// Locale support -*- C++ -*-
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2008, 2009
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
-// Warning: this file is not meant for user inclusion. Use <locale>.
+/** @file locale_facets.tcc
+ * This is an internal header file, included by other library headers.
+ * You should not attempt to use it directly.
+ */
-#ifndef _CPP_BITS_LOCFACETS_TCC
-#define _CPP_BITS_LOCFACETS_TCC 1
+#ifndef _LOCALE_FACETS_TCC
+#define _LOCALE_FACETS_TCC 1
#pragma GCC system_header
-#include <cerrno>
-#include <clocale> // For localeconv
-#include <cstdlib> // For strof, strtold
-#include <cmath> // For ceil
-#include <cctype> // For isspace
-#include <limits> // For numeric_limits
-#include <bits/streambuf_iterator.h>
-#include <typeinfo> // For bad_cast.
-
-namespace std
-{
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
+ // Routine to access a cache for the facet. If the cache didn't
+ // exist before, it gets constructed on the fly.
template<typename _Facet>
- locale
- locale::combine(const locale& __other) const
+ struct __use_cache
{
- _Impl* __tmp = new _Impl(*_M_impl, 1);
- __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
- return locale(__tmp);
- }
+ const _Facet*
+ operator() (const locale& __loc) const;
+ };
- template<typename _CharT, typename _Traits, typename _Alloc>
- bool
- locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
- const basic_string<_CharT, _Traits, _Alloc>& __s2) const
+ // Specializations.
+ template<typename _CharT>
+ struct __use_cache<__numpunct_cache<_CharT> >
{
- typedef std::collate<_CharT> __collate_type;
- const __collate_type& __collate = use_facet<__collate_type>(*this);
- return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
- __s2.data(), __s2.data() + __s2.length()) < 0);
- }
+ const __numpunct_cache<_CharT>*
+ operator() (const locale& __loc) const
+ {
+ const size_t __i = numpunct<_CharT>::id._M_id();
+ const locale::facet** __caches = __loc._M_impl->_M_caches;
+ if (!__caches[__i])
+ {
+ __numpunct_cache<_CharT>* __tmp = NULL;
+ __try
+ {
+ __tmp = new __numpunct_cache<_CharT>;
+ __tmp->_M_cache(__loc);
+ }
+ __catch(...)
+ {
+ delete __tmp;
+ __throw_exception_again;
+ }
+ __loc._M_impl->_M_install_cache(__tmp, __i);
+ }
+ return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
+ }
+ };
- template<typename _Facet>
- const _Facet&
- use_facet(const locale& __loc)
+ template<typename _CharT>
+ void
+ __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
{
- size_t __i = _Facet::id._M_id();
- locale::facet** __facets = __loc._M_impl->_M_facets;
- if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
- __throw_bad_cast();
- return static_cast<const _Facet&>(*__facets[__i]);
- }
+ _M_allocated = true;
- template<typename _Facet>
- bool
- has_facet(const locale& __loc) throw()
- {
- size_t __i = _Facet::id._M_id();
- locale::facet** __facets = __loc._M_impl->_M_facets;
- return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+
+ _M_grouping_size = __np.grouping().size();
+ char* __grouping = new char[_M_grouping_size];
+ __np.grouping().copy(__grouping, _M_grouping_size);
+ _M_grouping = __grouping;
+ _M_use_grouping = (_M_grouping_size
+ && static_cast<signed char>(_M_grouping[0]) > 0
+ && (_M_grouping[0]
+ != __gnu_cxx::__numeric_traits<char>::__max));
+
+ _M_truename_size = __np.truename().size();
+ _CharT* __truename = new _CharT[_M_truename_size];
+ __np.truename().copy(__truename, _M_truename_size);
+ _M_truename = __truename;
+
+ _M_falsename_size = __np.falsename().size();
+ _CharT* __falsename = new _CharT[_M_falsename_size];
+ __np.falsename().copy(__falsename, _M_falsename_size);
+ _M_falsename = __falsename;
+
+ _M_decimal_point = __np.decimal_point();
+ _M_thousands_sep = __np.thousands_sep();
+
+ const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
+ __ct.widen(__num_base::_S_atoms_out,
+ __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
+ __ct.widen(__num_base::_S_atoms_in,
+ __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
}
+ // Used by both numeric and monetary facets.
+ // Check to make sure that the __grouping_tmp string constructed in
+ // money_get or num_get matches the canonical grouping for a given
+ // locale.
+ // __grouping_tmp is parsed L to R
+ // 1,222,444 == __grouping_tmp of "\1\3\3"
+ // __grouping is parsed R to L
+ // 1,222,444 == __grouping of "\3" == "\3\3\3"
+ bool
+ __verify_grouping(const char* __grouping, size_t __grouping_size,
+ const string& __grouping_tmp);
+
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
- // Stage 1: Determine a conversion specifier.
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
_M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
ios_base::iostate& __err, string& __xtrc) const
{
- typedef char_traits<_CharT> __traits_type;
- const locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+ typedef char_traits<_CharT> __traits_type;
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
+ const _CharT* __lit = __lc->_M_atoms_in;
+ char_type __c = char_type();
+
+ // True if __beg becomes equal to __end.
+ bool __testeof = __beg == __end;
// First check for sign.
- const char_type __plus = __ctype.widen('+');
- const char_type __minus = __ctype.widen('-');
- int __pos = 0;
- char_type __c = *__beg;
- if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus))
- && __beg != __end)
+ if (!__testeof)
{
- __xtrc += __ctype.narrow(__c, char());
- ++__pos;
- __c = *(++__beg);
+ __c = *__beg;
+ const bool __plus = __c == __lit[__num_base::_S_iplus];
+ if ((__plus || __c == __lit[__num_base::_S_iminus])
+ && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+ && !(__c == __lc->_M_decimal_point))
+ {
+ __xtrc += __plus ? '+' : '-';
+ if (++__beg != __end)
+ __c = *__beg;
+ else
+ __testeof = true;
+ }
}
- // Next, strip leading zeros.
- const char_type __zero = __ctype.widen(_S_atoms[_M_zero]);
- bool __found_zero = false;
- while (__traits_type::eq(__c, __zero) && __beg != __end)
- {
- __c = *(++__beg);
- __found_zero = true;
- }
- if (__found_zero)
+ // Next, look for leading zeros.
+ bool __found_mantissa = false;
+ int __sep_pos = 0;
+ while (!__testeof)
{
- __xtrc += _S_atoms[_M_zero];
- ++__pos;
+ if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+ || __c == __lc->_M_decimal_point)
+ break;
+ else if (__c == __lit[__num_base::_S_izero])
+ {
+ if (!__found_mantissa)
+ {
+ __xtrc += '0';
+ __found_mantissa = true;
+ }
+ ++__sep_pos;
+
+ if (++__beg != __end)
+ __c = *__beg;
+ else
+ __testeof = true;
+ }
+ else
+ break;
}
// Only need acceptable digits for floating point numbers.
- const size_t __len = _M_E - _M_zero + 1;
- char_type __watoms[__len];
- __ctype.widen(_S_atoms, _S_atoms + __len, __watoms);
bool __found_dec = false;
bool __found_sci = false;
- const char_type __dec = __np.decimal_point();
-
string __found_grouping;
- const string __grouping = __np.grouping();
- bool __check_grouping = __grouping.size();
- int __sep_pos = 0;
- const char_type __sep = __np.thousands_sep();
+ if (__lc->_M_use_grouping)
+ __found_grouping.reserve(32);
+ const char_type* __lit_zero = __lit + __num_base::_S_izero;
- while (__beg != __end)
- {
- // Only look in digits.
- const char_type* __p = __traits_type::find(__watoms, 10, __c);
+ if (!__lc->_M_allocated)
+ // "C" locale
+ while (!__testeof)
+ {
+ const int __digit = _M_find(__lit_zero, 10, __c);
+ if (__digit != -1)
+ {
+ __xtrc += '0' + __digit;
+ __found_mantissa = true;
+ }
+ else if (__c == __lc->_M_decimal_point
+ && !__found_dec && !__found_sci)
+ {
+ __xtrc += '.';
+ __found_dec = true;
+ }
+ else if ((__c == __lit[__num_base::_S_ie]
+ || __c == __lit[__num_base::_S_iE])
+ && !__found_sci && __found_mantissa)
+ {
+ // Scientific notation.
+ __xtrc += 'e';
+ __found_sci = true;
+
+ // Remove optional plus or minus sign, if they exist.
+ if (++__beg != __end)
+ {
+ __c = *__beg;
+ const bool __plus = __c == __lit[__num_base::_S_iplus];
+ if (__plus || __c == __lit[__num_base::_S_iminus])
+ __xtrc += __plus ? '+' : '-';
+ else
+ continue;
+ }
+ else
+ {
+ __testeof = true;
+ break;
+ }
+ }
+ else
+ break;
- // NB: strchr returns true for __c == 0x0
- if (__p && !__traits_type::eq(__c, char_type()))
- {
- // Try first for acceptable digit; record it if found.
- ++__pos;
- __xtrc += _S_atoms[__p - __watoms];
- ++__sep_pos;
- __c = *(++__beg);
- }
- else if (__traits_type::eq(__c, __sep)
- && __check_grouping && !__found_dec)
- {
- // NB: Thousands separator at the beginning of a string
- // is a no-no, as is two consecutive thousands separators.
- if (__sep_pos)
- {
- __found_grouping += static_cast<char>(__sep_pos);
- __sep_pos = 0;
- __c = *(++__beg);
- }
- else
- {
- __err |= ios_base::failbit;
+ if (++__beg != __end)
+ __c = *__beg;
+ else
+ __testeof = true;
+ }
+ else
+ while (!__testeof)
+ {
+ // According to 22.2.2.1.2, p8-9, first look for thousands_sep
+ // and decimal_point.
+ if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+ {
+ if (!__found_dec && !__found_sci)
+ {
+ // NB: Thousands separator at the beginning of a string
+ // is a no-no, as is two consecutive thousands separators.
+ if (__sep_pos)
+ {
+ __found_grouping += static_cast<char>(__sep_pos);
+ __sep_pos = 0;
+ }
+ else
+ {
+ // NB: __convert_to_v will not assign __v and will
+ // set the failbit.
+ __xtrc.clear();
+ break;
+ }
+ }
+ else
break;
- }
- }
- else if (__traits_type::eq(__c, __dec) && !__found_dec)
- {
- // According to the standard, if no grouping chars are seen,
- // no grouping check is applied. Therefore __found_grouping
- // must be adjusted only if __dec comes after some __sep.
- if (__found_grouping.size())
- __found_grouping += static_cast<char>(__sep_pos);
- ++__pos;
- __xtrc += '.';
- __c = *(++__beg);
- __found_dec = true;
- }
- else if ((__traits_type::eq(__c, __watoms[_M_e])
- || __traits_type::eq(__c, __watoms[_M_E]))
- && !__found_sci && __pos)
- {
- // Scientific notation.
- ++__pos;
- __xtrc += __ctype.narrow(__c, char());
- __c = *(++__beg);
-
- // Remove optional plus or minus sign, if they exist.
- if (__traits_type::eq(__c, __plus)
- || __traits_type::eq(__c, __minus))
- {
- ++__pos;
- __xtrc += __ctype.narrow(__c, char());
- __c = *(++__beg);
- }
- __found_sci = true;
- }
- else
- // Not a valid input item.
- break;
- }
+ }
+ else if (__c == __lc->_M_decimal_point)
+ {
+ if (!__found_dec && !__found_sci)
+ {
+ // If no grouping chars are seen, no grouping check
+ // is applied. Therefore __found_grouping is adjusted
+ // only if decimal_point comes after some thousands_sep.
