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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2010 Ciaran McCreesh
*
* This file is part of the Paludis package manager. Paludis is free software;
* you can redistribute it and/or modify it under the terms of the GNU General
* Public License version 2, as published by the Free Software Foundation.
*
* Paludis 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 GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <paludis/changed_choices.hh>
#include <paludis/util/pimp-impl.hh>
#include <paludis/util/tribool.hh>
#include <paludis/choice.hh>
#include <paludis/serialise-impl.hh>
#include <paludis/elike_use_requirement-fwd.hh>
#include <paludis/dep_spec.hh>
#include <paludis/partially_made_package_dep_spec.hh>
#include <map>
using namespace paludis;
namespace paludis
{
template <>
struct Imp<ChangedChoices>
{
std::map<ChoiceNameWithPrefix, bool> overrides;
};
}
ChangedChoices::ChangedChoices() :
Pimp<ChangedChoices>()
{
}
ChangedChoices::~ChangedChoices() = default;
bool
ChangedChoices::add_override_if_possible(const ChoiceNameWithPrefix & c, const bool v)
{
auto r(_imp->overrides.insert(std::make_pair(c, v)));
return r.second || (r.first->second == v);
}
bool
ChangedChoices::empty() const
{
return _imp->overrides.empty();
}
void
ChangedChoices::add_additional_requirements_to(PartiallyMadePackageDepSpec & spec) const
{
for (auto o(_imp->overrides.begin()), o_end(_imp->overrides.end()) ;
o != o_end ; ++o)
{
if (o->second)
spec.additional_requirement(parse_elike_use_requirement("" + stringify(o->first) + "(-)",
make_null_shared_ptr(), { euro_allow_default_values }));
else
spec.additional_requirement(parse_elike_use_requirement("-" + stringify(o->first) + "(-)",
make_null_shared_ptr(), { euro_allow_default_values }));
}
}
Tribool
ChangedChoices::overridden_value(const ChoiceNameWithPrefix & c) const
{
auto i(_imp->overrides.find(c));
if (i == _imp->overrides.end())
return Tribool(indeterminate);
else
return Tribool(i->second);
}
void
ChangedChoices::serialise(Serialiser & s) const
{
auto ss(s.object("ChangedChoices"));
ss.member(SerialiserFlags<>(), "count", stringify(_imp->overrides.size()));
int n(0);
for (auto o(_imp->overrides.begin()), o_end(_imp->overrides.end()) ;
o != o_end ; ++o)
{
++n;
ss.member(SerialiserFlags<>(), stringify(n) + "a" , stringify(o->first));
ss.member(SerialiserFlags<>(), stringify(n) + "b" , stringify(o->second));
}
}
const std::shared_ptr<ChangedChoices>
ChangedChoices::deserialise(Deserialisation & d)
{
Deserialisator v(d, "ChangedChoices");
auto result(std::make_shared<ChangedChoices>());
for (int n(1), n_end(v.member<int>("count") + 1) ; n != n_end ; ++n)
result->add_override_if_possible(
ChoiceNameWithPrefix(v.member<std::string>(stringify(n) + "a")),
v.member<bool>(stringify(n) + "b")
);
return result;
}
template class Pimp<ChangedChoices>;
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