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- // Locale support -*- C++ -*-
- // Copyright (C) 2007-2022 Free Software Foundation, Inc.
- //
- // This file is part of the GNU ISO C++ Library. This library is free
- // software; you can redistribute it and/or modify it under the
- // terms of the GNU General Public License as published by the
- // Free Software Foundation; either version 3, or (at your option)
- // any later version.
- // This library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
- // Under Section 7 of GPL version 3, you are granted additional
- // permissions described in the GCC Runtime Library Exception, version
- // 3.1, as published by the Free Software Foundation.
- // You should have received a copy of the GNU General Public License and
- // a copy of the GCC Runtime Library Exception along with this program;
- // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
- // <http://www.gnu.org/licenses/>.
- /** @file bits/locale_facets_nonio.tcc
- * This is an internal header file, included by other library headers.
- * Do not attempt to use it directly. @headername{locale}
- */
- #ifndef _LOCALE_FACETS_NONIO_TCC
- #define _LOCALE_FACETS_NONIO_TCC 1
- #pragma GCC system_header
- namespace std _GLIBCXX_VISIBILITY(default)
- {
- _GLIBCXX_BEGIN_NAMESPACE_VERSION
- 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 = 0;
- __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, bool _Intl>
- void
- __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
- {
- const moneypunct<_CharT, _Intl>& __mp =
- use_facet<moneypunct<_CharT, _Intl> >(__loc);
- struct _Scoped_str
- {
- size_t _M_len;
- _CharT* _M_str;
- explicit
- _Scoped_str(const basic_string<_CharT>& __str)
- : _M_len(__str.size()), _M_str(new _CharT[_M_len])
- { __str.copy(_M_str, _M_len); }
- ~_Scoped_str() { delete[] _M_str; }
- void
- _M_release(const _CharT*& __p, size_t& __n)
- {
- __p = _M_str;
- __n = _M_len;
- _M_str = 0;
- }
- };
- _Scoped_str __curr_symbol(__mp.curr_symbol());
- _Scoped_str __positive_sign(__mp.positive_sign());
- _Scoped_str __negative_sign(__mp.negative_sign());
- const string& __g = __mp.grouping();
- const size_t __g_size = __g.size();
- char* const __grouping = new char[__g_size];
- __g.copy(__grouping, __g_size);
- // All allocations succeeded without throwing, OK to modify *this now.
- _M_grouping = __grouping;
- _M_grouping_size = __g_size;
- _M_use_grouping = (__g_size
- && static_cast<signed char>(__grouping[0]) > 0
- && (__grouping[0]
- != __gnu_cxx::__numeric_traits<char>::__max));
- _M_decimal_point = __mp.decimal_point();
- _M_thousands_sep = __mp.thousands_sep();
- __curr_symbol._M_release(_M_curr_symbol, _M_curr_symbol_size);
- __positive_sign._M_release(_M_positive_sign, _M_positive_sign_size);
- __negative_sign._M_release(_M_negative_sign, _M_negative_sign_size);
- _M_frac_digits = __mp.frac_digits();
- _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);
- _M_allocated = true;
- }
- _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
- 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, (void)++__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)
- {
- if (__lc->_M_frac_digits <= 0)
- break;
- __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;
- // fallthrough
- 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, (void)++__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 && __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__ \
- && (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
- 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;
- }
- #if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
- && defined __LONG_DOUBLE_IEEE128__
- 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, __ibm128& __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 _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
- // character 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__ \
- && (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
- 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);
- #if _GLIBCXX_USE_C99_STDIO
- // 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 =
- __gnu_cxx::__numeric_traits<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); }
- #if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
- && defined __LONG_DOUBLE_IEEE128__
- extern "C"
- __typeof__(__builtin_snprintf) __glibcxx_snprintfibm128 __asm__("snprintf");
- template<typename _CharT, typename _OutIter>
- _OutIter
- money_put<_CharT, _OutIter>::
- __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
- __ibm128 __units) const
- {
- const locale __loc = __io.getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- // First try a buffer perhaps big enough.
