1834 lines
54 KiB
C++
1834 lines
54 KiB
C++
// Locale support -*- C++ -*-
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// Copyright (C) 2007-2022 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file bits/locale_facets_nonio.tcc
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{locale}
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*/
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#ifndef _LOCALE_FACETS_NONIO_TCC
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#define _LOCALE_FACETS_NONIO_TCC 1
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#pragma GCC system_header
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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template<typename _CharT, bool _Intl>
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struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
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{
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const __moneypunct_cache<_CharT, _Intl>*
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operator() (const locale& __loc) const
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{
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const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
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const locale::facet** __caches = __loc._M_impl->_M_caches;
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if (!__caches[__i])
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{
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__moneypunct_cache<_CharT, _Intl>* __tmp = 0;
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__try
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{
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__tmp = new __moneypunct_cache<_CharT, _Intl>;
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__tmp->_M_cache(__loc);
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}
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__catch(...)
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{
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delete __tmp;
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__throw_exception_again;
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}
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__loc._M_impl->_M_install_cache(__tmp, __i);
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}
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return static_cast<
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const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
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}
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};
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template<typename _CharT, bool _Intl>
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void
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__moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
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{
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const moneypunct<_CharT, _Intl>& __mp =
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use_facet<moneypunct<_CharT, _Intl> >(__loc);
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struct _Scoped_str
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{
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size_t _M_len;
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_CharT* _M_str;
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explicit
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_Scoped_str(const basic_string<_CharT>& __str)
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: _M_len(__str.size()), _M_str(new _CharT[_M_len])
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{ __str.copy(_M_str, _M_len); }
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~_Scoped_str() { delete[] _M_str; }
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void
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_M_release(const _CharT*& __p, size_t& __n)
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{
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__p = _M_str;
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__n = _M_len;
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_M_str = 0;
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}
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};
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_Scoped_str __curr_symbol(__mp.curr_symbol());
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_Scoped_str __positive_sign(__mp.positive_sign());
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_Scoped_str __negative_sign(__mp.negative_sign());
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const string& __g = __mp.grouping();
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const size_t __g_size = __g.size();
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char* const __grouping = new char[__g_size];
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__g.copy(__grouping, __g_size);
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// All allocations succeeded without throwing, OK to modify *this now.
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_M_grouping = __grouping;
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_M_grouping_size = __g_size;
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_M_use_grouping = (__g_size
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&& static_cast<signed char>(__grouping[0]) > 0
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&& (__grouping[0]
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!= __gnu_cxx::__numeric_traits<char>::__max));
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_M_decimal_point = __mp.decimal_point();
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_M_thousands_sep = __mp.thousands_sep();
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__curr_symbol._M_release(_M_curr_symbol, _M_curr_symbol_size);
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__positive_sign._M_release(_M_positive_sign, _M_positive_sign_size);
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__negative_sign._M_release(_M_negative_sign, _M_negative_sign_size);
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_M_frac_digits = __mp.frac_digits();
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_M_pos_format = __mp.pos_format();
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_M_neg_format = __mp.neg_format();
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const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
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__ct.widen(money_base::_S_atoms,
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money_base::_S_atoms + money_base::_S_end, _M_atoms);
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_M_allocated = true;
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}
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_GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
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template<typename _CharT, typename _InIter>
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template<bool _Intl>
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_InIter
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money_get<_CharT, _InIter>::
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_M_extract(iter_type __beg, iter_type __end, ios_base& __io,
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ios_base::iostate& __err, string& __units) const
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{
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typedef char_traits<_CharT> __traits_type;
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typedef typename string_type::size_type size_type;
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typedef money_base::part part;
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typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
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const locale& __loc = __io._M_getloc();
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const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
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__use_cache<__cache_type> __uc;
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const __cache_type* __lc = __uc(__loc);
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const char_type* __lit = __lc->_M_atoms;
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// Deduced sign.
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bool __negative = false;
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// Sign size.
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size_type __sign_size = 0;
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// True if sign is mandatory.
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const bool __mandatory_sign = (__lc->_M_positive_sign_size
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&& __lc->_M_negative_sign_size);
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// String of grouping info from thousands_sep plucked from __units.
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string __grouping_tmp;
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if (__lc->_M_use_grouping)
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__grouping_tmp.reserve(32);
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// Last position before the decimal point.
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int __last_pos = 0;
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// Separator positions, then, possibly, fractional digits.
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int __n = 0;
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// If input iterator is in a valid state.
