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163 lines
3.6 KiB
C++
163 lines
3.6 KiB
C++
//
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// Date.cpp
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//
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// $Id: //poco/Main/Data/src/Date.cpp#5 $
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//
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// Library: Data
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// Package: DataCore
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// Module: Date
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//
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// Copyright (c) 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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#include "Poco/Data/Date.h"
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#include "Poco/DateTime.h"
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#include "Poco/NumberFormatter.h"
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#include "Poco/Data/DynamicDateTime.h"
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#include "Poco/Dynamic/Var.h"
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using Poco::DateTime;
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using Poco::Dynamic::Var;
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using Poco::NumberFormatter;
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namespace Poco {
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namespace Data {
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Date::Date()
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{
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DateTime dt;
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assign(dt.year(), dt.month(), dt.day());
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}
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Date::Date(int year, int month, int day)
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{
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assign(year, month, day);
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}
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Date::Date(const DateTime& dt)
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{
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assign(dt.year(), dt.month(), dt.day());
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}
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Date::~Date()
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{
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}
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void Date::assign(int year, int month, int day)
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{
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if (year < 0 || year > 9999)
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throw InvalidArgumentException("Year must be between 0 and 9999");
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if (month < 1 || month > 12)
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throw InvalidArgumentException("Month must be between 1 and 12");
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if (day < 1 || day > DateTime::daysOfMonth(year, month))
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throw InvalidArgumentException("Month must be between 1 and " +
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NumberFormatter::format(DateTime::daysOfMonth(year, month)));
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_year = year;
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_month = month;
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_day = day;
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}
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bool Date::operator < (const Date& date)
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{
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int year = date.year();
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if (_year < year) return true;
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else if (_year > year) return false;
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else // years equal
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{
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int month = date.month();
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if (_month < month) return true;
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else
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if (_month > month) return false;
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else // months equal
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if (_day < date.day()) return true;
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}
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return false;
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}
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Date& Date::operator = (const Var& var)
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{
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#ifndef __GNUC__
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// g++ used to choke on this, newer versions seem to digest it fine
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// TODO: determine the version able to handle it properly
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*this = var.extract<Date>();
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#else
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*this = var.operator Date();
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#endif
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return *this;
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}
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} } // namespace Poco::Data
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#ifdef __GNUC__
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// only needed for g++ (see comment in Date::operator = above)
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namespace Poco {
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namespace Dynamic {
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using Poco::Data::Date;
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using Poco::DateTime;
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template <>
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Var::operator Date () const
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{
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if (!_pHolder)
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throw InvalidAccessException("Can not convert empty value.");
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if (typeid(Date) == _pHolder->type())
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return extract<Date>();
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else
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{
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Poco::DateTime result;
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_pHolder->convert(result);
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return Date(result);
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}
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}
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} } // namespace Poco::Dynamic
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#endif // __GNUC__
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