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<?php
define('ML_EXP','/^[^<]*(<(.|\s)+>)[^>]*$/');
require_once 'CssEventHandler.php';
require_once 'QueryPathExtension.php';
function qp($document = NULL, $string = NULL, $options = array()) {
$qpClass = isset($options['QueryPath_class']) ? $options['QueryPath_class'] : 'QueryPath';
$qp = new $qpClass($document, $string, $options);
return $qp;
}
function htmlqp($document = NULL, $selector = NULL, $options = array()) {
$options += array(
'ignore_parser_warnings' => TRUE,
'convert_to_encoding' => 'ISO-8859-1',
'convert_from_encoding' => 'auto',
'use_parser' => 'html',
);
return @qp($document, $selector, $options);
}
class QueryPath implements IteratorAggregate, Countable {
const VERSION = '2.1.2';
const HTML_STUB = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Untitled</title>
</head>
<body></body>
</html>';
const XHTML_STUB = '<?xml version="1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>Untitled</title>
</head>
<body></body>
</html>';
const DEFAULT_PARSER_FLAGS = NULL;
const JS_CSS_ESCAPE_CDATA = '\\1';
const JS_CSS_ESCAPE_CDATA_CCOMMENT = '/* \\1 */';
const JS_CSS_ESCAPE_CDATA_DOUBLESLASH = '// \\1';
const JS_CSS_ESCAPE_NONE = '';
private $errTypes = 771;
protected $document = NULL;
private $options = array(
'parser_flags' => NULL,
'omit_xml_declaration' => FALSE,
'replace_entities' => FALSE,
'exception_level' => 771,
'ignore_parser_warnings' => FALSE,
'escape_xhtml_js_css_sections' => self::JS_CSS_ESCAPE_CDATA_CCOMMENT,
);
protected $matches = array();
protected $last = array();
private $ext = array();
public $length = 0;
public function __construct($document = NULL, $string = NULL, $options = array()) {
$string = trim($string);
$this->options = $options + QueryPathOptions::get() + $this->options;
$parser_flags = isset($options['parser_flags']) ? $options['parser_flags'] : self::DEFAULT_PARSER_FLAGS;
if (!empty($this->options['ignore_parser_warnings'])) {
$this->errTypes = 257;
}
elseif (isset($this->options['exception_level'])) {
$this->errTypes = $this->options['exception_level'];
}
if (empty($document)) {
$this->document = isset($this->options['encoding']) ? new DOMDocument('1.0', $this->options['encoding']) : new DOMDocument();
$this->setMatches(new SplObjectStorage());
}
elseif (is_object($document)) {
if ($document instanceof QueryPath) {
$this->matches = $document->get(NULL, TRUE);
if ($this->matches->count() > 0)
$this->document = $this->getFirstMatch()->ownerDocument;
}
elseif ($document instanceof DOMDocument) {
$this->document = $document;
$this->setMatches($document->documentElement);
}
elseif ($document instanceof DOMNode) {
$this->document = $document->ownerDocument;
$this->setMatches($document);
}
elseif ($document instanceof SimpleXMLElement) {
$import = dom_import_simplexml($document);
$this->document = $import->ownerDocument;
$this->setMatches($import);
}
elseif ($document instanceof SplObjectStorage) {
if ($document->count() == 0) {
throw new QueryPathException('Cannot initialize QueryPath from an empty SplObjectStore');
}
$this->matches = $document;
$this->document = $this->getFirstMatch()->ownerDocument;
}
else {
throw new QueryPathException('Unsupported class type: ' . get_class($document));
}
}
elseif (is_array($document)) {
if (!empty($document) && $document[0] instanceof DOMNode) {
$found = new SplObjectStorage();
foreach ($document as $item) $found->attach($item);
$this->setMatches($found);
$this->document = $this->getFirstMatch()->ownerDocument;
}
}
elseif ($this->isXMLish($document)) {
$this->document = $this->parseXMLString($document);
$this->setMatches($this->document->documentElement);
}
else {
$context = empty($options['context']) ? NULL : $options['context'];
$this->document = $this->parseXMLFile($document, $parser_flags, $context);
$this->setMatches($this->document->documentElement);
}
if (isset($string) && strlen($string) > 0) {
$this->find($string);
}
}
public static function encodeDataURL($data, $mime = 'application/octet-stream', $context = NULL) {
if (is_resource($data)) {
$data = stream_get_contents($data);
}
elseif (filter_var($data, FILTER_VALIDATE_URL)) {
$data = file_get_contents($data, FALSE, $context);
}
$encoded = base64_encode($data);
return 'data:' . $mime . ';base64,' . $encoded;
}
public function getOptions() {
return $this->options;
}
public function top($selector = NULL) {
$this->setMatches($this->document->documentElement);
return !empty($selector) ? $this->find($selector) : $this;
}
public function find($selector) {
$ids = array();
$regex = '/^#([\w-]+)$|^\.([\w-]+)$/';
if (preg_match($regex, $selector, $ids) === 1) {
if (!empty($ids[1])) {
$xpath = new DOMXPath($this->document);
foreach ($this->matches as $item) {
if ($item->isSameNode($this->document->documentElement) ) {
$xpathQuery = "//*[@id='{$ids[1]}']";
}
else {
$xpathQuery = ".//*[@id='{$ids[1]}']";
}
$nl = $xpath->query($xpathQuery, $item);
if ($nl->length > 0) {
$this->setMatches($nl->item(0));
break;
}
else {
$this->noMatches();
}
}
}
else {
$xpath = new DOMXPath($this->document);
$found = new SplObjectStorage();
foreach ($this->matches as $item) {
if ($item->isSameNode($this->document->documentElement) ) {
$xpathQuery = "//*[@class]";
}
else {
$xpathQuery = ".//*[@class]";
}
$nl = $xpath->query($xpathQuery, $item);
for ($i = 0; $i < $nl->length; ++$i) {
$vals = explode(' ', $nl->item($i)->getAttribute('class'));
if (in_array($ids[2], $vals)) $found->attach($nl->item($i));
}
}
$this->setMatches($found);
}
return $this;
}
$query = new QueryPathCssEventHandler($this->matches);
$query->find($selector);
