stubs: Move qemu_fd_register stub to util/main-loop.c
[qemu.git] / qobject / qlit.c
1 /*
2 * QLit literal qobject
3 *
4 * Copyright IBM, Corp. 2009
5 * Copyright (c) 2013, 2015, 2017 Red Hat Inc.
6 *
7 * Authors:
8 * Anthony Liguori <aliguori@us.ibm.com>
9 * Markus Armbruster <armbru@redhat.com>
10 * Marc-André Lureau <marcandre.lureau@redhat.com>
11 *
12 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
13 * See the COPYING.LIB file in the top-level directory.
14 */
15
16 #include "qemu/osdep.h"
17
18 #include "qapi/qmp/qlit.h"
19 #include "qapi/qmp/qbool.h"
20 #include "qapi/qmp/qlist.h"
21 #include "qapi/qmp/qnum.h"
22 #include "qapi/qmp/qdict.h"
23 #include "qapi/qmp/qstring.h"
24 #include "qapi/qmp/qnull.h"
25
26 static bool qlit_equal_qdict(const QLitObject *lhs, const QDict *qdict)
27 {
28 int i;
29
30 for (i = 0; lhs->value.qdict[i].key; i++) {
31 QObject *obj = qdict_get(qdict, lhs->value.qdict[i].key);
32
33 if (!qlit_equal_qobject(&lhs->value.qdict[i].value, obj)) {
34 return false;
35 }
36 }
37
38 /* Note: the literal qdict must not contain duplicates, this is
39 * considered a programming error and it isn't checked here. */
40 if (qdict_size(qdict) != i) {
41 return false;
42 }
43
44 return true;
45 }
46
47 static bool qlit_equal_qlist(const QLitObject *lhs, const QList *qlist)
48 {
49 QListEntry *e;
50 int i = 0;
51
52 QLIST_FOREACH_ENTRY(qlist, e) {
53 QObject *obj = qlist_entry_obj(e);
54
55 if (!qlit_equal_qobject(&lhs->value.qlist[i], obj)) {
56 return false;
57 }
58 i++;
59 }
60
61 return !e && lhs->value.qlist[i].type == QTYPE_NONE;
62 }
63
64 bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs)
65 {
66 if (!rhs || lhs->type != qobject_type(rhs)) {
67 return false;
68 }
69
70 switch (lhs->type) {
71 case QTYPE_QBOOL:
72 return lhs->value.qbool == qbool_get_bool(qobject_to(QBool, rhs));
73 case QTYPE_QNUM:
74 return lhs->value.qnum == qnum_get_int(qobject_to(QNum, rhs));
75 case QTYPE_QSTRING:
76 return (strcmp(lhs->value.qstr,
77 qstring_get_str(qobject_to(QString, rhs))) == 0);
78 case QTYPE_QDICT:
79 return qlit_equal_qdict(lhs, qobject_to(QDict, rhs));
80 case QTYPE_QLIST:
81 return qlit_equal_qlist(lhs, qobject_to(QList, rhs));
82 case QTYPE_QNULL:
83 return true;
84 default:
85 break;
86 }
87
88 return false;
89 }
90
91 QObject *qobject_from_qlit(const QLitObject *qlit)
92 {
93 switch (qlit->type) {
94 case QTYPE_QNULL:
95 return QOBJECT(qnull());
96 case QTYPE_QNUM:
97 return QOBJECT(qnum_from_int(qlit->value.qnum));
98 case QTYPE_QSTRING:
99 return QOBJECT(qstring_from_str(qlit->value.qstr));
100 case QTYPE_QDICT: {
101 QDict *qdict = qdict_new();
102 QLitDictEntry *e;
103
104 for (e = qlit->value.qdict; e->key; e++) {
105 qdict_put_obj(qdict, e->key, qobject_from_qlit(&e->value));
106 }
107 return QOBJECT(qdict);
108 }
109 case QTYPE_QLIST: {
110 QList *qlist = qlist_new();
111 QLitObject *e;
112
113 for (e = qlit->value.qlist; e->type != QTYPE_NONE; e++) {
114 qlist_append_obj(qlist, qobject_from_qlit(e));
115 }
116 return QOBJECT(qlist);
117 }
118 case QTYPE_QBOOL:
119 return QOBJECT(qbool_from_bool(qlit->value.qbool));
120 default:
121 assert(0);
122 }
123
124 return NULL;
125 }