PEGTL_INCLUDE_INTERNAL_RANGE_HPP
#include "../config.hpp"
#include "bump_help.hpp"
#include "result_on_found.hpp"
#include "skip_control.hpp"
#include "../analysis/generic.hpp"
namespace tao
{
namespace TAOCPP_PEGTL_NAMESPACE
{
namespace internal
{
template< result_on_found R, typename Peek, typename Peek::data_t Lo, typename Peek::data_t Hi >
struct range
{
using analyze_t = analysis::generic< analysis::rule_type::ANY >;
template< int Eol >
struct can_match_eol
{
static constexpr bool value = ( ( ( Lo <= Eol ) && ( Eol <= Hi ) ) == bool( R ) );
};
template< typename Input >
static bool match( Input& in )
{
using eol_t = typename Input::eol_t;
if( !in.empty() ) {
if( const auto t = Peek::peek( in ) ) {
if( ( ( Lo <= t.data ) && ( t.data <= Hi ) ) == bool( R ) ) {
bump_impl< can_match_eol< eol_t::ch >::value >::bump( in, t.size );
return true;
}
}
}
return false;
}
};
template< result_on_found R, typename Peek, typename Peek::data_t Lo, typename Peek::data_t Hi >
struct skip_control< range< R, Peek, Lo, Hi > > : std::true_type
{
};
} // namespace internal
} // namespace TAOCPP_PEGTL_NAMESPACE
} // namespace tao
#endif
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