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Diffstat (limited to 'libstdc++/include/bits/locale_facets.tcc')
| -rw-r--r-- | libstdc++/include/bits/locale_facets.tcc | 2877 |
1 files changed, 2877 insertions, 0 deletions
diff --git a/libstdc++/include/bits/locale_facets.tcc b/libstdc++/include/bits/locale_facets.tcc new file mode 100644 index 0000000..d3c47ff --- /dev/null +++ b/libstdc++/include/bits/locale_facets.tcc @@ -0,0 +1,2877 @@ +// Locale support -*- C++ -*- + +// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 +// 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) +// 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. + +// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// USA. + +// 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. + +/** @file locale_facets.tcc + * This is an internal header file, included by other library headers. + * You should not attempt to use it directly. + */ + +#ifndef _LOCALE_FACETS_TCC +#define _LOCALE_FACETS_TCC 1 + +#pragma GCC system_header + +#include <limits> // For numeric_limits +#include <typeinfo> // For bad_cast. +#include <bits/streambuf_iterator.h> +#include <ext/type_traits.h> + +_GLIBCXX_BEGIN_NAMESPACE(std) + + template<typename _Facet> + locale + locale::combine(const locale& __other) const + { + _Impl* __tmp = new _Impl(*_M_impl, 1); + try + { + __tmp->_M_replace_facet(__other._M_impl, &_Facet::id); + } + catch(...) + { + __tmp->_M_remove_reference(); + __throw_exception_again; + } + return locale(__tmp); + } + + 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 + { + 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); + } + + /** + * @brief Test for the presence of a facet. + * + * has_facet tests the locale argument for the presence of the facet type + * provided as the template parameter. Facets derived from the facet + * parameter will also return true. + * + * @param Facet The facet type to test the presence of. + * @param locale The locale to test. + * @return true if locale contains a facet of type Facet, else false. + */ + template<typename _Facet> + inline bool + has_facet(const locale& __loc) throw() + { + const size_t __i = _Facet::id._M_id(); + const locale::facet** __facets = __loc._M_impl->_M_facets; + return (__i < __loc._M_impl->_M_facets_size && __facets[__i]); + } + + /** + * @brief Return a facet. + * + * use_facet looks for and returns a reference to a facet of type Facet + * where Facet is the template parameter. If has_facet(locale) is true, + * there is a suitable facet to return. It throws std::bad_cast if the + * locale doesn't contain a facet of type Facet. + * + * @param Facet The facet type to access. + * @param locale The locale to use. + * @return Reference to facet of type Facet. + * @throw std::bad_cast if locale doesn't contain a facet of type Facet. + */ + template<typename _Facet> + inline const _Facet& + use_facet(const locale& __loc) + { + const size_t __i = _Facet::id._M_id(); + const 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]); + } + + // 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 = 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 _CharT, bool _Intl> + struct __use_cache<__moneypunct_cache<_CharT, _Intl> > + { + const __moneypunct_cache<_CharT, _Intl>* + operator() (const locale& __loc) const + { + const size_t __i = moneypunct<_CharT, _Intl>::id._M_id(); + const locale::facet** __caches = __loc._M_impl->_M_caches; + if (!__caches[__i]) + { + __moneypunct_cache<_CharT, _Intl>* __tmp = NULL; + try + { + __tmp = new __moneypunct_cache<_CharT, _Intl>; + __tmp->_M_cache(__loc); + } + catch(...) + { + delete __tmp; + __throw_exception_again; + } + __loc._M_impl->_M_install_cache(__tmp, __i); + } + return static_cast< + const __moneypunct_cache<_CharT, _Intl>*>(__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); + + _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>(__np.grouping()[0]) > 0); + + _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); + } + + template<typename _CharT, bool _Intl> + void + __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc) + { + _M_allocated = true; + + const moneypunct<_CharT, _Intl>& __mp = + use_facet<moneypunct<_CharT, _Intl> >(__loc); + + _M_grouping_size = __mp.grouping().size(); + char* __grouping = new char[_M_grouping_size]; + __mp.grouping().copy(__grouping, _M_grouping_size); + _M_grouping = __grouping; + _M_use_grouping = (_M_grouping_size + && static_cast<signed char>(__mp.grouping()[0]) > 0); + + _M_decimal_point = __mp.decimal_point(); + _M_thousands_sep = __mp.thousands_sep(); + _M_frac_digits = __mp.frac_digits(); + + _M_curr_symbol_size = __mp.curr_symbol().size(); + _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size]; + __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size); + _M_curr_symbol = __curr_symbol; + + _M_positive_sign_size = __mp.positive_sign().size(); + _CharT* __positive_sign = new _CharT[_M_positive_sign_size]; + __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size); + _M_positive_sign = __positive_sign; + + _M_negative_sign_size = __mp.negative_sign().size(); + _CharT* __negative_sign = new _CharT[_M_negative_sign_size]; + __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size); + _M_negative_sign = __negative_sign; + + _M_pos_format = __mp.pos_format(); + _M_neg_format = __mp.neg_format(); + + const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc); + __ct.widen(money_base::_S_atoms, + money_base::_S_atoms + money_base::_S_end, _M_atoms); + } + + + // 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" + static bool + __verify_grouping(const char* __grouping, size_t __grouping_size, + const string& __grouping_tmp); + +_GLIBCXX_BEGIN_LDBL_NAMESPACE + + 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; + } + + // Finish up. + if (__testeof) + __err |= ios_base::eofbit; + return __beg; + } + +_GLIBCXX_END_LDBL_NAMESPACE + +_GLIBCXX_BEGIN_LDBL_NAMESPACE + + 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; + if (numeric_limits<_ValueT>::is_signed) + __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; + const __unsigned_type __max = __negative ? + -numeric_limits<_ValueT>::min() : numeric_limits<_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) + __testfail = true; + else + { + __result *= __base; + __testfail |= __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) + __testfail = true; + else + { + __result *= __base; + __testfail |= __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; + } + + if (!__testfail && (__sep_pos || __found_zero + || __found_grouping.size())) + __v = __negative ? -__result : __result; + else + __err |= ios_base::failbit; + + 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 = __l; + else + __err |= ios_base::failbit; + } + 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; + size_t __n; + bool __testeof = __beg == __end; + for (__n = 0; !__testeof; ++__n) + { + const char_type __c = *__beg; + + if (__testf) + if (__n < __lc->_M_falsename_size) + __testf = __c == __lc->_M_falsename[__n]; + else + break; + + if (__testt) + if (__n < __lc->_M_truename_size) + __testt = __c == __lc->_M_truename[__n]; + else + break; + + if (!__testf && !__testt) + break; + + if (++__beg == __end) + __testeof = true; + } + if (__testf && __n == __lc->_M_falsename_size) + __v = 0; + else if (__testt && __n == __lc->_M_truename_size) + __v = 1; + else + __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, long& __v) const + { return _M_extract_int(__beg, __end, __io, __err, __v); } + + 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 short& __v) const + { return _M_extract_int(__beg, __end, __io, __err, __v); } + + 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 + { return _M_extract_int(__beg, __end, __io, __err, __v); } + + 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 + { return _M_extract_int(__beg, __end, __io, __err, __v); } + +#ifdef _GLIBCXX_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 + { return _M_extract_int(__beg, __end, __io, __err, __v); } + + 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 + { return _M_extract_int(__beg, __end, __io, __err, __v); } +#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, 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()); + 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()); + 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()); + 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()); + 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); + + unsigned long __ul; + __beg = _M_extract_int(__beg, __end, __io, __err, __ul); + + // Reset from hex formatted input. + __io.flags(__fmt); + + if (!(__err & ios_base::failbit)) + __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, true); + __len = static_cast<int>(__w); + } + +_GLIBCXX_END_LDBL_NAMESPACE + + 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_LDBL_NAMESPACE + + 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) ? __v : -__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 (__flags & ios_base::showpos + && numeric_limits<_ValueT>::is_signed) + *--__cs = __lit[__num_base::_S_oplus], ++__len; + } + else if (__v) + *--__cs = __lit[__num_base::_S_ominus], ++__len; + } + else if (__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 = numeric_limits<_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 = numeric_limits<_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)) + { + _CharT* __cs + = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) + * __w)); + _M_pad(__fill, __w, __io, __cs, __name, __len); + __name = __cs; + } + __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, long __v) const + { return _M_insert_int(__s, __io, __fill, __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_insert_int(__s, __io, __fill, __v); } + +#ifdef _GLIBCXX_USE_LONG_LONG + template<typename _CharT, typename _OutIter> + _OutIter + num_put<_CharT, _OutIter>:: + do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const + { return _M_insert_int(__s, __io, __fill, __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_insert_int(__s, __io, __fill, __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_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 + | ios_base::internal); + __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase)); + + __s = _M_insert_int(__s, __io, __fill, + reinterpret_cast<unsigned long>(__v)); + __io.flags(__flags); + return __s; + } + + template<typename _CharT, typename _InIter> + template<bool _Intl> + _InIter + money_get<_CharT, _InIter>:: + _M_extract(iter_type __beg, iter_type __end, ios_base& __io, + ios_base::iostate& __err, string& __units) const + { + typedef