t1gor/Robots.txt-Parser-Class

<?php declare(strict_types=1);

namespace t1gor\RobotsTxtParser\Parser\DirectiveProcessors;

abstract class AbstractAllowanceProcessor extends AbstractDirectiveProcessor implements DirectiveProcessorInterface {

    public function process(string $line, array &$root, string &$currentUserAgent = '*', string $prevLine = '') {
        $parts     = explode(':', $line);
        $entry     = trim($parts[1]);
        $directive = $this->getDirectiveName();

        if (empty($entry)) {
            $this->log(strtr('{directive} with empty value found for {useragent}, skipping', [
                '{directive}' => $directive,
                '{useragent}' => $currentUserAgent,
            ]));

            return;
        }

        if (!preg_match("/^\//", $entry)) {
            $this->log(strtr('{directive} with invalid value "{faulty}" found for {useragent}, skipping', [
                '{directive}' => $directive,
                '{faulty}'    => $entry,
                '{useragent}' => $currentUserAgent,
            ]));

            return;
        }

        if (!isset($root[$currentUserAgent][$directive])) {
            $root[$currentUserAgent][$directive] = [];
        }

        if (!in_array($entry, $root[$currentUserAgent][$directive])) {
            $root[$currentUserAgent][$directive][] = $entry;
        } else {
            $this->log(strtr('{directive} with value {faulty} skipped as already exists for {useragent}', [
                '{directive}' => $directive,
                '{faulty}'    => $entry,
                '{useragent}' => $currentUserAgent,
            ]));
        }
    }
}