$this->setMatches($query->getMatches());
return $this;
}
public function xpath($query, $options = array()) {
$xpath = new DOMXPath($this->document);
if (!empty($options['namespace_prefix']) && !empty($options['namespace_uri'])) {
$xpath->registerNamespace($options['namespace_prefix'], $options['namespace_uri']);
}
$found = new SplObjectStorage();
foreach ($this->matches as $item) {
$nl = $xpath->query($query, $item);
if ($nl->length > 0) {
for ($i = 0; $i < $nl->length; ++$i) $found->attach($nl->item($i));
}
}
$this->setMatches($found);
return $this;
}
public function size() {
return $this->matches->count();
}
public function count() {
return $this->matches->count();
}
public function get($index = NULL, $asObject = FALSE) {
if (isset($index)) {
return ($this->size() > $index) ? $this->getNthMatch($index) : NULL;
}
if (!$asObject) {
$matches = array();
foreach ($this->matches as $m) $matches[] = $m;
return $matches;
}
return $this->matches;
}
public function document() {
return $this->document;
}
public function xinclude() {
$this->document->xinclude();
return $this;
}
public function toArray() {
return $this->get();
}
public function attr($name = NULL, $value = NULL) {
if (is_null($name)) {
if ($this->matches->count() == 0) return NULL;
$ele = $this->getFirstMatch();
$buffer = array();
foreach ($ele->attributes as $name => $attrNode) {
$buffer[$name] = $attrNode->value;
}
return $buffer;
}
if (is_array($name)) {
foreach ($name as $k => $v) {
foreach ($this->matches as $m) $m->setAttribute($k, $v);
}
return $this;
}
if (isset($value)) {
foreach ($this->matches as $m) $m->setAttribute($name, $value);
return $this;
}
if ($this->matches->count() == 0) return NULL;
if ($name == 'nodeType') {
return $this->getFirstMatch()->nodeType;
}
return $this->getFirstMatch()->getAttribute($name);
}
public function hasAttr($attrName) {
foreach ($this->matches as $match) {
if (!$match->hasAttribute($attrName)) return FALSE;
}
return TRUE;
}
public function css($name = NULL, $value = '') {
if (empty($name)) {
return $this->attr('style');
}
$css = array();
foreach ($this->matches as $match) {
$style = $match->getAttribute('style');
if (!empty($style)) {
$style_array = explode(';', $style);
foreach ($style_array as $item) {
$item = trim($item);
if (strlen($item) == 0) continue;
list($css_att, $css_val) = explode(':',$item, 2);
$css[$css_att] = trim($css_val);
}
}
}
if (is_array($name)) {
$css = array_merge($css, $name);
}
else {
$css[$name] = $value;
}
$format = '%s: %s;';
$css_string = '';
foreach ($css as $n => $v) {
$css_string .= sprintf($format, $n, trim($v));
}
$this->attr('style', $css_string);
return $this;
}
public function dataURL($attr, $data = NULL, $mime = 'application/octet-stream', $context = NULL) {
if (is_null($data)) {
$data = $this->attr($attr);
if (empty($data) || is_array($data) || strpos($data, 'data:') !== 0) {
return;
}
$regex = '/^data:([a-zA-Z0-9]+)\/([a-zA-Z0-9]+);base64,(.*)$/';
$matches = array();
preg_match($regex, $data, $matches);
if (!empty($matches)) {
$result = array(
'mime' => $matches[1] . '/' . $matches[2],
'data' => base64_decode($matches[3]),
);
return $result;
}
}
else {
$attVal = self::encodeDataURL($data, $mime, $context);
return $this->attr($attr, $attVal);
}
}
public function removeAttr($name) {
foreach ($this->matches as $m) {
$m->removeAttribute($name);
}
return $this;
}
public function eq($index) {
$this->setMatches($this->getNthMatch($index));
return $this;
}
public function is($selector) {
if (is_object($selector)) {
if ($selector instanceof DOMNode) {
return count($this->matches) == 1 && $selector->isSameNode($this->get(0));
}
elseif ($selector instanceof Traversable) {
if (count($selector) != count($this->matches)) {
return FALSE;
}
$seen = new SplObjectStorage();
foreach ($selector as $item) {
if (!$this->matches->contains($item) || $seen->contains($item)) {
return FALSE;
}
$seen->attach($item);
}
return TRUE;
}
throw new Exception('Cannot compare an object to a QueryPath.');
return FALSE;
}
foreach ($this->matches as $m) {
$q = new QueryPathCssEventHandler($m);
if ($q->find($selector)->getMatches()->count()) {
return TRUE;
}
}
return FALSE;
}
public function filter($selector) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) if (qp($m, NULL, $this->options)->is($selector)) $found->attach($m);
$this->setMatches($found);
return $this;
}
public function filterLambda($fn) {
$function = create_function('$index, $item', $fn);
$found = new SplObjectStorage();
$i = 0;
foreach ($this->matches as $item)
if ($function($i++, $item) !== FALSE) $found->attach($item);
$this->setMatches($found);
return $this;
}
public function filterPreg($regex) {
$found = new SplObjectStorage();
foreach ($this->matches as $item) {
if (preg_match($regex, $item->textContent) > 0) {
$found->attach($item);
}
}
$this->setMatches($found);
return $this;
}
public function filterCallback($callback) {
$found = new SplObjectStorage();
$i = 0;
if (is_callable($callback)) {
foreach($this->matches as $item)
if (call_user_func($callback, $i++, $item) !== FALSE) $found->attach($item);
}
else {
throw new QueryPathException('The specified callback is not callable.');
}
$this->setMatches($found);
return $this;
}
public function not($selector) {
$found = new SplObjectStorage();
if ($selector instanceof DOMElement) {
foreach ($this->matches as $m) if ($m !== $selector) $found->attach($m);
}
elseif (is_array($selector)) {
foreach ($this->matches as $m) {
if (!in_array($m, $selector, TRUE)) $found->attach($m);
}
}
elseif ($selector instanceof SplObjectStorage) {
foreach ($this->matches as $m) if ($selector->contains($m)) $found->attach($m);
