--- /dev/null
+<?php
+
+/**
+ * EasyRdf
+ *
+ * LICENSE
+ *
+ * Copyright (c) 2010-2013 Nicholas J Humfrey
+ * Copyright (c) 2004-2010 Benjamin Nowack (based on ARC2_RDFXMLParser.php)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author 'Nicholas J Humfrey" may be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package EasyRdf
+ * @copyright Copyright (c) 2010-2013 Nicholas J Humfrey
+ * @license http://www.opensource.org/licenses/bsd-license.php
+ */
+
+
+/**
+ * A pure-php class to parse RDF/XML.
+ *
+ * @package EasyRdf
+ * @copyright Copyright (c) 2009-2013 Nicholas J Humfrey
+ * Copyright (c) 2004-2010 Benjamin Nowack (based on ARC2_RDFXMLParser.php)
+ * @license http://www.opensource.org/licenses/bsd-license.php
+ */
+class EasyRdf_Parser_RdfXml extends EasyRdf_Parser
+{
+ private $state;
+ private $xLang;
+ private $xBase;
+ private $xml;
+ private $rdf;
+ private $nsp;
+ private $sStack;
+ private $sCount;
+
+ /**
+ * Constructor
+ *
+ * @return object EasyRdf_Parser_RdfXml
+ */
+ public function __construct()
+ {
+ }
+
+ /** @ignore */
+ protected function init($graph, $base)
+ {
+ $this->graph = $graph;
+ $this->state = 0;
+ $this->xLang = null;
+ $this->xBase = new EasyRdf_ParsedUri($base);
+ $this->xml = 'http://www.w3.org/XML/1998/namespace';
+ $this->rdf = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#';
+ $this->nsp = array($this->xml => 'xml', $this->rdf => 'rdf');
+ $this->sStack = array();
+ $this->sCount = 0;
+ }
+
+ /** @ignore */
+ protected function initXMLParser()
+ {
+ if (!isset($this->xmlParser)) {
+ $parser = xml_parser_create_ns('UTF-8', '');
+ xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 0);
+ xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);
+ xml_set_element_handler($parser, 'startElementHandler', 'endElementHandler');
+ xml_set_character_data_handler($parser, 'cdataHandler');
+ xml_set_start_namespace_decl_handler($parser, 'newNamespaceHandler');
+ xml_set_object($parser, $this);
+ $this->xmlParser = $parser;
+ }
+ }
+
+ /** @ignore */
+ protected function pushS(&$s)
+ {
+ $s['pos'] = $this->sCount;
+ $this->sStack[$this->sCount] = $s;
+ $this->sCount++;
+ }
+
+ /** @ignore */
+ protected function popS()
+ {
+ $r = array();
+ $this->sCount--;
+ for ($i = 0, $iMax = $this->sCount; $i < $iMax; $i++) {
+ $r[$i] = $this->sStack[$i];
+ }
+ $this->sStack = $r;
+ }
+
+ /** @ignore */
+ protected function updateS($s)
+ {
+ $this->sStack[$s['pos']] = $s;
+ }
+
+ /** @ignore */
+ protected function getParentS()
+ {
+ if ($this->sCount && isset($this->sStack[$this->sCount - 1])) {
+ return $this->sStack[$this->sCount - 1];
+ } else {
+ return false;
+ }
+ }
+
+ /** @ignore */
+ protected function getParentXBase()
+ {
+ if ($p = $this->getParentS()) {
