locale_facets.tcc

mingw32.rar

	    string_type __res;
	    __res.reserve(2 * __len);
	    
	    const size_type __width = static_cast<size_type>(__io.width());  
	    const bool __testipad = (__f == ios_base::internal
				     && __len < __width);
	    // Fit formatted digits into the required pattern.
	    for (int __i = 0; __i < 4; ++__i)
	      {
		const part __which = static_cast<part>(__p.field[__i]);
		switch (__which)
		  {
		  case money_base::symbol:
		    if (__io.flags() & ios_base::showbase)
		      __res.append(__lc->_M_curr_symbol,
				   __lc->_M_curr_symbol_size);
		    break;
		  case money_base::sign:
		    // Sign might not exist, or be more than one
		    // charater long. In that case, add in the rest
		    // below.
		    if (__sign_size)
		      __res += __sign[0];
		    break;
		  case money_base::value:
		    __res += __value;
		    break;
		  case money_base::space:
		    // At least one space is required, but if internal
		    // formatting is required, an arbitrary number of
		    // fill spaces will be necessary.
		    if (__testipad)
		      __res.append(__width - __len, __fill);
		    else
		      __res += __fill;
		    break;
		  case money_base::none:
		    if (__testipad)
		      __res.append(__width - __len, __fill);
		    break;
		  }
	      }
	    
	    // Special case of multi-part sign parts.
	    if (__sign_size > 1)
	      __res.append(__sign + 1, __sign_size - 1);
	    
	    // Pad, if still necessary.
	    __len = __res.size();
	    if (__width > __len)
	      {
		if (__f == ios_base::left)
		  // After.
		  __res.append(__width - __len, __fill);
		else
		  // Before.
		  __res.insert(0, __width - __len, __fill);
		__len = __width;
	      }
	    
	    // Write resulting, fully-formatted string to output iterator.
	    __s = std::__write(__s, __res.data(), __len);
	  }
	__io.width(0);
	return __s;    
      }
  
  template<typename _CharT, typename _OutIter>
    _OutIter
    money_put<_CharT, _OutIter>::
    do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
	   long double __units) const
    {
      const locale __loc = __io.getloc();
      const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
#ifdef  _GLIBCXX_NO_LONG_DOUBLE_IO
      double __dunits = static_cast<double>(__units);
#ifdef _GLIBCXX_USE_C99
      // First try a buffer perhaps big enough.
      int __cs_size = 64;
      char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // 328. Bad sprintf format modifier in money_put<>::do_put()
      int __len = std::__convert_from_v(__cs, __cs_size, "%.0f", __dunits,
					_S_get_c_locale(), 0);
      // If the buffer was not large enough, try again with the correct size.
      if (__len >= __cs_size)
	{
	  __cs_size = __len + 1;
	  __cs = static_cast<char*>(__builtin_alloca(__cs_size));
	  __len = std::__convert_from_v(__cs, __cs_size, "%.*f", __dunits,
					_S_get_c_locale(), 0);
	}
#else
      // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
      const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
      char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
      int __len = std::__convert_from_v(__cs, 0, "%.*f", __dunits,
					_S_get_c_locale(), 0);
#endif
#else // _GLIBCXX_NO_LONG_DOUBLE_IO
#ifdef _GLIBCXX_USE_C99
      // First try a buffer perhaps big enough.
      int __cs_size = 64;
      char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // 328. Bad sprintf format modifier in money_put<>::do_put()
      int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
					_S_get_c_locale(), 0);
      // If the buffer was not large enough, try again with the correct size.
      if (__len >= __cs_size)
	{
	  __cs_size = __len + 1;
	  __cs = static_cast<char*>(__builtin_alloca(__cs_size));
	  __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
					_S_get_c_locale(), 0);
	}
#else
      // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
      const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
      char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
      int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units,
					_S_get_c_locale(), 0);
#endif
#endif  // _GLIBCXX_NO_LONG_DOUBLE_IO
      _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
							   * __cs_size));
      __ctype.widen(__cs, __cs + __len, __ws);
      const string_type __digits(__ws, __len);
      return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
	            : _M_insert<false>(__s, __io, __fill, __digits);
    }

  template<typename _CharT, typename _OutIter>
    _OutIter
    money_put<_CharT, _OutIter>::
    do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
	   const string_type& __digits) const
    { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
	            : _M_insert<false>(__s, __io, __fill, __digits); }


