diff options
Diffstat (limited to 'vendor/sebastian/diff/src/Output/DiffOnlyOutputBuilder.php')
-rw-r--r-- | vendor/sebastian/diff/src/Output/DiffOnlyOutputBuilder.php | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/vendor/sebastian/diff/src/Output/DiffOnlyOutputBuilder.php b/vendor/sebastian/diff/src/Output/DiffOnlyOutputBuilder.php new file mode 100644 index 000000000..f79a935cb --- /dev/null +++ b/vendor/sebastian/diff/src/Output/DiffOnlyOutputBuilder.php @@ -0,0 +1,72 @@ +<?php declare(strict_types=1); +/* + * This file is part of sebastian/diff. + * + * (c) Sebastian Bergmann <[email protected]> + * + * 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; + } +} |