jidaikobo-shibata/a11yc

<?php
/**
 * * A11yc\Validate\Check\HeaderlessSection
 *
 * @package    part of A11yc
 * @author     Jidaikobo Inc.
 * @license    The MIT License (MIT)
 * @copyright  Jidaikobo Inc.
 * @link       http://www.jidaikobo.com
 */
namespace A11yc\Validate\Check;

use A11yc\Element;
use A11yc\Validate;

class HeaderlessSection extends Validate
{
    /**
     * headerless section
     *
     * @param String $url
     * @return Void
     */
    public static function check($url)
    {
        Validate\Set::log($url, 'headerless_section', self::$unspec, 1);
        $str = Element\Get::ignoredHtml($url);

        preg_match_all("/\<section[^\>]*?\>(.+?)\<\/section\>/is", $str, $secs);

        if ( ! $secs[0])
        {
            Validate\Set::log($url, 'headerless_section', self::$unspec, 4);
            return;
        }

        foreach ($secs[0] as $k => $v)
        {
            $tstr = Element\Get\Each::firstTag($v);

            Validate\Set::errorAndLog(
                 ! preg_match("/\<h\d/", $v),
                $url,
                'headerless_section',
                $k,
                $tstr,
                $tstr
            );
        }
        static::addErrorToHtml($url, 'headerless_section', static::$error_ids[$url], 'ignores');
    }
}