runtimemetaobject.hpp

/* Copyright (c) 2014, The Nuria Project
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *    1. The origin of this software must not be misrepresented; you must not
 *       claim that you wrote the original software. If you use this software
 *       in a product, an acknowledgment in the product documentation would be
 *       appreciated but is not required.
 *    2. Altered source versions must be plainly marked as such, and must not be
 *       misrepresented as being the original software.
 *    3. This notice may not be removed or altered from any source
 *       distribution.
 */

#ifndef NURIA_RUNTIMEMETAOBJECT_HPP
#define NURIA_RUNTIMEMETAOBJECT_HPP

#include "metaobject.hpp"
#include <functional>

namespace Nuria {

class RuntimeMetaObjectPrivate;

class NURIA_CORE_EXPORT RuntimeMetaObject : public MetaObject {
public:
    
    enum class InvokeAction {
        
        Invoke,
        
        UnsafeInvoke,
        
        ArgumentTest
    };
    
    typedef QMultiMap< QByteArray, QVariant > AnnotationMap;
    
    typedef std::function< Callback(void *, InvokeAction) > InvokeCreator;
    
    typedef std::function< QVariant(void *) > FieldGetter;
    
    typedef std::function< bool(void *, const QVariant &) > FieldSetter;
    
    typedef std::function< void(void *) > InstanceDeleter;
    
    RuntimeMetaObject (const QByteArray &name);
    
    ~RuntimeMetaObject ();
    
    void setQtMetaTypeId (int valueTypeId);
    
    void setQtMetaTypePointerId (int pointerTypeId);
    
    void setAnnotations (const AnnotationMap &annotations);
    
    void setBaseClasses (const QVector< QByteArray > &bases);
    
    void setInstanceDeleter (InstanceDeleter deleter);
    
    void addMethod (MetaMethod::Type type, const QByteArray &name, const QByteArray &returnType,
            const QVector< QByteArray > &argumentNames, const QVector< QByteArray > &argumentTypes,
            const AnnotationMap &annotations, InvokeCreator invokeCreator);
    
    void addEnum (const QByteArray &name, const AnnotationMap &annotations,
              const QMap< QByteArray, int > &keyValueMap);
    
    void addField (const QByteArray &name, const QByteArray &valueType, const AnnotationMap &annotations, 
               FieldGetter getter, FieldSetter setter);
    
    void addField (const QByteArray &name, const QByteArray &valueType, const AnnotationMap &annotations,
               FieldGetter getter);
    
    void finalize ();
    
protected:
    void gateCall (GateMethod method, int category, int index, int nth, void *result, void *additional) override;
    
private:
    int runtimeAnnotationCount (int category, int index);
    QByteArray runtimeAnnotationName (int category, int index, int nth);
    QVariant runtimeAnnotationValue (int category, int index, int nth);
    
    QByteArray runtimeMethodName (int index);
    MetaMethod::Type runtimeMethodType (int index);
    QByteArray runtimeMethodReturnType (int index);
    QVector< QByteArray > runtimeMethodArgumentNames (int index);
    QVector< QByteArray > runtimeMethodArgumentTypes (int index);
    Callback runtimeMethodCallback (void *instance, int index);
    Callback runtimeMethodUnsafeCallback (void *instance, int index);
    Callback runtimeMethodArgumentTest (void *instance, int index);
    
    QByteArray runtimeFieldName (int index);
    QByteArray runtimeFieldType (int index);
    QVariant runtimeFieldRead (int index, void *instance);
    bool runtimeFieldWrite (int index, void *instance, const QVariant &value);
    MetaField::Access runtimeFieldAccess (int index);
    
    QByteArray runtimeEnumName (int index);
    int runtimeEnumElementCount (int index);
    QByteArray runtimeEnumElementKey (int index, int nth);
    int runtimeEnumElementValue (int index, int nth);
    
    RuntimeMetaObjectPrivate *d;
    
};

}

#endif // RUNTIMEMETAOBJECT_HPP