#include "object.h"

Object::Object(std::string const& str)
    : str { str }, counter { 0 }
{
}

std::string& Object::data()
{
    return str;
}

Reference Object::get()
{
    return Reference { this };
}

void Object::increase()
{
    ++counter;
}

void Object::decrease()
{
    --counter;
}

int Object::count() const
{
    return counter;
}

Reference::Reference(Object* object)
    : object { object }
{
    if (object != nullptr)
    {
        object->increase();
    }
}

Reference::Reference(Reference const& other)
    : Reference { other.object }
{
}

Reference::Reference(Reference&& other)
    : object { other.object }
{
    other.object = nullptr;
}

Reference::~Reference()
{
    if (object != nullptr)
    {
        object->decrease();
    }
}

Reference& Reference::operator=(Reference const& other)
{
    Reference tmp { other };
    std::swap(object, tmp.object);
    return *this;
}

Reference& Reference::operator=(Reference&& other)
{
    std::swap(object, other.object);
    return *this;
}

std::string& Reference::data()
{
    return object->data();
}