You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.0 KiB
71 lines
2.0 KiB
<?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 str_ends_with;
|
|
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
|
|
{
|
|
private string $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, $this->header);
|
|
|
|
if (!str_ends_with($this->header, "\n")) {
|
|
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 not-changed 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;
|
|
}
|
|
}
|