protected function FeedsExJmesPath::executeContext in Feeds extensible parsers 7

Same name and namespace in other branches

1. 7.2 src/FeedsExJmesPath.inc \FeedsExJmesPath::executeContext()

Returns rows to be parsed.

Parameters

FeedsSource $source: Source information.

FeedsFetcherResult $fetcher_result: The result returned by the fetcher.

Return value

array|Traversable Some iterable that returns rows.

Overrides FeedsExBase::executeContext

File

src/FeedsExJmesPath.inc, line 156

Contains FeedsExJmesPath.

Class

FeedsExJmesPath

Parses JSON documents with JMESPath.

Code

protected function executeContext(FeedsSource $source, FeedsFetcherResult $fetcher_result) {
  $parsed = FeedsExJsonUtility::decodeJsonObject($this
    ->prepareRaw($fetcher_result));
  $parsed = $this
    ->search($this->config['context']['value'], $parsed);
  if (!is_array($parsed) && !is_object($parsed)) {
    throw new RuntimeException(t('The context expression must return an object or array.'));
  }

  // If an object is returned, consider it one item.
  if (is_object($parsed)) {
    return array(
      $parsed,
    );
  }
  $state = $source
    ->state(FEEDS_PARSE);
  if (!$state->total) {
    $state->total = count($parsed);
  }
  $start = (int) $state->pointer;
  $state->pointer = $start + $source->importer
    ->getLimit();
  return array_slice($parsed, $start, $source->importer
    ->getLimit());
}