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425 lines
13 KiB
425 lines
13 KiB
/***************************************************************************
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*
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* _time.h - Definitions of the time facets
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*
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* This is an internal header file used to implement the C++ Standard
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* Library. It should never be #included directly by a program.
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*
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* $Id: _time.h 172106 2011-11-02 17:04:12Z statham $
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*
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***************************************************************************
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*
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* Copyright (c) 1994-2001 Rogue Wave Software, Inc. All Rights Reserved.
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*
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* This computer software is owned by Rogue Wave Software, Inc. and is
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* protected by U.S. copyright laws and other laws and by international
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* treaties. This computer software is furnished by Rogue Wave Software,
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* Inc. pursuant to a written license agreement and may be used, copied,
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* transmitted, and stored only in accordance with the terms of such
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* license and with the inclusion of the above copyright notice. This
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* computer software or any other copies thereof may not be provided or
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* otherwise made available to any other person.
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*
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* U.S. Government Restricted Rights. This computer software is provided
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* with Restricted Rights. Use, duplication, or disclosure by the
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* Government is subject to restrictions as set forth in subparagraph (c)
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* (1) (ii) of The Rights in Technical Data and Computer Software clause
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* at DFARS 252.227-7013 or subparagraphs (c) (1) and (2) of the
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* Commercial Computer Software--Restricted Rights at 48 CFR 52.227-19,
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* as applicable. Manufacturer is Rogue Wave Software, Inc., 5500
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* Flatiron Parkway, Boulder, Colorado 80301 USA.
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*
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**************************************************************************/
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#ifndef _RWSTD_TIME_H_INCLUDED
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#define _RWSTD_TIME_H_INCLUDED
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#include <streambuf>
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#include <rw/_punct.h>
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#include <rw/_locale.h>
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#include <rw/_defs.h>
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_RWSTD_NAMESPACE_BEGIN(std)
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// 22.2.5.1
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struct _RWSTD_EXPORT time_base
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{
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enum dateorder { no_order, dmy, mdy, ymd, ydm };
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};
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_RWSTD_NAMESPACE_END // std
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_RWSTD_NAMESPACE_BEGIN (__rw)
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_USING (_RWSTD_C::size_t);
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// -------------------------------------------------------------------------
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// Implementation class template -- __rw_time_reader<_CharT, _InputIterator>.
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// -------------------------------------------------------------------------
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template <class _CharT, class _InputIterator>
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class _RWSTD_EXPORT __rw_time_reader
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: public __rw_digit_reader<_CharT, _InputIterator>
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{
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public:
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typedef _TYPENAME __rw_timepunct<_CharT>::string_type string_type;
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const __rw_timepunct<_CharT> &_C_timp;
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__rw_time_reader (_InputIterator &__in, _InputIterator &__end,
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_STD::ios_base &__io,
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const __rw_timepunct<_CharT> &__tpunct)
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: __rw_digit_reader<_CharT, _InputIterator>(__in, __end, __io),
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_C_timp (__tpunct) {
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// Don't recognize signs on any numeric input.
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this->_C_state &= ~this->_C_signed;
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}
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bool _C_get_time_pattern (const string_type&, tm *);
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};
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_RWSTD_INSTANTIATE_3 (
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class _RWSTD_EXPORT
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__rw_time_reader<char,
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_STD::istreambuf_iterator<char, _STD::char_traits<char> > >);
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#ifndef _RWSTD_NO_WCHAR_T
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_RWSTD_INSTANTIATE_3 (
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class _RWSTD_EXPORT
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__rw_time_reader<wchar_t,
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_STD::istreambuf_iterator<wchar_t, _STD::char_traits<wchar_t> > >);
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#endif // _RWSTD_NO_WCHAR_T
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_RWSTD_NAMESPACE_END //__rw
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_RWSTD_NAMESPACE_BEGIN (std)
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// 22.2.5.1
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template <class _CharT,
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class _InputIterator _RWSTD_COMPLEX_DEFAULT (istreambuf_iterator<_CharT>) >
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class time_get: public locale::facet, public time_base
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{
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public:
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typedef _CharT char_type;
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typedef _InputIterator iter_type;
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typedef time_get<char_type, iter_type> time_get_type;
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_EXPLICIT time_get (size_t __refs = 0)
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: locale::facet (__refs, locale::time), _C_timp (0)
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{ ; }
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dateorder date_order() const {
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return do_date_order();
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}
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iter_type get_time (iter_type __start, iter_type __end, ios_base& __fmat,
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ios_base::iostate &__err, tm* __time) const {
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return do_get_time (__start, __end, __fmat, __err, __time);
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}
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iter_type get_date (iter_type __start, iter_type __end, ios_base& __fmat,
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ios_base::iostate &__err, tm* __time) const {