  // NB: Not especially useful. Without an ios_base object or some
  // kind of locale reference, we are left clawing at the air where
  // the side of the mountain used to be...
  template<typename _CharT, typename _InIter>
    time_base::dateorder
    time_get<_CharT, _InIter>::do_date_order() const
    { return time_base::no_order; }

  // Expand a strftime format string and parse it.  E.g., do_get_date() may
  // pass %m/%d/%Y => extracted characters.
  template<typename _CharT, typename _InIter>
    _InIter
    time_get<_CharT, _InIter>::
    _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
			  ios_base::iostate& __err, tm* __tm,
			  const _CharT* __format) const
    {
      const locale& __loc = __io._M_getloc();
      const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
      const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
      const size_t __len = char_traits<_CharT>::length(__format);

      for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
	{
	  if (__ctype.narrow(__format[__i], 0) == '%')
	    {
	      // Verify valid formatting code, attempt to extract.
	      char __c = __ctype.narrow(__format[++__i], 0);
	      int __mem = 0;
	      if (__c == 'E' || __c == 'O')
		__c = __ctype.narrow(__format[++__i], 0);
	      switch (__c)
		{
		  const char* __cs;
		  _CharT __wcs[10];
		case 'a':
		  // Abbreviated weekday name [tm_wday]
		  const char_type*  __days1[7];
		  __tp._M_days_abbreviated(__days1);
		  __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
					  7, __io, __err);
		  break;
		case 'A':
		  // Weekday name [tm_wday].
		  const char_type*  __days2[7];
		  __tp._M_days(__days2);
		  __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
					  7, __io, __err);
		  break;
		case 'h':
		case 'b':
		  // Abbreviated month name [tm_mon]
		  const char_type*  __months1[12];
		  __tp._M_months_abbreviated(__months1);
		  __beg = _M_extract_name(__beg, __end, __tm->tm_mon, 
					  __months1, 12, __io, __err);
		  break;
		case 'B':
		  // Month name [tm_mon].
		  const char_type*  __months2[12];
		  __tp._M_months(__months2);
		  __beg = _M_extract_name(__beg, __end, __tm->tm_mon, 
					  __months2, 12, __io, __err);
		  break;
		case 'c':
		  // Default time and date representation.
		  const char_type*  __dt[2];
		  __tp._M_date_time_formats(__dt);
		  __beg = _M_extract_via_format(__beg, __end, __io, __err, 
						__tm, __dt[0]);
		  break;
		case 'd':
		  // Day [01, 31]. [tm_mday]
		  __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
					 __io, __err);
		  break;
		case 'e':
		  // Day [1, 31], with single digits preceded by
		  // space. [tm_mday]
		  if (__ctype.is(ctype_base::space, *__beg))
		    __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
					   1, __io, __err);
		  else
		    __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
					   2, __io, __err);
		  break;
		case 'D':
		  // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
		  __cs = "%m/%d/%y";
		  __ctype.widen(__cs, __cs + 9, __wcs);
		  __beg = _M_extract_via_format(__beg, __end, __io, __err, 
						__tm, __wcs);
		  break;
		case 'H':
		  // Hour [00, 23]. [tm_hour]
		  __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
					 __io, __err);
		  break;
		case 'I':
		  // Hour [01, 12]. [tm_hour]
		  __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
					 __io, __err);
		  break;
		case 'm':
		  // Month [01, 12]. [tm_mon]
		  __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2, 
					 __io, __err);
		  if (!__err)
		    __tm->tm_mon = __mem - 1;
		  break;
		case 'M':
		  // Minute [00, 59]. [tm_min]
		  __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
					 __io, __err);
		  break;
		case 'n':
		  if (__ctype.narrow(*__beg, 0) == '\n')
		    ++__beg;
		  else
		    __err |= ios_base::failbit;
		  break;
		case 'R':
		  // Equivalent to (%H:%M).
		  __cs = "%H:%M";
		  __ctype.widen(__cs, __cs + 6, __wcs);
		  __beg = _M_extract_via_format(__beg, __end, __io, __err, 
						__tm, __wcs);
		  break;
		case 'S':
		  // Seconds.
		  __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 59, 2,
					 __io, __err);
		  break;
		case 't':
		  if (__ctype.narrow(*__beg, 0) == '\t')
		    ++__beg;
		  else
		    __err |= ios_base::failbit;
		  break;
		case 'T':
		  // Equivalent to (%H:%M:%S).
		  __cs = "%H:%M:%S";
		  __ctype.widen(__cs, __cs + 9, __wcs);
		  __beg = _M_extract_via_format(__beg, __end, __io, __err, 
						__tm, __wcs);
		  break;
		case 'x':
		  // Locale's date.
		  const char_type*  __dates[2];
		  __tp._M_date_formats(__dates);
		  __beg = _M_extract_via_format(__beg, __end, __io, __err, 
						__tm, __dates[0]);
		  break;
		case 'X':
		  // Locale's time.
		  const char_type*  __times[2];
		  __tp._M_time_formats(__times);
		  __beg = _M_extract_via_format(__beg, __end, __io, __err, 
						__tm, __times[0]);
		  break;
		case 'y':
		case 'C': // C99
		  // Two digit year. [tm_year]
		  __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
					 __io, __err);
		  break;
		case 'Y':
		  // Year [1900). [tm_year]
		  __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
					 __io, __err);
		  if (!__err)
		    __tm->tm_year = __mem - 1900;
		  break;
		case 'Z':
		  // Timezone info.
		  if (__ctype.is(ctype_base::upper, *__beg))
		    {
		      int __tmp;
		      __beg = _M_extract_name(__beg, __end, __tmp,
				       __timepunct_cache<_CharT>::_S_timezones,
					      14, __io, __err);

