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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Diff\TextDiffer; |
| 4 | |
| 5 | use MediaWiki\Language\Language; |
| 6 | use Wikimedia\Diff\Diff; |
| 7 | use Wikimedia\Diff\TableDiffFormatter; |
| 8 | use Wikimedia\Diff\UnifiedDiffFormatter; |
| 9 | |
| 10 | /** |
| 11 | * @since 1.41 |
| 12 | */ |
| 13 | class PhpTextDiffer extends BaseTextDiffer { |
| 14 | /** @var Language|null */ |
| 15 | private $contentLanguage; |
| 16 | |
| 17 | public function __construct( ?Language $contentLanguage ) { |
| 18 | $this->contentLanguage = $contentLanguage; |
| 19 | } |
| 20 | |
| 21 | public function getName(): string { |
| 22 | return 'php'; |
| 23 | } |
| 24 | |
| 25 | public function getFormats(): array { |
| 26 | return [ 'table', 'unified' ]; |
| 27 | } |
| 28 | |
| 29 | /** @inheritDoc */ |
| 30 | public function getFormatContext( string $format ) { |
| 31 | return $format === 'table' ? self::CONTEXT_ROW : self::CONTEXT_PRE; |
| 32 | } |
| 33 | |
| 34 | protected function doRenderBatch( string $oldText, string $newText, array $formats ): array { |
| 35 | $language = $this->contentLanguage; |
| 36 | if ( $language ) { |
| 37 | $oldText = $language->segmentForDiff( $oldText ); |
| 38 | $newText = $language->segmentForDiff( $newText ); |
| 39 | } |
| 40 | $oldLines = explode( "\n", $oldText ); |
| 41 | $newLines = explode( "\n", $newText ); |
| 42 | $diff = new Diff( $oldLines, $newLines ); |
| 43 | $result = []; |
| 44 | foreach ( $formats as $format ) { |
| 45 | switch ( $format ) { |
| 46 | case 'unified': |
| 47 | $formatter = new UnifiedDiffFormatter(); |
| 48 | $diffText = $formatter->format( $diff ); |
| 49 | break; |
| 50 | |
| 51 | default: // 'table': |
| 52 | $formatter = new TableDiffFormatter(); |
| 53 | $diffText = $formatter->format( $diff ); |
| 54 | break; |
| 55 | } |
| 56 | if ( $language ) { |
| 57 | $diffText = $language->unsegmentForDiff( $diffText ); |
| 58 | } |
| 59 | $result[$format] = $diffText; |
| 60 | } |
| 61 | |
| 62 | return $result; |
| 63 | } |
| 64 | |
| 65 | public function localize( string $format, string $diff, array $options = [] ): string { |
| 66 | return $this->localizeLineNumbers( $diff, $options['reducedLineNumbers'] ?? false ); |
| 67 | } |
| 68 | } |