improved deserialize bytes at json pointer

core/src/main/java/com/arangodb/internal/serde/InternalSerde.java

@@ -98,9 +98,8 @@ default <T> T deserialize(byte[] content, String jsonPointer, Class<T> clazz) {
      * @param type        target data type
      * @return deserialized object
      */
-    // TODO: avoid serialization-deserialization round-trip
     default <T> T deserialize(byte[] content, String jsonPointer, Type type) {
-        return deserialize(parse(content, jsonPointer), type);
+        return deserialize(extract(content, jsonPointer), type);
     }
 
     /**

core/src/main/java/com/arangodb/internal/serde/SerdeUtils.java

@@ -105,6 +105,7 @@ public static byte[] extractBytes(JsonParser parser) throws IOException {
         }
         byte[] data = (byte[]) parser.currentTokenLocation().contentReference().getRawContent();
         int start = (int) parser.currentTokenLocation().getByteOffset();
+        int end = (int) parser.currentLocation().getByteOffset();
         if (t.isStructStart()) {
             int open = 1;
             while (open > 0) {
@@ -117,7 +118,9 @@ public static byte[] extractBytes(JsonParser parser) throws IOException {
             }
         }
         parser.finishToken();
-        int end = (int) parser.currentLocation().getByteOffset();
+        if ("JSON".equals(parser.getCodec().getFactory().getFormatName())) {
+            end = (int) parser.currentLocation().getByteOffset();
+        }
         return Arrays.copyOfRange(data, start, end);
     }