<?php
/**
* Class representing phpQuery objects.
*
* @author Tobiasz Cudnik <tobiasz.cudnik/gmail.com>
* @package phpQuery
* @method phpQueryObject clone() clone()
* @method phpQueryObject empty() empty()
* @method phpQueryObject next() next($selector = null)
* @method phpQueryObject prev() prev($selector = null)
* @property Int $length
*/
class phpQueryObject
implements Iterator, Countable, ArrayAccess {
public $documentID = null;
/**
* DOMDocument class.
*
* @var DOMDocument
*/
public $document = null;
public $charset = null;
/**
*
* @var DOMDocumentWrapper
*/
public $documentWrapper = null;
/**
* XPath interface.
*
* @var DOMXPath
*/
public $xpath = null;
/**
* Stack of selected elements.
* @TODO refactor to ->nodes
* @var array
*/
public $elements = array();
/**
* @access private
*/
protected $elementsBackup = array();
/**
* @access private
*/
protected $previous = null;
/**
* @access private
* @TODO deprecate
*/
protected $root = array();
/**
* Indicated if doument is just a fragment (no <html> tag).
*
* Every document is realy a full document, so even documentFragments can
* be queried against <html>, but getDocument(id)->htmlOuter() will return
* only contents of <body>.
*
* @var bool
*/
public $documentFragment = true;
/**
* Iterator interface helper
* @access private
*/
protected $elementsInterator = array();
/**
* Iterator interface helper
* @access private
*/
protected $valid = false;
/**
* Iterator interface helper
* @access private
*/
protected $current = null;
/**
* Enter description here...
*
* @return phpQueryObject|QueryTemplatesSource|QueryTemplatesParse|QueryTemplatesSourceQuery
*/
public function __construct($documentID) {
// if ($documentID instanceof self)
// var_dump($documentID->getDocumentID());
$id = $documentID instanceof self
? $documentID->getDocumentID()
: $documentID;
// var_dump($id);
if (! isset(phpQuery::$documents[$id] )) {
// var_dump(phpQuery::$documents);
throw new Exception("Document with ID '{$id}' isn't loaded. Use phpQuery::newDocument(\$html) or phpQuery::newDocumentFile(\$file) first.");
}
$this->documentID = $id;
$this->documentWrapper =& phpQuery::$documents[$id];
$this->document =& $this->documentWrapper->document;
$this->xpath =& $this->documentWrapper->xpath;
$this->charset =& $this->documentWrapper->charset;
$this->documentFragment =& $this->documentWrapper->isDocumentFragment;
// TODO check $this->DOM->documentElement;
// $this->root = $this->document->documentElement;
$this->root =& $this->documentWrapper->root;
// $this->toRoot();
$this->elements = array($this->root);
}
/**
*
* @access private
* @param $attr
* @return unknown_type
*/
public function __get($attr) {
switch($attr) {
// FIXME doesnt work at all ?
case 'length':
return $this->size();
break;
default:
return $this->$attr;
}
}
/**
* Saves actual object to $var by reference.
* Useful when need to break chain.
* @param phpQueryObject $var
* @return phpQueryObject|QueryTemplatesSource|QueryTemplatesParse|QueryTemplatesSourceQuery
*/
public function toReference(&$var) {
return $var = $this;
}
public function documentFragment($state = null) {
if ($state) {
phpQuery::$documents[$this->getDocumentID()]['documentFragment'] = $state;
return $this;
}
return $this->documentFragment;
}
/**
* @access private
* @TODO documentWrapper
*/
protected function isRoot( $node) {
// return $node instanceof DOMDOCUMENT || $node->tagName == 'html';
return $node instanceof DOMDOCUMENT
|| ($node instanceof DOMELEMENT && $node->tagName == 'html')
|| $this->root->isSameNode($node);
}
/**
* @access private
*/
protected function stackIsRoot() {
return $this->size() == 1 && $this->isRoot($this->elements[0]);
}
/**
* Enter description here...
* NON JQUERY METHOD
*
* Watch out, it doesn't creates new instance, can be reverted with end().
