locale_facets.h

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      { return do_get_date(__s, __end, __f, __err, __t); }

      iter_type 
      get_weekday(iter_type __s, iter_type __end, ios_base& __f,
		  ios_base::iostate& __err, tm* __t) const
      { return do_get_weekday(__s,__end,__f,__err,__t); }

      iter_type 
      get_monthname(iter_type __s, iter_type __end, ios_base& __f, 
		    ios_base::iostate& __err, tm* __t) const
      { return do_get_monthname(__s,__end,__f,__err,__t); }

      iter_type 
      get_year(iter_type __s, iter_type __end, ios_base& __f,
	       ios_base::iostate& __err, tm* __t) const
      { return do_get_year(__s,__end,__f,__err,__t); }

    protected:
      virtual 
      ~time_get() 
      {      
	delete [] _M_monthnames; 
	delete [] _M_daynames; 
      }

      virtual dateorder 
      do_date_order()  const
      { return time_base::ymd; }

      virtual iter_type 
      do_get_time(iter_type __s, iter_type /*__end*/, ios_base&,
		  ios_base::iostate& /*__err*/, tm* /*__t*/) const
      { return __s; }

      virtual iter_type 
      do_get_date(iter_type __s, iter_type /*__end*/, ios_base&,
		  ios_base::iostate& /*__err*/, tm* /*__t*/) const
      { return __s; }

      virtual iter_type 
      do_get_weekday(iter_type __s, iter_type __end, ios_base&,
		     ios_base::iostate& __err, tm* __t) const;

      virtual iter_type 
      do_get_monthname(iter_type __s, iter_type __end, ios_base&, 
		       ios_base::iostate& __err, tm* __t) const;

      virtual iter_type 
      do_get_year(iter_type __s, iter_type /*__end*/, ios_base&,
		   ios_base::iostate& /*__err*/, tm* /*__t*/) const
      { return __s; }

      mutable basic_string<_CharT>* _M_daynames;
      mutable basic_string<_CharT>* _M_monthnames;
    };

  template<typename _CharT, typename _InIter>
    locale::id time_get<_CharT, _InIter>::id;

  template<typename _CharT, typename _InIter>
    class time_get_byname : public time_get<_CharT, _InIter>
    {
    public:
      typedef _CharT     char_type;
      typedef _InIter    iter_type;

      explicit 
      time_get_byname(const char*, size_t __refs = 0) 
      : time_get<_CharT, _InIter>(__refs) { }
    protected:
      virtual 
      ~time_get_byname() { }
    };

  template<typename _CharT, typename _OutIter>
    class time_put : public locale::facet, public time_base
    {
    public:
      typedef _CharT     char_type;
      typedef _OutIter   iter_type;

      static locale::id id;

      explicit 
      time_put(size_t __refs = 0) : locale::facet (__refs) { }

      // NB: this is a nonvirtual, calls do_put in a loop.
      iter_type 
      put(iter_type __s, ios_base& /*__f*/, char_type /*__fill*/,
          const tm* /*__tmb*/, const _CharT* /*__pattern*/,
          const _CharT* /*__pat_end*/) const
      { return __s; }

      iter_type 
      put(iter_type __s, ios_base& __f, char_type __fill,
	  const tm* __tmb, char __format, char __modifier = 0) const
      { return do_put(__s, __f, __fill, __tmb, __format, __modifier); }

    protected:
      virtual 
      ~time_put() { }

      virtual iter_type 
      do_put(iter_type __s, ios_base&, char_type, const tm* /*__t*/, 
	     char /*__format*/, char /*__mod*/) const
      { return __s; }
    };

  template<typename _CharT, typename _OutIter>
    locale::id time_put<_CharT, _OutIter>::id;

  template<typename _CharT, typename _OutIter>
    class time_put_byname : public time_put<_CharT, _OutIter>
    {
    public:
      typedef _CharT     char_type;
      typedef _OutIter   iter_type;

      explicit 
      time_put_byname(const char*, size_t __refs = 0) 
      : time_put<_CharT, _OutIter> (__refs) { }

    protected:
      virtual 
      ~time_put_byname() { }
    };


  template<typename _CharT, typename _InIter>
    class money_get : public locale::facet
    {
    public:
      typedef _CharT        char_type;
      typedef _InIter       iter_type;
      typedef basic_string<_CharT> string_type;

      static locale::id id;

      explicit 
      money_get(size_t __refs = 0) : locale::facet(__refs) { }

      iter_type 
      get(iter_type __s, iter_type __end, bool __intl,
	  ios_base& __f, ios_base::iostate& __err, long double& __units) const
      { return do_get(__s, __end, __intl, __f, __err, __units); }

      iter_type 
      get(iter_type __s, iter_type __end, bool __intl, ios_base& __f, 
	   ios_base::iostate& __err, string_type& __digits) const
      { return do_get(__s, __end, __intl, __f, __err, __digits); }

