Jerodev\Diglett\CssFilters\RegexTextFilter

Complexity

Total Complexity

6

Size/Duplication

Total Lines	33
Duplicated Lines	0 %

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	6	2
A	getFunctionName()	0	3	1
A	filterNodes()	0	15	3

<?php

namespace Jerodev\Diglett\CssFilters;

use Symfony\Component\DomCrawler\Crawler;

class RegexTextFilter implements ICssFilter
{
    private $regex;

    public function __construct(array $parameters) 
    {
        $this->regex = null;
        if (count($parameters) > 0)
        {
            $this->regex = $parameters[0];
        }
    }

    public static function getFunctionName(): string
    {
        return 'regextext';
    }

    public function filterNodes(Crawler $crawler): ?Crawler {

        if ($crawler->count() === 0)
        {
            return null;
        }
        elseif (empty($this->regex))
        {
            return $crawler;
        }
        else
        {
            $regex = $this->regex;
            return $crawler->reduce(function ($node) use ($regex) {
                return preg_match("/$regex/", $node->text()) === 1;
            });
        }

    }
}