char_traits<_CharT> __traits_type; + typedef typename string_type::size_type size_type; + typedef money_base::part part; + typedef __moneypunct_cache<_CharT, _Intl> __cache_type; + + const locale& __loc = __io._M_getloc(); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + + __use_cache<__cache_type> __uc; + const __cache_type* __lc = __uc(__loc); + const char_type* __lit = __lc->_M_atoms; + + // Deduced sign. + bool __negative = false; + // Sign size. + size_type __sign_size = 0; + // True if sign is mandatory. + const bool __mandatory_sign = (__lc->_M_positive_sign_size + && __lc->_M_negative_sign_size); + // String of grouping info from thousands_sep plucked from __units. + string __grouping_tmp; + if (__lc->_M_use_grouping) + __grouping_tmp.reserve(32); + // Last position before the decimal point. + int __last_pos = 0; + // Separator positions, then, possibly, fractional digits. + int __n = 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 __res; + __res.reserve(32); + + const char_type* __lit_zero = __lit + money_base::_S_zero; + const money_base::pattern __p = __lc->_M_neg_format; + for (int __i = 0; __i < 4 && __testvalid; ++__i) + { + const part __which = static_cast<part>(__p.field[__i]); + switch (__which) + { + case money_base::symbol: + // According to 22.2.6.1.2, p2, symbol is required + // if (__io.flags() & ios_base::showbase), otherwise + // is optional and consumed only if other characters + // are needed to complete the format. + if (__io.flags() & ios_base::showbase || __sign_size > 1 + || __i == 0 + || (__i == 1 && (__mandatory_sign + || (static_cast<part>(__p.field[0]) + == money_base::sign) + || (static_cast<part>(__p.field[2]) + == money_base::space))) + || (__i == 2 && ((static_cast<part>(__p.field[3]) + == money_base::value) + || __mandatory_sign + && (static_cast<part>(__p.field[3]) + == money_base::sign)))) + { + const size_type __len = __lc->_M_curr_symbol_size; + size_type __j = 0; + for (; __beg != __end && __j < __len + && *__beg == __lc->_M_curr_symbol[__j]; + ++__beg, ++__j); + if (__j != __len + && (__j || __io.flags() & ios_base::showbase)) + __testvalid = false; + } + break; + case money_base::sign: + // Sign might not exist, or be more than one character long. + if (__lc->_M_positive_sign_size && __beg != __end + && *__beg == __lc->_M_positive_sign[0]) + { + __sign_size = __lc->_M_positive_sign_size; + ++__beg; + } + else if (__lc->_M_negative_sign_size && __beg != __end + && *__beg == __lc->_M_negative_sign[0]) + { + __negative = true; + __sign_size = __lc->_M_negative_sign_size; + ++__beg; + } + else if (__lc->_M_positive_sign_size + && !__lc->_M_negative_sign_size) + // "... if no sign is detected, the result is given the sign + // that corresponds to the source of the empty string" + __negative = true; + else if (__mandatory_sign) + __testvalid = false; + break; + case money_base::value: + // Extract digits, remove and stash away the + // grouping of found thousands separators. + for (; __beg != __end; ++__beg) + { + const char_type __c = *__beg; + const char_type* __q = __traits_type::find(__lit_zero, + 10, __c); + if (__q != 0) + { + __res += money_base::_S_atoms[__q - __lit]; + ++__n; + } + else if (__c == __lc->_M_decimal_point + && !__testdecfound) + { + __last_pos = __n; + __n = 0; + __testdecfound = true; + } + else if (__lc->_M_use_grouping + && __c == __lc->_M_thousands_sep + && !__testdecfound) + { + if (__n) + { + // Mark position for later analysis. + __grouping_tmp += static_cast<char>(__n); + __n = 0; + } + else + { + __testvalid = false; + break; + } + } + else + break; + } + if (__res.empty()) + __testvalid = false; + break; + case money_base::space: + // At least one space is required. + if (__beg != __end && __ctype.is(ctype_base::space, *__beg)) + ++__beg; + else + __testvalid = false; + case money_base::none: + // Only if not at the end of the pattern. + if (__i != 3) + for (; __beg != __end + && __ctype.is(ctype_base::space, *__beg); ++__beg); + break; + } + } + + // Need to get the rest of the sign characters, if they exist. + if (__sign_size > 1 && __testvalid) + { + const char_type* __sign = __negative ? __lc->_M_negative_sign + : __lc->_M_positive_sign; + size_type __i = 1; + for (; __beg != __end && __i < __sign_size + && *__beg == __sign[__i]; ++__beg, ++__i); + + if (__i != __sign_size) + __testvalid = false; + } + + if (__testvalid) + { + // Strip leading zeros. + if (__res.size() > 1) + { + const size_type __first = __res.find_first_not_of('0'); + const bool __only_zeros = __first == string::npos; + if (__first) + __res.erase(0, __only_zeros ? __res.size() - 1 : __first); + } + + // 22.2.6.1.2, p4 + if (__negative && __res[0] != '0') + __res.insert(__res.begin(), '-'); + + // Test for grouping fidelity. + if (__grouping_tmp.size()) + { + // Add the ending grouping. + __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos + : __n); + if (!std::__verify_grouping(__lc->_M_grouping, + __lc->_M_grouping_size, + __grouping_tmp)) + __err |= ios_base::failbit; + } + + // Iff not enough digits were supplied after the decimal-point. + if (__testdecfound && __lc->_M_frac_digits > 0 + && __n != __lc->_M_frac_digits) + __testvalid = false; + } + + // Iff valid sequence is not recognized. + if (!