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 special_value_from_string(const std::string & s)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(special_value_names, 36 special_value_names, 37 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 from_string(const std::string & s)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) from_simple_string(const std::string & s)53 inline date from_simple_string(const std::string& s) { 54 return date_time::parse_date<date>(s, 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) from_us_string(const std::string & s)58 inline date from_us_string(const std::string& s) { 59 return date_time::parse_date<date>(s, 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) from_uk_string(const std::string & s)63 inline date from_uk_string(const std::string& s) { 64 return date_time::parse_date<date>(s, date_time::ymd_order_dmy); 65 } 66 67 //! From iso type date string where with order year-month-day eg: 20020125 from_undelimited_string(const std::string & s)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 date_from_iso_string(const std::string & s)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> from_stream(iterator_type beg,iterator_type end)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]) date_period_from_string(const std::string & s)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]) date_period_from_wstring(const std::wstring & s)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