39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
#ifndef LUA_UTIL_HPP
|
|
#define LUA_UTIL_HPP
|
|
|
|
extern "C" {
|
|
#include <lua.h>
|
|
#include <lauxlib.h>
|
|
#include <lualib.h>
|
|
}
|
|
|
|
#include <boost/filesystem/convenience.hpp>
|
|
#include <luabind/luabind.hpp>
|
|
|
|
#include <iostream>
|
|
#include <string>
|
|
|
|
template <typename T> void LUA_print(T output) { std::cout << "[LUA] " << output << std::endl; }
|
|
|
|
// Check if the lua function <name> is defined
|
|
inline bool lua_function_exists(lua_State *lua_state, const char *name)
|
|
{
|
|
luabind::object globals_table = luabind::globals(lua_state);
|
|
luabind::object lua_function = globals_table[name];
|
|
return lua_function && (luabind::type(lua_function) == LUA_TFUNCTION);
|
|
}
|
|
|
|
// Add the folder contain the script to the lua load path, so script can easily require() other lua
|
|
// scripts inside that folder, or subfolders.
|
|
// See http://lua-users.org/wiki/PackagePath for details on the package.path syntax.
|
|
inline void luaAddScriptFolderToLoadPath(lua_State *lua_state, const char *file_name)
|
|
{
|
|
boost::filesystem::path profile_path = boost::filesystem::canonical(file_name);
|
|
std::string folder = profile_path.parent_path().string();
|
|
// TODO: This code is most probably not Windows safe since it uses UNIX'ish path delimiters
|
|
const std::string lua_code = "package.path = \"" + folder + "/?.lua;\" .. package.path";
|
|
luaL_dostring(lua_state, lua_code.c_str());
|
|
}
|
|
|
|
#endif // LUA_UTIL_HPP
|