jsobject.h

/****************************************************************
 *
 * Copyright (C) 2016-2018 Alessandro Pignotti <alessandro@leaningtech.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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 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 _CHEERP_JSOBJECT_H_65a8f9e1
#define _CHEERP_JSOBJECT_H_65a8f9e1

#include <type_traits>

namespace [[cheerp::genericjs]] client
{

class String;
class Array;

class Object
{
private:
    // Make it impossible to blindly copy a browser object
    Object(const Object&) = delete;
public:
    Object();
    // valueOf may return different types, the users should specify which one is expected
    template<typename T>
    T valueOf();
    operator double() const
    {
        return const_cast<Object*>(this)->valueOf<double>();
    }
    Object* operator[](const client::String& name) const;
    // operator[] for arbitrary assignment can't be expressed as we can't have a pointer to an arbitrary member of an object
    // We provide the following function instead
    void set_(const client::String& name, Object* v);
    template<typename T, typename = typename std::enable_if<std::is_arithmetic<T>::value, T>::type>
    void set_(const client::String& name, T v);
    bool hasOwnProperty(const client::String& name);
    static Array* keys(Object*) [[cheerp::static]];
    static Array* values(Object*) [[cheerp::static]];
};

}

#endif