+ if (__found_grouping.size())
+ __found_grouping += static_cast<char>(__sep_pos);
+ __xtrc += '.';
+ __found_dec = true;
+ }
+ else
+ break;
+ }
+ else
+ {
+ const char_type* __q =
+ __traits_type::find(__lit_zero, 10, __c);
+ if (__q)
+ {
+ __xtrc += '0' + (__q - __lit_zero);
+ __found_mantissa = true;
+ ++__sep_pos;
+ }
+ else if ((__c == __lit[__num_base::_S_ie]
+ || __c == __lit[__num_base::_S_iE])
+ && !__found_sci && __found_mantissa)
+ {
+ // Scientific notation.
+ if (__found_grouping.size() && !__found_dec)
+ __found_grouping += static_cast<char>(__sep_pos);
+ __xtrc += 'e';
+ __found_sci = true;
+
+ // Remove optional plus or minus sign, if they exist.
+ if (++__beg != __end)
+ {
+ __c = *__beg;
+ const bool __plus = __c == __lit[__num_base::_S_iplus];
+ if ((__plus || __c == __lit[__num_base::_S_iminus])
+ && !(__lc->_M_use_grouping
+ && __c == __lc->_M_thousands_sep)
+ && !(__c == __lc->_M_decimal_point))
+ __xtrc += __plus ? '+' : '-';
+ else
+ continue;
+ }
+ else
+ {
+ __testeof = true;
+ break;
+ }
+ }
+ else
+ break;
+ }
+
+ if (++__beg != __end)
+ __c = *__beg;
+ else
+ __testeof = true;
+ }
// Digit grouping is checked. If grouping and found_grouping don't
// match, then get very very upset, and set failbit.
- if (__check_grouping && __found_grouping.size())
+ if (__found_grouping.size())
{
- // Add the ending grouping if a decimal wasn't found.
- if (!__found_dec)
+ // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
+ if (!__found_dec && !__found_sci)
__found_grouping += static_cast<char>(__sep_pos);
- if (!__verify_grouping(__grouping, __found_grouping))
- __err |= ios_base::failbit;
+
+ if (!std::__verify_grouping(__lc->_M_grouping,
+ __lc->_M_grouping_size,
+ __found_grouping))
+ __err = ios_base::failbit;
}
- // Finish up
- __xtrc += char();
- if (__beg == __end)
- __err |= ios_base::eofbit;
return __beg;
}
- // Stage 1: Determine a conversion specifier.
template<typename _CharT, typename _InIter>
- _InIter
- num_get<_CharT, _InIter>::
- _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
- ios_base::iostate& __err, string& __xtrc, int& __base) const
- {
- typedef char_traits<_CharT> __traits_type;
- const locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
-
- // NB: Iff __basefield == 0, this can change based on contents.
- ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
- if (__basefield == ios_base::oct)
- __base = 8;
- else if (__basefield == ios_base::hex)
- __base = 16;
- else
- __base = 10;
-
- // First check for sign.
- int __pos = 0;
- char_type __c = *__beg;
- const char_type __plus = __ctype.widen('+');
- const char_type __minus = __ctype.widen('-');
+ template<typename _ValueT>
+ _InIter
+ num_get<_CharT, _InIter>::
+ _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
+ ios_base::iostate& __err, _ValueT& __v) const
+ {
+ typedef char_traits<_CharT> __traits_type;
+ using __gnu_cxx::__add_unsigned;
+ typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
+ const _CharT* __lit = __lc->_M_atoms_in;
+ char_type __c = char_type();
+
+ // NB: Iff __basefield == 0, __base can change based on contents.
+ const ios_base::fmtflags __basefield = __io.flags()
+ & ios_base::basefield;
+ const bool __oct = __basefield == ios_base::oct;
+ int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
+
+ // True if __beg becomes equal to __end.
+ bool __testeof = __beg == __end;
+
+ // First check for sign.
+ bool __negative = false;
+ if (!__testeof)
+ {
+ __c = *__beg;
+ __negative = __c == __lit[__num_base::_S_iminus];
+ if ((__negative || __c == __lit[__num_base::_S_iplus])
+ && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+ && !(__c == __lc->_M_decimal_point))
+ {
+ if (++__beg != __end)
+ __c = *__beg;
+ else
+ __testeof = true;
+ }
+ }
- if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus))
- && __beg != __end)
- {
- __xtrc += __ctype.narrow(__c, char());
- ++__pos;
- __c = *(++__beg);
- }
+ // Next, look for leading zeros and check required digits
+ // for base formats.
+ bool __found_zero = false;
+ int __sep_pos = 0;
+ while (!__testeof)
+ {
+ if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+ || __c == __lc->_M_decimal_point)
+ break;
+ else if (__c == __lit[__num_base::_S_izero]
+ && (!__found_zero || __base == 10))
+ {
+ __found_zero = true;
+ ++__sep_pos;
+ if (__basefield == 0)
+ __base = 8;
+ if (__base == 8)
+ __sep_pos = 0;
+ }
+ else if (__found_zero
+ && (__c == __lit[__num_base::_S_ix]
+ || __c == __lit[__num_base::_S_iX]))
+ {
+ if (__basefield == 0)
+ __base = 16;
+ if (__base == 16)
+ {
+ __found_zero = false;
+ __sep_pos = 0;
+ }
+ else
+ break;
+ }
+ else
+ break;
- // Next, strip leading zeros and check required digits for base formats.
- const char_type __zero = __ctype.widen(_S_atoms[_M_zero]);
- const char_type __x = __ctype.widen('x');
- const char_type __X = __ctype.widen('X');
- if (__base == 10)
- {
- bool __found_zero = false;
- while (__traits_type::eq(__c, __zero) && __beg != __end)
+ if (++__beg != __end)
+ {
+ __c = *__beg;
+ if (!__found_zero)
+ break;
+ }
+ else
+ __testeof = true;
+ }
+
+ // At this point, base is determined. If not hex, only allow
+ // base digits as valid input.
+ const size_t __len = (__base == 16 ? __num_base::_S_iend
+ - __num_base::_S_izero : __base);
+
+ // Extract.
+ string __found_grouping;
+ if (__lc->_M_use_grouping)
+ __found_grouping.reserve(32);
+ bool __testfail = false;
+ bool __testoverflow = false;
+ const __unsigned_type __max =
+ (__negative && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
+ ? -__gnu_cxx::__numeric_traits<_ValueT>::__min
+ : __gnu_cxx::__numeric_traits<_ValueT>::__max;
+ const __unsigned_type __smax = __max / __base;
+ __unsigned_type __result = 0;
+ int __digit = 0;
+ const char_type* __lit_zero = __lit + __num_base::_S_izero;
+
+ if (!__lc->_M_allocated)
+ // "C" locale
+ while (!__testeof)
{
- __c = *(++__beg);
- __found_zero = true;
+ __digit = _M_find(__lit_zero, __len, __c);
+ if (__digit == -1)
+ break;
+
+ if (__result > __smax)
+ __testoverflow = true;
+ else
+ {
+ __result *= __base;
+ __testoverflow |= __result > __max - __digit;
+ __result += __digit;
+ ++__sep_pos;
+ }
+
+ if (++__beg != __end)
+ __c = *__beg;
+ else
+ __testeof = true;
}
- if (__found_zero)
+ else
+ while (!__testeof)
{
- __xtrc += _S_atoms[_M_zero];
- ++__pos;
- if (__basefield == 0)
- {
- if ((__traits_type::eq(__c, __x)
- || __traits_type::eq(__c, __X))
- && __beg != __end)
+ // According to 22.2.2.1.2, p8-9, first look for thousands_sep
+ // and decimal_point.
+ if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
+ {
+ // NB: Thousands separator at the beginning of a string
+ // is a no-no, as is two consecutive thousands separators.
+ if (__sep_pos)
{
- __xtrc += __ctype.narrow(__c, char());
- ++__pos;
- __c = *(++__beg);
- __base = 16;
+ __found_grouping += static_cast<char>(__sep_pos);
+ __sep_pos = 0;
+ }
+ else
+ {
+ __testfail = true;
+ break;
}
- else
- __base = 8;
}
- }
- }
- else if (__base == 16)
- {
- if (__traits_type::eq(__c, __zero) && __beg != __end)
- {
- __xtrc += _S_atoms[_M_zero];
- ++__pos;
- __c = *(++__beg);
- if ((__traits_type::eq(__c, __x) || __traits_type::eq(__c, __X))
- && __beg != __end)
+ else if (__c == __lc->_M_decimal_point)
+ break;
+ else
{
- __xtrc += __ctype.narrow(__c, char());
- ++__pos;
- __c = *(++__beg);
+ const char_type* __q =
+ __traits_type::find(__lit_zero, __len, __c);
+ if (!__q)
+ break;
+
+ __digit = __q - __lit_zero;
+ if (__digit > 15)
+ __digit -= 6;
+ if (__result > __smax)
+ __testoverflow = true;
+ else
+ {
+ __result *= __base;
+ __testoverflow |= __result > __max - __digit;
+ __result += __digit;
+ ++__sep_pos;
+ }
}
+
+ if (++__beg != __end)
+ __c = *__beg;
+ else
+ __testeof = true;
}
- }
-
- // At this point, base is determined. If not hex, only allow
- // base digits as valid input.
- size_t __len;
- if (__base == 16)
- __len = _M_size;
- else
- __len = __base;
-
- // Extract.
- char_type __watoms[_M_size];
- __ctype.widen(_S_atoms, _S_atoms + __len, __watoms);
- string __found_grouping;
- const string __grouping = __np.grouping();
- bool __check_grouping = __grouping.size();
- int __sep_pos = 0;
- const char_type __sep = __np.thousands_sep();
- while (__beg != __end)
- {
- const char_type* __p = __traits_type::find(__watoms, __len, __c);
+
+ // Digit grouping is checked. If grouping and found_grouping don't
+ // match, then get very very upset, and set failbit.
+ if (__found_grouping.size())
+ {
+ // Add the ending grouping.
+ __found_grouping += static_cast<char>(__sep_pos);
- // NB: strchr returns true for __c == 0x0
- if (__p && !__traits_type::eq(__c, char_type()))
- {
- // Try first for acceptable digit; record it if found.
- __xtrc += _S_atoms[__p - __watoms];
- ++__pos;
- ++__sep_pos;
- __c = *(++__beg);
- }
- else if (__traits_type::eq(__c, __sep) && __check_grouping)
- {
- // NB: Thousands separator at the beginning of a string
- // is a no-no, as is two consecutive thousands separators.
- if (__sep_pos)
- {
- __found_grouping += static_cast<char>(__sep_pos);
- __sep_pos = 0;
- __c = *(++__beg);
- }
- else
- {
- __err |= ios_base::failbit;
- break;
- }
- }
- else
- // Not a valid input item.
- break;
- }
+ if (!std::__verify_grouping(__lc->_M_grouping,
+ __lc->_M_grouping_size,
+ __found_grouping))
+ __err = ios_base::failbit;
+ }
- // Digit grouping is checked. If grouping and found_grouping don't
- // match, then get very very upset, and set failbit.
- if (__check_grouping && __found_grouping.size())
- {
- // Add the ending grouping.
- __found_grouping += static_cast<char>(__sep_pos);
- if (!__verify_grouping(__grouping, __found_grouping))
- __err |= ios_base::failbit;
- }
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 23. Num_get overflow result.
+ if ((!__sep_pos && !__found_zero && !__found_grouping.size())
+ || __testfail)
+ {
+ __v = 0;
+ __err = ios_base::failbit;
+ }
+ else if (__testoverflow)
+ {
+ if (__negative
+ && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
+ __v = __gnu_cxx::__numeric_traits<_ValueT>::__min;
+ else
+ __v = __gnu_cxx::__numeric_traits<_ValueT>::__max;
+ __err = ios_base::failbit;
+ }
+ else
+ __v = __negative ? -__result : __result;
- // Finish up.
