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 | |