PathManager.hpp

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#pragma once
#include <filesystem>
#include <unordered_map>
 
namespace Cori {
    namespace Core {
        class Application;
    }
 
    namespace FileSystem {
        class PathManager {
        public:
            static std::filesystem::path GetAliasedPath(const std::string& alias);

            static std::filesystem::path GetAliasedPath(const std::string_view alias);

            static std::filesystem::path GetAliasedPath(const char* alias);
 
        private:
            PathManager();
 
            static PathManager& Get() {
                static PathManager s_Instance;
                return s_Instance;
            }
 
            friend Core::Application;
 
            struct TransparentHash {
                using is_transparent = void;
 
                size_t operator()(std::string_view sv) const noexcept {
                    return std::hash<std::string_view>{}(sv);
                }
            };
 
            struct TransparentEqual {
                using is_transparent = void;
 
                bool operator()(std::string_view lhs, std::string_view rhs) const noexcept {
                    return lhs == rhs;
                }
            };
 
            std::unordered_map<std::string, std::filesystem::path, TransparentHash, TransparentEqual> m_AliasedPaths;
        };
    }
}