Club Drupal

<?php

/**

 * @files

 * Contains FeedsXPathParserHTML.

 */

/**

 * XPath parsing for HTML.

 */

class FeedsXPathParserHTML extends FeedsXPathParserBase {

  /**

   * Whether this version of PHP has a useable saveHTML() method.

   *

   * @var bool

   */

  protected $hasSaveHTML = FALSE;

  /**

   * {@inheritdoc}

   */

  public function __construct($id) {

    parent::__construct($id);

    // DOMDocument::saveHTML() cannot take $node as an argument prior to 5.3.6.

    if (version_compare(phpversion(), '5.3.6', '>=')) {

      $this->hasSaveHTML = TRUE;

    }

  }

  /**

   * {@inheritdoc}

   */

  protected function setup($source_config, FeedsFetcherResult $fetcher_result) {

    if (!empty($source_config['exp']['tidy']) && extension_loaded('tidy')) {

      $config = array(

        'merge-divs'       => FALSE,

        'merge-spans'      => FALSE,

        'join-styles'      => FALSE,

        'drop-empty-paras' => FALSE,

        'wrap'             => 0,

        'tidy-mark'        => FALSE,

        'escape-cdata'     => TRUE,

        'word-2000'        => TRUE,

      );

      // Default tidy encoding is UTF8.

      $encoding = $source_config['exp']['tidy_encoding'];

      $raw = tidy_repair_string($fetcher_result->getRaw(), $config, $encoding);

    }

    else {

      $raw = $fetcher_result->getRaw();

    }

    $document = new DOMDocument();

    $document->strictErrorChecking = FALSE;

    $document->recover = TRUE;

    // Use our own error handling.

    $use = $this->errorStart();

    if (version_compare(PHP_VERSION, '5.4.0', '>=')) {

      $options = LIBXML_NONET;

      $options |= defined('LIBXML_COMPACT') ? LIBXML_COMPACT : 0;

      $options |= defined('LIBXML_PARSEHUGE') ? LIBXML_PARSEHUGE : 0;

      $success = $document->loadHTML($raw, $options);

    }

    else {

      $success = $document->loadHTML($raw);

    }

    $this->errorStop($use, $source_config['exp']['errors']);

    if (!$success) {

      throw new Exception(t('There was an error parsing the HTML document.'));

    }

    return $document;

  }

  /**

   * {@inheritdoc}

   */

  protected function getRaw(DOMNode $node) {

    if ($this->hasSaveHTML) {

      return $this->doc->saveHTML($node);

    }

    return $this->doc->saveXML($node, LIBXML_NOEMPTYTAG);

  }

}