index : minetest.git	gpcf lifo-fixes release
	modified minetest for gpcfs purposes	gpcf

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path: root/src/client/inputhandler.h

	Commit message (Expand)	Author	Age
*	Fix keyWasDown in input handler	sfan5	2021-02-23
*	Fix some more joystick issues (#10624)	Markus	2020-12-19
*	Revert "Replace MyEventReceiver KeyList with std::unordered_set" (#10622)	SmallJoker	2020-11-12
*	Replace MyEventReceiver KeyList with std::unordered_set (#10419)	Vincent Robinson	2020-09-23
*	Allow binding dig, place actions to keys; remove LMB/RMB hardcoding	ANAND	2020-08-15
*	Cleanup ClientLauncher structure (#10160)	SmallJoker	2020-07-14
*	Game refactor [4/X]: keycache is now owned by InputHandler	Loic Blot	2018-01-20
*	Game refactor [3/X]: Move keycache to inputhandler	Loic Blot	2018-01-20
*	Game/Input refactor [1/X]: make RealInputHandler handle joystick inputs with ...	Loic Blot	2018-01-20
*	Move files to subdirectories (#6599)	Vitaliy	2017-11-08
*	C++ modernize: Pragma once (#6264)	Loïc Blot	2017-08-17
*	Cleanup various headers to reduce compilation times (#6255)	Loïc Blot	2017-08-16
*	Modernize client code (#6250)	Loïc Blot	2017-08-15
*	Isolate irrlicht references and use a singleton (#6041)	Loïc Blot	2017-06-26
*	C++11 cleanup on constructors dir client (#6012)	Vincent Glize	2017-06-21
*	Move KeyList & InputHandler from game.h to client/inputhandler.h (#5752)	Loïc Blot	2017-05-13
*	Initial Gamepad support	est31	2016-06-03
*	Tell irrlicht if we handle a key or not.	est31	2016-05-26
*	Refactor logging	ShadowNinja	2015-10-14
*	Misc. minor fixes	kwolekr	2015-07-10
*	Use minetest logging facilities for irrlicht log output	ShadowNinja	2015-07-05
*	main.cpp rework * Move ClientLauncher class to a dedicated file * ClientLaunc...	Loic Blot	2015-02-12

generated by cgit v1.2.3 (git 2.39.1) at 2025-01-31 17:30:39 +0000

/*
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.
*/

#include "lua_api/l_settings.h"
#include "lua_api/l_internal.h"
#include "cpp_api/s_security.h"
#include "settings.h"
#include "noise.h"
#include "log.h"


#define SET_SECURITY_CHECK(L, name) \
	if (o->m_settings == g_settings && ScriptApiSecurity::isSecure(L) && \
			name.compare(0, 7, "secure.") == 0) { \
		throw LuaError("Attempt to set secure setting."); \
	}

LuaSettings::LuaSettings(Settings *settings, const std::string &filename) :
	m_settings(settings),
	m_filename(filename)
{
}

LuaSettings::LuaSettings(const std::string &filename, bool write_allowed) :
	m_filename(filename),
	m_is_own_settings(true),
	m_write_allowed(write_allowed)
{
	m_settings = new Settings();
	m_settings->readConfigFile(filename.c_str());
}

LuaSettings::~LuaSettings()
{
	if (m_is_own_settings)
		delete m_settings;
}


void LuaSettings::create(lua_State *L, Settings *settings,
		const std::string &filename)
{
	LuaSettings *o = new LuaSettings(settings, filename);
	*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
	luaL_getmetatable(L, className);
	lua_setmetatable(L, -2);
}


// garbage collector
int LuaSettings::gc_object(lua_State* L)
{
	LuaSettings* o = *(LuaSettings **)(lua_touserdata(L, 1));
	delete o;
	return 0;
}


// get(self, key) -> value
int LuaSettings::l_get(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings* o = checkobject(L, 1);

	std::string key = std::string(luaL_checkstring(L, 2));
	if (o->m_settings->exists(key)) {
		std::string value = o->m_settings->get(key);
		lua_pushstring(L, value.c_str());
	} else {
		lua_pushnil(L);
	}

	return 1;
}

// get_bool(self, key) -> boolean
int LuaSettings::l_get_bool(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings* o = checkobject(L, 1);

	std::string key = std::string(luaL_checkstring(L, 2));
	if (o->m_settings->exists(key)) {
		bool value = o->m_settings->getBool(key);
		lua_pushboolean(L, value);
	} else {
		// Push default value
		if (lua_isboolean(L, 3))
			lua_pushboolean(L, readParam<bool>(L, 3));
		else
			lua_pushnil(L);
	}

	return 1;
}

// get_np_group(self, key) -> value
int LuaSettings::l_get_np_group(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings *o = checkobject(L, 1);

	std::string key = std::string(luaL_checkstring(L, 2));
	if (o->m_settings->exists(key)) {
		NoiseParams np;
		o->m_settings->getNoiseParams(key, np);
		push_noiseparams(L, &np);
	} else {
		lua_pushnil(L);
	}

	return 1;
}

// set(self, key, value)
int LuaSettings::l_set(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings* o = checkobject(L, 1);

	std::string key = std::string(luaL_checkstring(L, 2));
	const char* value = luaL_checkstring(L, 3);

