1 files changed, 65 insertions, 0 deletions
diff --git a/textproto/types.go b/textproto/types.go
new file mode 100644
index 0000000..2109517
--- /dev/null
+++ b/textproto/types.go
@@ -0,0 +1,65 @@
+package textproto
+
+import (
+	"fmt"
+	"strings"
+	"time"
+)
+
+type UserTime struct {
+	Name  string
+	Email string
+	Time  time.Time
+}
+
+func (ut UserTime) String() string {
+	if ut.Name == "" {
+		return fmt.Sprintf("<%s> %d %s",
+			ut.Name,
+			ut.Email,
+			ut.Time.Unix(),
+			ut.Time.Format("-0700"))
+	} else {
+		return fmt.Sprintf("%s <%s> %d %s",
+			ut.Name,
+			ut.Email,
+			ut.Time.Unix(),
+			ut.Time.Format("-0700"))
+	}
+}
+
+type Mode uint32 // 18 bits
+
+var (
+	ModeFil = Mode(0100644)
+	ModeExe = Mode(0100755)
+	ModeSym = Mode(0120000)
+	ModeGit = Mode(0160000)
+	ModeDir = Mode(0040000)
+)
+
+func (m Mode) String() string {
+	return fmt.Sprintf("%06o", m)
+}
+
+func PathEscape(path Path) string {
+	if strings.HasPrefix(string(path), "\"") || strings.ContainsRune(string(path), '\n') {
+		return "\"" + strings.Replace(strings.Replace(strings.Replace(string(path), "\\", "\\\\", -1), "\"", "\\\"", -1), "\n", "\\n", -1) + "\""
+	} else {
+		return string(path)
+	}
+}
+
+func PathUnescape(epath string) Path {
+	if strings.HasPrefix(epath, "\"") {
+		return Path(strings.Replace(strings.Replace(strings.Replace(epath[1:len(epath)-1], "\\n", "\n", -1), "\\\"", "\"", -1), "\\\\", "\\", -1))
+	} else {
+		return Path(epath)
+	}
+}
+
+type Path string
+
+func (p Path) String() string {
+	return PathEscape(p)
+}