splitting the modules

yggdrasil/persistentpeersparser.go

@@ -0,0 +1,64 @@
+package yggdrasil
+
+import (
+	"fmt"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+type ParsedEntry struct {
+	ID      string
+	Proto   string
+	Address string
+	Port    *int // nil если не указан
+}
+
+var entryPattern = regexp.MustCompile(`^([a-fA-F0-9]+)@((?:[a-zA-Z]+://)?(?:\[[^\]]+\]|[^:]+))(?:[:](\d+))?$`)
+
+func ParseEntries(input string) ([]ParsedEntry, error) {
+	entries := strings.Split(input, ",")
+	var result []ParsedEntry
+
+	for _, entry := range entries {
+		entry = strings.TrimSpace(entry)
+		if entry == "" {
+			continue
+		}
+
+		matches := entryPattern.FindStringSubmatch(entry)
+		if matches == nil {
+			return nil, fmt.Errorf("invalid entry: %s", entry)
+		}
+
+		id := matches[1]
+		rawAddr := matches[2]
+		portStr := matches[3]
+
+		proto := ""
+		address := rawAddr
+
+		if strings.Contains(rawAddr, "://") {
+			split := strings.SplitN(rawAddr, "://", 2)
+			proto = split[0]
+			address = split[1]
+		}
+
+		var port *int
+		if portStr != "" {
+			p, err := strconv.Atoi(portStr)
+			if err != nil {
+				return nil, fmt.Errorf("invalid port in entry: %s", entry)
+			}
+			port = &p
+		}
+
+		result = append(result, ParsedEntry{
+			ID:      id,
+			Proto:   proto,
+			Address: address,
+			Port:    port,
+		})
+	}
+	return result, nil
+}