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PK 2�Z�" composer.jsonnu �[��� { "name": "sebastian/diff", "description": "Diff implementation", "keywords": ["diff", "udiff", "unidiff", "unified diff"], "homepage": "https://github.com/sebastianbergmann/diff", "license": "BSD-3-Clause", "authors": [ { "name": "Sebastian Bergmann", "email": "sebastian@phpunit.de" }, { "name": "Kore Nordmann", "email": "mail@kore-nordmann.de" } ], "prefer-stable": true, "config": { "platform": { "php": "7.3.0" }, "optimize-autoloader": true, "sort-packages": true }, "require": { "php": ">=7.3" }, "require-dev": { "phpunit/phpunit": "^9.3", "symfony/process": "^4.2 || ^5" }, "autoload": { "classmap": [ "src/" ] }, "autoload-dev": { "classmap": [ "tests/" ] }, "extra": { "branch-alias": { "dev-master": "4.0-dev" } } } PK 2�Z���P P src/Line.phpnu �[��� <?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; final class Line { public const ADDED = 1; public const REMOVED = 2; public const UNCHANGED = 3; /** * @var int */ private $type; /** * @var string */ private $content; public function __construct(int $type = self::UNCHANGED, string $content = '') { $this->type = $type; $this->content = $content; } public function getContent(): string { return $this->content; } public function getType(): int { return $this->type; } } PK 2�Z>��D� � * src/LongestCommonSubsequenceCalculator.phpnu �[��� <?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; interface LongestCommonSubsequenceCalculator { /** * Calculates the longest common subsequence of two arrays. */ public function calculate(array $from, array $to): array; } PK 2�ZP�9ei i src/Diff.phpnu �[��� <?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; final class Diff { /** * @var string */ private $from; /** * @var string */ private $to; /** * @var Chunk[] */ private $chunks; /** * @param Chunk[] $chunks */ public function __construct(string $from, string $to, array $chunks = []) { $this->from = $from; $this->to = $to; $this->chunks = $chunks; } public function getFrom(): string { return $this->from; } public function getTo(): string { return $this->to; } /** * @return Chunk[] */ public function getChunks(): array { return $this->chunks; } /** * @param Chunk[] $chunks */ public function setChunks(array $chunks): void { $this->chunks = $chunks; } } PK 2�Z��2 2 $ src/Output/DiffOnlyOutputBuilder.phpnu �[��� <?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 fclose; use function fopen; use function fwrite; use function stream_get_contents; use function substr; use SebastianBergmann\Diff\Differ; /** * Builds a diff string representation in a loose unified diff format * listing only changes lines. Does not include line numbers. */ final class DiffOnlyOutputBuilder implements DiffOutputBuilderInterface { /** * @var string */ private $header; public function __construct(string $header = "--- Original\n+++ New\n") { $this->header = $header; } public function getDiff(array $diff): string { $buffer = fopen('php://memory', 'r+b'); if ('' !== $this->header) { fwrite($buffer, $this->header); if ("\n" !== substr($this->header, -1, 1)) { fwrite($buffer, "\n"); } } foreach ($diff as $diffEntry) { if ($diffEntry[1] === Differ::ADDED) { fwrite($buffer, '+' . $diffEntry[0]); } elseif ($diffEntry[1] === Differ::REMOVED) { fwrite($buffer, '-' . $diffEntry[0]); } elseif ($diffEntry[1] === Differ::DIFF_LINE_END_WARNING) { fwrite($buffer, ' ' . $diffEntry[0]); continue; // Warnings should not be tested for line break, it will always be there } else { /* Not changed (old) 0 */ continue; // we didn't write the non changs line, so do not add a line break either } $lc = substr($diffEntry[0], -1); if ($lc !== "\n" && $lc !== "\r") { fwrite($buffer, "\n"); // \No newline at end of file } } $diff = stream_get_contents($buffer, -1, 0); fclose($buffer); return $diff; } } PK 2�Z� ��* �* - src/Output/StrictUnifiedDiffOutputBuilder.phpnu �[��� <?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 $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, ]; /** * @var bool */ private $changed; /** * @var bool */ private $collapseRanges; /** * @var int >= 0 */ private $commonLineThreshold; /** * @var string */ private $header; /** * @var int >= 0 */ private $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 has trailing linebreak, else add under it 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 where 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]); } } } PK 2�ZUkx&! &! 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