getDescription method

String getDescription()

Gets the the document description.

return The document description. throws DocumentException An error has occurred during Document Library execution.

Implementation

String getDescription() {
  Pointer<Char> pDescription = nullptr;
  Pointer<Int> pDescriptionSize = calloc.allocate(1);
  pDescriptionSize[0] = -1;
  try {
    var err = documentSDK.id3DocumentInfo_GetDescription(_pHandle.value, pDescription, pDescriptionSize);
    if (err == DocumentError.insufficientBuffer.value) {
      pDescription = calloc.allocate(pDescriptionSize.value);
      err = documentSDK.id3DocumentInfo_GetDescription(_pHandle.value, pDescription, pDescriptionSize);
      if (err != DocumentError.success.value) {
        throw DocumentException(err);
      }
    }
    final vDescription = utf8.decode(Uint8List.fromList(pDescription.cast<Uint8>().asTypedList(pDescriptionSize.value)));
    return vDescription;
  } finally {
    calloc.free(pDescription);
    calloc.free(pDescriptionSize);
  }
}