/* lv2_list - List system installed LV2 plugins.
 * Copyright (C) 2007-2009 David Robillard <drobilla.net>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program 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.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include "slv2-config.h"
#include "slv2/slv2.h"


void
list_plugins(SLV2Plugins list, bool show_names)
{
	for (unsigned i=0; i < slv2_plugins_size(list); ++i) {
		SLV2Plugin p = slv2_plugins_get_at(list, i);
		if (show_names) {
			SLV2Value n = slv2_plugin_get_name(p);
			printf("%s\n", slv2_value_as_string(n));
			slv2_value_free(n);
		} else {
			printf("%s\n", slv2_value_as_uri(slv2_plugin_get_uri(p)));
		}
	}
}


void
print_version()
{
	printf("lv2_list (slv2) " SLV2_VERSION "\n");
	printf("Copyright (C) 2007-2009 David Robillard <http://drobilla.net>\n");
	printf("License: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>\n");
	printf("This is free software: you are free to change and redistribute it.\n");
	printf("There is NO WARRANTY, to the extent permitted by law.\n");
}


void
print_usage()
{
	printf("Usage: lv2_list [OPTIONS]\n");
	printf("List all installed LV2 plugins.\n");
	printf("\n");
	printf("  -n, --names    Show names instead of URIs\n");
	printf("  --help         Display this help and exit\n");
	printf("  --version      Output version information and exit\n");
	printf("\n");
	printf("The environment variable LV2_PATH can be used to control where\n");
	printf("this (and all other slv2 based LV2 hosts) will search for plugins.\n");
}


int
main(int argc, char** argv)
{
	bool show_names = false;
	for (int i = 1; i < argc; ++i) {
		if (!strcmp(argv[i], "--names") || !strcmp(argv[i], "-n")) {
			show_names = true;
		} else if (!strcmp(argv[i], "--version")) {
			print_version();
			return 0;
		} else if (!strcmp(argv[i], "--help")) {
			print_usage();
			return 0;
		} else {
			print_usage();
			return 1;
		}
	}

	SLV2World world = slv2_world_new();
	slv2_world_load_all(world);

	SLV2Plugins plugins = slv2_world_get_all_plugins(world);

	list_plugins(plugins, show_names);

	slv2_plugins_free(world, plugins);
	slv2_world_free(world);

	return 0;
}