- int __cs_size = 64;
- char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
- const __c_locale __old = __gnu_cxx::__uselocale(_S_get_c_locale());
- // _GLIBCXX_RESOLVE_LIB_DEFECTS
- // 328. Bad sprintf format modifier in money_put<>::do_put()
- int __len = __glibcxx_snprintfibm128(__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 = __glibcxx_snprintfibm128(__cs, __cs_size, "%.*Lf", 0,
- __units);
- }
- __gnu_cxx::__uselocale(__old);
- 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);
- }
- #endif
- _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11
- // 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 strptime 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,
- __time_get_state &__state) 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;
- size_t __i = 0;
- for (; __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':
- case 'A':
- // Weekday name (possibly abbreviated) [tm_wday]
- const char_type* __days[14];
- __tp._M_days(&__days[0]);
- __tp._M_days_abbreviated(&__days[7]);
- __beg = _M_extract_name(__beg, __end, __mem, __days,
- 14, __io, __tmperr);
- if (!__tmperr)
- {
- __tm->tm_wday = __mem % 7;
- __state._M_have_wday = 1;
- }
- break;
- case 'h':
- case 'b':
- case 'B':
- // Month name (possibly abbreviated) [tm_mon]
- const char_type* __months[24];
- __tp._M_months(&__months[0]);
- __tp._M_months_abbreviated(&__months[12]);
- __beg = _M_extract_name(__beg, __end, __mem,
- __months, 24, __io, __tmperr);
- if (!__tmperr)
- {
- __tm->tm_mon = __mem % 12;
- __state._M_have_mon = 1;
- __state._M_want_xday = 1;
- }
- 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], __state);
- if (!__tmperr)
- __state._M_want_xday = 1;
- break;
- case 'C':
- // Century.
- __beg = _M_extract_num(__beg, __end, __mem, 0, 99, 2,
- __io, __tmperr);
- if (!__tmperr)
- {
- __state._M_century = __mem;
- __state._M_have_century = 1;
- __state._M_want_xday = 1;
- }
- break;
- case 'd':
- case 'e':
- // Day [1, 31]. [tm_mday]
- if (__ctype.is(ctype_base::space, *__beg))
- ++__beg;
- __beg = _M_extract_num(__beg, __end, __mem, 1, 31, 2,
- __io, __tmperr);
- if (!__tmperr)
- {
- __tm->tm_mday = __mem;
- __state._M_have_mday = 1;
- __state._M_want_xday = 1;
- }
- 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, __state);
- if (!__tmperr)
- __state._M_want_xday = 1;
- break;
- case 'H':
- // Hour [00, 23]. [tm_hour]
- __beg = _M_extract_num(__beg, __end, __mem, 0, 23, 2,
- __io, __tmperr);
- if (!__tmperr)
- {
- __tm->tm_hour = __mem;
- __state._M_have_I = 0;
- }
- break;
- case 'I':
- // Hour [01, 12]. [tm_hour]
- __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
- __io, __tmperr);
- if (!__tmperr)
- {
- __tm->tm_hour = __mem % 12;
- __state._M_have_I = 1;
- }
- break;
- case 'j':
- // Day number of year.
- __beg = _M_extract_num(__beg, __end, __mem, 1, 366, 3,
- __io, __tmperr);
- if (!__tmperr)
- {
- __tm->tm_yday = __mem - 1;
- __state._M_have_yday = 1;
- }
- 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;
- __state._M_have_mon = 1;
- }
- break;
- case 'M':
- // Minute [00, 59]. [tm_min]
- __beg = _M_extract_num(__beg, __end, __mem, 0, 59, 2,
- __io, __tmperr);
- if (!__tmperr)
- __tm->tm_min = __mem;
- break;
- case 'n':
- case 't':
- while (__beg != __end
- && __ctype.is(ctype_base::space, *__beg))
- ++__beg;
- break;
- case 'p':
- // Locale's a.m. or p.m.
- const char_type* __ampm[2];
- __tp._M_am_pm(&__ampm[0]);
- if (!__ampm[0][0] || !__ampm[1][0])
- break;
- __beg = _M_extract_name(__beg, __end, __mem, __ampm,
- 2, __io, __tmperr);
- if (!__tmperr && __mem)
- __state._M_is_pm = 1;
- break;
- case 'r':
- // Locale's 12-hour clock time format (in C %I:%M:%S %p).
- const char_type* __ampm_format;
- __tp._M_am_pm_format(&__ampm_format);
- __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
- __tm, __ampm_format, __state);
- 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, __state);
- break;
- case 'S':
- // Seconds. [tm_sec]
- // [00, 60] in C99 (one leap-second), [00, 61] in C89.
