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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2007, 2008, 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/legacy/override_functions.hh>
#include <paludis/util/simple_visitor_cast.hh>
#include <paludis/util/set.hh>
#include <paludis/util/stringify.hh>
#include <paludis/util/wrapped_forward_iterator.hh>
#include <paludis/util/sequence.hh>
#include <paludis/environment.hh>
#include <paludis/package_id.hh>
#include <paludis/metadata_key.hh>
#include <paludis/mask.hh>
#include <paludis/name.hh>
using namespace paludis;
bool
paludis::override_tilde_keywords(const Environment * const e, const std::shared_ptr<const PackageID> & id, const Mask & m)
{
Context c("When working out whether mask is a tilde keyword mask for override:");
const UnacceptedMask * const mm(simple_visitor_cast<const UnacceptedMask>(m));
if (! mm)
return false;
auto ki(id->find_metadata(mm->unaccepted_key_name()));
if (ki == id->end_metadata())
return false;
auto k(simple_visitor_cast<const MetadataCollectionKey<KeywordNameSet> >(**ki));
if (! k)
return false;
std::shared_ptr<KeywordNameSet> kk(std::make_shared<KeywordNameSet>());
for (KeywordNameSet::ConstIterator i(k->value()->begin()), i_end(k->value()->end()) ;
i != i_end ; ++i)
{
kk->insert(*i);
if ('~' == stringify(*i).at(0))
kk->insert(KeywordName(stringify(*i).substr(1)));
}
return e->accept_keywords(kk, id);
}
bool
paludis::override_unkeyworded(const Environment * const e, const std::shared_ptr<const PackageID> & id, const Mask & m)
{
Context c("When working out whether mask is an unkeyworded mask for override:");
const UnacceptedMask * const mm(simple_visitor_cast<const UnacceptedMask>(m));
if (! mm)
return false;
auto ki(id->find_metadata(mm->unaccepted_key_name()));
if (ki == id->end_metadata())
return false;
auto k(simple_visitor_cast<const MetadataCollectionKey<KeywordNameSet> >(**ki));
if (! k)
return false;
std::shared_ptr<KeywordNameSet> kk(std::make_shared<KeywordNameSet>());
for (KeywordNameSet::ConstIterator i(k->value()->begin()), i_end(k->value()->end()) ;
i != i_end ; ++i)
if ('-' == stringify(*i).at(0))
kk->insert(KeywordName(stringify(*i).substr(1)));
return ! e->accept_keywords(kk, id);
}
bool
paludis::override_repository_masks(const Mask & m)
{
Context c("When working out whether mask is a repository mask for override:");
return simple_visitor_cast<const RepositoryMask>(m);
}
bool
paludis::override_license(const std::shared_ptr<const PackageID> & id, const Mask & m)
{
Context c("When working out whether mask is a license mask for override:");
const UnacceptedMask * const mm(simple_visitor_cast<const UnacceptedMask>(m));
if (! mm)
return false;
auto m_i(id->find_metadata(mm->unaccepted_key_name()));
if (m_i == id->end_metadata())
return false;
return simple_visitor_cast<const MetadataSpecTreeKey<LicenseSpecTree> >(**m_i);
}
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