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5a533a3702
c3ff0fd432
Upgrade to PHPUnit 10 🥳️ (#3332)
69 lines
2.2 KiB
PHP
69 lines
2.2 KiB
PHP
<?php
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declare (strict_types=1);
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/*
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* This file is part of sebastian/diff.
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*
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* (c) Sebastian Bergmann <sebastian@phpunit.de>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace RectorPrefix202302\SebastianBergmann\Diff\Output;
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use function fclose;
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use function fopen;
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use function fwrite;
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use function str_ends_with;
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use function stream_get_contents;
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use function substr;
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use RectorPrefix202302\SebastianBergmann\Diff\Differ;
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/**
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* Builds a diff string representation in a loose unified diff format
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* listing only changes lines. Does not include line numbers.
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*/
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final class DiffOnlyOutputBuilder implements DiffOutputBuilderInterface
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{
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/**
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* @var string
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*/
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private $header;
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public function __construct(string $header = "--- Original\n+++ New\n")
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{
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$this->header = $header;
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}
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public function getDiff(array $diff) : string
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{
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$buffer = fopen('php://memory', 'r+b');
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if ('' !== $this->header) {
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fwrite($buffer, $this->header);
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if (\substr_compare($this->header, "\n", -\strlen("\n")) !== 0) {
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fwrite($buffer, "\n");
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}
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}
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foreach ($diff as $diffEntry) {
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if ($diffEntry[1] === Differ::ADDED) {
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fwrite($buffer, '+' . $diffEntry[0]);
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} elseif ($diffEntry[1] === Differ::REMOVED) {
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fwrite($buffer, '-' . $diffEntry[0]);
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} elseif ($diffEntry[1] === Differ::DIFF_LINE_END_WARNING) {
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fwrite($buffer, ' ' . $diffEntry[0]);
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continue;
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// Warnings should not be tested for line break, it will always be there
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} else {
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/* Not changed (old) 0 */
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continue;
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// we didn't write the not-changed line, so do not add a line break either
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}
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$lc = substr($diffEntry[0], -1);
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if ($lc !== "\n" && $lc !== "\r") {
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fwrite($buffer, "\n");
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// \No newline at end of file
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}
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}
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$diff = stream_get_contents($buffer, -1, 0);
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fclose($buffer);
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return $diff;
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}
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}
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