--- /dev/null
+// Locale support -*- C++ -*-
+
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+// 2006, 2007, 2008, 2009, 2010, 2011
+// 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 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// 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.
+
+// 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/>.
+
+/** @file bits/locale_facets.tcc
+ * This is an internal header file, included by other library headers.
+ * Do not attempt to use it directly. @headername{locale}
+ */
+
+#ifndef _LOCALE_FACETS_TCC
+#define _LOCALE_FACETS_TCC 1
+
+#pragma GCC system_header
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ // Routine to access a cache for the facet. If the cache didn't
+ // exist before, it gets constructed on the fly.
+ template<typename _Facet>
+ struct __use_cache
+ {
+ const _Facet*
+ operator() (const locale& __loc) const;
+ };
+
+ // Specializations.
+ template<typename _CharT>
+ struct __use_cache<__numpunct_cache<_CharT> >
+ {
+ 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 = 0;
+ __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 _CharT>
+ void
+ __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
+ {
+ _M_allocated = true;
+
+ const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
+
+ char* __grouping = 0;
+ _CharT* __truename = 0;
+ _CharT* __falsename = 0;
+ __try
+ {
+ _M_grouping_size = __np.grouping().size();
+ __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();
+ __truename = new _CharT[_M_truename_size];
+ __np.truename().copy(__truename, _M_truename_size);
+ _M_truename = __truename;
+
+ _M_falsename_size = __np.falsename().size();
+ __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);
+ }
+ __catch(...)
+ {
+ delete [] __grouping;
+ delete [] __truename;
+ delete [] __falsename;
+ __throw_exception_again;
+ }
+ }
+
+ // 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"
+ _GLIBCXX_PURE bool
+ __verify_grouping(const char* __grouping, size_t __grouping_size,
+ const string& __grouping_tmp) throw ();
+
+_GLIBCXX_BEGIN_NAMESPACE_LDBL
+
+ 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;
+ 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.
+ if (!__testeof)
+ {
+ __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, look for leading zeros.
+ bool __found_mantissa = 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])
+ {
+ 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.
+ bool __found_dec = false;
+ bool __found_sci = false;
+ string __found_grouping;
+ if (__lc->_M_use_grouping)
+ __found_grouping.reserve(32);
+ const char_type* __lit_zero = __lit + __num_base::_S_izero;
+
+ 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;
+
+ 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 (__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 (__found_grouping.size())
+ {
+ // 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 (!std::__verify_grouping(__lc->_M_grouping,
+ __lc->_M_grouping_size,
+ __found_grouping))
+ __err = ios_base::failbit;
+ }
+
+ return __beg;
+ }
+
+ template<typename _CharT, typename _InIter>
+ 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;
+ }
+ }
+
+ // 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;
+
+ 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)
+ {
+ __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;
+ }
+ 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)
+ {
+ // 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
+ {
+ __testfail = true;
+ break;
+ }
+ }
+ else if (__c == __lc->_M_decimal_point)
+ break;
+ else
+ {
+ 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;
+ }
+
+ // 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);
+
+ if (!std::__verify_grouping(__lc->_M_grouping,
+ __lc->_M_grouping_size,
+ __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;
+
+ if (__testeof)
+ __err |= ios_base::eofbit;
+ return __beg;
+ }
+
+ // _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
+ {
+ 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.
+ 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;
+ }
+ }
+ else
+ {
+ // 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;
+ }
+
+ 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);
+ std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
+ if (__beg == __end)
+ __err |= ios_base::eofbit;
+ 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, double& __v) const
+ {
+ string __xtrc;
+ __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, double& __v) const
+ {
+ string __xtrc;
+ __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, long double& __v) const
+ {
+ string __xtrc;
+ __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;
+ }
+
+ 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;
+ const fmtflags __fmt = __io.flags();
+ __io.flags((__fmt & ~ios_base::basefield) | ios_base::hex);
+
+ typedef __gnu_cxx::__conditional_type<(sizeof(void*)
+ <= sizeof(unsigned long)),
+ unsigned long, unsigned long long>::__type _UIntPtrType;
+
+ _UIntPtrType __ul;
+ __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
+
+ // Reset from hex formatted input.
+ __io.flags(__fmt);
+
+ __v = reinterpret_cast<void*>(__ul);
+ return __beg;
+ }
+
+ // For use by integer and floating-point types after they have been
+ // converted into a char_type string.
+ template<typename _CharT, typename _OutIter>
+ void
+ num_put<_CharT, _OutIter>::
+ _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
+ _CharT* __new, const _CharT* __cs, int& __len) const
+ {
+ // [22.2.2.2.2] Stage 3.
+ // If necessary, pad.
+ __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new,
+ __cs, __w, __len);
+ __len = static_cast<int>(__w);
+ }
+
+_GLIBCXX_END_NAMESPACE_LDBL
+
+ template<typename _CharT, typename _ValueT>
+ int
+ __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
+ ios_base::fmtflags __flags, bool __dec)
+ {
+ _CharT* __buf = __bufend;
+ if (__builtin_expect(__dec, true))
+ {
+ // Decimal.
