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+#ifndef DATE_TIME_DATE_FORMATTING_LIMITED_HPP___
+#define DATE_TIME_DATE_FORMATTING_LIMITED_HPP___
+
+/* Copyright (c) 2002-2004 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: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+#include "boost/date_time/iso_format.hpp"
+#include "boost/date_time/compiler_config.hpp"
+#include <string>
+#include <sstream>
+#include <iomanip>
+
+
+namespace boost {
+namespace date_time {
+
+ //! Formats a month as as string into an ostream
+ template<class month_type, class format_type>
+ class month_formatter
+ {
+ public:
+ //! Formats a month as as string into an ostream
+ /*! This function demands that month_type provide
+ * functions for converting to short and long strings
+ * if that capability is used.
+ */
+ static std::ostream& format_month(const month_type& month,
+ std::ostream& os)
+ {
+ switch (format_type::month_format())
+ {
+ case month_as_short_string:
+ {
+ os << month.as_short_string();
+ break;
+ }
+ case month_as_long_string:
+ {
+ os << month.as_long_string();
+ break;
+ }
+ case month_as_integer:
+ {
+ os << std::setw(2) << std::setfill('0') << month.as_number();
+ break;
+ }
+
+ }
+ return os;
+ } // format_month
+ };
+
+
+ //! Convert ymd to a standard string formatting policies
+ template<class ymd_type, class format_type>
+ class ymd_formatter
+ {
+ public:
+ //! Convert ymd to a standard string formatting policies
+ /*! This is standard code for handling date formatting with
+ * year-month-day based date information. This function
+ * uses the format_type to control whether the string will
+ * contain separator characters, and if so what the character
+ * will be. In addtion, it can format the month as either
+ * an integer or a string as controled by the formatting
+ * policy
+ */
+ static std::string ymd_to_string(ymd_type ymd)
+ {
+ typedef typename ymd_type::month_type month_type;
+ std::ostringstream ss;
+ ss << ymd.year;
+ if (format_type::has_date_sep_chars()) {
+ ss << format_type::month_sep_char();
+ }
+ //this name is a bit ugly, oh well....
+ month_formatter<month_type,format_type>::format_month(ymd.month, ss);
+ if (format_type::has_date_sep_chars()) {
+ ss << format_type::day_sep_char();
+ }
+ ss << std::setw(2) << std::setfill('0')
+ << ymd.day;
+ return ss.str();
+ }
+ };
+
+
+ //! Convert a date to string using format policies
+ template<class date_type, class format_type>
+ class date_formatter
+ {
+ public:
+ //! Convert to a date to standard string using format policies
+ static std::string date_to_string(date_type d)
+ {
+ typedef typename date_type::ymd_type ymd_type;
+ if (d.is_not_a_date()) {
+ return format_type::not_a_date();
+ }
+ if (d.is_neg_infinity()) {
+ return format_type::neg_infinity();
+ }
+ if (d.is_pos_infinity()) {
+ return format_type::pos_infinity();
+ }
+ ymd_type ymd = d.year_month_day();
+ return ymd_formatter<ymd_type, format_type>::ymd_to_string(ymd);
+ }
+ };
+
+
+} } //namespace date_time
+
+
+#endif
+