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view vendor/sebastian/diff/src/Output/AbstractChunkOutputBuilder.php @ 19:fa3358dc1485 tip
Add ndrum files
author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 1fec387a4317 |
children |
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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 SebastianBergmann\Diff\Output; abstract class AbstractChunkOutputBuilder implements DiffOutputBuilderInterface { /** * Takes input of the diff array and returns the common parts. * Iterates through diff line by line. * * @param array $diff * @param int $lineThreshold * * @return array */ protected function getCommonChunks(array $diff, int $lineThreshold = 5): array { $diffSize = \count($diff); $capturing = false; $chunkStart = 0; $chunkSize = 0; $commonChunks = []; for ($i = 0; $i < $diffSize; ++$i) { if ($diff[$i][1] === 0 /* OLD */) { if ($capturing === false) { $capturing = true; $chunkStart = $i; $chunkSize = 0; } else { ++$chunkSize; } } elseif ($capturing !== false) { if ($chunkSize >= $lineThreshold) { $commonChunks[$chunkStart] = $chunkStart + $chunkSize; } $capturing = false; } } if ($capturing !== false && $chunkSize >= $lineThreshold) { $commonChunks[$chunkStart] = $chunkStart + $chunkSize; } return $commonChunks; } }