2006-10-23 17:48:43 +02:00
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//
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// DateTimeFormatter.h
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//
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2008-01-28 18:23:19 +01:00
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// $Id: //poco/svn/Foundation/include/Poco/DateTimeFormatter.h#2 $
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2006-10-23 17:48:43 +02:00
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//
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// Library: Foundation
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// Package: DateTime
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// Module: DateTimeFormatter
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//
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// Definition of the DateTimeFormatter class.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef Foundation_DateTimeFormatter_INCLUDED
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#define Foundation_DateTimeFormatter_INCLUDED
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#include "Poco/Foundation.h"
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namespace Poco {
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class DateTime;
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class LocalDateTime;
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class Timestamp;
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class Timespan;
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class Foundation_API DateTimeFormatter
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/// This class converts dates and times into strings, supporting a
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/// variety of standard and custom formats.
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{
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public:
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enum
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{
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UTC = 0xFFFF /// Special value for timeZoneDifferential denoting UTC.
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};
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static std::string format(const Timestamp& timestamp, const std::string& fmt, int timeZoneDifferential = UTC);
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/// Formats the given timestamp according to the given format.
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/// The format string is used as a template to format the date and
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/// is copied character by character except for the following special characters,
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/// which are replaced by the corresponding value.
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///
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/// * %w - abbreviated weekday (Mon, Tue, ...)
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/// * %W - full weekday (Monday, Tuesday, ...)
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/// * %b - abbreviated month (Jan, Feb, ...)
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/// * %B - full month (January, February, ...)
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/// * %d - zero-padded day of month (01 .. 31)
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/// * %e - day of month (1 .. 31)
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/// * %f - space-padded day of month ( 1 .. 31)
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/// * %m - zero-padded month (01 .. 12)
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/// * %n - month (1 .. 12)
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/// * %o - space-padded month ( 1 .. 12)
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/// * %y - year without century (70)
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/// * %Y - year with century (1970)
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/// * %H - hour (00 .. 23)
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/// * %h - hour (00 .. 12)
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/// * %a - am/pm
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/// * %A - AM/PM
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/// * %M - minute (00 .. 59)
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/// * %S - second (00 .. 59)
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/// * %i - millisecond (000 .. 999)
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/// * %c - centisecond (0 .. 9)
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/// * %z - time zone differential in ISO 8601 format (Z or +NN.NN).
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/// * %Z - time zone differential in RFC format (GMT or +NNNN)
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/// * %% - percent sign
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///
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/// Class DateTimeFormat defines format strings for various standard date/time formats.
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static std::string format(const DateTime& dateTime, const std::string& fmt, int timeZoneDifferential = UTC);
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/// Formats the given date and time according to the given format.
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/// See format(const Timestamp&, const std::string&, int) for more information.
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static std::string format(const LocalDateTime& dateTime, const std::string& fmt);
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/// Formats the given local date and time according to the given format.
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/// See format(const Timestamp&, const std::string&, int) for more information.
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static std::string format(const Timespan& timespan, const std::string& fmt = "%dd %H:%M:%S.%i");
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/// Formats the given timespan according to the given format.
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/// The format string is used as a template to format the date and
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/// is copied character by character except for the following special characters,
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/// which are replaced by the corresponding value.
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///
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/// * %d - days
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/// * %H - hours (00 .. 23)
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/// * %h - total hours (0 .. n)
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/// * %M - minutes (00 .. 59)
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/// * %m - total minutes (0 .. n)
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/// * %S - seconds (00 .. 59)
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/// * %s - total seconds (0 .. n)
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/// * %i - milliseconds (000 .. 999)
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/// * %c - centisecond (0 .. 9)
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/// * %% - percent sign
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static std::string tzdISO(int timeZoneDifferential);
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/// Formats the given timezone differential in ISO format.
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/// If timeZoneDifferential is UTC, "Z" is returned,
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/// otherwise, +HH.MM (or -HH.MM) is returned.
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static std::string tzdRFC(int timeZoneDifferential);
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/// Formats the given timezone differential in RFC format.
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/// If timeZoneDifferential is UTC, "GMT" is returned,
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/// otherwise ++HHMM (or -HHMM) is returned.
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};
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} // namespace Poco
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#endif // Foundation_DateTimeFormatter_INCLUDED
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