BasParserTypes.hpp

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#ifndef __OPENTREP_BAS_BASPARSERTYPES_HPP
#define __OPENTREP_BAS_BASPARSERTYPES_HPP

// //////////////////////////////////////////////////////////////////////
// Import section
// //////////////////////////////////////////////////////////////////////
// STL
#include <string>
// Boost Spirit (Parsing)
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/spirit/include/support_multi_pass.hpp>
#include <boost/spirit/include/classic_position_iterator.hpp>
// OpenTREP
#include <opentrep/OPENTREP_ParserHelperTypes.hpp>

namespace OPENTREP {

  // ////////////////////////////////////////////////////////////////////
  //
  //  Definition of Basic Types
  //
  // ////////////////////////////////////////////////////////////////////
  // The types of iterator, scanner and rule are then derived from
  // the parsing unit.
  typedef std::istreambuf_iterator<char> base_iterator_t;
  typedef boost::spirit::multi_pass<base_iterator_t> iterator_t;  

  // Wrap the forward iterator with position iterator, to record the position
  typedef boost::spirit::classic::position_iterator2<iterator_t> pos_iterator_t;


  // ////////////////////////////////////////////////////////////////////
  //
  //  Parser related types
  //
  // ////////////////////////////////////////////////////////////////////
  typedef boost::spirit::qi::uint_parser<int, 10, 1, 1> uint1_p_t;
    
  typedef boost::spirit::qi::uint_parser<int, 10, 2, 2> uint2_p_t;
    
  typedef boost::spirit::qi::uint_parser<int, 10, 1, 2> int1_2_p_t;

  typedef boost::spirit::qi::uint_parser<int, 10, 4, 4> uint4_p_t;

  typedef boost::spirit::qi::int_parser<int, 10, 1, 5> int1_5_p_t;
  typedef boost::spirit::qi::int_parser<int, 10, 0, 5> int0_5_p_t;

  typedef boost::spirit::qi::uint_parser<int, 10, 1, 4> uint1_4_p_t;

  typedef boost::spirit::qi::uint_parser<int, 10, 1, 9> uint1_9_p_t;
  typedef boost::spirit::qi::uint_parser<int, 10, 0, 9> uint0_9_p_t;

  typedef boost::spirit::qi::uint_parser<hour_t, 10, 2, 2> hour_p_t;
  typedef boost::spirit::qi::uint_parser<minute_t, 10, 2, 2> minute_p_t;
  typedef boost::spirit::qi::uint_parser<second_t, 10, 2, 2> second_p_t;
  typedef boost::spirit::qi::uint_parser<year_t, 10, 4, 4> year_p_t;
  typedef boost::spirit::qi::uint_parser<month_t, 10, 2, 2> month_p_t;
  typedef boost::spirit::qi::uint_parser<day_t, 10, 2, 2> day_p_t;

  struct short_bool_policies : boost::spirit::qi::bool_policies<> {
    template <typename Iterator, typename Attribute>
    static bool parse_true (Iterator& first, Iterator const& last,
                            Attribute& attr) {
      if (boost::spirit::qi::detail::string_parse ("Y", first, last,
                                                   boost::spirit::qi::unused)) {
        // Result is true
        boost::spirit::traits::assign_to (true, attr);
        return true;
      }
      return false;
    }

    // 'Y' will return true and 'N' false
    template <typename Iterator, typename Attribute>
    static bool parse_false (Iterator& first, Iterator const& last,
                             Attribute& attr) {
      if (boost::spirit::qi::detail::string_parse ("N", first, last,
                                                   boost::spirit::qi::unused)
          ||
          boost::spirit::qi::detail::string_parse ("Z", first, last,
                                                   boost::spirit::qi::unused)) {
        // Result is false
        boost::spirit::traits::assign_to (false, attr);
        return true;
      }
      return false;
    }
  };

  typedef boost::spirit::qi::bool_parser<bool, short_bool_policies> boolean_p_t;
  
}
#endif // __OPENTREP_BAS_BASPARSERTYPES_HPP