xref: /openbmc/qemu/include/qapi/qmp/qlist.h (revision 6016b7b4)
1 /*
2  * QList 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 QLIST_H
14 #define QLIST_H
15 
16 #include "qapi/qmp/qobject.h"
17 #include "qemu/queue.h"
18 
19 typedef struct QListEntry {
20     QObject *value;
21     QTAILQ_ENTRY(QListEntry) next;
22 } QListEntry;
23 
24 struct QList {
25     struct QObjectBase_ base;
26     QTAILQ_HEAD(,QListEntry) head;
27 };
28 
29 #define qlist_append(qlist, obj) \
30         qlist_append_obj(qlist, QOBJECT(obj))
31 
32 void qlist_append_bool(QList *qlist, bool value);
33 void qlist_append_int(QList *qlist, int64_t value);
34 void qlist_append_null(QList *qlist);
35 void qlist_append_str(QList *qlist, const char *value);
36 
37 #define QLIST_FOREACH_ENTRY(qlist, var)                 \
38         for ((var) = QTAILQ_FIRST(&(qlist)->head);      \
39              (var);                                     \
40              (var) = QTAILQ_NEXT((var), next))
41 
42 static inline QObject *qlist_entry_obj(const QListEntry *entry)
43 {
44     return entry->value;
45 }
46 
47 QList *qlist_new(void);
48 QList *qlist_copy(QList *src);
49 void qlist_append_obj(QList *qlist, QObject *obj);
50 QObject *qlist_pop(QList *qlist);
51 QObject *qlist_peek(QList *qlist);
52 int qlist_empty(const QList *qlist);
53 size_t qlist_size(const QList *qlist);
54 
55 static inline const QListEntry *qlist_first(const QList *qlist)
56 {
57     return QTAILQ_FIRST(&qlist->head);
58 }
59 
60 static inline const QListEntry *qlist_next(const QListEntry *entry)
61 {
62     return QTAILQ_NEXT(entry, next);
63 }
64 
65 #endif /* QLIST_H */
66