// Copyright (c) 2017-2018 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/

#ifndef TAO_PEGTL_INTERNAL_ITERATOR_HPP
#define TAO_PEGTL_INTERNAL_ITERATOR_HPP

#include <cstdlib>

#include "../config.hpp"

namespace tao
{
   namespace TAO_PEGTL_NAMESPACE
   {
      namespace internal
      {
         struct iterator
         {
            iterator() noexcept = default;

            explicit iterator( const char* in_data ) noexcept
               : data( in_data )
            {
            }

            iterator( const char* in_data, const std::size_t in_byte, const std::size_t in_line, const std::size_t in_byte_in_line ) noexcept
               : data( in_data ),
                 byte( in_byte ),
                 line( in_line ),
                 byte_in_line( in_byte_in_line )
            {
            }

            iterator( const iterator& ) = default;
            iterator( iterator&& ) = default;

            ~iterator() = default;

            iterator& operator=( const iterator& ) = default;
            iterator& operator=( iterator&& ) = default;

            void reset() noexcept
            {
               *this = iterator();
            }

            const char* data = nullptr;

            std::size_t byte = 0;
            std::size_t line = 1;
            std::size_t byte_in_line = 0;
         };

      }  // namespace internal

   }  // namespace TAO_PEGTL_NAMESPACE

}  // namespace tao

#endif