metaobject.cpp

   1 /*
   2   metaobject.cpp
   3
   4   This file is part of GammaRay, the Qt application inspection and
   5   manipulation tool.
   6
   7   Copyright (C) 2011 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
   8   Author: Volker Krause <volker.krause@kdab.com>
   9
  10   This program is free software; you can redistribute it and/or modify
  11   it under the terms of the GNU General Public License as published by
  12   the Free Software Foundation, either version 2 of the License, or
  13   (at your option) any later version.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License
  21   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "metaobject.h"
  25
  26 using namespace GammaRay;
  27
  28 MetaObject::MetaObject()
  29 {
  30 }
  31
  32 MetaObject::~MetaObject()
  33 {
  34   qDeleteAll(m_properties);
  35 }
  36
  37 int MetaObject::propertyCount() const
  38 {
  39   int count = 0;
  40   foreach (MetaObject *mo, m_baseClasses) {
  41     count += mo->propertyCount();
  42   }
  43   return count + m_properties.size();
  44 }
  45
  46 MetaProperty *MetaObject::propertyAt(int index) const
  47 {
  48   foreach (MetaObject *mo, m_baseClasses) {
  49     if (index >= mo->propertyCount()) {
  50       index -= mo->propertyCount();
  51     } else {
  52       return mo->propertyAt(index);
  53     }
  54   }
  55   Q_ASSERT(index >= 0 && index < m_properties.size());
  56   return m_properties.at(index);
  57 }
  58
  59 void MetaObject::addBaseClass(MetaObject *baseClass)
  60 {
  61   Q_ASSERT(baseClass);
  62   m_baseClasses.push_back(baseClass);
  63 }
  64
  65 void MetaObject::addProperty(MetaProperty *property)
  66 {
  67   Q_ASSERT(property);
  68   // TODO: sort
  69   property->setMetaObject(this);
  70   m_properties.push_back(property);
  71 }
  72
  73 QString MetaObject::className() const
  74 {
  75   return m_className;
  76 }
  77
  78 void MetaObject::setClassName(const QString &className)
  79 {
  80   m_className = className;
  81 }
  82
  83 void *MetaObject::castForPropertyAt(void *object, int index) const
  84 {
  85   for (int i = 0; i < m_baseClasses.size(); ++i) {
  86     const MetaObject *base = m_baseClasses.at(i);
  87     if (index >= base->propertyCount()) {
  88       index -= base->propertyCount();
  89     } else {
  90       return base->castForPropertyAt(castToBaseClass(object, i), index);
  91     }
  92   }
  93   return object; // our own property
  94 }