custom_components.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
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 * Copyright(C) 2021-2025                                                    *
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#ifndef VCL_CONCEPTS_MESH_COMPONENTS_CUSTOM_COMPONENTS_H
#define VCL_CONCEPTS_MESH_COMPONENTS_CUSTOM_COMPONENTS_H
 
#include <vclib/concepts/const_correctness.h>
 
#include <string>
 
namespace vcl::comp {
 
template<typename T>
concept HasCustomComponents =
    requires (T&& obj, std::string str, std::vector<std::string> vStr) {
        { obj.hasCustomComponent(str) } -> std::same_as<bool>;
        {
            obj.template isCustomComponentOfType<int>(str)
        } -> std::same_as<bool>;
        { obj.customComponentType(str) } -> std::same_as<std::type_index>;
        {
            obj.template customComponentNamesOfType<int>()
        } -> std::same_as<decltype(vStr)>;
 
        { obj.template customComponent<int>(str) } -> std::convertible_to<int>;
 
        // non const requirements
        requires IsConst<T> || requires {
            { obj.template customComponent<int>(str) } -> std::same_as<int&>;
        };
    };
 
} // namespace vcl::comp
 
#endif // VCL_CONCEPTS_MESH_COMPONENTS_CUSTOM_COMPONENTS_H