*
* @return phpQueryObject|QueryTemplatesSource|QueryTemplatesParse|QueryTemplatesSourceQuery
*/
public function toRoot() {
$this->elements = array($this->root);
return $this;
// return $this->newInstance(array($this->root));
}
/**
* Saves object's DocumentID to $var by reference.
* <code>
* $myDocumentId;
* phpQuery::newDocument('<div/>')
* ->getDocumentIDRef($myDocumentId)
* ->find('div')->...
* </code>
*
* @param unknown_type $domId
* @see phpQuery::newDocument
* @see phpQuery::newDocumentFile
* @return phpQueryObject|QueryTemplatesSource|QueryTemplatesParse|QueryTemplatesSourceQuery
*/
public function getDocumentIDRef(&$documentID) {
$documentID = $this->getDocumentID();
return $this;
}
/**
* Returns object with stack set to document root.
*
* @return phpQueryObject|QueryTemplatesSource|QueryTemplatesParse|QueryTemplatesSourceQuery
*/
public function getDocument() {
return phpQuery::getDocument($this->getDocumentID());
}
/**
*
* @return DOMDocument
*/
public function getDOMDocument() {
return $this->document;
}
/**
* Get object's Document ID.
*
* @return phpQueryObject|QueryTemplatesSource|QueryTemplatesParse|QueryTemplatesSourceQuery
*/
public function getDocumentID() {
return $this->documentID;
}
/**
* Unloads whole document from memory.
* CAUTION! None further operations will be possible on this document.
* All objects refering to it will be useless.
*
* @return phpQueryObject|QueryTemplatesSource|QueryTemplatesParse|QueryTemplatesSourceQuery
*/
public function unloadDocument() {
phpQuery::unloadDocuments($this->getDocumentID());
}
public function isHTML() {
return $this->documentWrapper->isHTML;
}
public function isXHTML() {
return $this->documentWrapper->isXHTML;
}
public function isXML() {
return $this->documentWrapper->isXML;
}
/**
* Enter description here...
*
* @link http://docs.jquery.com/Ajax/serialize
* @return string
*/
public function serialize() {
return phpQuery::param($this->serializeArray());
}
/**
* Enter description here...
*
* @link http://docs.jquery.com/Ajax/serializeArray
* @return array
*/
public function serializeArray($submit = null) {
$source = $this->filter('form, input, select, textarea')
->find('input, select, textarea')
->andSelf()
->not('form');
$return = array();
// $source->dumpDie();
foreach($source as $input) {
$input = phpQuery::pq($input);
if ($input->is('[disabled]'))
continue;
if (!$input->is('[name]'))
continue;
if ($input->is('[type=checkbox]') && !$input->is('[checked]'))
continue;
// jquery diff
if ($submit && $input->is('[type=submit]')) {
if ($submit instanceof DOMELEMENT && ! $input->elements[0]->isSameNode($submit))
continue;
else if (is_string($submit) && $input->attr('name') != $submit)
continue;
}
$return[] = array(
'name' => $input->attr('name'),
'value' => $input->val(),
);
}
return $return;
}
/**
* @access private
*/
protected function debug($in) {
if (! phpQuery::$debug )
return;
print('<pre>');
print_r($in);
// file debug
// file_put_contents(dirname(__FILE__).'/phpQuery.log', print_r($in, true)."\n", FILE_APPEND);
// quite handy debug trace
// if ( is_array($in))
// print_r(array_slice(debug_backtrace(), 3));
print("</pre>\n");
}
/**
* @access private
*/
protected function isRegexp($pattern) {
return in_array(
$pattern[ mb_strlen($pattern)-1 ],
array('^','*','$')
);
}
/**
* Determines if $char is really a char.
*
* @param string $char
* @return bool
* @todo rewrite me to charcode range ! ;)
* @access private
*/
protected function isChar($char) {
return extension_loaded('mbstring') && phpQuery::$mbstringSupport
? mb_eregi('\w', $char)
: preg_match('@\w@', $char);
}
/**
* @access private
*/
protected function pars
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