projects/lib/3rdparty/qjson/src/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   *
   6   * This library is free software; you can redistribute it and/or
   7   * modify it under the terms of the GNU Library General Public
   8   * License as published by the Free Software Foundation; either
   9   * version 2 of the License, or (at your option) any later version.
  10   *
  11   * This library is distributed in the hope that it will be useful,
  12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14   * Library General Public License for more details.
  15   *
  16   * You should have received a copy of the GNU Library General Public License
  17   * along with this library; see the file COPYING.LIB.  If not, write to
  18   * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19   * Boston, MA 02110-1301, USA.
  20   */
  21
  22
  23 #include <qjson/qobjecthelper.h>
  24
  25 #include <QtCore/QMetaObject>
  26 #include <QtCore/QMetaProperty>
  27 #include <QtCore/QObject>
  28
  29 using namespace QJson;
  30
  31 class QObjectHelper::QObjectHelperPrivate {
  32 };
  33
  34 QObjectHelper::QObjectHelper()
  35   : d (new QObjectHelperPrivate)
  36 {
  37 }
  38
  39 QObjectHelper::~QObjectHelper()
  40 {
  41   delete d;
  42 }
  43
  44 QVariantMap QObjectHelper::qobject2qvariant( const QObject* object,
  45                               const QStringList& ignoredProperties)
  46 {
  47   QVariantMap result;
  48   const QMetaObject *metaobject = object->metaObject();
  49   int count = metaobject->propertyCount();
  50   for (int i=0; i<count; ++i) {
  51     QMetaProperty metaproperty = metaobject->property(i);
  52     const char *name = metaproperty.name();
  53
  54     if (ignoredProperties.contains(QLatin1String(name)) || (!metaproperty.isReadable()))
  55       continue;
  56
  57     QVariant value = object->property(name);
  58     result[QLatin1String(name)] = value;
  59  }
  60   return result;
  61 }
  62
  63 void QObjectHelper::qvariant2qobject(const QVariantMap& variant, QObject* object)
  64 {
  65   QStringList properies;
  66   const QMetaObject *metaobject = object->metaObject();
  67   int count = metaobject->propertyCount();
  68   for (int i=0; i<count; ++i) {
  69     QMetaProperty metaproperty = metaobject->property(i);
  70     if (metaproperty.isWritable()) {
  71       properies << QLatin1String( metaproperty.name());
  72     }
  73   }
  74
  75   QVariantMap::const_iterator iter;
  76   for (iter = variant.constBegin(); iter != variant.end(); iter++) {
  77     if (properies.contains(iter.key())) {
  78       object->setProperty(iter.key().toAscii(), iter.value());
  79     }
  80   }
  81 }