plasma-framework/scriptengines/javascript/simplebindings/dataengine.h

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/*
* Copyright 2007 Richard J. Moore <rich@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License version 2 as
* published by the Free Software Foundation
*
* This program 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 General Public License for more details
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef DATAENGINE_H
#define DATAENGINE_H
#include <QScriptEngine>
#include <QScriptValue>
#include <QScriptValueIterator>
#include <KDebug>
#include <Plasma/DataEngine>
#include <Plasma/Service>
#include <Plasma/ServiceJob>
using namespace Plasma;
#ifndef DECLARATIVE_BINDING
Q_DECLARE_METATYPE(QVariant)
#endif
Q_DECLARE_METATYPE(DataEngine::Dict)
Q_DECLARE_METATYPE(DataEngine::Data)
template <class M>
QScriptValue qScriptValueFromMap(QScriptEngine *eng, const M &map)
{
//kDebug() << "qScriptValueFromMap called";
QScriptValue obj = eng->newObject();
typename M::const_iterator begin = map.constBegin();
typename M::const_iterator end = map.constEnd();
typename M::const_iterator it;
for (it = begin; it != end; ++it) {
obj.setProperty(it.key(), qScriptValueFromValue(eng, it.value()));
}
return obj;
}
template <class M>
QScriptValue qScriptValueFromVariantMap(QScriptEngine *eng, const M &map)
{
//kDebug() << "qScriptValueFromMap called";
QScriptValue obj = eng->newObject();
typename M::const_iterator begin = map.constBegin();
typename M::const_iterator end = map.constEnd();
typename M::const_iterator it;
for (it = begin; it != end; ++it) {
if (it.value().type() == QVariant::Hash) {
obj.setProperty(it.key(), qScriptValueFromMap(eng, it.value().toHash()));
} else if (it.value().type() == QVariant::Map) {
obj.setProperty(it.key(), qScriptValueFromMap(eng, it.value().toMap()));
} else {
obj.setProperty(it.key(), qScriptValueFromValue(eng, it.value()));
}
}
return obj;
}
template <class M>
void qScriptValueToMap(const QScriptValue &value, M &map)
{
//kDebug() << "qScriptValueToMap called";
QScriptValueIterator it(value);
while (it.hasNext()) {
it.next();
map[it.name()] = qscriptvalue_cast<typename M::mapped_type>(it.value());
}
}
template<typename T>
int qScriptRegisterVariantMapMetaType(
QScriptEngine *engine,
const QScriptValue &prototype = QScriptValue()
#ifndef qdoc
, T * /* dummy */ = 0
#endif
)
{
return qScriptRegisterMetaType<T>(engine, qScriptValueFromVariantMap, qScriptValueToMap, prototype);
}
template<typename T>
int qScriptRegisterMapMetaType(
QScriptEngine *engine,
const QScriptValue &prototype = QScriptValue()
#ifndef qdoc
, T * /* dummy */ = 0
#endif
)
{
return qScriptRegisterMetaType<T>(engine, qScriptValueFromMap, qScriptValueToMap, prototype);
}
void registerDataEngineMetaTypes(QScriptEngine *engine);
#endif // DATAENGINE_H