boost/date_time/gregorian/parsers.hpp

   1 #ifndef GREGORIAN_PARSERS_HPP___
   2 #define GREGORIAN_PARSERS_HPP___
   3
   4 /* Copyright (c) 2002,2003,2005 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/gregorian/gregorian_types.hpp"
  13 #include "boost/date_time/date_parsing.hpp"
  14 #include "boost/date_time/compiler_config.hpp"
  15 #include "boost/date_time/parse_format_base.hpp"
  16 #include <string>
  17 #include <sstream>
  18
  19 namespace boost {
  20 namespace gregorian {
  21
  22   //! Return special_value from string argument
  23   /*! Return special_value from string argument. If argument is
  24    * not one of the special value names (defined in src/gregorian/names.hpp),
  25    * return 'not_special' */
  26   BOOST_DATE_TIME_DECL special_values special_value_from_string(const std::string& s);
  27
  28   //! Deprecated: Use from_simple_string
  29   inline date from_string(std::string s) {
  30     return date_time::parse_date<date>(s);
  31   }
  32
  33   //! From delimited date string where with order year-month-day eg: 2002-1-25 or 2003-Jan-25 (full month name is also accepted)
  34   inline date from_simple_string(std::string s) {
  35     return date_time::parse_date<date>(s, date_time::ymd_order_iso);
  36   }
  37
  38   //! From delimited date string where with order year-month-day eg: 1-25-2003 or Jan-25-2003 (full month name is also accepted)
  39   inline date from_us_string(std::string s) {
  40     return date_time::parse_date<date>(s, date_time::ymd_order_us);
  41   }
  42
  43   //! From delimited date string where with order day-month-year eg: 25-1-2002 or 25-Jan-2003 (full month name is also accepted)
  44   inline date from_uk_string(std::string s) {
  45     return date_time::parse_date<date>(s, date_time::ymd_order_dmy);
  46   }
  47
  48   //! From iso type date string where with order year-month-day eg: 20020125
  49   inline date from_undelimited_string(std::string s) {
  50     return date_time::parse_undelimited_date<date>(s);
  51   }
  52
  53   //! From iso type date string where with order year-month-day eg: 20020125
  54   inline date date_from_iso_string(const std::string& s) {
  55     return date_time::parse_undelimited_date<date>(s);
  56   }
  57
  58 #if !(defined(BOOST_NO_STD_ITERATOR_TRAITS))
  59   //! Stream should hold a date in the form of: 2002-1-25. Month number, abbrev, or name are accepted
  60   /* Arguments passed in by-value for convertability of char[]
  61    * to iterator_type. Calls to from_stream_type are by-reference
  62    * since conversion is already done */
  63   template<class iterator_type>
  64   inline date from_stream(iterator_type beg, iterator_type end) {
  65     if(beg == end)
  66     {
  67       return date(not_a_date_time);
  68     }
  69     typedef typename std::iterator_traits<iterator_type>::value_type value_type;
  70     return  date_time::from_stream_type<date>(beg, end, value_type());
  71   }
  72 #endif //BOOST_NO_STD_ITERATOR_TRAITS
  73
  74 #if (defined(_MSC_VER) && (_MSC_VER < 1300))
  75     // This function cannot be compiled with MSVC 6.0 due to internal compiler shorcomings
  76 #else
  77   //! Function to parse a date_period from a string (eg: [2003-Oct-31/2003-Dec-25])
  78   inline date_period date_period_from_string(const std::string& s){
  79     return date_time::from_simple_string_type<date,char>(s);
  80   }
  81 #  if !defined(BOOST_NO_STD_WSTRING)
  82   //! Function to parse a date_period from a wstring (eg: [2003-Oct-31/2003-Dec-25])
  83   inline date_period date_period_from_wstring(const std::wstring& s){
  84     return date_time::from_simple_string_type<date,wchar_t>(s);
  85   }
  86 #  endif // BOOST_NO_STD_WSTRING
  87 #endif
  88
  89 } } //namespace gregorian
  90
  91 #endif