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bool __testvalid = true;
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// Flag marking when a decimal point is found.
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bool __testdecfound = false;
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// The tentative returned string is stored here.
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string __res;
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__res.reserve(32);
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const char_type* __lit_zero = __lit + money_base::_S_zero;
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const money_base::pattern __p = __lc->_M_neg_format;
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for (int __i = 0; __i < 4 && __testvalid; ++__i)
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{
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const part __which = static_cast<part>(__p.field[__i]);
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switch (__which)
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{
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case money_base::symbol:
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// According to 22.2.6.1.2, p2, symbol is required
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// if (__io.flags() & ios_base::showbase), otherwise
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// is optional and consumed only if other characters
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// are needed to complete the format.
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if (__io.flags() & ios_base::showbase || __sign_size > 1
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|| __i == 0
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|| (__i == 1 && (__mandatory_sign
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|| (static_cast<part>(__p.field[0])
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== money_base::sign)
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|| (static_cast<part>(__p.field[2])
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== money_base::space)))
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|| (__i == 2 && ((static_cast<part>(__p.field[3])
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== money_base::value)
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|| (__mandatory_sign
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&& (static_cast<part>(__p.field[3])
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== money_base::sign)))))
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{
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const size_type __len = __lc->_M_curr_symbol_size;
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size_type __j = 0;
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for (; __beg != __end && __j < __len
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&& *__beg == __lc->_M_curr_symbol[__j];
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++__beg, (void)++__j);
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if (__j != __len
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&& (__j || __io.flags() & ios_base::showbase))
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__testvalid = false;
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}
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break;
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case money_base::sign:
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// Sign might not exist, or be more than one character long.
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if (__lc->_M_positive_sign_size && __beg != __end
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&& *__beg == __lc->_M_positive_sign[0])
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{
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__sign_size = __lc->_M_positive_sign_size;
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++__beg;
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}
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else if (__lc->_M_negative_sign_size && __beg != __end
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&& *__beg == __lc->_M_negative_sign[0])
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{
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__negative = true;
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__sign_size = __lc->_M_negative_sign_size;
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++__beg;
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}
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else if (__lc->_M_positive_sign_size
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&& !__lc->_M_negative_sign_size)
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// "... if no sign is detected, the result is given the sign
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// that corresponds to the source of the empty string"
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__negative = true;
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else if (__mandatory_sign)
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__testvalid = false;
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break;
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case money_base::value:
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// Extract digits, remove and stash away the
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// grouping of found thousands separators.
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for (; __beg != __end; ++__beg)
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{
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const char_type __c = *__beg;
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const char_type* __q = __traits_type::find(__lit_zero,
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10, __c);
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if (__q != 0)
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{
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__res += money_base::_S_atoms[__q - __lit];
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++__n;
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}
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else if (__c == __lc->_M_decimal_point
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&& !__testdecfound)
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{
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if (__lc->_M_frac_digits <= 0)
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break;
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__last_pos = __n;
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__n = 0;
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__testdecfound = true;
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}
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else if (__lc->_M_use_grouping
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&& __c == __lc->_M_thousands_sep
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&& !__testdecfound)
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{
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if (__n)
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{
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// Mark position for later analysis.
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__grouping_tmp += static_cast<char>(__n);
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__n = 0;
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}
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else
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{
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__testvalid = false;
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break;
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}
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}
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else
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break;
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}
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if (__res.empty())
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__testvalid = false;
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break;
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case money_base::space:
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// At least one space is required.
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if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
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++__beg;
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else
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__testvalid = false;
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// fallthrough
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case money_base::none:
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// Only if not at the end of the pattern.
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if (__i != 3)
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for (; __beg != __end
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&& __ctype.is(ctype_base::space, *__beg); ++__beg);
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break;
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}
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}
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// Need to get the rest of the sign characters, if they exist.
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if (__sign_size > 1 && __testvalid)
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{
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const char_type* __sign = __negative ? __lc->_M_negative_sign
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: __lc->_M_positive_sign;
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size_type __i = 1;
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for (; __beg != __end && __i < __sign_size
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&& *__beg == __sign[__i]; ++__beg, (void)++__i);
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if (__i != __sign_size)
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__testvalid = false;
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}
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if (__testvalid)
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{
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// Strip leading zeros.