__testvalid) + __err |= ios_base::failbit; + else + __units.swap(__res); + + // Iff no more characters are available. + 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 + money_get<_CharT, _InIter>:: + __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, + ios_base::iostate& __err, double& __units) const + { + string __str; + __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str) + : _M_extract<false>(__beg, __end, __io, __err, __str); + std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale()); + return __beg; + } +#endif + + 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 __str; + __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str) + : _M_extract<false>(__beg, __end, __io, __err, __str); + std::__convert_to_v(__str.c_str(), __units, __err, _S_get_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& __digits) const + { + typedef typename string::size_type size_type; + + const locale& __loc = __io._M_getloc(); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + + string __str; + __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str) + : _M_extract<false>(__beg, __end, __io, __err, __str); + const size_type __len = __str.size(); + if (__len) + { + __digits.resize(__len); + __ctype.widen(__str.data(), __str.data() + __len, &__digits[0]); + } + return __beg; + } + + template<typename _CharT, typename _OutIter> + template<bool _Intl> + _OutIter + money_put<_CharT, _OutIter>:: + _M_insert(iter_type __s, ios_base& __io, char_type __fill, + const string_type& __digits) const + { + typedef typename string_type::size_type size_type; + typedef money_base::part part; + typedef __moneypunct_cache<_CharT, _Intl> __cache_type; + + const locale& __loc = __io._M_getloc(); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + + __use_cache<__cache_type> __uc; + const __cache_type* __lc = __uc(__loc); + const char_type* __lit = __lc->_M_atoms; + + // 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(); + + money_base::pattern __p; + const char_type* __sign; + size_type __sign_size; + if (!(*__beg == __lit[money_base::_S_minus])) + { + __p = __lc->_M_pos_format; + __sign = __lc->_M_positive_sign; + __sign_size = __lc->_M_positive_sign_size; + } + else + { + __p = __lc->_M_neg_format; + __sign = __lc->_M_negative_sign; + __sign_size = __lc->_M_negative_sign_size; + if (__digits.size()) + ++__beg; + } + + // Look for valid numbers in the ctype facet within input digits. + size_type __len = __ctype.scan_not(ctype_base::digit, __beg, + __beg + __digits.size()) - __beg; + if (__len) + { + // 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 __value; + __value.reserve(2 * __len); + + // Add thousands separators to non-decimal digits, per + // grouping rules. + long __paddec = __len - __lc->_M_frac_digits; + if (__paddec > 0) + { + if (__lc->_M_frac_digits < 0) + __paddec = __len; + if (__lc->_M_grouping_size) + { + __value.assign(2 * __paddec, char_type()); + _CharT* __vend = + std::__add_grouping(&__value[0], __lc->_M_thousands_sep, + __lc->_M_grouping, + __lc->_M_grouping_size, + __beg, __beg + __paddec); + __value.erase(__vend - &__value[0]); + } + else + __value.assign(__beg, __paddec); + } + + // Deal with decimal point, decimal digits. + if (__lc->_M_frac_digits > 0) + { + __value += __lc->_M_decimal_point; + if (__paddec >= 0) + __value.append(__beg + __paddec, __lc->_M_frac_digits); + else + { + // Have to pad zeros in the decimal position. + __value.append(-__paddec, __lit[money_base::_S_zero]); + __value.append(__beg, __len); + } + } + + // Calculate length of resulting string. + const ios_base::fmtflags __f = __io.flags() + & ios_base::adjustfield; + __len = __value.size() + __sign_size; + __len += ((__io.flags() & ios_base::showbase) + ? __lc->_M_curr_symbol_size : 0); + + string_type __res; + __res.reserve(2 * __len); + + const size_type __width = static_cast<size_type>(__io.width()); + const bool __testipad = (__f == ios_base::internal + && __len < __width); + // Fit formatted digits into the required pattern. + for (int __i = 0; __i < 4; ++__i) + { + const part __which = static_cast<part>(__p.field[__i]); + switch (__which) + { + case money_base::symbol: + if (__io.flags() & ios_base::showbase) + __res.append(__lc->_M_curr_symbol, + __lc->_M_curr_symbol_size); + break; + case money_base::sign: + // Sign might not exist, or be more than one + // charater long. In that case, add in the rest + // below. + if (__sign_size) + __res += __sign[0]; + break; + case money_base::value: + __res += __value; + break; + case money_base::space: + // At least one space is required, but if internal + // formatting is required, an arbitrary number of + // fill spaces will be necessary. + if (__testipad) + __res.append(__width - __len, __fill); + else + __res += __fill; + break; + case money_base::none: + if (__testipad) + __res.append(__width - __len, __fill); + break; + } + } + + // Special case of multi-part sign parts. + if (__sign_size > 1) + __res.append(__sign + 1, __sign_size - 1); + + // Pad, if still necessary. + __len = __res.size(); + if (__width > __len) + { + if (__f == ios_base::left) + // After. + __res.append(__width - __len, __fill); + else + // Before. + __res.insert(0, __width - __len, __fill); + __len = __width; + } + + // Write resulting, fully-formatted string to output iterator. + __s = std::__write(__s, __res.data(), __len); + } + __io.width(0); + return __s; + } + +#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ + template<typename _CharT, typename _OutIter> + _OutIter + money_put<_CharT, _OutIter>:: + __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, + double __units) const + { return this->do_put(__s, __intl, __io, __fill, (long double) __units); } +#endif + + template<typename _CharT, typename _OutIter> + _OutIter + money_put<_CharT, _OutIter>:: + do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, + long double __units) const + { + const locale __loc = __io.getloc(); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); +#ifdef _GLIBCXX_USE_C99 + // First try a buffer perhaps big enough. + int __cs_size = 64; + char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); + // _GLIBCXX_RESOLVE_LIB_DEFECTS + // 328. Bad sprintf format modifier in money_put<>::do_put() + int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, + "%.*Lf", 0, __units); + // 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, + "%.*Lf", 0, __units); + } +#else + // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'. + const int __cs_size = numeric_limits<long double>::max_exponent10 + 3; + char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); + int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf", + 0, __units); +#endif + string_type __digits(__len, char_type()); + __ctype.widen(__cs, __cs + __len, &__digits[0]); + return __intl ? _M_insert<true>(__s, __io, __fill, __digits) + : _M_insert<false>(__s, __io, __fill, __digits); + } + + template<typename _CharT, typename _OutIter> + _OutIter + money_put<_CharT, _OutIter>:: + do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, + const string_type& __digits) const + { return __intl ? _M_insert<true>(__s, __io, __fill, __digits) + : _M_insert<false>(__s, __io, __fill, __digits); } + +_GLIBCXX_END_LDBL_NAMESPACE + + // NB: Not especially useful. Without an ios_base object or some + // kind of locale reference, we are left clawing at the air where + // the side of the mountain used to be... + template<typename _CharT, typename _InIter> + time_base::dateorder + time_get<_CharT, _InIter>::do_date_order() const + { return time_base::no_order; } + + // Expand a strftime format string and parse it. E.g., do_get_date() may + // pass %m/%d/%Y => extracted characters. + template<typename _CharT, typename _InIter> + _InIter + time_get<_CharT, _InIter>:: + _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io, + ios_base::iostate& __err, tm* __tm, + const _CharT* __format) const + { + const locale& __loc = __io._M_getloc(); + const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + const size_t __len = char_traits<_CharT>::length(__format); + + ios_base::iostate __tmperr = ios_base::goodbit; + for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i) + { + if (__ctype.narrow(__format[__i], 0) == '%') + { + // Verify valid formatting code, attempt to extract. + char __c = __ctype.narrow(__format[++__i], 0); + int __mem = 0; + if (__c == 'E' || __c == 'O') + __c = __ctype.narrow(__format[++__i], 0); + switch (__c) + { + const char* __cs; + _CharT __wcs[10]; + case 'a': + // Abbreviated weekday name [tm_wday] + const char_type* __days1[7]; + __tp._M_days_abbreviated(__days1); + __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1, + 7, __io, __tmperr); + break; + case 'A': + // Weekday name [tm_wday]. + const char_type* __days2[7]; + __tp._M_days(__days2); + __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2, + 7, __io, __tmperr); + break; + case 'h': + case 'b': + // Abbreviated month name [tm_mon] + const char_type* __months1[12]; + __tp._M_months_abbreviated(__months1); + __beg = _M_extract_name(__beg, __end, __tm->tm_mon, + __months1, 12, __io, __tmperr); + break; + case 'B': + // Month name [tm_mon]. + const char_type* __months2[12]; + __tp._M_months(__months2); + __beg = _M_extract_name(__beg, __end, __tm->tm_mon, + __months2, 12, __io, __tmperr); + break; + case 'c': + // Default time and date representation. + const char_type* __dt[2]; + __tp._M_date_time_formats(__dt); + __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, + __tm, __dt[0]); + break; + case 'd': + // Day [01, 31]. [tm_mday] + __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2, + __io, __tmperr); + break; + case 'e': + // Day [1, 31], with single digits preceded by + // space. [tm_mday] + if (__ctype.is(ctype_base::space, *__beg)) + __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9, + 1, __io, __tmperr); + else + __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31, + 2, __io, __tmperr); + break; + case 'D': + // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year] + __cs = "%m/%d/%y"; + __ctype.widen(__cs, __cs + 9, __wcs); + __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, + __tm, __wcs); + break; + case 'H': + // Hour [00, 23]. [tm_hour] + __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2, + __io, __tmperr); + break; + case 'I': + // Hour [01, 12]. [tm_hour] + __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2, + __io, __tmperr); + break; + case 'm': + // Month [01, 12]. [tm_mon] + __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2, + __io, __tmperr); + if (!