}
else {
foreach ($this->matches as $m) if (!qp($m, NULL, $this->options)->is($selector)) $found->attach($m);
}
$this->setMatches($found);
return $this;
}
public function index($subject) {
$i = 0;
foreach ($this->matches as $m) {
if ($m === $subject) {
return $i;
}
++$i;
}
return FALSE;
}
public function map($callback) {
$found = new SplObjectStorage();
if (is_callable($callback)) {
$i = 0;
foreach ($this->matches as $item) {
$c = call_user_func($callback, $i, $item);
if (isset($c)) {
if (is_array($c) || $c instanceof Iterable) {
foreach ($c as $retval) {
if (!is_object($retval)) {
$tmp = new stdClass();
$tmp->textContent = $retval;
$retval = $tmp;
}
$found->attach($retval);
}
}
else {
if (!is_object($c)) {
$tmp = new stdClass();
$tmp->textContent = $c;
$c = $tmp;
}
$found->attach($c);
}
}
++$i;
}
}
else {
throw new QueryPathException('Callback is not callable.');
}
$this->setMatches($found, FALSE);
return $this;
}
public function slice($start, $length = 0) {
$end = $length;
$found = new SplObjectStorage();
if ($start >= $this->size()) {
$this->setMatches($found);
return $this;
}
$i = $j = 0;
foreach ($this->matches as $m) {
if ($i >= $start) {
if ($end > 0 && $j >= $end) {
break;
}
$found->attach($m);
++$j;
}
++$i;
}
$this->setMatches($found);
return $this;
}
public function each($callback) {
if (is_callable($callback)) {
$i = 0;
foreach ($this->matches as $item) {
if (call_user_func($callback, $i, $item) === FALSE) return $this;
++$i;
}
}
else {
throw new QueryPathException('Callback is not callable.');
}
return $this;
}
public function eachLambda($lambda) {
$index = 0;
foreach ($this->matches as $item) {
$fn = create_function('$index, &$item', $lambda);
if ($fn($index, $item) === FALSE) return $this;
++$index;
}
return $this;
}
public function append($data) {
$data = $this->prepareInsert($data);
if (isset($data)) {
if (empty($this->document->documentElement) && $this->matches->count() == 0) {
$this->document->appendChild($data);
$found = new SplObjectStorage();
$found->attach($this->document->documentElement);
$this->setMatches($found);
}
else {
foreach ($this->matches as $m) {
if ($data instanceof DOMDocumentFragment) {
foreach ($data->childNodes as $n)
$m->appendChild($n->cloneNode(TRUE));
}
else {
$m->appendChild($data->cloneNode(TRUE));
}
}
}
}
return $this;
}
public function appendTo(QueryPath $dest) {
foreach ($this->matches as $m) $dest->append($m);
return $this;
}
public function prepend($data) {
$data = $this->prepareInsert($data);
if (isset($data)) {
foreach ($this->matches as $m) {
$ins = $data->cloneNode(TRUE);
if ($m->hasChildNodes())
$m->insertBefore($ins, $m->childNodes->item(0));
else
$m->appendChild($ins);
}
}
return $this;
}
public function prependTo(QueryPath $dest) {
foreach ($this->matches as $m) $dest->prepend($m);
return $this;
}
public function before($data) {
$data = $this->prepareInsert($data);
foreach ($this->matches as $m) {
$ins = $data->cloneNode(TRUE);
$m->parentNode->insertBefore($ins, $m);
}
return $this;
}
public function insertBefore(QueryPath $dest) {
foreach ($this->matches as $m) $dest->before($m);
return $this;
}
public function insertAfter(QueryPath $dest) {
foreach ($this->matches as $m) $dest->after($m);
return $this;
}
public function after($data) {
$data = $this->prepareInsert($data);
foreach ($this->matches as $m) {
$ins = $data->cloneNode(TRUE);
if (isset($m->nextSibling))
$m->parentNode->insertBefore($ins, $m->nextSibling);
else
$m->parentNode->appendChild($ins);
}
return $this;
}
public function replaceWith($new) {
$data = $this->prepareInsert($new);
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
$parent = $m->parentNode;
$parent->insertBefore($data->cloneNode(TRUE), $m);
$found->attach($parent->removeChild($m));
}
$this->setMatches($found);
return $this;
}
public function unwrap() {
$parents = new SplObjectStorage();
foreach ($this->matches as $m) {
if ($m->isSameNode($m->ownerDocument->documentElement)) {
throw new QueryPathException('Cannot unwrap the root element.');
}
$parent = $m->parentNode;
$old = $parent->removeChild($m);
$parent->parentNode->insertBefore($old, $parent);
$parents->attach($parent);
}
foreach ($parents as $ele) {
$ele->parentNode->removeChild($ele);
}
return $this;
}
public function wrap($markup) {
$data = $this->prepareInsert($markup);
if (empty($data)) {
return $this;
}
foreach ($this->matches as $m) {
$copy = $data->firstChild->cloneNode(TRUE);
if ($copy->hasChildNodes()) {
$deepest = $this->deepestNode($copy);
$bottom = $deepest[0];
}
else
$bottom = $copy;
$parent = $m->parentNode;
$parent->insertBefore($copy, $m);
$m = $parent->removeChild($m);
$bottom->appendChild($m);
}
return $this;
}
public function wrapAll($markup) {
if ($this->matches->count() == 0) return;
$data = $this->prepareInsert($markup);
if (empty($data)) {
return $this;
}
if ($data->hasChildNodes()) {
$deepest = $this->deepestNode($data);
$bottom = $deepest[0];
}
else
$bottom = $data;
$first = $this->getFirstMatch();
$parent = $first->parentNode;
$parent->insertBefore($data, $first);
foreach ($this->matches as $m) {
$bottom->appendChild($m->parentNode->removeChild($m));
}
return $this;
}
/**
* Wrap the child elements of each item in the list with the given markup.
*
* Markup is usually a string, but it can also be a DOMNode, a document
* fragment, a SimpleXMLElement, or another QueryPath object (in which case
* the first item in the list will be used.)
*
* @param string $markup
* Markup that will wrap children of each element in the current list.
* @return QueryPath
* The QueryPath object with the wrapping changes made.