- __xtrc += char();
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return __beg;
- }
+ if (__testeof)
+ __err |= ios_base::eofbit;
+ return __beg;
+ }
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
- //17. Bad bool parsing
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 17. Bad bool parsing
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
ios_base::iostate& __err, bool& __v) const
{
- // Parse bool values as unsigned long
if (!(__io.flags() & ios_base::boolalpha))
{
+ // Parse bool values as long.
// NB: We can't just call do_get(long) here, as it might
// refer to a derived class.
- string __xtrc;
- int __base;
- __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
-
- unsigned long __ul;
- __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
- if (!(__err & ios_base::failbit) && __ul <= 1)
- __v = __ul;
- else
- __err |= ios_base::failbit;
+ long __l = -1;
+ __beg = _M_extract_int(__beg, __end, __io, __err, __l);
+ if (__l == 0 || __l == 1)
+ __v = bool(__l);
+ else
+ {
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 23. Num_get overflow result.
+ __v = true;
+ __err = ios_base::failbit;
+ if (__beg == __end)
+ __err |= ios_base::eofbit;
+ }
}
-
- // Parse bool values as alphanumeric
else
{
- typedef char_traits<_CharT> __traits_type;
- typedef basic_string<_CharT> __string_type;
-
- locale __loc = __io.getloc();
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
- const __string_type __true = __np.truename();
- const __string_type __false = __np.falsename();
- const char_type* __trues = __true.c_str();
- const char_type* __falses = __false.c_str();
- const size_t __truen = __true.size() - 1;
- const size_t __falsen = __false.size() - 1;
-
- for (size_t __n = 0; __beg != __end; ++__n)
- {
- char_type __c = *__beg++;
- bool __testf = __n <= __falsen
- ? __traits_type::eq(__c, __falses[__n]) : false;
- bool __testt = __n <= __truen
- ? __traits_type::eq(__c, __trues[__n]) : false;
- if (!(__testf || __testt))
- {
- __err |= ios_base::failbit;
- break;
- }
- else if (__testf && __n == __falsen)
- {
- __v = 0;
- break;
- }
- else if (__testt && __n == __truen)
- {
- __v = 1;
- break;
- }
- }
- if (__beg == __end)
- __err |= ios_base::eofbit;
- }
+ // Parse bool values as alphanumeric.
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
+
+ bool __testf = true;
+ bool __testt = true;
+ bool __donef = __lc->_M_falsename_size == 0;
+ bool __donet = __lc->_M_truename_size == 0;
+ bool __testeof = false;
+ size_t __n = 0;
+ while (!__donef || !__donet)
+ {
+ if (__beg == __end)
+ {
+ __testeof = true;
+ break;
+ }
+
+ const char_type __c = *__beg;
+
+ if (!__donef)
+ __testf = __c == __lc->_M_falsename[__n];
+
+ if (!__testf && __donet)
+ break;
+
+ if (!__donet)
+ __testt = __c == __lc->_M_truename[__n];
+
+ if (!__testt && __donef)
+ break;
+
+ if (!__testt && !__testf)
+ break;
+
+ ++__n;
+ ++__beg;
+
+ __donef = !__testf || __n >= __lc->_M_falsename_size;
+ __donet = !__testt || __n >= __lc->_M_truename_size;
+ }
+ if (__testf && __n == __lc->_M_falsename_size && __n)
+ {
+ __v = false;
+ if (__testt && __n == __lc->_M_truename_size)
+ __err = ios_base::failbit;
+ else
+ __err = __testeof ? ios_base::eofbit : ios_base::goodbit;
+ }
+ else if (__testt && __n == __lc->_M_truename_size && __n)
+ {
+ __v = true;
+ __err = __testeof ? ios_base::eofbit : ios_base::goodbit;
+ }
+ else
+ {
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 23. Num_get overflow result.
+ __v = false;
+ __err = ios_base::failbit;
+ if (__testeof)
+ __err |= ios_base::eofbit;
+ }
+ }
return __beg;
}
-#endif
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, long& __v) const
+ ios_base::iostate& __err, float& __v) const
{
string __xtrc;
- int __base;
- __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
- __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
+ __xtrc.reserve(32);
+ __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+ std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+ if (__beg == __end)
+ __err |= ios_base::eofbit;
return __beg;
}
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, unsigned short& __v) const
+ ios_base::iostate& __err, double& __v) const
{
string __xtrc;
- int __base;
- __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
- unsigned long __ul;
- __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
- if (!(__err & ios_base::failbit)
- && __ul <= numeric_limits<unsigned short>::max())
- __v = static_cast<unsigned short>(__ul);
- else
- __err |= ios_base::failbit;
+ __xtrc.reserve(32);
+ __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+ std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+ if (__beg == __end)
+ __err |= ios_base::eofbit;
return __beg;
}
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, unsigned int& __v) const
+ __do_get(iter_type __beg, iter_type __end, ios_base& __io,
+ ios_base::iostate& __err, double& __v) const
{
string __xtrc;
- int __base;
- __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
- unsigned long __ul;
- __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
- if (!(__err & ios_base::failbit)
- && __ul <= numeric_limits<unsigned int>::max())
- __v = static_cast<unsigned int>(__ul);
- else
- __err |= ios_base::failbit;
+ __xtrc.reserve(32);
+ __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+ std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+ if (__beg == __end)
+ __err |= ios_base::eofbit;
return __beg;
}
+#endif
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, unsigned long& __v) const
+ ios_base::iostate& __err, long double& __v) const
{
string __xtrc;
- int __base;
- __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
- __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
+ __xtrc.reserve(32);
+ __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
+ std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+ if (__beg == __end)
+ __err |= ios_base::eofbit;
return __beg;
}
-#ifdef _GLIBCPP_USE_LONG_LONG
template<typename _CharT, typename _InIter>
_InIter
num_get<_CharT, _InIter>::
do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, long long& __v) const
+ ios_base::iostate& __err, void*& __v) const
{
- string __xtrc;
- int __base;
- __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
- __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
- return __beg;
- }
+ // Prepare for hex formatted input.
+ typedef ios_base::fmtflags fmtflags;
+ const fmtflags __fmt = __io.flags();
+ __io.flags((__fmt & ~ios_base::basefield) | ios_base::hex);
- template<typename _CharT, typename _InIter>
- _InIter
- num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, unsigned long long& __v) const
- {
- string __xtrc;
- int __base;
- __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
- __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
- return __beg;
- }
-#endif
+ typedef __gnu_cxx::__conditional_type<(sizeof(void*)
+ <= sizeof(unsigned long)),
+ unsigned long, unsigned long long>::__type _UIntPtrType;
- template<typename _CharT, typename _InIter>
- _InIter
- num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, float& __v) const
- {
- string __xtrc;
- __xtrc.reserve(32);
- __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
- __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
- return __beg;
- }
+ _UIntPtrType __ul;
+ __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
- template<typename _CharT, typename _InIter>
- _InIter
- num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, double& __v) const
- {
- string __xtrc;
- __xtrc.reserve(32);
- __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
- __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
- return __beg;
- }
-
- template<typename _CharT, typename _InIter>
- _InIter
- num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, long double& __v) const
- {
- string __xtrc;
- __xtrc.reserve(32);
- __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
- __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
- return __beg;
- }
-
- template<typename _CharT, typename _InIter>
- _InIter
- num_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, void*& __v) const
- {
- // Prepare for hex formatted input
- typedef ios_base::fmtflags fmtflags;
- fmtflags __fmt = __io.flags();
- fmtflags __fmtmask = ~(ios_base::showpos | ios_base::basefield
- | ios_base::uppercase | ios_base::internal);
- __io.flags(__fmt & __fmtmask | (ios_base::hex | ios_base::showbase));
-
- string __xtrc;
- int __base;
- __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
-
- // Reset from hex formatted input
+ // Reset from hex formatted input.
__io.flags(__fmt);
- unsigned long __ul;
- __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
- if (!(__err & ios_base::failbit))
- __v = reinterpret_cast<void*>(__ul);
- else
- __err |= ios_base::failbit;
+ __v = reinterpret_cast<void*>(__ul);
return __beg;
}
- // The following code uses snprintf (or sprintf(), when _GLIBCPP_USE_C99
- // is not defined) to convert floating point values for insertion into a
- // stream. An optimization would be to replace them with code that works
- // directly on a wide buffer and then use __pad to do the padding.
- // It would be good to replace them anyway to gain back the efficiency
- // that C++ provides by knowing up front the type of the values to insert.
- // Also, sprintf is dangerous since may lead to accidental buffer overruns.
- // This implementation follows the C++ standard fairly directly as
- // outlined in 22.2.2.2 [lib.locale.num.put]
- template<typename _CharT, typename _OutIter>
- template<typename _ValueT>
- _OutIter
- num_put<_CharT, _OutIter>::
- _M_convert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
- _ValueT __v) const
- {
- // Note: digits10 is rounded down: we need to add 1 to ensure
- // we get the full available precision.
- // Then, in general, one more 1 needs to be added since, when the
- // %{g,G} conversion specifiers are chosen inside _S_format_float, the
- // precision field is "the maximum number of significant digits", *not*
- // the "number of digits to appear after the decimal point", as happens
- // for %{e,E,f,F} (C99, 7.19.6.1,4).
- const int __max_digits = numeric_limits<_ValueT>::digits10 + 2;
- streamsize __prec = __io.precision();
-
- if (__prec > static_cast<streamsize>(__max_digits))
- __prec = static_cast<streamsize>(__max_digits);
-
- // Long enough for the max format spec.
- char __fbuf[16];
-
- // [22.2.2.2.2] Stage 1, numeric conversion to character.
- int __len;
-#ifdef _GLIBCPP_USE_C99
- // First try a buffer perhaps big enough (for sure sufficient for
- // non-ios_base::fixed outputs)
- int __cs_size = __max_digits * 3;
- char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
-
- const bool __fp = _S_format_float(__io, __fbuf, __mod, __prec);
- if (__fp)
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale, __prec);
- else
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, _S_c_locale);
-
- // 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));
- if (__fp)
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale, __prec);
- else
- __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale);
- }
-#else
- // Consider the possibility of long ios_base::fixed outputs
- const bool __fixed = __io.flags() & ios_base::fixed;
- const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
- // ios_base::fixed outputs may need up to __max_exp+1 chars
- // for the integer part + up to __max_digits chars for the
- // fractional part + 3 chars for sign, decimal point, '\0'. On
- // the other hand, for non-fixed outputs __max_digits*3 chars
- // are largely sufficient.
- const int __cs_size = __fixed ? __max_exp + __max_digits + 4
- : __max_digits * 3;
- char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
-
- if (_S_format_float(__io, __fbuf, __mod, __prec))
- __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale, __prec);
- else
- __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale);
-#endif
- return _M_widen_float(__s, __io, __fill, __cs, __len);
- }
-
- template<typename _CharT, typename _OutIter>
- template<typename _ValueT>
- _OutIter
- num_put<_CharT, _OutIter>::
- _M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
- char __modl, _ValueT __v) const
- {
- // [22.2.2.2.2] Stage 1, numeric conversion to character.
-
- // Long enough for the max format spec.
- char __fbuf[16];
- _S_format_int(__io, __fbuf, __mod, __modl);
-#ifdef _GLIBCPP_USE_C99
- // First try a buffer perhaps big enough.
