Initial commit

vendor/github.com/emersion/go-imap/responses/expunge.go

@@ -0,0 +1,45 @@
+package responses
+
+import (
+	"github.com/emersion/go-imap"
+)
+
+// An EXPUNGE response.
+// See RFC 3501 section 7.4.1
+type Expunge struct {
+	SeqNums chan uint32
+}
+
+func (r *Expunge) HandleFrom(hdlr imap.RespHandler) error {
+	defer close(r.SeqNums)
+
+	for h := range hdlr {
+		res, ok := h.Resp.(*imap.Resp)
+		if !ok || len(res.Fields) < 3 {
+			h.Reject()
+			continue
+		}
+		if name, ok := res.Fields[1].(string); !ok || name != imap.Expunge {
+			h.Reject()
+			continue
+		}
+		h.Accept()
+
+		seqNum, _ := imap.ParseNumber(res.Fields[0])
+		r.SeqNums <- seqNum
+	}
+
+	return nil
+}
+
+func (r *Expunge) WriteTo(w *imap.Writer) error {
+	for seqNum := range r.SeqNums {
+		res := imap.NewUntaggedResp([]interface{}{seqNum, imap.Expunge})
+
+		if err := res.WriteTo(w); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}