initial commit

internal/tui/helpers.go

@@ -0,0 +1,53 @@
+package tui
+
+import (
+	"fmt"
+	"regexp"
+	"snitch/internal/collector"
+	"strings"
+)
+
+func truncate(s string, max int) string {
+	if len(s) <= max {
+		return s
+	}
+	if max <= 2 {
+		return s[:max]
+	}
+	return s[:max-1] + "…"
+}
+
+var ansiRegex = regexp.MustCompile(`\x1b\[[0-9;]*m`)
+
+func stripAnsi(s string) string {
+	return ansiRegex.ReplaceAllString(s, "")
+}
+
+func containsIgnoreCase(s, substr string) bool {
+	return strings.Contains(strings.ToLower(s), strings.ToLower(substr))
+}
+
+func sortFieldLabel(f collector.SortField) string {
+	switch f {
+	case collector.SortByLport:
+		return "port"
+	case collector.SortByProcess:
+		return "proc"
+	case collector.SortByPID:
+		return "pid"
+	case collector.SortByState:
+		return "state"
+	case collector.SortByProto:
+		return "proto"
+	default:
+		return "port"
+	}
+}
+
+func formatRemote(addr string, port int) string {
+	if addr == "" || addr == "*" || port == 0 {
+		return "-"
+	}
+	return fmt.Sprintf("%s:%d", addr, port)
+}
+