__tmperr) + __tm->tm_mon = __mem - 1; + break; + case 'M': + // Minute [00, 59]. [tm_min] + __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2, + __io, __tmperr); + break; + case 'n': + if (__ctype.narrow(*__beg, 0) == '\n') + ++__beg; + else + __tmperr |= ios_base::failbit; + break; + case 'R': + // Equivalent to (%H:%M). + __cs = "%H:%M"; + __ctype.widen(__cs, __cs + 6, __wcs); + __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, + __tm, __wcs); + break; + case 'S': + // Seconds. [tm_sec] + // [00, 60] in C99 (one leap-second), [00, 61] in C89. +#ifdef _GLIBCXX_USE_C99 + __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2, +#else + __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2, +#endif + __io, __tmperr); + break; + case 't': + if (__ctype.narrow(*__beg, 0) == '\t') + ++__beg; + else + __tmperr |= ios_base::failbit; + break; + case 'T': + // Equivalent to (%H:%M:%S). + __cs = "%H:%M:%S"; + __ctype.widen(__cs, __cs + 9, __wcs); + __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, + __tm, __wcs); + break; + case 'x': + // Locale's date. + const char_type* __dates[2]; + __tp._M_date_formats(__dates); + __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, + __tm, __dates[0]); + break; + case 'X': + // Locale's time. + const char_type* __times[2]; + __tp._M_time_formats(__times); + __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, + __tm, __times[0]); + break; + case 'y': + case 'C': // C99 + // Two digit year. [tm_year] + __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2, + __io, __tmperr); + break; + case 'Y': + // Year [1900). [tm_year] + __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4, + __io, __tmperr); + if (!__tmperr) + __tm->tm_year = __mem - 1900; + break; + case 'Z': + // Timezone info. + if (__ctype.is(ctype_base::upper, *__beg)) + { + int __tmp; + __beg = _M_extract_name(__beg, __end, __tmp, + __timepunct_cache<_CharT>::_S_timezones, + 14, __io, __tmperr); + + // GMT requires special effort. + if (__beg != __end && !__tmperr && __tmp == 0 + && (*__beg == __ctype.widen('-') + || *__beg == __ctype.widen('+'))) + { + __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2, + __io, __tmperr); + __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2, + __io, __tmperr); + } + } + else + __tmperr |= ios_base::failbit; + break; + default: + // Not recognized. + __tmperr |= ios_base::failbit; + } + } + else + { + // Verify format and input match, extract and discard. + if (__format[__i] == *__beg) + ++__beg; + else + __tmperr |= ios_base::failbit; + } + } + + if (__tmperr) + __err |= ios_base::failbit; + + return __beg; + } + + template<typename _CharT, typename _InIter> + _InIter + time_get<_CharT, _InIter>:: + _M_extract_num(iter_type __beg, iter_type __end, int& __member, + int __min, int __max, size_t __len, + ios_base& __io, ios_base::iostate& __err) const + { + const locale& __loc = __io._M_getloc(); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + + // As-is works for __len = 1, 2, 4, the values actually used. + int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1); + + ++__min; + size_t __i = 0; + int __value = 0; + for (; __beg != __end && __i < __len; ++__beg, ++__i) + { + const char __c = __ctype.narrow(*__beg, '*'); + if (__c >= '0' && __c <= '9') + { + __value = __value * 10 + (__c - '0'); + const int __valuec = __value * __mult; + if (__valuec > __max || __valuec + __mult < __min) + break; + __mult /= 10; + } + else + break; + } + if (__i == __len) + __member = __value; + else + __err |= ios_base::failbit; + + return __beg; + } + + // Assumptions: + // All elements in __names are unique. + template<typename _CharT, typename _InIter> + _InIter + time_get<_CharT, _InIter>:: + _M_extract_name(iter_type __beg, iter_type __end, int& __member, + const _CharT** __names, size_t __indexlen, + ios_base& __io, ios_base::iostate& __err) const + { + typedef char_traits<_CharT> __traits_type; + const locale& __loc = __io._M_getloc(); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + + int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int) + * __indexlen)); + size_t __nmatches = 0; + size_t __pos = 0; + bool __testvalid = true; + const char_type* __name; + + // Look for initial matches. + // NB: Some of the locale data is in the form of all lowercase + // names, and some is in the form of initially-capitalized + // names. Look for both. + if (__beg != __end) + { + const char_type __c = *__beg; + for (size_t __i1 = 0; __i1 < __indexlen; ++__i1) + if (__c == __names[__i1][0] + || __c == __ctype.toupper(__names[__i1][0])) + __matches[__nmatches++] = __i1; + } + + while (__nmatches > 1) + { + // Find smallest matching string. + size_t __minlen = __traits_type::length(__names[__matches[0]]); + for (size_t __i2 = 1; __i2 < __nmatches; ++__i2) + __minlen = std::min(__minlen, + __traits_type::length(__names[__matches[__i2]])); + ++__beg, ++__pos; + if (__pos < __minlen && __beg != __end) + for (size_t __i3 = 0; __i3 < __nmatches;) + { + __name = __names[__matches[__i3]]; + if (!(__name[__pos] == *__beg)) + __matches[__i3] = __matches[--__nmatches]; + else + ++__i3; + } + else + break; + } + + if (__nmatches == 1) + { + // Make sure found name is completely extracted. + ++__beg, ++__pos; + __name = __names[__matches[0]]; + const size_t __len = __traits_type::length(__name); + while (__pos < __len && __beg != __end && __name[__pos] == *__beg) + ++__beg, ++__pos; + + if (__len == __pos) + __member = __matches[0]; + else + __testvalid = false; + } + else + __testvalid = false; + if (!