* @see wrap()
* @see wrapAll()
*/
public function wrapInner($markup) {
$data = $this->prepareInsert($markup);
if (empty($data)) return $this;
if ($data->hasChildNodes()) {
$deepest = $this->deepestNode($data);
$bottom = $deepest[0];
}
else
$bottom = $data;
foreach ($this->matches as $m) {
if ($m->hasChildNodes()) {
while($m->firstChild) {
$kid = $m->removeChild($m->firstChild);
$bottom->appendChild($kid);
}
}
$m->appendChild($data);
}
return $this;
}
public function deepest() {
$deepest = 0;
$winner = new SplObjectStorage();
foreach ($this->matches as $m) {
$local_deepest = 0;
$local_ele = $this->deepestNode($m, 0, NULL, $local_deepest);
if ($local_deepest > $deepest) {
$winner = new SplObjectStorage();
foreach ($local_ele as $lele) $winner->attach($lele);
$deepest = $local_deepest;
}
elseif ($local_deepest == $deepest) {
foreach ($local_ele as $lele)
$winner->attach($lele);
}
}
$this->setMatches($winner);
return $this;
}
protected function deepestNode(DOMNode $ele, $depth = 0, $current = NULL, &$deepest = NULL) {
if (!isset($current)) $current = array($ele);
if (!isset($deepest)) $deepest = $depth;
if ($ele->hasChildNodes()) {
foreach ($ele->childNodes as $child) {
if ($child->nodeType === XML_ELEMENT_NODE) {
$current = $this->deepestNode($child, $depth + 1, $current, $deepest);
}
}
}
elseif ($depth > $deepest) {
$current = array($ele);
$deepest = $depth;
}
elseif ($depth === $deepest) {
$current[] = $ele;
}
return $current;
}
protected function prepareInsert($item) {
if(empty($item)) {
return;
}
elseif (is_string($item)) {
if ($this->options['replace_entities']) {
$item = QueryPathEntities::replaceAllEntities($item);
}
$frag = $this->document->createDocumentFragment();
try {
set_error_handler(array('QueryPathParseException', 'initializeFromError'), $this->errTypes);
$frag->appendXML($item);
}
catch (Exception $e) {
restore_error_handler();
throw $e;
}
restore_error_handler();
return $frag;
}
elseif ($item instanceof QueryPath) {
if ($item->size() == 0)
return;
return $this->prepareInsert($item->get(0));
}
elseif ($item instanceof DOMNode) {
if ($item->ownerDocument !== $this->document) {
$item = $this->document->importNode($item, TRUE);
}
return $item;
}
elseif ($item instanceof SimpleXMLElement) {
$element = dom_import_simplexml($item);
return $this->document->importNode($element, TRUE);
}
throw new QueryPathException("Cannot prepare item of unsupported type: " . gettype($item));
}
public function tag() {
return ($this->size() > 0) ? $this->getFirstMatch()->tagName : '';
}
public function remove($selector = NULL) {
if(!empty($selector)) {
$query = new QueryPathCssEventHandler($this->matches);
$query->find($selector);
$matches = $query->getMatches();
}
else {
$matches = $this->matches;
}
$found = new SplObjectStorage();
foreach ($matches as $item) {
$found->attach($item->parentNode->removeChild($item));
}
return count($found) == 0 ? new QueryPath() : new QueryPath($found);
}
public function replaceAll($selector, DOMDocument $document) {
$replacement = $this->size() > 0 ? $this->getFirstMatch() : $this->document->createTextNode('');
$c = new QueryPathCssEventHandler($document);
$c->find($selector);
$temp = $c->getMatches();
foreach ($temp as $item) {
$node = $replacement->cloneNode();
$node = $document->importNode($node);
$item->parentNode->replaceChild($node, $item);
}
return qp($document, NULL, $this->options);
}
public function add($selector) {
$this->last = $this->matches;
foreach (qp($this->document, $selector, $this->options)->get() as $item)
$this->matches->attach($item);
return $this;
}
public function end() {
$this->matches = $this->last;
$this->last = new SplObjectStorage();
return $this;
}
public function andSelf() {
$last = $this->matches;
foreach ($this->last as $item) $this->matches->attach($item);
$this->last = $last;
return $this;
}
public function removeChildren() {
foreach ($this->matches as $m) {
while($kid = $m->firstChild) {
$m->removeChild($kid);
}
}
return $this;
}
public function children($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
foreach($m->childNodes as $c) {
if ($c->nodeType == XML_ELEMENT_NODE) $found->attach($c);
}
}
if (empty($selector)) {
$this->setMatches($found);
}
else {
$this->matches = $found;
$this->filter($selector);
}
return $this;
}
public function contents() {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
if (empty($m->childNodes)) continue;
foreach ($m->childNodes as $c) {
$found->attach($c);
}
}
$this->setMatches($found);
return $this;
}
public function siblings($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
$parent = $m->parentNode;
foreach ($parent->childNodes as $n) {
if ($n->nodeType == XML_ELEMENT_NODE && $n !== $m) {
$found->attach($n);
}
}
}
if (empty($selector)) {
$this->setMatches($found);
}
else {
$this->matches = $found;
$this->filter($selector);
}
return $this;
}
public function closest($selector) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
if (qp($m, NULL, $this->options)->is($selector) > 0) {
$found->attach($m);
}
else {
while ($m->parentNode->nodeType !== XML_DOCUMENT_NODE) {
$m = $m->parentNode;
if ($m->nodeType === XML_ELEMENT_NODE && qp($m, NULL, $this->options)->is($selector) > 0) {
$found->attach($m);
break;
}
}
}
}
$this->setMatches($found);
return $this;
}
public function parent($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while ($m->parentNode->nodeType !== XML_DOCUMENT_NODE) {
$m = $m->parentNode;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector)) {
if (qp($m, NULL, $this->options)->is($selector) > 0) {
$found->attach($m);
break;
}
}
else {
$found->attach($m);
break;
}
}
}
}
$this->setMatches($found);
return $this;
}
public function parents($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while ($m->parentNode->nodeType !== XML_DOCUMENT_NODE) {
$m = $m->parentNode;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector)) {
if (qp($m, NULL, $this->options)->is($selector) > 0)
$found->attach($m);
}
else
$found->attach($m);
}
}
}
$this->setMatches($found);
return $this;
}
public function html($markup = NULL) {
if (isset($markup)) {
if ($this->options['replace_entities']) {
$markup = QueryPathEntities::replaceAllEntities($markup);
}
$doc = $this->document->createDocumentFragment();
$doc->appendXML($markup);
$this->removeChildren();
$this->append($doc);
return $this;
}
$length = $this->size();
if ($length == 0) {
return NULL;
}
$first = $this->getFirstMatch();
if (!($first instanceof DOMNode)) {
return NULL;
}
if(!$first->ownerDocument->documentElement) {
return NULL;
}
if ($first instanceof DOMDocument || $first->isSameNode($first->ownerDocument->documentElement)) {
return $this->document->saveHTML();
}
return $this->document->saveXML($first);
}
public function innerHTML() {
return $this->innerXML();
}
public function innerXHTML() {
$length = $this->size();
if ($length == 0) {
return NULL;
}
$first = $this->getFirstMatch();
