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<?php
/***************************************************************
* Copyright notice
*
* (c) 2011 Sebastian Meyer <sebastian.meyer@slub-dresden.de>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
/**
* [CLASS/FUNCTION INDEX of SCRIPT]
*/
/**
* Metadata format class 'tx_dlf_mods' for the 'dlf' extension.
*
* @author Sebastian Meyer <sebastian.meyer@slub-dresden.de>
* @copyright Copyright (c) 2011, Sebastian Meyer, SLUB Dresden
* @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 = $xml->xpath('./mods:name[./mods:role/mods:roleTerm[@type="code"][@authority="marcrelator"]="aut"]');
// Get "author" and "author_sorting" again if that was to sophisticated.
if (!$authors) {
// 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 are separate family and given names.
if (($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(', ', $name));
}
// Check if there is a display form.
if (($displayForm = $authors[$i]->xpath('./mods:displayForm'))) {
$metadata['author'][$i] = (string) $displayForm[0];
}
}
}
// 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) {
// 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 = $xml->xpath('./mods:originInfo[not(./mods:edition="[Electronic ed.]")]/mods:dateOther[@type="order"][@encoding="w3cdtf"]'))) {
foreach ($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) {
// 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);
}
}
}
}
}
if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dlf/common/class.tx_dlf_mods.php']) {
include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dlf/common/class.tx_dlf_mods.php']);
}
?>