metacomponent.h

#ifndef QTRESTCLIENT_METACOMPONENT_H
#define QTRESTCLIENT_METACOMPONENT_H
 
#include "QtRestClient/qtrestclient_global.h"
#include "QtRestClient/qtrestclient_helpertypes.h"
 
#include <QtCore/qobject.h>
 
#include <QtJsonSerializer/qtjsonserializer_helpertypes.h>
 
namespace QtRestClient::__private {
 
template <typename T>
using EnableGadgetType = typename std::enable_if<QtJsonSerializer::__private::gadget_helper<T>::value>::type;
 
template <typename T>
using EnableObjectType = typename std::enable_if<std::is_base_of<QObject, T>::value>::type;
 
template <typename T, typename Enable = void>
class MetaComponent : public std::false_type
{
public:
    static inline void deleteLater(T) {}
    static inline void deleteAllLater(const QList<T> &) {}
};
 
template <typename T>
class MetaComponent<T, EnableGadgetType<T>> : public std::true_type
{
public:
    static inline void deleteLater(T) {}
    static inline void deleteAllLater(const QList<T> &) {}
};
 
template <typename T>
class MetaComponent<T*, EnableObjectType<T>> : public std::true_type
{
public:
    static inline void deleteLater(T *obj) {
        if (obj)
            obj->deleteLater();
    }
    static inline void deleteAllLater(const QList<T*> &list) {
        for (T *obj : list) {
            if (obj)
                obj->deleteLater();
        }
    }
};
 
template <typename T>
class MetaComponent<T*, EnableGadgetType<T>> : public std::true_type
{
public:
    static inline void deleteLater(T *gad) {
        delete gad;
    }
    static inline void deleteAllLater(const QList<T*> &list) {
        qDeleteAll(list);
    }
};
 
}
 
#endif // QTRESTCLIENT_METACOMPONENT_H