+ metadata.free();
+ structTreeRoot.free();
+}
+
+GString *Catalog::readMetadata() {
+ GString *s;
+ Dict *dict;
+ Object obj;
+ int c;
+
+ if (!metadata.isStream()) {
+ return NULL;
+ }
+ dict = metadata.streamGetDict();
+ if (!dict->lookup("Subtype", &obj)->isName("XML")) {
+ error(-1, "Unknown Metadata type: '%s'",
+ obj.isName() ? obj.getName() : "???");
+ }
+ obj.free();
+ s = new GString();
+ metadata.streamReset();
+ while ((c = metadata.streamGetChar()) != EOF) {
+ s->append(c);
+ }
+ metadata.streamClose();
+ return s;