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Diffstat (limited to 'src/third_party/boost/boost/date_time/date_parsing.hpp')
-rw-r--r-- | src/third_party/boost/boost/date_time/date_parsing.hpp | 316 |
1 files changed, 0 insertions, 316 deletions
diff --git a/src/third_party/boost/boost/date_time/date_parsing.hpp b/src/third_party/boost/boost/date_time/date_parsing.hpp deleted file mode 100644 index f361bc8096e..00000000000 --- a/src/third_party/boost/boost/date_time/date_parsing.hpp +++ /dev/null @@ -1,316 +0,0 @@ -#ifndef _DATE_TIME_DATE_PARSING_HPP___ -#define _DATE_TIME_DATE_PARSING_HPP___ - -/* Copyright (c) 2002,2003,2005 CrystalClear Software, Inc. - * Use, modification and distribution is subject to the - * Boost Software License, Version 1.0. (See accompanying - * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) - * Author: Jeff Garland, Bart Garst - * $Date: 2009-06-04 04:24:49 -0400 (Thu, 04 Jun 2009) $ - */ - -#include <string> -#include <iterator> -#include <algorithm> -#include <boost/tokenizer.hpp> -#include <boost/lexical_cast.hpp> -#include <boost/date_time/compiler_config.hpp> -#include <boost/date_time/parse_format_base.hpp> - -#if defined(BOOST_DATE_TIME_NO_LOCALE) -#include <cctype> // ::tolower(int) -#else -#include <locale> // std::tolower(char, locale) -#endif - -namespace boost { -namespace date_time { - - //! A function to replace the std::transform( , , ,tolower) construct - /*! This function simply takes a string, and changes all the characters - * in that string to lowercase (according to the default system locale). - * In the event that a compiler does not support locales, the old - * C style tolower() is used. - */ - inline - std::string - convert_to_lower(std::string inp) - { -#if !defined(BOOST_DATE_TIME_NO_LOCALE) - const std::locale loc(std::locale::classic()); -#endif - std::string::size_type i = 0, n = inp.length(); - for (; i < n; ++i) { - inp[i] = -#if defined(BOOST_DATE_TIME_NO_LOCALE) - static_cast<char>(std::tolower(inp[i])); -#else - // tolower and others were brought in to std for borland >= v564 - // in compiler_config.hpp - std::tolower(inp[i], loc); -#endif - } - return inp; - } - - //! Helper function for parse_date. - /* Used by-value parameter because we change the string and may - * want to preserve the original argument */ - template<class month_type> - inline unsigned short - month_str_to_ushort(std::string const& s) { - if((s.at(0) >= '0') && (s.at(0) <= '9')) { - return boost::lexical_cast<unsigned short>(s); - } - else { - std::string str = convert_to_lower(s); - typename month_type::month_map_ptr_type ptr = month_type::get_month_map_ptr(); - typename month_type::month_map_type::iterator iter = ptr->find(str); - if(iter != ptr->end()) { // required for STLport - return iter->second; - } - } - return 13; // intentionally out of range - name not found - } - - //! Find index of a string in either of 2 arrays - /*! find_match searches both arrays for a match to 's'. Both arrays - * must contain 'size' elements. The index of the match is returned. - * If no match is found, 'size' is returned. - * Ex. "Jan" returns 0, "Dec" returns 11, "Tue" returns 2. - * 'size' can be sent in with: (greg_month::max)() (which 12), - * (greg_weekday::max)() + 1 (which is 7) or date_time::NumSpecialValues */ - template<class charT> - short find_match(const charT* const* short_names, - const charT* const* long_names, - short size, - const std::basic_string<charT>& s) { - for(short i = 0; i < size; ++i){ - if(short_names[i] == s || long_names[i] == s){ - return i; - } - } - return size; // not-found, return a value out of range - } - - //! Generic function to parse a delimited date (eg: 2002-02-10) - /*! Accepted formats are: "2003-02-10" or " 2003-Feb-10" or - * "2003-Feburary-10" - * The order in which the Month, Day, & Year appear in the argument - * string can be accomodated by passing in the appropriate ymd_order_spec - */ - template<class date_type> - date_type - parse_date(const std::string& s, int order_spec = ymd_order_iso) { - std::string spec_str; - if(order_spec == ymd_order_iso) { - spec_str = "ymd"; - } - else if(order_spec == ymd_order_dmy) { - spec_str = "dmy"; - } - else { // (order_spec == ymd_order_us) - spec_str = "mdy"; - } - - typedef typename date_type::year_type year_type; - typedef typename date_type::month_type month_type; - unsigned pos = 0; - unsigned short year(0), month(0), day(0); - typedef typename std::basic_string<char>::traits_type traits_type; - typedef boost::char_separator<char, traits_type> char_separator_type; - typedef boost::tokenizer<char_separator_type, - std::basic_string<char>::const_iterator, - std::basic_string<char> > tokenizer; - typedef boost::tokenizer<char_separator_type, - std::basic_string<char>::const_iterator, - std::basic_string<char> >::iterator tokenizer_iterator; - // may need more delimiters, these work for the regression tests - const char sep_char[] = {',','-','.',' ','/','\0'}; - char_separator_type sep(sep_char); - tokenizer tok(s,sep); - for(tokenizer_iterator beg=tok.begin(); - beg!