Added boost header

test/external/boost/date_time/gregorian/greg_facet.hpp

@@ -0,0 +1,354 @@
+#ifndef GREGORIAN_FACET_HPP___
+#define GREGORIAN_FACET_HPP___
+
+/* Copyright (c) 2002,2003 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: 2008-11-23 06:13:35 -0500 (Sun, 23 Nov 2008) $
+ */
+
+#include "boost/date_time/gregorian/gregorian_types.hpp"
+#include "boost/date_time/date_formatting_locales.hpp" // sets BOOST_DATE_TIME_NO_LOCALE
+#include "boost/date_time/gregorian/parsers.hpp"
+
+//This file is basically commented out if locales are not supported
+#ifndef BOOST_DATE_TIME_NO_LOCALE
+
+#include <string>
+#include <memory>
+#include <locale>
+#include <iostream>
+#include <exception>
+
+namespace boost {
+namespace gregorian {
+  
+  //! Configuration of the output facet template
+  struct greg_facet_config
+  {
+    typedef boost::gregorian::greg_month month_type;
+    typedef boost::date_time::special_values special_value_enum;
+    typedef boost::gregorian::months_of_year month_enum;
+    typedef boost::date_time::weekdays weekday_enum;
+  };
+
+#if defined(USE_DATE_TIME_PRE_1_33_FACET_IO)
+  //! Create the base facet type for gregorian::date
+  typedef boost::date_time::date_names_put<greg_facet_config> greg_base_facet;
+
+  //! ostream operator for gregorian::date
+  /*! Uses the date facet to determine various output parameters including:
+   *  - string values for the month (eg: Jan, Feb, Mar) (default: English)
+   *  - string values for special values (eg: not-a-date-time) (default: English)
+   *  - selection of long, short strings, or numerical month representation (default: short string)
+   *  - month day year order (default yyyy-mmm-dd)
+   */
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, const date& d)
+  {
+    typedef boost::date_time::date_names_put<greg_facet_config, charT> facet_def;
+    typedef boost::date_time::ostream_date_formatter<date, facet_def, charT> greg_ostream_formatter;
+    greg_ostream_formatter::date_put(d, os);
+    return os;
+  }
+
+  //! operator<< for gregorian::greg_month typically streaming: Jan, Feb, Mar...
+  /*! Uses the date facet to determine output string as well as selection of long or short strings.
+   *  Default if no facet is installed is to output a 2 wide numeric value for the month
+   *  eg: 01 == Jan, 02 == Feb, ... 12 == Dec.
+   */
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, const greg_month& m)
+  {
+    typedef boost::date_time::date_names_put<greg_facet_config, charT> facet_def;
+    typedef boost::date_time::ostream_month_formatter<facet_def, charT> greg_month_formatter;
+    std::locale locale = os.getloc();
+    if (std::has_facet<facet_def>(locale)) {
+      const facet_def& f = std::use_facet<facet_def>(locale);
+      greg_month_formatter::format_month(m, os, f);
+
+    }
+    else { //default to numeric
+      charT fill_char = '0';
+      os  << std::setw(2) << std::setfill(fill_char) << m.as_number();
+    }
+
+    return os;
+  }
+
+  //! operator<< for gregorian::greg_weekday typically streaming: Sun, Mon, Tue, ...
+  /*! Uses the date facet to determine output string as well as selection of long or short string.
+   *  Default if no facet is installed is to output a 3 char english string for the
+   *  day of the week.
+   */
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, const greg_weekday& wd)
+  {
+    typedef boost::date_time::date_names_put<greg_facet_config, charT> facet_def;
+    typedef boost::date_time::ostream_weekday_formatter<greg_weekday, facet_def, charT> greg_weekday_formatter;
+    std::locale locale = os.getloc();
+    if (std::has_facet<facet_def>(locale)) {
+      const facet_def& f = std::use_facet<facet_def>(locale);
+      greg_weekday_formatter::format_weekday(wd.as_enum(), os, f, true);
+    }
+    else { //default to short English string eg: Sun, Mon, Tue, Wed...
