public static LuaValue GetKeyValue(LuaValue baseValue, LuaValue key)
{
LuaTable table = baseValue as LuaTable;
if (table != null)
{
return(table.GetValue(key));
}
else
{
LuaUserdata userdata = baseValue as LuaUserdata;
if (userdata != null)
{
if (userdata.MetaTable != null)
{
LuaValue index = userdata.MetaTable.GetValue("__index");
if (index != null)
{
LuaFunction func = index as LuaFunction;
if (func != null)
{
return(func.Invoke(new LuaValue[] { baseValue, key }));
}
else
{
return(GetKeyValue(index, key));
}
}
}
}
//[PixelCrushers] Changed wording:
throw new Exception(string.Format("Lookup of field '{0}' in the table element failed because the table element itself isn't in the table.", key.Value));
}
}
public static LuaValue GetKeyValue(LuaValue baseValue, LuaValue key)
{
LuaTable table = baseValue as LuaTable;
if (table != null)
{
return(table.GetValue(key));
}
else
{
LuaUserdata userdata = baseValue as LuaUserdata;
if (userdata != null)
{
if (userdata.MetaTable != null)
{
LuaValue index = userdata.MetaTable.GetValue("__index");
if (index != null)
{
LuaFunction func = index as LuaFunction;
if (func != null)
{
return(func.Invoke(new LuaValue[] { baseValue, key }));
}
else
{
return(GetKeyValue(index, key));
}
}
}
}
throw new Exception(string.Format("Access field '{0}' from not a table.", key.Value));
}
}
private static void SetKeyValue(LuaValue baseValue, LuaValue key, LuaValue value)
{
LuaValue newIndex = LuaNil.Nil;
LuaTable table = baseValue as LuaTable;
if (table != null)
{
if (table.ContainsKey(key))
{
table.SetKeyValue(key, value);
return;
}
else
{
if (table.MetaTable != null)
{
newIndex = table.MetaTable.GetValue("__newindex");
}
if (newIndex == LuaNil.Nil)
{
table.SetKeyValue(key, value);
return;
}
}
}
else
{
LuaUserdata userdata = baseValue as LuaUserdata;
if (userdata != null)
{
if (userdata.MetaTable != null)
{
newIndex = userdata.MetaTable.GetValue("__newindex");
}
if (newIndex == LuaNil.Nil)
{
throw new Exception("Assign field of userdata without __newindex defined.");
}
}
}
LuaFunction func = newIndex as LuaFunction;
if (func != null)
{
func.Invoke(new LuaValue[] { baseValue, key, value });
}
else
{
SetKeyValue(newIndex, key, value);
}
}
