locale_facets.tcc

openRisc2000编译链接器等,用于i386 cygwin

					_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
      _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. [tm_sec]
		  // [00, 60] in C99 (one leap-second), [00, 61] in C89.
#ifdef _GLIBCXX_USE_C99
		  __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
#else
		  __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
#endif
					 __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();
      const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);

      int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
							  * __indexlen));
      size_t __nmatches = 0;
      size_t __pos = 0;
      bool __testvalid = true;
      const char_type* __name;

      // Look for initial matches.
      // NB: Some of the locale data is in the form of all lowercase
      // names, and some is in the form of initially-capitalized
      // names. Look for both.
      if (__beg != __end)
	{
	  const char_type __c = *__beg;
	  for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
	    if (__c == __names[__i1][0]
		|| __c == __ctype.toupper(__names[__i1][0]))
	      __matches[__nmatches++] = __i1;
	}

      while (__nmatches > 1)
	{
	  // Find smallest matching string.
	  size_t __minlen = __traits_type::length(__names[__matches[0]]);
	  for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
	    __minlen = std::min(__minlen,
			      __traits_type::length(__names[__matches[__i2]]));
	  ++__beg, ++__pos;
	  if (__pos < __minlen && __beg != __end)
	    for (size_t __i3 = 0; __i3 < __nmatches;)
	      {
		__name = __names[__matches[__i3]];
		if (__name[__pos] != *__beg)
		  __matches[__i3] = __matches[--__nmatches];
		else
		  ++__i3;
	      }
	  else
	    break;
	}

      if (__nmatches == 1)
	{
	  // Make sure found name is completely extracted.
	  ++__beg, ++__pos;
	  __name = __names[__matches[0]];
	  const size_t __len = __traits_type::length(__name);
	  while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
	    ++__beg, ++__pos;

	  if (__len == __pos)
	    __member = __matches[0];
	  else
	    __testvalid = false;
	}
      else
	__testvalid = false;
      if (!__testvalid)
	__err |= ios_base::failbit;
      return __beg;
    }

  template<typename _CharT, typename _InIter>
    _InIter
    time_get<_CharT, _InIter>::
    do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
		ios_base::iostate& __err, tm* __tm) const
    {
      const locale& __loc = __io._M_getloc();
      const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
      const char_type*  __times[2];
      __tp._M_time_formats(__times);
      __beg = _M_extract_via_format(__beg, __end, __io, __err, 
				    __tm, __times[0]);
      if (__beg == __end)
	__err |= ios_base::eofbit;
      return __beg;
    }

  template<typename _CharT, typename _InIter>
    _InIter
    time_get<_CharT, _InIter>::
    do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
		ios_base::iostate& __err, tm* __tm) const
    {
      const locale& __loc = __io._M_getloc();
      const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
      const char_type*  __dates[2];
      __tp._M_date_formats(__dates);
      __beg = _M_extract_via_format(__beg, __end, __io, __err,
				    __tm, __dates[0]);
      if (__beg == __end)
	__err |= ios_base::eofbit;
      return __beg;
    }

  template<typename _CharT, typename _InIter>
    _InIter
    time_get<_CharT, _InIter>::
    do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
		   ios_base::iostate& __err, tm* __tm) const
    {
      typedef char_traits<_CharT>		__traits_type;
      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 char_type*  __days[7];
      __tp._M_days_abbreviated(__days);
      int __tmpwday;
      __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);

      // Check to see if non-abbreviated name exists, and extract.
      // NB: Assumes both _M_days and _M_days_abbreviated organized in
      // exact same order, first to last, such that the resulting
      // __days array with the same index points to a day, and that