    protected:
      virtual 
      ~money_get() { }

      virtual iter_type 
      do_get(iter_type __s, iter_type /*__end*/, bool /*__intl*/,
             ios_base& /*__io*/, ios_base::iostate& /*__err*/,
             long double& /*__units*/) const
      { return __s; }

      virtual iter_type 
      do_get(iter_type __s, iter_type /*__end*/, bool /*__intl*/,
             ios_base& /*__io*/, ios_base::iostate& /*__err*/,
             string_type& /*__digits*/) const
      { return __s; }
    };

  template<typename _CharT, typename _InIter>
    locale::id money_get<_CharT, _InIter>::id;

  template<typename _CharT, typename _OutIter>
    class money_put : public locale::facet
    {
    public:
      typedef _CharT              char_type;
      typedef _OutIter            iter_type;
      typedef basic_string<_CharT> string_type;

      static locale::id id;

      explicit 
      money_put(size_t __refs = 0) : locale::facet(__refs) { }

      iter_type 
      put(iter_type __s, bool __intl, ios_base& __f,
	  char_type __fill, long double __units) const
      { return do_put(__s, __intl, __f, __fill, __units); }

      iter_type 
      put(iter_type __s, bool __intl, ios_base& __f,
	  char_type __fill, const string_type& __digits) const
      { return do_put(__s, __intl, __f, __fill, __digits); }

    protected:
      virtual 
      ~money_put() { }

      virtual iter_type
      do_put(iter_type __s, bool, ios_base& /*__io*/, char_type /*__fill*/,
	     long double /*__units*/) const
      { return __s; }

      virtual iter_type
      do_put(iter_type __s, bool, ios_base& /*__io*/, char_type /*__fill*/,
	     const string_type& /*__digits*/) const
      { return __s; }
    };

  template<typename _CharT, typename _OutIter>
    locale::id money_put<_CharT, _OutIter>::id;

  struct money_base
  {
    enum part { none, space, symbol, sign, value };
    struct pattern { char field[4]; };

    static const pattern _S_default_pattern;

    // Construct and return valid pattern consisting of some combination of:
    // space none symbol sign value
    static pattern 
    _S_construct_pattern(char __preceeds, char __space, char __posn);
  };

  template<typename _CharT, bool _Intl>
    class moneypunct : public locale::facet, public money_base
    {
    public:
      // Types:
      typedef _CharT 			char_type;
      typedef basic_string<_CharT> 	string_type;

      static const bool intl = _Intl;
      static locale::id id;

    private:
      char_type 	_M_decimal_point;
      char_type 	_M_thousands_sep;
      string 		_M_grouping;
      string_type 	_M_curr_symbol;
      string_type 	_M_positive_sign;
      string_type 	_M_negative_sign;
      int 		_M_frac_digits;
      pattern 		_M_pos_format;
      pattern 		_M_neg_format;

    public:
      explicit 
      moneypunct(size_t __refs = 0) : locale::facet(__refs)
      { _M_initialize_moneypunct(); }

      explicit 
      moneypunct(__c_locale __cloc, size_t __refs = 0) : locale::facet(__refs)
      { _M_initialize_moneypunct(__cloc); }

      char_type
      decimal_point() const
      { return this->do_decimal_point(); }
      
      char_type
      thousands_sep() const
      { return this->do_thousands_sep(); }
      
      string 
      grouping() const
      { return this->do_grouping(); }

      string_type  
      curr_symbol() const
      { return this->do_curr_symbol(); }

      string_type  
      positive_sign() const
      { return this->do_positive_sign(); }

      string_type  
      negative_sign() const
      { return this->do_negative_sign(); }

      int          
      frac_digits() const
      { return this->do_frac_digits(); }

      pattern      
      pos_format() const
      { return this->do_pos_format(); }

      pattern      
      neg_format() const
      { return this->do_neg_format(); }

    protected:
      virtual 
      ~moneypunct() { }

      virtual char_type
      do_decimal_point() const
      { return _M_decimal_point; }
      
      virtual char_type
      do_thousands_sep() const
      { return _M_thousands_sep; }
      
      virtual string 
      do_grouping() const
      { return _M_grouping; }

      virtual string_type  
      do_curr_symbol()   const
      { return _M_curr_symbol; }

      virtual string_type  
      do_positive_sign() const
      { return _M_positive_sign; }

      virtual string_type  
      do_negative_sign() const
      { return _M_negative_sign; }

      virtual int          
      do_frac_digits() const
      { return _M_frac_digits; }

      virtual pattern      
      do_pos_format() const
      { return _M_pos_format; }

      virtual pattern      
      do_neg_format() const
      { return _M_neg_format; }

