This is the v1 version, had the v2 before.

responses/responses.go

@@ -0,0 +1,35 @@
+// IMAP responses defined in RFC 3501.
+package responses
+
+import (
+	"errors"
+
+	"github.com/emersion/go-imap"
+)
+
+// ErrUnhandled is used when a response hasn't been handled.
+var ErrUnhandled = errors.New("imap: unhandled response")
+
+var errNotEnoughFields = errors.New("imap: not enough fields in response")
+
+// Handler handles responses.
+type Handler interface {
+	// Handle processes a response. If the response cannot be processed,
+	// ErrUnhandledResp must be returned.
+	Handle(resp imap.Resp) error
+}
+
+// HandlerFunc is a function that handles responses.
+type HandlerFunc func(resp imap.Resp) error
+
+// Handle implements Handler.
+func (f HandlerFunc) Handle(resp imap.Resp) error {
+	return f(resp)
+}
+
+// Replier is a Handler that needs to send raw data (for instance
+// AUTHENTICATE).
+type Replier interface {
+	Handler
+	Replies() <-chan []byte
+}