	SET_SECURITY_CHECK(L, key);

	if (!o->m_settings->set(key, value))
		throw LuaError("Invalid sequence found in setting parameters");

	return 0;
}

// set_bool(self, key, value)
int LuaSettings::l_set_bool(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings* o = checkobject(L, 1);

	std::string key = std::string(luaL_checkstring(L, 2));
	bool value = readParam<bool>(L, 3);

	SET_SECURITY_CHECK(L, key);

	o->m_settings->setBool(key, value);

	return 1;
}

// set(self, key, value)
int LuaSettings::l_set_np_group(lua_State *L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings *o = checkobject(L, 1);

	std::string key = std::string(luaL_checkstring(L, 2));
	NoiseParams value;
	read_noiseparams(L, 3, &value);

	SET_SECURITY_CHECK(L, key);

	o->m_settings->setNoiseParams(key, value, false);

	return 0;
}

// remove(self, key) -> success
int LuaSettings::l_remove(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings* o = checkobject(L, 1);

	std::string key = std::string(luaL_checkstring(L, 2));

	SET_SECURITY_CHECK(L, key);

	bool success = o->m_settings->remove(key);
	lua_pushboolean(L, success);

	return 1;
}

// get_names(self) -> {key1, ...}
int LuaSettings::l_get_names(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings* o = checkobject(L, 1);

	std::vector<std::string> keys = o->m_settings->getNames();

	lua_newtable(L);
	for (unsigned int i=0; i < keys.size(); i++)
	{
		lua_pushstring(L, keys[i].c_str());
		lua_rawseti(L, -2, i + 1);
	}

	return 1;
}

// write(self) -> success
int LuaSettings::l_write(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings* o = checkobject(L, 1);

	if (!o->m_write_allowed) {
		throw LuaError("Settings: writing " + o->m_filename +
				" not allowed with mod security on.");
	}

	bool success = o->m_settings->updateConfigFile(o->m_filename.c_str());
	lua_pushboolean(L, success);

	return 1;
}

// to_table(self) -> {[key1]=value1,...}
int LuaSettings::l_to_table(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	LuaSettings* o = checkobject(L, 1);

	std::vector<std::string> keys = o->m_settings->getNames();

	lua_newtable(L);
	for (const std::string &key : keys) {
		lua_pushstring(L, o->m_settings->get(key).c_str());
		lua_setfield(L, -2, key.c_str());
	}

	return 1;
}


void LuaSettings::Register(lua_State* L)
{
	lua_newtable(L);
	int methodtable = lua_gettop(L);
	luaL_newmetatable(L, className);
	int metatable = lua_gettop(L);

	lua_pushliteral(L, "__metatable");
	lua_pushvalue(L, methodtable);
	lua_settable(L, metatable);  // hide metatable from Lua getmetatable()

	lua_pushliteral(L, "__index");
	lua_pushvalue(L, methodtable);
	lua_settable(L, metatable);

	lua_pushliteral(L, "__gc");
	lua_pushcfunction(L, gc_object);
	lua_settable(L, metatable);

	lua_pop(L, 1);  // drop metatable

	luaL_openlib(L, 0, methods, 0);  // fill methodtable
	lua_pop(L, 1);  // drop methodtable

	// Can be created from Lua (Settings(filename))
	lua_register(L, className, create_object);
}

// LuaSettings(filename)
// Creates a LuaSettings and leaves it on top of the stack
int LuaSettings::create_object(lua_State* L)
{
	NO_MAP_LOCK_REQUIRED;
	bool write_allowed = true;
	const char* filename = luaL_checkstring(L, 1);
	CHECK_SECURE_PATH_POSSIBLE_WRITE(L, filename, &write_allowed);
	LuaSettings* o = new LuaSettings(filename, write_allowed);
	*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
	luaL_getmetatable(L, className);
	lua_setmetatable(L, -2);
	return 1;
}

LuaSettings* LuaSettings::checkobject(lua_State* L, int narg)
{
	NO_MAP_LOCK_REQUIRED;
	luaL_checktype(L, narg, LUA_TUSERDATA);
	void *ud = luaL_checkudata(L, narg, className);
	if (!ud)
		luaL_typerror(L, narg, className);
	return *(LuaSettings**) ud;  // unbox pointer
}

const char LuaSettings::className[] = "Settings";
const luaL_Reg LuaSettings::methods[] = {
	luamethod(LuaSettings, get),
	luamethod(LuaSettings, get_bool),
	luamethod(LuaSettings, get_np_group),
	luamethod(LuaSettings, set),
	luamethod(LuaSettings, set_bool),
	luamethod(LuaSettings, set_np_group),
	luamethod(LuaSettings, remove),
	luamethod(LuaSettings, get_names),
	luamethod(LuaSettings, write),
	luamethod(LuaSettings, to_table),
	{0,0}
};