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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
Copyright (C) 2007 Ferdinando Ametrano
Copyright (C) 2007 François du Vignaud
Copyright (C) 2004, 2005, 2007 StatPro Italia srl
This file is part of QuantLib, a free-software/open-source library
for financial quantitative analysts and developers - http://quantlib.org/
QuantLib is free software: you can redistribute it and/or modify it
under the terms of the QuantLib license. You should have received a
copy of the license along with this program; if not, please email
<quantlib-dev@lists.sf.net>. The license is also available online at
<http://quantlib.org/license.shtml>.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the license for more details.
*/
#include <ql/settings.hpp>
namespace QuantLib {
Settings::DateProxy::DateProxy() : ObservableValue<Date>(Date()) {}
Settings::DateProxy::operator Date() const {
if (value() == Date())
return Date::todaysDate();
else
return value();
}
Settings::DateProxy& Settings::DateProxy::operator=(const Date& d) {
ObservableValue<Date>::operator=(d);
return *this;
}
std::ostream& operator<<(std::ostream& out,
const Settings::DateProxy& p) {
return out << Date(p);
}
Settings::Settings()
: enforcesTodaysHistoricFixings_(false) {}
Settings::DateProxy& Settings::evaluationDate() {
return evaluationDate_;
}
const Settings::DateProxy& Settings::evaluationDate() const {
return evaluationDate_;
}
bool& Settings::enforcesTodaysHistoricFixings() {
return enforcesTodaysHistoricFixings_;
}
bool Settings::enforcesTodaysHistoricFixings() const {
return enforcesTodaysHistoricFixings_;
}
SavedSettings::SavedSettings()
: evaluationDate_(Settings::instance().evaluationDate()),
enforcesTodaysHistoricFixings_(
Settings::instance().enforcesTodaysHistoricFixings()) {}
SavedSettings::~SavedSettings() {
try {
Settings::instance().evaluationDate() == evaluationDate_;
Settings::instance().enforcesTodaysHistoricFixings() =
enforcesTodaysHistoricFixings_;
} catch (...) {
// nothing we can do except bailing out.
}
}
}
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