- int __cs_size = 64;
- char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
- int __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale);
- // 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 = __convert_from_v(__cs, __cs_size, __fbuf, __v,
- _S_c_locale);
- }
-#else
- // Leave room for "+/-," "0x," and commas. This size is
- // arbitrary, but should be largely sufficient.
- char __cs[128];
- int __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale);
-#endif
- return _M_widen_int(__s, __io, __fill, __cs, __len);
- }
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- _M_widen_float(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs,
- int __len) const
- {
- typedef char_traits<_CharT> __traits_type;
- // [22.2.2.2.2] Stage 2, convert to char_type, using correct
- // numpunct.decimal_point() values for '.' and adding grouping.
- const locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
- * __len));
- // Grouping can add (almost) as many separators as the number of
- // digits, but no more.
- _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
- * __len * 2));
- __ctype.widen(__cs, __cs + __len, __ws);
-
- // Replace decimal point.
- const _CharT* __p;
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
- if (__p = __traits_type::find(__ws, __len, __ctype.widen('.')))
- __ws[__p - __ws] = __np.decimal_point();
-
-#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
-//282. What types does numpunct grouping refer to?
- // Add grouping, if necessary.
- const string __grouping = __np.grouping();
- ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
- if (__grouping.size())
- {
- _CharT* __p2;
- int __declen = __p ? __p - __ws : __len;
- __p2 = __add_grouping(__ws2, __np.thousands_sep(),
- __grouping.c_str(),
- __grouping.c_str() + __grouping.size(),
- __ws, __ws + __declen);
- int __newlen = __p2 - __ws2;
-
- // Tack on decimal part.
- if (__p)
- {
- __traits_type::copy(__p2, __p, __len - __declen);
- __newlen += __len - __declen;
- }
-
- // Switch strings, establish correct new length.
- __ws = __ws2;
- __len = __newlen;
- }
-#endif
- return _M_insert(__s, __io, __fill, __ws, __len);
- }
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- _M_widen_int(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs,
- int __len) const
- {
- // [22.2.2.2.2] Stage 2, convert to char_type, using correct
- // numpunct.decimal_point() values for '.' and adding grouping.
- const locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
- * __len));
- // Grouping can add (almost) as many separators as the number of
- // digits, but no more.
- _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
- * __len * 2));
- __ctype.widen(__cs, __cs + __len, __ws);
-
- // Add grouping, if necessary.
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
- const string __grouping = __np.grouping();
- const ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
- if (__grouping.size())
- {
- // By itself __add_grouping cannot deal correctly with __ws when
- // ios::showbase is set and ios_base::oct || ios_base::hex.
- // Therefore we take care "by hand" of the initial 0, 0x or 0X.
- // However, remember that the latter do not occur if the number
- // printed is '0' (__len == 1).
- streamsize __off = 0;
- if ((__io.flags() & ios_base::showbase) && __len > 1)
- if (__basefield == ios_base::oct)
- {
- __off = 1;
- *__ws2 = *__ws;
- }
- else if (__basefield == ios_base::hex)
- {
- __off = 2;
- *__ws2 = *__ws;
- *(__ws2 + 1) = *(__ws + 1);
- }
- _CharT* __p;
- __p = __add_grouping(__ws2 + __off, __np.thousands_sep(),
- __grouping.c_str(),
- __grouping.c_str() + __grouping.size(),
- __ws + __off, __ws + __len);
- __len = __p - __ws2;
- // Switch strings.
- __ws = __ws2;
- }
- return _M_insert(__s, __io, __fill, __ws, __len);
- }
-
// For use by integer and floating-point types after they have been
// converted into a char_type string.
template<typename _CharT, typename _OutIter>
- _OutIter
+ void
num_put<_CharT, _OutIter>::
- _M_insert(_OutIter __s, ios_base& __io, _CharT __fill, const _CharT* __ws,
- int __len) const
+ _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
+ _CharT* __new, const _CharT* __cs, int& __len) const
{
- typedef char_traits<_CharT> __traits_type;
// [22.2.2.2.2] Stage 3.
- streamsize __w = __io.width();
- _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
- * __w));
- if (__w > static_cast<streamsize>(__len))
- {
- __pad<_CharT, __traits_type>::_S_pad(__io, __fill, __ws2, __ws,
- __w, __len, true);
- __len = static_cast<int>(__w);
- // Switch strings.
- __ws = __ws2;
- }
- __io.width(0);
-
- // [22.2.2.2.2] Stage 4.
- // Write resulting, fully-formatted string to output iterator.
- for (int __j = 0; __j < __len; ++__j, ++__s)
- *__s = __ws[__j];
- return __s;
- }
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
- {
- ios_base::fmtflags __flags = __io.flags();
- if ((__flags & ios_base::boolalpha) == 0)
- {
- unsigned long __uv = __v;
- __s = _M_convert_int(__s, __io, __fill, 'u', char(), __uv);
- }
- else
- {
- typedef basic_string<_CharT> __string_type;
- locale __loc = __io.getloc();
- const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
- __string_type __name;
- if (__v)
- __name = __np.truename();
- else
- __name = __np.falsename();
- __s = _M_insert(__s, __io, __fill, __name.c_str(), __name.size());
- }
- return __s;
+ // If necessary, pad.
+ __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new,
+ __cs, __w, __len);
+ __len = static_cast<int>(__w);
}
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
- { return _M_convert_int(__s, __io, __fill, 'd', char(), __v); }
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type __fill,
- unsigned long __v) const
- { return _M_convert_int(__s, __io, __fill, 'u', char(), __v); }
-
-#ifdef _GLIBCPP_USE_LONG_LONG
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
- { return _M_convert_int(__s, __b, __fill, 'd', 'l', __v); }
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type __fill,
- unsigned long long __v) const
- { return _M_convert_int(__s, __io, __fill, 'u', 'l', __v); }
-#endif
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
- { return _M_convert_float(__s, __io, __fill, char(), __v); }
-
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type __fill,
- long double __v) const
- { return _M_convert_float(__s, __io, __fill, 'L', __v); }
+_GLIBCXX_END_LDBL_NAMESPACE
- template<typename _CharT, typename _OutIter>
- _OutIter
- num_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type __fill,
- const void* __v) const
+ template<typename _CharT, typename _ValueT>
+ int
+ __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
+ ios_base::fmtflags __flags, bool __dec)
{
- ios_base::fmtflags __flags = __io.flags();
- ios_base::fmtflags __fmt = ~(ios_base::showpos | ios_base::basefield
- | ios_base::uppercase | ios_base::internal);
- __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
- try
+ _CharT* __buf = __bufend;
+ if (__builtin_expect(__dec, true))
{
- __s = _M_convert_int(__s, __io, __fill, 'u', char(),
- reinterpret_cast<unsigned long>(__v));
- __io.flags(__flags);
- }
- catch (...)
- {
- __io.flags(__flags);
- __throw_exception_again;
- }
- return __s;
- }
-
-
- template<typename _CharT, typename _InIter>
- _InIter
- money_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
- ios_base::iostate& __err, long double& __units) const
- {
- string_type __str;
- __beg = this->do_get(__beg, __end, __intl, __io, __err, __str);
-
- const int __n = numeric_limits<long double>::digits10;
- char* __cs = static_cast<char*>(__builtin_alloca(__n));
- const locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- const _CharT* __wcs = __str.c_str();
- __ctype.narrow(__wcs, __wcs + __str.size() + 1, char(), __cs);
- __convert_to_v(__cs, __units, __err, _S_c_locale);
- return __beg;
- }
-
- template<typename _CharT, typename _InIter>
- _InIter
- money_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
- ios_base::iostate& __err, string_type& __units) const
- {
- // These contortions are quite unfortunate.
- typedef moneypunct<_CharT, true> __money_true;
- typedef moneypunct<_CharT, false> __money_false;
- typedef money_base::part part;
- typedef typename string_type::size_type size_type;
-
- const locale __loc = __io.getloc();
- const __money_true& __mpt = use_facet<__money_true>(__loc);
- const __money_false& __mpf = use_facet<__money_false>(__loc);
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
-
- const money_base::pattern __p = __intl ? __mpt.neg_format()
- : __mpf.neg_format();
-
- const string_type __pos_sign =__intl ? __mpt.positive_sign()
- : __mpf.positive_sign();
- const string_type __neg_sign =__intl ? __mpt.negative_sign()
- : __mpf.negative_sign();
- const char_type __d = __intl ? __mpt.decimal_point()
- : __mpf.decimal_point();
- const char_type __sep = __intl ? __mpt.thousands_sep()
- : __mpf.thousands_sep();
-
- const string __grouping = __intl ? __mpt.grouping() : __mpf.grouping();
-
- // Set to deduced positive or negative sign, depending.
- string_type __sign;
- // String of grouping info from thousands_sep plucked from __units.
- string __grouping_tmp;
- // Marker for thousands_sep position.
- int __sep_pos = 0;
- // If input iterator is in a valid state.
- bool __testvalid = true;
- // Flag marking when a decimal point is found.
- bool __testdecfound = false;
-
- // The tentative returned string is stored here.
- string_type __temp_units;
-
- char_type __c = *__beg;
- char_type __eof = static_cast<char_type>(char_traits<char_type>::eof());
- for (int __i = 0; __beg != __end && __i < 4 && __testvalid; ++__i)
- {
- part __which = static_cast<part>(__p.field[__i]);
- switch (__which)
- {
- case money_base::symbol:
- if (__io.flags() & ios_base::showbase
- || __i < 2 || __sign.size() > 1
- || ((static_cast<part>(__p.field[3]) != money_base::none)
- && __i == 2))
- {
- // According to 22.2.6.1.2.2, symbol is required
- // if (__io.flags() & ios_base::showbase),
- // otherwise is optional and consumed only if
- // other characters are needed to complete the
- // format.
- const string_type __symbol = __intl ? __mpt.curr_symbol()
- : __mpf.curr_symbol();
- size_type __len = __symbol.size();
- size_type __j = 0;
- while (__beg != __end
- && __j < __len && __symbol[__j] == __c)
- {
- __c = *(++__beg);
- ++__j;
- }
- // When (__io.flags() & ios_base::showbase)
- // symbol is required.
- if (__j != __len && (__io.flags() & ios_base::showbase))
- __testvalid = false;
- }
- break;
- case money_base::sign:
- // Sign might not exist, or be more than one character long.
- if (__pos_sign.size() && __neg_sign.size())
- {
- // Sign is mandatory.
- if (__c == __pos_sign[0])
- {
- __sign = __pos_sign;
- __c = *(++__beg);
- }
- else if (__c == __neg_sign[0])
- {
- __sign = __neg_sign;
- __c = *(++__beg);
- }
- else
- __testvalid = false;
- }
- else if (__pos_sign.size() && __c == __pos_sign[0])
- {
- __sign = __pos_sign;
- __c = *(++__beg);
- }
- else if (__neg_sign.size() && __c == __neg_sign[0])
- {
- __sign = __neg_sign;
- __c = *(++__beg);
- }
- break;
- case money_base::value:
- // Extract digits, remove and stash away the
- // grouping of found thousands separators.
- while (__beg != __end
- && (__ctype.is(ctype_base::digit, __c)
- || (__c == __d && !__testdecfound)
- || __c == __sep))
- {
- if (__c == __d)
- {
- __grouping_tmp += static_cast<char>(__sep_pos);
- __sep_pos = 0;
- __testdecfound = true;
- }
- else if (__c == __sep)
- {
- if (__grouping.size())
- {
- // Mark position for later analysis.
- __grouping_tmp += static_cast<char>(__sep_pos);
- __sep_pos = 0;
- }
- else
- {
- __testvalid = false;
- break;
- }
- }
- else
- {
- __temp_units += __c;
- ++__sep_pos;
- }
- __c = *(++__beg);
- }
- break;
- case money_base::space:
- case money_base::none:
- // Only if not at the end of the pattern.
