| 1 | /* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
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| 2 | |
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| 3 | /* |
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| 4 | Copyright (C) 2007, 2011 Ferdinando Ametrano |
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| 5 | Copyright (C) 2007 François du Vignaud |
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| 6 | Copyright (C) 2004, 2005, 2007, 2009 StatPro Italia srl |
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| 7 | |
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| 8 | This file is part of QuantLib, a free-software/open-source library |
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| 9 | for financial quantitative analysts and developers - http://quantlib.org/ |
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| 10 | |
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| 11 | QuantLib is free software: you can redistribute it and/or modify it |
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| 12 | under the terms of the QuantLib license. You should have received a |
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| 13 | copy of the license along with this program; if not, please email |
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| 14 | <quantlib-dev@lists.sf.net>. The license is also available online at |
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| 15 | <http://quantlib.org/license.shtml>. |
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| 16 | |
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| 17 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 18 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 19 | FOR A PARTICULAR PURPOSE. See the license for more details. |
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| 20 | */ |
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| 21 | |
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| 22 | #include <ql/settings.hpp> |
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| 23 | |
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| 24 | namespace QuantLib { |
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| 25 | |
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| 26 | Settings::DateProxy::DateProxy() |
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| 27 | : ObservableValue<Date>(Date()) {} |
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| 28 | |
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| 29 | std::ostream& operator<<(std::ostream& out, |
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| 30 | const Settings::DateProxy& p) { |
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| 31 | return out << Date(p); |
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| 32 | } |
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| 33 | |
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| 34 | Settings::Settings() |
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| 35 | |
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| 36 | = default; |
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| 37 | |
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| 38 | void Settings::anchorEvaluationDate() { |
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| 39 | // set to today's date if not already set. |
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| 40 | if (evaluationDate_.value() == Date()) |
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| 41 | evaluationDate_ = Date::todaysDate(); |
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| 42 | // If set, no-op since the date is already anchored. |
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| 43 | } |
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| 44 | |
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| 45 | void Settings::resetEvaluationDate() { |
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| 46 | evaluationDate_ = Date(); |
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| 47 | } |
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| 48 | |
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| 49 | SavedSettings::SavedSettings() |
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| 50 | : evaluationDate_(Settings::instance().evaluationDate()), |
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| 51 | includeReferenceDateEvents_(Settings::instance().includeReferenceDateEvents()), |
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| 52 | includeTodaysCashFlows_(Settings::instance().includeTodaysCashFlows()), |
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| 53 | enforcesTodaysHistoricFixings_(Settings::instance().enforcesTodaysHistoricFixings()) {} |
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| 54 | |
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| 55 | SavedSettings::~SavedSettings() { |
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| 56 | try { |
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| 57 | if (Settings::instance().evaluationDate() != evaluationDate_) |
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| 58 | Settings::instance().evaluationDate() = evaluationDate_; |
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| 59 | Settings::instance().includeReferenceDateEvents() = |
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| 60 | includeReferenceDateEvents_; |
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| 61 | Settings::instance().includeTodaysCashFlows() = |
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| 62 | includeTodaysCashFlows_; |
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| 63 | Settings::instance().enforcesTodaysHistoricFixings() = |
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| 64 | enforcesTodaysHistoricFixings_; |
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| 65 | } catch (...) { |
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| 66 | // nothing we can do except bailing out. |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | } |
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| 71 | |
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