/**
 * @file dir.h
 * brief OS directory-listing object.
 */

/*
 Copyright (C) 2001-2006, William Joseph.
 All Rights Reserved.

 This file is part of GtkRadiant.

 GtkRadiant 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.

 GtkRadiant 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 GtkRadiant; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#if !defined(INCLUDED_OS_DIR_H)
#define INCLUDED_OS_DIR_H

#include <glib.h>

typedef GDir Directory;

inline bool directory_good (Directory* directory)
{
	return directory != 0;
}

inline Directory* directory_open (const std::string& name)
{
	return g_dir_open(name.c_str(), 0, 0);
}

inline void directory_close (Directory* directory)
{
	g_dir_close(directory);
}

inline const char* directory_read_and_increment (Directory* directory)
{
	return g_dir_read_name(directory);
}

template<typename Functor>
void Directory_forEach(const std::string& path, const Functor& functor) {
	Directory* dir = directory_open(path);

	if (directory_good(dir)) {
		for (;;) {
			const char* name = directory_read_and_increment(dir);
			if (name == 0) {
				break;
			}

			functor(name);
		}

		directory_close(dir);
	}
}

#endif