if (!($first instanceof DOMNode)) {
return NULL;
}
elseif (!$first->hasChildNodes()) {
return '';
}
$buffer = '';
foreach ($first->childNodes as $child) {
$buffer .= $this->document->saveXML($child, LIBXML_NOEMPTYTAG);
}
return $buffer;
}
public function innerXML() {
$length = $this->size();
if ($length == 0) {
return NULL;
}
$first = $this->getFirstMatch();
if (!($first instanceof DOMNode)) {
return NULL;
}
elseif (!$first->hasChildNodes()) {
return '';
}
$buffer = '';
foreach ($first->childNodes as $child) {
$buffer .= $this->document->saveXML($child);
}
return $buffer;
}
public function textImplode($sep = ', ', $filterEmpties = TRUE) {
$tmp = array();
foreach ($this->matches as $m) {
$txt = $m->textContent;
$trimmed = trim($txt);
if ($filterEmpties) {
if (strlen($trimmed) > 0) $tmp[] = $txt;
}
else {
$tmp[] = $txt;
}
}
return implode($sep, $tmp);
}
function childrenText($separator = ' ') {
return $this->branch()->xpath('descendant::text()')->textImplode($separator);
}
public function text($text = NULL) {
if (isset($text)) {
$this->removeChildren();
$textNode = $this->document->createTextNode($text);
foreach ($this->matches as $m) $m->appendChild($textNode);
return $this;
}
$buf = '';
foreach ($this->matches as $m) $buf .= $m->textContent;
return $buf;
}
public function textBefore($text = NULL) {
if (isset($text)) {
$textNode = $this->document->createTextNode($text);
return $this->before($textNode);
}
$buffer = '';
foreach ($this->matches as $m) {
$p = $m;
while (isset($p->previousSibling) && $p->previousSibling->nodeType == XML_TEXT_NODE) {
$p = $p->previousSibling;
$buffer .= $p->textContent;
}
}
return $buffer;
}
public function textAfter($text = NULL) {
if (isset($text)) {
$textNode = $this->document->createTextNode($text);
return $this->after($textNode);
}
$buffer = '';
foreach ($this->matches as $m) {
$n = $m;
while (isset($n->nextSibling) && $n->nextSibling->nodeType == XML_TEXT_NODE) {
$n = $n->nextSibling;
$buffer .= $n->textContent;
}
}
return $buffer;
}
public function val($value = NULL) {
if (isset($value)) {
$this->attr('value', $value);
return $this;
}
return $this->attr('value');
}
public function xhtml($markup = NULL) {
$omit_xml_decl = $this->options['omit_xml_declaration'];
if ($markup === TRUE) {
$omit_xml_decl = TRUE;
}
elseif (isset($markup)) {
return $this->xml($markup);
}
$length = $this->size();
if ($length == 0) {
return NULL;
}
$first = $this->getFirstMatch();
if (!($first instanceof DOMNode)) {
return NULL;
}
if ($first instanceof DOMDocument || $first->isSameNode($first->ownerDocument->documentElement)) {
$text = $this->document->saveXML(NULL, LIBXML_NOEMPTYTAG);
}
else {
$text = $this->document->saveXML($first, LIBXML_NOEMPTYTAG);
}
if ($omit_xml_decl) {
$text = preg_replace('/<\?xml\s[^>]*\?>/', '', $text);
}
$unary = '/<(area|base|basefont|br|col|frame|hr|img|input|isindex|link|meta|param)(?(?=\s)([^>\/]+))><\/[^>]*>/i';
$text = preg_replace($unary, '<\\1\\2 />', $text);
$cdata = '/(<!\[CDATA\[|\]\]>)/i';
$replace = $this->options['escape_xhtml_js_css_sections'];
$text = preg_replace($cdata, $replace, $text);
return $text;
}
public function xml($markup = NULL) {
$omit_xml_decl = $this->options['omit_xml_declaration'];
if ($markup === TRUE) {
$omit_xml_decl = TRUE;
}
elseif (isset($markup)) {
if ($this->options['replace_entities']) {
$markup = QueryPathEntities::replaceAllEntities($markup);
}
$doc = $this->document->createDocumentFragment();
$doc->appendXML($markup);
$this->removeChildren();
$this->append($doc);
return $this;
}
$length = $this->size();
if ($length == 0) {
return NULL;
}
$first = $this->getFirstMatch();
if (!($first instanceof DOMNode)) {
return NULL;
}
if ($first instanceof DOMDocument || $first->isSameNode($first->ownerDocument->documentElement)) {
return ($omit_xml_decl ? $this->document->saveXML($first->ownerDocument->documentElement) : $this->document->saveXML());
}
return $this->document->saveXML($first);
}
public function writeXML($path = NULL, $options = NULL) {
if ($path == NULL) {
print $this->document->saveXML(NULL, $options);
}
else {
try {
set_error_handler(array('QueryPathIOException', 'initializeFromError'));
$this->document->save($path, $options);
}
catch (Exception $e) {
restore_error_handler();
throw $e;
}
restore_error_handler();
}
return $this;
}
public function writeHTML($path = NULL) {
if ($path == NULL) {
print $this->document->saveHTML();
}
else {
try {
set_error_handler(array('QueryPathParseException', 'initializeFromError'));
$this->document->saveHTMLFile($path);
}
catch (Exception $e) {
restore_error_handler();
throw $e;
}
restore_error_handler();
}
return $this;
}
public function writeXHTML($path = NULL) {
return $this->writeXML($path, LIBXML_NOEMPTYTAG);
}
public function next($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while (isset($m->nextSibling)) {
$m = $m->nextSibling;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector)) {
if (qp($m, NULL, $this->options)->is($selector) > 0) {
$found->attach($m);
break;
}
}
else {
$found->attach($m);
break;
}
}
}
}
$this->setMatches($found);
return $this;
}
public function nextAll($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while (isset($m->nextSibling)) {
$m = $m->nextSibling;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector)) {
if (qp($m, NULL, $this->options)->is($selector) > 0) {
$found->attach($m);
}
}
else {
$found->attach($m);
}
}
}
}
$this->setMatches($found);
return $this;
}
public function prev($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while (isset($m->previousSibling)) {
$m = $m->previousSibling;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector)) {
if (qp($m, NULL, $this->options)->is($selector)) {
$found->attach($m);
break;
}
}
else {
$found->attach($m);
break;
}
}
}
}
$this->setMatches($found);
return $this;
}
public function prevAll($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while (isset($m->previousSibling)) {
$m = $m->previousSibling;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector)) {
if (qp($m, NULL, $this->options)->is($selector)) {
$found->attach($m);
}
}
else {
$found->attach($m);
}
}
}
}
$this->setMatches($found);
return $this;
}
public function peers($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
foreach ($m->parentNode->childNodes as $kid) {
if ($kid->nodeType == XML_ELEMENT_NODE && $m !== $kid) {
if (!empty($selector)) {
if (qp($kid, NULL, $this->options)->is($selector)) {
$found->attach($kid);
}
}
else {
$found->attach($kid);
}
}
}
}
$this->setMatches($found);
return $this;
}
public function addClass($class) {
foreach ($this->matches as $m) {
if ($m->hasAttribute('class')) {
$val = $m->getAttribute('class');
$m->setAttribute('class', $val . ' ' . $class);
}
else {
$m->setAttribute('class', $class);
}
}
return $this;
}
public function removeClass($class) {
foreach ($this->matches as $m) {
