get internals from info

headers/meta.hpp/meta_infos/class_info.hpp

@@ -50,6 +50,13 @@ namespace meta_hpp
 
         template < typename F >
         void each_method(F&& f) const;
+
+        class_info get_class_by_name(std::string_view name) const noexcept;
+        data_info get_data_by_name(std::string_view name) const noexcept;
+        enum_info get_enum_by_name(std::string_view name) const noexcept;
+        function_info get_function_by_name(std::string_view name) const noexcept;
+        member_info get_member_by_name(std::string_view name) const noexcept;
+        method_info get_method_by_name(std::string_view name) const noexcept;
     private:
         template < typename Class > friend class class_;
 
@@ -157,6 +164,30 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline class_info class_info::get_class_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->classes, name);
+    }
+
+    inline data_info class_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
+
+    inline enum_info class_info::get_enum_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->enums, name);
+    }
+
+    inline function_info class_info::get_function_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->functions, name);
+    }
+
+    inline member_info class_info::get_member_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->members, name);
+    }
+
+    inline method_info class_info::get_method_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->methods, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_infos/ctor_info.hpp

@@ -26,6 +26,8 @@ namespace meta_hpp
 
         template < typename F >
         void each_data(F&& f) const;
+
+        data_info get_data_by_name(std::string_view name) const noexcept;
     private:
         template < typename... Args > friend class ctor_;
 
@@ -74,6 +76,10 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline data_info ctor_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_infos/data_info.hpp

@@ -25,6 +25,8 @@ namespace meta_hpp
 
         template < typename F >
         void each_data(F&& f) const;
+
+        data_info get_data_by_name(std::string_view name) const noexcept;
     private:
         friend class data_;
 
@@ -77,6 +79,10 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline data_info data_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_infos/enum_info.hpp

@@ -31,6 +31,9 @@ namespace meta_hpp
 
         template < typename F >
         void each_evalue(F&& f) const;
+
+        data_info get_data_by_name(std::string_view name) const noexcept;
+        evalue_info get_evalue_by_name(std::string_view name) const noexcept;
     private:
         template < typename Enum > friend class enum_;
 
@@ -93,6 +96,14 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline data_info enum_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
+
+    inline evalue_info enum_info::get_evalue_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->evalues, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_infos/evalue_info.hpp

@@ -27,6 +27,8 @@ namespace meta_hpp
 
         template < typename F >
         void each_data(F&& f) const;
+
+        data_info get_data_by_name(std::string_view name) const noexcept;
     private:
         template < typename Enum > friend class evalue_;
 
@@ -80,6 +82,10 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline data_info evalue_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_infos/function_info.hpp

@@ -27,6 +27,8 @@ namespace meta_hpp
 
         template < typename F >
         void each_data(F&& f) const;
+
+        data_info get_data_by_name(std::string_view name) const noexcept;
     private:
         template < typename Function > friend class function_;
 
@@ -80,6 +82,10 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline data_info function_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_infos/member_info.hpp

@@ -27,6 +27,8 @@ namespace meta_hpp
 
         template < typename F >
         void each_data(F&& f) const;
+
+        data_info get_data_by_name(std::string_view name) const noexcept;
     private:
         template < typename Member > friend class member_;
 
@@ -80,6 +82,10 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline data_info member_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_infos/method_info.hpp

@@ -27,6 +27,8 @@ namespace meta_hpp
 
         template < typename F >
         void each_data(F&& f) const;
+
+        data_info get_data_by_name(std::string_view name) const noexcept;
     private:
         template < typename Method > friend class method_;
 
@@ -80,6 +82,10 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline data_info method_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_infos/namespace_info.hpp

@@ -41,6 +41,12 @@ namespace meta_hpp
 
         template < typename F >
         void each_namespace(F&& f) const;
+
+        class_info get_class_by_name(std::string_view name) const noexcept;
+        data_info get_data_by_name(std::string_view name) const noexcept;
+        enum_info get_enum_by_name(std::string_view name) const noexcept;
+        function_info get_function_by_name(std::string_view name) const noexcept;
+        namespace_info get_namespace_by_name(std::string_view name) const noexcept;
     private:
         friend class namespace_;
 
@@ -124,6 +130,26 @@ namespace meta_hpp
             std::invoke(f, name_info.second);
         }
     }
+
+    inline class_info namespace_info::get_class_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->classes, name);
+    }
+
+    inline data_info namespace_info::get_data_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->datas, name);
+    }
+
+    inline enum_info namespace_info::get_enum_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->enums, name);
+    }
+
+    inline function_info namespace_info::get_function_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->functions, name);
+    }
+
+    inline namespace_info namespace_info::get_namespace_by_name(std::string_view name) const noexcept {
+        return detail::find_or_default(state_->namespaces, name);
+    }
 }
 
 namespace meta_hpp

headers/meta.hpp/meta_registry.hpp

@@ -24,14 +24,14 @@ namespace meta_hpp
     public:
         registry() = default;
 
-        class_info get_class_by_name(std::string_view name) const noexcept;
-        data_info get_data_by_name(std::string_view name) const noexcept;
-        enum_info get_enum_by_name(std::string_view name) const noexcept;
-        evalue_info get_evalue_by_name(std::string_view name) const noexcept;
-        function_info get_function_by_name(std::string_view name) const noexcept;
-        member_info get_member_by_name(std::string_view name) const noexcept;
-        method_info get_method_by_name(std::string_view name) const noexcept;
-        namespace_info get_namespace_by_name(std::string_view name) const noexcept;
+        class_info get_class_by_path(std::string_view path) const noexcept;
+        data_info get_data_by_path(std::string_view path) const noexcept;
+        enum_info get_enum_by_path(std::string_view path) const noexcept;
+        evalue_info get_evalue_by_path(std::string_view path) const noexcept;
+        function_info get_function_by_path(std::string_view path) const noexcept;
+        member_info get_member_by_path(std::string_view path) const noexcept;
+        method_info get_method_by_path(std::string_view path) const noexcept;
+        namespace_info get_namespace_by_path(std::string_view path) const noexcept;
     public:
         template < typename... Internals >
         registry& operator()(Internals&&... internals);
@@ -75,36 +75,36 @@ namespace meta_hpp
 
 namespace meta_hpp
 {
-    inline class_info registry::get_class_by_name(std::string_view name) const noexcept {
-        return detail::find_or_default(classes_, name);
+    inline class_info registry::get_class_by_path(std::string_view path) const noexcept {
+        return detail::find_or_default(classes_, path);
     }
 
-    inline data_info registry::get_data_by_name(std::string_view name) const noexcept {
-        return detail::find_or_default(datas_, name);
+    inline data_info registry::get_data_by_path(std::string_view path) const noexcept {
+        return detail::find_or_default(datas_, path);
     }
 
-    inline enum_info registry::get_enum_by_name(std::string_view name) const noexcept {
-        return detail::find_or_default(enums_, name);
+    inline enum_info registry::get_enum_by_path(std::string_view path) const noexcept {
+        return detail::find_or_default(enums_, path);
     }
 
-    inline evalue_info registry::get_evalue_by_name(std::string_view name) const noexcept {
-        return detail::find_or_default(evalues_, name);
+    inline evalue_info registry::get_evalue_by_path(std::string_view path) const noexcept {
+        return detail::find_or_default(evalues_, path);
     }
 
-    inline function_info registry::get_function_by_name(std::string_view name) const noexcept {
-        return detail::find_or_default(functions_, name);
+    inline function_info registry::get_function_by_path(std::string_view path) const noexcept {
+        return detail::find_or_default(functions_, path);
     }
 
-    inline member_info registry::get_member_by_name(std::string_view name) const noexcept {
-        return detail::find_or_default(members_, name);
+    inline member_info registry::get_member_by_path(std::string_view path) const noexcept {
+        return detail::find_or_default(members_, path);
     }
 
-    inline method_info registry::get_method_by_name(std::string_view name) const noexcept {
-        return detail::find_or_default(methods_, name);
+    inline method_info registry::get_method_by_path(std::string_view path) const noexcept {
+        return detail::find_or_default(methods_, path);
     }
 
-    inline namespace_info registry::get_namespace_by_name(std::string_view name) const noexcept {
-        return detail::find_or_default(namespaces_, name);
+    inline namespace_info registry::get_namespace_by_path(std::string_view path) const noexcept {
+        return detail::find_or_default(namespaces_, path);
     }
 }
 

headers/meta.hpp/meta_utilities/value.hpp

@@ -19,5 +19,28 @@ namespace meta_hpp
 
         value(const value&) = default;
         value& operator=(const value&) = default;
+
+        template < typename T, typename Tp = std::decay_t<T>
+                 , std::enable_if_t<!std::is_same_v<Tp, value>, int> = 0 >
+        value(T&& val)
+        : raw_{std::forward<T>(val)} {}
+
+        template < typename T, typename Tp = std::decay_t<T>
+                 , std::enable_if_t<!std::is_same_v<Tp, value>, int> = 0 >
+        value& operator=(T&& val) {
+            value{std::forward<T>(val)}.swap(*this);
+            return *this;
+        }
+
+        void swap(value& other) noexcept {
+            using std::swap;
+            swap(raw_, other.raw_);
+        }
+    private:
+        std::any raw_{};
     };
+
+    inline void swap(value& l, value& r) noexcept {
+        l.swap(r);
+    }
 }

untests/features/infos/function_tests.cpp

@@ -37,12 +37,12 @@ TEST_CASE("features/infos/function") {
         function_{"arg_crref", &arg_crref}
     );
 