+ if (isset($p['p_x_base']) && $p['p_x_base']) {
+ return $p['p_x_base'];
+ } elseif (isset($p['x_base'])) {
+ return $p['x_base'];
+ } else {
+ return '';
+ }
+ } else {
+ return $this->xBase;
+ }
+ }
+
+ /** @ignore */
+ protected function getParentXLang()
+ {
+ if ($p = $this->getParentS()) {
+ if (isset($p['p_x_lang']) && $p['p_x_lang']) {
+ return $p['p_x_lang'];
+ } elseif (isset($p['x_lang'])) {
+ return $p['x_lang'];
+ } else {
+ return null;
+ }
+ } else {
+ return $this->xLang;
+ }
+ }
+
+ /** @ignore */
+ protected function splitURI($v)
+ {
+ /* auto-splitting on / or # */
+ if (preg_match('/^(.*[\/\#])([^\/\#]+)$/', $v, $m)) {
+ return array($m[1], $m[2]);
+ }
+ /* auto-splitting on last special char, e.g. urn:foo:bar */
+ if (preg_match('/^(.*[\:\/])([^\:\/]+)$/', $v, $m)) {
+ return array($m[1], $m[2]);
+ }
+ return array($v, '');
+ }
+
+ /** @ignore */
+ protected function add($s, $p, $o, $sType, $oType, $oDatatype = null, $oLang = null)
+ {
+ $this->addTriple(
+ $s,
+ $p,
+ array(
+ 'type' => $oType,
+ 'value' => $o,
+ 'lang' => $oLang,
+ 'datatype' => $oDatatype
+ )
+ );
+ }
+
+ /** @ignore */
+ protected function reify($t, $s, $p, $o, $sType, $oType, $oDatatype = null, $oLang = null)
+ {
+ $this->add($t, $this->rdf.'type', $this->rdf.'Statement', 'uri', 'uri');
+ $this->add($t, $this->rdf.'subject', $s, 'uri', $sType);
+ $this->add($t, $this->rdf.'predicate', $p, 'uri', 'uri');
+ $this->add($t, $this->rdf.'object', $o, 'uri', $oType, $oDatatype, $oLang);
+ }
+
+ /** @ignore */
+ protected function startElementHandler($p, $t, $a)
+ {
+ switch($this->state) {
+ case 0:
+ return $this->startState0($t, $a);
+ case 1:
+ return $this->startState1($t, $a);
+ case 2:
+ return $this->startState2($t, $a);
+ case 4:
+ return $this->startState4($t, $a);
+ case 5:
+ return $this->startState5($t, $a);
+ case 6:
+ return $this->startState6($t, $a);
+ default:
+ throw new EasyRdf_Parser_Exception(
+ 'startElementHandler() called at state ' . $this->state . ' in '.$t
+ );
+ }
+ }
+
+ /** @ignore */
+ protected function endElementHandler($p, $t)
+ {
+ switch($this->state){
+ case 1:
+ return $this->endState1($t);
+ case 2:
+ return $this->endState2($t);
+ case 3:
+ return $this->endState3($t);
+ case 4:
+ return $this->endState4($t);
+ case 5:
+ return $this->endState5($t);
+ case 6:
+ return $this->endState6($t);
+ default:
+ throw new EasyRdf_Parser_Exception(
+ 'endElementHandler() called at state ' . $this->state . ' in '.$t
+ );
+ }
+ }
+
+ /** @ignore */
+ protected function cdataHandler($p, $d)
+ {
+ switch($this->state){
+ case 4:
+ return $this->cdataState4($d);
+ case 6:
+ return $this->cdataState6($d);
+ default:
+ return false;
+ }
+ }
+
+ /** @ignore */
+ protected function newNamespaceHandler($p, $prf, $uri)
+ {
