luacallback.h

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//       _________ __                 __
//      /   _____//  |_____________ _/  |______     ____  __ __  ______
//      \_____  \\   __\_  __ \__  \\   __\__  \   / ___\|  |  \/  ___/
//      /        \|  |  |  | \// __ \|  |  / __ \_/ /_/  >  |  /\___ |
//     /_______  /|__|  |__|  (____  /__| (____  /\___  /|____//____  >
//             \/                  \/          \//_____/            \/
//  ______________________                           ______________________
//                        T H E   W A R   B E G I N S
//         Stratagus - A free fantasy real time strategy game engine
//
//
//      (c) Copyright 2008 by Francois Beerten
//
//      This program is free software; you can redistribute it and/or modify
//      it under the terms of the GNU General Public License as published by
//      the Free Software Foundation; only version 2 of the License.
//
//      This program is distributed in the hope that it will be useful,
//      but WITHOUT ANY WARRANTY; without even the implied warranty of
//      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//      GNU General Public License for more details.
//
//      You should have received a copy of the GNU General Public License
//      along with this program; if not, write to the Free Software
//      Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
//      02111-1307, USA.
 
#ifndef LUA_CALLBACK_HEADER_FILE
#define LUA_CALLBACK_HEADER_FILE
 
#include <map>
#include <string>
#include <vector>
#include <utility>
#include <variant>
 
typedef int lua_Object; // from tolua++.h
struct lua_State;
 
class LuaCallback
{
public:
        LuaCallback(lua_State *lua, lua_Object luaref);
        ~LuaCallback();
        void pushPreamble();
        void pushInteger(int value);
        void pushIntegers(const std::vector<int> &values);
        void pushString(const std::string &eventId);
        void pushTable(std::initializer_list<std::pair<std::string, std::variant<std::string, int>>> list);
        void pushTable(std::map<std::string, std::variant<std::string, int>> map);
        void run(int results = 0);
        bool popBoolean();
        int popInteger();
private:
        lua_State *luastate;
        int luaref;
        int arguments;
        int rescount;
        int base;
};
 
#endif