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// Copyright (c) 2015-2017 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAOCPP_PEGTL_INCLUDE_INTERNAL_BUMP_UTIL_HPP
#define TAOCPP_PEGTL_INCLUDE_INTERNAL_BUMP_UTIL_HPP
#include <cstddef>
#include <type_traits>
#include "../config.hpp"
#include "result_on_found.hpp"
namespace tao
{
namespace TAOCPP_PEGTL_NAMESPACE
{
namespace internal
{
template< bool >
struct bump_impl;
template<>
struct bump_impl< true >
{
template< typename Input >
static void bump( Input& in, const std::size_t count ) noexcept
{
in.bump( count );
}
};
template<>
struct bump_impl< false >
{
template< typename Input >
static void bump( Input& in, const std::size_t count ) noexcept
{
in.bump_in_this_line( count );
}
};
template< bool... >
struct bool_list
{
};
template< bool... Bs >
using bool_and = std::is_same< bool_list< Bs..., true >, bool_list< true, Bs... > >;
template< result_on_found R, typename Input, typename Char, Char... Cs >
void bump_help( Input& in, const std::size_t count ) noexcept
{
using eol_t = typename Input::eol_t;
bump_impl< bool_and< ( Cs != eol_t::ch )... >::value != bool( R ) >::bump( in, count );
}
} // namespace internal
} // namespace TAOCPP_PEGTL_NAMESPACE
} // namespace tao
#endif
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