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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2008 Alexander Færøy
* 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 "owner_common.hh"
#include <paludis/action.hh>
#include <paludis/contents.hh>
#include <paludis/environment.hh>
#include <paludis/filter.hh>
#include <paludis/filtered_generator.hh>
#include <paludis/generator.hh>
#include <paludis/metadata_key.hh>
#include <paludis/name.hh>
#include <paludis/package_id.hh>
#include <paludis/repository.hh>
#include <paludis/selection.hh>
#include <paludis/util/indirect_iterator-impl.hh>
#include <paludis/util/wrapped_forward_iterator.hh>
#include <paludis/util/fs_stat.hh>
#include <paludis/util/stringify.hh>
#include <algorithm>
#include <functional>
using namespace paludis;
namespace
{
bool handle_full(const std::string & q, const std::shared_ptr<const ContentsEntry> & e)
{
return q == stringify(e->location_key()->parse_value());
}
bool handle_basename(const std::string & q, const std::shared_ptr<const ContentsEntry> & e)
{
return q == e->location_key()->parse_value().basename();
}
bool handle_partial(const std::string & q, const std::shared_ptr<const ContentsEntry> & e)
{
return std::string::npos != stringify(e->location_key()->parse_value()).find(q);
}
}
int
paludis::cave::owner_common(
const std::shared_ptr<Environment> & env,
const std::string & match,
const std::string & q,
const bool dereference,
const std::function<void (const std::shared_ptr<const PackageID> &)> & callback)
{
bool found(false);
std::function<bool (const std::string &, const std::shared_ptr<const ContentsEntry> &)> handler;
std::string query(q);
if (dereference)
{
FSPath query_path(query);
FSStat query_path_stat(query_path);
if (query_path_stat.exists())
{
if (query_path_stat.is_symlink())
query = stringify(query_path.realpath_if_exists());
}
}
if (query.length() >= 2 && '/' == query.at(query.length() - 1))
query.erase(query.length() - 1);
if ("full" == match)
handler = handle_full;
else if ("basename" == match)
handler = handle_basename;
else if ("partial" == match)
handler = handle_partial;
else
{
if (! query.empty() && '/' == query.at(0))
handler = handle_full;
else if (std::string::npos != query.find("/"))
handler = handle_partial;
else
handler = handle_basename;
}
std::shared_ptr<const PackageIDSequence> ids((*env)[selection::AllVersionsSorted(generator::All() |
filter::InstalledAtRoot(env->preferred_root_key()->parse_value()))]);
for (PackageIDSequence::ConstIterator p(ids->begin()), p_end(ids->end()); p != p_end; ++p)
{
if (! (*p)->contents_key())
continue;
std::shared_ptr<const Contents> contents((*p)->contents_key()->parse_value());
if (contents->end() != std::find_if(contents->begin(), contents->end(), std::bind(handler, query,
std::placeholders::_1)))
{
callback(*p);
found = true;
}
}
return found ? EXIT_SUCCESS : EXIT_FAILURE;
}
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