locale_facets.h

俄罗斯高人Mamaich的Pocket gcc编译器（运行在PocketPC上）的全部源代码。

  protected:
      virtual
      ~collate() 
      { _S_destroy_c_locale(_M_c_locale_collate); }

      virtual int  
      do_compare(const _CharT* __lo1, const _CharT* __hi1,
		 const _CharT* __lo2, const _CharT* __hi2) const;

      virtual string_type 
      do_transform(const _CharT* __lo, const _CharT* __hi) const;

      virtual long   
      do_hash(const _CharT* __lo, const _CharT* __hi) const;
    };

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

  // Specializations.
  template<>
    int 
    collate<char>::_M_compare(const char*, const char*) const;

  template<>
    size_t
    collate<char>::_M_transform(char*, const char*, size_t) const;

#ifdef _GLIBCPP_USE_WCHAR_T
  template<>
    int 
    collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const;

  template<>
    size_t
    collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const;
#endif

  template<typename _CharT>
    class collate_byname : public collate<_CharT>
    {
    public:
      typedef _CharT               char_type;
      typedef basic_string<_CharT> string_type;

      explicit 
      collate_byname(const char* __s, size_t __refs = 0)
      : collate<_CharT>(__refs) 
      { 
	_S_destroy_c_locale(_M_c_locale_collate);
	_S_create_c_locale(_M_c_locale_collate, __s); 
      }

    protected:
      virtual   
      ~collate_byname() { }
    };


  class time_base
  {
  public:
    enum dateorder { no_order, dmy, mdy, ymd, ydm };
  };

  template<typename _CharT>
    class __timepunct : public locale::facet
    {
    public:
      // Types:
      typedef _CharT          		__char_type;
      typedef basic_string<_CharT> 	__string_type;

      static locale::id 		id;

      // List of all known timezones, with GMT first.
      static const _CharT* 		_S_timezones[14];

    protected:
      __c_locale			_M_c_locale_timepunct;
      char*				_M_name_timepunct;
      const _CharT* 			_M_date_format;
      const _CharT* 			_M_date_era_format;
      const _CharT* 			_M_time_format;
      const _CharT* 			_M_time_era_format;
      const _CharT*			_M_date_time_format;
      const _CharT*			_M_date_time_era_format;
      const _CharT* 			_M_am;
      const _CharT* 			_M_pm;
      const _CharT*			_M_am_pm_format;

      // Day names, starting with "C"'s Sunday.
      const _CharT*  			_M_day1;
      const _CharT*  			_M_day2;
      const _CharT*  			_M_day3;
      const _CharT*  			_M_day4;
      const _CharT*  			_M_day5;
      const _CharT*  			_M_day6;
      const _CharT*  			_M_day7;

      // Abbreviated day names, starting with "C"'s Sun.
      const _CharT*  			_M_day_a1;
      const _CharT*  			_M_day_a2;
      const _CharT*  			_M_day_a3;
      const _CharT*  			_M_day_a4;
      const _CharT*  			_M_day_a5;
      const _CharT*  			_M_day_a6;
      const _CharT*  			_M_day_a7;

      // Month names, starting with "C"'s January.
      const _CharT*  			_M_month01;
      const _CharT*  			_M_month02;
      const _CharT*  			_M_month03;
      const _CharT*  			_M_month04;
      const _CharT*  			_M_month05;
      const _CharT*  			_M_month06;
      const _CharT*  			_M_month07;
      const _CharT*  			_M_month08;
      const _CharT*  			_M_month09;
      const _CharT*  			_M_month10;
      const _CharT*  			_M_month11;
      const _CharT*  			_M_month12;

      // Abbreviated month names, starting with "C"'s Jan.
      const _CharT*  			_M_month_a01;
      const _CharT*  			_M_month_a02;
      const _CharT*  			_M_month_a03;
      const _CharT*  			_M_month_a04;
      const _CharT*  			_M_month_a05;
      const _CharT*  			_M_month_a06;
      const _CharT*  			_M_month_a07;
      const _CharT*  			_M_month_a08;
      const _CharT*  			_M_month_a09;
      const _CharT*  			_M_month_a10;
      const _CharT*  			_M_month_a11;
      const _CharT*  			_M_month_a12;

    public:
      explicit 
      __timepunct(size_t __refs = 0);

      explicit 
      __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0);

      void
      _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format, 
	     const tm* __tm) const;

      void
      _M_date_formats(const _CharT** __date) const
      {
	// Always have default first.
	__date[0] = _M_date_format;
	__date[1] = _M_date_era_format;	
      }

      void
      _M_time_formats(const _CharT** __time) const
      {
	// Always have default first.
	__time[0] = _M_time_format;
	__time[1] = _M_time_era_format;	
      }

      void
      _M_ampm(const _CharT** __ampm) const
      { 
	__ampm[0] = _M_am;
	__ampm[1] = _M_pm;
      }      

      void
      _M_date_time_formats(const _CharT** __dt) const
      {
	// Always have default first.
	__dt[0] = _M_date_time_format;
	__dt[1] = _M_date_time_era_format;	
      }

      void
      _M_days(const _CharT** __days) const
      { 
	__days[0] = _M_day1;
	__days[1] = _M_day2;
	__days[2] = _M_day3;
	__days[3] = _M_day4;
	__days[4] = _M_day5;
	__days[5] = _M_day6;
	__days[6] = _M_day7;
      }

      void
      _M_days_abbreviated(const _CharT** __days) const
      { 
	__days[0] = _M_day_a1;
	__days[1] = _M_day_a2;
	__days[2] = _M_day_a3;
	__days[3] = _M_day_a4;
	__days[4] = _M_day_a5;
	__days[5] = _M_day_a6;
	__days[6] = _M_day_a7;
      }

