+ // Range
+ bool have_range = false;
+ int64_t range1 = 0, range2 = 0;
+ if (*t == '[') {
+ t++;
+ s = t;
+ while (*t >= '0' && *t <= '9')
+ t++;
+
+ // Abbreviated-length only range?
+ if (*t == ']') {
+ string val(s, t - s);
+ range2 = atoll(val.c_str());
+ } else {
+ if (*t != '+')
+ return ObjectReference();
+
+ string val(s, t - s);
+ range1 = atoll(val.c_str());
+
+ t++;
+ s = t;
+ while (*t >= '0' && *t <= '9')
+ t++;
+ if (*t != ']')
+ return ObjectReference();
+
+ val = string(s, t - s);
+ range2 = atoll(val.c_str());
+ }
+
+ have_range = true;
+ }
+
+ ObjectReference ref;
+ switch (type) {
+ case ObjectReference::REF_ZERO:
+ ref = ObjectReference(ObjectReference::REF_ZERO);
+ break;
+ case ObjectReference::REF_NORMAL:
+ ref = ObjectReference(segment, object);
+ break;
+ default:
+ return ObjectReference();
+ }
+
+ if (checksum.size() > 0)
+ ref.set_checksum(checksum);
+
+ if (have_range)
+ ref.set_range(range1, range2);
+
+ return ref;
+}