class FeedsExJsonPathLines in Feeds extensible parsers 7

Parses the JSON Lines format via JSONPath.

Hierarchy

• class \FeedsExBase extends \FeedsParser
  • class \FeedsExJsonPath
    • class \FeedsExJsonPathLines

3 string references to 'FeedsExJsonPathLines'

FeedsExJsonPathLines.test in src/Tests/FeedsExJsonPathLines.test

feeds_ex_feeds_plugins in ./feeds_ex.feeds.inc

Implements hook_feeds_plugins().

feeds_ex_update_7102 in ./feeds_ex.install

Checks if for any importers libraries got missing.

File

src/FeedsExJsonPathLines.inc, line 11

Contains FeedsExJsonPathLines.

class FeedsExJsonPathLines extends FeedsExJsonPath {

  /**
   * The file iterator.
   *
   * @var FeedsExLineIterator
   */
  protected $iterator;

  /**
   * {@inheritdoc}
   */
  protected function hasConfigurableContext() {
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  protected function setUp(FeedsSource $source, FeedsFetcherResult $fetcher_result) {
    $this->iterator = new FeedsExLineIterator($fetcher_result
      ->getFilePath());
    if (!$this->iterator
      ->getSize()) {
      throw new FeedsExEmptyException();
    }
    $this->iterator
      ->setLineLimit($source->importer
      ->getLimit());
    $state = $source
      ->state(FEEDS_PARSE);
    if (!$state->total) {
      $state->total = $this->iterator
        ->getSize();
    }
    $this->iterator
      ->setStartPosition((int) $state->pointer);
  }

  /**
   * {@inheritdoc}
   */
  protected function parseItems(FeedsSource $source, FeedsFetcherResult $fetcher_result, FeedsParserResult $result) {
    $expressions = $this
      ->prepareExpressions();
    $variable_map = $this
      ->prepareVariables($expressions);
    foreach ($this->iterator as $row) {
      $row = $this
        ->getEncoder()
        ->convertEncoding($row);
      try {
        $row = FeedsExJsonUtility::decodeJsonArray($row);
      } catch (RuntimeException $e) {

        // An array wasn't returned. Skip this item.
        continue;
      }
      if ($item = $this
        ->executeSources($row, $expressions, $variable_map)) {
        $result->items[] = $item;
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  protected function cleanUp(FeedsSource $source, FeedsParserResult $result) {
    $source
      ->state(FEEDS_PARSE)->pointer = $this->iterator
      ->ftell();
    unset($this->iterator);
    parent::cleanUp($source, $result);
  }

  /**
   * {@inheritdoc}
   */
  protected function executeSourceExpression($machine_name, $expression, $row) {
    $result = $this
      ->getParser()
      ->search($row, $expression);
    if (is_scalar($result)) {
      return $result;
    }

    // Return a single value if there's only one value.
    return count($result) === 1 ? reset($result) : $result;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
FeedsExBase::$encoder	protected	property	The encoder used to convert encodings.
FeedsExBase::$encoderClass	protected	property	The class used as the text encoder.	1
FeedsExBase::$messenger	protected	property	The object used to display messages to the user.
FeedsExBase::configDefaults	public	function		1
FeedsExBase::configForm	public	function		1
FeedsExBase::configFormTableColumn	protected	function	Returns a form element for a specific column.	1
FeedsExBase::configFormTableHeader	protected	function	Reuturns the list of table headers.	1
FeedsExBase::configFormValidate	public	function		1
FeedsExBase::debug	protected	function	Renders our debug messages into a list.
FeedsExBase::executeSources	protected	function	Executes the source expressions.
FeedsExBase::getEncoder	public	function	Returns the encoder.
FeedsExBase::getFormHeader	protected	function	Returns the configuration form table header.
FeedsExBase::getMappingSources	public	function
FeedsExBase::getMessenger	public	function	Returns the messenger.
FeedsExBase::hasConfigForm	public	function
FeedsExBase::hasSourceConfig	public	function
FeedsExBase::logErrors	protected	function	Logs errors.
FeedsExBase::parse	public	function
FeedsExBase::prepareExpressions	protected	function	Prepares the expressions for parsing.
FeedsExBase::prepareRaw	protected	function	Prepares the raw string for parsing.
FeedsExBase::prepareVariables	protected	function	Prepares the variable map used to substitution.
FeedsExBase::printErrors	protected	function	Prints errors to the screen.
FeedsExBase::setEncoder	public	function	Sets the encoder.
FeedsExBase::setMessenger	public	function	Sets the messenger to be used to display messages.
FeedsExBase::sourceDefaults	public	function
FeedsExBase::sourceForm	public	function
FeedsExBase::sourceFormValidate	public	function
FeedsExBase::sourceSave	public	function
FeedsExBase::stopErrorHandling	protected	function	Stops internal error handling.	1
FeedsExJsonPath::$parser	protected	property	The JSONPath parser implementation.
FeedsExJsonPath::executeContext	protected	function	Returns rows to be parsed. Overrides FeedsExBase::executeContext
FeedsExJsonPath::getErrors	protected	function	Returns the errors after parsing. Overrides FeedsExBase::getErrors
FeedsExJsonPath::getParser	protected	function	Returns the JSONPath parser.
FeedsExJsonPath::loadLibrary	protected	function	Loads the necessary library. Overrides FeedsExBase::loadLibrary
FeedsExJsonPath::startErrorHandling	protected	function	Starts internal error handling. Overrides FeedsExBase::startErrorHandling
FeedsExJsonPath::validateExpression	protected	function	Validates an expression. Overrides FeedsExBase::validateExpression
FeedsExJsonPathLines::$iterator	protected	property	The file iterator.
FeedsExJsonPathLines::cleanUp	protected	function	Allows subclasses to cleanup after parsing. Overrides FeedsExJsonPath::cleanUp
FeedsExJsonPathLines::executeSourceExpression	protected	function	Executes a single source expression. Overrides FeedsExJsonPath::executeSourceExpression
FeedsExJsonPathLines::hasConfigurableContext	protected	function	Returns whether or not this parser uses a context query. Overrides FeedsExBase::hasConfigurableContext
FeedsExJsonPathLines::parseItems	protected	function	Performs the actual parsing. Overrides FeedsExBase::parseItems
FeedsExJsonPathLines::setUp	protected	function	Allows subclasses to prepare for parsing. Overrides FeedsExBase::setUp