+ $this->nsp[$uri] = isset($this->nsp[$uri]) ? $this->nsp[$uri] : $prf;
+ }
+
+ /** @ignore */
+ protected function startState0($t, $a)
+ {
+ $this->state = 1;
+ if ($t !== $this->rdf.'RDF') {
+ $this->startState1($t, $a);
+ } else {
+ if (isset($a[$this->xml.'base'])) {
+ $this->xBase = $this->xBase->resolve($a[$this->xml.'base']);
+ }
+ }
+ }
+
+ /** @ignore */
+ protected function startState1($t, $a)
+ {
+ $s = array(
+ 'x_base' => $this->getParentXBase(),
+ 'x_lang' => $this->getParentXLang(),
+ 'li_count' => 0,
+ );
+
+ if (isset($a[$this->xml.'base'])) {
+ $s['x_base'] = $this->xBase->resolve($a[$this->xml.'base']);
+ }
+
+ if (isset($a[$this->xml.'lang'])) {
+ $s['x_lang'] = $a[$this->xml.'lang'];
+ }
+
+ /* ID */
+ if (isset($a[$this->rdf.'ID'])) {
+ $s['type'] = 'uri';
+ $s['value'] = $s['x_base']->resolve('#'.$a[$this->rdf.'ID']);
+ /* about */
+ } elseif (isset($a[$this->rdf.'about'])) {
+ $s['type'] = 'uri';
+ $s['value'] = $s['x_base']->resolve($a[$this->rdf.'about']);
+ /* bnode */
+ } else {
+ $s['type'] = 'bnode';
+ if (isset($a[$this->rdf.'nodeID'])) {
+ $s['value'] = $this->remapBnode($a[$this->rdf.'nodeID']);
+ } else {
+ $s['value'] = $this->graph->newBNodeId();
+ }
+ }
+
+ /* sub-node */
+ if ($this->state === 4) {
+ $supS = $this->getParentS();
+ /* new collection */
+ if (isset($supS['o_is_coll']) && $supS['o_is_coll']) {
+ $coll = array(
+ 'type' => 'bnode',
+ 'value' => $this->graph->newBNodeId(),
+ 'is_coll' => true,
+ 'x_base' => $s['x_base'],
+ 'x_lang' => $s['x_lang']
+ );
+ $this->add($supS['value'], $supS['p'], $coll['value'], $supS['type'], $coll['type']);
+ $this->add($coll['value'], $this->rdf.'first', $s['value'], $coll['type'], $s['type']);
+ $this->pushS($coll);
+
+ } elseif (isset($supS['is_coll']) && $supS['is_coll']) {
+ /* new entry in existing coll */
+ $coll = array(
+ 'type' => 'bnode',
+ 'value' => $this->graph->newBNodeId(),
+ 'is_coll' => true,
+ 'x_base' => $s['x_base'],
+ 'x_lang' => $s['x_lang']
+ );
+ $this->add($supS['value'], $this->rdf.'rest', $coll['value'], $supS['type'], $coll['type']);
+ $this->add($coll['value'], $this->rdf.'first', $s['value'], $coll['type'], $s['type']);
+ $this->pushS($coll);
+ /* normal sub-node */
+ } elseif (isset($supS['p']) && $supS['p']) {
+ $this->add($supS['value'], $supS['p'], $s['value'], $supS['type'], $s['type']);
+ }
+ }
+ /* typed node */
+ if ($t !== $this->rdf.'Description') {
+ $this->add($s['value'], $this->rdf.'type', $t, $s['type'], 'uri');
+ }
+ /* (additional) typing attr */
+ if (isset($a[$this->rdf.'type'])) {
+ $this->add($s['value'], $this->rdf.'type', $a[$this->rdf.'type'], $s['type'], 'uri');
+ }
+
+ /* Seq|Bag|Alt */
+ // if (in_array($t, array($this->rdf.'Seq', $this->rdf.'Bag', $this->rdf.'Alt'))) {
+ // # FIXME: what is this?
