From d30d4d2932ea5338ffff9de22901342aeb11f927 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Wed, 22 Jan 2020 10:09:51 +0100
Subject: [PATCH] internal: add helpers for the Overwrite header

---
 internal/internal.go | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/internal/internal.go b/internal/internal.go
index cebbbfa..49e9997 100644
--- a/internal/internal.go
+++ b/internal/internal.go
@@ -45,3 +45,23 @@ func (d Depth) String() string {
 	}
 	panic("webdav: invalid Depth value")
 }
+
+// ParseOverwrite parses an Overwrite header.
+func ParseOverwrite(s string) (bool, error) {
+	switch s {
+	case "T":
+		return true, nil
+	case "F":
+		return false, nil
+	}
+	return false, fmt.Errorf("webdav: invalid Overwrite value")
+}
+
+// FormatOverwrite formats an Overwrite header.
+func FormatOverwrite(overwrite bool) string {
+	if overwrite {
+		return "T"
+	} else {
+		return "F"
+	}
+}