// Locale support -*- C++ -*- // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 // 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // 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. // Warning: this file is not meant for user inclusion. Use . #ifndef _LOCALE_FACETS_TCC #define _LOCALE_FACETS_TCC 1 #pragma GCC system_header #include // For numeric_limits #include // For bad_cast. #include namespace std { template 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 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 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 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(*__facets[__i]); } // Routine to access a cache for the facet. If the cache didn't // exist before, it gets constructed on the fly. template struct __use_cache { const _Facet* operator() (const locale& __loc) const; }; // Specializations. template 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*>(__caches[__i]); } }; template 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 void __numpunct_cache<_CharT>::_M_cache(const locale& __loc) { _M_allocated = true; const numpunct<_CharT>& __np = use_facet >(__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 && __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 >(__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 void __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc) { _M_allocated = true; const moneypunct<_CharT, _Intl>& __mp = use_facet >(__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 && __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 >(__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); template _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 typename numpunct<_CharT>::__cache_type __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; // True if a mantissa is found. bool __found_mantissa = false; // First check for sign. if (__beg != __end) { const char_type __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 ? '+' : '-'; ++__beg; } } // Next, look for leading zeros. while (__beg != __end) { const char_type __c = *__beg; 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; } ++__beg; } 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); int __sep_pos = 0; const char_type* __lit_zero = __lit + __num_base::_S_izero; while (__beg != __end) { // According to 22.2.2.1.2, p8-9, first look for thousands_sep // and decimal_point. const char_type __c = *__beg; 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(__sep_pos); __sep_pos = 0; ++__beg; } else { __err |= ios_base::failbit; 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(__sep_pos); __xtrc += '.'; __found_dec = true; ++__beg; } else break; } else { const char_type* __q = __traits_type::find(__lit_zero, 10, __c); if (__q) { __xtrc += __num_base::_S_atoms_in[__q - __lit]; __found_mantissa = true; ++__sep_pos; ++__beg; } else if ((__c == __lit[__num_base::_S_ie] || __c == __lit[__num_base::_S_iE]) && __found_mantissa && !__found_sci) { // Scientific notation. if (__found_grouping.size() && !__found_dec) __found_grouping += static_cast(__sep_pos); __xtrc += 'e'; __found_sci = true; // Remove optional plus or minus sign, if they exist. if (++__beg != __end) { const bool __plus = *__beg == __lit[__num_base::_S_iplus]; if ((__plus || *__beg == __lit[__num_base::_S_iminus]) && !(__lc->_M_use_grouping && *__beg == __lc->_M_thousands_sep) && !(*__beg == __lc->_M_decimal_point)) { __xtrc += __plus ? '+' : '-'; ++__beg; } } } else // Not a valid input item. break; } } // 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(__sep_pos); if (!std::__verify_grouping(__lc->_M_grouping, __lc->_M_grouping_size, __found_grouping)) __err |= ios_base::failbit; } // Finish up. if (__beg == __end) __err |= ios_base::eofbit; return __beg; } template template _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; typedef typename numpunct<_CharT>::__cache_type __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; // 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 numeric digits are found. bool __found_num = false; // First check for sign. bool __negative = false; if (__beg != __end) { const char_type __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)) ++__beg; } // Next, look for leading zeros and check required digits // for base formats. while (__beg != __end) { const char_type __c = *__beg; 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_num || __base == 10)) { __found_num = true; ++__beg; } else if (__found_num) { if (__c == __lit[__num_base::_S_ix] || __c == __lit[__num_base::_S_iX]) { if (__basefield == 0) __base = 16; if (__base == 16) { __found_num = false; ++__beg; } } else if (__basefield == 0) __base = 8; break; } else break; } // 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); int __sep_pos = 0; bool __overflow = false; _ValueT __result = 0; const char_type* __lit_zero = __lit + __num_base::_S_izero; if (__negative) { const _ValueT __min = numeric_limits<_ValueT>::min() / __base; for (; __beg != __end; ++__beg) { // According to 22.2.2.1.2, p8-9, first look for thousands_sep // and decimal_point. const char_type __c = *__beg; 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(__sep_pos); __sep_pos = 0; } else { __err |= ios_base::failbit; break; } } else if (__c == __lc->_M_decimal_point) break; else { const char_type* __q = __traits_type::find(__lit_zero, __len, __c); if (__q) { int __digit = __q - __lit_zero; if (__digit > 15) __digit -= 6; if (__result < __min) __overflow = true; else { const _ValueT __new_result = (__result * __base - __digit); __overflow |= __new_result > __result; __result = __new_result; ++__sep_pos; __found_num = true; } } else // Not a valid input item. break; } } } else { const _ValueT __max = numeric_limits<_ValueT>::max() / __base; for (; __beg != __end; ++__beg) { const char_type __c = *__beg; if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep) { if (__sep_pos) { __found_grouping += static_cast(__sep_pos); __sep_pos = 0; } else { __err |= ios_base::failbit; break; } } else if (__c == __lc->_M_decimal_point) break; else { const char_type* __q = __traits_type::find(__lit_zero, __len, __c); if (__q) { int __digit = __q - __lit_zero; if (__digit > 15) __digit -= 6; if (__result > __max) __overflow = true; else { const _ValueT __new_result = (__result * __base + __digit); __overflow |= __new_result < __result; __result = __new_result; ++__sep_pos; __found_num = true; } } else break; } } } // 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(__sep_pos); if (!std::__verify_grouping(__lc->_M_grouping, __lc->_M_grouping_size, __found_grouping)) __err |= ios_base::failbit; } if (!(__err & ios_base::failbit) && !__overflow && __found_num) __v = __result; else __err |= ios_base::failbit; if (__beg == __end) __err |= ios_base::eofbit; return __beg; } // _GLIBCXX_RESOLVE_LIB_DEFECTS // 17. Bad bool parsing template _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 typename numpunct<_CharT>::__cache_type __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; for (__n = 0; __beg != __end; ++__n, ++__beg) { if (__testf) if (__n < __lc->_M_falsename_size) __testf = *__beg == __lc->_M_falsename[__n]; else break; if (__testt) if (__n < __lc->_M_truename_size) __testt = *__beg == __lc->_M_truename[__n]; else break; if (!__testf && !__testt) break; } 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 (__beg == __end) __err |= ios_base::eofbit; } return __beg; } template _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 _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 _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 _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 _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 _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 _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 _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; } template _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 _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(__ul); else __err |= ios_base::failbit; return __beg; } // For use by integer and floating-point types after they have been // converted into a char_type string. template 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(__w); } // Forwarding functions to peel signed from unsigned integer types. template inline int __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit, ios_base::fmtflags __flags) { unsigned long __ul = static_cast(__v); bool __neg = false; if (__v < 0) { __ul = -__ul; __neg = true; } return __int_to_char(__bufend, __ul, __lit, __flags, __neg); } template inline int __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit, ios_base::fmtflags __flags) { // About showpos, see Table 60 and C99 7.19.6.1, p6 (+). return __int_to_char(__bufend, __v, __lit, __flags & ~ios_base::showpos, false); } #ifdef _GLIBCXX_USE_LONG_LONG template inline int __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit, ios_base::fmtflags __flags) { unsigned long long __ull = static_cast(__v); bool __neg = false; if (__v < 0) { __ull = -__ull; __neg = true; } return __int_to_char(__bufend, __ull, __lit, __flags, __neg); } template inline int __int_to_char(_CharT* __bufend, unsigned long long __v, const _CharT* __lit, ios_base::fmtflags __flags) { return __int_to_char(__bufend, __v, __lit, __flags & ~ios_base::showpos, false); } #endif template int __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit, ios_base::fmtflags __flags, bool __neg) { // Don't write base if already 0. const bool __showbase = (__flags & ios_base::showbase) && __v; const ios_base::fmtflags __basefield = __flags & ios_base::basefield; _CharT* __buf = __bufend - 1; if (__builtin_expect(__basefield != ios_base::oct && __basefield != ios_base::hex, true)) { // Decimal. do { *__buf-- = __lit[(__v % 10) + __num_base::_S_odigits]; __v /= 10; } while (__v != 0); if (__neg) *__buf-- = __lit[__num_base::_S_ominus]; else if (__flags & ios_base::showpos) *__buf-- = __lit[__num_base::_S_oplus]; } else if (__basefield == ios_base::oct) { // Octal. do { *__buf-- = __lit[(__v & 0x7) + __num_base::_S_odigits]; __v >>= 3; } while (__v != 0); if (__showbase) *__buf-- = __lit[__num_base::_S_odigits]; } 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); if (__showbase) { // 'x' or 'X' *__buf-- = __lit[__num_base::_S_ox + __uppercase]; // '0' *__buf-- = __lit[__num_base::_S_odigits]; } } return __bufend - __buf - 1; } template void num_put<_CharT, _OutIter>:: _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep, ios_base& __io, _CharT* __new, _CharT* __cs, int& __len) const { // By itself __add_grouping cannot deal correctly with __cs when // ios::showbase is set and ios_base::oct || ios_base::hex. // Therefore we take care "by hand" of the initial 0, 0x or 0X. // However, remember that the latter do not occur if the number // printed is '0' (__len == 1). streamsize __off = 0; const ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield; if ((__io.flags() & ios_base::showbase) && __len > 1) if (__basefield == ios_base::oct) { __off = 1; __new[0] = __cs[0]; } else if (__basefield == ios_base::hex) { __off = 2; __new[0] = __cs[0]; __new[1] = __cs[1]; } _CharT* __p = std::__add_grouping(__new + __off, __sep, __grouping, __grouping_size, __cs + __off, __cs + __len); __len = __p - __new; } template template _OutIter num_put<_CharT, _OutIter>:: _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill, _ValueT __v) const { typedef typename numpunct<_CharT>::__cache_type __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; // Long enough to hold hex, dec, and octal representations. const int __ilen = 4 * 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. int __len; __len = __int_to_char(__cs + __ilen, __v, __lit, __io.flags()); __cs += __ilen - __len; // Add grouping, if necessary. if (__lc->_M_use_grouping) { // Grouping can add (almost) as many separators as the // number of digits, but no more. _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len * 2)); _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size, __lc->_M_thousands_sep, __io, __cs2, __cs, __len); __cs = __cs2; } // Pad. const streamsize __w = __io.width(); if (__w > static_cast(__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 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 snprintf (or sprintf(), 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 template _OutIter num_put<_CharT, _OutIter>:: _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod, _ValueT __v) const { typedef typename numpunct<_CharT>::__cache_type __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. streamsize __prec = __io.precision(); if (__prec < static_cast(0)) __prec = static_cast(6); 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]; #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(__builtin_alloca(__cs_size)); __num_base::_S_format_float(__io, __fbuf, __mod); __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v, _S_get_c_locale(), __prec); // If the buffer was not large enough, try again with the correct size. if (__len >= __cs_size) { __cs_size = __len + 1; __cs = static_cast(__builtin_alloca(__cs_size)); __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v, _S_get_c_locale(), __prec); } #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(__builtin_alloca(__cs_size)); __num_base::_S_format_float(__io, __fbuf, __mod); __len = std::__convert_from_v(__cs, 0, __fbuf, __v, _S_get_c_locale(), __prec); #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 >(__loc); _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len)); __ctype.widen(__cs, __cs + __len, __ws); // Replace decimal point. const _CharT __cdec = __ctype.widen('.'); const _CharT __dec = __lc->_M_decimal_point; const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec); if (__p) __ws[__p - __ws] = __dec; // Add grouping, if necessary. if (__lc->_M_use_grouping) { // 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)); _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size, __lc->_M_thousands_sep, __p, __ws2, __ws, __len); __ws = __ws2; } // Pad. const streamsize __w = __io.width(); if (__w > static_cast(__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 _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 typename numpunct<_CharT>::__cache_type __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(__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 _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 _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 _OutIter num_put<_CharT, _OutIter>:: do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const { return _M_insert_int(__s, __b, __fill, __v); } template _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 _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); } template _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 _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(__v)); __io.flags(__flags); return __s; } template template _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<_CharT, _Intl> __moneypunct_type; typedef typename __moneypunct_type::__cache_type __cache_type; const locale& __loc = __io._M_getloc(); const ctype<_CharT>& __ctype = use_facet >(__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(__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(__p.field[0]) == money_base::sign) || (static_cast(__p.field[2]) == money_base::space))) || (__i == 2 && ((static_cast(__p.field[3]) == money_base::value) || __mandatory_sign && (static_cast(__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* __q = __traits_type::find(__lit_zero, 10, *__beg); if (__q != 0) { __res += money_base::_S_atoms[__q - __lit]; ++__n; } else if (*__beg == __lc->_M_decimal_point && !__testdecfound) { __last_pos = __n; __n = 0; __testdecfound = true; } else if (__lc->_M_use_grouping && *__beg == __lc->_M_thousands_sep && !__testdecfound) { if (__n) { // Mark position for later analysis. __grouping_tmp += static_cast(__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(__testdecfound ? __last_pos : __n); if (!std::__verify_grouping(__lc->_M_grouping, __lc->_M_grouping_size, __grouping_tmp)) __testvalid = false; } // 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 no more characters are available. if (__beg == __end) __err |= ios_base::eofbit; // Iff valid sequence is not recognized. if (!__testvalid) __err |= ios_base::failbit; else __units.swap(__res); return __beg; } template _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; if (__intl) __beg = _M_extract(__beg, __end, __io, __err, __str); else __beg = _M_extract(__beg, __end, __io, __err, __str); std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale()); return __beg; } template _InIter money_get<_CharT, _InIter>:: do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, ios_base::iostate& __err, string_type& __units) const { typedef typename string::size_type size_type; const locale& __loc = __io._M_getloc(); const ctype<_CharT>& __ctype = use_facet >(__loc); string __str; const iter_type __ret = __intl ? _M_extract(__beg, __end, __io, __err, __str) : _M_extract(__beg, __end, __io, __err, __str); const size_type __len = __str.size(); if (__len) { _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len)); __ctype.widen(__str.data(), __str.data() + __len, __ws); __units.assign(__ws, __len); } return __ret; } template template _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<_CharT, _Intl> __moneypunct_type; typedef typename __moneypunct_type::__cache_type __cache_type; const locale& __loc = __io._M_getloc(); const ctype<_CharT>& __ctype = use_facet >(__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. int __paddec = __len - __lc->_M_frac_digits; if (__paddec > 0) { if (__lc->_M_frac_digits < 0) __paddec = __len; if (__lc->_M_grouping_size) { _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * 2 * __len)); _CharT* __ws_end = std::__add_grouping(__ws, __lc->_M_thousands_sep, __lc->_M_grouping, __lc->_M_grouping_size, __beg, __beg + __paddec); __value.assign(__ws, __ws_end - __ws); } 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(__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(__p.field[__i]); switch (__which) { case money_base::symbol: if (__io.flags() & ios_base::showbase) __res.append(__lc->_M_curr_symbol, __lc->_M_curr_symbol_size); break; case money_base::sign: // Sign might not exist, or be more than one // charater long. In that case, add in the rest // below. if (__sign_size) __res += __sign[0]; break; case money_base::value: __res += __value; break; case money_base::space: // At least one space is required, but if internal // formatting is required, an arbitrary number of // fill spaces will be necessary. if (__testipad) __res.append(__width - __len, __fill); else __res += __fill; break; case money_base::none: if (__testipad) __res.append(__width - __len, __fill); break; } } // Special case of multi-part sign parts. if (__sign_size > 1) __res.append(__sign + 1, __sign_size - 1); // Pad, if still necessary. __len = __res.size(); if (__width > __len) { if (__f == ios_base::left) // After. __res.append(__width - __len, __fill); else // Before. __res.insert(0, __width - __len, __fill); __len = __width; } // Write resulting, fully-formatted string to output iterator. __s = std::__write(__s, __res.data(), __len); } __io.width(0); return __s; } template _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 >(__loc); #ifdef _GLIBCXX_USE_C99 // First try a buffer perhaps big enough. int __cs_size = 64; char* __cs = static_cast(__builtin_alloca(__cs_size)); // _GLIBCXX_RESOLVE_LIB_DEFECTS // 328. Bad sprintf format modifier in money_put<>::do_put() int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units, _S_get_c_locale(), 0); // If the buffer was not large enough, try again with the correct size. if (__len >= __cs_size) { __cs_size = __len + 1; __cs = static_cast(__builtin_alloca(__cs_size)); __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units, _S_get_c_locale(), 0); } #else // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'. const int __cs_size = numeric_limits::max_exponent10 + 3; char* __cs = static_cast(__builtin_alloca(__cs_size)); int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units, _S_get_c_locale(), 0); #endif _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __cs_size)); __ctype.widen(__cs, __cs + __len, __ws); const string_type __digits(__ws, __len); return __intl ? _M_insert(__s, __io, __fill, __digits) : _M_insert(__s, __io, __fill, __digits); } template _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(__s, __io, __fill, __digits) : _M_insert(__s, __io, __fill, __digits); } // NB: Not especially useful. Without an ios_base object or some // kind of locale reference, we are left clawing at the air where // the side of the mountain used to be... template 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 _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 >(__loc); const size_t __len = char_traits<_CharT>::length(__format); for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i) { if (__ctype.narrow(__format[__i], 0) == '%') { // Verify valid formatting code, attempt to extract. char __c = __ctype.narrow(__format[++__i], 0); int __mem = 0; if (__c == 'E' || __c == 'O') __c = __ctype.narrow(__format[++__i], 0); switch (__c) { const char* __cs; _CharT __wcs[10]; case 'a': // Abbreviated weekday name [tm_wday] const char_type* __days1[7]; __tp._M_days_abbreviated(__days1); __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1, 7, __io, __err); break; case 'A': // Weekday name [tm_wday]. const char_type* __days2[7]; __tp._M_days(__days2); __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2, 7, __io, __err); break; case 'h': case 'b': // Abbreviated month name [tm_mon] const char_type* __months1[12]; __tp._M_months_abbreviated(__months1); __beg = _M_extract_name(__beg, __end, __tm->tm_mon, __months1, 12, __io, __err); break; case 'B': // Month name [tm_mon]. const char_type* __months2[12]; __tp._M_months(__months2); __beg = _M_extract_name(__beg, __end, __tm->tm_mon, __months2, 12, __io, __err); break; case 'c': // Default time and date representation. const char_type* __dt[2]; __tp._M_date_time_formats(__dt); __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __dt[0]); break; case 'd': // Day [01, 31]. [tm_mday] __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2, __io, __err); break; case 'e': // Day [1, 31], with single digits preceded by // space. [tm_mday] if (__ctype.is(ctype_base::space, *__beg)) __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9, 1, __io, __err); else __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31, 2, __io, __err); break; case 'D': // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year] __cs = "%m/%d/%y"; __ctype.widen(__cs, __cs + 9, __wcs); __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs); break; case 'H': // Hour [00, 23]. [tm_hour] __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2, __io, __err); break; case 'I': // Hour [01, 12]. [tm_hour] __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2, __io, __err); break; case 'm': // Month [01, 12]. [tm_mon] __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2, __io, __err); if (!__err) __tm->tm_mon = __mem - 1; break; case 'M': // Minute [00, 59]. [tm_min] __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2, __io, __err); break; case 'n': if (__ctype.narrow(*__beg, 0) == '\n') ++__beg; else __err |= ios_base::failbit; break; case 'R': // Equivalent to (%H:%M). __cs = "%H:%M"; __ctype.widen(__cs, __cs + 6, __wcs); __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs); break; case 'S': // Seconds. [tm_sec] // [00, 60] in C99 (one leap-second), [00, 61] in C89. #ifdef _GLIBCXX_USE_C99 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2, #else __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2, #endif __io, __err); break; case 't': if (__ctype.narrow(*__beg, 0) == '\t') ++__beg; else __err |= ios_base::failbit; break; case 'T': // Equivalent to (%H:%M:%S). __cs = "%H:%M:%S"; __ctype.widen(__cs, __cs + 9, __wcs); __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs); break; case 'x': // Locale's date. const char_type* __dates[2]; __tp._M_date_formats(__dates); __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __dates[0]); break; case 'X': // Locale's time. const char_type* __times[2]; __tp._M_time_formats(__times); __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __times[0]); break; case 'y': case 'C': // C99 // Two digit year. [tm_year] __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2, __io, __err); break; case 'Y': // Year [1900). [tm_year] __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4, __io, __err); if (!