mirror of https://gitee.com/openkylin/qemu.git
126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
/*
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* QLit literal qobject
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*
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* Copyright IBM, Corp. 2009
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* Copyright (c) 2013, 2015, 2017 Red Hat Inc.
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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* Markus Armbruster <armbru@redhat.com>
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* Marc-André Lureau <marcandre.lureau@redhat.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/qmp/qlit.h"
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#include "qapi/qmp/qbool.h"
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#include "qapi/qmp/qlist.h"
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#include "qapi/qmp/qnum.h"
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#include "qapi/qmp/qdict.h"
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#include "qapi/qmp/qstring.h"
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#include "qapi/qmp/qnull.h"
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static bool qlit_equal_qdict(const QLitObject *lhs, const QDict *qdict)
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{
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int i;
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for (i = 0; lhs->value.qdict[i].key; i++) {
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QObject *obj = qdict_get(qdict, lhs->value.qdict[i].key);
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if (!qlit_equal_qobject(&lhs->value.qdict[i].value, obj)) {
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return false;
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}
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}
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/* Note: the literal qdict must not contain duplicates, this is
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* considered a programming error and it isn't checked here. */
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if (qdict_size(qdict) != i) {
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return false;
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}
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return true;
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}
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static bool qlit_equal_qlist(const QLitObject *lhs, const QList *qlist)
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{
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QListEntry *e;
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int i = 0;
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QLIST_FOREACH_ENTRY(qlist, e) {
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QObject *obj = qlist_entry_obj(e);
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if (!qlit_equal_qobject(&lhs->value.qlist[i], obj)) {
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return false;
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}
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i++;
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}
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return !e && lhs->value.qlist[i].type == QTYPE_NONE;
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}
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bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs)
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{
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if (!rhs || lhs->type != qobject_type(rhs)) {
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return false;
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}
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switch (lhs->type) {
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case QTYPE_QBOOL:
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return lhs->value.qbool == qbool_get_bool(qobject_to(QBool, rhs));
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case QTYPE_QNUM:
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return lhs->value.qnum == qnum_get_int(qobject_to(QNum, rhs));
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case QTYPE_QSTRING:
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return (strcmp(lhs->value.qstr,
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qstring_get_str(qobject_to(QString, rhs))) == 0);
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case QTYPE_QDICT:
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return qlit_equal_qdict(lhs, qobject_to(QDict, rhs));
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case QTYPE_QLIST:
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return qlit_equal_qlist(lhs, qobject_to(QList, rhs));
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case QTYPE_QNULL:
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return true;
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default:
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break;
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}
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return false;
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}
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QObject *qobject_from_qlit(const QLitObject *qlit)
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{
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switch (qlit->type) {
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case QTYPE_QNULL:
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return QOBJECT(qnull());
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case QTYPE_QNUM:
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return QOBJECT(qnum_from_int(qlit->value.qnum));
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case QTYPE_QSTRING:
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return QOBJECT(qstring_from_str(qlit->value.qstr));
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case QTYPE_QDICT: {
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QDict *qdict = qdict_new();
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QLitDictEntry *e;
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for (e = qlit->value.qdict; e->key; e++) {
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qdict_put_obj(qdict, e->key, qobject_from_qlit(&e->value));
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}
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return QOBJECT(qdict);
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}
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case QTYPE_QLIST: {
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QList *qlist = qlist_new();
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QLitObject *e;
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for (e = qlit->value.qlist; e->type != QTYPE_NONE; e++) {
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qlist_append_obj(qlist, qobject_from_qlit(e));
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}
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return QOBJECT(qlist);
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}
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case QTYPE_QBOOL:
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return QOBJECT(qbool_from_bool(qlit->value.qbool));
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default:
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assert(0);
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}
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return NULL;
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}
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