scanner.hpp

yard lib, template for regular rule

// released into the public domain
// by Christopher Diggins 2004
// http://www.cdiggins.com

#ifndef SCANNER_HPP_INCLUDED
#define SCANNER_HPP_INCLUDED

#include "parser_input_stream.hpp"

namespace yard {
    template < typename Rules_T, typename Elem_T, typename Iter_T >
    void Scan(Iter_T begin, Iter_T end) {
        ParserInputStream < Elem_T, Iter_T > input(begin, end);
        while (!input.AtEnd()) {
            if (!Rules_T::Accept(input)) {
                //double checker
                if ((!input.AtEnd())) input.GotoNext();
            }
        }
    }
}

#endif // #ifndef SCANNER_HPP_INCLUDED