      void
      _M_months(const _CharT** __months) const
      { 
	__months[0] = _M_month01;
	__months[1] = _M_month02;
	__months[2] = _M_month03;
	__months[3] = _M_month04;
	__months[4] = _M_month05;
	__months[5] = _M_month06;
	__months[6] = _M_month07;
	__months[7] = _M_month08;
	__months[8] = _M_month09;
	__months[9] = _M_month10;
	__months[10] = _M_month11;
	__months[11] = _M_month12;
      }

      void
      _M_months_abbreviated(const _CharT** __months) const
      { 
	__months[0] = _M_month_a01;
	__months[1] = _M_month_a02;
	__months[2] = _M_month_a03;
	__months[3] = _M_month_a04;
	__months[4] = _M_month_a05;
	__months[5] = _M_month_a06;
	__months[6] = _M_month_a07;
	__months[7] = _M_month_a08;
	__months[8] = _M_month_a09;
	__months[9] = _M_month_a10;
	__months[10] = _M_month_a11;
	__months[11] = _M_month_a12;
      }

    protected:
      virtual 
      ~__timepunct();

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

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

  // Specializations.
  template<> 
    const char*
    __timepunct<char>::_S_timezones[14];

  template<> 
    void
    __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc);

  template<>
    void
    __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const;

#ifdef _GLIBCPP_USE_WCHAR_T
  template<> 
    const wchar_t*
    __timepunct<wchar_t>::_S_timezones[14];

  template<> 
    void
    __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc);

  template<>
    void
    __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*, 
				 const tm*) const;
#endif

  // Generic.
  template<typename _CharT>
    const _CharT* __timepunct<_CharT>::_S_timezones[14];

  // Include host and configuration specific timepunct functions.
  #include <bits/time_members.h>

  template<typename _CharT, typename _InIter>
    class time_get : public locale::facet, public time_base
    {
    public:
      // Types:
      typedef _CharT     		char_type;
      typedef _InIter    		iter_type;
      typedef basic_string<_CharT> 	__string_type;

      static locale::id 		id;

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

      dateorder 
      date_order()  const
      { return this->do_date_order(); }

      iter_type 
      get_time(iter_type __beg, iter_type __end, ios_base& __io, 
	       ios_base::iostate& __err, tm* __tm)  const
      { return this->do_get_time(__beg, __end, __io, __err, __tm); }

      iter_type 
      get_date(iter_type __beg, iter_type __end, ios_base& __io,
	       ios_base::iostate& __err, tm* __tm)  const
      { return this->do_get_date(__beg, __end, __io, __err, __tm); }

      iter_type 
      get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
		  ios_base::iostate& __err, tm* __tm) const
      { return this->do_get_weekday(__beg, __end, __io, __err, __tm); }

      iter_type 
      get_monthname(iter_type __beg, iter_type __end, ios_base& __io, 
		    ios_base::iostate& __err, tm* __tm) const
      { return this->do_get_monthname(__beg, __end, __io, __err, __tm); }

      iter_type 
      get_year(iter_type __beg, iter_type __end, ios_base& __io,
	       ios_base::iostate& __err, tm* __tm) const
      { return this->do_get_year(__beg, __end, __io, __err, __tm); }

    protected:
      virtual 
      ~time_get() { }

      virtual dateorder 
      do_date_order() const;

      virtual iter_type 
      do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
		  ios_base::iostate& __err, tm* __tm) const;

      virtual iter_type 
      do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
		  ios_base::iostate& __err, tm* __tm) const;

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

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

      virtual iter_type 
      do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
		  ios_base::iostate& __err, tm* __tm) const;

      // Extract numeric component of length __len.
      void
      _M_extract_num(iter_type& __beg, iter_type& __end, int& __member,
		     int __min, int __max, size_t __len,
		     const ctype<_CharT>& __ctype, 
		     ios_base::iostate& __err) const;
      
      // Extract day or month name, or any unique array of string
      // literals in a const _CharT* array.
      void
      _M_extract_name(iter_type& __beg, iter_type& __end, int& __member,
		      const _CharT** __names, size_t __indexlen, 
		      ios_base::iostate& __err) const;

      // Extract on a component-by-component basis, via __format argument.
      void
      _M_extract_via_format(iter_type& __beg, iter_type& __end, ios_base& __io,
			    ios_base::iostate& __err, tm* __tm, 
			    const _CharT* __format) const;
    };

  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:
      // Types:
      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:
      // Types:
      typedef _CharT     		char_type;
      typedef _OutIter   		iter_type;

      static locale::id 	     	id;

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

      iter_type 
      put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, 
	  const _CharT* __beg, const _CharT* __end) const;

      iter_type 
      put(iter_type __s, ios_base& __io, char_type __fill,
	  const tm* __tm, char __format, char __mod = 0) const
      { return this->do_put(__s, __io, __fill, __tm, __format, __mod); }

    protected:
      virtual 
      ~time_put()
      { }

      virtual iter_type 
      do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, 
	     char __format, char __mod) const;
    };

  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:
      // Types:
      typedef _CharT     		char_type;
      typedef _OutIter   		iter_type;

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

    protected:
      virtual 
      ~time_put_byname() { }
    };


  class money_base
  {
  public:
    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 __precedes, 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:
      const char* 			_M_grouping;
      char_type 			_M_decimal_point;
      char_type 			_M_thousands_sep;
      const char_type* 			_M_curr_symbol;
      const char_type*			_M_positive_sign;
      const char_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, const char* __s, size_t __refs = 0) 
      : locale::facet(__refs)
      { _M_initialize_moneypunct(__cloc, __s); }

      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(); }