__testvalid) + __err |= ios_base::failbit; + + return __beg; + } + + template<typename _CharT, typename _InIter> + _InIter + time_get<_CharT, _InIter>:: + do_get_time(iter_type __beg, iter_type __end, ios_base& __io, + ios_base::iostate& __err, tm* __tm) const + { + const locale& __loc = __io._M_getloc(); + const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); + const char_type* __times[2]; + __tp._M_time_formats(__times); + __beg = _M_extract_via_format(__beg, __end, __io, __err, + __tm, __times[0]); + if (__beg == __end) + __err |= ios_base::eofbit; + return __beg; + } + + template<typename _CharT, typename _InIter> + _InIter + time_get<_CharT, _InIter>:: + do_get_date(iter_type __beg, iter_type __end, ios_base& __io, + ios_base::iostate& __err, tm* __tm) const + { + const locale& __loc = __io._M_getloc(); + const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); + const char_type* __dates[2]; + __tp._M_date_formats(__dates); + __beg = _M_extract_via_format(__beg, __end, __io, __err, + __tm, __dates[0]); + if (__beg == __end) + __err |= ios_base::eofbit; + return __beg; + } + + template<typename _CharT, typename _InIter> + _InIter + time_get<_CharT, _InIter>:: + do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io, + ios_base::iostate& __err, tm* __tm) const + { + typedef char_traits<_CharT> __traits_type; + const locale& __loc = __io._M_getloc(); + const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + const char_type* __days[7]; + __tp._M_days_abbreviated(__days); + int __tmpwday; + ios_base::iostate __tmperr = ios_base::goodbit; + __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, + __io, __tmperr); + + // 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 (!__tmperr && __beg != __end) + { + 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) + __tmperr |= ios_base::failbit; + } + } + if (!__tmperr) + __tm->tm_wday = __tmpwday; + else + __err |= ios_base::failbit; + + if (__beg == __end) + __err |= ios_base::eofbit; + return __beg; + } + + 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 + { + typedef char_traits<_CharT> __traits_type; + const locale& __loc = __io._M_getloc(); + const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + const char_type* __months[12]; + __tp._M_months_abbreviated(__months); + int __tmpmon; + ios_base::iostate __tmperr = ios_base::goodbit; + __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12, + __io, __tmperr); + + // 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 (!__tmperr && __beg != __end) + { + 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) + __tmperr |= ios_base::failbit; + } + } + if (!__tmperr) + __tm->tm_mon = __tmpmon; + else + __err |= ios_base::failbit; + + if (__beg == __end) + __err |= ios_base::eofbit; + return __beg; + } + + 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 + { + const locale& __loc = __io._M_getloc(); + const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); + + size_t __i = 0; + int __value = 0; + for (; __beg != __end && __i < 4; ++__beg, ++__i) + { + const char __c = __ctype.narrow(*__beg, '*'); + if (__c >= '0' && __c <= '9') + __value = __value * 10 + (__c - '0'); + else + break; + } + if (__i == 2 || __i == 4) + __tm->tm_year = __i == 2 ? __value : __value - 1900; + else + __err |= ios_base::failbit; + + if (__beg == __end) + __err |= ios_base::eofbit; + return __beg; + } + + template<typename _CharT, typename _OutIter> + _OutIter + time_put<_CharT, _OutIter>:: + put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, + const _CharT* __beg, const _CharT* __end) const + { + const locale& __loc = __io._M_getloc(); + ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); + for (; __beg != __end; ++__beg) + if (__ctype.narrow(*__beg, 0) != '%') + { + *__s = *__beg; + ++__s; + } + else if (++__beg != __end) + { + char __format; + char __mod = 0; + const char __c = __ctype.narrow(*__beg, 0); + if (__c != 'E' && __c != 'O') + __format = __c; + else if (++__beg != __end) + { + __mod = __c; + __format = __ctype.narrow(*__beg, 0); + } + else + break; + __s = this->do_put(__s, __io, __fill, __tm, __format, __mod); + } + else + break; + 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 + { + const locale& __loc = __io._M_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 = 128; + 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. + return std::__write(__s, __res, char_traits<char_type>::length(__res)); + } + + // Generic version does nothing. + template<typename _CharT> + int + collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const + { return 0; } + + // Generic version does nothing. + template<typename _CharT> + size_t + collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const + { return 0; } + + template<typename _CharT> + int + collate<_CharT>:: + do_compare(const _CharT* __lo1, const _CharT* __hi1, + const _CharT* __lo2, const _CharT* __hi2) const + { + // strcoll assumes zero-terminated strings so we make a copy + // and then put a zero at the end. + const string_type __one(__lo1, __hi1); + const string_type __two(__lo2, __hi2); + + const _CharT* __p = __one.c_str(); + const _CharT* __pend = __one.data() + __one.length(); + const _CharT* __q = __two.c_str(); + const _CharT* __qend = __two.data() + __two.length(); + + // strcoll stops when it sees a nul character so we break + // the strings