125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
/* vim: set sw=4 sts=4 et foldmethod=syntax : */
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/*
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* Copyright (c) 2010, 2011, 2014 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/resolver/prefer_or_avoid_helper.hh>
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#include <paludis/util/pimp-impl.hh>
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#include <paludis/util/hashes.hh>
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#include <paludis/util/tribool.hh>
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#include <paludis/util/options.hh>
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#include <paludis/name.hh>
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#include <paludis/dep_spec.hh>
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#include <paludis/match_package.hh>
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#include <unordered_set>
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#include <list>
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using namespace paludis;
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using namespace paludis::resolver;
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namespace paludis
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{
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template <>
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struct Imp<PreferOrAvoidHelper>
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{
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const Environment * const env;
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std::unordered_set<QualifiedPackageName, Hash<QualifiedPackageName> > prefer_names;
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std::unordered_set<QualifiedPackageName, Hash<QualifiedPackageName> > avoid_names;
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std::list<std::shared_ptr<const PackageIDSequence> > prefer_matching;
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std::list<std::shared_ptr<const PackageIDSequence> > avoid_matching;
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Imp(const Environment * const e) :
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env(e)
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{
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}
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};
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}
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PreferOrAvoidHelper::PreferOrAvoidHelper(const Environment * const e) :
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_imp(e)
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{
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}
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PreferOrAvoidHelper::~PreferOrAvoidHelper() = default;
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void
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PreferOrAvoidHelper::add_prefer_name(const QualifiedPackageName & name)
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{
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_imp->prefer_names.insert(name);
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}
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void
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PreferOrAvoidHelper::add_avoid_name(const QualifiedPackageName & name)
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{
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_imp->avoid_names.insert(name);
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}
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void
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PreferOrAvoidHelper::add_prefer_matching(const std::shared_ptr<const PackageIDSequence> & s)
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{
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_imp->prefer_matching.push_back(s);
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}
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void
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PreferOrAvoidHelper::add_avoid_matching(const std::shared_ptr<const PackageIDSequence> & s)
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{
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_imp->avoid_matching.push_back(s);
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}
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Tribool
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PreferOrAvoidHelper::operator() (const PackageDepSpec & s, const std::shared_ptr<const PackageID> & id) const
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{
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if (s.package_ptr())
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{
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if (_imp->prefer_names.end() != _imp->prefer_names.find(*s.package_ptr()))
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return true;
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if (_imp->avoid_names.end() != _imp->avoid_names.find(*s.package_ptr()))
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return false;
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}
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for (auto p(_imp->prefer_matching.begin()), p_end(_imp->prefer_matching.end()) ;
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p != p_end ; ++p)
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{
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bool all(true);
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for (auto q((*p)->begin()), q_end((*p)->end()) ; q != q_end ; ++q)
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if (! match_package(*_imp->env, s, *q, id, { }))
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{
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all = false;
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break;
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}
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if (all)
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return true;
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}
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for (auto p(_imp->avoid_matching.begin()), p_end(_imp->avoid_matching.end()) ;
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p != p_end ; ++p)
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{
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for (auto q((*p)->begin()), q_end((*p)->end()) ; q != q_end ; ++q)
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if (match_package(*_imp->env, s, *q, id, { }))
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return false;
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}
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return indeterminate;
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}
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namespace paludis
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{
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template class Pimp<PreferOrAvoidHelper>;
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}
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