+      os  << wd.as_short_string();
+    }
+
+    return os;
+  }
+
+  //! operator<< for gregorian::date_period typical output: [2002-Jan-01/2002-Jan-31]
+  /*! Uses the date facet to determine output string as well as selection of long 
+   *  or short string fr dates.
+   *  Default if no facet is installed is to output a 3 char english string for the
+   *  day of the week.
+   */
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, const date_period& dp)
+  {
+    os << '['; //TODO: facet or manipulator for periods?
+    os << dp.begin();
+    os << '/'; //TODO: facet or manipulator for periods?
+    os << dp.last();
+    os << ']'; 
+    return os;
+  }
+
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, const date_duration& dd)
+  {
+    //os << dd.days();
+    os << dd.get_rep();
+    return os;
+  }
+
+  //! operator<< for gregorian::partial_date. Output: "Jan 1"
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, const partial_date& pd)
+  {
+    os << std::setw(2) << std::setfill('0') << pd.day() << ' ' 
+       << pd.month().as_short_string() ; 
+    return os;
+  }
+
+  //! operator<< for gregorian::nth_kday_of_month. Output: "first Mon of Jun"
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, 
+             const nth_kday_of_month& nkd)
+  {
+    os << nkd.nth_week_as_str() << ' ' 
+       << nkd.day_of_week() << " of "
+       << nkd.month().as_short_string() ; 
+    return os;
+  }
+
+  //! operator<< for gregorian::first_kday_of_month. Output: "first Mon of Jun"
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, 
+             const first_kday_of_month& fkd)
+  {
+    os << "first " << fkd.day_of_week() << " of " 
+       << fkd.month().as_short_string() ; 
+    return os;
+  }
+
+  //! operator<< for gregorian::last_kday_of_month. Output: "last Mon of Jun"
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, 
+             const last_kday_of_month& lkd)
+  {
+    os << "last " << lkd.day_of_week() << " of " 
+       << lkd.month().as_short_string() ; 
+    return os;
+  }
+
+  //! operator<< for gregorian::first_kday_after. Output: "first Mon after"
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, 
+             const first_kday_after& fka)
+  {
+    os << fka.day_of_week() << " after"; 
+    return os;
+  }
+
+  //! operator<< for gregorian::first_kday_before. Output: "first Mon before"
+  template <class charT, class traits>
+  inline
+  std::basic_ostream<charT, traits>&
+  operator<<(std::basic_ostream<charT, traits>& os, 
+             const first_kday_before& fkb)
+  {
+    os << fkb.day_of_week() << " before"; 
+    return os;
+  }
+#endif // USE_DATE_TIME_PRE_1_33_FACET_IO
+  /**************** Input Streaming ******************/
+  
+#if !defined(BOOST_NO_STD_ITERATOR_TRAITS)
+  //! operator>> for gregorian::date
+  template<class charT>
+  inline 
+  std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, date& d)
+  {
+    std::istream_iterator<std::basic_string<charT>, charT> beg(is), eos;
+    
+    typedef boost::date_time::all_date_names_put<greg_facet_config, charT> facet_def;
+    d = from_stream(beg, eos);
+    return is;
+  }
+#endif // BOOST_NO_STD_ITERATOR_TRAITS
+
+  //! operator>> for gregorian::date_duration
+  template<class charT>
+  inline
+  std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, 
+                                        date_duration& dd)
+  {
+    long v;
+    is >> v;
+    dd = date_duration(v);
+    return is;
+  }
+
+  //! operator>> for gregorian::date_period
+  template<class charT>
+  inline
+  std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is,
+                                        date_period& dp)
+  {
+    std::basic_string<charT> s;
+    is >> s;
+    dp = date_time::from_simple_string_type<date>(s);
+    return is;
+  }
+
+  //! generates a locale with the set of gregorian name-strings of type char*
+  BOOST_DATE_TIME_DECL std::locale generate_locale(std::locale& loc, char type);
+
+  //! Returns a pointer to a facet with a default set of names (English)
+  /* Necessary in the event an exception is thrown from op>> for 
+   * weekday or month. See comments in those functions for more info */
