src/jumbf/SuperBox.ts: Replace call to existing deserialization code …

…(WIP)

This doesn't work completely, yet, but it already sets the URI field on
super boxes after parsing the box tree.

src/jumbf/SuperBox.ts

@@ -81,9 +81,31 @@ export class SuperBox extends Box {
     }
 
     public static fromBuffer(buf: Uint8Array): SuperBox {
-        const box = BoxReader.readFromBuffer(buf, 'self#jumbf=').box;
-        if (!(box instanceof SuperBox)) throw new Error('Outer box is not a JUMBF super box');
-        return box;
+        // eslint-disable-next-line no-constant-condition
+        if (true) {
+            const reader = new bin.BufferReader(buf, { endianness: 'big' });
+            const box = SuperBox.schema.read(reader);
+
+            const rootURI = 'self#jumbf=';
+
+            SuperBox.applyURI(box, rootURI);
+
+            return box;
+        } else {
+            const box = BoxReader.readFromBuffer(buf, 'self#jumbf=').box;
+            if (!(box instanceof SuperBox)) throw new Error('Outer box is not a JUMBF super box');
+
+            return box as SuperBox;
+        }
+    }
+
+    private static applyURI(box: SuperBox, uri: string) {
+        if (box.descriptionBox!.label) {
+            box.uri = `${uri}/${box.descriptionBox!.label}`;
+        }
+        box.contentBoxes.forEach(subBox => {
+            if (subBox instanceof SuperBox) SuperBox.applyURI(subBox, box.uri!);
+        });
     }
 
     public parse(buf: Uint8Array, uriPrefix?: string) {