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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace MediaWiki\Extension\Translate\Validation\Validators; |
| 5 | |
| 6 | use MediaWiki\Extension\Translate\MessageLoading\Message; |
| 7 | use MediaWiki\Extension\Translate\Validation\MessageValidator; |
| 8 | use MediaWiki\Extension\Translate\Validation\ValidationIssue; |
| 9 | use MediaWiki\Extension\Translate\Validation\ValidationIssues; |
| 10 | |
| 11 | /** |
| 12 | * Checks if the translation uses links that are discouraged. Valid links are those that link |
| 13 | * to Special: or {{ns:special}}: or project pages trough MediaWiki messages like |
| 14 | * {{MediaWiki:helppage-url}}:. Also links in the definition are allowed. |
| 15 | * @license GPL-2.0-or-later |
| 16 | * @since 2020.02 |
| 17 | */ |
| 18 | class MediaWikiLinkValidator implements MessageValidator { |
| 19 | public function getIssues( Message $message, string $targetLanguage ): ValidationIssues { |
| 20 | $issues = new ValidationIssues(); |
| 21 | |
| 22 | $definition = $message->definition(); |
| 23 | $translation = $message->translation(); |
| 24 | |
| 25 | $links = $this->getLinksMissingInTarget( $definition, $translation ); |
| 26 | if ( $links !== [] ) { |
| 27 | $issue = new ValidationIssue( |
| 28 | 'links', |
| 29 | 'missing', |
| 30 | 'translate-checks-links-missing', |
| 31 | [ |
| 32 | [ 'PARAMS', $links ], |
| 33 | [ 'COUNT', count( $links ) ], |
| 34 | ] |
| 35 | ); |
| 36 | $issues->add( $issue ); |
| 37 | } |
| 38 | |
| 39 | $links = $this->getLinksMissingInTarget( $translation, $definition ); |
| 40 | if ( $links !== [] ) { |
| 41 | $issue = new ValidationIssue( |
| 42 | 'links', |
| 43 | 'extra', |
| 44 | 'translate-checks-links', |
| 45 | [ |
| 46 | [ 'PARAMS', $links ], |
| 47 | [ 'COUNT', count( $links ) ], |
| 48 | ] |
| 49 | ); |
| 50 | $issues->add( $issue ); |
| 51 | } |
| 52 | |
| 53 | return $issues; |
| 54 | } |
| 55 | |
| 56 | private function getLinksMissingInTarget( string $source, string $target ): array { |
| 57 | global $wgLegalTitleChars; |
| 58 | $tc = $wgLegalTitleChars . '#%{}'; |
| 59 | $matches = $links = []; |
| 60 | |
| 61 | preg_match_all( "/\[\[([{$tc}]+)(\\|(.+?))?]]/sDu", $source, $matches ); |
| 62 | $count = count( $matches[0] ); |
| 63 | for ( $i = 0; $i < $count; $i++ ) { |
| 64 | $backMatch = preg_quote( $matches[1][$i], '/' ); |
| 65 | if ( preg_match( "/\[\[$backMatch/", $target ) !== 1 ) { |
| 66 | $links[] = "[[{$matches[1][$i]}{$matches[2][$i]}]]"; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | return $links; |
| 71 | } |
| 72 | } |