Initial QSfera import

Server/vendor/github.com/Azure/go-ansiterm/osc_string_state.go

@@ -0,0 +1,23 @@
+package ansiterm
+
+type oscStringState struct {
+	baseState
+}
+
+func (oscState oscStringState) Handle(b byte) (s state, e error) {
+	oscState.parser.logf("OscString::Handle %#x", b)
+	nextState, err := oscState.baseState.Handle(b)
+	if nextState != nil || err != nil {
+		return nextState, err
+	}
+
+	// There are several control characters and sequences which can
+	// terminate an OSC string. Most of them are handled by the baseState
+	// handler. The ANSI_BEL character is a special case which behaves as a
+	// terminator only for an OSC string.
+	if b == ANSI_BEL {
+		return oscState.parser.ground, nil
+	}
+
+	return oscState, nil
+}