into zero-terminated substrings and pass those + // to strcoll. + for (;;) + { + const int __res = _M_compare(__p, __q); + if (__res) + return __res; + + __p += char_traits<_CharT>::length(__p); + __q += char_traits<_CharT>::length(__q); + if (__p == __pend && __q == __qend) + return 0; + else if (__p == __pend) + return -1; + else if (__q == __qend) + return 1; + + __p++; + __q++; + } + } + + template<typename _CharT> + typename collate<_CharT>::string_type + collate<_CharT>:: + do_transform(const _CharT* __lo, const _CharT* __hi) const + { + string_type __ret; + + // strxfrm assumes zero-terminated strings so we make a copy + const string_type __str(__lo, __hi); + + const _CharT* __p = __str.c_str(); + const _CharT* __pend = __str.data() + __str.length(); + + size_t __len = (__hi - __lo) * 2; + + _CharT* __c = new _CharT[__len]; + + try + { + // strxfrm stops when it sees a nul character so we break + // the string into zero-terminated substrings and pass those + // to strxfrm. + for (;;) + { + // First try a buffer perhaps big enough. + size_t __res = _M_transform(__c, __p, __len); + // If the buffer was not large enough, try again with the + // correct size. + if (__res >= __len) + { + __len = __res + 1; + delete [] __c, __c = 0; + __c = new _CharT[__len]; + __res = _M_transform(__c, __p, __len); + } + + __ret.append(__c, __res); + __p += char_traits<_CharT>::length(__p); + if (__p == __pend) + break; + + __p++; + __ret.push_back(_CharT()); + } + } + catch(...) + { + delete [] __c; + __throw_exception_again; + } + + delete [] __c; + + return __ret; + } + + 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); + } + + // Construct correctly padded string, as per 22.2.2.2.2 + // 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> + 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) + { + 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, const_cast<_CharT*>(__olds), __oldlen); + _Traits::assign(__news + __oldlen, __plen, __fill); + return; + } + + size_t __mod = 0; + if (__adjust == ios_base::internal && __num) + { + // 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); + + const bool __testsign = (__ctype.widen('-') == __olds[0] + || __ctype.widen('+') == __olds[0]); + const bool __testhex = (__ctype.widen('0') == __olds[0] + && __oldlen > 1 + && (__ctype.widen('x') == __olds[1] + || __ctype.widen('X') == __olds[1])); + if (__testhex) + { + __news[0] = __olds[0]; + __news[1] = __olds[1]; + __mod = 2; + __news += 2; + } + else if (__testsign) + { + __news[0] = __olds[0]; + __mod = 1; + ++__news; + } + // else Padding first. + } + _Traits::assign(__news, __plen, __fill); + _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod), + __oldlen - __mod); + } + + bool + __verify_grouping(const char* __grouping, size_t __grouping_size, + const string& __grouping_tmp) + { + const size_t __n = __grouping_tmp.size() - 1; + const size_t __min = std::min(__n, size_t(__grouping_size - 1)); + size_t __i = __n; + 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 ... + for (size_t __j = 0; __j < __min && __test; --__i, ++__j) + __test = __grouping_tmp[__i] == __grouping[__j]; + for (; __i && __test; --__i) + __test = __grouping_tmp[__i] == __grouping[__min]; + // ... but the first parsed grouping can be <= numpunct + // grouping (only do the check if the numpunct char is > 0 + // because <= 0 means any size is ok). + if (static_cast<signed char>(__grouping[__min]) > 0) + __test &= __grouping_tmp[0] <= __grouping[__min]; + return __test; + } + + 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) + { + __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. + // NB: This syntax is a GNU extension. +#if _GLIBCXX_EXTERN_TEMPLATE + 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 _GLIBCXX_LDBL_NAMESPACE money_get<char>; + extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>; + extern template class numpunct<char>; + extern template class numpunct_byname<char>; + extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>; + extern template class _GLIBCXX_LDBL_NAMESPACE 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 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&); + + 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 + const moneypunct<char, true>& + use_facet<moneypunct<char, true> >(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&); + + 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 + 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&); + + 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 _GLIBCXX_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 _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>; + extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>; + extern template class numpunct<wchar_t>; + extern template class numpunct_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 __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 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&); + + 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 + 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&); + + 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&); + + 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 + 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&); + + 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 +#endif + +_GLIBCXX_END_NAMESPACE + +#endif |