-    const function_info arg_copy_info = db.get_function_by_name("arg_copy");
-    const function_info arg_ref_info = db.get_function_by_name("arg_ref");
-    const function_info arg_cref_info = db.get_function_by_name("arg_cref");
-    const function_info arg_rref_info = db.get_function_by_name("arg_rref");
-    const function_info arg_crref_info = db.get_function_by_name("arg_crref");
-    const function_info arg_not_exist_info = db.get_function_by_name("arg_not_exist");
+    const function_info arg_copy_info = db.get_function_by_path("arg_copy");
+    const function_info arg_ref_info = db.get_function_by_path("arg_ref");
+    const function_info arg_cref_info = db.get_function_by_path("arg_cref");
+    const function_info arg_rref_info = db.get_function_by_path("arg_rref");
+    const function_info arg_crref_info = db.get_function_by_path("arg_crref");
+    const function_info arg_not_exist_info = db.get_function_by_path("arg_not_exist");
 
     REQUIRE(arg_copy_info);
     REQUIRE(arg_ref_info);

untests/features/registry/_registry_fwd.hpp

@@ -0,0 +1,9 @@
+/*******************************************************************************
+ * This file is part of the "https://github.com/blackmatov/meta.hpp"
+ * For conditions of distribution and use, see copyright notice in LICENSE.md
+ * Copyright (C) 2021, by Matvey Cherevko (blackmatov@gmail.com)
+ ******************************************************************************/
+
+#pragma once
+
+#include "../../meta_tests.hpp"

untests/features/registry/registry_tests.cpp

@@ -0,0 +1,70 @@
+/*******************************************************************************
+ * This file is part of the "https://github.com/blackmatov/meta.hpp"
+ * For conditions of distribution and use, see copyright notice in LICENSE.md
+ * Copyright (C) 2021, by Matvey Cherevko (blackmatov@gmail.com)
+ ******************************************************************************/
+
+#include "_registry_fwd.hpp"
+
+namespace
+{
+    using namespace meta_hpp;
+    using namespace std::string_literals;
+}
+
+namespace
+{
+    struct ivec2 {
+        int x{};
+        int y{};
+
+        [[maybe_unused]] ivec2() = default;
+        [[maybe_unused]] explicit ivec2(int v): x{v}, y{v} {}
+        [[maybe_unused]] ivec2(int x, int y): x{x}, y{y} {}
+    };
+}
+
+TEST_CASE("features/registry/registry") {
+    auto db = registry{}(
+        namespace_{"vmath"}(data_{"info", "vmath namespace"},
+            class_<ivec2>{"ivec2"}(data_{"info", "ivec2 class"},
+                ctor_<>{},
+                ctor_<int>{},
+                ctor_<int, int>{},
+                member_{"x", &ivec2::x}(data_{"info", "x-coord"}),
+                member_{"y", &ivec2::y}(data_{"info", "y-coord"})
+            )
+        )
+    );
+
+    {
+        const namespace_info vmath_info = db.get_namespace_by_path("vmath");
+        REQUIRE(vmath_info);
+        CHECK(vmath_info.name() == "vmath");
+        CHECK(vmath_info.get_data_by_name("info"));
+
+        const class_info ivec2_info = vmath_info.get_class_by_name("ivec2");
+        REQUIRE(ivec2_info);
+        CHECK(ivec2_info.name() == "ivec2");
+        CHECK(ivec2_info.get_data_by_name("info"));
+
+        const member_info ivec2_x_info = ivec2_info.get_member_by_name("x");
+        REQUIRE(ivec2_x_info);
+        CHECK(ivec2_x_info.name() == "x");
+        CHECK(ivec2_x_info.get_data_by_name("info"));
+    }
+
+    {
+        const class_info ivec2_info = db.get_class_by_path("vmath::ivec2");
+        REQUIRE(ivec2_info);
+        CHECK(ivec2_info.name() == "ivec2");
+
+        const member_info ivec2_x_info = db.get_member_by_path("vmath::ivec2::x");
+        REQUIRE(ivec2_x_info);
+        CHECK(ivec2_x_info.name() == "x");
+
+        const data_info ivec2_x_data_info = db.get_data_by_path("vmath::ivec2::x::info");
+        REQUIRE(ivec2_x_data_info);
+        CHECK(ivec2_x_data_info.name() == "info");
+    }
+}