58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/*
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open source routing machine
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Copyright (C) Dennis Luxen, others 2010
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU AFFERO General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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or see http://www.gnu.org/licenses/agpl.txt.
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*/
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#ifndef LUAUTIL_H_
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#define LUAUTIL_H_
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extern "C" {
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#include <lua.h>
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#include <lauxlib.h>
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#include <lualib.h>
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}
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#include <boost/filesystem/convenience.hpp>
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#include <luabind/luabind.hpp>
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#include <iostream>
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#include <string>
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template<typename T>
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void LUA_print(T number) {
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std::cout << "[LUA] " << number << std::endl;
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}
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// Check if the lua function <name> is defined
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inline bool lua_function_exists(lua_State* lua_state, const char* name) {
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luabind::object g = luabind::globals(lua_state);
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luabind::object func = g[name];
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return func && (luabind::type(func) == LUA_TFUNCTION);
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}
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// Add the folder contain the script to the lua load path, so script can easily require() other lua scripts inside that folder, or subfolders.
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// See http://lua-users.org/wiki/PackagePath for details on the package.path syntax.
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inline void luaAddScriptFolderToLoadPath(lua_State* myLuaState, const char* fileName) {
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const boost::filesystem::path profilePath( fileName );
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std::string folder = profilePath.parent_path().string();
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//TODO: This code is most probably not Windows safe since it uses UNIX'ish path delimiters
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const std::string luaCode = "package.path = \"" + folder + "/?.lua;profiles/?.lua;\" .. package.path";
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luaL_dostring( myLuaState, luaCode.c_str() );
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}
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#endif /* LUAUTIL_H_ */
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