120 lines
3.4 KiB
C++
120 lines
3.4 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
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/*
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* Copyright (c) 2010, 2011 Ciaran McCreesh
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*
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* This file is part of the Paludis package manager. Paludis is free software;
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* you can redistribute it and/or modify it under the terms of the GNU General
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* Public License version 2, as published by the Free Software Foundation.
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*
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* Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <paludis/changed_choices.hh>
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#include <paludis/util/pimp-impl.hh>
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#include <paludis/util/tribool.hh>
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#include <paludis/choice.hh>
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#include <paludis/serialise-impl.hh>
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#include <paludis/elike_use_requirement-fwd.hh>
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#include <paludis/dep_spec.hh>
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#include <paludis/partially_made_package_dep_spec.hh>
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#include <map>
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using namespace paludis;
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namespace paludis
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{
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template <>
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struct Imp<ChangedChoices>
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{
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std::map<ChoiceNameWithPrefix, bool> overrides;
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};
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}
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ChangedChoices::ChangedChoices() :
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_imp()
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{
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}
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ChangedChoices::~ChangedChoices() = default;
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bool
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ChangedChoices::add_override_if_possible(const ChoiceNameWithPrefix & c, const bool v)
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{
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auto r(_imp->overrides.insert(std::make_pair(c, v)));
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return r.second || (r.first->second == v);
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}
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bool
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ChangedChoices::empty() const
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{
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return _imp->overrides.empty();
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}
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void
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ChangedChoices::add_additional_requirements_to(PartiallyMadePackageDepSpec & spec) const
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{
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for (const auto & override : _imp->overrides)
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{
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if (override.second)
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spec.additional_requirement(parse_elike_use_requirement("" + stringify(override.first) + "(-)",
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{ euro_allow_default_values }, nullptr));
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else
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spec.additional_requirement(parse_elike_use_requirement("-" + stringify(override.first) + "(-)",
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{ euro_allow_default_values }, nullptr));
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}
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}
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Tribool
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ChangedChoices::overridden_value(const ChoiceNameWithPrefix & c) const
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{
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auto i(_imp->overrides.find(c));
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if (i == _imp->overrides.end())
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return Tribool(indeterminate);
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else
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return Tribool(i->second);
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}
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void
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ChangedChoices::serialise(Serialiser & s) const
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{
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auto ss(s.object("ChangedChoices"));
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ss.member(SerialiserFlags<>(), "count", stringify(_imp->overrides.size()));
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int n(0);
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for (const auto & override : _imp->overrides)
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{
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++n;
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ss.member(SerialiserFlags<>(), stringify(n) + "a" , stringify(override.first));
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ss.member(SerialiserFlags<>(), stringify(n) + "b" , stringify(override.second));
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}
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}
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const std::shared_ptr<ChangedChoices>
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ChangedChoices::deserialise(Deserialisation & d)
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{
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Deserialisator v(d, "ChangedChoices");
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auto result(std::make_shared<ChangedChoices>());
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for (int n(1), n_end(v.member<int>("count") + 1) ; n != n_end ; ++n)
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result->add_override_if_possible(
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ChoiceNameWithPrefix(v.member<std::string>(stringify(n) + "a")),
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v.member<bool>(stringify(n) + "b")
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);
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return result;
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}
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namespace paludis
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{
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template class Pimp<ChangedChoices>;
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}
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