- if (__i != 3)
- while (__beg != __end
- && __ctype.is(ctype_base::space, __c))
- __c = *(++__beg);
- break;
- }
- }
-
- // Need to get the rest of the sign characters, if they exist.
- if (__sign.size() > 1)
- {
- size_type __len = __sign.size();
- size_type __i = 1;
- for (; __c != __eof && __i < __len; ++__i)
- while (__beg != __end && __c != __sign[__i])
- __c = *(++__beg);
-
- if (__i != __len)
- __testvalid = false;
- }
-
- // Strip leading zeros.
- while (__temp_units[0] == __ctype.widen('0'))
- __temp_units.erase(__temp_units.begin());
-
- if (__sign.size() && __sign == __neg_sign)
- __temp_units.insert(__temp_units.begin(), __ctype.widen('-'));
-
- // Test for grouping fidelity.
- if (__grouping.size() && __grouping_tmp.size())
- {
- if (!__verify_grouping(__grouping, __grouping_tmp))
- __testvalid = false;
- }
-
- // Iff no more characters are available.
- if (__c == __eof)
- __err |= ios_base::eofbit;
-
- // Iff valid sequence is not recognized.
- if (!__testvalid || !__temp_units.size())
- __err |= ios_base::failbit;
- else
- // Use the "swap trick" to copy __temp_units into __units.
- __temp_units.swap(__units);
-
- return __beg;
- }
-
- 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 _GLIBCPP_USE_C99
- // First try a buffer perhaps big enough.
- int __cs_size = 64;
- char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
- int __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units,
- _S_c_locale);
- // 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 = __convert_from_v(__cs, __cs_size, "%.01Lf", __units,
- _S_c_locale);
- }
-#else
- // max_exponent10 + 1 for the integer part, + 4 for sign, decimal point,
- // decimal digit, '\0'.
- const int __cs_size = numeric_limits<long double>::max_exponent10 + 5;
- char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
- int __len = __convert_from_v(__cs, 0, "%.01Lf", __units, _S_c_locale);
-#endif
- _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __cs_size));
- __ctype.widen(__cs, __cs + __len, __ws);
- string_type __digits(__ws);
- return this->do_put(__s, __intl, __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
- {
- typedef typename string_type::size_type size_type;
- typedef money_base::part part;
-
- const locale __loc = __io.getloc();
- const size_type __width = static_cast<size_type>(__io.width());
-
- // These contortions are quite unfortunate.
- typedef moneypunct<_CharT, true> __money_true;
- typedef moneypunct<_CharT, false> __money_false;
- const __money_true& __mpt = use_facet<__money_true>(__loc);
- const __money_false& __mpf = use_facet<__money_false>(__loc);
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
-
- // Determine if negative or positive formats are to be used, and
- // discard leading negative_sign if it is present.
- const char_type* __beg = __digits.data();
- const char_type* __end = __beg + __digits.size();
- money_base::pattern __p;
- string_type __sign;
- if (*__beg != __ctype.widen('-'))
- {
- __p = __intl ? __mpt.pos_format() : __mpf.pos_format();
- __sign =__intl ? __mpt.positive_sign() : __mpf.positive_sign();
- }
- else
- {
- __p = __intl ? __mpt.neg_format() : __mpf.neg_format();
- __sign =__intl ? __mpt.negative_sign() : __mpf.negative_sign();
- ++__beg;
- }
-
- // Look for valid numbers in the current ctype facet within input digits.
- __end = __ctype.scan_not(ctype_base::digit, __beg, __end);
- if (__beg != __end)
- {
- // Assume valid input, and attempt to format.
- // Break down input numbers into base components, as follows:
- // final_value = grouped units + (decimal point) + (digits)
- string_type __res;
- string_type __value;
- const string_type __symbol = __intl ? __mpt.curr_symbol()
- : __mpf.curr_symbol();
-
- // Deal with decimal point, decimal digits.
- const int __frac = __intl ? __mpt.frac_digits()
- : __mpf.frac_digits();
- if (__frac > 0)
- {
- const char_type __d = __intl ? __mpt.decimal_point()
- : __mpf.decimal_point();
- if (__end - __beg >= __frac)
- {
- __value = string_type(__end - __frac, __end);
- __value.insert(__value.begin(), __d);
- __end -= __frac;
- }
- else
- {
- // Have to pad zeros in the decimal position.
- __value = string_type(__beg, __end);
- int __paddec = __frac - (__end - __beg);
- char_type __zero = __ctype.widen('0');
- __value.insert(__value.begin(), __paddec, __zero);
- __value.insert(__value.begin(), __d);
- __beg = __end;
- }
- }
-
- // Add thousands separators to non-decimal digits, per
- // grouping rules.
- if (__beg != __end)
- {
- const string __grouping = __intl ? __mpt.grouping()
- : __mpf.grouping();
- if (__grouping.size())
- {
- const char_type __sep = __intl ? __mpt.thousands_sep()
- : __mpf.thousands_sep();
- const char* __gbeg = __grouping.c_str();
- const char* __gend = __gbeg + __grouping.size();
- const int __n = (__end - __beg) * 2;
- _CharT* __ws2 =
- static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
- _CharT* __ws_end = __add_grouping(__ws2, __sep, __gbeg,
- __gend, __beg, __end);
- __value.insert(0, __ws2, __ws_end - __ws2);
- }
- else
- __value.insert(0, string_type(__beg, __end));
- }
-
- // Calculate length of resulting string.
- ios_base::fmtflags __f = __io.flags() & ios_base::adjustfield;
- size_type __len = __value.size() + __sign.size();
- __len += (__io.flags() & ios_base::showbase) ? __symbol.size() : 0;
- bool __testipad = __f == ios_base::internal && __len < __width;
-
- // Fit formatted digits into the required pattern.
- for (int __i = 0; __i < 4; ++__i)
- {
- part __which = static_cast<part>(__p.field[__i]);
- switch (__which)
- {
- case money_base::symbol:
- if (__io.flags() & ios_base::showbase)
- __res += __symbol;
- 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 += string_type(__width - __len, __fill);
- else
- __res += __ctype.widen(__fill);
- break;
- case money_base::none:
- if (__testipad)
- __res += string_type(__width - __len, __fill);
- break;
- }
- }
-
- // Special case of multi-part sign parts.
- if (__sign.size() > 1)
- __res += string_type(__sign.begin() + 1, __sign.end());
-
- // Pad, if still necessary.
- __len = __res.size();
- if (__width > __len)
+ // Decimal.
+ do
{
- if (__f == ios_base::left)
- // After.
- __res.append(__width - __len, __fill);
- else
- // Before.
- __res.insert(0, string_type(__width - __len, __fill));
- __len = __width;
+ *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
+ __v /= 10;
}
-
- // Write resulting, fully-formatted string to output iterator.
- for (size_type __j = 0; __j < __len; ++__j, ++__s)
- *__s = __res[__j];
+ while (__v != 0);
}
- __io.width(0);
- return __s;
- }
-
-
- // 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; }
-
- template<typename _CharT, typename _InIter>
- void
- 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
- {
- locale __loc = __io.getloc();
- __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- size_t __len = char_traits<_CharT>::length(__format);
-
- for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
+ else if ((__flags & ios_base::basefield) == ios_base::oct)
{
- char __c = __format[__i];
- if (__c == '%')
+ // Octal.
+ do
{
- // Verify valid formatting code, attempt to extract.
- __c = __format[++__i];
- char __mod = 0;
- int __mem = 0;
- if (__c == 'E' || __c == 'O')
- {
- __mod = __c;
- __c = __format[++__i];
- }
- 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);
- _M_extract_name(__beg, __end, __tm->tm_wday, __days1, 7,
- __err);
- break;
- case 'A':
- // Weekday name [tm_wday].
- const char_type* __days2[7];
- __tp._M_days(__days2);
- _M_extract_name(__beg, __end, __tm->tm_wday, __days2, 7,
- __err);
- break;
- case 'h':
- case 'b':
- // Abbreviated month name [tm_mon]
- const char_type* __months1[12];
- __tp._M_months_abbreviated(__months1);
- _M_extract_name(__beg, __end, __tm->tm_mon, __months1, 12,
- __err);
- break;
- case 'B':
- // Month name [tm_mon].
- const char_type* __months2[12];
- __tp._M_months(__months2);
- _M_extract_name(__beg, __end, __tm->tm_mon, __months2, 12,
- __err);
- break;
- case 'c':
- // Default time and date representation.
- const char_type* __dt[2];
- __tp._M_date_time_formats(__dt);
- _M_extract_via_format(__beg, __end, __io, __err, __tm,
- __dt[0]);
- break;
- case 'd':
- // Day [01, 31]. [tm_mday]
- _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
- __ctype, __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);
- _M_extract_via_format(__beg, __end, __io, __err, __tm,
- __wcs);
- break;
- case 'H':
- // Hour [00, 23]. [tm_hour]
- _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
- __ctype, __err);
- break;
- case 'I':
- // Hour [01, 12]. [tm_hour]
- _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
- __ctype, __err);
- break;
- case 'm':
- // Month [01, 12]. [tm_mon]
- _M_extract_num(__beg, __end, __mem, 1, 12, 2, __ctype,
- __err);
- if (!__err)
- __tm->tm_mon = __mem - 1;
- break;
- case 'M':
- // Minute [00, 59]. [tm_min]
- _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
- __ctype, __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);
- _M_extract_via_format(__beg, __end, __io, __err, __tm,
- __wcs);
- break;
- case 'S':
- // Seconds.
- _M_extract_num(__beg, __end, __tm->tm_sec, 0, 59, 2,
- __ctype, __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);
- _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);
- _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);
- _M_extract_via_format(__beg, __end, __io, __err, __tm,
- __times[0]);
- break;
- case 'y':
- // Two digit year. [tm_year]
- _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
- __ctype, __err);
- break;
- case 'Y':
- // Year [1900). [tm_year]
- _M_extract_num(__beg, __end, __mem, 0,
- numeric_limits<int>::max(), 4,
- __ctype, __err);
- if (!__err)
- __tm->tm_year = __mem - 1900;
- break;
- case 'Z':
- // Timezone info.
- if (__ctype.is(ctype_base::upper, *__beg))
- {
- int __tmp;
- _M_extract_name(__beg, __end, __tmp,
- __timepunct<_CharT>::_S_timezones,
- 14, __err);
-
- // GMT requires special effort.
- char_type __c = *__beg;
- if (!__err && __tmp == 0
- && (__c == __ctype.widen('-')
- || __c == __ctype.widen('+')))
- {
- _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
- __ctype, __err);
- _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
- __ctype, __err);
- }
- }
- else
- __err |= ios_base::failbit;
- break;
- default:
- // Not recognized.
- __err |= ios_base::failbit;
- }
- }
- else
- {
- // Verify format and input match, extract and discard.
- if (__c == __ctype.narrow(*__beg, 0))
- ++__beg;
- else
- __err |= ios_base::failbit;
- }
- }
- }
-
- template<typename _CharT, typename _InIter>
- void
- time_get<_CharT, _InIter>::
- _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
- {
- size_t __i = 0;
- string __digits;
- bool __testvalid = true;
- char_type __c = *__beg;
- while (__beg != __end && __i < __len
- && __ctype.is(ctype_base::digit, __c))
- {
- __digits += __ctype.narrow(__c, 0);
- __c = *(++__beg);
- ++__i;
- }
- if (__i == __len)
- {
- int __value = atoi(__digits.c_str());
- if (__min <= __value && __value <= __max)
- __member = __value;
- else
- __testvalid = false;
+ *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
+ __v >>= 3;
+ }
+ while (__v != 0);
}
else
- __testvalid = false;
- if (!__testvalid)
- __err |= ios_base::failbit;
- }
-
- // Assumptions:
- // All elements in __names are unique.
