Add support for old C1 commands: IND, NEL

Signed-off-by: John Starks <jostarks@microsoft.com>
Azure · Aug 7, 2015 · e009e33 · e009e33
1 parent 5d67ac6
commit e009e33
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Showing 4 changed files with 22 additions and 1 deletion.
diff --git a/event_handler.go b/event_handler.go
@@ -73,6 +73,9 @@ type AnsiEventHandler interface {
 	// Set Top and Bottom Margins
 	DECSTBM(int, int) error
 
+	// Index
+	IND() error
+
 	// Reverse Index
 	RI() error
 

diff --git a/parser_actions.go b/parser_actions.go
@@ -25,7 +25,15 @@ func (ap *AnsiParser) escDispatch() error {
 	logger.Infof("escDispatch: %v(%v)", cmd, intermeds)
 
 	switch cmd {
-	case "M":
+	case "D": // IND
+		return ap.eventHandler.IND()
+	case "E": // NEL, equivalent to CRLF
+		err := ap.eventHandler.Execute(ANSI_CARRIAGE_RETURN)
+		if err == nil {
+			err = ap.eventHandler.Execute(ANSI_LINE_FEED)
+		}
+		return err
+	case "M": // RI
 		return ap.eventHandler.RI()
 	}
 

diff --git a/test_event_handler.go b/test_event_handler.go
@@ -153,6 +153,11 @@ func (h *TestAnsiEventHandler) RI() error {
 	return nil
 }
 
+func (h *TestAnsiEventHandler) IND() error {
+	h.recordCall("IND", nil)
+	return nil
+}
+
 func (h *TestAnsiEventHandler) Flush() error {
 	return nil
 }
diff --git a/winterm/win_event_handler.go b/winterm/win_event_handler.go
@@ -613,6 +613,11 @@ func (h *WindowsAnsiEventHandler) RI() error {
 	}
 }
 
+func (h *WindowsAnsiEventHandler) IND() error {
+	logger.Info("IND: []")
+	return h.executeLF()
+}
+
 func (h *WindowsAnsiEventHandler) Flush() error {
 	h.curInfo = nil
 	if h.buffer.Len() > 0 {