Exheredludis/paludis/resolver/job_requirements.cc
2011-09-04 18:43:55 +01:00

98 lines
3.0 KiB
C++

/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2010, 2011 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/resolver/job_requirements.hh>
#include <paludis/util/exception.hh>
#include <paludis/util/stringify.hh>
#include <paludis/util/wrapped_forward_iterator-impl.hh>
#include <paludis/util/sequence-impl.hh>
#include <paludis/util/make_named_values.hh>
#include <paludis/util/enum_iterator.hh>
#include <paludis/serialise-impl.hh>
#include <istream>
#include <ostream>
#include <set>
using namespace paludis;
using namespace paludis::resolver;
#include <paludis/resolver/job_requirements-se.cc>
const JobRequirement
JobRequirement::deserialise(Deserialisation & d)
{
Deserialisator v(d, "JobRequirement");
return make_named_values<JobRequirement>(
n::job_number() = v.member<JobNumber>("job_number"),
n::required_if() = v.member<JobRequirementIfs>("required_if")
);
}
void
JobRequirement::serialise(Serialiser & s) const
{
s.object("JobRequirement")
.member(SerialiserFlags<>(), "job_number", job_number())
.member(SerialiserFlags<>(), "required_if", required_if())
;
}
bool
JobRequirementComparator::operator() (const JobRequirement & a, const JobRequirement & b)
{
if (a.job_number() < b.job_number())
return true;
if (a.job_number() > b.job_number())
return false;
for (EnumIterator<JobRequirementIf> t, t_end(last_jri) ; t != t_end ; ++t)
{
if (a.required_if()[*t] < b.required_if()[*t])
return true;
if (a.required_if()[*t] > b.required_if()[*t])
return false;
}
return false;
}
const std::shared_ptr<JobRequirements>
paludis::resolver::minimise_requirements(const std::shared_ptr<const JobRequirements> & reqs)
{
const std::shared_ptr<JobRequirements> result(std::make_shared<JobRequirements>());
std::set<JobRequirement, JobRequirementComparator> duplicates;
for (auto r(reqs->begin()), r_end(reqs->end()) ;
r != r_end ; ++r)
{
if (! duplicates.insert(*r).second)
continue;
result->push_back(*r);
}
return result;
}
namespace paludis
{
template class Sequence<JobRequirement>;
template class WrappedForwardIterator<Sequence<JobRequirement>::ConstIteratorTag, const JobRequirement>;
}