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/* vim: set sw=4 sts=4 et foldmethod=syntax : */
/*
* Copyright (c) 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 "cmd_print_commands.hh"
#include "command_factory.hh"
#include <paludis/util/stringify.hh>
#include <paludis/args/args.hh>
#include <paludis/args/do_help.hh>
#include <cstdlib>
#include <iostream>
#include <algorithm>
#include <set>
#include "command_command_line.hh"
using namespace paludis;
using namespace cave;
using std::cout;
using std::endl;
namespace
{
struct PrintCommandsCommandLine :
CaveCommandCommandLine
{
virtual std::string app_name() const
{
return "cave print-commands";
}
virtual std::string app_synopsis() const
{
return "Prints a list of known cave commands.";
}
virtual std::string app_description() const
{
return "Prints a list of known cave commands. No formatting is used, making the output suitable for "
"parsing by scripts.";
}
args::ArgsGroup g_general;
args::SwitchArg a_all;
PrintCommandsCommandLine() :
g_general(main_options_section(), "General Options", "General Options"),
a_all(&g_general, "all", 'a', "Print all available commands.", false)
{
add_usage_line("[-a|--all]");
}
};
}
int
PrintCommandsCommand::run(
const std::shared_ptr<Environment> &,
const std::shared_ptr<const Sequence<std::string > > & args
)
{
PrintCommandsCommandLine cmdline;
cmdline.run(args, "CAVE", "CAVE_PRINT_COMMANDS_OPTIONS", "CAVE_PRINT_COMMANDS_CMDLINE");
if (cmdline.a_help.specified())
{
cout << cmdline;
return EXIT_SUCCESS;
}
if (cmdline.begin_parameters() != cmdline.end_parameters())
throw args::DoHelp("print-commands takes no parameters");
for (CommandFactory::ConstIterator cmd(CommandFactory::get_instance()->begin()), cmd_end(CommandFactory::get_instance()->end()) ;
cmd != cmd_end ; ++cmd)
{
std::shared_ptr<Command> instance(CommandFactory::get_instance()->create(*cmd));
if (! cmdline.a_all.specified() && ! instance->importance() == ci_core)
continue;
cout << stringify(*cmd) << endl;
}
return EXIT_SUCCESS;
}
std::shared_ptr<args::ArgsHandler>
PrintCommandsCommand::make_doc_cmdline()
{
return std::make_shared<PrintCommandsCommandLine>();
}
CommandImportance
PrintCommandsCommand::importance() const
{
return ci_scripting;
}
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