/*      $NetBSD: prop_object.h,v 1.9 2025/04/23 02:58:52 thorpej Exp $  */

/*-
 * Copyright (c) 2006, 2025 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _PROPLIB_PROP_OBJECT_H_
#define _PROPLIB_PROP_OBJECT_H_

#include <sys/types.h>

#if !defined(_KERNEL) && !defined(_STANDALONE)
#include <stdbool.h>
#endif /* ! _KERNEL && ! _STANDALONE */

typedef void *prop_object_t;

typedef enum {
        PROP_TYPE_UNKNOWN       =       0x00000000,
#ifndef _PROPLIB_ZFS_CONFLICT
        PROP_TYPE_BOOL          =       0x626f6f6c,     /* 'bool' */
        PROP_TYPE_NUMBER        =       0x6e6d6272,     /* 'nmbr' */
        PROP_TYPE_STRING        =       0x73746e67,     /* 'stng' */
        PROP_TYPE_DATA          =       0x64617461,     /* 'data' */
        PROP_TYPE_ARRAY         =       0x61726179,     /* 'aray' */
        PROP_TYPE_DICTIONARY    =       0x64696374,     /* 'dict' */
        PROP_TYPE_DICT_KEYSYM   =       0x646b6579      /* 'dkey' */
#endif  /* !_PROPLIB_ZFS_CONFLICT */
} prop_type_t;

typedef enum {
        PROP_FORMAT_XML         =       0,
        PROP_FORMAT_JSON        =       1
} prop_format_t;

__BEGIN_DECLS
void            prop_object_retain(prop_object_t);
void            prop_object_release(prop_object_t);

prop_type_t     prop_object_type(prop_object_t);

bool            prop_object_equals(prop_object_t, prop_object_t);
bool            prop_object_equals_with_error(prop_object_t, prop_object_t,
                    bool *);

typedef struct _prop_object_iterator *prop_object_iterator_t;

prop_object_t   prop_object_iterator_next(prop_object_iterator_t);
void            prop_object_iterator_reset(prop_object_iterator_t);
void            prop_object_iterator_release(prop_object_iterator_t);

char *          prop_object_externalize(prop_object_t);
char *          prop_object_externalize_with_format(prop_object_t,
                    prop_format_t);
bool            prop_object_externalize_to_file(prop_object_t, const char *);
bool            prop_object_externalize_to_file_with_format(prop_object_t,
                    const char *, prop_format_t);

prop_object_t   prop_object_internalize(const char *);
prop_object_t   prop_object_internalize_from_file(const char *);

#if defined(__NetBSD__)
struct plistref;

#if !defined(_KERNEL) && !defined(_STANDALONE)
int             prop_object_send_ioctl(prop_object_t, int,
                    unsigned long);
int             prop_object_recv_ioctl(int, unsigned long,
                    prop_object_t *);
int             prop_object_sendrecv_ioctl(prop_object_t, int,
                    unsigned long, prop_object_t *);
int             prop_object_send_syscall(prop_object_t,
                    struct plistref *);
int             prop_object_recv_syscall(const struct plistref *,
                    prop_object_t *);
#elif defined(_KERNEL)
int             prop_object_copyin(const struct plistref *,
                    prop_object_t *);
int             prop_object_copyin_size(const struct plistref *,
                    prop_object_t *, size_t);
int             prop_object_copyout(struct plistref *, prop_object_t);
int             prop_object_copyin_ioctl(const struct plistref *,
                    const u_long, prop_object_t *);
int             prop_object_copyin_ioctl_size(const struct plistref *,
                    const u_long, prop_object_t *, size_t);
int             prop_object_copyout_ioctl(struct plistref *, const u_long,
                    prop_object_t);
#endif
#endif /* __NetBSD__ */
__END_DECLS

#endif /* _PROPLIB_PROP_OBJECT_H_ */