public object Get(string path)
{
int oldTop = LuaLib.lua_gettop(L);
LuaLib.lua_pushvalue(L, LuaIndices.LUA_GLOBALSINDEX); // |_G
int startPos = 0;
int pos;
do
{
pos = path.IndexOf('.', startPos);
if (pos < 0)
{
pos = path.Length;
}
string key = path.Substring(startPos, pos - startPos);
LuaLib.lua_pushstring(L, key); // |_G|v1|...|vn-1|kn
LuaLib.lua_rawget(L, -2); // |_G|v1|...|vn-1|vn
startPos = pos + 1;
} while(startPos < path.Length && !LuaLib.lua_isnil(L, -1));
object o = ToObject(-1);
LuaLib.lua_settop(L, oldTop); // |
return(o);
}
protected void _SetValue(string key, object value)
{
IntPtr L = _LuaState.L;
int oldTop = LuaLib.lua_gettop(L);
Push(); // |t
_LuaState.PushObject(value); // |t|v
LuaLib.lua_setfield(L, -2, key); // |t // t.k = v
LuaLib.lua_settop(L, oldTop); // |
}
protected void _SetValue(int key, object value)
{
IntPtr L = _LuaState.L;
int oldTop = LuaLib.lua_gettop(L);
Push(); // |t
_LuaState.PushObject(value); // |t|v
LuaLib.lua_rawseti(L, -2, key); // |t // t[k] = v
LuaLib.lua_settop(L, oldTop); // |
}
protected object _GetValue(int key)
{
IntPtr L = _LuaState.L;
int oldTop = LuaLib.lua_gettop(L);
Push(); // |t
LuaLib.lua_rawgeti(L, -1, key); // |t|v
object value = _LuaState.ToObject(-1); // |v
LuaLib.lua_settop(L, oldTop); // |
return(value);
}
protected object _GetValue(string key)
{
IntPtr L = _LuaState.L;
int oldTop = LuaLib.lua_gettop(L);
Push(); // |t
LuaLib.lua_pushstring(L, key); // |t|k
LuaLib.lua_gettable(L, -2); // |v
object value = _LuaState.ToObject(-1); // |v
LuaLib.lua_settop(L, oldTop); // |
return(value);
}
public object RawGet(string key)
{
IntPtr L = _LuaState.L;
int oldTop = LuaLib.lua_gettop(L);
Push(); // |t
LuaLib.lua_pushstring(L, key); // |t|k
LuaLib.lua_rawget(L, -2); // |v
object value = _LuaState.ToObject(-1); // |v
LuaLib.lua_settop(L, oldTop); // |
return(value);
}
public object[] Call(params object[] args)
{
IntPtr L = _LuaState.L;
int oldTop = LuaLib.lua_gettop(L);
LuaLib.lua_rawgeti(L, LuaIndices.LUA_REGISTRYINDEX, _RefId); // |f
if (args != null)
{
for (int i = 0; i < args.Length; ++i)
{
_LuaState.PushObject(args[i]); // |f|a1|a2|...
}
}
if (LuaLib.lua_pcall(L, args.Length, LuaLib.LUA_MULTRET, 0) != 0) // | or |ret1|ret2|... or |err
{
string error = LuaLib.lua_tostring(L, -1);
LuaLib.lua_settop(L, oldTop); // |
throw new LuaException(error);
}
object[] returnObjects = null;
int currentTop = LuaLib.lua_gettop(L);
if (currentTop != oldTop)
{
var objects = new List <object>();
for (int i = oldTop + 1; i <= currentTop; ++i)
{
objects.Add(_LuaState.ToObject(i));
}
returnObjects = objects.ToArray();
LuaLib.lua_settop(L, oldTop); // |
}
return(returnObjects);
}
// -------------------------------------------------------------------------------------------------------------
// Public interfaces
// -------------------------------------------------------------------------------------------------------------
public object[] DoBuffer(byte[] chunk, string chunkName = "chunk")
{
int oldTop = LuaLib.lua_gettop(L);
if (LuaLib.luaL_loadbuffer(L, chunk, chunk.Length, chunkName) != 0) // |f or |err
{
string error = LuaLib.lua_tostring(L, -1); // |err
LuaLib.lua_settop(L, oldTop); // |
throw new LuaException(error);
}
if (LuaLib.lua_pcall(L, 0, LuaLib.LUA_MULTRET, 0) != 0) // | or |ret1|ret2 or |err
{
string error = LuaLib.lua_tostring(L, -1); // |err
LuaLib.lua_settop(L, oldTop); // |
throw new LuaException(error);
}
int top = LuaLib.lua_gettop(L);
if (top == oldTop)
{
return(null);
}
var objects = new List <object>();
for (int i = oldTop + 1; i <= top; ++i)
{
objects.Add(ToObject(i));
}
LuaLib.lua_pop(L, top - oldTop);
return(objects.ToArray());
}
public void Set(string path, object value)
{
int oldTop = LuaLib.lua_gettop(L);
LuaLib.lua_pushvalue(L, LuaIndices.LUA_GLOBALSINDEX); // |_G
int startPos = 0;
int pos = path.IndexOf('.');
while (pos >= 0)
{
string key = path.Substring(startPos, pos - startPos);
LuaLib.lua_pushstring(L, key); // |_G|k1 or |_G|v1|k2 or |_G|v1|v2|k3 or ...
LuaLib.lua_rawget(L, -2); // |_G|v1 or |_G|v1|v2 or |_G|v1|v2|v3 or ...
if (LuaLib.lua_isnil(L, -1))
{
startPos = path.Length;
break;
}
startPos = pos + 1;
pos = path.IndexOf('.', startPos);
}
if (startPos < path.Length)
{
string key = path.Substring(startPos, path.Length - startPos);
PushObject(value); // |_G|v1|v2|...|vn-1|o
LuaLib.lua_setfield(L, -2, key); // |_G|v1|v2|...|vn-1| // vn-1.kn = o
}
LuaLib.lua_settop(L, oldTop); // |
}