      // For use at construction time only.
      void 
      _M_initialize_moneypunct(__c_locale __cloc = NULL);
    };

  template<typename _CharT, bool _Intl>
    locale::id moneypunct<_CharT, _Intl>::id;

  template<typename _CharT, bool _Intl>
    const bool moneypunct<_CharT, _Intl>::intl;

  template<typename _CharT, bool _Intl>
    void
    moneypunct<_CharT, _Intl>::_M_initialize_moneypunct(__c_locale /*__cloc*/)
    { 
      // NB: Cannot be made generic. 
    }

  template<> 
    void
    moneypunct<char>::_M_initialize_moneypunct(__c_locale __cloc);
#ifdef _GLIBCPP_USE_WCHAR_T
  template<> 
    void
    moneypunct<wchar_t>::_M_initialize_moneypunct(__c_locale __cloc);
#endif

  template<typename _CharT, bool _Intl>
    class moneypunct_byname : public moneypunct<_CharT, _Intl>
    {
      __c_locale			_M_c_locale_moneypunct;
    public:
      typedef _CharT 			char_type;
      typedef basic_string<_CharT> 	string_type;

      static const bool intl = _Intl;

      explicit 
      moneypunct_byname(const char* __s, size_t __refs = 0)
      : moneypunct<_CharT, _Intl>(__refs)
      {
	_S_create_c_locale(_M_c_locale_moneypunct, __s);
	_M_initialize_moneypunct(_M_c_locale_moneypunct);	
      }

    protected:
      virtual 
      ~moneypunct_byname() 
      { _S_destroy_c_locale(_M_c_locale_moneypunct); }
    };

  template<typename _CharT, bool _Intl>
    const bool moneypunct_byname<_CharT, _Intl>::intl;


  struct messages_base
  {
    typedef int catalog;
  };

  template<typename _CharT>
    class messages : public locale::facet, public messages_base
    {
    public:
      typedef _CharT 			char_type;
      typedef basic_string<_CharT> 	string_type;

      static locale::id id;

      explicit 
      messages(size_t __refs = 0) : locale::facet(__refs) { }

      catalog 
      open(const basic_string<char>& __s, const locale& __loc) const
      { return do_open(__s, __loc); }

      string_type  
      get(catalog __c, int __set, int __msgid, const string_type& __s) const
      { return do_get(__c,__set,__msgid,__s); }

      void 
      close(catalog __c) const
      { return do_close(__c); }

    protected:
      virtual 
      ~messages() { }

      // NB: Probably these should be pure, and implemented only in
      //  specializations of messages<>.  But for now...
      virtual catalog 
      do_open(const basic_string<char>&, const locale&) const
      { return 0; }

      virtual string_type  
      do_get(catalog, int, int /*__msgid*/, const string_type& __dfault) const
      { return __dfault; }

      virtual void    
      do_close(catalog) const { }
    };

  template<typename _CharT>
    locale::id messages<_CharT>::id;

  template<typename _CharT>
    class messages_byname : public messages<_CharT>
    {
    public:
      typedef _CharT char_type;
      typedef basic_string<_CharT> string_type;

      explicit 
      messages_byname(const char*, size_t __refs = 0);

    protected:
      virtual 
      ~messages_byname() { }
    };

  template<>
    messages_byname<char>::messages_byname(const char*, size_t __refs);
#ifdef _GLIBCPP_USE_WCHAR_T
  template<>
    messages_byname<wchar_t>::messages_byname(const char*, size_t __refs);
#endif

  // Subclause convenience interfaces, inlines 
  // NB: these are inline
  // because, when used in a loop, some compilers can hoist the body
  // out of the loop; then it's just as fast as the C is*() function.
  template<typename _CharT>
    inline bool 
    isspace(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c); }

  template<typename _CharT>
    inline bool 
    isprint(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c); }

  template<typename _CharT>
    inline bool 
    iscntrl(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c); }

  template<typename _CharT>
    inline bool 
    isupper(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c); }

  template<typename _CharT>
    inline bool islower(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c); }

  template<typename _CharT>
    inline bool 
    isalpha(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c); }

  template<typename _CharT>
    inline bool 
    isdigit(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c); }

  template<typename _CharT>
    inline bool 
    ispunct(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c); }

  template<typename _CharT>
    inline bool 
    isxdigit(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c); }

  template<typename _CharT>
    inline bool 
    isalnum(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c); }

  template<typename _CharT>
    inline bool 
    isgraph(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c); }

  template<typename _CharT>
    inline _CharT 
    toupper(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).toupper(__c); }

  template<typename _CharT>
    inline _CharT 
    tolower(_CharT __c, const locale& __loc)
    { return use_facet<ctype<_CharT> >(__loc).tolower(__c); }
} // namespace std

#endif	/* _CPP_BITS_LOCFACETS_H */

// Local Variables:
// mode:c++
// End: