boost/date_time/date_format_simple.hpp

   1 #ifndef DATE_TIME_SIMPLE_FORMAT_HPP___
   2 #define DATE_TIME_SIMPLE_FORMAT_HPP___
   3
   4 /* Copyright (c) 2002,2003 CrystalClear Software, Inc.
   5  * Use, modification and distribution is subject to the
   6  * Boost Software License, Version 1.0. (See accompanying
   7  * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
   8  * Author: Jeff Garland, Bart Garst
   9  * $Date$
  10  */
  11
  12 #include "boost/date_time/parse_format_base.hpp"
  13
  14 namespace boost {
  15 namespace date_time {
  16
  17 //! Class to provide simple basic formatting rules
  18 template<class charT>
  19 class simple_format {
  20 public:
  21
  22   //! String used printed is date is invalid
  23   static const charT* not_a_date()
  24   {
  25     return "not-a-date-time";
  26   }
  27   //! String used to for positive infinity value
  28   static const charT* pos_infinity()
  29   {
  30     return "+infinity";
  31   }
  32   //! String used to for positive infinity value
  33   static const charT* neg_infinity()
  34   {
  35     return "-infinity";
  36   }
  37   //! Describe month format
  38   static month_format_spec month_format()
  39   {
  40     return month_as_short_string;
  41   }
  42   static ymd_order_spec date_order()
  43   {
  44     return ymd_order_iso; //YYYY-MM-DD
  45   }
  46   //! This format uses '-' to separate date elements
  47   static bool has_date_sep_chars()
  48   {
  49     return true;
  50   }
  51   //! Char to sep?
  52   static charT year_sep_char()
  53   {
  54     return '-';
  55   }
  56   //! char between year-month
  57   static charT month_sep_char()
  58   {
  59     return '-';
  60   }
  61   //! Char to separate month-day
  62   static charT day_sep_char()
  63   {
  64     return '-';
  65   }
  66   //! char between date-hours
  67   static charT hour_sep_char()
  68   {
  69     return ' ';
  70   }
  71   //! char between hour and minute
  72   static charT minute_sep_char()
  73   {
  74     return ':';
  75   }
  76   //! char for second
  77   static charT second_sep_char()
  78   {
  79     return ':';
  80   }
  81
  82 };
  83
  84 #ifndef BOOST_NO_STD_WSTRING
  85
  86 //! Specialization of formmating rules for wchar_t
  87 template<>
  88 class simple_format<wchar_t> {
  89 public:
  90
  91   //! String used printed is date is invalid
  92   static const wchar_t* not_a_date()
  93   {
  94     return L"not-a-date-time";
  95   }
  96   //! String used to for positive infinity value
  97   static const wchar_t* pos_infinity()
  98   {
  99     return L"+infinity";
 100   }
 101   //! String used to for positive infinity value
 102   static const wchar_t* neg_infinity()
 103   {
 104     return L"-infinity";
 105   }
 106   //! Describe month format
 107   static month_format_spec month_format()
 108   {
 109     return month_as_short_string;
 110   }
 111   static ymd_order_spec date_order()
 112   {
 113     return ymd_order_iso; //YYYY-MM-DD
 114   }
 115   //! This format uses '-' to separate date elements
 116   static bool has_date_sep_chars()
 117   {
 118     return true;
 119   }
 120   //! Char to sep?
 121   static wchar_t year_sep_char()
 122   {
 123     return '-';
 124   }
 125   //! char between year-month
 126   static wchar_t month_sep_char()
 127   {
 128     return '-';
 129   }
 130   //! Char to separate month-day
 131   static wchar_t day_sep_char()
 132   {
 133     return '-';
 134   }
 135   //! char between date-hours
 136   static wchar_t hour_sep_char()
 137   {
 138     return ' ';
 139   }
 140   //! char between hour and minute
 141   static wchar_t minute_sep_char()
 142   {
 143     return ':';
 144   }
 145   //! char for second
 146   static wchar_t second_sep_char()
 147   {
 148     return ':';
 149   }
 150
 151 };
 152
 153 #endif // BOOST_NO_STD_WSTRING
 154 } } //namespace date_time
 155
 156
 157
 158
 159 #endif