- #if _GLIBCXX_USE_C99
- __beg = _M_extract_num(__beg, __end, __mem, 0, 60, 2,
- #else
- __beg = _M_extract_num(__beg, __end, __mem, 0, 61, 2,
- #endif
- __io, __tmperr);
- if (!__tmperr)
- __tm->tm_sec = __mem;
- 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, __state);
- break;
- case 'U':
- // Week number of the year (Sunday as first day of week).
- __beg = _M_extract_num(__beg, __end, __mem, 0, 53, 2,
- __io, __tmperr);
- if (!__tmperr)
- {
- __state._M_week_no = __mem;
- __state._M_have_uweek = 1;
- }
- break;
- case 'w':
- // Weekday [tm_wday]
- __beg = _M_extract_num(__beg, __end, __mem, 0, 6, 1,
- __io, __tmperr);
- if (!__tmperr)
- {
- __tm->tm_wday = __mem;
- __state._M_have_wday = 1;
- }
- break;
- case 'W':
- // Week number of the year (Monday as first day of week).
- __beg = _M_extract_num(__beg, __end, __mem, 0, 53, 2,
- __io, __tmperr);
- if (!__tmperr)
- {
- __state._M_week_no = __mem;
- __state._M_have_wweek = 1;
- }
- 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], __state);
- 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], __state);
- break;
- case 'y':
- // The last 2 digits of year.
- __beg = _M_extract_num(__beg, __end, __mem, 0, 99, 2,
- __io, __tmperr);
- if (!__tmperr)
- {
- __state._M_want_century = 1;
- __state._M_want_xday = 1;
- // As an extension, if the 2 digits are followed by
- // 1-2 further digits, treat it like %Y.
- __c = 0;
- if (__beg != __end)
- __c = __ctype.narrow(*__beg, '*');
- if (__c >= '0' && __c <= '9')
- {
- ++__beg;
- __mem = __mem * 10 + (__c - '0');
- if (__beg != __end)
- {
- __c = __ctype.narrow(*__beg, '*');
- if (__c >= '0' && __c <= '9')
- {
- ++__beg;
- __mem = __mem * 10 + (__c - '0');
- }
- }
- __mem -= 1900;
- __state._M_want_century = 0;
- }
- // Otherwise, as per POSIX 2008, 00-68 is 2000-2068,
- // while 69-99 is 1969-1999.
- else if (__mem < 69)
- __mem += 100;
- __tm->tm_year = __mem;
- }
- break;
- case 'Y':
- // Year.
- __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
- __io, __tmperr);
- if (!__tmperr)
- {
- __tm->tm_year = __mem - 1900;
- __state._M_want_century = 0;
- __state._M_want_xday = 1;
- }
- 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;
- case '%':
- if (*__beg == __ctype.widen('%'))
- ++__beg;
- else
- __tmperr |= ios_base::failbit;
- break;
- default:
- // Not recognized.
- __tmperr |= ios_base::failbit;
- }
- }
- else if (__ctype.is(ctype_base::space, __format[__i]))
- {
- // Skip any whitespace.
- while (__beg != __end
- && __ctype.is(ctype_base::space, *__beg))
- ++__beg;
- }
- else
- {
- // Verify format and input match, extract and discard.
- // TODO real case-insensitive comparison
- if (__ctype.tolower(__format[__i]) == __ctype.tolower(*__beg)
- || __ctype.toupper(__format[__i]) == __ctype.toupper(*__beg))
- ++__beg;
- else
- __tmperr |= ios_base::failbit;
- }
- }
- if (__tmperr || __i != __len)
- __err |= ios_base::failbit;
-
- return __beg;
- }
- 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
- {
- __time_get_state __state = __time_get_state();
- return _M_extract_via_format(__beg, __end, __io, __err, __tm,
- __format, __state);
- }
- 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);
- size_t __i = 0;
- int __value = 0;
- for (; __beg != __end && __i < __len; ++__beg, (void)++__i)
- {
- const char __c = __ctype.narrow(*__beg, '*');
- if (__c >= '0' && __c <= '9')
- {
- __value = __value * 10 + (__c - '0');
- if (__value > __max)
- break;
- }
- else
- break;
- }
- if (__i && __value >= __min && __value <= __max)
- __member = __value;
- else
- __err |= ios_base::failbit;
- return __beg;
- }
- // Assumptions:
- // All elements in __names are unique, except if __indexlen is
- // even __names in the first half could be the same as corresponding
- // __names in the second half (May is abbreviated as May). Some __names
- // elements could be prefixes of other __names elements.
- 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);
- size_t* __matches
- = static_cast<size_t*>(__builtin_alloca(2 * sizeof(size_t)
- * __indexlen));
- size_t* __lengths = __matches + __indexlen;
- size_t __nmatches = 0;
- size_t __pos = 0;
- bool __testvalid = true;
- const char_type* __name;
- bool __begupdated = false;
- // Look for initial matches.
- if (__beg != __end)
- {
- const char_type __c = *__beg;
- // TODO real case-insensitive comparison
- const char_type __cl = __ctype.tolower(__c);
- const char_type __cu = __ctype.toupper(__c);
- for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
- if (__cl == __ctype.tolower(__names[__i1][0])
- || __cu == __ctype.toupper(__names[__i1][0]))
- {
- __lengths[__nmatches]
- = __traits_type::length(__names[__i1]);
- __matches[__nmatches++] = __i1;
- }
- }
- while (__nmatches > 1)
- {
- // Find smallest matching string.
- size_t __minlen = __lengths[0];
- for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
- __minlen = std::min(__minlen, __lengths[__i2]);
- ++__pos;
- ++__beg;
- if (__pos == __minlen)
- {
- // If some match has remaining length of 0,
- // need to decide if any match with remaining
- // length non-zero matches the next character.
- // If so, remove all matches with remaining length
- // 0 from consideration, otherwise keep only matches
- // with remaining length 0.
- bool __match_longer = false;
- if (__beg != __end)
- {
- // TODO real case-insensitive comparison
- const char_type __cl = __ctype.tolower(*__beg);
- const char_type __cu = __ctype.toupper(*__beg);
- for (size_t __i3 = 0; __i3 < __nmatches; ++__i3)
- {
- __name = __names[__matches[__i3]];
- if (__lengths[__i3] > __pos
- && (__ctype.tolower(__name[__pos]) == __cl
- || __ctype.toupper(__name[__pos]) == __cu))
- {
- __match_longer = true;
- break;
- }
- }
- }
- for (size_t __i4 = 0; __i4 < __nmatches;)
- if (__match_longer == (__lengths[__i4] == __pos))
- {
- __matches[__i4] = __matches[--__nmatches];
- __lengths[__i4] = __lengths[__nmatches];
- }
- else
- ++__i4;
- if (__match_longer)
- {
- __minlen = __lengths[0];
- for (size_t __i5 = 1; __i5 < __nmatches; ++__i5)
- __minlen = std::min(__minlen, __lengths[__i5]);
- }
- else
- {
- // Deal with May being full as well as abbreviated month
- // name. Pick the smaller index.
- if (__nmatches == 2 && (__indexlen & 1) == 0)
- {
- if (__matches[0] < __indexlen / 2)
- {
- if (__matches[1] == __matches[0] + __indexlen / 2)
- __nmatches = 1;
- }
- else if (__matches[1] == __matches[0] - __indexlen / 2)
- {
- __matches[0] = __matches[1];
- __lengths[0] = __lengths[1];
- __nmatches = 1;
- }
- }
- __begupdated = true;
- break;
- }
- }
- if (__pos < __minlen && __beg != __end)
- {
- // TODO real case-insensitive comparison
- const char_type __cl = __ctype.tolower(*__beg);
- const char_type __cu = __ctype.toupper(*__beg);
- for (size_t __i6 = 0; __i6 < __nmatches;)
- {
- __name = __names[__matches[__i6]];
- if (__ctype.tolower(__name[__pos]) != __cl
- && __ctype.toupper(__name[__pos]) != __cu)
- {
- __matches[__i6] = __matches[--__nmatches];
- __lengths[__i6] = __lengths[__nmatches];
- }
- else
- ++__i6;
- }
- }
- else
- break;
- }
- if (__nmatches == 1)
- {
- // Make sure found name is completely extracted.
