134 lines
5.7 KiB
PHP
134 lines
5.7 KiB
PHP
<?php
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/**
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* (c) Kitodo. Key to digital objects e.V. <contact@kitodo.org>
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*
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* This file is part of the Kitodo and TYPO3 projects.
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*
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* @license GNU General Public License version 3 or later.
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*/
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namespace Kitodo\Dlf\Format;
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/**
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* Metadata MODS format class for the 'dlf' extension
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*
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* @author Sebastian Meyer <sebastian.meyer@slub-dresden.de>
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* @package TYPO3
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* @subpackage dlf
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* @access public
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*/
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class Mods implements \Kitodo\Dlf\Common\MetadataInterface
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{
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/**
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* This extracts the essential MODS metadata from XML
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*
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* @access public
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*
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* @param \SimpleXMLElement $xml: The XML to extract the metadata from
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* @param array &$metadata: The metadata array to fill
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*
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* @return void
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*/
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public function extractMetadata(\SimpleXMLElement $xml, array &$metadata)
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{
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$xml->registerXPathNamespace('mods', 'http://www.loc.gov/mods/v3');
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// Get "author" and "author_sorting".
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$authors = $xml->xpath('./mods:name[./mods:role/mods:roleTerm[@type="code" and @authority="marcrelator"]="aut"]');
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// Get "author" and "author_sorting" again if that was to sophisticated.
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if (empty($authors)) {
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// Get all names which do not have any role term assigned and assume these are authors.
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$authors = $xml->xpath('./mods:name[not(./mods:role)]');
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}
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if (!empty($authors)) {
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for ($i = 0, $j = count($authors); $i < $j; $i++) {
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$authors[$i]->registerXPathNamespace('mods', 'http://www.loc.gov/mods/v3');
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// Check if there is a display form.
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if (($displayForm = $authors[$i]->xpath('./mods:displayForm'))) {
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$metadata['author'][$i] = (string) $displayForm[0];
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} elseif (($nameParts = $authors[$i]->xpath('./mods:namePart'))) {
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$name = [];
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$k = 4;
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foreach ($nameParts as $namePart) {
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if (
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isset($namePart['type'])
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&& (string) $namePart['type'] == 'family'
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) {
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$name[0] = (string) $namePart;
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} elseif (
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isset($namePart['type'])
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&& (string) $namePart['type'] == 'given'
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) {
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$name[1] = (string) $namePart;
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} elseif (
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isset($namePart['type'])
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&& (string) $namePart['type'] == 'termsOfAddress'
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) {
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$name[2] = (string) $namePart;
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} elseif (
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isset($namePart['type'])
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&& (string) $namePart['type'] == 'date'
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) {
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$name[3] = (string) $namePart;
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} else {
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$name[$k] = (string) $namePart;
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}
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$k++;
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}
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ksort($name);
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$metadata['author'][$i] = trim(implode(', ', $name));
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}
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// Append "valueURI" to name using Unicode unit separator.
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if (isset($authors[$i]['valueURI'])) {
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$metadata['author'][$i] .= chr(31) . (string) $authors[$i]['valueURI'];
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}
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}
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}
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// Get "place" and "place_sorting".
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$places = $xml->xpath('./mods:originInfo[not(./mods:edition="[Electronic ed.]")]/mods:place/mods:placeTerm');
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// Get "place" and "place_sorting" again if that was to sophisticated.
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if (empty($places)) {
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// Get all places and assume these are places of publication.
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$places = $xml->xpath('./mods:originInfo/mods:place/mods:placeTerm');
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}
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if (!empty($places)) {
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foreach ($places as $place) {
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$metadata['place'][] = (string) $place;
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if (!$metadata['place_sorting'][0]) {
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$metadata['place_sorting'][0] = preg_replace('/[[:punct:]]/', '', (string) $place);
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}
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}
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}
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// Get "year_sorting".
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if (($years_sorting = $xml->xpath('./mods:originInfo[not(./mods:edition="[Electronic ed.]")]/mods:dateOther[@type="order" and @encoding="w3cdtf"]'))) {
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foreach ($years_sorting as $year_sorting) {
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$metadata['year_sorting'][0] = intval($year_sorting);
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}
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}
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// Get "year" and "year_sorting" if not specified separately.
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$years = $xml->xpath('./mods:originInfo[not(./mods:edition="[Electronic ed.]")]/mods:dateIssued[@keyDate="yes"]');
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// Get "year" and "year_sorting" again if that was to sophisticated.
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if (empty($years)) {
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// Get all dates and assume these are dates of publication.
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$years = $xml->xpath('./mods:originInfo/mods:dateIssued');
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}
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if (!empty($years)) {
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foreach ($years as $year) {
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$metadata['year'][] = (string) $year;
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if (!$metadata['year_sorting'][0]) {
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$year_sorting = str_ireplace('x', '5', preg_replace('/[^\d.x]/i', '', (string) $year));
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if (
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strpos($year_sorting, '.')
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|| strlen($year_sorting) < 3
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) {
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$year_sorting = ((intval(trim($year_sorting, '.')) - 1) * 100) + 50;
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}
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$metadata['year_sorting'][0] = intval($year_sorting);
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}
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}
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}
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}
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}
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