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adding zend project folders into old campcaster.

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naomiaro 2010-12-07 14:19:27 -05:00
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library/Zend/Dom/Query.php Normal file
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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Dom
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Query.php 21157 2010-02-23 17:52:15Z matthew $
*/
/**
* @see Zend_Dom_Query_Css2Xpath
*/
require_once 'Zend/Dom/Query/Css2Xpath.php';
/**
* @see Zend_Dom_Query_Result
*/
require_once 'Zend/Dom/Query/Result.php';
/**
* Query DOM structures based on CSS selectors and/or XPath
*
* @package Zend_Dom
* @subpackage Query
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Dom_Query
{
/**#@+
* Document types
*/
const DOC_XML = 'docXml';
const DOC_HTML = 'docHtml';
const DOC_XHTML = 'docXhtml';
/**#@-*/
/**
* @var string
*/
protected $_document;
/**
* DOMDocument errors, if any
* @var false|array
*/
protected $_documentErrors = false;
/**
* Document type
* @var string
*/
protected $_docType;
/**
* Constructor
*
* @param null|string $document
* @return void
*/
public function __construct($document = null)
{
$this->setDocument($document);
}
/**
* Set document to query
*
* @param string $document
* @return Zend_Dom_Query
*/
public function setDocument($document)
{
if (0 === strlen($document)) {
return $this;
}
// breaking XML declaration to make syntax highlighting work
if ('<' . '?xml' == substr(trim($document), 0, 5)) {
return $this->setDocumentXml($document);
}
if (strstr($document, 'DTD XHTML')) {
return $this->setDocumentXhtml($document);
}
return $this->setDocumentHtml($document);
}
/**
* Register HTML document
*
* @param string $document
* @return Zend_Dom_Query
*/
public function setDocumentHtml($document)
{
$this->_document = (string) $document;
$this->_docType = self::DOC_HTML;
return $this;
}
/**
* Register XHTML document
*
* @param string $document
* @return Zend_Dom_Query
*/
public function setDocumentXhtml($document)
{
$this->_document = (string) $document;
$this->_docType = self::DOC_XHTML;
return $this;
}
/**
* Register XML document
*
* @param string $document
* @return Zend_Dom_Query
*/
public function setDocumentXml($document)
{
$this->_document = (string) $document;
$this->_docType = self::DOC_XML;
return $this;
}
/**
* Retrieve current document
*
* @return string
*/
public function getDocument()
{
return $this->_document;
}
/**
* Get document type
*
* @return string
*/
public function getDocumentType()
{
return $this->_docType;
}
/**
* Get any DOMDocument errors found
*
* @return false|array
*/
public function getDocumentErrors()
{
return $this->_documentErrors;
}
/**
* Perform a CSS selector query
*
* @param string $query
* @return Zend_Dom_Query_Result
*/
public function query($query)
{
$xpathQuery = Zend_Dom_Query_Css2Xpath::transform($query);
return $this->queryXpath($xpathQuery, $query);
}
/**
* Perform an XPath query
*
* @param string|array $xpathQuery
* @param string $query CSS selector query
* @return Zend_Dom_Query_Result
*/
public function queryXpath($xpathQuery, $query = null)
{
if (null === ($document = $this->getDocument())) {
require_once 'Zend/Dom/Exception.php';
throw new Zend_Dom_Exception('Cannot query; no document registered');
}
libxml_use_internal_errors(true);
$domDoc = new DOMDocument;
$type = $this->getDocumentType();
switch ($type) {
case self::DOC_XML:
$success = $domDoc->loadXML($document);
break;
case self::DOC_HTML:
case self::DOC_XHTML:
default:
$success = $domDoc->loadHTML($document);
break;
}
$errors = libxml_get_errors();
if (!empty($errors)) {
$this->_documentErrors = $errors;
libxml_clear_errors();
}
libxml_use_internal_errors(false);
if (!$success) {
require_once 'Zend/Dom/Exception.php';
throw new Zend_Dom_Exception(sprintf('Error parsing document (type == %s)', $type));
}
$nodeList = $this->_getNodeList($domDoc, $xpathQuery);
return new Zend_Dom_Query_Result($query, $xpathQuery, $domDoc, $nodeList);
}
/**
* Prepare node list
*
* @param DOMDocument $document
* @param string|array $xpathQuery
* @return array
*/
protected function _getNodeList($document, $xpathQuery)
{
$xpath = new DOMXPath($document);
$xpathQuery = (string) $xpathQuery;
if (preg_match_all('|\[contains\((@[a-z0-9_-]+),\s?\' |i', $xpathQuery, $matches)) {
foreach ($matches[1] as $attribute) {
$queryString = '//*[' . $attribute . ']';
$attributeName = substr($attribute, 1);
$nodes = $xpath->query($queryString);
foreach ($nodes as $node) {
$attr = $node->attributes->getNamedItem($attributeName);
$attr->value = ' ' . $attr->value . ' ';
}
}
}
return $xpath->query($xpathQuery);
}
}