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if (__res.size() > 1)
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{
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const size_type __first = __res.find_first_not_of('0');
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const bool __only_zeros = __first == string::npos;
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if (__first)
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__res.erase(0, __only_zeros ? __res.size() - 1 : __first);
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}
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// 22.2.6.1.2, p4
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if (__negative && __res[0] != '0')
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__res.insert(__res.begin(), '-');
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// Test for grouping fidelity.
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if (__grouping_tmp.size())
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{
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// Add the ending grouping.
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__grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
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: __n);
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if (!std::__verify_grouping(__lc->_M_grouping,
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__lc->_M_grouping_size,
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__grouping_tmp))
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__err |= ios_base::failbit;
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}
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// Iff not enough digits were supplied after the decimal-point.
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if (__testdecfound && __n != __lc->_M_frac_digits)
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__testvalid = false;
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}
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// Iff valid sequence is not recognized.
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if (!__testvalid)
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__err |= ios_base::failbit;
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else
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__units.swap(__res);
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// Iff no more characters are available.
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if (__beg == __end)
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__err |= ios_base::eofbit;
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return __beg;
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}
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#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
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&& (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
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template<typename _CharT, typename _InIter>
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_InIter
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money_get<_CharT, _InIter>::
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__do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
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ios_base::iostate& __err, double& __units) const
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{
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string __str;
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__beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
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: _M_extract<false>(__beg, __end, __io, __err, __str);
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std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
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return __beg;
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}
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#endif
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template<typename _CharT, typename _InIter>
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_InIter
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money_get<_CharT, _InIter>::
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do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
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ios_base::iostate& __err, long double& __units) const
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{
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string __str;
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__beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
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: _M_extract<false>(__beg, __end, __io, __err, __str);
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std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
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return __beg;
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}
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template<typename _CharT, typename _InIter>
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_InIter
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money_get<_CharT, _InIter>::
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do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
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ios_base::iostate& __err, string_type& __digits) const
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{
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typedef typename string::size_type size_type;
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const locale& __loc = __io._M_getloc();
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const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
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string __str;
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__beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
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: _M_extract<false>(__beg, __end, __io, __err, __str);
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const size_type __len = __str.size();
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if (__len)
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{
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__digits.resize(__len);
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__ctype.widen(__str.data(), __str.data() + __len, &__digits[0]);
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}
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return __beg;
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}
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#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
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&& defined __LONG_DOUBLE_IEEE128__
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template<typename _CharT, typename _InIter>
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_InIter
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money_get<_CharT, _InIter>::
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__do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
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ios_base::iostate& __err, __ibm128& __units) const
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{
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string __str;
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__beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
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: _M_extract<false>(__beg, __end, __io, __err, __str);
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std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
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return __beg;
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}
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#endif
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template<typename _CharT, typename _OutIter>
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template<bool _Intl>
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_OutIter
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money_put<_CharT, _OutIter>::
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_M_insert(iter_type __s, ios_base& __io, char_type __fill,
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const string_type& __digits) const
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{
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typedef typename string_type::size_type size_type;
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typedef money_base::part part;
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typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
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const locale& __loc = __io._M_getloc();
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const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
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__use_cache<__cache_type> __uc;
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const __cache_type* __lc = __uc(__loc);
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const char_type* __lit = __lc->_M_atoms;
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// Determine if negative or positive formats are to be used, and
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// discard leading negative_sign if it is present.
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const char_type* __beg = __digits.data();
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money_base::pattern __p;
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const char_type* __sign;
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size_type __sign_size;
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if (!(*__beg == __lit[money_base::_S_minus]))
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{
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__p = __lc->_M_pos_format;
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__sign = __lc->_M_positive_sign;
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__sign_size = __lc->_M_positive_sign_size;
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}
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else
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{
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__p = __lc->_M_neg_format;
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__sign = __lc->_M_negative_sign;
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__sign_size = __lc->_M_negative_sign_size;
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if (__digits.size())
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++__beg;
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}
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// Look for valid numbers in the ctype facet within input digits.
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size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
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__beg + __digits.size()) - __beg;
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if (__len)
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{
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// Assume valid input, and attempt to format.
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// Break down input numbers into base components, as follows:
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// final_value = grouped units + (decimal point) + (digits)
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string_type __value;
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__value.reserve(2 * __len);
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|
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// Add thousands separators to non-decimal digits, per
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// grouping rules.
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long __paddec = __len - __lc->_M_frac_digits;
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if (__paddec > 0)
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{
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if (__lc->_M_frac_digits < 0)
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__paddec = __len;
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if (__lc->_M_grouping_size)
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{
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__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
|