__err) __tm->tm_year = __mem - 1900; break; case 'Z': // Timezone info. if (__ctype.is(ctype_base::upper, *__beg)) { int __tmp; __beg = _M_extract_name(__beg, __end, __tmp, __timepunct_cache<_CharT>::_S_timezones, 14, __io, __err); // GMT requires special effort. if (__beg != __end && !__err && __tmp == 0 && (*__beg == __ctype.widen('-') || *__beg == __ctype.widen('+'))) { __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2, __io, __err); __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2, __io, __err); } } else __err |= ios_base::failbit; break; default: // Not recognized. __err |= ios_base::failbit; } } else { // Verify format and input match, extract and discard. if (__format[__i] == *__beg) ++__beg; else __err |= ios_base::failbit; } } return __beg; } template _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 >(__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 _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 >(__loc); int* __matches = static_cast(__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]])); ++__pos; ++__beg; 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. ++__pos; ++__beg; __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 _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 _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 _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 >(__loc); const char_type* __days[7]; __tp._M_days_abbreviated(__days); int __tmpwday; __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err); // Check to see if non-abbreviated name exists, and extract. // NB: Assumes both _M_days and _M_days_abbreviated organized in // exact same order, first to last, such that the resulting // __days array with the same index points to a day, and that // day's abbreviated form. // NB: Also assumes that an abbreviated name is a subset of the name. if (!__err) { size_t __pos = __traits_type::length(__days[__tmpwday]); __tp._M_days(__days); const char_type* __name = __days[__tmpwday]; if (__name[__pos] == *__beg) { // Extract the rest of it. const size_t __len = __traits_type::length(__name); while (__pos < __len && __beg != __end && __name[__pos] == *__beg) ++__beg, ++__pos; if (__len != __pos) __err |= ios_base::failbit; } if (!__err) __tm->tm_wday = __tmpwday; } if (__beg == __end) __err |= ios_base::eofbit; return __beg; } template _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 >(__loc); const char_type* __months[12]; __tp._M_months_abbreviated(__months); int __tmpmon; __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12, __io, __err); // Check to see if non-abbreviated name exists, and extract. // NB: Assumes both _M_months and _M_months_abbreviated organized in // exact same order, first to last, such that the resulting // __months array with the same index points to a month, and that // month's abbreviated form. // NB: Also assumes that an abbreviated name is a subset of the name. if (!__err) { size_t __pos = __traits_type::length(__months[__tmpmon]); __tp._M_months(__months); const char_type* __name = __months[__tmpmon]; if (__name[__pos] == *__beg) { // Extract the rest of it. const size_t __len = __traits_type::length(__name); while (__pos < __len && __beg != __end && __name[__pos] == *__beg) ++__beg, ++__pos; if (__len != __pos) __err |= ios_base::failbit; } if (!__err) __tm->tm_mon = __tmpmon; } if (__beg == __end) __err |= ios_base::eofbit; return __beg; } template _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 >(__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 _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 >(__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 _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 >(__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(__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::length(__res)); } // Generic version does nothing. template int collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const { return 0; } // Generic version does nothing. template size_t collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const { return 0; } template 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 collate<_CharT>::string_type collate<_CharT>:: do_transform(const _CharT* __lo, const _CharT* __hi) const { // strxfrm assumes zero-terminated strings so we make a copy