Manifest.h

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// Copyright (c) 2025 Dave R. Smith. All rights reserved.
// Malena Framework — Proprietary Software. See LICENSE for terms.
 
#ifndef MALENA_MANIFEST_H
#define MALENA_MANIFEST_H
 
#pragma once
 
#include <Malena/Core/malena_export.h>
#include <unordered_map>
#include <memory>
#include <string>
#include <type_traits>
#include <Malena/Utilities/EnumClassHash.h>
#include <Malena/Manifests/ThemeTag.h>
 
namespace ml
{
    class MALENA_API Manifest
    {
    public:
        // ── Retrieval ─────────────────────────────────────────────────────────
 
        template<typename Asset>
        static const std::string& getFilepath(const Asset& asset);
 
        template<typename ConfigType, typename ValueType>
        static const ValueType& getConfig(ConfigType config);

        template<typename EnumType>
        static const ThemeTag& getTheme(EnumType key);
 
    protected:
        // ── Registration ──────────────────────────────────────────────────────

        template<typename EnumType>
        static void set(EnumType key, const char* filepath);

        template<typename EnumType>
        static void set(EnumType key, std::string value);

        template<typename EnumType, typename ValueType>
        static std::enable_if_t<
            !std::is_same_v<std::decay_t<ValueType>, const char*> &&
            !std::is_same_v<std::decay_t<ValueType>, std::string> &&
            !std::is_base_of_v<ThemeTag, std::decay_t<ValueType>>
        >
        set(EnumType key, ValueType&& value);

        template<typename EnumType, typename T>
        static std::enable_if_t<std::is_base_of_v<ThemeTag, std::decay_t<T>>>
        set(EnumType key, T&& value);

        template<typename E, typename V, typename... Args>
        static void set(E key, V&& value, Args&&... args);
 
    private:
        template<typename Asset>
        static std::unordered_map<Asset, std::string, EnumClassHash>& getFilePaths();
 
        template<typename ConfigType, typename ValueType>
        static auto& getConfigs();
 
        template<typename EnumType>
        static auto& getThemes();
    };
 
} // namespace ml
 
#include "../../../src/Manifests/Manifest.tpp"
#endif // MALENA_MANIFEST_H