PHP Classes

File: classes/css/parser/model/css-parser-model-factor.php

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  Classes of Gonzalo Chumillas   PHP Query   classes/css/parser/model/css-parser-model-factor.php   Download  
File: classes/css/parser/model/css-parser-model-factor.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP Query
Parse and access XML documents as arrays
Author: By
Last change: update
Date: 8 years ago
Size: 2,723 bytes
 

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<?php
/**
 * This file contains the CssParserModelFactor 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\model;
use \
DOMElement;
use
com\soloproyectos\common\css\parser\combinator\CssParserCombinator;
use
com\soloproyectos\common\css\parser\model\CssParserModelElement;

/**
 * Class CssParserModelFactor.
 *
 * This class represents a factor in a CSS expression. A factor is composed a
 * combinator and an element.
 *
 * @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 CssParserModelFactor
{
    const
DESCENDANT_OPERATOR = "";
    const
CHILD_OPERATOR = ">";
    const
ADJACENT_OPERATOR = "+";
   
   
/**
     * Combinator.
     * @var string
     */
   
private $_combinator;
   
   
/**
     * Element.
     * @var CssParserModelElement
     */
   
private $_element;
   
   
/**
     * Constructor.
     *
     * @param CssParserCombinator $combinator Combinator
     * @param CssParserModelElement $element Element object
     */
   
public function __construct($combinator, $element)
    {
       
$this->_combinator = $combinator;
       
$this->_element = $element;
    }
   
   
/**
     * Gets the element.
     *
     * @return CssParserModelElement
     */
   
public function getElement()
    {
        return
$this->_element;
    }
   
   
/**
     * Gets the elements that matches the factor.
     *
     * @param DOMElement $node DOMElement object
     *
     * @return array of DOMElement
     */
   
public function filter($node)
    {
       
$ret = array();
       
$items = $this->_combinator->filter($node, $this->_element->getTagName());
       
       
// filters items by element
       
foreach ($items as $item) {
            if (
$this->_element->match($item)) {
               
array_push($ret, $item);
            }
        }
       
       
// filter items by element filters
       
$filters = $this->_element->getFilters();
        foreach (
$filters as $filter) {
           
$items = array();
            foreach (
$ret as $i => $item) {
                if (
$filter->match($item, $i, $ret)) {
                   
array_push($items, $item);
                }
            }
           
$ret = $items;
        }
       
        return
$ret;
    }
}