From 74bb9cd27242b9320f99ff4d2b50c3051576cc14 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 8 Feb 2022 16:53:51 +0800
Subject: ...

---
 include/cru/ui/mapper/MapperRegistry.h | 58 ++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 include/cru/ui/mapper/MapperRegistry.h

(limited to 'include/cru/ui/mapper/MapperRegistry.h')

diff --git a/include/cru/ui/mapper/MapperRegistry.h b/include/cru/ui/mapper/MapperRegistry.h
new file mode 100644
index 00000000..29d26156
--- /dev/null
+++ b/include/cru/ui/mapper/MapperRegistry.h
@@ -0,0 +1,58 @@
+#pragma once
+
+#include "Mapper.h"
+
+#include <memory>
+#include <vector>
+
+namespace cru::ui::mapper {
+class CRU_UI_API MapperRegistry {
+ public:
+  static MapperRegistry* GetInstance();
+
+  MapperRegistry();
+
+  CRU_DELETE_COPY(MapperRegistry)
+  CRU_DELETE_MOVE(MapperRegistry)
+
+  ~MapperRegistry();
+
+  const std::vector<MapperBase*>& GetAllMappers() const { return mapper_list_; }
+
+  template <typename T>
+  BasicMapper<T>* GetMapper() const {
+    for (auto mapper : mapper_list_) {
+      if (mapper->GetTypeIndex() == typeid(T)) {
+        return static_cast<BasicMapper<T>*>(mapper);
+      }
+    }
+    return nullptr;
+  }
+
+  template <typename T>
+  BasicRefMapper<T>* GetRefMapper() const {
+    return GetMapper<std::shared_ptr<T>>();
+  }
+
+  template <typename T>
+  BasicPtrMapper<T>* GetPtrMapper() const {
+    return GetMapper<ClonablePtr<T>>();
+  }
+
+  template <typename T>
+  std::vector<T*> GetMappersByInterface() const {
+    std::vector<T*> result;
+    for (auto mapper : mapper_list_) {
+      auto m = dynamic_cast<T*>(mapper);
+      if (m) result.push_back(m);
+    }
+    return result;
+  }
+
+  void RegisterMapper(MapperBase* mapper);
+  void UnregisterMapper(MapperBase* mapper);
+
+ private:
+  std::vector<MapperBase*> mapper_list_;
+};
+}  // namespace cru::ui::mapper
-- 
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