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return do_get_date(__start, __end, __fmat, __err, __time);
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}
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iter_type get_weekday (iter_type __start, iter_type __end,
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ios_base& __fmat,
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ios_base::iostate &__err, tm* __time) const {
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return do_get_weekday(__start, __end, __fmat, __err, __time);
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}
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iter_type get_monthname (iter_type __start, iter_type __end,
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ios_base& __fmat,
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ios_base::iostate &__err, tm* __time) const {
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return do_get_monthname(__start, __end, __fmat, __err, __time);
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}
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iter_type get_year (iter_type __start, iter_type __end, ios_base& __fmat,
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ios_base::iostate &__err, tm* __time) const {
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return do_get_year(__start, __end, __fmat, __err, __time);
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}
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static locale::id id;
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// Implementation:
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enum { _C_facet_cat = locale::time, _C_ok_implicit = 1 };
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protected:
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virtual dateorder do_date_order() const;
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virtual iter_type do_get_time (iter_type, iter_type, ios_base&,
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ios_base::iostate&, tm*) const;
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virtual iter_type do_get_date (iter_type, iter_type, ios_base&,
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ios_base::iostate&, tm*) const;
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virtual iter_type do_get_weekday (iter_type, iter_type, ios_base&,
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ios_base::iostate&, tm*) const;
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virtual iter_type do_get_monthname (iter_type, iter_type, ios_base&,
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ios_base::iostate&, tm*) const;
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virtual iter_type do_get_year (iter_type, iter_type, ios_base&,
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ios_base::iostate&, tm*) const;
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// Implementation:
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protected:
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const _RW::__rw_timepunct<char_type>* _C_timp;
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string _C_name;
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private:
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void _C_check_init () const {
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if (!_C_timp)
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_RWSTD_CONST_CAST (time_get_type*,
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this)->_C_initfacet (locale ());
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}
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virtual void _C_initfacet (const locale &__loc);
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#ifdef _RWSTD_NO_MEMBER_TEMPLATES
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locale::id &_C_get_id (void) const { return id; }
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#endif
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};
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template <class _CharT, class _InputIterator>
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void time_get<_CharT, _InputIterator>::_C_initfacet (const locale &__loc)
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{
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_RW::__rw_use_c_lib_locale __cloc (_C_name.c_str(), LC_TIME);
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// bypass the mutex in std::use_facet<>() by directly calling
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// the implementation locale member function to prevent a deadlock
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typedef _RW::__rw_timepunct<char_type> _TimePunct;
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typedef _RW::__rw_facet_maker<_TimePunct> _FacetMaker;
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const locale::facet& __facet =
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__loc._C_unsafe_use_facet (_TimePunct::id, _TimePunct::_C_ok_implicit,
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_TimePunct::_C_facet_cat,
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_FacetMaker::_C_maker_func);
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_C_timp = _RWSTD_STATIC_CAST (const _TimePunct*, &__facet);
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}
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_RWSTD_INSTANTIATE_3 (
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class _RWSTD_EXPORT
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time_get<char, istreambuf_iterator<char, char_traits<char> > >);
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#ifndef _RWSTD_NO_WCHAR_T
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_RWSTD_INSTANTIATE_3 (
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class _RWSTD_EXPORT
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time_get<wchar_t,
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istreambuf_iterator<wchar_t, char_traits<wchar_t> > >);
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#endif // _RWSTD_NO_WCHAR_T
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// 22.2.5.2
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template <class _CharT,
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class _InputIterator _RWSTD_COMPLEX_DEFAULT (istreambuf_iterator<_CharT>) >
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class time_get_byname: public time_get<_CharT, _InputIterator>
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{
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public:
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_EXPLICIT time_get_byname (const char *__name, size_t __refs = 0)
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: time_get<_CharT, _InputIterator>(__refs) {
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this->_C_name = __name;
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}
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};
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// 22.2.5.3
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template <class _CharT,
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class _OutputIterator _RWSTD_COMPLEX_DEFAULT (ostreambuf_iterator<_CharT>) >
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class time_put: public locale::facet
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{
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public:
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typedef _CharT char_type;
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typedef _OutputIterator iter_type;
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typedef time_put<char_type, iter_type> time_put_type;
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_EXPLICIT time_put (size_t __refs = 0)
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: locale::facet (__refs, locale::time), _C_timp (0)
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{ }
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iter_type put (iter_type, ios_base&, char_type, const tm*,
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const char_type*, const char_type*) const;
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iter_type put (iter_type __start, ios_base& __fmat, char_type __fill,
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const tm* __time, char __fmt, char __modifier = 0) const {
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return do_put (__start, __fmat, __fill, __time, __fmt, __modifier);
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}
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static locale::id id;
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// Implementation:
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enum { _C_facet_cat = locale::time, _C_ok_implicit = 1 };
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protected:
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virtual iter_type do_put (iter_type, ios_base&, char_type, const tm*,
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char, char) const;
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protected:
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const _RW::__rw_timepunct<char_type>* _C_timp;
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string _C_name;
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private:
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void _C_check_init () const {
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if (!_C_timp)
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_RWSTD_CONST_CAST (time_put_type*,
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this)->_C_initfacet (locale ());
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}
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virtual void _C_initfacet (const locale &__loc);
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#ifdef _RWSTD_NO_MEMBER_TEMPLATES
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locale::id &_C_get_id (void) const { return id; }
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#endif
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};
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template <class _CharT, class _InputIterator>
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void time_put<_CharT, _InputIterator>::_C_initfacet (const locale &__loc)
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{
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_RW::__rw_use_c_lib_locale __cloc (_C_name.c_str(), LC_TIME);
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// bypass the mutex in std::use_facet<>() by directly calling
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// the implementation locale member function to prevent a deadlock
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typedef _RW::__rw_timepunct<char_type> _TimePunct;
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typedef _RW::__rw_facet_maker<_TimePunct> _FacetMaker;
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const locale::facet &__facet =
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__loc._C_unsafe_use_facet (_TimePunct::id, _TimePunct::_C_ok_implicit,
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_TimePunct::_C_facet_cat,
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_FacetMaker::_C_maker_func);
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_C_timp = _RWSTD_STATIC_CAST (const _TimePunct*, &__facet);
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}
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_RWSTD_INSTANTIATE_3 (
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class _RWSTD_EXPORT
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time_put<char, ostreambuf_iterator<char, char_traits<char> > >);
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#ifndef _RWSTD_NO_WCHAR_T
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_RWSTD_INSTANTIATE_3 (
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class _RWSTD_EXPORT
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time_put<wchar_t,
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ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >);
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#endif // _RWSTD_NO_WCHAR_T
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// 22.2.5.4
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template <class _CharT,
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class _OutputIterator _RWSTD_COMPLEX_DEFAULT (ostreambuf_iterator<_CharT>) >
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class time_put_byname: public time_put<_CharT, _OutputIterator>
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{
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public:
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_EXPLICIT time_put_byname (const char *__name, size_t __refs = 0)
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: time_put<_CharT, _OutputIterator>(__refs) {
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this->_C_name = __name;
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}
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};
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_RWSTD_NAMESPACE_END // std
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_RWSTD_NAMESPACE_BEGIN (__rw)
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#ifndef _RWSTD_NO_FUNC_PARTIAL_SPEC
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template <class _CharT, class _InputIterator>
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inline _STD::time_get<_CharT, _InputIterator>*
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__rw_create_named_facet (_STD::time_get<_CharT, _InputIterator>*,
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const char *__name, size_t __refs)
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{
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return new _STD::time_get_byname<_CharT, _InputIterator>(__name, __refs);
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}
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template <class _CharT, class _OutputIterator>
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inline _STD::time_put<_CharT, _OutputIterator>*
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__rw_create_named_facet (_STD::time_put<_CharT, _OutputIterator>*,
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const char *__name, size_t __refs)
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{
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return new _STD::time_put_byname<_CharT, _OutputIterator>(__name, __refs);
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}
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#else // _RWSTD_NO_FUNC_PARTIAL_SPEC
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#define _RWSTD_TIME(which, buf, _CharT) \
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_STD::which <_CharT, _STD::buf##_iterator <_CharT, _STD::char_traits<_CharT> > >
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_RWSTD_SPECIALIZED_FUNCTION
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inline _RWSTD_TIME (time_get, istreambuf, char)*
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__rw_create_named_facet (_RWSTD_TIME (time_get, istreambuf, char)*,
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const char *__name, size_t __refs)
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{
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return new _RWSTD_TIME (time_get_byname, istreambuf, char)(__name, __refs);
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}
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_RWSTD_SPECIALIZED_FUNCTION
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inline _RWSTD_TIME (time_put, ostreambuf, char)*
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__rw_create_named_facet (_RWSTD_TIME (time_put, ostreambuf, char)*,
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const char *__name, size_t __refs)
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{
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return new _RWSTD_TIME (time_put_byname, ostreambuf, char)(__name, __refs);
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}
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#ifndef _RWSTD_NO_WCHAR_T
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_RWSTD_SPECIALIZED_FUNCTION
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inline _RWSTD_TIME (time_get, istreambuf, wchar_t)*
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__rw_create_named_facet (_RWSTD_TIME (time_get, istreambuf, wchar_t)*,
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const char *__name, size_t __refs)
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{
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return new
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_RWSTD_TIME (time_get_byname, istreambuf, wchar_t)(__name, __refs);
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}
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_RWSTD_SPECIALIZED_FUNCTION
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inline _RWSTD_TIME (time_put, ostreambuf, wchar_t)*
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__rw_create_named_facet (_RWSTD_TIME (time_put, ostreambuf, wchar_t)*,
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const char *__name, size_t __refs)
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{
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return new
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_RWSTD_TIME (time_put_byname, ostreambuf, wchar_t)(__name, __refs);
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}
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#undef _RWSTD_TIME
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#endif // _RWSTD_NO_WCHAR_T
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#endif // _RWSTD_NO_FUNC_PARTIAL_SPEC
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_RWSTD_NAMESPACE_END // __rw
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#if _RWSTD_DEFINE_TEMPLATE (TIME)
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# include <rw/_time.cc>
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#endif
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#endif // _RWSTD_TIME_H_INCLUDED
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