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/*
metaobject.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2011 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "metaobject.h"
using namespace GammaRay;
MetaObject::MetaObject() = default;
MetaObject::~MetaObject()
{
qDeleteAll(m_properties);
}
int MetaObject::propertyCount() const
{
int count = 0;
for (MetaObject *mo : m_baseClasses)
count += mo->propertyCount();
return count + m_properties.size();
}
MetaProperty *MetaObject::propertyAt(int index) const
{
for (MetaObject *mo : m_baseClasses) {
if (index >= mo->propertyCount())
index -= mo->propertyCount();
else
return mo->propertyAt(index);
}
Q_ASSERT(index >= 0 && index < m_properties.size());
return m_properties.at(index);
}
void MetaObject::addBaseClass(MetaObject *baseClass)
{
Q_ASSERT(baseClass);
m_baseClasses.push_back(baseClass);
}
void MetaObject::addProperty(MetaProperty *property)
{
Q_ASSERT(property);
// TODO: sort
property->setMetaObject(this);
m_properties.push_back(property);
}
QString MetaObject::className() const
{
return m_className;
}
void MetaObject::setClassName(const QString &className)
{
m_className = className;
}
void *MetaObject::castForPropertyAt(void *object, int index) const
{
for (int i = 0; i < m_baseClasses.size(); ++i) {
const MetaObject *base = m_baseClasses.at(i);
if (index >= base->propertyCount())
index -= base->propertyCount();
else
return base->castForPropertyAt(castToBaseClass(object, i), index);
}
return object; // our own property
}
void *MetaObject::castTo(void *object, const QString &baseClass) const
{
if (className() == baseClass)
return object;
for (int i = 0; i < m_baseClasses.size(); ++i) {
const MetaObject *base = m_baseClasses.at(i);
const auto result = base->castTo(castToBaseClass(object, i), baseClass);
if (result)
return result;
}
return nullptr;
}
bool MetaObject::isPolymorphic() const
{
if (isClassPolymorphic())
return true;
for (const auto &baseClass : m_baseClasses) {
if (baseClass->isPolymorphic())
return true;
}
return false;
}
void *MetaObject::castFrom(void *object, MetaObject *baseClass) const
{
const auto idx = m_baseClasses.indexOf(baseClass);
if (idx < 0)
return nullptr;
return castFromBaseClass(object, idx);
}
MetaObject *MetaObject::superClass(int index) const
{
if (m_baseClasses.size() <= index)
return nullptr;
return m_baseClasses[index];
}
bool MetaObject::inherits(const QString &className) const
{
if (className == m_className)
return true;
for (MetaObject *metaObject : m_baseClasses) {
if (metaObject->inherits(className))
return true;
}
return false;
}
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