/// <summary>
/// Update the list of bound types on the LuaBindings object.
/// </summary>
protected static void PopulateBoundTypes(LuaBindings luaBindings, SerializedObject so)
{
// Use a temp HashSet to store the list of types.
// The final list is stored as a list of type strings.
HashSet <System.Type> typeSet = new HashSet <System.Type>();
foreach (BoundObject boundObject in luaBindings.BoundObjects)
{
if (boundObject.obj == null)
{
continue;
}
AddAllSubTypes(typeSet, boundObject.obj.GetType());
if (boundObject.component != null)
{
AddAllSubTypes(typeSet, boundObject.component.GetType());
}
}
// Store the final list of types in the luaBindings object
SerializedProperty boundTypesProp = so.FindProperty("boundTypes");
boundTypesProp.ClearArray();
int index = 0;
foreach (System.Type t in typeSet)
{
boundTypesProp.InsertArrayElementAtIndex(index);
SerializedProperty element = boundTypesProp.GetArrayElementAtIndex(index);
element.stringValue = t.AssemblyQualifiedName;
index++;
}
}
/// <summary>
/// Returns a new binding key that is guaranteed to be a valid Lua variable name and
/// not to clash with any existing binding in the list.
/// </summary>
protected virtual string GetUniqueKey(LuaBindings luaBindings, string originalKey, int ignoreIndex = -1)
{
string baseKey = originalKey;
// Only letters and digits allowed
char[] arr = baseKey.Where(c => (char.IsLetterOrDigit(c) || c == '_')).ToArray();
baseKey = new string(arr);
// No leading digits allowed
baseKey = baseKey.TrimStart('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
// No empty keys allowed
if (baseKey.Length == 0)
{
baseKey = "object";
}
// Build a hash of all keys currently in use
HashSet <string> keyhash = new HashSet <string>();
for (int i = 0; i < luaBindings.BoundObjects.Count; ++i)
{
if (i == ignoreIndex)
{
continue;
}
keyhash.Add(luaBindings.BoundObjects[i].key);
}
// Append a suffix to make the key unique
string key = baseKey;
int suffix = 0;
while (keyhash.Contains(key))
{
suffix++;
key = baseKey + suffix;
}
return(key);
}
