/* archelp.h -- Archive helper functions */
/*
 *  GRUB  --  GRand Unified Bootloader
 *  Copyright (C) 2013  Free Software Foundation, Inc.
 *
 *  GRUB 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 3 of the License, or
 *  (at your option) any later version.
 *
 *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRUB_ARCHELP_HEADER
#define GRUB_ARCHELP_HEADER	1

#include <grub/fs.h>
#include <grub/file.h>

typedef enum
{
	GRUB_ARCHELP_ATTR_TYPE = 0160000,
	GRUB_ARCHELP_ATTR_FILE = 0100000,
	GRUB_ARCHELP_ATTR_DIR = 0040000,
	GRUB_ARCHELP_ATTR_LNK = 0120000,
	GRUB_ARCHELP_ATTR_NOTIME = 0x80000000,
	GRUB_ARCHELP_ATTR_END = 0xffffffff
} grub_archelp_mode_t;

struct grub_archelp_data;

struct grub_archelp_ops
{
	grub_err_t
	(*find_file) (struct grub_archelp_data* data, char** name,
		grub_int32_t* mtime,
		grub_archelp_mode_t* mode);

	char*
		(*get_link_target) (struct grub_archelp_data* data);

	void
	(*rewind) (struct grub_archelp_data* data);
};

grub_err_t
grub_archelp_dir(struct grub_archelp_data* data,
	struct grub_archelp_ops* ops,
	const char* path_in,
	grub_fs_dir_hook_t hook, void* hook_data);

grub_err_t
grub_archelp_open(struct grub_archelp_data* data,
	struct grub_archelp_ops* ops,
	const char* name_in);

#endif
