Virtio_Balloon implementation for DragonFly
[dragonfly.git] / sys / libprop / prop_ingest.h
1 /*      $NetBSD: prop_ingest.h,v 1.3 2008/04/28 20:22:51 martin Exp $   */
2
3 /*-
4  * Copyright (c) 2006 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31
32 #ifndef _PROPLIB_PROP_INGEST_H_
33 #define _PROPLIB_PROP_INGEST_H_
34
35 #include <libprop/prop_dictionary.h>
36
37 typedef enum {
38         PROP_INGEST_ERROR_NO_ERROR              = 0,
39         PROP_INGEST_ERROR_NO_KEY                = 1,
40         PROP_INGEST_ERROR_WRONG_TYPE            = 2,
41         PROP_INGEST_ERROR_HANDLER_FAILED        = 3
42 } prop_ingest_error_t;
43
44 typedef enum {
45         PROP_INGEST_FLAG_OPTIONAL               = 0x01
46 } prop_ingest_flag_t;
47
48 typedef struct _prop_ingest_context *prop_ingest_context_t;
49
50 typedef bool (*prop_ingest_handler_t)(prop_ingest_context_t, prop_object_t);
51
52 typedef struct {
53         const char *pite_key;
54         prop_type_t pite_type;
55         unsigned int pite_flags;
56         prop_ingest_handler_t pite_handler;
57 } prop_ingest_table_entry;
58
59 #define PROP_INGEST(key_, type_, handler_)                              \
60         { .pite_key = key_ ,                                            \
61           .pite_type = type_ ,                                          \
62           .pite_flags = 0 ,                                             \
63           .pite_handler = handler_ }
64
65 #define PROP_INGEST_OPTIONAL(key_, type_, handler_)                     \
66         { .pite_key = key_ ,                                            \
67           .pite_type = type_ ,                                          \
68           .pite_flags = PROP_INGEST_FLAG_OPTIONAL ,                     \
69           .pite_handler = handler_ }
70
71 #define PROP_INGEST_END                                                 \
72         { .pite_key = NULL }
73
74 __BEGIN_DECLS
75 prop_ingest_context_t
76                 prop_ingest_context_alloc(void *);
77 void            prop_ingest_context_free(prop_ingest_context_t);
78
79 prop_ingest_error_t
80                 prop_ingest_context_error(prop_ingest_context_t);
81 prop_type_t     prop_ingest_context_type(prop_ingest_context_t);
82 const char *    prop_ingest_context_key(prop_ingest_context_t);
83 void *          prop_ingest_context_private(prop_ingest_context_t);
84
85 bool            prop_dictionary_ingest(prop_dictionary_t,
86                                        const prop_ingest_table_entry[],
87                                        prop_ingest_context_t);
88 __END_DECLS
89
90 #endif /* _PROPLIB_PROP_INGEST_H_ */