UnityEngine.TextEditor.InitKeyActions C# (CSharp) Method

        private void InitKeyActions()
        {
            if (s_Keyactions == null)
            {
                s_Keyactions = new Dictionary<Event, TextEditOp>();
                MapKey("left", TextEditOp.MoveLeft);
                MapKey("right", TextEditOp.MoveRight);
                MapKey("up", TextEditOp.MoveUp);
                MapKey("down", TextEditOp.MoveDown);
                MapKey("#left", TextEditOp.SelectLeft);
                MapKey("#right", TextEditOp.SelectRight);
                MapKey("#up", TextEditOp.SelectUp);
                MapKey("#down", TextEditOp.SelectDown);
                MapKey("delete", TextEditOp.Delete);
                MapKey("backspace", TextEditOp.Backspace);
                MapKey("#backspace", TextEditOp.Backspace);
                if (SystemInfo.operatingSystemFamily == OperatingSystemFamily.MacOSX)
                {
                    MapKey("^left", TextEditOp.MoveGraphicalLineStart);
                    MapKey("^right", TextEditOp.MoveGraphicalLineEnd);
                    MapKey("&left", TextEditOp.MoveWordLeft);
                    MapKey("&right", TextEditOp.MoveWordRight);
                    MapKey("&up", TextEditOp.MoveParagraphBackward);
                    MapKey("&down", TextEditOp.MoveParagraphForward);
                    MapKey("%left", TextEditOp.MoveGraphicalLineStart);
                    MapKey("%right", TextEditOp.MoveGraphicalLineEnd);
                    MapKey("%up", TextEditOp.MoveTextStart);
                    MapKey("%down", TextEditOp.MoveTextEnd);
                    MapKey("#home", TextEditOp.SelectTextStart);
                    MapKey("#end", TextEditOp.SelectTextEnd);
                    MapKey("#^left", TextEditOp.ExpandSelectGraphicalLineStart);
                    MapKey("#^right", TextEditOp.ExpandSelectGraphicalLineEnd);
                    MapKey("#^up", TextEditOp.SelectParagraphBackward);
                    MapKey("#^down", TextEditOp.SelectParagraphForward);
                    MapKey("#&left", TextEditOp.SelectWordLeft);
                    MapKey("#&right", TextEditOp.SelectWordRight);
                    MapKey("#&up", TextEditOp.SelectParagraphBackward);
                    MapKey("#&down", TextEditOp.SelectParagraphForward);
                    MapKey("#%left", TextEditOp.ExpandSelectGraphicalLineStart);
                    MapKey("#%right", TextEditOp.ExpandSelectGraphicalLineEnd);
                    MapKey("#%up", TextEditOp.SelectTextStart);
                    MapKey("#%down", TextEditOp.SelectTextEnd);
                    MapKey("%a", TextEditOp.SelectAll);
                    MapKey("%x", TextEditOp.Cut);
                    MapKey("%c", TextEditOp.Copy);
                    MapKey("%v", TextEditOp.Paste);
                    MapKey("^d", TextEditOp.Delete);
                    MapKey("^h", TextEditOp.Backspace);
                    MapKey("^b", TextEditOp.MoveLeft);
                    MapKey("^f", TextEditOp.MoveRight);
                    MapKey("^a", TextEditOp.MoveLineStart);
                    MapKey("^e", TextEditOp.MoveLineEnd);
                    MapKey("&delete", TextEditOp.DeleteWordForward);
                    MapKey("&backspace", TextEditOp.DeleteWordBack);
                    MapKey("%backspace", TextEditOp.DeleteLineBack);
                }
                else
                {
                    MapKey("home", TextEditOp.MoveGraphicalLineStart);
                    MapKey("end", TextEditOp.MoveGraphicalLineEnd);
                    MapKey("%left", TextEditOp.MoveWordLeft);
                    MapKey("%right", TextEditOp.MoveWordRight);
                    MapKey("%up", TextEditOp.MoveParagraphBackward);
                    MapKey("%down", TextEditOp.MoveParagraphForward);
                    MapKey("^left", TextEditOp.MoveToEndOfPreviousWord);
                    MapKey("^right", TextEditOp.MoveToStartOfNextWord);
                    MapKey("^up", TextEditOp.MoveParagraphBackward);
                    MapKey("^down", TextEditOp.MoveParagraphForward);
                    MapKey("#^left", TextEditOp.SelectToEndOfPreviousWord);
                    MapKey("#^right", TextEditOp.SelectToStartOfNextWord);
                    MapKey("#^up", TextEditOp.SelectParagraphBackward);
                    MapKey("#^down", TextEditOp.SelectParagraphForward);
                    MapKey("#home", TextEditOp.SelectGraphicalLineStart);
                    MapKey("#end", TextEditOp.SelectGraphicalLineEnd);
                    MapKey("^delete", TextEditOp.DeleteWordForward);
                    MapKey("^backspace", TextEditOp.DeleteWordBack);
                    MapKey("%backspace", TextEditOp.DeleteLineBack);
                    MapKey("^a", TextEditOp.SelectAll);
                    MapKey("^x", TextEditOp.Cut);
                    MapKey("^c", TextEditOp.Copy);
                    MapKey("^v", TextEditOp.Paste);
                    MapKey("#delete", TextEditOp.Cut);
                    MapKey("^insert", TextEditOp.Copy);
                    MapKey("#insert", TextEditOp.Paste);
                }
            }
        }