xref: /openbmc/qemu/include/qapi/qmp/qdict.h (revision b917da4c)
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 
20 #define QDICT_BUCKET_MAX 512
21 
22 typedef struct QDictEntry {
23     char *key;
24     QObject *value;
25     QLIST_ENTRY(QDictEntry) next;
26 } QDictEntry;
27 
28 typedef struct QDict {
29     QObject base;
30     size_t size;
31     QLIST_HEAD(,QDictEntry) table[QDICT_BUCKET_MAX];
32 } QDict;
33 
34 /* Object API */
35 QDict *qdict_new(void);
36 const char *qdict_entry_key(const QDictEntry *entry);
37 QObject *qdict_entry_value(const QDictEntry *entry);
38 size_t qdict_size(const QDict *qdict);
39 void qdict_put_obj(QDict *qdict, const char *key, QObject *value);
40 void qdict_del(QDict *qdict, const char *key);
41 int qdict_haskey(const QDict *qdict, const char *key);
42 QObject *qdict_get(const QDict *qdict, const char *key);
43 QDict *qobject_to_qdict(const QObject *obj);
44 void qdict_iter(const QDict *qdict,
45                 void (*iter)(const char *key, QObject *obj, void *opaque),
46                 void *opaque);
47 const QDictEntry *qdict_first(const QDict *qdict);
48 const QDictEntry *qdict_next(const QDict *qdict, const QDictEntry *entry);
49 void qdict_destroy_obj(QObject *obj);
50 
51 /* Helper to qdict_put_obj(), accepts any object */
52 #define qdict_put(qdict, key, obj) \
53         qdict_put_obj(qdict, key, QOBJECT(obj))
54 
55 /* High level helpers */
56 double qdict_get_double(const QDict *qdict, const char *key);
57 int64_t qdict_get_int(const QDict *qdict, const char *key);
58 bool qdict_get_bool(const QDict *qdict, const char *key);
59 QList *qdict_get_qlist(const QDict *qdict, const char *key);
60 QDict *qdict_get_qdict(const QDict *qdict, const char *key);
61 const char *qdict_get_str(const QDict *qdict, const char *key);
62 int64_t qdict_get_try_int(const QDict *qdict, const char *key,
63                           int64_t def_value);
64 bool qdict_get_try_bool(const QDict *qdict, const char *key, bool def_value);
65 const char *qdict_get_try_str(const QDict *qdict, const char *key);
66 
67 void qdict_copy_default(QDict *dst, QDict *src, const char *key);
68 void qdict_set_default_str(QDict *dst, const char *key, const char *val);
69 
70 QDict *qdict_clone_shallow(const QDict *src);
71 void qdict_flatten(QDict *qdict);
72 
73 void qdict_extract_subqdict(QDict *src, QDict **dst, const char *start);
74 void qdict_array_split(QDict *src, QList **dst);
75 int qdict_array_entries(QDict *src, const char *subqdict);
76 
77 void qdict_join(QDict *dest, QDict *src, bool overwrite);
78 
79 #endif /* QDICT_H */
80