/usr/share/php/TheSeer/fDOMDocument/fDOMXPath.php is in php-fdomdocument 1.6.0-1.
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/**
* Copyright (c) 2010-2013 Arne Blankerts <arne@blankerts.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of Arne Blankerts nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT * NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER ORCONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* @category PHP
* @package TheSeer\fDOM
* @author Arne Blankerts <arne@blankerts.de>
* @copyright Arne Blankerts <arne@blankerts.de>, All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @link http://github.com/theseer/fdomdocument
*
*/
namespace TheSeer\fDOM {
/**
* fDOMXPath extension to PHP's DOMXPath.
*
* @category PHP
* @package TheSeer\fDOM
* @author Arne Blankerts <arne@blankerts.de>
* @access public
*
*/
class fDOMXPath extends \DOMXPath {
protected $doc;
public function __construct(\DOMDocument $doc) {
parent::__construct($doc);
$this->doc = $doc;
}
public function prepare($xpath, array $valueMap) {
if (count($valueMap)==0) {
return $xpath;
}
foreach($valueMap as $key => $value) {
$xpath = str_replace(':'.$key, $this->quote($value), $xpath);
}
return $xpath;
}
public function query($q, \DOMNode $ctx = null, $registerNodeNS = true) {
libxml_clear_errors();
if (version_compare(PHP_VERSION, '5.3.3', '<') || strpos(PHP_VERSION, 'hiphop') || strpos(PHP_VERSION, 'hhvm')) {
$rc = parent::query($q, ($ctx instanceof \DOMNode) ? $ctx : $this->doc->documentElement);
} else {
$rc = parent::query($q, ($ctx instanceof \DOMNode) ? $ctx : $this->doc->documentElement, $registerNodeNS);
}
if (libxml_get_last_error()) {
throw new fDOMException('evaluating xpath expression failed.', fDOMException::QueryError);
}
return $rc;
}
public function evaluate($q, \DOMNode $ctx = null, $registerNodeNS = true) {
libxml_clear_errors();
if (version_compare(PHP_VERSION, '5.3.3', '<') || strpos(PHP_VERSION, 'hiphop') || strpos(PHP_VERSION, 'hhvm')) {
$rc = parent::evaluate($q, ($ctx instanceof \DOMNode) ? $ctx : $this->doc->documentElement);
} else {
$rc = parent::evaluate($q, ($ctx instanceof \DOMNode) ? $ctx : $this->doc->documentElement, $registerNodeNS);
}
if (libxml_get_last_error()) {
throw new fDOMException('evaluating xpath expression failed.', fDOMException::QueryError);
}
return $rc;
}
public function queryOne($q, \DOMNode $ctx = null, $registerNodeNS = true) {
$rc = $this->evaluate($q, $ctx, $registerNodeNS);
if ($rc instanceof \DOMNodelist) {
return $rc->item(0);
}
return $rc;
}
public function quote($str) {
if (strpos($str, '"') === false) {
return '"'.$str.'"';
}
$parts = explode('"', $str);
return 'concat("' . join('",\'"\',"', $parts).'")';
}
}
}
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