parseHTML function

Future<void> parseHTML(double contextId, Uint8List codeBytes, { String? url, })

Implementation

Future<void> parseHTML(double contextId, Uint8List codeBytes, {String? url}) async {
  Completer completer = Completer();
  final controller = WebFController.getControllerOfJSContextId(contextId);
  if (controller == null) {
    return;
  }

  // Pre-validate HTML content
  if (codeBytes.isEmpty) {
    // Empty HTML is valid, just return
    completer.complete();
    return completer.future;
  }

  // Check for excessive size (100MB limit)
  if (codeBytes.length > 100 * 1024 * 1024) {
    completer.completeError('HTML content exceeds maximum size limit (100MB)');
    return completer.future;
  }

  Pointer<Uint8> codePtr = uint8ListToPointer(codeBytes);
  try {
    assert(_allocatedPages.containsKey(contextId));
    final String effectiveUrl = (url == null || url.isEmpty) ? controller.url : url;
    final Pointer<Utf8> urlPtr = effectiveUrl.isNotEmpty ? effectiveUrl.toNativeUtf8() : nullptr;
    _ParseHTMLContext context = _ParseHTMLContext(completer, urlPtr);
    Pointer<NativeFunction<NativeParseHTMLCallback>> resultCallback =
        Pointer.fromFunction(_handleParseHTMLContextResult);
    _parseHTML(_allocatedPages[contextId]!, codePtr, codeBytes.length, urlPtr, context, resultCallback);
  } catch (e, stack) {
    bridgeLogger.severe('Error parsing HTML', e, stack);
    completer.completeError(e);
  }

  return completer.future;
}