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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\date_time\period_formatter.hpp
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#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 period_formatter { public: typedef std::basic_string
string_type; typedef CharT char_type; typedef typename std::basic_string
::const_iterator const_itr_type; typedef std::vector
> 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
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
const typename period_formatter
::char_type period_formatter
::default_period_separator[2] = {'/'}; template
const typename period_formatter
::char_type period_formatter
::default_period_start_delimeter[2] = {'['}; template
const typename period_formatter
::char_type period_formatter
::default_period_open_range_end_delimeter[2] = {')'}; template
const typename period_formatter
::char_type period_formatter
::default_period_closed_range_end_delimeter[2] = {']'}; } } //namespace boost::date_time #endif
period_formatter.hpp
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