<?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Util;

use League\CommonMark\Exception\IOException;

/**
 * Reads in a CommonMark spec document and extracts the input/output examples for testing against them
 */
final class SpecReader
{
    private function __construct()
    {
    }

    /**
     * @return iterable<string, array{input: string, output: string, type: string, section: string, number: int}>
     */
    public static function read(string $data): iterable
    {
        // Normalize newlines for platform independence
        $data = \preg_replace('/\r\n?/', "\n", $data);
        \assert($data !== null);
        $data = \preg_replace('/<!-- END TESTS -->.*$/', '', $data);
        \assert($data !== null);
        \preg_match_all('/^`{32} (example ?\w*)\n([\s\S]*?)^\.\n([\s\S]*?)^`{32}$|^#{1,6} *(.*)$/m', $data, $matches, PREG_SET_ORDER);

        $currentSection = 'Example';
        $exampleNumber  = 0;

        foreach ($matches as $match) {
            if (isset($match[4])) {
                $currentSection = $match[4];
                continue;
            }

            yield \trim($currentSection . ' #' . $exampleNumber) => [
                'input'   => \str_replace('→', "\t", $match[2]),
                'output'  => \str_replace('→', "\t", $match[3]),
                'type'    => $match[1],
                'section' => $currentSection,
                'number'  => $exampleNumber++,
            ];
        }
    }

    /**
     * @return iterable<string, array{input: string, output: string, type: string, section: string, number: int}>
     *
     * @throws IOException if the file cannot be loaded
     */
    public static function readFile(string $filename): iterable
    {
        if (($data = \file_get_contents($filename)) === false) {
            throw new IOException(\sprintf('Failed to load spec from %s', $filename));
        }

        return self::read($data);
    }
}

• [F] ArrayCollection.php
  Delete
• [F] Html5EntityDecoder.php
  Delete
• [F] HtmlElement.php
  Delete
• [F] HtmlFilter.php
  Delete
• [F] LinkParserHelper.php
  Delete
• [F] PrioritizedList.php
  Delete
• [F] RegexHelper.php
  Delete
• [F] SpecReader.php
  Delete
• [F] UrlEncoder.php
  Delete
• [F] Xml.php
  Delete

Contact Section

Get in Touch with Us for Any Questions or Support

We’d love to hear from you! Whether you have questions, feedback, or need support, our team is here to help. Reach out to us via email, phone, or visit our office. We’re committed to providing you with exceptional service and ensuring your experience with NFC Pay is seamless and satisfying. Let’s connect!

Name*

Email*

Message*

Send Message

Our Location

20-22 Wenlock Road, England, N1 7GU

Call us on: +03601 885399

Our office hours Monday–Friday, 9am - 9pm

Email us directly

support@example.com