if ($m->hasAttribute('class')) {
$vals = explode(' ', $m->getAttribute('class'));
if (in_array($class, $vals)) {
$buf = array();
foreach ($vals as $v) {
if ($v != $class) $buf[] = $v;
}
if (count($buf) == 0)
$m->removeAttribute('class');
else
$m->setAttribute('class', implode(' ', $buf));
}
}
}
return $this;
}
public function hasClass($class) {
foreach ($this->matches as $m) {
if ($m->hasAttribute('class')) {
$vals = explode(' ', $m->getAttribute('class'));
if (in_array($class, $vals)) return TRUE;
}
}
return FALSE;
}
public function branch($selector = NULL) {
$temp = qp($this->matches, NULL, $this->options);
if (isset($selector)) $temp->find($selector);
return $temp;
}
public function cloneAll() {
$found = new SplObjectStorage();
foreach ($this->matches as $m) $found->attach($m->cloneNode(TRUE));
$this->setMatches($found, FALSE);
return $this;
}
public function __clone() {
$this->cloneAll();
}
public function detach($selector = NULL) {
if(!empty($selector))
$this->find($selector);
$found = new SplObjectStorage();
$this->last = $this->matches;
foreach ($this->matches as $item) {
$found->attach($item->parentNode->removeChild($item));
}
$this->setMatches($found);
return $this;
}
public function attach(QueryPath $dest) {
foreach ($this->last as $m) $dest->append($m);
return $this;
}
public function has($contained) {
$found = new SplObjectStorage();
$nodes = array();
if (is_string($contained)) {
$nodes = $this->branch($contained)->get();
}
elseif ($contained instanceof DOMNode) {
$nodes = array($contained);
}
foreach ($nodes as $original_node) {
$node = $original_node;
while (!empty($node)) {
if ($this->matches->contains($node)) {
$found->attach($node);
}
$node = $node->parentNode;
}
}
$this->setMatches($found);
return $this;
}
public function emptyElement() {
$this->removeChildren();
return $this;
}
public function even() {
$found = new SplObjectStorage();
$even = false;
foreach ($this->matches as $m) {
if ($even && $m->nodeType == XML_ELEMENT_NODE) $found->attach($m);
$even = ($even) ? false : true;
}
$this->setMatches($found);
$this->matches = $found;
return $this;
}
public function odd() {
$found = new SplObjectStorage();
$odd = true;
foreach ($this->matches as $m) {
if ($odd && $m->nodeType == XML_ELEMENT_NODE) $found->attach($m);
$odd = ($odd) ? false : true;
}
$this->setMatches($found);
$this->matches = $found;
return $this;
}
public function first() {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
if ($m->nodeType == XML_ELEMENT_NODE) {
$found->attach($m);
break;
}
}
$this->setMatches($found);
$this->matches = $found;
return $this;
}
public function firstChild() {
$found = new SplObjectStorage();
$flag = false;
foreach ($this->matches as $m) {
foreach($m->childNodes as $c) {
if ($c->nodeType == XML_ELEMENT_NODE) {
$found->attach($c);
$flag = true;
break;
}
}
if($flag) break;
}
$this->setMatches($found);
$this->matches = $found;
return $this;
}
public function last() {
$found = new SplObjectStorage();
$item = null;
foreach ($this->matches as $m) {
if ($m->nodeType == XML_ELEMENT_NODE) {
$item = $m;
}
}
if ($item) {
$found->attach($item);
}
$this->setMatches($found);
$this->matches = $found;
return $this;
}
public function lastChild() {
$found = new SplObjectStorage();
$item = null;
foreach ($this->matches as $m) {
foreach($m->childNodes as $c) {
if ($c->nodeType == XML_ELEMENT_NODE) {
$item = $c;
}
}
if ($item) {
$found->attach($item);
$item = null;
}
}
$this->setMatches($found);
$this->matches = $found;
return $this;
}
public function nextUntil($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while (isset($m->nextSibling)) {
$m = $m->nextSibling;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector)) {
if (qp($m, NULL, $this->options)->is($selector) > 0) {
break;
}
else {
$found->attach($m);
}
}
else {
$found->attach($m);
}
}
}
}
$this->setMatches($found);
return $this;
}
public function prevUntil($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while (isset($m->previousSibling)) {
$m = $m->previousSibling;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector) && qp($m, NULL, $this->options)->is($selector))
break;
else
$found->attach($m);
}
}
}
$this->setMatches($found);
return $this;
}
public function parentsUntil($selector = NULL) {
$found = new SplObjectStorage();
foreach ($this->matches as $m) {
while ($m->parentNode->nodeType !== XML_DOCUMENT_NODE) {
$m = $m->parentNode;
if ($m->nodeType === XML_ELEMENT_NODE) {
if (!empty($selector)) {
if (qp($m, NULL, $this->options)->is($selector) > 0)
break;
else
$found->attach($m);
}
else
$found->attach($m);
}
}
}
$this->setMatches($found);
return $this;
}
protected function isXMLish($string) {
return (strpos($string, '<') !== FALSE && strpos($string, '>') !== FALSE);
}
private function parseXMLString($string, $flags = NULL) {
$document = new DOMDocument('1.0');
$lead = strtolower(substr($string, 0, 5));
try {
set_error_handler(array('QueryPathParseException', 'initializeFromError'), $this->errTypes);
if (isset($this->options['convert_to_encoding'])) {
$from_enc = isset($this->options['convert_from_encoding']) ? $this->options['convert_from_encoding'] : 'auto';
$to_enc = $this->options['convert_to_encoding'];
if (function_exists('mb_convert_encoding')) {
$string = mb_convert_encoding($string, $to_enc, $from_enc);
}
}
if (!empty($this->options['strip_low_ascii'])) {
$string = filter_var($string, FILTER_UNSAFE_RAW, FILTER_FLAG_ENCODE_LOW);
}
if (empty($this->options['use_parser'])) {
$useParser = '';
}
else {
$useParser = strtolower($this->options['use_parser']);
}
if ($useParser == 'html') {
$document->loadHTML($string);
}
elseif ($lead == '<?xml' || $useParser == 'xml') {
if ($this->options['replace_entities']) {
$string = QueryPathEntities::replaceAllEntities($string);
}
$document->loadXML($string, $flags);
}
else {
$document->loadHTML($string);
}
}
catch (Exception $e) {
restore_error_handler();
throw $e;
}
restore_error_handler();
if (empty($document)) {
throw new QueryPathParseException('Unknown parser exception.');
}
return $document;
}
public function setMatches($matches, $unique = TRUE) {
$this->last = $this->matches;
if ($matches instanceof SplObjectStorage) {
$this->matches = $matches;
}
elseif (is_array($matches)) {
trigger_error('Legacy array detected.');
$tmp = new SplObjectStorage();
foreach ($matches as $m) $tmp->attach($m);
$this->matches = $tmp;
}
else {
$found = new SplObjectStorage();
if (isset($matches)) $found->attach($matches);
$this->matches = $found;
}
$this->length = $this->matches->count();
}
private function noMatches() {
$this->setMatches(NULL);
}
private function getNthMatch($index) {
if ($index > $this->matches->count() || $index < 0) return;
$i = 0;
foreach ($this->matches as $m) {
if ($i++ == $index) return $m;
}
}
private function getFirstMatch() {
$this->matches->rewind();
return $this->matches->current();
}
/**
* Parse an XML or HTML file.
