69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#ifndef OBJECT_INFO_HPP
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#define OBJECT_INFO_HPP
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#include "matador/object/basic_object_info.hpp"
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#include "matador/object/observer.hpp"
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#include <functional>
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namespace matador::object {
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class repository_node;
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template<typename Type>
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class object_info final : public basic_object_info {
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public:
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using create_func = std::function<std::unique_ptr<Type>()>;
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object_info(const repository_node& node,
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const std::shared_ptr<class object> &obj,
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std::vector<std::unique_ptr<observer<Type>>>&& observers,
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create_func&& creator)
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: basic_object_info(node, obj)
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, creator_(std::move(creator))
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, observers_(std::move(observers)){}
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explicit object_info(const repository_node& node)
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: basic_object_info(node, {}) {
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}
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const Type &prototype() const { return prototype_; }
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std::unique_ptr<Type> create() const { return creator_(); }
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void on_attach() const override {
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for (auto &observer : observers_) {
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observer->on_attach(node_, prototype_);
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}
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}
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void on_detach() const override {
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for (auto &observer : observers_) {
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observer->on_detach(node_, prototype_);
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}
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}
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void register_observer(std::unique_ptr<observer<Type>>&& observer) {
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observers_.push_back(std::move(observer));
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}
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const std::vector<std::unique_ptr<observer<Type>>>& observers() const {
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return observers_;
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}
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private:
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Type prototype_;
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create_func creator_{[]{ return std::make_unique<Type>(); }};
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std::vector<std::unique_ptr<observer<Type>>> observers_;
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};
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template<typename Type>
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using object_info_ref = std::reference_wrapper<const object_info<Type>>;
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namespace detail {
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struct null_type {};
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}
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using null_info = object_info<detail::null_type>;
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}
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#endif //OBJECT_INFO_HPP
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