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 void qlist_unref(QList *q);
30
31 G_DEFINE_AUTOPTR_CLEANUP_FUNC(QList, qlist_unref)
32
33 #define qlist_append(qlist, obj) \
34 qlist_append_obj(qlist, QOBJECT(obj))
35
36 void qlist_append_bool(QList *qlist, bool value);
37 void qlist_append_int(QList *qlist, int64_t value);
38 void qlist_append_null(QList *qlist);
39 void qlist_append_str(QList *qlist, const char *value);
40
41 #define QLIST_FOREACH_ENTRY(qlist, var) \
42 for ((var) = QTAILQ_FIRST(&(qlist)->head); \
43 (var); \
44 (var) = QTAILQ_NEXT((var), next))
45
qlist_entry_obj(const QListEntry * entry)46 static inline QObject *qlist_entry_obj(const QListEntry *entry)
47 {
48 return entry->value;
49 }
50
51 QList *qlist_new(void);
52 QList *qlist_copy(QList *src);
53 void qlist_append_obj(QList *qlist, QObject *obj);
54 QObject *qlist_pop(QList *qlist);
55 QObject *qlist_peek(QList *qlist);
56 int qlist_empty(const QList *qlist);
57 size_t qlist_size(const QList *qlist);
58
qlist_first(const QList * qlist)59 static inline const QListEntry *qlist_first(const QList *qlist)
60 {
61 return QTAILQ_FIRST(&qlist->head);
62 }
63
qlist_next(const QListEntry * entry)64 static inline const QListEntry *qlist_next(const QListEntry *entry)
65 {
66 return QTAILQ_NEXT(entry, next);
67 }
68
69 #endif /* QLIST_H */
70