- template<typename _CharT, typename _InIter>
- void
- time_get<_CharT, _InIter>::
- _M_extract_name(iter_type& __beg, iter_type& __end, int& __member,
- const _CharT** __names, size_t __indexlen,
- ios_base::iostate& __err) const
- {
- typedef char_traits<_CharT> __traits_type;
- 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;
-
- char_type __c = *__beg;
- // Look for initial matches.
- for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
- if (__c == __names[__i1][0])
- __matches[__nmatches++] = __i1;
-
- while(__nmatches > 1)
{
- // Find smallest matching string.
- size_t __minlen = 10;
- for (size_t __i2 = 0; __i2 < __nmatches; ++__i2)
- __minlen = min(__minlen,
- __traits_type::length(__names[__matches[__i2]]));
-
- if (__pos < __minlen && __beg != __end)
+ // Hex.
+ const bool __uppercase = __flags & ios_base::uppercase;
+ const int __case_offset = __uppercase ? __num_base::_S_oudigits
+ : __num_base::_S_odigits;
+ do
{
- ++__pos;
- __c = *(++__beg);
- for (size_t __i3 = 0; __i3 < __nmatches; ++__i3)
- {
- __name = __names[__matches[__i3]];
- if (__name[__pos] != __c)
- __matches[__i3] = __matches[--__nmatches];
- }
+ *--__buf = __lit[(__v & 0xf) + __case_offset];
+ __v >>= 4;
}
- else
- break;
- }
-
- if (__nmatches == 1)
- {
- // Make sure found name is completely extracted.
- __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;
+ while (__v != 0);
}
- else
- __testvalid = false;
- if (!__testvalid)
- __err |= ios_base::failbit;
+ return __bufend - __buf;
}
- 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
- {
- _CharT __wcs[3];
- const char* __cs = "%X";
- locale __loc = __io.getloc();
- ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
- __ctype.widen(__cs, __cs + 3, __wcs);
- _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs);
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return __beg;
- }
+_GLIBCXX_BEGIN_LDBL_NAMESPACE
- 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
+ template<typename _CharT, typename _OutIter>
+ void
+ num_put<_CharT, _OutIter>::
+ _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
+ ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
{
- _CharT __wcs[3];
- const char* __cs = "%x";
- locale __loc = __io.getloc();
- ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
- __ctype.widen(__cs, __cs + 3, __wcs);
- _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs);
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return __beg;
+ _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
+ __grouping_size, __cs, __cs + __len);
+ __len = __p - __new;
}
+
+ template<typename _CharT, typename _OutIter>
+ template<typename _ValueT>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
+ _ValueT __v) const
+ {
+ using __gnu_cxx::__add_unsigned;
+ typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
+ const _CharT* __lit = __lc->_M_atoms_out;
+ const ios_base::fmtflags __flags = __io.flags();
+
+ // Long enough to hold hex, dec, and octal representations.
+ const int __ilen = 5 * sizeof(_ValueT);
+ _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __ilen));
+
+ // [22.2.2.2.2] Stage 1, numeric conversion to character.
+ // Result is returned right-justified in the buffer.
+ const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
+ const bool __dec = (__basefield != ios_base::oct
+ && __basefield != ios_base::hex);
+ const __unsigned_type __u = ((__v > 0 || !__dec)
+ ? __unsigned_type(__v)
+ : -__unsigned_type(__v));
+ int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec);
+ __cs += __ilen - __len;
+
+ // Add grouping, if necessary.
+ if (__lc->_M_use_grouping)
+ {
+ // Grouping can add (almost) as many separators as the number
+ // of digits + space is reserved for numeric base or sign.
+ _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * (__len + 1)
+ * 2));
+ _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
+ __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
+ __cs = __cs2 + 2;
+ }
+
+ // Complete Stage 1, prepend numeric base or sign.
+ if (__builtin_expect(__dec, true))
+ {
+ // Decimal.
+ if (__v >= 0)
+ {
+ if (bool(__flags & ios_base::showpos)
+ && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
+ *--__cs = __lit[__num_base::_S_oplus], ++__len;
+ }
+ else
+ *--__cs = __lit[__num_base::_S_ominus], ++__len;
+ }
+ else if (bool(__flags & ios_base::showbase) && __v)
+ {
+ if (__basefield == ios_base::oct)
+ *--__cs = __lit[__num_base::_S_odigits], ++__len;
+ else
+ {
+ // 'x' or 'X'
+ const bool __uppercase = __flags & ios_base::uppercase;
+ *--__cs = __lit[__num_base::_S_ox + __uppercase];
+ // '0'
+ *--__cs = __lit[__num_base::_S_odigits];
+ __len += 2;
+ }
+ }
- 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;
- locale __loc = __io.getloc();
- __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
- const char_type* __days[7];
- __tp._M_days_abbreviated(__days);
- int __tmpwday;
- _M_extract_name(__beg, __end, __tmpwday, __days, 7, __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
- // day's abbreviated form.
- // NB: Also assumes that an abbreviated name is a subset of the name.
- if (!__err)
- {
- size_t __pos = __traits_type::length(__days[__tmpwday]);
- __tp._M_days(__days);
- const char_type* __name = __days[__tmpwday];
- if (__name[__pos] == *__beg)
- {
- // Extract the rest of it.
- const size_t __len = __traits_type::length(__name);
- while (__pos < __len && __beg != __end
- && __name[__pos] == *__beg)
- ++__beg, ++__pos;
- if (__len != __pos)
- __err |= ios_base::failbit;
- }
- if (!__err)
- __tm->tm_wday = __tmpwday;
- }
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return __beg;
- }
+ // Pad.
+ const streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+ {
+ _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __w));
+ _M_pad(__fill, __w, __io, __cs3, __cs, __len);
+ __cs = __cs3;
+ }
+ __io.width(0);
- template<typename _CharT, typename _InIter>
- _InIter
- time_get<_CharT, _InIter>::
- do_get_monthname(iter_type __beg, iter_type __end,
- ios_base& __io, ios_base::iostate& __err, tm* __tm) const
+ // [22.2.2.2.2] Stage 4.
+ // Write resulting, fully-formatted string to output iterator.
+ return std::__write(__s, __cs, __len);
+ }
+
+ template<typename _CharT, typename _OutIter>
+ void
+ num_put<_CharT, _OutIter>::
+ _M_group_float(const char* __grouping, size_t __grouping_size,
+ _CharT __sep, const _CharT* __p, _CharT* __new,
+ _CharT* __cs, int& __len) const
{
- typedef char_traits<_CharT> __traits_type;
- locale __loc = __io.getloc();
- __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
- const char_type* __months[12];
- __tp._M_months_abbreviated(__months);
- int __tmpmon;
- _M_extract_name(__beg, __end, __tmpmon, __months, 12, __err);
-
- // Check to see if non-abbreviated name exists, and extract.
- // NB: Assumes both _M_months and _M_months_abbreviated organized in
- // exact same order, first to last, such that the resulting
- // __months array with the same index points to a month, and that
- // month's abbreviated form.
- // NB: Also assumes that an abbreviated name is a subset of the name.
- if (!__err)
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // 282. What types does numpunct grouping refer to?
+ // Add grouping, if necessary.
+ const int __declen = __p ? __p - __cs : __len;
+ _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
+ __grouping_size,
+ __cs, __cs + __declen);
+
+ // Tack on decimal part.
+ int __newlen = __p2 - __new;
+ if (__p)
{
- size_t __pos = __traits_type::length(__months[__tmpmon]);
- __tp._M_months(__months);
- const char_type* __name = __months[__tmpmon];
- if (__name[__pos] == *__beg)
- {
- // Extract the rest of it.
- const size_t __len = __traits_type::length(__name);
- while (__pos < __len && __beg != __end
- && __name[__pos] == *__beg)
- ++__beg, ++__pos;
- if (__len != __pos)
- __err |= ios_base::failbit;
- }
- if (!__err)
- __tm->tm_mon = __tmpmon;
+ char_traits<_CharT>::copy(__p2, __p, __len - __declen);
+ __newlen += __len - __declen;
}
-
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return __beg;
+ __len = __newlen;
}
- template<typename _CharT, typename _InIter>
- _InIter
- time_get<_CharT, _InIter>::
- do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, tm* __tm) const
- {
- locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+ // The following code uses vsnprintf (or vsprintf(), when
+ // _GLIBCXX_USE_C99 is not defined) to convert floating point values
+ // for insertion into a stream. An optimization would be to replace
+ // them with code that works directly on a wide buffer and then use
+ // __pad to do the padding. It would be good to replace them anyway
+ // to gain back the efficiency that C++ provides by knowing up front
+ // the type of the values to insert. Also, sprintf is dangerous
+ // since may lead to accidental buffer overruns. This
+ // implementation follows the C++ standard fairly directly as
+ // outlined in 22.2.2.2 [lib.locale.num.put]
+ template<typename _CharT, typename _OutIter>
+ template<typename _ValueT>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
+ _ValueT __v) const
+ {
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
- char_type __c = *__beg;
- size_t __i = 0;
- string __digits;
- while (__i < 4 && __beg != __end && __ctype.is(ctype_base::digit, __c))
- {
- __digits += __ctype.narrow(__c, 0);
- __c = *(++__beg);
- ++__i;
- }
- if (__i == 2 || __i == 4)
- {
- long __l;
- __convert_to_v(__digits.c_str(), __l, __err, _S_c_locale);
- if (!(__err & ios_base::failbit) && __l <= INT_MAX)
- {
- __l = __i == 2 ? __l : __l - 1900;
- __tm->tm_year = static_cast<int>(__l);
- }
- }
- else
- __err |= ios_base::failbit;
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return __beg;
- }
+ // Use default precision if out of range.
+ const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
+
+ const int __max_digits =
+ __gnu_cxx::__numeric_traits<_ValueT>::__digits10;
+
+ // [22.2.2.2.2] Stage 1, numeric conversion to character.
+ int __len;
+ // Long enough for the max format spec.
+ char __fbuf[16];
+ __num_base::_S_format_float(__io, __fbuf, __mod);
+
+#ifdef _GLIBCXX_USE_C99
+ // First try a buffer perhaps big enough (most probably sufficient
+ // for non-ios_base::fixed outputs)
+ int __cs_size = __max_digits * 3;
+ char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
+ __fbuf, __prec, __v);
+
+ // 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(_S_get_c_locale(), __cs, __cs_size,
+ __fbuf, __prec, __v);
+ }
+#else
+ // Consider the possibility of long ios_base::fixed outputs
+ const bool __fixed = __io.flags() & ios_base::fixed;
+ const int __max_exp =
+ __gnu_cxx::__numeric_traits<_ValueT>::__max_exponent10;
+
+ // The size of the output string is computed as follows.
+ // ios_base::fixed outputs may need up to __max_exp + 1 chars
+ // for the integer part + __prec chars for the fractional part
+ // + 3 chars for sign, decimal point, '\0'. On the other hand,
+ // for non-fixed outputs __max_digits * 2 + __prec chars are
+ // largely sufficient.
+ const int __cs_size = __fixed ? __max_exp + __prec + 4
+ : __max_digits * 2 + __prec;
+ char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
+ __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf,
+ __prec, __v);
+#endif
+
+ // [22.2.2.2.2] Stage 2, convert to char_type, using correct
+ // numpunct.decimal_point() values for '.' and adding grouping.
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+
+ _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len));
+ __ctype.widen(__cs, __cs + __len, __ws);
+
+ // Replace decimal point.