+  BOOST_DATE_TIME_DECL boost::date_time::all_date_names_put<greg_facet_config, char>* create_facet_def(char type);
+
+#ifndef BOOST_NO_STD_WSTRING
+  //! generates a locale with the set of gregorian name-strings of type wchar_t*
+  BOOST_DATE_TIME_DECL std::locale generate_locale(std::locale& loc, wchar_t type);
+  //! Returns a pointer to a facet with a default set of names (English)
+  /* Necessary in the event an exception is thrown from op>> for 
+   * weekday or month. See comments in those functions for more info */
+  BOOST_DATE_TIME_DECL boost::date_time::all_date_names_put<greg_facet_config, wchar_t>* create_facet_def(wchar_t type);
+#endif // BOOST_NO_STD_WSTRING
+
+  //! operator>> for gregorian::greg_month - throws exception if invalid month given
+  template<class charT>
+  inline
+  std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is,greg_month& m) 
+  {
+    typedef boost::date_time::all_date_names_put<greg_facet_config, charT> facet_def;
+
+    std::basic_string<charT> s;
+    is >> s;
+    
+    if(!std::has_facet<facet_def>(is.getloc())) {
+      std::locale loc = is.getloc();
+      charT a = '\0';
+      is.imbue(generate_locale(loc, a));
+    }
+
+    short num = 0;
+
+    try{
+      const facet_def& f = std::use_facet<facet_def>(is.getloc());
+      num = date_time::find_match(f.get_short_month_names(), 
+                                  f.get_long_month_names(), 
+                                  (greg_month::max)(), s); // greg_month spans 1..12, so max returns the array size,
+                                                           // which is needed by find_match
+    }
+    /* bad_cast will be thrown if the desired facet is not accessible
+     * so we can generate the facet. This has the drawback of using english
+     * names as a default. */
+    catch(std::bad_cast&){
+      charT a = '\0';
+      std::auto_ptr< const facet_def > f(create_facet_def(a));
+      num = date_time::find_match(f->get_short_month_names(), 
+                                  f->get_long_month_names(), 
+                                  (greg_month::max)(), s); // greg_month spans 1..12, so max returns the array size,
+                                                           // which is needed by find_match
+    }
+    
+    ++num; // months numbered 1-12
+    m = greg_month(num); 
+
+    return is;
+  }
+
+  //! operator>> for gregorian::greg_weekday  - throws exception if invalid weekday given
+  template<class charT>
+  inline
+  std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is,greg_weekday& wd) 
+  {
+    typedef boost::date_time::all_date_names_put<greg_facet_config, charT> facet_def;
+
+    std::basic_string<charT> s;
+    is >> s;
+
+    if(!std::has_facet<facet_def>(is.getloc())) {
+      std::locale loc = is.getloc();
+      charT a = '\0';
+      is.imbue(generate_locale(loc, a));
+    }
+
+    short num = 0;
+    try{
+      const facet_def& f = std::use_facet<facet_def>(is.getloc());
+      num = date_time::find_match(f.get_short_weekday_names(), 
+                                  f.get_long_weekday_names(), 
+                                  (greg_weekday::max)() + 1, s); // greg_weekday spans 0..6, so increment is needed
+                                                                 // to form the array size which is needed by find_match
+    }
+    /* bad_cast will be thrown if the desired facet is not accessible
+     * so we can generate the facet. This has the drawback of using english
+     * names as a default. */
+    catch(std::bad_cast&){
+      charT a = '\0';
+      std::auto_ptr< const facet_def > f(create_facet_def(a));
+      num = date_time::find_match(f->get_short_weekday_names(), 
+                                  f->get_long_weekday_names(), 
+                                  (greg_weekday::max)() + 1, s); // greg_weekday spans 0..6, so increment is needed
+                                                                 // to form the array size which is needed by find_match
+    }
+   
+    wd = greg_weekday(num); // weekdays numbered 0-6
+    return is;
+  }
+
+} } //namespace gregorian
+
+#endif  
+    
+    
+#endif
+