=tok.end() && pos < spec_str.size(); - ++beg, ++pos) { - switch(spec_str.at(pos)) { - case 'y': - { - year = boost::lexical_cast<unsigned short>(*beg); - break; - } - case 'm': - { - month = month_str_to_ushort<month_type>(*beg); - break; - } - case 'd': - { - day = boost::lexical_cast<unsigned short>(*beg); - break; - } - } //switch - } - return date_type(year, month, day); - } - - //! Generic function to parse undelimited date (eg: 20020201) - template<class date_type> - date_type - parse_undelimited_date(const std::string& s) { - int offsets[] = {4,2,2}; - int pos = 0; - typedef typename date_type::year_type year_type; - //typename date_type::ymd_type ymd((year_type::min)(),1,1); - unsigned short y = 0, m = 0, d = 0; - - /* The two bool arguments state that parsing will not wrap - * (only the first 8 characters will be parsed) and partial - * strings will not be parsed. - * Ex: - * "2005121" will parse 2005 & 12, but not the "1" */ - boost::offset_separator osf(offsets, offsets+3, false, false); - - typedef typename boost::tokenizer<boost::offset_separator, - std::basic_string<char>::const_iterator, - std::basic_string<char> > tokenizer_type; - tokenizer_type tok(s, osf); - for(typename tokenizer_type::iterator ti=tok.begin(); ti!=tok.end();++ti) { - unsigned short i = boost::lexical_cast<unsigned short>(*ti); - switch(pos) { - case 0: y = i; break; - case 1: m = i; break; - case 2: d = i; break; - } - pos++; - } - return date_type(y,m,d); - } - - //! Helper function for 'date gregorian::from_stream()' - /*! Creates a string from the iterators that reference the - * begining & end of a char[] or string. All elements are - * used in output string */ - template<class date_type, class iterator_type> - inline - date_type - from_stream_type(iterator_type& beg, - iterator_type const& end, - char) - { - std::ostringstream ss; - while(beg != end) { - ss << *beg++; - } - return parse_date<date_type>(ss.str()); - } - - //! Helper function for 'date gregorian::from_stream()' - /*! Returns the first string found in the stream referenced by the - * begining & end iterators */ - template<class date_type, class iterator_type> - inline - date_type - from_stream_type(iterator_type& beg, - iterator_type const& /* end */, - std::string const&) - { - return parse_date<date_type>(*beg); - } - - /* I believe the wchar stuff would be best elsewhere, perhaps in - * parse_date<>()? In the mean time this gets us started... */ - //! Helper function for 'date gregorian::from_stream()' - /*! Creates a string from the iterators that reference the - * begining & end of a wstring. All elements are - * used in output string */ - template<class date_type, class iterator_type> - inline - date_type from_stream_type(iterator_type& beg, - iterator_type const& end, - wchar_t) - { - std::ostringstream ss; -#if !defined(BOOST_DATE_TIME_NO_LOCALE) - std::locale loc; - std::ctype<wchar_t> const& fac = std::use_facet<std::ctype<wchar_t> >(loc); - while(beg != end) { - ss << fac.narrow(*beg++, 'X'); // 'X' will cause exception to be thrown - } -#else - while(beg != end) { - char c = 'X'; // 'X' will cause exception to be thrown - const wchar_t wc = *beg++; - if (wc >= 0 && wc <= 127) - c = static_cast< char >(wc); - ss << c; - } -#endif - return parse_date<date_type>(ss.str()); - } -#ifndef BOOST_NO_STD_WSTRING - //! Helper function for 'date gregorian::from_stream()' - /*! Creates a string from the first wstring found in the stream - * referenced by the begining & end iterators */ - template<class date_type, class iterator_type> - inline - date_type - from_stream_type(iterator_type& beg, - iterator_type const& /* end */, - std::wstring const&) { - std::wstring ws = *beg; - std::ostringstream ss; - std::wstring::iterator wsb = ws.begin(), wse = ws.end(); -#if !defined(BOOST_DATE_TIME_NO_LOCALE) - std::locale loc; - std::ctype<wchar_t> const& fac = std::use_facet<std::ctype<wchar_t> >(loc); - while(wsb != wse) { - ss << fac.narrow(*wsb++, 'X'); // 'X' will cause exception to be thrown - } -#else - while(wsb != wse) { - char c = 'X'; // 'X' will cause exception to be thrown - const wchar_t wc = *wsb++; - if (wc >= 0 && wc <= 127) - c = static_cast< char >(wc); - ss << c; - } -#endif - return parse_date<date_type>(ss.str()); - } -#endif // BOOST_NO_STD_WSTRING -#if (defined(BOOST_MSVC) && (_MSC_VER < 1300)) - // This function cannot be compiled with MSVC 6.0 due to internal compiler shorcomings -#else - //! function called by wrapper functions: date_period_from_(w)string() - template<class date_type, class charT> - period<date_type, typename date_type::duration_type> - from_simple_string_type(const std::basic_string<charT>& s){ - typedef typename std::basic_string<charT>::traits_type traits_type; - typedef typename boost::char_separator<charT, traits_type> char_separator; - typedef typename boost::tokenizer<char_separator, - typename std::basic_string<charT>::const_iterator, - std::basic_string<charT> > tokenizer; - const charT sep_list[4] = {'[','/',']','\0'}; - char_separator sep(sep_list); - tokenizer tokens(s, sep); - typename tokenizer::iterator tok_it = tokens.begin(); - std::basic_string<charT> date_string = *tok_it; - // get 2 string iterators and generate a date from them - typename std::basic_string<charT>::iterator date_string_start = date_string.begin(), - date_string_end = date_string.end(); - typedef typename std::iterator_traits<typename std::basic_string<charT>::iterator>::value_type value_type; - date_type d1 = from_stream_type<date_type>(date_string_start, date_string_end, value_type()); - date_string = *(++tok_it); // next token - date_string_start = date_string.begin(), date_string_end = date_string.end(); - date_type d2 = from_stream_type<date_type>(date_string_start, date_string_end, value_type()); - return period<date_type, typename date_type::duration_type>(d1, d2); - } -#endif - -} } //namespace date_time - - - - -#endif - |