luabindhelper.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * This code is based on Broken Sword 2.5 engine
 *
 * Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsdoerfer
 *
 * Licensed under GNU GPL v2
 *
 */

#ifndef SWORD25_LUABINDHELPER_H
#define SWORD25_LUABINDHELPER_H

#include "sword25/kernel/common.h"

#include "common/lua/lua.h"
#include "common/lua/lauxlib.h"

namespace Sword25 {

#define lua_pushbooleancpp(L, b) (lua_pushboolean(L, b ? 1 : 0))
#define lua_tobooleancpp(L, i) (lua_toboolean(L, i) != 0)

struct lua_constant_reg {
    const char     *Name;
    lua_Number      Value;
};

class LuaBindhelper {
public:
    static bool addFunctionsToLib(lua_State *L, const Common::String &libName, const luaL_reg *functions);

    static bool addConstantsToLib(lua_State *L, const Common::String &libName, const lua_constant_reg *constants);

    static bool addMethodsToClass(lua_State *L, const Common::String &className, const luaL_reg *methods);

    static bool setClassGCHandler(lua_State *L, const Common::String &className, lua_CFunction GCHandler);

    static Common::String stackDump(lua_State *L);

    static Common::String tableDump(lua_State *L);

    static bool getMetatable(lua_State *L, const Common::String &tableName);

    static void *my_checkudata(lua_State *L, int ud, const char *tname);

private:
    static bool createTable(lua_State *L, const Common::String &tableName);
};

} // End of namespace Sword25

#endif