+ _CharT* __wp = 0;
+ const char* __p = char_traits<char>::find(__cs, __len, '.');
+ if (__p)
+ {
+ __wp = __ws + (__p - __cs);
+ *__wp = __lc->_M_decimal_point;
+ }
+
+ // Add grouping, if necessary.
+ // N.B. Make sure to not group things like 2e20, i.e., no decimal
+ // point, scientific notation.
+ if (__lc->_M_use_grouping
+ && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
+ && __cs[1] >= '0' && __cs[2] >= '0')))
+ {
+ // Grouping can add (almost) as many separators as the
+ // number of digits, but no more.
+ _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __len * 2));
+
+ streamsize __off = 0;
+ if (__cs[0] == '-' || __cs[0] == '+')
+ {
+ __off = 1;
+ __ws2[0] = __ws[0];
+ __len -= 1;
+ }
+
+ _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
+ __lc->_M_thousands_sep, __wp, __ws2 + __off,
+ __ws + __off, __len);
+ __len += __off;
+
+ __ws = __ws2;
+ }
+ // Pad.
+ const streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
+ {
+ _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __w));
+ _M_pad(__fill, __w, __io, __ws3, __ws, __len);
+ __ws = __ws3;
+ }
+ __io.width(0);
+
+ // [22.2.2.2.2] Stage 4.
+ // Write resulting, fully-formatted string to output iterator.
+ return std::__write(__s, __ws, __len);
+ }
+
template<typename _CharT, typename _OutIter>
_OutIter
- time_put<_CharT, _OutIter>::
- put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
- const _CharT* __beg, const _CharT* __end) const
+ num_put<_CharT, _OutIter>::
+ do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
{
- locale __loc = __io.getloc();
- ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
- while (__beg != __end)
- {
- char __c = __ctype.narrow(*__beg, 0);
- ++__beg;
- if (__c == '%')
+ const ios_base::fmtflags __flags = __io.flags();
+ if ((__flags & ios_base::boolalpha) == 0)
+ {
+ const long __l = __v;
+ __s = _M_insert_int(__s, __io, __fill, __l);
+ }
+ else
+ {
+ typedef __numpunct_cache<_CharT> __cache_type;
+ __use_cache<__cache_type> __uc;
+ const locale& __loc = __io._M_getloc();
+ const __cache_type* __lc = __uc(__loc);
+
+ const _CharT* __name = __v ? __lc->_M_truename
+ : __lc->_M_falsename;
+ int __len = __v ? __lc->_M_truename_size
+ : __lc->_M_falsename_size;
+
+ const streamsize __w = __io.width();
+ if (__w > static_cast<streamsize>(__len))
{
- char __format;
- char __mod = 0;
- size_t __len = 1;
- __c = __ctype.narrow(*__beg, 0);
- ++__beg;
- if (__c == 'E' || __c == 'O')
+ const streamsize __plen = __w - __len;
+ _CharT* __ps
+ = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
+ * __plen));
+
+ char_traits<_CharT>::assign(__ps, __plen, __fill);
+ __io.width(0);
+
+ if ((__flags & ios_base::adjustfield) == ios_base::left)
{
- __mod = __c;
- __format = __ctype.narrow(*__beg, 0);
- ++__beg;
+ __s = std::__write(__s, __name, __len);
+ __s = std::__write(__s, __ps, __plen);
}
else
- __format = __c;
- __s = this->do_put(__s, __io, char_type(), __tm, __format,
- __mod);
- }
- else
- {
- *__s = __c;
- ++__s;
+ {
+ __s = std::__write(__s, __ps, __plen);
+ __s = std::__write(__s, __name, __len);
+ }
+ return __s;
}
+ __io.width(0);
+ __s = std::__write(__s, __name, __len);
}
return __s;
}
template<typename _CharT, typename _OutIter>
_OutIter
- time_put<_CharT, _OutIter>::
- do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
- char __format, char __mod) const
- {
- locale __loc = __io.getloc();
- ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
- __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
-
- // NB: This size is arbitrary. Should this be a data member,
- // initialized at construction?
- const size_t __maxlen = 64;
- char_type* __res =
- static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
-
- // NB: In IEE 1003.1-200x, and perhaps other locale models, it
- // is possible that the format character will be longer than one
- // character. Possibilities include 'E' or 'O' followed by a
- // format character: if __mod is not the default argument, assume
- // it's a valid modifier.
- char_type __fmt[4];
- __fmt[0] = __ctype.widen('%');
- if (!__mod)
- {
- __fmt[1] = __format;
- __fmt[2] = char_type();
- }
- else
- {
- __fmt[1] = __mod;
- __fmt[2] = __format;
- __fmt[3] = char_type();
- }
-
- __tp._M_put(__res, __maxlen, __fmt, __tm);
-
- // Write resulting, fully-formatted string to output iterator.
- size_t __len = char_traits<char_type>::length(__res);
- for (size_t __i = 0; __i < __len; ++__i, ++__s)
- *__s = __res[__i];
- return __s;
- }
-
-
- // Generic version does nothing.
- template<typename _CharT>
- int
- collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
- { return 0; }
+ num_put<_CharT, _OutIter>::
+ do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
+ { return _M_insert_float(__s, __io, __fill, char(), __v); }
- // Generic version does nothing.
- template<typename _CharT>
- size_t
- collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
- { return 0; }
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
+ template<typename _CharT, typename _OutIter>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
+ { return _M_insert_float(__s, __io, __fill, char(), __v); }
+#endif
- template<typename _CharT>
- int
- collate<_CharT>::
- do_compare(const _CharT* __lo1, const _CharT* __hi1,
- const _CharT* __lo2, const _CharT* __hi2) const
- {
- const string_type __one(__lo1, __hi1);
- const string_type __two(__lo2, __hi2);
- return _M_compare(__one.c_str(), __two.c_str());
- }
+ template<typename _CharT, typename _OutIter>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ do_put(iter_type __s, ios_base& __io, char_type __fill,
+ long double __v) const
+ { return _M_insert_float(__s, __io, __fill, 'L', __v); }
- template<typename _CharT>
- typename collate<_CharT>::string_type
- collate<_CharT>::
- do_transform(const _CharT* __lo, const _CharT* __hi) const
+ template<typename _CharT, typename _OutIter>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ do_put(iter_type __s, ios_base& __io, char_type __fill,
+ const void* __v) const
{
- size_t __len = (__hi - __lo) * 2;
- // First try a buffer perhaps big enough.
- _CharT* __c =
- static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
- size_t __res = _M_transform(__c, __lo, __len);
- // If the buffer was not large enough, try again with the correct size.
- if (__res >= __len)
- {
- __c =
- static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__res + 1)));
- _M_transform(__c, __lo, __res + 1);
- }
- return string_type(__c);
- }
-
- template<typename _CharT>
- long
- collate<_CharT>::
- do_hash(const _CharT* __lo, const _CharT* __hi) const
- {
- unsigned long __val = 0;
- for (; __lo < __hi; ++__lo)
- __val = *__lo + ((__val << 7) |
- (__val >> (numeric_limits<unsigned long>::digits - 7)));
- return static_cast<long>(__val);
+ const ios_base::fmtflags __flags = __io.flags();
+ const ios_base::fmtflags __fmt = ~(ios_base::basefield
+ | ios_base::uppercase);
+ __io.flags((__flags & __fmt) | (ios_base::hex | ios_base::showbase));
+
+ typedef __gnu_cxx::__conditional_type<(sizeof(const void*)
+ <= sizeof(unsigned long)),
+ unsigned long, unsigned long long>::__type _UIntPtrType;
+
+ __s = _M_insert_int(__s, __io, __fill,
+ reinterpret_cast<_UIntPtrType>(__v));
+ __io.flags(__flags);
+ return __s;
}
- // Convert string to numeric value of type _Tv and store results.
- // NB: This is specialized for all required types, there is no
- // generic definition.
- template<typename _Tv>
- void
- __convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err,
- const __c_locale& __cloc, int __base = 10);
-
- // Convert numeric value of type _Tv to string and return length of string.
- // If snprintf is available use it, otherwise fall back to the unsafe sprintf
- // which, in general, can be dangerous and should be avoided.
- template<typename _Tv>
- int
- __convert_from_v(char* __out, const int __size, const char* __fmt,
- _Tv __v, const __c_locale&, int __prec = -1);
+_GLIBCXX_END_LDBL_NAMESPACE
// Construct correctly padded string, as per 22.2.2.2.2
- // Assumes
+ // Assumes
// __newlen > __oldlen
// __news is allocated for __newlen size
- // Used by both num_put and ostream inserters: if __num,
- // internal-adjusted objects are padded according to the rules below
- // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
- // ones are.
// NB: Of the two parameters, _CharT can be deduced from the
// function arguments. The other (_Traits) has to be explicitly specified.
template<typename _CharT, typename _Traits>
- struct __pad
- {
- static void
- _S_pad(ios_base& __io, _CharT __fill, _CharT* __news,
- const _CharT* __olds, const streamsize __newlen,
- const streamsize __oldlen, const bool __num);
- };
-
- template<typename _CharT, typename _Traits>
- void
- __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
- _CharT* __news, const _CharT* __olds,
- const streamsize __newlen,
- const streamsize __oldlen, const bool __num)
+ void
+ __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
+ _CharT* __news, const _CharT* __olds,
+ streamsize __newlen, streamsize __oldlen)
{
- size_t __plen = static_cast<size_t>(__newlen - __oldlen);
- _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __plen));
- _Traits::assign(__pads, __plen, __fill);
-
- _CharT* __beg;
- _CharT* __end;
- size_t __mod = 0;
- size_t __beglen; //either __plen or __oldlen
- ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
+ const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
+ const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
+ // Padding last.
if (__adjust == ios_base::left)
{
- // Padding last.
- __beg = const_cast<_CharT*>(__olds);
- __beglen = __oldlen;
- __end = __pads;
+ _Traits::copy(__news, __olds, __oldlen);
+ _Traits::assign(__news + __oldlen, __plen, __fill);
+ return;
}
- else if (__adjust == ios_base::internal && __num)
+
+ size_t __mod = 0;
+ if (__adjust == ios_base::internal)
{
// Pad after the sign, if there is one.
// Pad after 0[xX], if there is one.
// Who came up with these rules, anyway? Jeeze.
- locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- const _CharT __minus = __ctype.widen('-');
- const _CharT __plus = __ctype.widen('+');
- bool __testsign = _Traits::eq(__olds[0], __minus)
- || _Traits::eq(__olds[0], __plus);
-
- bool __testhex = _Traits::eq(__ctype.widen('0'), __olds[0])
- && (_Traits::eq(__ctype.widen('x'), __olds[1])
- || _Traits::eq(__ctype.widen('X'), __olds[1]));
- if (__testhex)
- {
- __news[0] = __olds[0];
- __news[1] = __olds[1];
- __mod += 2;
- __news += 2;
- __beg = __pads;
- __beglen = __plen;
- __end = const_cast<_CharT*>(__olds + __mod);
- }
- else if (__testsign)
+ const locale& __loc = __io._M_getloc();
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+
+ if (__ctype.widen('-') == __olds[0]
+ || __ctype.widen('+') == __olds[0])
{
- _Traits::eq((__news[0] = __olds[0]), __plus) ? __plus : __minus;
- ++__mod;
+ __news[0] = __olds[0];
+ __mod = 1;
++__news;
- __beg = __pads;
- __beglen = __plen;
- __end = const_cast<_CharT*>(__olds + __mod);
}
- else
+ else if (__ctype.widen('0') == __olds[0]
+ && __oldlen > 1
+ && (__ctype.widen('x') == __olds[1]
+ || __ctype.widen('X') == __olds[1]))
{
- // Padding first.