+ do
+ {
+ *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
+ __v /= 10;
+ }
+ while (__v != 0);
+ }
+ else if ((__flags & ios_base::basefield) == ios_base::oct)
+ {
+ // Octal.
+ do
+ {
+ *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
+ __v >>= 3;
+ }
+ while (__v != 0);
+ }
+ else
+ {
+ // Hex.
+ const bool __uppercase = __flags & ios_base::uppercase;
+ const int __case_offset = __uppercase ? __num_base::_S_oudigits
+ : __num_base::_S_odigits;
+ do
+ {
+ *--__buf = __lit[(__v & 0xf) + __case_offset];
+ __v >>= 4;
+ }
+ while (__v != 0);
+ }
+ return __bufend - __buf;
+ }
+
+_GLIBCXX_BEGIN_NAMESPACE_LDBL
+
+ 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* __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;
+ }
+ }
+
+ // 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);
+
+ // [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
+ {
+ // _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)
+ {
+ char_traits<_CharT>::copy(__p2, __p, __len - __declen);
+ __newlen += __len - __declen;
+ }
+ __len = __newlen;
+ }
+
+ // 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);
+
+ // 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
+ num_put<_CharT, _OutIter>::
+ do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
+ {
+ 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))
+ {
+ 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)
+ {
+ __s = std::__write(__s, __name, __len);
+ __s = std::__write(__s, __ps, __plen);
+ }
+ else
+ {
+ __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
+ 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); }
+
+#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, 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 _OutIter>
+ _OutIter
+ num_put<_CharT, _OutIter>::
+ do_put(iter_type __s, ios_base& __io, char_type __fill,
+ const void* __v) const
+ {
+ 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;
+ }
+
+_GLIBCXX_END_NAMESPACE_LDBL
+
+ // Construct correctly padded string, as per 22.2.2.2.2
+ // Assumes
+ // __newlen > __oldlen
+ // __news is allocated for __newlen size
+
+ // 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>
+ void
+ __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
+ _CharT* __news, const _CharT* __olds,
+ streamsize __newlen, streamsize __oldlen)
+ {
+ 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)
+ {
+ _Traits::copy(__news, __olds, __oldlen);
+ _Traits::assign(__news + __oldlen, __plen, __fill);
+ return;
+ }
+
+ 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.
+ const locale& __loc = __io._M_getloc();
+ const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
+
+ if (__ctype.widen('-') == __olds[0]
+ || __ctype.widen('+') == __olds[0])
+ {
+ __news[0] = __olds[0];
+ __mod = 1;
+ ++__news;
+ }
+ else if (__ctype.widen('0') == __olds[0]
+ && __oldlen > 1
+ && (__ctype.widen('x') == __olds[1]
+ || __ctype.widen('X') == __olds[1]))
+ {
+ __news[0] = __olds[0];
+ __news[1] = __olds[1];
+ __mod = 2;
+ __news += 2;
+ }
+ // else Padding first.
+ }
+ _Traits::assign(__news, __plen, __fill);
+ _Traits::copy(__news + __plen, __olds + __mod, __oldlen - __mod);
+ }
+
+ template<typename _CharT>
+ _CharT*
+ __add_grouping(_CharT* __s, _CharT __sep,
+ const char* __gbeg, size_t __gsize,
+ const _CharT* __first, const _CharT* __last)
+ {
+ 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 (__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.
+#if _GLIBCXX_EXTERN_TEMPLATE
+ extern template class numpunct<char>;
+ extern template class numpunct_byname<char>;
+ extern template class _GLIBCXX_NAMESPACE_LDBL num_get<char>;
+ extern template class _GLIBCXX_NAMESPACE_LDBL num_put<char>;
+ extern template class ctype_byname<char>;
+
+ extern template
+ const ctype<char>&
+ use_facet<ctype<char> >(const locale&);
+
+ extern template
+ 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
+ bool
+ has_facet<ctype<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<numpunct<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<num_put<char> >(const locale&);
+
+ extern template
+ bool
+ has_facet<num_get<char> >(const locale&);
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+ extern template class numpunct<wchar_t>;
+ extern template class numpunct_byname<wchar_t>;
+ extern template class _GLIBCXX_NAMESPACE_LDBL num_get<wchar_t>;
+ extern template class _GLIBCXX_NAMESPACE_LDBL num_put<wchar_t>;
+ extern template class ctype_byname<wchar_t>;
+
+ extern template
+ const ctype<wchar_t>&
+ use_facet<ctype<wchar_t> >(const locale&);
+
+ extern template
+ 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
+ bool
+ has_facet<ctype<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<numpunct<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<num_put<wchar_t> >(const locale&);
+
+ extern template
+ bool
+ has_facet<num_get<wchar_t> >(const locale&);
+#endif
+#endif
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
+
+#endif
projects / cross.git / blobdiff