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/*
 * Copyright (c) 2013-2016 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */

#pragma once

#include <string>
#include <vector>

#include <lua.hpp>

#include <Swiften/Base/Override.h>

namespace Swift {
    namespace Lua {
        class FunctionRegistry {
            public:
                ~FunctionRegistry();
                static FunctionRegistry& getInstance();

                void addFunction(const std::string& name, lua_CFunction function, const std::string& type,
                        const std::string& helpDescription, const std::string& helpParameters, const std::string& helpOptions);

                void createFunctionTable(lua_State* L, const std::string& type);

                /**
                 * Adds the functions to the table on the top of the stack.
                 */
                void addFunctionsToTable(lua_State* L, const std::string& type);

            private:
                FunctionRegistry();


            private:
                struct Registration {
                    std::string name;
                    lua_CFunction function;
                    std::string type;
                    std::string helpDescription;
                    std::string helpParameters;
                    std::string helpOptions;
                };
                std::vector<Registration> registrations;
        };
    }
}