Add rangeOfInteger attribute.

packages/ipp/rangeofinteger.go

@@ -0,0 +1,55 @@
+package ipp
+
+import (
+	"encoding/binary"
+	"fmt"
+	"io"
+
+	log "github.com/sirupsen/logrus"
+)
+
+type IRange struct {
+	lower int32
+	upper int32
+}
+
+type rangeOfInteger struct {
+	name   string
+	values []IRange
+}
+
+func NewRangeOfInteger(name string, values ...IRange) *rangeOfInteger {
+	r := new(rangeOfInteger)
+	r.name = name
+	r.values = values
+	return r
+}
+
+func (r *rangeOfInteger) Name() string {
+	return r.name
+}
+
+func (r rangeOfInteger) String() string {
+	return r.name + ":" + fmt.Sprint(r.values)
+}
+
+func (r *rangeOfInteger) valueTag() tag {
+	return rangeOfIntegerValueTag
+}
+
+func (r *rangeOfInteger) marshal() []byte {
+	log.Error("marshal rangeOfInteger is not implemented yet")
+	return []byte{}
+}
+
+func (r *rangeOfInteger) addValue(v interface{}) {
+	r.values = append(r.values, v.(IRange))
+}
+
+func unmarshalSingleRangeOfInteger(byteStream io.Reader) (string, IRange) {
+	name, data := unmarshalSingleAttribute(byteStream)
+	var r IRange
+	r.lower = int32(binary.BigEndian.Uint32(data[0:4]))
+	r.upper = int32(binary.BigEndian.Uint32(data[4:8]))
+	return name, r
+}