+ // $s['is_con'] = true;
+ // }
+
+ /* any other attrs (skip rdf and xml, except rdf:_, rdf:value, rdf:Seq) */
+ foreach ($a as $k => $v) {
+ if (((strpos($k, $this->xml) === false) && (strpos($k, $this->rdf) === false)) ||
+ preg_match('/(\_[0-9]+|value|Seq|Bag|Alt|Statement|Property|List)$/', $k)) {
+ if (strpos($k, ':')) {
+ $this->add($s['value'], $k, $v, $s['type'], 'literal', null, $s['x_lang']);
+ }
+ }
+ }
+ $this->pushS($s);
+ $this->state = 2;
+ }
+
+ /** @ignore */
+ protected function startState2($t, $a)
+ {
+ $s = $this->getParentS();
+ foreach (array('p_x_base', 'p_x_lang', 'p_id', 'o_is_coll') as $k) {
+ unset($s[$k]);
+ }
+ /* base */
+ if (isset($a[$this->xml.'base'])) {
+ $s['p_x_base'] = $s['x_base']->resolve($a[$this->xml.'base']);
+ }
+ $b = isset($s['p_x_base']) && $s['p_x_base'] ? $s['p_x_base'] : $s['x_base'];
+ /* lang */
+ if (isset($a[$this->xml.'lang'])) {
+ $s['p_x_lang'] = $a[$this->xml.'lang'];
+ }
+ $l = isset($s['p_x_lang']) && $s['p_x_lang'] ? $s['p_x_lang'] : $s['x_lang'];
+ /* adjust li */
+ if ($t === $this->rdf.'li') {
+ $s['li_count']++;
+ $t = $this->rdf.'_'.$s['li_count'];
+ }
+ /* set p */
+ $s['p'] = $t;
+ /* reification */
+ if (isset($a[$this->rdf.'ID'])) {
+ $s['p_id'] = $a[$this->rdf.'ID'];
+ }
+ $o = array('value' => null, 'type' => null, 'x_base' => $b, 'x_lang' => $l);
+ /* resource/rdf:resource */
+ if (isset($a['resource'])) {
+ $a[$this->rdf.'resource'] = $a['resource'];
+ unset($a['resource']);
+ }
+ if (isset($a[$this->rdf.'resource'])) {
+ $o['type'] = 'uri';
+ $o['value'] = $b->resolve($a[$this->rdf.'resource']);
+ $this->add($s['value'], $s['p'], $o['value'], $s['type'], $o['type']);
+ /* type */
+ if (isset($a[$this->rdf.'type'])) {
+ $this->add(
+ $o['value'],
+ $this->rdf.'type',
+ $a[$this->rdf.'type'],
+ 'uri',
+ 'uri'
+ );
+ }
+ /* reification */
+ if (isset($s['p_id'])) {
+ $this->reify(
+ $b->resolve('#'.$s['p_id']),
+ $s['value'],
+ $s['p'],
+ $o['value'],
+ $s['type'],
+ $o['type']
+ );
+ unset($s['p_id']);
+ }
+ $this->state = 3;
+ } elseif (isset($a[$this->rdf.'nodeID'])) {
+ /* named bnode */
+ $o['value'] = $this->remapBnode($a[$this->rdf.'nodeID']);
+ $o['type'] = 'bnode';
+ $this->add($s['value'], $s['p'], $o['value'], $s['type'], $o['type']);
+ $this->state = 3;
+ /* reification */
+ if (isset($s['p_id'])) {
+ $this->reify(
+ $b->resolve('#'.$s['p_id']),
+ $s['value'],
+ $s['p'],
+ $o['value'],
+ $s['type'],
+ $o['type']
+ );
+ }
+ /* parseType */
+ } elseif (isset($a[$this->rdf.'parseType'])) {
+ if ($a[$this->rdf.'parseType'] === 'Literal') {
+ $s['o_xml_level'] = 0;
+ $s['o_xml_data'] = '';
+ $s['p_xml_literal_level'] = 0;
+ $s['ns'] = array();
+ $this->state = 6;
+ } elseif ($a[$this->rdf.'parseType'] === 'Resource') {
+ $o['value'] = $this->graph->newBNodeId();
