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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 2008 Alexander Færøy
*
* 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 "cmd_print_packages.hh"
#include "command_command_line.hh"
#include <paludis/action.hh>
#include <paludis/args/args.hh>
#include <paludis/args/do_help.hh>
#include <paludis/environment.hh>
#include <paludis/package_database.hh>
#include <paludis/repository.hh>
#include <paludis/util/make_shared_ptr.hh>
#include <paludis/util/wrapped_forward_iterator.hh>
#include <paludis/util/set.hh>
#include <iostream>
#include <cstdlib>
#include <algorithm>
#include <set>
using namespace paludis;
using namespace cave;
using std::cout;
using std::endl;
namespace
{
struct PrintPackagesCommandLine :
CaveCommandCommandLine
{
virtual std::string app_name() const
{
return "cave print-packages";
}
virtual std::string app_synopsis() const
{
return "Prints a list of package names.";
}
virtual std::string app_description() const
{
return "Prints a list of package names. No formatting is used, making the output suitable for parsing by scripts.";
}
};
}
int
PrintPackagesCommand::run(
const std::tr1::shared_ptr<Environment> & env,
const std::tr1::shared_ptr<const Sequence<std::string > > & args
)
{
PrintPackagesCommandLine cmdline;
cmdline.run(args, "CAVE", "CAVE_PRINT_PACKAGES_OPTIONS", "CAVE_PRINT_PACKAGES_CMDLINE");
if (cmdline.begin_parameters() != cmdline.end_parameters())
throw args::DoHelp("print-packages takes no parameters");
std::set<QualifiedPackageName> all_packages;
for (PackageDatabase::RepositoryConstIterator r(env->package_database()->begin_repositories()), r_end(env->package_database()->end_repositories());
r != r_end; ++r)
{
std::tr1::shared_ptr<const CategoryNamePartSet> categories((*r)->category_names());
for (CategoryNamePartSet::ConstIterator c(categories->begin()), c_end(categories->end());
c != c_end; ++c)
{
std::tr1::shared_ptr<const QualifiedPackageNameSet> packages((*r)->package_names(*c));
std::copy(packages->begin(), packages->end(), std::inserter(all_packages, all_packages.begin()));
}
}
std::copy(all_packages.begin(), all_packages.end(), std::ostream_iterator<QualifiedPackageName>(cout, "\n"));
return EXIT_SUCCESS;
}
std::tr1::shared_ptr<args::ArgsHandler>
PrintPackagesCommand::make_doc_cmdline()
{
return make_shared_ptr(new PrintPackagesCommandLine);
}
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