Subversion-Projekte lars-tiefland.laravel_shop

<?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);

    }

}