+ $o['type'] = 'bnode';
+ $o['hasClosingTag'] = 0;
+ $this->add($s['value'], $s['p'], $o['value'], $s['type'], $o['type']);
+ $this->pushS($o);
+ /* reification */
+ if (isset($s['p_id'])) {
+ $this->reify(
+ $b->resolve('#'.$s['p_id']),
+ $s['value'],
+ $s['p'],
+ $o['value'],
+ $s['type'],
+ $o['type']
+ );
+ unset($s['p_id']);
+ }
+ $this->state = 2;
+ } elseif ($a[$this->rdf.'parseType'] === 'Collection') {
+ $s['o_is_coll'] = true;
+ $this->state = 4;
+ }
+ } else {
+ /* sub-node or literal */
+ $s['o_cdata'] = '';
+ if (isset($a[$this->rdf.'datatype'])) {
+ $s['o_datatype'] = $a[$this->rdf.'datatype'];
+ }
+ $this->state = 4;
+ }
+ /* any other attrs (skip rdf and xml) */
+ foreach ($a as $k => $v) {
+ if (((strpos($k, $this->xml) === false) &&
+ (strpos($k, $this->rdf) === false)) ||
+ preg_match('/(\_[0-9]+|value)$/', $k)) {
+ if (strpos($k, ':')) {
+ if (!$o['value']) {
+ $o['value'] = $this->graph->newBNodeId();
+ $o['type'] = 'bnode';
+ $this->add($s['value'], $s['p'], $o['value'], $s['type'], $o['type']);
+ }
+ /* reification */
+ if (isset($s['p_id'])) {
+ $this->reify(
+ $b->resolve('#'.$s['p_id']),
+ $s['value'],
+ $s['p'],
+ $o['value'],
+ $s['type'],
+ $o['type']
+ );
+ unset($s['p_id']);
+ }
+ $this->add($o['value'], $k, $v, $o['type'], 'literal');
+ $this->state = 3;
+ }
+ }
+ }
+ $this->updateS($s);
+ }
+
+ /** @ignore */
+ protected function startState4($t, $a)
+ {
+ return $this->startState1($t, $a);
+ }
+
+ /** @ignore */
+ protected function startState5($t, $a)
+ {
+ $this->state = 4;
+ return $this->startState4($t, $a);
+ }
+
+ /** @ignore */
+ protected function startState6($t, $a)
+ {
+ $s = $this->getParentS();
+ $data = isset($s['o_xml_data']) ? $s['o_xml_data'] : '';
+ $ns = isset($s['ns']) ? $s['ns'] : array();
+ $parts = $this->splitURI($t);
+ if (count($parts) === 1) {
+ $data .= '<'.$t;
+ } else {
+ $nsUri = $parts[0];
+ $name = $parts[1];
+ if (!isset($this->nsp[$nsUri])) {
+ foreach ($this->nsp as $tmp1 => $tmp2) {
+ if (strpos($t, $tmp1) === 0) {
+ $nsUri = $tmp1;
+ $name = substr($t, strlen($tmp1));
+ break;
+ }
+ }
+ }
+
+ $nsp = isset($this->nsp[$nsUri]) ? $this->nsp[$nsUri] : '';
+ $data .= $nsp ? '<' . $nsp . ':' . $name : '<' . $name;
+ /* ns */
+ if (!isset($ns[$nsp.'='.$nsUri]) || !$ns[$nsp.'='.$nsUri]) {
+ $data .= $nsp ? ' xmlns:'.$nsp.'="'.$nsUri.'"' : ' xmlns="'.$nsUri.'"';
+ $ns[$nsp.'='.$nsUri] = true;
+ $s['ns'] = $ns;
+ }
+ }
+ foreach ($a as $k => $v) {
+ $parts = $this->splitURI($k);
+ if (count($parts) === 1) {
+ $data .= ' '.$k.'="'.$v.'"';
+ } else {
+ $nsUri = $parts[0];
+ $name = $parts[1];
+ $nsp = isset($this->nsp[$nsUri]) ? $this->nsp[$nsUri] : '';
+ $data .= $nsp ? ' '.$nsp.':'.$name.'="'.$v.'"' : ' '.$name.'="'.$v.'"' ;
+ }
+ }
+ $data .= '>';
+ $s['o_xml_data'] = $data;
