1 /* 2 * QObject 3 * 4 * Copyright (C) 2015 Red Hat, Inc. 5 * 6 * This work is licensed under the terms of the GNU LGPL, version 2.1 7 * or later. See the COPYING.LIB file in the top-level directory. 8 */ 9 10 #include "qemu/osdep.h" 11 #include "qemu-common.h" 12 #include "qapi/qmp/qbool.h" 13 #include "qapi/qmp/qnull.h" 14 #include "qapi/qmp/qnum.h" 15 #include "qapi/qmp/qdict.h" 16 #include "qapi/qmp/qlist.h" 17 #include "qapi/qmp/qstring.h" 18 19 static void (*qdestroy[QTYPE__MAX])(QObject *) = { 20 [QTYPE_NONE] = NULL, /* No such object exists */ 21 [QTYPE_QNULL] = NULL, /* qnull_ is indestructible */ 22 [QTYPE_QNUM] = qnum_destroy_obj, 23 [QTYPE_QSTRING] = qstring_destroy_obj, 24 [QTYPE_QDICT] = qdict_destroy_obj, 25 [QTYPE_QLIST] = qlist_destroy_obj, 26 [QTYPE_QBOOL] = qbool_destroy_obj, 27 }; 28 29 void qobject_destroy(QObject *obj) 30 { 31 assert(!obj->refcnt); 32 assert(QTYPE_QNULL < obj->type && obj->type < QTYPE__MAX); 33 qdestroy[obj->type](obj); 34 } 35 36 37 static bool (*qis_equal[QTYPE__MAX])(const QObject *, const QObject *) = { 38 [QTYPE_NONE] = NULL, /* No such object exists */ 39 [QTYPE_QNULL] = qnull_is_equal, 40 [QTYPE_QNUM] = qnum_is_equal, 41 [QTYPE_QSTRING] = qstring_is_equal, 42 [QTYPE_QDICT] = qdict_is_equal, 43 [QTYPE_QLIST] = qlist_is_equal, 44 [QTYPE_QBOOL] = qbool_is_equal, 45 }; 46 47 bool qobject_is_equal(const QObject *x, const QObject *y) 48 { 49 /* We cannot test x == y because an object does not need to be 50 * equal to itself (e.g. NaN floats are not). */ 51 52 if (!x && !y) { 53 return true; 54 } 55 56 if (!x || !y || x->type != y->type) { 57 return false; 58 } 59 60 assert(QTYPE_NONE < x->type && x->type < QTYPE__MAX); 61 62 return qis_equal[x->type](x, y); 63 } 64