string_type __str(__lo, __hi); const _CharT* __p = __str.c_str(); const _CharT* __pend = __str.data() + __str.length(); size_t __len = (__hi - __lo) * 2; string_type __ret; // 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. _CharT* __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len)); 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; __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len)); __res = _M_transform(__c, __p, __len); } __ret.append(__c, __res); __p += char_traits<_CharT>::length(__p); if (__p == __pend) return __ret; __p++; __ret.push_back(_CharT()); } } template 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::digits - 7))); return static_cast(__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 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(__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 >(__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 last parsed grouping can be <= numpunct // grouping. __test &= __grouping_tmp[0] <= __grouping[__min]; return __test; } template _CharT* __add_grouping(_CharT* __s, _CharT __sep, const char* __gbeg, size_t __gsize, const _CharT* __first, const _CharT* __last) { if (__last - __first > *__gbeg) { const bool __bump = __gsize != 1; __s = std::__add_grouping(__s, __sep, __gbeg + __bump, __gsize - __bump, __first, __last - *__gbeg); __first = __last - *__gbeg; *__s++ = __sep; } do *__s++ = *__first++; while (__first != __last); 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; extern template class moneypunct; extern template class moneypunct_byname; extern template class moneypunct_byname; extern template class money_get; extern template class money_put; extern template class numpunct; extern template class numpunct_byname; extern template class num_get; extern template class num_put; extern template class __timepunct; extern template class time_put; extern template class time_put_byname; extern template class time_get; extern template class time_get_byname; extern template class messages; extern template class messages_byname; extern template class ctype_byname; extern template class codecvt_byname; extern template class collate; extern template class collate_byname; extern template const codecvt& use_facet >(const locale&); extern template const collate& use_facet >(const locale&); extern template const numpunct& use_facet >(const locale&); extern template const num_put& use_facet >(const locale&); extern template const num_get& use_facet >(const locale&); extern template const moneypunct& use_facet >(const locale&); extern template const moneypunct& use_facet >(const locale&); extern template const money_put& use_facet >(const locale&); extern template const money_get& use_facet >(const locale&); extern template const __timepunct& use_facet<__timepunct >(const locale&); extern template const time_put& use_facet >(const locale&); extern template const time_get& use_facet >(const locale&); extern template const messages& use_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet<__timepunct >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); #ifdef _GLIBCXX_USE_WCHAR_T extern template class moneypunct; extern template class moneypunct; extern template class moneypunct_byname; extern template class moneypunct_byname; extern template class money_get; extern template class money_put; extern template class numpunct; extern template class numpunct_byname; extern template class num_get; extern template class num_put; extern template class __timepunct; extern template class time_put; extern template class time_put_byname; extern template class time_get; extern template class time_get_byname; extern template class messages; extern template class messages_byname; extern template class ctype_byname; extern template class codecvt_byname; extern template class collate; extern template class collate_byname; extern template const codecvt& use_facet >(locale const&); extern template const collate& use_facet >(const locale&); extern template const numpunct& use_facet >(const locale&); extern template const num_put& use_facet >(const locale&); extern template const num_get& use_facet >(const locale&); extern template const moneypunct& use_facet >(const locale&); extern template const moneypunct& use_facet >(const locale&); extern template const money_put& use_facet >(const locale&); extern template const money_get& use_facet >(const locale&); extern template const __timepunct& use_facet<__timepunct >(const locale&); extern template const time_put& use_facet >(const locale&); extern template const time_get& use_facet >(const locale&); extern template const messages& use_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet<__timepunct >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); extern template bool has_facet >(const locale&); #endif #endif } // namespace std #endif