*
* This attempts to autodetect the type of file, and then parse it.
*
* @param string $filename
* The file name to parse.
* @param int $flags
* The OR-combined flags accepted by the DOM parser. See the PHP documentation
* for DOM or for libxml.
* @param resource $context
* The stream context for the file IO. If this is set, then an alternate
* parsing path is followed: The file is loaded by PHP's stream-aware IO
* facilities, read entirely into memory, and then handed off to
* {@link parseXMLString()}. On large files, this can have a performance impact.
* @throws QueryPathParseException
* Thrown when a file cannot be loaded or parsed.
*/
private function parseXMLFile($filename, $flags = NULL, $context = NULL) {
if (!empty($context)) {
try {
set_error_handler(array('QueryPathParseException', 'initializeFromError'), $this->errTypes);
$contents = file_get_contents($filename, FALSE, $context);
}
catch(Exception $e) {
restore_error_handler();
throw $e;
}
restore_error_handler();
if ($contents == FALSE) {
throw new QueryPathParseException(sprintf('Contents of the file %s could not be retrieved.', $filename));
}
return $this->parseXMLString($contents, $flags);
}
$document = new DOMDocument();
$lastDot = strrpos($filename, '.');
$htmlExtensions = array(
'.html' => 1,
'.htm' => 1,
);
if (empty($this->options['use_parser'])) {
$useParser = '';
}
else {
$useParser = strtolower($this->options['use_parser']);
}
$ext = $lastDot !== FALSE ? strtolower(substr($filename, $lastDot)) : '';
try {
set_error_handler(array('QueryPathParseException', 'initializeFromError'), $this->errTypes);
if ($useParser == 'xml') {
$r = $document->load($filename, $flags);
}
elseif (isset($htmlExtensions[$ext]) || $useParser == 'html') {
$r = $document->loadHTMLFile($filename);
}
else {
$r = $document->load($filename, $flags);
}
}
catch (Exception $e) {
restore_error_handler();
throw $e;
}
restore_error_handler();
return $document;
}
public function __call($name, $arguments) {
if (!QueryPathExtensionRegistry::$useRegistry) {
throw new QueryPathException("No method named $name found (Extensions disabled).");
}
if (empty($this->ext)) {
$this->ext = QueryPathExtensionRegistry::getExtensions($this);
}
if (!empty($this->ext) && QueryPathExtensionRegistry::hasMethod($name)) {
$owner = QueryPathExtensionRegistry::getMethodClass($name);
$method = new ReflectionMethod($owner, $name);
return $method->invokeArgs($this->ext[$owner], $arguments);
}
throw new QueryPathException("No method named $name found. Possibly missing an extension.");
}
public function getIterator() {
$i = new QueryPathIterator($this->matches);
$i->options = $this->options;
return $i;
}
}
class QueryPathEntities {
protected static $regex = '/&([\w]+);|&#([\d]+);|&#(x[0-9a-fA-F]+);|(&)/m';
public static function replaceAllEntities($string) {
return preg_replace_callback(self::$regex, 'QueryPathEntities::doReplacement', $string);
}
protected static function doReplacement($matches) {
$count = count($matches);
switch ($count) {
case 2:
return '&#' . self::replaceEntity($matches[1]) . ';';
case 3:
case 4:
return '&#' . $matches[$count-1] . ';';
case 5:
return '&';
}
}
public static function replaceEntity($entity) {
return self::$entity_array[$entity];
}
private static $entity_array = array(
'nbsp' => 160, 'iexcl' => 161, 'cent' => 162, 'pound' => 163,
'curren' => 164, 'yen' => 165, 'brvbar' => 166, 'sect' => 167,
'uml' => 168, 'copy' => 169, 'ordf' => 170, 'laquo' => 171,
'not' => 172, 'shy' => 173, 'reg' => 174, 'macr' => 175, 'deg' => 176,
'plusmn' => 177, 'sup2' => 178, 'sup3' => 179, 'acute' => 180,
'micro' => 181, 'para' => 182, 'middot' => 183, 'cedil' => 184,
'sup1' => 185, 'ordm' => 186, 'raquo' => 187, 'frac14' => 188,
'frac12' => 189, 'frac34' => 190, 'iquest' => 191, 'Agrave' => 192,
'Aacute' => 193, 'Acirc' => 194, 'Atilde' => 195, 'Auml' => 196,
'Aring' => 197, 'AElig' => 198, 'Ccedil' => 199, 'Egrave' => 200,
'Eacute' => 201, 'Ecirc' => 202, 'Euml' => 203, 'Igrave' => 204,
'Iacute' => 205, 'Icirc' => 206, 'Iuml' => 207, 'ETH' => 208,
'Ntilde' => 209, 'Ograve' => 210, 'Oacute' => 211, 'Ocirc' => 212,
'Otilde' => 213, 'Ouml' => 214, 'times' => 215, 'Oslash' => 216,
'Ugrave' => 217, 'Uacute' => 218, 'Ucirc' => 219, 'Uuml' => 220,
'Yacute' => 221, 'THORN' => 222, 'szlig' => 223, 'agrave' => 224,
'aacute' => 225, 'acirc' => 226, 'atilde' => 227, 'auml' => 228,
'aring' => 229, 'aelig' => 230, 'ccedil' => 231, 'egrave' => 232,
'eacute' => 233, 'ecirc' => 234, 'euml' => 235, 'igrave' => 236,
'iacute' => 237, 'icirc' => 238, 'iuml' => 239, 'eth' => 240,
