| 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 <boost/date_time/special_defs.hpp> |
| 17 | #include <boost/date_time/find_match.hpp> |
| 18 | #include <string> |
| 19 | #include <iterator> |
| 20 | |
| 21 | namespace boost { |
| 22 | namespace gregorian { |
| 23 | |
| 24 | //! Return special_value from string argument |
| 25 | /*! Return special_value from string argument. If argument is |
| 26 | * not one of the special value names (defined in names.hpp), |
| 27 | * return 'not_special' */ |
| 28 | inline |
| 29 | date_time::special_values |
| 30 | special_value_from_string(const std::string& s) { |
| 31 | static const char* const special_value_names[date_time::NumSpecialValues] |
| 32 | = {"not-a-date-time" ,"-infinity" ,"+infinity" ,"min_date_time" , |
| 33 | "max_date_time" ,"not_special" }; |
| 34 | |
| 35 | short i = date_time::find_match(short_names: special_value_names, |
| 36 | long_names: special_value_names, |
| 37 | size: date_time::NumSpecialValues, |
| 38 | s); |
| 39 | if(i >= date_time::NumSpecialValues) { // match not found |
| 40 | return date_time::not_special; |
| 41 | } |
| 42 | else { |
| 43 | return static_cast<date_time::special_values>(i); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | //! Deprecated: Use from_simple_string |
| 48 | inline date from_string(const std::string& s) { |
| 49 | return date_time::parse_date<date>(s); |
| 50 | } |
| 51 | |
| 52 | //! From delimited date string where with order year-month-day eg: 2002-1-25 or 2003-Jan-25 (full month name is also accepted) |
| 53 | inline date from_simple_string(const std::string& s) { |
| 54 | return date_time::parse_date<date>(s, order_spec: date_time::ymd_order_iso); |
| 55 | } |
| 56 | |
| 57 | //! From delimited date string where with order year-month-day eg: 1-25-2003 or Jan-25-2003 (full month name is also accepted) |
| 58 | inline date from_us_string(const std::string& s) { |
| 59 | return date_time::parse_date<date>(s, order_spec: date_time::ymd_order_us); |
| 60 | } |
| 61 | |
| 62 | //! From delimited date string where with order day-month-year eg: 25-1-2002 or 25-Jan-2003 (full month name is also accepted) |
| 63 | inline date from_uk_string(const std::string& s) { |
| 64 | return date_time::parse_date<date>(s, order_spec: date_time::ymd_order_dmy); |
| 65 | } |
| 66 | |
| 67 | //! From iso type date string where with order year-month-day eg: 20020125 |
| 68 | inline date from_undelimited_string(const std::string& s) { |
| 69 | return date_time::parse_undelimited_date<date>(s); |
| 70 | } |
| 71 | |
| 72 | //! From iso type date string where with order year-month-day eg: 20020125 |
| 73 | inline date date_from_iso_string(const std::string& s) { |
| 74 | return date_time::parse_undelimited_date<date>(s); |
| 75 | } |
| 76 | |
| 77 | #if !(defined(BOOST_NO_STD_ITERATOR_TRAITS)) |
| 78 | //! Stream should hold a date in the form of: 2002-1-25. Month number, abbrev, or name are accepted |
| 79 | /* Arguments passed in by-value for convertability of char[] |
| 80 | * to iterator_type. Calls to from_stream_type are by-reference |
| 81 | * since conversion is already done */ |
| 82 | template<class iterator_type> |
| 83 | inline date from_stream(iterator_type beg, iterator_type end) { |
| 84 | if(beg == end) |
| 85 | { |
| 86 | return date(not_a_date_time); |
| 87 | } |
| 88 | typedef typename std::iterator_traits<iterator_type>::value_type value_type; |
| 89 | return date_time::from_stream_type<date>(beg, end, value_type()); |
| 90 | } |
| 91 | #endif //BOOST_NO_STD_ITERATOR_TRAITS |
| 92 | |
| 93 | #if (defined(_MSC_VER) && (_MSC_VER < 1300)) |
| 94 | // This function cannot be compiled with MSVC 6.0 due to internal compiler shorcomings |
| 95 | #else |
| 96 | //! Function to parse a date_period from a string (eg: [2003-Oct-31/2003-Dec-25]) |
| 97 | inline date_period date_period_from_string(const std::string& s){ |
| 98 | return date_time::from_simple_string_type<date,char>(s); |
| 99 | } |
| 100 | # if !defined(BOOST_NO_STD_WSTRING) |
| 101 | //! Function to parse a date_period from a wstring (eg: [2003-Oct-31/2003-Dec-25]) |
| 102 | inline date_period date_period_from_wstring(const std::wstring& s){ |
| 103 | return date_time::from_simple_string_type<date,wchar_t>(s); |
| 104 | } |
| 105 | # endif // BOOST_NO_STD_WSTRING |
| 106 | #endif |
| 107 | |
| 108 | } } //namespace gregorian |
| 109 | |
| 110 | #endif |
| 111 | |