CrawlerAssertion.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\UI\Implementation\Crawler\Exception;
 
class CrawlerAssertion
{
    protected ?Factory $f = null;
 
    public function __construct()
    {
        $this->f = new Factory();
    }
 
    public function isArray($array): void
    {
        if (!is_array($array)) {
            throw $this->f->exception(CrawlerException::ARRAY_EXPECTED, $array);
        }
    }
 
    public function isString($string, bool $allow_empty = true): void
    {
        if (!is_string($string)) {
            if (is_array($string)) {
                $string = json_encode($string);
            }
            throw $this->f->exception(CrawlerException::STRING_EXPECTED, (string) $string);
        }
        if (!$allow_empty && $string == "") {
            throw $this->f->exception(CrawlerException::EMPTY_STRING, (string) $string);
        }
    }
 
    public function isIndex($index, array $array): void
    {
        if (!array_key_exists($index, $array)) {
            throw $this->f->exception(CrawlerException::INVALID_INDEX, strval($index));
        }
    }
 
    public function isNotIndex($index, array $array): void
    {
        if (array_key_exists($index, $array)) {
            throw $this->f->exception(CrawlerException::DUPLICATE_ENTRY, strval($index));
        }
    }
 
    public function hasIndex(array $array, $index): void
    {
        if (!array_key_exists($index, $array)) {
            throw $this->f->exception(CrawlerException::MISSING_INDEX, strval($index));
        }
    }
 
    public function isTypeOf($element, string $class_name): void
    {
        if (!get_class($element) == $class_name) {
            throw $this->f->exception(
                CrawlerException::INVALID_TYPE,
                "Expected: " . $class_name . " got " . get_class($element)
            );
        }
    }
}