| /* |
| * QObject |
| * |
| * Copyright (C) 2015 Red Hat, Inc. |
| * |
| * This work is licensed under the terms of the GNU LGPL, version 2.1 |
| * or later. See the COPYING.LIB file in the top-level directory. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/qmp/qbool.h" |
| #include "qapi/qmp/qnull.h" |
| #include "qapi/qmp/qnum.h" |
| #include "qapi/qmp/qdict.h" |
| #include "qapi/qmp/qlist.h" |
| #include "qapi/qmp/qstring.h" |
| |
| QEMU_BUILD_BUG_MSG( |
| offsetof(QNull, base) != 0 || |
| offsetof(QNum, base) != 0 || |
| offsetof(QString, base) != 0 || |
| offsetof(QDict, base) != 0 || |
| offsetof(QList, base) != 0 || |
| offsetof(QBool, base) != 0, |
| "base qobject must be at offset 0"); |
| |
| static void (*qdestroy[QTYPE__MAX])(QObject *) = { |
| [QTYPE_NONE] = NULL, /* No such object exists */ |
| [QTYPE_QNULL] = NULL, /* qnull_ is indestructible */ |
| [QTYPE_QNUM] = qnum_destroy_obj, |
| [QTYPE_QSTRING] = qstring_destroy_obj, |
| [QTYPE_QDICT] = qdict_destroy_obj, |
| [QTYPE_QLIST] = qlist_destroy_obj, |
| [QTYPE_QBOOL] = qbool_destroy_obj, |
| }; |
| |
| void qobject_destroy(QObject *obj) |
| { |
| assert(!obj->base.refcnt); |
| assert(QTYPE_QNULL < obj->base.type && obj->base.type < QTYPE__MAX); |
| qdestroy[obj->base.type](obj); |
| } |
| |
| |
| static bool (*qis_equal[QTYPE__MAX])(const QObject *, const QObject *) = { |
| [QTYPE_NONE] = NULL, /* No such object exists */ |
| [QTYPE_QNULL] = qnull_is_equal, |
| [QTYPE_QNUM] = qnum_is_equal, |
| [QTYPE_QSTRING] = qstring_is_equal, |
| [QTYPE_QDICT] = qdict_is_equal, |
| [QTYPE_QLIST] = qlist_is_equal, |
| [QTYPE_QBOOL] = qbool_is_equal, |
| }; |
| |
| bool qobject_is_equal(const QObject *x, const QObject *y) |
| { |
| /* We cannot test x == y because an object does not need to be |
| * equal to itself (e.g. NaN floats are not). */ |
| |
| if (!x && !y) { |
| return true; |
| } |
| |
| if (!x || !y || x->base.type != y->base.type) { |
| return false; |
| } |
| |
| assert(QTYPE_NONE < x->base.type && x->base.type < QTYPE__MAX); |
| |
| return qis_equal[x->base.type](x, y); |
| } |