FM / Output

/opt/cpanel/ea-wappspector/vendor/sebastian/diff/src/Output/

/opt/cpanel/ea-wappspector/vendor/sebastian/diff/src/Output

Name	Size	Mode	Actions
AbstractChunkOutputBuilder.php	1538	0644	edit dl rm
DiffOnlyOutputBuilder.php	2097	0644	edit dl rm
DiffOutputBuilderInterface.php	521	0644	edit dl rm
StrictUnifiedDiffOutputBuilder.php	10924	0644	edit dl rm
UnifiedDiffOutputBuilder.php	8381	0644	edit dl rm

Edit: /opt/cpanel/ea-wappspector/vendor/sebastian/diff/src/Output/StrictUnifiedDiffOutputBuilder.php (10924B)

<?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 SebastianBergmann\Diff\Output;

use function array_merge;
use function array_splice;
use function count;
use function fclose;
use function fopen;
use function fwrite;
use function is_bool;
use function is_int;
use function is_string;
use function max;
use function min;
use function sprintf;
use function stream_get_contents;
use function substr;
use SebastianBergmann\Diff\ConfigurationException;
use SebastianBergmann\Diff\Differ;

/**
 * Strict Unified diff output builder.
 *
 * Generates (strict) Unified diff's (unidiffs) with hunks.
 */
final class StrictUnifiedDiffOutputBuilder implements DiffOutputBuilderInterface
{
    private static array $default = [
        'collapseRanges'      => true, // ranges of length one are rendered with the trailing `,1`
        'commonLineThreshold' => 6,    // number of same lines before ending a new hunk and creating a new one (if needed)
        'contextLines'        => 3,    // like `diff:  -u, -U NUM, --unified[=NUM]`, for patch/git apply compatibility best to keep at least @ 3
        'fromFile'            => null,
        'fromFileDate'        => null,
        'toFile'              => null,
        'toFileDate'          => null,
    ];
    private bool $changed;
    private bool $collapseRanges;

/**
     * @psalm-var positive-int
     */
    private int $commonLineThreshold;
    private string $header;

/**
     * @psalm-var positive-int
     */
    private int $contextLines;

public function __construct(array $options = [])
    {
        $options = array_merge(self::$default, $options);

if (!is_bool($options['collapseRanges'])) {
            throw new ConfigurationException('collapseRanges', 'a bool', $options['collapseRanges']);
        }

if (!is_int($options['contextLines']) || $options['contextLines'] < 0) {
            throw new ConfigurationException('contextLines', 'an int >= 0', $options['contextLines']);
        }

if (!is_int($options['commonLineThreshold']) || $options['commonLineThreshold'] <= 0) {
            throw new ConfigurationException('commonLineThreshold', 'an int > 0', $options['commonLineThreshold']);
        }

$this->assertString($options, 'fromFile');
        $this->assertString($options, 'toFile');
        $this->assertStringOrNull($options, 'fromFileDate');
        $this->assertStringOrNull($options, 'toFileDate');

$this->header = sprintf(
            "--- %s%s\n+++ %s%s\n",
            $options['fromFile'],
            null === $options['fromFileDate'] ? '' : "\t" . $options['fromFileDate'],
            $options['toFile'],
            null === $options['toFileDate'] ? '' : "\t" . $options['toFileDate'],
        );

$this->collapseRanges      = $options['collapseRanges'];
        $this->commonLineThreshold = $options['commonLineThreshold'];
        $this->contextLines        = $options['contextLines'];
    }

public function getDiff(array $diff): string
    {
        if (0 === count($diff)) {
            return '';
        }

$this->changed = false;

$buffer = fopen('php://memory', 'r+b');
        fwrite($buffer, $this->header);

$this->writeDiffHunks($buffer, $diff);

if (!$this->changed) {
            fclose($buffer);

return '';
        }

$diff = stream_get_contents($buffer, -1, 0);

fclose($buffer);

// If the last char is not a linebreak: add it.
        // This might happen when both the `from` and `to` do not have a trailing linebreak
        $last = substr($diff, -1);

return "\n" !== $last && "\r" !== $last
            ? $diff . "\n"
            : $diff;
    }

private function writeDiffHunks($output, array $diff): void
    {
        // detect "No newline at end of file" and insert into `$diff` if needed

$upperLimit = count($diff);

if (0 === $diff[$upperLimit - 1][1]) {
            $lc = substr($diff[$upperLimit - 1][0], -1);

if ("\n" !== $lc) {
                array_splice($diff, $upperLimit, 0, [["\n\\ No newline at end of file\n", Differ::NO_LINE_END_EOF_WARNING]]);
            }
        } else {
            // search back for the last `+` and `-` line,
            // check if it has a trailing linebreak, else add a warning under it
            $toFind = [1 => true, 2 => true];

for ($i = $upperLimit - 1; $i >= 0; $i--) {
                if (isset($toFind[$diff[$i][1]])) {
                    unset($toFind[$diff[$i][1]]);
                    $lc = substr($diff[$i][0], -1);

if ("\n" !== $lc) {
                        array_splice($diff, $i + 1, 0, [["\n\\ No newline at end of file\n", Differ::NO_LINE_END_EOF_WARNING]]);
                    }

if (!count($toFind)) {
                        break;
                    }
                }
            }
        }

