tx_dlf_mods

Complexity

Total Complexity

27

Size/Duplication

Total Lines	148
Duplicated Lines	0 %

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
F	extractMetadata()	0	136	27

<?php
/**
 * (c) Kitodo. Key to digital objects e.V. <contact@kitodo.org>
 *
 * This file is part of the Kitodo and TYPO3 projects.
 *
 * @license GNU General Public License version 3 or later.
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 */

/**
 * Metadata format class 'tx_dlf_mods' for the 'dlf' extension.
 *
 * @author	Sebastian Meyer <sebastian.meyer@slub-dresden.de>
 * @package	TYPO3
 * @subpackage	tx_dlf
 * @access	public
 */
class tx_dlf_mods implements tx_dlf_format {

    /**
     * This extracts the essential MODS metadata from XML
     *
     * @access	public
     *
     * @param	SimpleXMLElement		$xml: The XML to extract the metadata from
     * @param	array		&$metadata: The metadata array to fill
     *
     * @return	void
     */
    public function extractMetadata(SimpleXMLElement $xml, array &$metadata) {

        $xml->registerXPathNamespace('mods', 'http://www.loc.gov/mods/v3');

        // Get "author" and "author_sorting".
        $authors = $xml->xpath('./mods:name[./mods:role/mods:roleTerm[@type="code" and @authority="marcrelator"]="aut"]');

        // Get "author" and "author_sorting" again if that was to sophisticated.
        if (!$authors) {

The expression $authors of type SimpleXMLElement[] is implicitly converted to a boolean; are you sure this is intended? If so, consider using empty($expr) instead to make it clear that you intend to check for an array without elements.

            // Get all names which do not have any role term assigned and assume these are authors.
            $authors = $xml->xpath('./mods:name[not(./mods:role)]');

        }

        if (is_array($authors)) {

            for ($i = 0, $j = count($authors); $i < $j; $i++) {

                $authors[$i]->registerXPathNamespace('mods', 'http://www.loc.gov/mods/v3');

                // Check if there is a display form.
                if (($displayForm = $authors[$i]->xpath('./mods:displayForm'))) {

                    $metadata['author'][$i] = (string) $displayForm[0];

                } elseif (($nameParts = $authors[$i]->xpath('./mods:namePart'))) {

                    $name = array ();

                    $k = 4;

                    foreach ($nameParts as $namePart) {

                        if (isset($namePart['type']) && (string) $namePart['type'] == 'family') {

                            $name[0] = (string) $namePart;

                        } elseif (isset($namePart['type']) && (string) $namePart['type'] == 'given') {

                            $name[1] = (string) $namePart;

                        } elseif (isset($namePart['type']) && (string) $namePart['type'] == 'termsOfAddress') {

                            $name[2] = (string) $namePart;

                        } elseif (isset($namePart['type']) && (string) $namePart['type'] == 'date') {

                            $name[3] = (string) $namePart;

                        } else {

                            $name[$k] = (string) $namePart;

                        }

                        $k++;

                    }

                    ksort($name);

                    $metadata['author'][$i] = trim(implode(', ', $name));

                }

            }

        }

        // Get "place" and "place_sorting".
        $places = $xml->xpath('./mods:originInfo[not(./mods:edition="[Electronic ed.]")]/mods:place/mods:placeTerm');

        // Get "place" and "place_sorting" again if that was to sophisticated.
        if (!$places) {

The expression $places of type SimpleXMLElement[] is implicitly converted to a boolean; are you sure this is intended? If so, consider using empty($expr) instead to make it clear that you intend to check for an array without elements.

            // Get all places and assume these are places of publication.
            $places = $xml->xpath('./mods:originInfo/mods:place/mods:placeTerm');

        }

        if (is_array($places)) {

            foreach ($places as $place) {

                $metadata['place'][] = (string) $place;

                if (!$metadata['place_sorting'][0]) {

                    $metadata['place_sorting'][0] = preg_replace('/[[:punct:]]/', '', (string) $place);

                }

            }

        }

        // Get "year_sorting".
        if (($years_sorting = $xml->xpath('./mods:originInfo[not(./mods:edition="[Electronic ed.]")]/mods:dateOther[@type="order" and @encoding="w3cdtf"]'))) {

            foreach ($years_sorting as $year_sorting) {

                $metadata['year_sorting'][0] = intval($year_sorting);

            }

        }

        // Get "year" and "year_sorting" if not specified separately.
        $years = $xml->xpath('./mods:originInfo[not(./mods:edition="[Electronic ed.]")]/mods:dateIssued[@keyDate="yes"]');

        // Get "year" and "year_sorting" again if that was to sophisticated.
        if (!$years) {

The expression $years of type SimpleXMLElement[] is implicitly converted to a boolean; are you sure this is intended? If so, consider using empty($expr) instead to make it clear that you intend to check for an array without elements.

            // Get all dates and assume these are dates of publication.
            $years = $xml->xpath('./mods:originInfo/mods:dateIssued');

        }

        if (is_array($years)) {

            foreach ($years as $year) {

                $metadata['year'][] = (string) $year;

                if (!$metadata['year_sorting'][0]) {

                    $year_sorting = str_ireplace('x', '5', preg_replace('/[^\d.x]/i', '', (string) $year));

                    if (strpos($year_sorting, '.') || strlen($year_sorting) < 3) {

                        $year_sorting = ((intval(trim($year_sorting, '.')) - 1) * 100) + 50;

                    }

                    $metadata['year_sorting'][0] = intval($year_sorting);

                }

            }

        }

    }

}