refArray.hpp

#pragma once
 
#include <type_traits>
 
#include "array.hpp"
 
namespace z {
namespace core {
template <typename T>
class refArray : public array<T> {
private:
    // only allow this class to work with pointers
    static_assert(std::is_pointer<T>::value, "Template must be of pointer type.");
 
protected:
    virtual bool eq(const T &arg1, const T &arg2) const override {
        return (arg1 == arg2) || (arg1 && arg2 && equals(*arg1, *arg2));
    }
 
    virtual bool gt(const T &arg1, const T &arg2) const override {
        if (arg1 == arg2) {
            return false;
        } else if (arg1 && arg2) {
            return greater(*arg1, *arg2);
        } else {
            return arg1;
        }
    }
 
    virtual bool lt(const T &arg1, const T &arg2) const override {
        if (arg1 == arg2) {
            return false;
        } else if (arg1 && arg2) {
            return lesser(*arg1, *arg2);
        } else {
            return arg2;
        }
    }
 
public:
    refArray() {}

    template <typename... Args>
    refArray(const T &arg1, const Args &...args) {
        this->init(arg1, args...);
    }
 
    virtual bool operator()(const T &arg1, const T &arg2) const override {
        return greater(*arg1, *arg2);
    }
};
} // namespace core
} // namespace z