		      // GMT requires special effort.
		      if (__beg != __end && !__err && __tmp == 0
			  && (*__beg == __ctype.widen('-')
			      || *__beg == __ctype.widen('+')))
			{
			  __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
						 __io, __err);
			  __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
						 __io, __err);
			}
		    }
		  else
		    __err |= ios_base::failbit;
		  break;
		default:
		  // Not recognized.
		  __err |= ios_base::failbit;
		}
	    }
	  else
	    {
	      // Verify format and input match, extract and discard.
	      if (__format[__i] == *__beg)
		++__beg;
	      else
		__err |= ios_base::failbit;
	    }
	}
      return __beg;
    }

  template<typename _CharT, typename _InIter>
    _InIter
    time_get<_CharT, _InIter>::
    _M_extract_num(iter_type __beg, iter_type __end, int& __member,
		   int __min, int __max, size_t __len,
		   ios_base& __io, ios_base::iostate& __err) const
    {
      const locale& __loc = __io._M_getloc();
      const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);

      // As-is works for __len = 1, 2, 4, the values actually used.
      int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);

      ++__min;
      size_t __i = 0;
      int __value = 0;
      for (; __beg != __end && __i < __len; ++__beg, ++__i)
	{
	  const char __c = __ctype.narrow(*__beg, '*');
	  if (__c >= '0' && __c <= '9')
	    {
	      __value = __value * 10 + (__c - '0');
	      const int __valuec = __value * __mult;
	      if (__valuec > __max || __valuec + __mult < __min)
		break;
	      __mult /= 10;
	    }
	  else
	    break;
	}
      if (__i == __len)
	__member = __value;
      else
	__err |= ios_base::failbit;
      return __beg;
    }

  // Assumptions:
  // All elements in __names are unique.
  template<typename _CharT, typename _InIter>
    _InIter
    time_get<_CharT, _InIter>::
    _M_extract_name(iter_type __beg, iter_type __end, int& __member,
		    const _CharT** __names, size_t __indexlen,
		    ios_base& __io, ios_base::iostate& __err) const
    {
      typedef char_traits<_CharT>		__traits_type;
      const locale& __loc = __io._M_getloc();