- if (!__begupdated)
- {
- ++__beg;
- ++__pos;
- }
- __name = __names[__matches[0]];
- const size_t __len = __lengths[0];
- while (__pos < __len
- && __beg != __end
- // TODO real case-insensitive comparison
- && (__ctype.tolower(__name[__pos]) == __ctype.tolower(*__beg)
- || (__ctype.toupper(__name[__pos])
- == __ctype.toupper(*__beg))))
- ++__beg, (void)++__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>::
- _M_extract_wday_or_month(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(2 * sizeof(int)
- * __indexlen));
- size_t __nmatches = 0;
- size_t* __matches_lengths = 0;
- size_t __pos = 0;
- if (__beg != __end)
- {
- const char_type __c = *__beg;
- for (size_t __i = 0; __i < 2 * __indexlen; ++__i)
- if (__c == __names[__i][0]
- || __c == __ctype.toupper(__names[__i][0]))
- __matches[__nmatches++] = __i;
- }
- if (__nmatches)
- {
- ++__beg;
- ++__pos;
- __matches_lengths
- = static_cast<size_t*>(__builtin_alloca(sizeof(size_t)
- * __nmatches));
- for (size_t __i = 0; __i < __nmatches; ++__i)
- __matches_lengths[__i]
- = __traits_type::length(__names[__matches[__i]]);
- }
- for (; __beg != __end; ++__beg, (void)++__pos)
- {
- size_t __nskipped = 0;
- const char_type __c = *__beg;
- for (size_t __i = 0; __i < __nmatches;)
- {
- const char_type* __name = __names[__matches[__i]];
- if (__pos >= __matches_lengths[__i])
- ++__nskipped, ++__i;
- else if (!(__name[__pos] == __c))
- {
- --__nmatches;
- __matches[__i] = __matches[__nmatches];
- __matches_lengths[__i] = __matches_lengths[__nmatches];
- }
- else
- ++__i;
- }
- if (__nskipped == __nmatches)
- break;
- }
- if ((__nmatches == 1 && __matches_lengths[0] == __pos)
- || (__nmatches == 2 && (__matches_lengths[0] == __pos
- || __matches_lengths[1] == __pos)))
- __member = (__matches[0] >= (int)__indexlen
- ? __matches[0] - (int)__indexlen : __matches[0]);
- else
- __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);
- __time_get_state __state = __time_get_state();
- __beg = _M_extract_via_format(__beg, __end, __io, __err,
- __tm, __times[0], __state);
- __state._M_finalize_state(__tm);
- 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);
- __time_get_state __state = __time_get_state();
- __beg = _M_extract_via_format(__beg, __end, __io, __err,
- __tm, __dates[0], __state);
- __state._M_finalize_state(__tm);
- 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
- {
- const locale& __loc = __io._M_getloc();
- const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
- const char_type* __days[14];
- __tp._M_days_abbreviated(__days);
- __tp._M_days(__days + 7);
- int __tmpwday;
- ios_base::iostate __tmperr = ios_base::goodbit;
- __beg = _M_extract_wday_or_month(__beg, __end, __tmpwday, __days, 7,
- __io, __tmperr);
- 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
- {
- const locale& __loc = __io._M_getloc();
- const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
- const char_type* __months[24];
- __tp._M_months_abbreviated(__months);
- __tp._M_months(__months + 12);
- int __tmpmon;
- ios_base::iostate __tmperr = ios_base::goodbit;
- __beg = _M_extract_wday_or_month(__beg, __end, __tmpmon, __months, 12,
- __io, __tmperr);
- 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
- {
- int __tmpyear;
- ios_base::iostate __tmperr = ios_base::goodbit;
- const locale& __loc = __io._M_getloc();
- const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
- __beg = _M_extract_num(__beg, __end, __tmpyear, 0, 99, 2,
- __io, __tmperr);
- if (!__tmperr)
- {
- char __c = 0;
- if (__beg != __end)
- __c = __ctype.narrow(*__beg, '*');
- // For 1-2 digit year, assume 69-99 is 1969-1999, 0-68 is 2000-2068.
- // For 3-4 digit year, use it as year.
- // __tm->tm_year needs year - 1900 though.
