xirc: move ChannelStatus over

irc.go

@@ -185,26 +185,6 @@ func (cm channelModes) Format() (modeString string, parameters []string) {
 
 const stdChannelTypes = "#&+!"
 
-type channelStatus byte
-
-const (
-	channelPublic  channelStatus = '='
-	channelSecret  channelStatus = '@'
-	channelPrivate channelStatus = '*'
-)
-
-func parseChannelStatus(s string) (channelStatus, error) {
-	if len(s) > 1 {
-		return 0, fmt.Errorf("invalid channel status %q: more than one character", s)
-	}
-	switch cs := channelStatus(s[0]); cs {
-	case channelPublic, channelSecret, channelPrivate:
-		return cs, nil
-	default:
-		return 0, fmt.Errorf("invalid channel status %q: unknown status", s)
-	}
-}
-
 type membership struct {
 	Mode   byte
 	Prefix byte

upstream.go

@@ -77,7 +77,7 @@ type upstreamChannel struct {
 	Topic        string
 	TopicWho     *irc.Prefix
 	TopicTime    time.Time
-	Status       channelStatus
+	Status       xirc.ChannelStatus
 	modes        channelModes
 	creationTime string
 	Members      membershipsCasemapMap
@@ -1353,7 +1353,7 @@ func (uc *upstreamConn) handleMessage(ctx context.Context, msg *irc.Message) err
 			return nil
 		}
 
-		status, err := parseChannelStatus(statusStr)
+		status, err := xirc.ParseChannelStatus(statusStr)
 		if err != nil {
 			return err
 		}

xirc/xirc.go

@@ -2,6 +2,7 @@
 package xirc
 
 import (
+	"fmt"
 	"strings"
 	"time"
 
@@ -60,3 +61,23 @@ func ParseCTCPMessage(msg *irc.Message) (cmd string, params string, ok bool) {
 
 	return cmd, params, true
 }
+
+type ChannelStatus byte
+
+const (
+	ChannelPublic  ChannelStatus = '='
+	ChannelSecret  ChannelStatus = '@'
+	ChannelPrivate ChannelStatus = '*'
+)
+
+func ParseChannelStatus(s string) (ChannelStatus, error) {
+	if len(s) > 1 {
+		return 0, fmt.Errorf("invalid channel status %q: more than one character", s)
+	}
+	switch cs := ChannelStatus(s[0]); cs {
+	case ChannelPublic, ChannelSecret, ChannelPrivate:
+		return cs, nil
+	default:
+		return 0, fmt.Errorf("invalid channel status %q: unknown status", s)
+	}
+}