'ntilde' => 241, 'ograve' => 242, 'oacute' => 243, 'ocirc' => 244,
'otilde' => 245, 'ouml' => 246, 'divide' => 247, 'oslash' => 248,
'ugrave' => 249, 'uacute' => 250, 'ucirc' => 251, 'uuml' => 252,
'yacute' => 253, 'thorn' => 254, 'yuml' => 255, 'quot' => 34,
'amp' => 38, 'lt' => 60, 'gt' => 62, 'apos' => 39, 'OElig' => 338,
'oelig' => 339, 'Scaron' => 352, 'scaron' => 353, 'Yuml' => 376,
'circ' => 710, 'tilde' => 732, 'ensp' => 8194, 'emsp' => 8195,
'thinsp' => 8201, 'zwnj' => 8204, 'zwj' => 8205, 'lrm' => 8206,
'rlm' => 8207, 'ndash' => 8211, 'mdash' => 8212, 'lsquo' => 8216,
'rsquo' => 8217, 'sbquo' => 8218, 'ldquo' => 8220, 'rdquo' => 8221,
'bdquo' => 8222, 'dagger' => 8224, 'Dagger' => 8225, 'permil' => 8240,
'lsaquo' => 8249, 'rsaquo' => 8250, 'euro' => 8364, 'fnof' => 402,
'Alpha' => 913, 'Beta' => 914, 'Gamma' => 915, 'Delta' => 916,
'Epsilon' => 917, 'Zeta' => 918, 'Eta' => 919, 'Theta' => 920,
'Iota' => 921, 'Kappa' => 922, 'Lambda' => 923, 'Mu' => 924, 'Nu' => 925,
'Xi' => 926, 'Omicron' => 927, 'Pi' => 928, 'Rho' => 929, 'Sigma' => 931,
'Tau' => 932, 'Upsilon' => 933, 'Phi' => 934, 'Chi' => 935, 'Psi' => 936,
'Omega' => 937, 'alpha' => 945, 'beta' => 946, 'gamma' => 947,
'delta' => 948, 'epsilon' => 949, 'zeta' => 950, 'eta' => 951,
'theta' => 952, 'iota' => 953, 'kappa' => 954, 'lambda' => 955,
'mu' => 956, 'nu' => 957, 'xi' => 958, 'omicron' => 959, 'pi' => 960,
'rho' => 961, 'sigmaf' => 962, 'sigma' => 963, 'tau' => 964,
'upsilon' => 965, 'phi' => 966, 'chi' => 967, 'psi' => 968,
'omega' => 969, 'thetasym' => 977, 'upsih' => 978, 'piv' => 982,
'bull' => 8226, 'hellip' => 8230, 'prime' => 8242, 'Prime' => 8243,
'oline' => 8254, 'frasl' => 8260, 'weierp' => 8472, 'image' => 8465,
'real' => 8476, 'trade' => 8482, 'alefsym' => 8501, 'larr' => 8592,
'uarr' => 8593, 'rarr' => 8594, 'darr' => 8595, 'harr' => 8596,
'crarr' => 8629, 'lArr' => 8656, 'uArr' => 8657, 'rArr' => 8658,
'dArr' => 8659, 'hArr' => 8660, 'forall' => 8704, 'part' => 8706,
'exist' => 8707, 'empty' => 8709, 'nabla' => 8711, 'isin' => 8712,
'notin' => 8713, 'ni' => 8715, 'prod' => 8719, 'sum' => 8721,
'minus' => 8722, 'lowast' => 8727, 'radic' => 8730, 'prop' => 8733,
'infin' => 8734, 'ang' => 8736, 'and' => 8743, 'or' => 8744, 'cap' => 8745,
'cup' => 8746, 'int' => 8747, 'there4' => 8756, 'sim' => 8764,
'cong' => 8773, 'asymp' => 8776, 'ne' => 8800, 'equiv' => 8801,
'le' => 8804, 'ge' => 8805, 'sub' => 8834, 'sup' => 8835, 'nsub' => 8836,
'sube' => 8838, 'supe' => 8839, 'oplus' => 8853, 'otimes' => 8855,
'perp' => 8869, 'sdot' => 8901, 'lceil' => 8968, 'rceil' => 8969,
'lfloor' => 8970, 'rfloor' => 8971, 'lang' => 9001, 'rang' => 9002,
'loz' => 9674, 'spades' => 9824, 'clubs' => 9827, 'hearts' => 9829,
'diams' => 9830
);
}
class QueryPathIterator extends IteratorIterator {
public $options = array();
private $qp = NULL;
public function current() {
if (!isset($this->qp)) {
$this->qp = qp(parent::current(), NULL, $this->options);
}
else {
$splos = new SplObjectStorage();
$splos->attach(parent::current());
$this->qp->setMatches($splos);
}
return $this->qp;
}
}
class QueryPathOptions {
static $options = array();
static function set($array) {
self::$options = $array;
}
static function get() {
return self::$options;
}
static function merge($array) {
self::$options = $array + self::$options;
}
static function has($key) {
return array_key_exists($key, self::$options);
}
}
class QueryPathException extends Exception {}
class QueryPathParseException extends QueryPathException {
const ERR_MSG_FORMAT = 'Parse error in %s on line %d column %d: %s (%d)';
const WARN_MSG_FORMAT = 'Parser warning in %s on line %d column %d: %s (%d)';
public function __construct($msg = '', $code = 0, $file = NULL, $line = NULL) {
$msgs = array();
foreach(libxml_get_errors() as $err) {
$format = $err->level == LIBXML_ERR_WARNING ? self::WARN_MSG_FORMAT : self::ERR_MSG_FORMAT;
$msgs[] = sprintf($format, $err->file, $err->line, $err->column, $err->message, $err->code);
}
$msg .= implode("\n", $msgs);
if (isset($file)) {
$msg .= ' (' . $file;
if (isset($line)) $msg .= ': ' . $line;
$msg .= ')';
}
parent::__construct($msg, $code);
}
public static function initializeFromError($code, $str, $file, $line, $cxt) {
$class = __CLASS__;
throw new $class($str, $code, $file, $line);
}
}
class QueryPathIOException extends QueryPathParseException {
public static function initializeFromError($code, $str, $file, $line, $cxt) {
$class = __CLASS__;
throw new $class($str, $code, $file, $line);
}
}