- if (__c >= '0' && __c <= '9')
- {
- ++__beg;
- __tmpyear = __tmpyear * 10 + (__c - '0');
- if (__beg != __end)
- {
- __c = __ctype.narrow(*__beg, '*');
- if (__c >= '0' && __c <= '9')
- {
- ++__beg;
- __tmpyear = __tmpyear * 10 + (__c - '0');
- }
- }
- __tmpyear -= 1900;
- }
- else if (__tmpyear < 69)
- __tmpyear += 100;
- __tm->tm_year = __tmpyear;
- }
- else
- __err |= ios_base::failbit;
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return __beg;
- }
- #if __cplusplus >= 201103L
- template<typename _CharT, typename _InIter>
- inline
- _InIter
- time_get<_CharT, _InIter>::
- get(iter_type __s, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, tm* __tm, const char_type* __fmt,
- const char_type* __fmtend) const
- {
- const locale& __loc = __io._M_getloc();
- ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
- __err = ios_base::goodbit;
- bool __use_state = false;
- #if __GNUC__ >= 5 && !defined(__clang__)
- #pragma GCC diagnostic push
- #pragma GCC diagnostic ignored "-Wpmf-conversions"
- // Nasty hack. The C++ standard mandates that get invokes the do_get
- // virtual method, but unfortunately at least without an ABI change
- // for the facets we can't keep state across the different do_get
- // calls. So e.g. if __fmt is "%p %I:%M:%S", we can't handle it
- // properly, because we first handle the %p am/pm specifier and only
- // later the 12-hour format specifier.
- if ((void*)(this->*(&time_get::do_get)) == (void*)(&time_get::do_get))
- __use_state = true;
- #pragma GCC diagnostic pop
- #endif
- __time_get_state __state = __time_get_state();
- while (__fmt != __fmtend &&
- __err == ios_base::goodbit)
- {
- if (__s == __end)
- {
- __err = ios_base::eofbit | ios_base::failbit;
- break;
- }
- else if (__ctype.narrow(*__fmt, 0) == '%')
- {
- const char_type* __fmt_start = __fmt;
- char __format;
- char __mod = 0;
- if (++__fmt == __fmtend)
- {
- __err = ios_base::failbit;
- break;
- }
- const char __c = __ctype.narrow(*__fmt, 0);
- if (__c != 'E' && __c != 'O')
- __format = __c;
- else if (++__fmt != __fmtend)
- {
- __mod = __c;
- __format = __ctype.narrow(*__fmt, 0);
- }
- else
- {
- __err = ios_base::failbit;
- break;
- }
- if (__use_state)
- {
- char_type __new_fmt[4];
- __new_fmt[0] = __fmt_start[0];
- __new_fmt[1] = __fmt_start[1];
- if (__mod)
- {
- __new_fmt[2] = __fmt_start[2];
- __new_fmt[3] = char_type();
- }
- else
- __new_fmt[2] = char_type();
- __s = _M_extract_via_format(__s, __end, __io, __err, __tm,
- __new_fmt, __state);
- if (__s == __end)
- __err |= ios_base::eofbit;
- }
- else
- __s = this->do_get(__s, __end, __io, __err, __tm, __format,
- __mod);
- ++__fmt;
- }
- else if (__ctype.is(ctype_base::space, *__fmt))
- {
- ++__fmt;
- while (__fmt != __fmtend &&
- __ctype.is(ctype_base::space, *__fmt))
- ++__fmt;
- while (__s != __end &&
- __ctype.is(ctype_base::space, *__s))
- ++__s;
- }
- // TODO real case-insensitive comparison
- else if (__ctype.tolower(*__s) == __ctype.tolower(*__fmt) ||
- __ctype.toupper(*__s) == __ctype.toupper(*__fmt))
- {
- ++__s;
- ++__fmt;
- }
- else
- {
- __err = ios_base::failbit;
- break;
- }
- }
- if (__use_state)
- __state._M_finalize_state(__tm);
- return __s;
- }
- template<typename _CharT, typename _InIter>
- inline
- _InIter
- time_get<_CharT, _InIter>::
- do_get(iter_type __beg, iter_type __end, ios_base& __io,
- ios_base::iostate& __err, tm* __tm,
- char __format, char __mod) const
- {
- const locale& __loc = __io._M_getloc();
- ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
- __err = ios_base::goodbit;
- 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();
- }
- __time_get_state __state = __time_get_state();
- __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __fmt,
- __state);
- __state._M_finalize_state(__tm);
- if (__beg == __end)
- __err |= ios_base::eofbit;
- return __beg;
- }
- #endif // __cplusplus >= 201103L
- 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[__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));
- }
- // Inhibit implicit instantiations for required instantiations,
- // which are defined via explicit instantiations elsewhere.
- #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_NAMESPACE_LDBL_OR_CXX11 money_get<char>;
- extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_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
- 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<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_NAMESPACE_LDBL_OR_CXX11 money_get<wchar_t>;
- extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_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
- 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<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_VERSION
- } // namespace std
- #endif
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