<?php
/**
* This file contains the CssParserFilterPseudoNthChild class.
*
* PHP Version 5.3
*
* @category Css
* @package CssParser
* @author Gonzalo Chumillas <gonzalo@soloproyectos.com>
* @license https://raw2.github.com/soloproyectos/php.common-libs/master/LICENSE BSD 2-Clause License
* @link https://github.com/soloproyectos/php.common-libs
*/
namespace com\soloproyectos\common\css\parser\filter;
use \DOMElement;
use com\soloproyectos\common\css\parser\filter\CssParserFilterPseudo;
use com\soloproyectos\common\dom\DomHelper;
/**
* Class CssParserFilterPseudoNthChild.
*
* This class represents the nth-child pseudo filter.
*
* @category Css
* @package CssParser
* @author Gonzalo Chumillas <gonzalo@soloproyectos.com>
* @license https://raw2.github.com/soloproyectos/php.common-libs/master/LICENSE BSD 2-Clause License
* @link https://github.com/soloproyectos/php.common-libs
*/
class CssParserFilterPseudoNthChild extends CssParserFilterPseudo
{
/**
* Sibling position.
* @var integer
*/
private $_position;
/**
* Constructor.
*
* @param string $input String input
*/
public function __construct($input)
{
$this->_position = intval($input);
}
/**
* Does the node match?
*
* @param DOMElement $node DOMElement object
* @param integer $position Node position
* @param array $items List of nodes
*
* @return boolean
*/
public function match($node, $position, $items)
{
$i = 1;
while ($node = DomHelper::getPreviousSiblingElement($node)) {
$i++;
if ($i > $this->_position) {
return false;
}
}
return ($i == $this->_position);
}
}
|
Download
