williamr@2: /*
williamr@2:  * © Portions copyright (c) 2006-2007 Nokia Corporation.  All rights reserved.
williamr@2:  *
williamr@2:  * Copyright (c) 1999
williamr@2:  * Silicon Graphics Computer Systems, Inc.
williamr@2:  *
williamr@2:  * Copyright (c) 1999 
williamr@2:  * Boris Fomitchev
williamr@2:  *
williamr@2:  * This material is provided "as is", with absolutely no warranty expressed
williamr@2:  * or implied. Any use is at your own risk.
williamr@2:  *
williamr@2:  * Permission to use or copy this software for any purpose is hereby granted 
williamr@2:  * without fee, provided the above notices are retained on all copies.
williamr@2:  * Permission to modify the code and to distribute modified code is granted,
williamr@2:  * provided the above notices are retained, and a notice that the code was
williamr@2:  * modified is included with the above copyright notice.
williamr@2:  *
williamr@2:  */ 
williamr@2: // WARNING: This is an internal header file, included by other C++
williamr@2: // standard library headers.  You should not attempt to use this header
williamr@2: // file directly.
williamr@2: 
williamr@2: 
williamr@2: #ifndef _STLP_INTERNAL_TIME_FACETS_H
williamr@2: #define _STLP_INTERNAL_TIME_FACETS_H
williamr@2: 
williamr@2: #ifndef _STLP_CTIME
williamr@2: # include <ctime>                // Needed (for struct tm) by time facets
williamr@2: #endif
williamr@2: 
williamr@2: #include <stl/c_locale.h>
williamr@2: #include <stl/_ios_base.h>
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@2: // Template functions used by time_get
williamr@2: 
williamr@2: // Matching input against a list of names
williamr@2: 
williamr@2: // Alphabetic input of the names of months and the names
williamr@2: // of weekdays requires matching input against a list of names.
williamr@2: // We use a simple generic algorithm to accomplish this.  This
williamr@2: // algorithm is not very efficient, especially for longer lists
williamr@2: // of names, but it probably does not matter for the initial
williamr@2: // implementation and it may never matter, since we do not expect
williamr@2: // this kind of input to be used very often.  The algorithm
williamr@2: // could be improved fairly simply by creating a new list of
williamr@2: // names still in the running at each iteration.  A more sophisticated
williamr@2: // approach would be to build a trie to do the matching.
williamr@2: //
williamr@2: // We compare each character of the input to the corresponding
williamr@2: // character of each name on the list that has not been eliminated,
williamr@2: // either because every character in the name has already been
williamr@2: // matched, or because some character has not been matched.  We
williamr@2: // continue only as long as there are some names that have not been
williamr@2: // eliminated.
williamr@2: 
williamr@2: // We do not really need a random access iterator (a forward iterator
williamr@2: // would do), but the extra generality makes the notation clumsier,
williamr@2: // and we don't really need it.
williamr@2: 
williamr@2: // We can recognize a failed match by the fact that the second
williamr@2: // component of the return value will be __name_end.
williamr@2: 
williamr@2: #define _MAXNAMES        64
williamr@2: #define _MAX_NAME_LENGTH 64
williamr@2: 
williamr@2: // Both time_get and time_put need a structure of type _Time_Info
williamr@2: // to provide names and abbreviated names for months and days,
williamr@2: // as well as the am/pm designator.  The month and weekday tables
williamr@2: // have the all the abbreviated names before all the full names.
williamr@2: // The _Time_Info tables are initialized using the non-template
williamr@2: // function _Init_timeinfo, which has two overloadings:  one
williamr@2: // with a single reference parameter for the table to be initialized,
williamr@2: // and one with a second _Locale_time * parameter.  The first form
williamr@2: // is called by the default constructor and the second by a special
williamr@2: // constructor invoked from the _byname subclass constructor to
williamr@2: // construct the base class.
williamr@2: 
williamr@2: class _STLP_CLASS_DECLSPEC _Time_Info {
williamr@2: public:
williamr@2:   string _M_dayname[14];
williamr@2:   string _M_monthname[24];
williamr@2:   string _M_am_pm[2];
williamr@2:   string _M_time_format;
williamr@2:   string _M_date_format;
williamr@2:   string _M_date_time_format;
williamr@2:   string _M_long_date_format;
williamr@2:   string _M_long_date_time_format;
williamr@2: };
williamr@2: 
williamr@2: _STLP_DECLSPEC void _STLP_CALL _Init_timeinfo(_Time_Info&);
williamr@2: _STLP_DECLSPEC void _STLP_CALL _Init_timeinfo(_Time_Info&, _Locale_time*);
williamr@2: 
williamr@2: class _STLP_CLASS_DECLSPEC time_base {
williamr@2: public:
williamr@2:   enum dateorder {no_order, dmy, mdy, ymd, ydm};
williamr@2: };
williamr@2: 
williamr@2: 
williamr@2: template <class _Ch, __DFL_TMPL_PARAM( _InIt , istreambuf_iterator<_Ch>) >
williamr@2: class time_get : public locale::facet, public time_base 
williamr@2: {
williamr@2:   friend class _Locale;
williamr@2: 
williamr@2: public:
williamr@2:   typedef _Ch   char_type;
williamr@2:   typedef _InIt iter_type;
williamr@2: 
williamr@2:   explicit  time_get(size_t __refs = 0)   : _BaseFacet(__refs) {
williamr@2:       _Init_timeinfo(_M_timeinfo);
williamr@2:   }
williamr@2:   dateorder date_order() const { return do_date_order(); }
williamr@2:   iter_type get_time(iter_type __s, iter_type  __end, ios_base&  __str,
williamr@2:                      ios_base::iostate&  __err, tm* __t) const
williamr@2:     { return do_get_time(__s,  __end,  __str,  __err, __t); }
williamr@2:   iter_type get_date(iter_type __s, iter_type  __end, ios_base&  __str,
williamr@2:                      ios_base::iostate&  __err, tm* __t) const
williamr@2:     { return do_get_date(__s,  __end,  __str,  __err, __t); }
williamr@2:   iter_type get_weekday(iter_type __s, iter_type  __end, ios_base&  __str,
williamr@2:                         ios_base::iostate&  __err, tm* __t) const
williamr@2:     { return do_get_weekday(__s,  __end,  __str,  __err, __t); }
williamr@2:   iter_type get_monthname(iter_type __s, iter_type  __end, ios_base&  __str,
williamr@2:                           ios_base::iostate&  __err, tm* __t) const
williamr@2:     { return do_get_monthname(__s,  __end,  __str,  __err, __t); }
williamr@2:   iter_type get_year(iter_type __s, iter_type  __end, ios_base&  __str,
williamr@2:                      ios_base::iostate&  __err, tm* __t) const
williamr@2:     { return do_get_year(__s,  __end,  __str,  __err, __t); }
williamr@2: 
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId();
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId(istreambuf_iterator<wchar_t, char_traits<wchar_t> >*);
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId(const wchar_t**);
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId(istreambuf_iterator<char, char_traits<char> >*);
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId(const char**);
williamr@2: #else
williamr@2:  	_STLP_STATIC_MEMBER_DECLSPEC static locale::id id;
williamr@2: #endif
williamr@2: 
williamr@2: protected:
williamr@2:   _Time_Info _M_timeinfo;
williamr@2: 
williamr@2:   time_get(_Locale_time *, size_t __refs) : _BaseFacet(__refs) {}
williamr@2: 
williamr@2:   ~time_get() {}
williamr@2: 
williamr@2:   virtual dateorder do_date_order() const {return no_order;}
williamr@2:     
williamr@2:   virtual iter_type do_get_time(iter_type __s, iter_type  __end,
williamr@2:                                 ios_base&, ios_base::iostate&  __err,
williamr@2:                                 tm* __t) const;
williamr@2:     
williamr@2:   virtual iter_type do_get_date(iter_type __s, iter_type  __end,
williamr@2:                                 ios_base&, ios_base::iostate& __err,
williamr@2:                                 tm* __t) const;
williamr@2: 
williamr@2:   virtual iter_type do_get_weekday(iter_type __s, iter_type  __end,
williamr@2:                                    ios_base&,
williamr@2:                                    ios_base::iostate& __err,
williamr@2:                                    tm* __t) const;
williamr@2:   virtual iter_type do_get_monthname(iter_type __s, iter_type  __end,
williamr@2:                                      ios_base&,
williamr@2:                                      ios_base::iostate& __err,
williamr@2:                                      tm* __t) const;
williamr@2:   
williamr@2:   virtual iter_type do_get_year(iter_type __s, iter_type  __end,
williamr@2:                                 ios_base&, ios_base::iostate& __err,
williamr@2:                                 tm* __t) const;
williamr@2: };
williamr@2: 
williamr@2: time_base::dateorder _STLP_CALL
williamr@2: _STLP_DECLSPEC __get_date_order(_Locale_time*);
williamr@2: _Locale_time* _STLP_CALL __acquire_time(const char* __name);
williamr@2: void          _STLP_CALL __release_time(_Locale_time* __time);
williamr@2: 
williamr@2: template <class _Ch, __DFL_TMPL_PARAM( _InIt , istreambuf_iterator<_Ch>) >
williamr@2: class time_get_byname : public time_get<_Ch, _InIt> 
williamr@2: {
williamr@2: public:
williamr@2:   typedef  time_base::dateorder dateorder;
williamr@2:   typedef _InIt                 iter_type;
williamr@2: 
williamr@2:   explicit   time_get_byname(const char* __name, size_t __refs = 0)
williamr@2:     : time_get<_Ch, _InIt>((_Locale_time*) 0, __refs),
williamr@2:       _M_time(__acquire_time(__name))
williamr@2:     { _Init_timeinfo(this->_M_timeinfo, this->_M_time); }
williamr@2: 
williamr@2: protected:
williamr@2:   ~time_get_byname() { __release_time(_M_time); }
williamr@2:   dateorder do_date_order() const { return __get_date_order(_M_time); }
williamr@2: private:
williamr@2:   _Locale_time* _M_time;
williamr@2: };
williamr@2: 
williamr@2: // time_put facet
williamr@2: 
williamr@2: // For the formats 'x, 'X', and 'c', do_put calls the first form of
williamr@2: // put with the pattern obtained from _M_timeinfo._M_date_format or
williamr@2: // _M_timeinfo._M_time_format.
williamr@2: 
williamr@2: // Helper function:  __  takes a single-character
williamr@2: // format.  As indicated by the foregoing remark, this will never be
williamr@2: // 'x', 'X', or 'c'.
williamr@2: 
williamr@2: _STLP_DECLSPEC char * _STLP_CALL
williamr@2: __write_formatted_time(char * __buf, char __format, char __modifier,
williamr@2:                        const _Time_Info& __table, const tm* __t);
williamr@2: 
williamr@2: template <class _OuIt>
williamr@2: inline _OuIt _STLP_CALL __put_time(char * __first, char * __last, _OuIt __out,
williamr@2:                                    const ios_base& /* __loc */, char) {
williamr@2:     return copy(__first, __last, __out);
williamr@2: }
williamr@2: 
williamr@2: # ifndef _STLP_NO_WCHAR_T
williamr@2: template <class _OuIt>
williamr@2: _OuIt _STLP_CALL __put_time(char * __first, char * __last, _OuIt __out,
williamr@2:                             const ios_base& __s, wchar_t);
williamr@2: # endif
williamr@2: 
williamr@2: template<class _Ch, __DFL_TMPL_PARAM( _OutputIter , ostreambuf_iterator<_Ch> ) >
williamr@2: class time_put : public locale::facet, public time_base
williamr@2: {
williamr@2:   friend class _Locale;
williamr@2: public:
williamr@2:   typedef _Ch      char_type;
williamr@2:   typedef _OutputIter iter_type;
williamr@2: 
williamr@2:   explicit   time_put(size_t __refs = 0) : _BaseFacet(__refs) {
williamr@2:     _Init_timeinfo(_M_timeinfo);
williamr@2:   }
williamr@2: 
williamr@2:   _OutputIter put(iter_type __s, ios_base& __f, _Ch __fill,
williamr@2: 		  const tm* __tmb,
williamr@2: 		  const _Ch* __pat, const _Ch* __pat_end) const;
williamr@2:   
williamr@2:   _OutputIter put(iter_type __s, ios_base& __f, _Ch  __fill,
williamr@2: 		  const tm* __tmb, char __format, char __modifier = 0) const { 
williamr@2:     return do_put(__s, __f,  __fill, __tmb, __format, __modifier); 
williamr@2:   }
williamr@2:   
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId();
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId(ostreambuf_iterator<wchar_t, char_traits<wchar_t> >*);
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId(wchar_t**);
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId(ostreambuf_iterator<char, char_traits<char> >*);
williamr@2:     _STLP_STATIC_MEMBER_DECLSPEC static locale::id& GetFacetLocaleId(char**);
williamr@2: #else
williamr@2:    	_STLP_STATIC_MEMBER_DECLSPEC static locale::id id;
williamr@2: #endif
williamr@2:   
williamr@2: protected:
williamr@2:   _Time_Info _M_timeinfo;
williamr@2: 
williamr@2:   time_put(_Locale_time* /*__time*/, size_t __refs) : _BaseFacet(__refs) {
williamr@2:     //    _Init_timeinfo(_M_timeinfo, __time);
williamr@2:   }
williamr@2: 
williamr@2:   ~time_put() {}
williamr@2:   virtual iter_type do_put(iter_type __s, ios_base& __f,
williamr@2:                            char_type  /* __fill */, const tm* __tmb,
williamr@2:                            char __format, char /* __modifier */) const;
williamr@2: };
williamr@2: 
williamr@2: template <class _Ch, __DFL_TMPL_PARAM( _InIt , ostreambuf_iterator<_Ch> ) >
williamr@2: class time_put_byname : public time_put<_Ch, _InIt> 
williamr@2: {
williamr@2:   friend class _Locale;
williamr@2: public:
williamr@2:   typedef time_base::dateorder dateorder;
williamr@2:   typedef _InIt iter_type;
williamr@2:   typedef _Ch   char_type;
williamr@2: 
williamr@2:   explicit    time_put_byname(const char * __name, size_t __refs = 0)
williamr@2:     : time_put<_Ch, _InIt>((_Locale_time*) 0, __refs),
williamr@2:     _M_time(__acquire_time(__name))
williamr@2:   { _Init_timeinfo(this->_M_timeinfo, this->_M_time); }
williamr@2:   
williamr@2: protected:
williamr@2:   ~time_put_byname() { __release_time(_M_time); }
williamr@2: 
williamr@2: private:
williamr@2:   _Locale_time* _M_time;
williamr@2: };
williamr@2: 
williamr@2: # ifdef _STLP_USE_TEMPLATE_EXPORT
williamr@2: _STLP_EXPORT_TEMPLATE_CLASS time_get<char, istreambuf_iterator<char, char_traits<char> > >;
williamr@2: _STLP_EXPORT_TEMPLATE_CLASS time_put<char, ostreambuf_iterator<char, char_traits<char> > >;
williamr@2: // _STLP_EXPORT_TEMPLATE_CLASS time_get<char, const char*>;
williamr@2: // _STLP_EXPORT_TEMPLATE_CLASS time_put<char, char*>;
williamr@2: #  ifndef _STLP_NO_WCHAR_T
williamr@2: _STLP_EXPORT_TEMPLATE_CLASS time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >;
williamr@2: _STLP_EXPORT_TEMPLATE_CLASS time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >;
williamr@2: // _STLP_EXPORT_TEMPLATE_CLASS time_get<wchar_t, const wchar_t*>;
williamr@2: // _STLP_EXPORT_TEMPLATE_CLASS time_put<wchar_t, wchar_t*>;
williamr@2: #  endif /* INSTANTIATE_WIDE_STREAMS */
williamr@2: 
williamr@2: # endif
williamr@2: 
williamr@2: # if defined (__BORLANDC__) && defined (_RTLDLL)
williamr@2: inline void _Stl_loc_init_time_facets() {
williamr@2:   
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:   time_get<char, istreambuf_iterator<char, char_traits<char> > >::GetFacetLocaleId()._M_index                      = 16;
williamr@2:   time_get<char, const char*>::GetFacetLocaleId()._M_index         = 17;
williamr@2:   time_put<char, ostreambuf_iterator<char, char_traits<char> > >::GetFacetLocaleId()._M_index                      = 18;
williamr@2:   time_put<char, char*>::GetFacetLocaleId()._M_index               = 19;
williamr@2: #else
williamr@2:   time_get<char, istreambuf_iterator<char, char_traits<char> > >::GetFacetLocaleId()._M_index                      = 16;
williamr@2:   time_get<char, const char*>::id._M_index         = 17;
williamr@2:   time_put<char, ostreambuf_iterator<char, char_traits<char> > >::GetFacetLocaleId()._M_index                      = 18;
williamr@2:   time_put<char, char*>::id._M_index               = 19;
williamr@2: #endif
williamr@2: 
williamr@2: # ifndef _STLP_NO_WCHAR_T
williamr@2: #if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
williamr@2:   time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::GetFacetLocaleId()._M_index                   = 35;
williamr@2:   time_get<wchar_t, const wchar_t*>::GetFacetLocaleId()._M_index   = 36;
williamr@2:   time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::GetFacetLocaleId()._M_index                   = 37;
williamr@2:   time_put<wchar_t, wchar_t*>::GetFacetLocaleId()._M_index         = 38;
williamr@2: #else
williamr@2:   time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id._M_index                   = 35;
williamr@2:   time_get<wchar_t, const wchar_t*>::id._M_index   = 36;
williamr@2:   time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id._M_index                   = 37;
williamr@2:   time_put<wchar_t, wchar_t*>::id._M_index         = 38;
williamr@2: #endif //__SYMBIAN32__
williamr@2: # endif //!_STLP_NO_WCHAR_T
williamr@2:   
williamr@2: }
williamr@2: # endif
williamr@2: 
williamr@2: _STLP_END_NAMESPACE
williamr@2: 
williamr@2: #if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) && !defined (_STLP_LINK_TIME_INSTANTIATION)
williamr@2: #  include <stl/_time_facets.c>
williamr@2: # endif
williamr@2: 
williamr@2: #endif /* _STLP_INTERNAL_TIME_FACETS_H */
williamr@2: 
williamr@2: // Local Variables:
williamr@2: // mode:C++
williamr@2: // End:
williamr@2: 
williamr@2: