--- /dev/null
+#ifndef _DATE_TIME_DATE_GENERATOR_FORMATTER__HPP___
+#define _DATE_TIME_DATE_GENERATOR_FORMATTER__HPP___
+
+/* Copyright (c) 2004 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
+ * $Date$
+ */
+
+#include <iostream>
+#include <string>
+#include <vector>
+#include <algorithm>
+#include "boost/date_time/date_generators.hpp"
+
+namespace boost {
+namespace date_time {
+
+ //! Formats date_generators for output
+ /*! Formatting of date_generators follows specific orders for the
+ * various types of date_generators.
+ * - partial_date => "dd Month"
+ * - nth_day_of_the_week_in_month => "nth weekday of month"
+ * - first_day_of_the_week_in_month => "first weekday of month"
+ * - last_day_of_the_week_in_month => "last weekday of month"
+ * - first_day_of_the_week_after => "weekday after"
+ * - first_day_of_the_week_before => "weekday before"
+ * While the order of the elements in these phrases cannot be changed,
+ * the elements themselves can be. Weekday and Month get their formats
+ * and names from the date_facet. The remaining elements are stored in
+ * the date_generator_formatter and can be customized upon construction
+ * or via a member function. The default elements are those shown in the
+ * examples above.
+ */
+ template <class date_type, class CharT, class OutItrT = std::ostreambuf_iterator<CharT, std::char_traits<CharT> > >
+ class date_generator_formatter {
+ public:
+ typedef partial_date<date_type> partial_date_type;
+ typedef nth_kday_of_month<date_type> nth_kday_type;
+ typedef first_kday_of_month<date_type> first_kday_type;
+ typedef last_kday_of_month<date_type> last_kday_type;
+ typedef first_kday_after<date_type> kday_after_type;
+ typedef first_kday_before<date_type> kday_before_type;
+
+ typedef CharT char_type;
+ typedef std::basic_string<char_type> string_type;
+ typedef std::vector<string_type> collection_type;
+ static const char_type first_string[6];
+ static const char_type second_string[7];
+ static const char_type third_string[6];
+ static const char_type fourth_string[7];
+ static const char_type fifth_string[6];
+ static const char_type last_string[5];
+ static const char_type before_string[8];
+ static const char_type after_string[6];
+ static const char_type of_string[3];
+
+ enum phrase_elements {first=0, second, third, fourth, fifth, last,
+ before, after, of, number_of_phrase_elements};
+
+ //! Default format elements used
+ date_generator_formatter()
+ {
+ phrase_strings.reserve(number_of_phrase_elements);
+ phrase_strings.push_back(string_type(first_string));
+ phrase_strings.push_back(string_type(second_string));
+ phrase_strings.push_back(string_type(third_string));
+ phrase_strings.push_back(string_type(fourth_string));
+ phrase_strings.push_back(string_type(fifth_string));
+ phrase_strings.push_back(string_type(last_string));
+ phrase_strings.push_back(string_type(before_string));
+ phrase_strings.push_back(string_type(after_string));
+ phrase_strings.push_back(string_type(of_string));
+ }
+
+ //! Constructor that allows for a custom set of phrase elements
+ date_generator_formatter(const string_type& first_str,
+ const string_type& second_str,
+ const string_type& third_str,
+ const string_type& fourth_str,
+ const string_type& fifth_str,
+ const string_type& last_str,
+ const string_type& before_str,
+ const string_type& after_str,
+ const string_type& of_str)
+ {
+ phrase_strings.reserve(number_of_phrase_elements);
+ phrase_strings.push_back(first_str);
+ phrase_strings.push_back(second_str);
+ phrase_strings.push_back(third_str);
+ phrase_strings.push_back(fourth_str);
+ phrase_strings.push_back(fifth_str);
+ phrase_strings.push_back(last_str);
+ phrase_strings.push_back(before_str);
+ phrase_strings.push_back(after_str);
+ phrase_strings.push_back(of_str);
+ }
+
+ //! Replace the set of phrase elements with those contained in new_strings
+ /*! The order of the strings in the given collection is important.
+ * They must follow:
+ * - first, second, third, fourth, fifth, last, before, after, of.
+ *
+ * It is not necessary to send in a complete set if only a few
+ * elements are to be replaced as long as the correct beg_pos is used.
+ *
+ * Ex: To keep the default first through fifth elements, but replace
+ * the rest with a collection of:
+ * - "final", "prior", "following", "in".
+ * The beg_pos of date_generator_formatter::last would be used.
+ */
+ void elements(const collection_type& new_strings,
+ phrase_elements beg_pos=first)
+ {
+ if(beg_pos < number_of_phrase_elements) {
+ typename collection_type::iterator itr = phrase_strings.begin();
+ itr += beg_pos;
+ std::copy(new_strings.begin(), new_strings.end(),
+ itr);
+ //phrase_strings.begin());
+ }
+ }
+
+ //!Put a partial_date => "dd Month"
+ template<class facet_type>
+ OutItrT put_partial_date(OutItrT next, std::ios_base& a_ios,
+ CharT a_fill, const partial_date_type& pd,
+ const facet_type& facet) const
+ {
+ facet.put(next, a_ios, a_fill, pd.day());
+ next = a_fill; //TODO change this ???
+ facet.put(next, a_ios, a_fill, pd.month());
+ return next;
+ }
+
+ //! Put an nth_day_of_the_week_in_month => "nth weekday of month"
+ template<class facet_type>
+ OutItrT put_nth_kday(OutItrT next, std::ios_base& a_ios,
+ CharT a_fill, const nth_kday_type& nkd,
+ const facet_type& facet) const
+ {
+ put_string(next, phrase_strings[nkd.nth_week() -1]);
+ next = a_fill; //TODO change this ???
+ facet.put(next, a_ios, a_fill, nkd.day_of_week());
+ next = a_fill; //TODO change this ???
+ put_string(next, string_type(of_string));
+ next = a_fill; //TODO change this ???
+ facet.put(next, a_ios, a_fill, nkd.month());
+ return next;
+ }
+
+ //! Put a first_day_of_the_week_in_month => "first weekday of month"
+ template<class facet_type>
+ OutItrT put_first_kday(OutItrT next, std::ios_base& a_ios,
+ CharT a_fill, const first_kday_type& fkd,
+ const facet_type& facet) const
+ {
+ put_string(next, phrase_strings[first]);
+ next = a_fill; //TODO change this ???
+ facet.put(next, a_ios, a_fill, fkd.day_of_week());
+ next = a_fill; //TODO change this ???
+ put_string(next, string_type(of_string));
+ next = a_fill; //TODO change this ???
+ facet.put(next, a_ios, a_fill, fkd.month());
+ return next;
+ }
+
+ //! Put a last_day_of_the_week_in_month => "last weekday of month"
+ template<class facet_type>
+ OutItrT put_last_kday(OutItrT next, std::ios_base& a_ios,
+ CharT a_fill, const last_kday_type& lkd,
+ const facet_type& facet) const
+ {
+ put_string(next, phrase_strings[last]);
+ next = a_fill; //TODO change this ???
+ facet.put(next, a_ios, a_fill, lkd.day_of_week());
+ next = a_fill; //TODO change this ???
+ put_string(next, string_type(of_string));
+ next = a_fill; //TODO change this ???
+ facet.put(next, a_ios, a_fill, lkd.month());
+ return next;
+ }
+
+ //! Put a first_day_of_the_week_before => "weekday before"
+ template<class facet_type>
+ OutItrT put_kday_before(OutItrT next, std::ios_base& a_ios,
+ CharT a_fill, const kday_before_type& fkb,
+ const facet_type& facet) const
+ {
+ facet.put(next, a_ios, a_fill, fkb.day_of_week());
+ next = a_fill; //TODO change this ???
+ put_string(next, phrase_strings[before]);
+ return next;
+ }
+
+ //! Put a first_day_of_the_week_after => "weekday after"
+ template<class facet_type>
+ OutItrT put_kday_after(OutItrT next, std::ios_base& a_ios,
+ CharT a_fill, const kday_after_type& fka,
+ const facet_type& facet) const
+ {
+ facet.put(next, a_ios, a_fill, fka.day_of_week());
+ next = a_fill; //TODO change this ???
+ put_string(next, phrase_strings[after]);
+ return next;
+ }
+
+
+ private:
+ collection_type phrase_strings;
+
+ //! helper function to put the various member string into stream
+ OutItrT put_string(OutItrT next, const string_type& str) const
+ {
+ typename string_type::const_iterator itr = str.begin();
+ while(itr != str.end()) {
+ *next = *itr;
+ ++itr;
+ ++next;
+ }
+ return next;
+ }
+ };
+
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::first_string[6] =
+ {'f','i','r','s','t'};
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::second_string[7] =
+ {'s','e','c','o','n','d'};
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::third_string[6] =
+ {'t','h','i','r','d'};
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::fourth_string[7] =
+ {'f','o','u','r','t','h'};
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::fifth_string[6] =
+ {'f','i','f','t','h'};
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::last_string[5] =
+ {'l','a','s','t'};
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::before_string[8] =
+ {'b','e','f','o','r','e'};
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::after_string[6] =
+ {'a','f','t','e','r'};
+ template<class date_type, class CharT, class OutItrT>
+ const typename date_generator_formatter<date_type, CharT, OutItrT>::char_type
+ date_generator_formatter<date_type, CharT, OutItrT>::of_string[3] =
+ {'o','f'};
+} } // namespaces
+
+#endif // _DATE_TIME_DATE_GENERATOR_FORMATTER__HPP___
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