gistfile1.txt

  // Construct and run the javascript. SBJsonParser only works with objects or
  // arrays, so we wrap the result in an array in case the result is not either
  // an object or an array.
  NSString* wrappedJavascript = 
      [NSString stringWithFormat:@"JSON.stringify([%@])", javascript];
  NSString* resultJSON = [componentPlugin writeJavascript:wrappedJavascript];

  // Parse and return the result, making sure to unwrap the result first.
  SBJsonParser* jsonParser = [[[SBJsonParser alloc] init] autorelease];
  NSArray* wrappedResult = [jsonParser objectWithString:resultJSON];
  return [wrappedResult objectAtIndex:0];