Simple roundtrip from ipptool works.

packages/ipp/keyword.go

@@ -0,0 +1,45 @@
+package ipp
+
+import "io"
+
+type keyWord struct {
+	name   string
+	values []string
+}
+
+func newKeyWord() *keyWord {
+	k := new(keyWord)
+	return k
+}
+
+func (k *keyWord) string() string {
+	return "a uriValue"
+}
+func (k *keyWord) valueTag() tag {
+	return keyWordValueTag
+}
+
+func (k *keyWord) unmarshal(byteStream io.Reader) {
+
+}
+
+func (k *keyWord) marshal() []byte {
+	return []byte{}
+}
+
+func (k *keyWord) addValue(v string) {
+	k.values = append(k.values, v)
+}
+
+func (k *keyWord) size() int {
+	l := 1 + 2 // The value tag (0x44) + name-length field (2 bytes)
+	l += len(k.name)
+	l += 2 // value-length field (2 bytes)
+	l += len(k.values[0])
+	// Add all additional values
+	for _, v := range k.values[1:] {
+		l += 1 + 4 // The value tag (0x44) + 2 length fields (2 bytes)
+		l += len(v)
+	}
+	return l
+}