+ $s['o_xml_level'] = isset($s['o_xml_level']) ? $s['o_xml_level'] + 1 : 1;
+ if ($t == $s['p']) {/* xml container prop */
+ $s['p_xml_literal_level'] = isset($s['p_xml_literal_level']) ? $s['p_xml_literal_level'] + 1 : 1;
+ }
+ $this->updateS($s);
+ }
+
+ /** @ignore */
+ protected function endState1($t)
+ {
+ /* end of doc */
+ $this->state = 0;
+ }
+
+ /** @ignore */
+ protected function endState2($t)
+ {
+ /* expecting a prop, getting a close */
+ if ($s = $this->getParentS()) {
+ $hasClosingTag = (isset($s['hasClosingTag']) && !$s['hasClosingTag']) ? 0 : 1;
+ $this->popS();
+ $this->state = 5;
+ if ($s = $this->getParentS()) {
+ /* new s */
+ if (!isset($s['p']) || !$s['p']) {
+ /* p close after collection|parseType=Resource|node close after p close */
+ $this->state = $this->sCount ? 4 : 1;
+ if (!$hasClosingTag) {
+ $this->state = 2;
+ }
+ } elseif (!$hasClosingTag) {
+ $this->state = 2;
+ }
+ }
+ }
+ }
+
+ /** @ignore */
+ protected function endState3($t)
+ {
+ /* p close */
+ $this->state = 2;
+ }
+
+ /** @ignore */
+ protected function endState4($t)
+ {
+ /* empty p | pClose after cdata | pClose after collection */
+ if ($s = $this->getParentS()) {
+ $b = isset($s['p_x_base']) && $s['p_x_base'] ?
+ $s['p_x_base'] : (isset($s['x_base']) ? $s['x_base'] : '');
+ if (isset($s['is_coll']) && $s['is_coll']) {
+ $this->add($s['value'], $this->rdf.'rest', $this->rdf.'nil', $s['type'], 'uri');
+ /* back to collection start */
+ while ((!isset($s['p']) || ($s['p'] != $t))) {
+ $subS = $s;
+ $this->popS();
+ $s = $this->getParentS();
+ }
+ /* reification */
+ if (isset($s['p_id']) && $s['p_id']) {
+ $this->reify(
+ $b->resolve('#'.$s['p_id']),
+ $s['value'],
+ $s['p'],
+ $subS['value'],
+ $s['type'],
+ $subS['type']
+ );
+ }
+ unset($s['p']);
+ $this->updateS($s);
+ } else {
+ $dt = isset($s['o_datatype']) ? $s['o_datatype'] : null;
+ $l = isset($s['p_x_lang']) && $s['p_x_lang'] ?
+ $s['p_x_lang'] : (isset($s['x_lang']) ? $s['x_lang'] : null);
+ $o = array('type' => 'literal', 'value' => $s['o_cdata']);
+ $this->add(
+ $s['value'],
+ $s['p'],
+ $o['value'],
+ $s['type'],
+ $o['type'],
+ $dt,
+ $l
+ );
+ /* reification */
+ if (isset($s['p_id']) && $s['p_id']) {
+ $this->reify(
+ $b->resolve('#'.$s['p_id']),
+ $s['value'],
+ $s['p'],
+ $o['value'],
+ $s['type'],
+ $o['type'],
+ $dt,
+ $l
+ );
+ }
+ unset($s['o_cdata']);
+ unset($s['o_datatype']);
+ unset($s['p']);
+ $this->updateS($s);
+ }
+ $this->state = 2;
+ }
+ }
+
+ /** @ignore */
+ protected function endState5($t)
+ {
+ /* p close */
+ if ($s = $this->getParentS()) {
+ unset($s['p']);
+ $this->updateS($s);
+ $this->state = 2;
+ }
+ }
+
+ /** @ignore */
+ protected function endState6($t)
+ {
+ if ($s = $this->getParentS()) {
+ $l = isset($s['p_x_lang']) && $s['p_x_lang'] ?
