xref: /qemu/include/qapi/qmp/qdict.h (revision 7a4e543d)
1 /*
2  * QDict Module
3  *
4  * Copyright (C) 2009 Red Hat Inc.
5  *
6  * Authors:
7  *  Luiz Capitulino <lcapitulino@redhat.com>
8  *
9  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
10  * See the COPYING.LIB file in the top-level directory.
11  */
12 
13 #ifndef QDICT_H
14 #define QDICT_H
15 
16 #include "qapi/qmp/qobject.h"
17 #include "qapi/qmp/qlist.h"
18 #include "qemu/queue.h"
19 #include <stdbool.h>
20 #include <stdint.h>
21 
22 #define QDICT_BUCKET_MAX 512
23 
24 typedef struct QDictEntry {
25     char *key;
26     QObject *value;
27     QLIST_ENTRY(QDictEntry) next;
28 } QDictEntry;
29 
30 typedef struct QDict {
31     QObject base;
32     size_t size;
33     QLIST_HEAD(,QDictEntry) table[QDICT_BUCKET_MAX];
34 } QDict;
35 
36 /* Object API */
37 QDict *qdict_new(void);
38 const char *qdict_entry_key(const QDictEntry *entry);
39 QObject *qdict_entry_value(const QDictEntry *entry);
40 size_t qdict_size(const QDict *qdict);
41 void qdict_put_obj(QDict *qdict, const char *key, QObject *value);
42 void qdict_del(QDict *qdict, const char *key);
43 int qdict_haskey(const QDict *qdict, const char *key);
44 QObject *qdict_get(const QDict *qdict, const char *key);
45 QDict *qobject_to_qdict(const QObject *obj);
46 void qdict_iter(const QDict *qdict,
47                 void (*iter)(const char *key, QObject *obj, void *opaque),
48                 void *opaque);
49 const QDictEntry *qdict_first(const QDict *qdict);
50 const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry);
51 void qdict_destroy_obj(QObject *obj);
52 
53 /* Helper to qdict_put_obj(), accepts any object */
54 #define qdict_put(qdict, key, obj) \
55         qdict_put_obj(qdict, key, QOBJECT(obj))
56 
57 /* High level helpers */
58 double qdict_get_double(const QDict *qdict, const char *key);
59 int64_t qdict_get_int(const QDict *qdict, const char *key);
60 bool qdict_get_bool(const QDict *qdict, const char *key);
61 QList *qdict_get_qlist(const QDict *qdict, const char *key);
62 QDict *qdict_get_qdict(const QDict *qdict, const char *key);
63 const char *qdict_get_str(const QDict *qdict, const char *key);
64 int64_t qdict_get_try_int(const QDict *qdict, const char *key,
65                           int64_t def_value);
66 bool qdict_get_try_bool(const QDict *qdict, const char *key, bool def_value);
67 const char *qdict_get_try_str(const QDict *qdict, const char *key);
68 
69 void qdict_copy_default(QDict *dst, QDict *src, const char *key);
70 void qdict_set_default_str(QDict *dst, const char *key, const char *val);
71 
72 QDict *qdict_clone_shallow(const QDict *src);
73 void qdict_flatten(QDict *qdict);
74 
75 void qdict_extract_subqdict(QDict *src, QDict **dst, const char *start);
76 void qdict_array_split(QDict *src, QList **dst);
77 int qdict_array_entries(QDict *src, const char *subqdict);
78 
79 void qdict_join(QDict *dest, QDict *src, bool overwrite);
80 
81 #endif /* QDICT_H */
82