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qobjecthelper.cpp
1/* This file is part of qjson
2 *
3 * Copyright (C) 2009 Till Adam <adam@kde.org>
4 * Copyright (C) 2009 Flavio Castelli <flavio@castelli.name>
5 * Copyright (C) 2016 Anton Kudryavtsev <a.kudryavtsev@netris.ru>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License version 2.1, as published by the Free Software Foundation.
10 *
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23
24#include "qobjecthelper.h"
25
26#include <QtCore/QMetaObject>
27#include <QtCore/QMetaProperty>
28#include <QtCore/QObject>
29
30using namespace QJson;
31
32class QObjectHelper::QObjectHelperPrivate {
33};
34
35QObjectHelper::QObjectHelper()
36 : d (new QObjectHelperPrivate)
37{
38}
39
40QObjectHelper::~QObjectHelper()
41{
42 delete d;
43}
44
45QVariantMap QObjectHelper::qobject2qvariant( const QObject* object,
46 const QStringList& ignoredProperties)
47{
48 QVariantMap result;
49 const QMetaObject *metaobject = object->metaObject();
50 int count = metaobject->propertyCount();
51 for (int i=0; i<count; ++i) {
52 QMetaProperty metaproperty = metaobject->property(i);
53 const char *name = metaproperty.name();
54
55 if (!metaproperty.isReadable() || ignoredProperties.contains(QLatin1String(name)))
56 continue;
57
58 QVariant value = object->property(name);
59 result[QLatin1String(name)] = value;
60 }
61 return result;
62}
63
64void QObjectHelper::qvariant2qobject(const QVariantMap& variant, QObject* object)
65{
66 const QMetaObject *metaobject = object->metaObject();
67
68 for (QVariantMap::const_iterator iter = variant.constBegin(),
69 end = variant.constEnd(); iter != end; ++iter) {
70 int pIdx = metaobject->indexOfProperty( iter.key().toLatin1() );
71
72 if ( pIdx < 0 ) {
73 continue;
74 }
75
76 QMetaProperty metaproperty = metaobject->property( pIdx );
77 QVariant::Type type = metaproperty.type();
78 QVariant v( iter.value() );
79 if ( v.canConvert( type ) ) {
80 v.convert( type );
81 metaproperty.write( object, v );
82 } else if (QLatin1String("QVariant") == QLatin1String(metaproperty.typeName())) {
83 metaproperty.write( object, v );
84 }
85 }
86}
static void qvariant2qobject(const QVariantMap &variant, QObject *object)
static QVariantMap qobject2qvariant(const QObject *object, const QStringList &ignoredProperties=QStringList(QString(QLatin1String("objectName"))))

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