l_settings.h

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/*
Minetest
Copyright (C) 2013 PilzAdam <pilzadam@minetest.net>
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
 
#pragma once
 
#include "common/c_content.h"
#include "lua_api/l_base.h"
 
class Settings;
 
class LuaSettings : public ModApiBase
{
private:
    static const luaL_Reg methods[];
 
    // garbage collector
    static int gc_object(lua_State *L);
 
    // get(self, key) -> value
    static int l_get(lua_State *L);
 
    // get_bool(self, key) -> boolean
    static int l_get_bool(lua_State *L);
 
    // get_np_group(self, key) -> noiseparam
    static int l_get_np_group(lua_State *L);
 
    // get_flags(self, key) -> key/value table
    static int l_get_flags(lua_State *L);
 
    // set(self, key, value)
    static int l_set(lua_State *L);
 
    // set_bool(self, key, value)
    static int l_set_bool(lua_State *L);
 
    // set_np_group(self, key, value)
    static int l_set_np_group(lua_State *L);
 
    // remove(self, key) -> success
    static int l_remove(lua_State *L);
 
    // get_names(self) -> {key1, ...}
    static int l_get_names(lua_State *L);
 
    // has(self, key) -> boolean
    static int l_has(lua_State *L);
 
    // write(self) -> success
    static int l_write(lua_State *L);
 
    // to_table(self) -> {[key1]=value1,...}
    static int l_to_table(lua_State *L);
 
    Settings *m_settings = nullptr;
    std::string m_filename;
    bool m_is_own_settings = false;
    bool m_write_allowed = true;
 
public:
    LuaSettings(Settings *settings, const std::string &filename);
    LuaSettings(const std::string &filename, bool write_allowed);
    ~LuaSettings();
 
    static void create(lua_State *L, Settings *settings, const std::string &filename);
 
    // LuaSettings(filename)
    // Creates a LuaSettings and leaves it on top of the stack
    static int create_object(lua_State *L);
 
    static void Register(lua_State *L);
 
    static const char className[];
};