+ $s['p_x_lang'] :
+ (isset($s['x_lang']) ? $s['x_lang'] : null);
+ $data = $s['o_xml_data'];
+ $level = $s['o_xml_level'];
+ if ($level === 0) {
+ /* pClose */
+ $this->add(
+ $s['value'],
+ $s['p'],
+ trim($data, ' '),
+ $s['type'],
+ 'literal',
+ $this->rdf.'XMLLiteral',
+ $l
+ );
+ unset($s['o_xml_data']);
+ $this->state = 2;
+ } else {
+ $parts = $this->splitURI($t);
+ if (count($parts) == 1) {
+ $data .= '</'.$t.'>';
+ } else {
+ $nsUri = $parts[0];
+ $name = $parts[1];
+ if (!isset($this->nsp[$nsUri])) {
+ foreach ($this->nsp as $tmp1 => $tmp2) {
+ if (strpos($t, $tmp1) === 0) {
+ $nsUri = $tmp1;
+ $name = substr($t, strlen($tmp1));
+ break;
+ }
+ }
+ }
+ $nsp = isset($this->nsp[$nsUri]) ? $this->nsp[$nsUri] : '';
+ $data .= $nsp ? '</'.$nsp.':'.$name.'>' : '</'.$name.'>';
+ }
+ $s['o_xml_data'] = $data;
+ $s['o_xml_level'] = $level - 1;
+ if ($t == $s['p']) {
+ /* xml container prop */
+ $s['p_xml_literal_level']--;
+ }
+ }
+ $this->updateS($s);
+ }
+ }
+
+ /** @ignore */
+ protected function cdataState4($d)
+ {
+ if ($s = $this->getParentS()) {
+ $s['o_cdata'] = isset($s['o_cdata']) ? $s['o_cdata'] . $d : $d;
+ $this->updateS($s);
+ }
+ }
+
+ /** @ignore */
+ protected function cdataState6($d)
+ {
+ if ($s = $this->getParentS()) {
+ if (isset($s['o_xml_data']) || preg_match('/[\n\r]/', $d) || trim($d)) {
+ $d = htmlspecialchars($d, ENT_NOQUOTES);
+ $s['o_xml_data'] = isset($s['o_xml_data']) ? $s['o_xml_data'] . $d : $d;
+ }
+ $this->updateS($s);
+ }
+ }
+
+ /**
+ * Parse an RDF/XML document into an EasyRdf_Graph
+ *
+ * @param object EasyRdf_Graph $graph the graph to load the data into
+ * @param string $data the RDF document data
+ * @param string $format the format of the input data
+ * @param string $baseUri the base URI of the data being parsed
+ * @return integer The number of triples added to the graph
+ */
+ public function parse($graph, $data, $format, $baseUri)
+ {
+ parent::checkParseParams($graph, $data, $format, $baseUri);
+
+ if ($format != 'rdfxml') {
+ throw new EasyRdf_Exception(
+ "EasyRdf_Parser_RdfXml does not support: $format"
+ );
+ }
+
+ $this->init($graph, $baseUri);
+ $this->resetBnodeMap();
+
+ /* xml parser */
+ $this->initXMLParser();
+
+ /* parse */
+ if (!xml_parse($this->xmlParser, $data, false)) {
+ $message = xml_error_string(xml_get_error_code($this->xmlParser));
+ throw new EasyRdf_Parser_Exception(
+ 'XML error: "' . $message . '"',
+ xml_get_current_line_number($this->xmlParser),
+ xml_get_current_column_number($this->xmlParser)
+ );
+ }
+
+ xml_parser_free($this->xmlParser);
+
+ return $this->tripleCount;
+ }
+}
projects / yaffs-website / blobdiff