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/*
Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef qscriptvalueiterator_p_h
#define qscriptvalueiterator_p_h
#include "qscriptvalue_p.h"
#include <JavaScriptCore/JavaScript.h>
#include <JavaScriptCore/JSRetainPtr.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qvector.h>
class QScriptValueIteratorPrivate: public QSharedData {
public:
inline QScriptValueIteratorPrivate(const QScriptValuePrivate* value);
inline ~QScriptValueIteratorPrivate();
inline bool hasNext();
inline void next();
inline bool hasPrevious();
inline void previous();
inline QString name() const;
inline QScriptStringPrivate* scriptName() const;
inline QScriptValuePrivate* value() const;
inline void setValue(const QScriptValuePrivate* value);
inline void remove();
inline void toFront();
inline void toBack();
QScriptValue::PropertyFlags flags() const;
inline bool isValid() const;
private:
inline QScriptEnginePrivate* engine() const;
QExplicitlySharedDataPointer<QScriptValuePrivate> m_object;
QVector<JSStringRef> m_names;
QMutableVectorIterator<JSStringRef> m_idx;
};
inline QScriptValueIteratorPrivate::QScriptValueIteratorPrivate(const QScriptValuePrivate* value)
: m_object(const_cast<QScriptValuePrivate*>(value))
, m_idx(m_names)
{
if (m_object->isObject()) {
m_names = engine()->objectGetOwnPropertyNames(*m_object);
m_idx = m_names;
} else
m_object = 0;
}
inline QScriptValueIteratorPrivate::~QScriptValueIteratorPrivate()
{
QVector<JSStringRef>::const_iterator i = m_names.constBegin();
for (; i != m_names.constEnd(); ++i)
JSStringRelease(*i);
}
inline bool QScriptValueIteratorPrivate::hasNext()
{
return m_idx.hasNext();
}
inline void QScriptValueIteratorPrivate::next()
{
// FIXME (Qt5) This method should return a value (QTBUG-11226).
m_idx.next();
}
inline bool QScriptValueIteratorPrivate::hasPrevious()
{
return m_idx.hasPrevious();
}
inline void QScriptValueIteratorPrivate::previous()
{
m_idx.previous();
}
inline QString QScriptValueIteratorPrivate::name() const
{
if (!isValid())
return QString();
return QScriptConverter::toString(m_idx.value());
}
inline QScriptStringPrivate* QScriptValueIteratorPrivate::scriptName() const
{
if (!isValid())
return new QScriptStringPrivate();
return new QScriptStringPrivate(QScriptConverter::toString(m_idx.value()));
}
inline QScriptValuePrivate* QScriptValueIteratorPrivate::value() const
{
if (!isValid())
return new QScriptValuePrivate();
JSValueRef exception = 0;
JSValueRef value = m_object->property(m_idx.value(), &exception);
engine()->setException(exception);
return new QScriptValuePrivate(engine(), value);
}
inline void QScriptValueIteratorPrivate::setValue(const QScriptValuePrivate* value)
{
if (!isValid())
return;
JSValueRef exception = 0;
m_object->setProperty(m_idx.value(), *value, /* flags */ 0, &exception);
engine()->setException(exception);
}
inline void QScriptValueIteratorPrivate::remove()
{
if (!isValid())
return;
JSValueRef exception = 0;
m_object->deleteProperty(m_idx.value(), &exception);
engine()->setException(exception);
m_idx.remove();
}
inline void QScriptValueIteratorPrivate::toFront()
{
m_idx.toFront();
}
inline void QScriptValueIteratorPrivate::toBack()
{
m_idx.toBack();
}
QScriptValue::PropertyFlags QScriptValueIteratorPrivate::flags() const
{
if (!isValid())
return QScriptValue::PropertyFlags(0);
return m_object->propertyFlags(m_idx.value(), QScriptValue::ResolveLocal);
}
inline bool QScriptValueIteratorPrivate::isValid() const
{
return m_object;
}
inline QScriptEnginePrivate* QScriptValueIteratorPrivate::engine() const
{
Q_ASSERT(isValid());
return m_object->engine();
}
#endif // qscriptvalueiterator_p_h
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