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<?php
/*
homepage: http://arc.semsol.org/
license: http://arc.semsol.org/license
class: ARC2 POSH RDF Serializer
author: Benjamin Nowack
version: 2010-11-16
*/
ARC2::inc('RDFSerializer');
class ARC2_POSHRDFSerializer extends ARC2_RDFSerializer {
function __construct($a, &$caller) {
parent::__construct($a, $caller);
}
function __init() {
parent::__init();
$this->content_header = 'text/html';
}
/* */
function getLabel($res, $ps = '') {
if (!$ps) $ps = array();
foreach ($ps as $p => $os) {
if (preg_match('/[\/\#](name|label|summary|title|fn)$/i', $p)) {
return $os[0]['value'];
}
}
if (preg_match('/^\_\:/', $res)) return "An unnamed resource";
return preg_replace("/^(.*[\/\#])([^\/\#]+)$/", '\\2', str_replace('_', ' ', $res));
}
function getSerializedIndex($index, $res = '') {
$r = '';
$n = "\n";
if ($res) $index = array($res => $index[$res]);
//return Trice::dump($index);
foreach ($index as $s => $ps) {
/* node */
$r .= '
<div class="rdf-view">
<h3><a class="rdf-s" href="' . $s . '">' . $this->getLabel($s, $ps) . '</a></h3>
';
/* arcs */
foreach ($ps as $p => $os) {
$r .= '
<div class="rdf-o-list">
<a class="rdf-p" href="' . $p . '">' . ucfirst($this->getLabel($p)) . '</a>
';
foreach ($os as $o) {
$r .= $n . $this->getObjectValue($o);
}
$r .= '
</div>
';
}
/* node */
$r .= '
<div class="clb"></div>
</div>
';
}
return $r;
}
function getObjectValue($o) {
if ($o['type'] == 'uri') {
if (preg_match('/(jpe?g|gif|png)$/i', $o['value'])) {
return $this->getImageObjectValue($o);
}
return $this->getURIObjectValue($o);
}
if ($o['type'] == "bnode") {
return $this->getBNodeObjectValue($o);
}
return $this->getLiteralObjectValue($o);
}
function getImageObjectValue($o) {
return '<img class="rdf-o" src="' . htmlspecialchars($o['value']) . '" alt="img" />';
}
function getURIObjectValue($o) {
$href = htmlspecialchars($o['value']);
$label = $o['value'];
$label = preg_replace('/^https?\:\/\/(www\.)?/', '', $label);
return '<a class="rdf-o" href="' . $href . '">' . $label . '</a>';
}
function getBNodeObjectValue($o) {
return '<div class="rdf-o" title="' . $o['value']. '">An unnamed resource</div>';
}
function getLiteralObjectValue($o) {
return '<div class="rdf-o">' . $o['value'] . '</div>';
}
/* */
}
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