williamr@2: /*
williamr@4:  * Portions Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
williamr@2:  *
williamr@2:  * Copyright (c) 1999
williamr@2:  * Silicon Graphics Computer Systems, Inc.
williamr@2:  *
williamr@4:  * 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@4:  * 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@4:  */
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@4: #ifndef _STLP_INTERNAL_CTIME
williamr@4: #  include <stl/_ctime.h>                // Needed (for struct tm) by time facets
williamr@2: #endif
williamr@2: 
williamr@4: #ifndef _STLP_C_LOCALE_H
williamr@4: #  include <stl/c_locale.h>
williamr@4: #endif
williamr@4: 
williamr@4: #ifndef _STLP_IOS_BASE_H
williamr@4: #  include <stl/_ios_base.h>
williamr@4: #endif
williamr@2: 
williamr@2: _STLP_BEGIN_NAMESPACE
williamr@2: 
williamr@4: _STLP_MOVE_TO_PRIV_NAMESPACE
williamr@4: 
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@4: _STLP_MOVE_TO_STD_NAMESPACE
williamr@4: 
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@4: #if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
williamr@4: template <class _Ch, class _InIt>
williamr@4: #else
williamr@4: template <class _Ch, class _InIt = istreambuf_iterator<_Ch, char_traits<_Ch> > >
williamr@4: #endif
williamr@4: class time_get : public locale::facet, public time_base {
williamr@4:   friend class _Locale_impl;
williamr@2: 
williamr@2: public:
williamr@2:   typedef _Ch   char_type;
williamr@2:   typedef _InIt iter_type;
williamr@2: 
williamr@4:   explicit time_get(size_t __refs = 0) : locale::facet(__refs)
williamr@4:   { _STLP_PRIV _Init_timeinfo(_M_timeinfo); }
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@4:   { 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@4:   { 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@4:   { 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@4:   { 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@4:   { return do_get_year(__s,  __end,  __str,  __err, __t); }
williamr@2: 
williamr@4: #if defined(__SYMBIAN32__WSD__) 
williamr@4:   static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
williamr@4: #elif defined (__SYMBIAN32__NO_STATIC_IMPORTS__)    
williamr@4:   static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
williamr@4:   static locale::id id;  
williamr@2: #else
williamr@4:   // NOTE: Symbian doesn't support exporting static data.  
williamr@4:   // Users of this class should use GetFacetLocaleId() to access the data member id  
williamr@4:   static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
williamr@2: #endif
williamr@2: 
williamr@2: protected:
williamr@4:   time_get(_Locale_time *, size_t __refs) : locale::facet(__refs) {}
williamr@2: 
williamr@2:   ~time_get() {}
williamr@2: 
williamr@2:   virtual dateorder do_date_order() const {return no_order;}
williamr@4: 
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@4: 
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@4: 
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@4: 
williamr@4:   _STLP_PRIV _Time_Info _M_timeinfo;
williamr@2: };
williamr@2: 
williamr@4: _STLP_MOVE_TO_PRIV_NAMESPACE
williamr@2: 
williamr@4: _STLP_DECLSPEC time_base::dateorder _STLP_CALL __get_date_order(_Locale_time*);
williamr@4: _STLP_DECLSPEC _Locale_time* _STLP_CALL __acquire_time(const char* __name, _Locale_name_hint*);
williamr@4: _STLP_DECLSPEC void _STLP_CALL __release_time(_Locale_time* __time);
williamr@4: 
williamr@4: _STLP_MOVE_TO_STD_NAMESPACE
williamr@4: 
williamr@4: template <class _Ch, class _InIt>
williamr@4: class time_get_byname;
williamr@4: 
williamr@4: #if defined (__GNUC__) && (__GNUC__ < 3)
williamr@4: template <class _Ch, class _InIt>
williamr@4: _Locale_name_hint* _Locale_time_extract_hint(time_get_byname<_Ch, _InIt>*);
williamr@4: #else
williamr@4: _Locale_name_hint* _Locale_time_extract_hint(time_get_byname<char, istreambuf_iterator<char, char_traits<char> > >*);
williamr@4: #endif
williamr@4: 
williamr@4: #if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
williamr@4: template <class _Ch, class _InIt>
williamr@4: #else
williamr@4: template <class _Ch, class _InIt = istreambuf_iterator<_Ch, char_traits<_Ch> > >
williamr@4: #endif
williamr@4: class time_get_byname : public time_get<_Ch, _InIt> {
williamr@2: public:
williamr@2:   typedef  time_base::dateorder dateorder;
williamr@2:   typedef _InIt                 iter_type;
williamr@2: 
williamr@4:   explicit time_get_byname(const char* __name, size_t __refs = 0, _Locale_name_hint* __hint = 0)
williamr@2:     : time_get<_Ch, _InIt>((_Locale_time*) 0, __refs),
williamr@4:       _M_time(_STLP_PRIV __acquire_time(__name, __hint))
williamr@4:   { _STLP_PRIV _Init_timeinfo(this->_M_timeinfo, this->_M_time); }
williamr@2: 
williamr@2: protected:
williamr@4:   ~time_get_byname() { _STLP_PRIV __release_time(_M_time); }
williamr@4:   dateorder do_date_order() const { return _STLP_PRIV __get_date_order(_M_time); }
williamr@4: 
williamr@2: private:
williamr@2:   _Locale_time* _M_time;
williamr@4: 
williamr@4:   typedef time_get_byname<_Ch, _InIt> _Self;
williamr@4:   //explicitely defined as private to avoid warnings:
williamr@4:   time_get_byname(_Self const&);
williamr@4:   _Self& operator = (_Self const&);
williamr@4: #if defined (__GNUC__) && (__GNUC__ < 3)
williamr@4:   friend _Locale_name_hint* _Locale_time_extract_hint<>(_Self*);
williamr@4: #else
williamr@4:   friend _Locale_name_hint* _Locale_time_extract_hint(time_get_byname<char, istreambuf_iterator<char, char_traits<char> > >*);
williamr@4: #endif
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@4: _STLP_MOVE_TO_PRIV_NAMESPACE
williamr@4: 
williamr@2: _STLP_DECLSPEC char * _STLP_CALL
williamr@4: __write_formatted_time(char *__buf, size_t __buf_size, char __format, char __modifier,
williamr@2:                        const _Time_Info& __table, const tm* __t);
williamr@2: 
williamr@2: template <class _OuIt>
williamr@4: inline _OuIt _STLP_CALL __put_time(char * __first, char * __last, _OuIt __out_ite,
williamr@4:                                    const ios_base& /* __loc */, char)
williamr@4: { return copy(__first, __last, __out_ite); }
williamr@2: 
williamr@4: #if !defined (_STLP_NO_WCHAR_T)
williamr@2: template <class _OuIt>
williamr@4: _OuIt _STLP_CALL __put_time(char * __first, char * __last, _OuIt __out_ite,
williamr@2:                             const ios_base& __s, wchar_t);
williamr@4: #endif
williamr@2: 
williamr@4: _STLP_MOVE_TO_STD_NAMESPACE
williamr@4: 
williamr@4: #if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
williamr@4: template <class _Ch, class _OutIt>
williamr@4: #else
williamr@4: template <class _Ch, class _OutIt = ostreambuf_iterator<_Ch, char_traits<_Ch> > >
williamr@4: #endif
williamr@4: class time_put : public locale::facet, public time_base {
williamr@4:   friend class _Locale_impl;
williamr@2: public:
williamr@2:   typedef _Ch      char_type;
williamr@4:   typedef _OutIt iter_type;
williamr@2: 
williamr@4:   explicit time_put(size_t __refs = 0) : locale::facet(__refs)
williamr@4:   { _STLP_PRIV _Init_timeinfo(_M_timeinfo); }
williamr@2: 
williamr@4:   _OutIt put(iter_type __s, ios_base& __f, _Ch __fill,
williamr@4:                   const tm* __tmb,
williamr@4:                   const _Ch* __pat, const _Ch* __pat_end) const;
williamr@4: 
williamr@4:   _OutIt put(iter_type __s, ios_base& __f, _Ch  __fill,
williamr@4:                   const tm* __tmb, char __format, char __modifier = 0) const
williamr@4:   { return do_put(__s, __f,  __fill, __tmb, __format, __modifier); }
williamr@4: 
williamr@4: #if defined(__SYMBIAN32__WSD__) 
williamr@4:   static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
williamr@4: #elif defined (__SYMBIAN32__NO_STATIC_IMPORTS__)    
williamr@4:   static _STLP_STATIC_MEMBER_DECLSPEC locale::id& GetFacetLocaleId();
williamr@4:   static locale::id id;         
williamr@2: #else
williamr@4:   // NOTE: Symbian doesn't support exporting static data.  
williamr@4:   // Users of this class should use GetFacetLocaleId() to access the data member id  
williamr@4:   static _STLP_STATIC_MEMBER_DECLSPEC locale::id id;
williamr@2: #endif
williamr@4: 
williamr@2: protected:
williamr@4:   time_put(_Locale_time* /*__time*/, size_t __refs) : locale::facet(__refs)
williamr@4:   {} //_STLP_PRIV _Init_timeinfo(_M_timeinfo, __time); }
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@4: 
williamr@4:   _STLP_PRIV _Time_Info _M_timeinfo;
williamr@2: };
williamr@2: 
williamr@4: #if defined (_STLP_LIMITED_DEFAULT_TEMPLATES)
williamr@4: template <class _Ch, class _OutIt>
williamr@4: #else
williamr@4: template <class _Ch, class _OutIt = ostreambuf_iterator<_Ch, char_traits<_Ch> > >
williamr@4: #endif
williamr@4: class time_put_byname : public time_put<_Ch, _OutIt> {
williamr@4:   friend class _Locale_impl;
williamr@2: public:
williamr@2:   typedef time_base::dateorder dateorder;
williamr@4:   typedef _OutIt iter_type;
williamr@2:   typedef _Ch   char_type;
williamr@2: 
williamr@4:   explicit time_put_byname(const char * __name, size_t __refs = 0, _Locale_name_hint* __hint = 0)
williamr@4:     : time_put<_Ch, _OutIt>((_Locale_time*) 0, __refs),
williamr@4:     _M_time(_STLP_PRIV __acquire_time(__name, __hint))
williamr@4:   { _STLP_PRIV _Init_timeinfo(this->_M_timeinfo, this->_M_time); }
williamr@4: 
williamr@2: protected:
williamr@4:   ~time_put_byname() { _STLP_PRIV __release_time(_M_time); }
williamr@2: 
williamr@2: private:
williamr@2:   _Locale_time* _M_time;
williamr@4: 
williamr@4:   typedef time_put_byname<_Ch, _OutIt> _Self;
williamr@4:   //explicitely defined as private to avoid warnings:
williamr@4:   time_put_byname(_Self const&);
williamr@4:   _Self& operator = (_Self const&);
williamr@2: };
williamr@2: 
williamr@4: #if defined (_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@4: #  if !defined (_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@4: #  endif
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@4: #endif
williamr@2: 
williamr@2: #endif /* _STLP_INTERNAL_TIME_FACETS_H */
williamr@2: 
williamr@2: // Local Variables:
williamr@2: // mode:C++
williamr@2: // End: