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/opt/cpanel/ea-wappspector/vendor/rector/rector/vendor/sebastian/diff/src/Parser.php

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<?php

declare (strict_types=1);
/*
 * This file is part of sebastian/diff.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace RectorPrefix202411\SebastianBergmann\Diff;

use function array_pop;
use function assert;
use function count;
use function max;
use function preg_match;
use function preg_split;
/**
 * Unified diff parser.
 */
final class Parser
{
    /**
     * @return Diff[]
     */
    public function parse(string $string) : array
    {
        $lines = preg_split('(\\r\\n|\\r|\\n)', $string);
        if (!empty($lines) && $lines[count($lines) - 1] === '') {
            array_pop($lines);
        }
        $lineCount = count($lines);
        $diffs = [];
        $diff = null;
        $collected = [];
        for ($i = 0; $i < $lineCount; $i++) {
            if (preg_match('#^---\\h+"?(?P<file>[^\\v\\t"]+)#', $lines[$i], $fromMatch) && preg_match('#^\\+\\+\\+\\h+"?(?P<file>[^\\v\\t"]+)#', $lines[$i + 1], $toMatch)) {
                if ($diff !== null) {
                    $this->parseFileDiff($diff, $collected);
                    $diffs[] = $diff;
                    $collected = [];
                }
                assert(!empty($fromMatch['file']));
                assert(!empty($toMatch['file']));
                $diff = new Diff($fromMatch['file'], $toMatch['file']);
                $i++;
            } else {
                if (preg_match('/^(?:diff --git |index [\\da-f.]+|[+-]{3} [ab])/', $lines[$i])) {
                    continue;
                }
                $collected[] = $lines[$i];
            }
        }
        if ($diff !== null && count($collected)) {
            $this->parseFileDiff($diff, $collected);
            $diffs[] = $diff;
        }
        return $diffs;
    }
    private function parseFileDiff(Diff $diff, array $lines) : void
    {
        $chunks = [];
        $chunk = null;
        $diffLines = [];
        foreach ($lines as $line) {
            if (preg_match('/^@@\\s+-(?P<start>\\d+)(?:,\\s*(?P<startrange>\\d+))?\\s+\\+(?P<end>\\d+)(?:,\\s*(?P<endrange>\\d+))?\\s+@@/', $line, $match, \PREG_UNMATCHED_AS_NULL)) {
                $chunk = new Chunk((int) $match['start'], isset($match['startrange']) ? max(0, (int) $match['startrange']) : 1, (int) $match['end'], isset($match['endrange']) ? max(0, (int) $match['endrange']) : 1);
                $chunks[] = $chunk;
                $diffLines = [];
                continue;
            }
            if (preg_match('/^(?P<type>[+ -])?(?P<line>.*)/', $line, $match)) {
                $type = Line::UNCHANGED;
                if ($match['type'] === '+') {
                    $type = Line::ADDED;
                } elseif ($match['type'] === '-') {
                    $type = Line::REMOVED;
                }
                $diffLines[] = new Line($type, $match['line']);
                ($nullsafeVariable1 = $chunk) ? $nullsafeVariable1->setLines($diffLines) : null;
            }
        }
        $diff->setChunks($chunks);
    }
}

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Name	Size	Perms	Modified	Actions
Exception DIR	-	drwxr-xr-x	2024-11-08 13:59:10	Edit Download recursive recursive
Output DIR	-	drwxr-xr-x	2024-11-08 13:59:10	Edit Download recursive recursive
Chunk.php	2.57 KB	lrw-r--r--	2024-11-08 13:59:10	Edit Download recursive recursive
Diff.php	2.13 KB	lrw-r--r--	2024-11-08 13:59:10	Edit Download recursive recursive
Differ.php	6.74 KB	lrw-r--r--	2024-11-08 13:59:10	Edit Download recursive recursive
Line.php	1.34 KB	lrw-r--r--	2024-11-08 13:59:10	Edit Download recursive recursive
LongestCommonSubsequenceCalculator.php	508 B	lrw-r--r--	2024-11-08 13:59:10	Edit Download recursive recursive
MemoryEfficientLongestCommonSubsequenceCalculator.php	2.55 KB	lrw-r--r--	2024-11-08 13:59:10	Edit Download recursive recursive
Parser.php	3.04 KB	lrw-r--r--	2024-11-08 13:59:10	Edit Download recursive recursive
TimeEfficientLongestCommonSubsequenceCalculator.php	2.31 KB	lrw-r--r--	2024-11-08 13:59:10	Edit Download recursive recursive

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