class QueryPath in QueryPath 6
Same name and namespace in other branches
- 7.3 QueryPath/QueryPath.php \QueryPath
- 7.2 QueryPath/QueryPath.php \QueryPath
Hierarchy
- class \QueryPath implements \IteratorAggregate
Expanded class hierarchy of QueryPath
1 string reference to 'QueryPath'
- qp in QueryPath/
QueryPath.php
File
- QueryPath/
QueryPath.php, line 46
View source
class QueryPath implements IteratorAggregate {
const VERSION = '2.1.0';
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;
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,
);
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) {
$xpath = new DOMXPath($this->document);
$found = new SplObjectStorage();
foreach ($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 $this->matches
->count();
}
public function get($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 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) {
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 $this;
}
public function wrapInner($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;
}
/**
* Prepare an item for insertion into a DOM.
*
* This handles a variety of boilerplate tasks that need doing before an
* indeterminate object can be inserted into a DOM tree.
* - If item is a string, this is converted into a document fragment and returned.
* - If item is a QueryPath, then the first item is retrieved and this call function
* is called recursivel.
* - If the item is a DOMNode, it is imported into the current DOM if necessary.
* - If the item is a SimpleXMLElement, it is converted into a DOM node and then
* imported.
*
* @param mixed $item
* Item to prepare for insert.
* @return mixed
* Returns the prepared item.
* @throws QueryPathException
* Thrown if the object passed in is not of a supprted object type.
*/
protected function prepareInsert($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)) {
$this
->find($selector);
}
$found = new SplObjectStorage();
foreach ($this->matches as $item) {
$found
->attach($item->parentNode
->removeChild($item));
}
$this
->setMatches($found);
return $this;
}
public function replaceAll($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 $m) {
foreach ($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, $tmp);
}
public function text($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)) {
return $omit_xml_decl ? $this->document
->saveXML($first->ownerDocument->documentElement, LIBXML_NOEMPTYTAG) : $this->document
->saveXML(NULL, LIBXML_NOEMPTYTAG);
}
return $this->document
->saveXML($first, LIBXML_NOEMPTYTAG);
}
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 $this->matches
->current();
}
private function parseXMLFile($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;
}
}