--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/date_time/period_formatter.hpp Mon May 10 19:54:49 2010 +0100
@@ -0,0 +1,196 @@
+
+#ifndef DATETIME_PERIOD_FORMATTER_HPP___
+#define DATETIME_PERIOD_FORMATTER_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) $
+ */
+
+
+
+namespace boost { namespace date_time {
+
+
+ //! Not a facet, but a class used to specify and control period formats
+ /*! Provides settings for the following:
+ * - period_separator -- default '/'
+ * - period_open_start_delimeter -- default '['
+ * - period_open_range_end_delimeter -- default ')'
+ * - period_closed_range_end_delimeter -- default ']'
+ * - display_as_open_range, display_as_closed_range -- default closed_range
+ *
+ * Thus the default formatting for a period is as follows:
+ *@code
+ * [period.start()/period.last()]
+ *@endcode
+ * So for a typical date_period this would be
+ *@code
+ * [2004-Jan-04/2004-Feb-01]
+ *@endcode
+ * where the date formatting is controlled by the date facet
+ */
+ template <class CharT, class OutItrT = std::ostreambuf_iterator<CharT, std::char_traits<CharT> > >
+ class period_formatter {
+ public:
+ typedef std::basic_string<CharT> string_type;
+ typedef CharT char_type;
+ typedef typename std::basic_string<char_type>::const_iterator const_itr_type;
+ typedef std::vector<std::basic_string<CharT> > collection_type;
+
+ static const char_type default_period_separator[2];
+ static const char_type default_period_start_delimeter[2];
+ static const char_type default_period_open_range_end_delimeter[2];
+ static const char_type default_period_closed_range_end_delimeter[2];
+
+ enum range_display_options { AS_OPEN_RANGE, AS_CLOSED_RANGE };
+
+ //! Constructor that sets up period formatter options -- default should suffice most cases.
+ period_formatter(range_display_options range_option_in = AS_CLOSED_RANGE,
+ const char_type* const period_separator = default_period_separator,
+ const char_type* const period_start_delimeter = default_period_start_delimeter,
+ const char_type* const period_open_range_end_delimeter = default_period_open_range_end_delimeter,
+ const char_type* const period_closed_range_end_delimeter = default_period_closed_range_end_delimeter) :
+ m_range_option(range_option_in),
+ m_period_separator(period_separator),
+ m_period_start_delimeter(period_start_delimeter),
+ m_open_range_end_delimeter(period_open_range_end_delimeter),
+ m_closed_range_end_delimeter(period_closed_range_end_delimeter)
+ {}
+
+ //! Puts the characters between period elements into stream -- default is /
+ OutItrT put_period_separator(OutItrT& oitr) const
+ {
+ const_itr_type ci = m_period_separator.begin();
+ while (ci != m_period_separator.end()) {
+ *oitr = *ci;
+ ci++;
+ }
+ return oitr;
+ }
+
+ //! Puts the period start characters into stream -- default is [
+ OutItrT put_period_start_delimeter(OutItrT& oitr) const
+ {
+ const_itr_type ci = m_period_start_delimeter.begin();
+ while (ci != m_period_start_delimeter.end()) {
+ *oitr = *ci;
+ ci++;
+ }
+ return oitr;
+ }
+
+ //! Puts the period end characters into stream as controled by open/closed range setting.
+ OutItrT put_period_end_delimeter(OutItrT& oitr) const
+ {
+
+ const_itr_type ci, end;
+ if (m_range_option == AS_OPEN_RANGE) {
+ ci = m_open_range_end_delimeter.begin();
+ end = m_open_range_end_delimeter.end();
+ }
+ else {
+ ci = m_closed_range_end_delimeter.begin();
+ end = m_closed_range_end_delimeter.end();
+ }
+ while (ci != end) {
+ *oitr = *ci;
+ ci++;
+ }
+ return oitr;
+ }
+
+ range_display_options range_option() const
+ {
+ return m_range_option;
+ }
+
+ //! Reset the range_option control
+ void
+ range_option(range_display_options option) const
+ {
+ m_range_option = option;
+ }
+ void delimiter_strings(const string_type& separator,
+ const string_type& start_delim,
+ const string_type& open_end_delim,
+ const string_type& closed_end_delim)
+ {
+ m_period_separator;
+ m_period_start_delimeter;
+ m_open_range_end_delimeter;
+ m_closed_range_end_delimeter;
+ }
+
+
+ //! Generic code to output a period -- no matter the period type.
+ /*! This generic code will output any period using a facet to
+ * to output the 'elements'. For example, in the case of a date_period
+ * the elements will be instances of a date which will be formatted
+ * according the to setup in the passed facet parameter.
+ *
+ * The steps for formatting a period are always the same:
+ * - put the start delimiter
+ * - put start element
+ * - put the separator
+ * - put either last or end element depending on range settings
+ * - put end delimeter depending on range settings
+ *
+ * Thus for a typical date period the result might look like this:
+ *@code
+ *
+ * [March 01, 2004/June 07, 2004] <-- closed range
+ * [March 01, 2004/June 08, 2004) <-- open range
+ *
+ *@endcode
+ */
+ template<class period_type, class facet_type>
+ OutItrT put_period(OutItrT next,
+ std::ios_base& a_ios,
+ char_type a_fill,
+ const period_type& p,
+ const facet_type& facet) const {
+ put_period_start_delimeter(next);
+ next = facet.put(next, a_ios, a_fill, p.begin());
+ put_period_separator(next);
+ if (m_range_option == AS_CLOSED_RANGE) {
+ facet.put(next, a_ios, a_fill, p.last());
+ }
+ else {
+ facet.put(next, a_ios, a_fill, p.end());
+ }
+ put_period_end_delimeter(next);
+ return next;
+ }
+
+
+ private:
+ range_display_options m_range_option;
+ string_type m_period_separator;
+ string_type m_period_start_delimeter;
+ string_type m_open_range_end_delimeter;
+ string_type m_closed_range_end_delimeter;
+ };
+
+ template <class CharT, class OutItrT>
+ const typename period_formatter<CharT, OutItrT>::char_type
+ period_formatter<CharT, OutItrT>::default_period_separator[2] = {'/'};
+
+ template <class CharT, class OutItrT>
+ const typename period_formatter<CharT, OutItrT>::char_type
+ period_formatter<CharT, OutItrT>::default_period_start_delimeter[2] = {'['};
+
+ template <class CharT, class OutItrT>
+ const typename period_formatter<CharT, OutItrT>::char_type
+ period_formatter<CharT, OutItrT>::default_period_open_range_end_delimeter[2] = {')'};
+
+ template <class CharT, class OutItrT>
+ const typename period_formatter<CharT, OutItrT>::char_type
+ period_formatter<CharT, OutItrT>::default_period_closed_range_end_delimeter[2] = {']'};
+
+ } } //namespace boost::date_time
+
+#endif