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#pragma once
#include "container.hpp"
#include "function_wrapper.hpp"
#include "object_wrapper.hpp"
#include <iostream>
template <typename Interface>
BindingBuilder<Interface>::BindingBuilder(Container *container) noexcept
: _container(container)
{
}
template <typename Interface>
template <typename Impl>
requires Abstract<Interface> && std::derived_from<Impl, Interface>
void BindingBuilder<Interface>::to() noexcept
{
using Wrapper = ObjectWrapper<Interface, Impl>;
auto wrapper = Container::WrapperPtr<Wrapper>(new Wrapper(*_container));
_container->add(
ObjectType<Interface>(),
std::dynamic_pointer_cast<IGenericWrapper>(wrapper)
);
}
template <typename Interface>
template <typename FactoryFunc>
requires IsFactory<Interface> && std::constructible_from<Interface, FactoryFunc>
void BindingBuilder<Interface>::to_factory(FactoryFunc factory) noexcept
{
using Wrapper = FunctionWrapper<Interface>;
auto wrapper = Container::WrapperPtr<Wrapper>(new Wrapper(factory));
_container->add(
ObjectType<Interface>(),
std::dynamic_pointer_cast<IGenericWrapper>(wrapper)
);
}
template <typename Interface>
auto Container::bind() noexcept -> BindingBuilder<Interface>
{
return BindingBuilder<Interface>(this);
}
template <typename Interface>
requires Abstract<Interface>
auto Container::get() const noexcept -> std::unique_ptr<Interface>
{
ObjectType<Interface> interface_type;
if (_bindings.count(interface_type) == 0)
{
std::cerr
<< "Error: Tried to get a item from the container using unbound interface '"
<< interface_type.name() << "'" << std::endl;
exit(EXIT_FAILURE);
}
auto wrapper = std::dynamic_pointer_cast<IWrapper<std::unique_ptr<Interface>>>(
_bindings.at(interface_type)
);
return wrapper->get();
}
template <typename AFactory>
requires IsFactory<AFactory>
auto Container::get() const noexcept -> AFactory
{
auto wrapper =
std::dynamic_pointer_cast<IWrapper<AFactory>>(_bindings.at(ObjectType<AFactory>())
);
return wrapper->get();
}
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