// write hunks to output buffer

$cutOff      = max($this->commonLineThreshold, $this->contextLines);
        $hunkCapture = false;
        $sameCount   = $toRange = $fromRange = 0;
        $toStart     = $fromStart = 1;
        $i           = 0;

/** @var int $i */
        foreach ($diff as $i => $entry) {
            if (0 === $entry[1]) { // same
                if (false === $hunkCapture) {
                    $fromStart++;
                    $toStart++;

continue;
                }

$sameCount++;
                $toRange++;
                $fromRange++;

if ($sameCount === $cutOff) {
                    $contextStartOffset = ($hunkCapture - $this->contextLines) < 0
                        ? $hunkCapture
                        : $this->contextLines;

// note: $contextEndOffset = $this->contextLines;
                    //
                    // because we never go beyond the end of the diff.
                    // with the cutoff/contextlines here the follow is never true;
                    //
                    // if ($i - $cutOff + $this->contextLines + 1 > \count($diff)) {
                    //    $contextEndOffset = count($diff) - 1;
                    // }
                    //
                    // ; that would be true for a trailing incomplete hunk case which is dealt with after this loop

$this->writeHunk(
                        $diff,
                        $hunkCapture - $contextStartOffset,
                        $i - $cutOff + $this->contextLines + 1,
                        $fromStart - $contextStartOffset,
                        $fromRange - $cutOff + $contextStartOffset + $this->contextLines,
                        $toStart - $contextStartOffset,
                        $toRange - $cutOff + $contextStartOffset + $this->contextLines,
                        $output,
                    );

$fromStart += $fromRange;
                    $toStart   += $toRange;

$hunkCapture = false;
                    $sameCount   = $toRange = $fromRange = 0;
                }

continue;
            }

$sameCount = 0;

if ($entry[1] === Differ::NO_LINE_END_EOF_WARNING) {
                continue;
            }

$this->changed = true;

if (false === $hunkCapture) {
                $hunkCapture = $i;
            }

if (Differ::ADDED === $entry[1]) { // added
                $toRange++;
            }

if (Differ::REMOVED === $entry[1]) { // removed
                $fromRange++;
            }
        }

if (false === $hunkCapture) {
            return;
        }

// we end here when cutoff (commonLineThreshold) was not reached, but we were capturing a hunk,
        // do not render hunk till end automatically because the number of context lines might be less than the commonLineThreshold

$contextStartOffset = $hunkCapture - $this->contextLines < 0
            ? $hunkCapture
            : $this->contextLines;

// prevent trying to write out more common lines than there are in the diff _and_
        // do not write more than configured through the context lines
        $contextEndOffset = min($sameCount, $this->contextLines);

$fromRange -= $sameCount;
        $toRange   -= $sameCount;

$this->writeHunk(
            $diff,
            $hunkCapture - $contextStartOffset,
            $i - $sameCount + $contextEndOffset + 1,
            $fromStart - $contextStartOffset,
            $fromRange + $contextStartOffset + $contextEndOffset,
            $toStart - $contextStartOffset,
            $toRange + $contextStartOffset + $contextEndOffset,
            $output,
        );
    }

private function writeHunk(
        array $diff,
        int $diffStartIndex,
        int $diffEndIndex,
        int $fromStart,
        int $fromRange,
        int $toStart,
        int $toRange,
        $output
    ): void {
        fwrite($output, '@@ -' . $fromStart);

if (!$this->collapseRanges || 1 !== $fromRange) {
            fwrite($output, ',' . $fromRange);
        }

fwrite($output, ' +' . $toStart);

if (!$this->collapseRanges || 1 !== $toRange) {
            fwrite($output, ',' . $toRange);
        }

fwrite($output, " @@\n");

for ($i = $diffStartIndex; $i < $diffEndIndex; $i++) {
            if ($diff[$i][1] === Differ::ADDED) {
                $this->changed = true;
                fwrite($output, '+' . $diff[$i][0]);
            } elseif ($diff[$i][1] === Differ::REMOVED) {
                $this->changed = true;
                fwrite($output, '-' . $diff[$i][0]);
            } elseif ($diff[$i][1] === Differ::OLD) {
                fwrite($output, ' ' . $diff[$i][0]);
            } elseif ($diff[$i][1] === Differ::NO_LINE_END_EOF_WARNING) {
                $this->changed = true;
                fwrite($output, $diff[$i][0]);
            }
            // } elseif ($diff[$i][1] === Differ::DIFF_LINE_END_WARNING) { // custom comment inserted by PHPUnit/diff package
            //  skip
            // } else {
            //  unknown/invalid
            // }
        }
    }

private function assertString(array $options, string $option): void
    {
        if (!is_string($options[$option])) {
            throw new ConfigurationException($option, 'a string', $options[$option]);
        }
    }

private function assertStringOrNull(array $options, string $option): void
    {
        if (null !== $options[$option] && !is_string($options[$option])) {
            throw new ConfigurationException($option, 'a string or <null>', $options[$option]);
        }
    }
}

cmd: