__construct($a, $caller); } function __init() { parent::__init(); } /* */ function getTerm($v, $type) { if (!is_array($v)) {/* iri or bnode */ if (preg_match('/^\_\:(.*)$/', $v, $m)) { return ' about="[' . $v . ']"'; } if ($type == 's') { return ' about="' . htmlspecialchars($v) . '"'; } if ($type == 'p') { if ($pn = $this->getPName($v)) { return $pn; } return 0; } } } function getHead() { $nl = "\n"; $r = 'used_ns as $v) { $r .= $first_ns ? ' ' : $nl . ' '; $r .= 'xmlns:' . $this->nsp[$v] . '="' .$v. '"'; $first_ns = 0; } $r .= '>'; return $r; } function getLabel($index, $uri){ if(!isset($index[$uri])){ return $uri; } else{ $candidates = array('label','name','nick','mbox','title'); foreach ($index[$uri] as $p => $obs) { foreach($candidates as $c) if(preg_match('@'.$c.'$@', $p)){ return is_array($obs[0])? isset($obs[0]['value'])? $obs[0]['value'] : $obs[0]['val'] : $obs[0]; } } } return $uri; } function getFooter() { return ''; } function URItoLabel($uri){ return array_pop(preg_split('/#|\//', $uri)); } function getObjectType($o){ if(preg_match('@[a-zA-Z]:.+@', $o)){ return 'uri'; } if(substr( $o, 0,2)=='_:'){ return 'bnode'; } else return 'literal'; } function getSerializedIndex($index) { $r = ''; $nl = "\n"; foreach ($index as $s => $ps) { $r.= '

'.$this->getLabel($index, $s).'

'; $r .= $r ? $nl . $nl : ''; $s = $this->getTerm($s, 's'); $r .= ' '; $first_p = 1; foreach ($ps as $p => $os) { $r .= $nl . str_pad('', 4); $qname = $this->getTerm($p, 'p'); $r.='
'.$this->URItoLabel($p).'
'; foreach($os as $obj){ if(!is_array($obj)){ $obj = array( 'value' => $obj, 'type' => $this->getObjectType($obj), ); } else{ /* For backward/forward compatibility with rdf/json style */ if(isset($obj['val'])) $obj['value'] = $obj['val']; if(isset($obj['dt'])) $obj['datatype'] = $obj['dt']; } $r.= 'URItoLabel($p).'" src="'.$obj['value'].'" width="60"/>'; } else{ $r.= '>'.$obj['value'].''; } break; case 'bnode': $r.='>'.$obj['value'].''; break; case 'literal': $r.=' property="'.$qname.'"'; if(isset($obj['lang'])){ $r.=' xml:lang="' . htmlspecialchars($obj['lang'] ). '">'.htmlspecialchars($obj['value']); } elseif(!isset($obj['datatype'])){ $r.='>'.htmlspecialchars($obj['value']); } elseif(isset($obj['datatype']) AND $obj['datatype']== 'http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral'){ $r.='>'.$obj['value']; } else{ $r.=' datatype="' . htmlspecialchars($obj['datatype'] ). '">'.htmlspecialchars($obj['value']); } break; } $r.= ''; } } $r .= $r ? $nl . '
' : ''; } $r = $this->getHead() . $nl . $nl . $r . $this->getFooter(); return $r; } /* */ } ?>