- __beg = __pads;
- __beglen = __plen;
- __end = const_cast<_CharT*>(__olds);
+ __news[0] = __olds[0];
+ __news[1] = __olds[1];
+ __mod = 2;
+ __news += 2;
}
+ // else Padding first.
}
- else
- {
- // Padding first.
- __beg = __pads;
- __beglen = __plen;
- __end = const_cast<_CharT*>(__olds);
- }
- _Traits::copy(__news, __beg, __beglen);
- _Traits::copy(__news + __beglen, __end,
- __newlen - __beglen - __mod);
- }
-
- // Used by both numeric and monetary facets.
- // Check to make sure that the __grouping_tmp string constructed in
- // money_get or num_get matches the canonical grouping for a given
- // locale.
- // __grouping_tmp is parsed L to R
- // 1,222,444 == __grouping_tmp of "/1/3/3"
- // __grouping is parsed R to L
- // 1,222,444 == __grouping of "/3" == "/3/3/3"
- template<typename _CharT>
- bool
- __verify_grouping(const basic_string<_CharT>& __grouping,
- basic_string<_CharT>& __grouping_tmp)
- {
- int __i = 0;
- int __j = 0;
- const int __len = __grouping.size();
- const int __n = __grouping_tmp.size();
- bool __test = true;
-
- // Parsed number groupings have to match the
- // numpunct::grouping string exactly, starting at the
- // right-most point of the parsed sequence of elements ...
- while (__test && __i < __n - 1)
- for (__j = 0; __test && __j < __len && __i < __n - 1; ++__j,++__i)
- __test &= __grouping[__j] == __grouping_tmp[__n - __i - 1];
- // ... but the last parsed grouping can be <= numpunct
- // grouping.
- __j == __len ? __j = 0 : __j;
- __test &= __grouping[__j] >= __grouping_tmp[__n - __i - 1];
- return __test;
+ _Traits::assign(__news, __plen, __fill);
+ _Traits::copy(__news + __plen, __olds + __mod, __oldlen - __mod);
}
- // Used by both numeric and monetary facets.
- // Inserts "group separator" characters into an array of characters.
- // It's recursive, one iteration per group. It moves the characters
- // in the buffer this way: "xxxx12345" -> "12,345xxx". Call this
- // only with __gbeg != __gend.
template<typename _CharT>
_CharT*
- __add_grouping(_CharT* __s, _CharT __sep,
- const char* __gbeg, const char* __gend,
+ __add_grouping(_CharT* __s, _CharT __sep,
+ const char* __gbeg, size_t __gsize,
const _CharT* __first, const _CharT* __last)
{
- if (__last - __first > *__gbeg)
- {
- __s = __add_grouping(__s, __sep,
- (__gbeg + 1 == __gend ? __gbeg : __gbeg + 1),
- __gend, __first, __last - *__gbeg);
- __first = __last - *__gbeg;
- *__s++ = __sep;
- }
- do
+ size_t __idx = 0;
+ size_t __ctr = 0;
+
+ while (__last - __first > __gbeg[__idx]
+ && static_cast<signed char>(__gbeg[__idx]) > 0
+ && __gbeg[__idx] != __gnu_cxx::__numeric_traits<char>::__max)
+ {
+ __last -= __gbeg[__idx];
+ __idx < __gsize - 1 ? ++__idx : ++__ctr;
+ }
+
+ while (__first != __last)
*__s++ = *__first++;
- while (__first != __last);
+
+ while (__ctr--)
+ {
+ *__s++ = __sep;
+ for (char __i = __gbeg[__idx]; __i > 0; --__i)
+ *__s++ = *__first++;
+ }
+
+ while (__idx--)
+ {
+ *__s++ = __sep;
+ for (char __i = __gbeg[__idx]; __i > 0; --__i)
+ *__s++ = *__first++;
+ }
+
return __s;
}
// Inhibit implicit instantiations for required instantiations,
- // which are defined via explicit instantiations elsewhere.
+ // which are defined via explicit instantiations elsewhere.
// NB: This syntax is a GNU extension.
- extern template class moneypunct<char, false>;
- extern template class moneypunct<char, true>;
- extern template class moneypunct_byname<char, false>;
- extern template class moneypunct_byname<char, true>;
- extern template class money_get<char>;
- extern template class money_put<char>;
+#if _GLIBCXX_EXTERN_TEMPLATE
extern template class numpunct<char>;
extern template class numpunct_byname<char>;
- extern template class num_get<char>;
- extern template class num_put<char>;
- extern template class __timepunct<char>;
- extern template class time_put<char>;
- extern template class time_put_byname<char>;
- extern template class time_get<char>;
- extern template class time_get_byname<char>;
- extern template class messages<char>;
- extern template class messages_byname<char>;
+ extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
+ extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
extern template class ctype_byname<char>;
- extern template class codecvt_byname<char, char, mbstate_t>;
- extern template class collate<char>;
- extern template class collate_byname<char>;
-
- extern template
- const codecvt<char, char, mbstate_t>&
- use_facet<codecvt<char, char, mbstate_t> >(const locale&);
extern template
- const collate<char>&
- use_facet<collate<char> >(const locale&);
+ const ctype<char>&
+ use_facet<ctype<char> >(const locale&);
extern template
- const numpunct<char>&
+ const numpunct<char>&
use_facet<numpunct<char> >(const locale&);
- extern template
- const num_put<char>&
- use_facet<num_put<char> >(const locale&);
-
- extern template
- const num_get<char>&
- use_facet<num_get<char> >(const locale&);
-
extern template
- const moneypunct<char, true>&
- use_facet<moneypunct<char, true> >(const locale&);
+ const num_put<char>&
+ use_facet<num_put<char> >(const locale&);
extern template
- const moneypunct<char, false>&
- use_facet<moneypunct<char, false> >(const locale&);
-
- extern template
- const money_put<char>&
- use_facet<money_put<char> >(const locale&);
-
- extern template
- const money_get<char>&
- use_facet<money_get<char> >(const locale&);
+ const num_get<char>&
+ use_facet<num_get<char> >(const locale&);
extern template
- const __timepunct<char>&
- use_facet<__timepunct<char> >(const locale&);
-
- extern template
- const time_put<char>&
- use_facet<time_put<char> >(const locale&);
-
- extern template
- const time_get<char>&
- use_facet<time_get<char> >(const locale&);
-
- extern template
- const messages<char>&
- use_facet<messages<char> >(const locale&);
-
- extern template
bool
has_facet<ctype<char> >(const locale&);
- extern template
- bool
- has_facet<codecvt<char, char, mbstate_t> >(const locale&);
-
- extern template
- bool
- has_facet<collate<char> >(const locale&);
-
- extern template
+ extern template
bool
has_facet<numpunct<char> >(const locale&);
- extern template
+ extern template
bool
has_facet<num_put<char> >(const locale&);
- extern template
+ extern template
bool
has_facet<num_get<char> >(const locale&);
- extern template
- bool
- has_facet<moneypunct<char> >(const locale&);
-
- extern template
- bool
- has_facet<money_put<char> >(const locale&);
-
- extern template
- bool
- has_facet<money_get<char> >(const locale&);
-
- extern template
- bool
- has_facet<__timepunct<char> >(const locale&);
-
- extern template
- bool
- has_facet<time_put<char> >(const locale&);
-
- extern template
- bool
- has_facet<time_get<char> >(const locale&);
-
- extern template
- bool
- has_facet<messages<char> >(const locale&);
-
-#ifdef _GLIBCPP_USE_WCHAR_T
- extern template class moneypunct<wchar_t, false>;
- extern template class moneypunct<wchar_t, true>;
- extern template class moneypunct_byname<wchar_t, false>;
- extern template class moneypunct_byname<wchar_t, true>;
- extern template class money_get<wchar_t>;
- extern template class money_put<wchar_t>;
+#ifdef _GLIBCXX_USE_WCHAR_T
extern template class numpunct<wchar_t>;
extern template class numpunct_byname<wchar_t>;
- extern template class num_get<wchar_t>;
- extern template class num_put<wchar_t>;
- extern template class __timepunct<wchar_t>;
- extern template class time_put<wchar_t>;
- extern template class time_put_byname<wchar_t>;
- extern template class time_get<wchar_t>;
- extern template class time_get_byname<wchar_t>;
- extern template class messages<wchar_t>;
- extern template class messages_byname<wchar_t>;
+ extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
+ extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
extern template class ctype_byname<wchar_t>;
- extern template class codecvt_byname<wchar_t, char, mbstate_t>;
- extern template class collate<wchar_t>;
- extern template class collate_byname<wchar_t>;
-
- extern template
- const codecvt<wchar_t, char, mbstate_t>&
- use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
extern template
- const collate<wchar_t>&
- use_facet<collate<wchar_t> >(const locale&);
+ const ctype<wchar_t>&
+ use_facet<ctype<wchar_t> >(const locale&);
extern template
- const numpunct<wchar_t>&
+ const numpunct<wchar_t>&
use_facet<numpunct<wchar_t> >(const locale&);
- extern template
- const num_put<wchar_t>&
- use_facet<num_put<wchar_t> >(const locale&);
-
- extern template
- const num_get<wchar_t>&
- use_facet<num_get<wchar_t> >(const locale&);
-
- extern template
- const moneypunct<wchar_t, true>&
- use_facet<moneypunct<wchar_t, true> >(const locale&);
-
extern template
- const moneypunct<wchar_t, false>&
- use_facet<moneypunct<wchar_t, false> >(const locale&);
-
- extern template
- const money_put<wchar_t>&
- use_facet<money_put<wchar_t> >(const locale&);
-
- extern template
- const money_get<wchar_t>&
- use_facet<money_get<wchar_t> >(const locale&);
+ const num_put<wchar_t>&
+ use_facet<num_put<wchar_t> >(const locale&);
extern template
- const __timepunct<wchar_t>&
- use_facet<__timepunct<wchar_t> >(const locale&);
-
- extern template
- const time_put<wchar_t>&
- use_facet<time_put<wchar_t> >(const locale&);
-
- extern template
- const time_get<wchar_t>&
- use_facet<time_get<wchar_t> >(const locale&);
-
- extern template
- const messages<wchar_t>&
- use_facet<messages<wchar_t> >(const locale&);
+ const num_get<wchar_t>&
+ use_facet<num_get<wchar_t> >(const locale&);
- extern template
+ extern template
bool
has_facet<ctype<wchar_t> >(const locale&);
- extern template
- bool
- has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
-
- extern template
- bool
- has_facet<collate<wchar_t> >(const locale&);
-
- extern template
+ extern template
bool
has_facet<numpunct<wchar_t> >(const locale&);
- extern template
+ extern template
bool
has_facet<num_put<wchar_t> >(const locale&);
- extern template
+ extern template
bool
has_facet<num_get<wchar_t> >(const locale&);
-
- extern template
- bool
- has_facet<moneypunct<wchar_t> >(const locale&);
-
- extern template
- bool
- has_facet<money_put<wchar_t> >(const locale&);
-
- extern template
- bool
- has_facet<money_get<wchar_t> >(const locale&);
-
- extern template
- bool
- has_facet<__timepunct<wchar_t> >(const locale&);
-
- extern template
- bool
- has_facet<time_put<wchar_t> >(const locale&);
-
- extern template
- bool
- has_facet<time_get<wchar_t> >(const locale&);
-
- extern template
- bool
- has_facet<messages<wchar_t> >(const locale&);
#endif
-} // namespace std
+#endif
+
+_GLIBCXX_END_NAMESPACE
#endif
projects / msp430-gcc.git / blobdiff