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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace MediaWiki\Extension\Translate\FileFormatSupport; |
| 5 | |
| 6 | use FileBasedMessageGroup; |
| 7 | use MediaWiki\Extension\Translate\MessageLoading\Message; |
| 8 | use MediaWiki\Extension\Translate\MessageLoading\MessageCollection; |
| 9 | use MediaWiki\Extension\Translate\MessageProcessing\ArrayFlattener; |
| 10 | use MediaWiki\Json\FormatJson; |
| 11 | |
| 12 | /** |
| 13 | * JsonFormat implements a message format where messages are encoded |
| 14 | * as key-value pairs in JSON objects. The format is extended to |
| 15 | * support author information under the special @metadata key. |
| 16 | * |
| 17 | * @author Niklas Laxström |
| 18 | * @license GPL-2.0-or-later |
| 19 | * @ingroup FileFormatSupport |
| 20 | */ |
| 21 | class JsonFormat extends SimpleFormat { |
| 22 | private ?ArrayFlattener $flattener; |
| 23 | |
| 24 | public static function isValid( string $data ): bool { |
| 25 | return is_array( FormatJson::decode( $data, /*as array*/true ) ); |
| 26 | } |
| 27 | |
| 28 | public function __construct( FileBasedMessageGroup $group ) { |
| 29 | parent::__construct( $group ); |
| 30 | $this->flattener = $this->getFlattener(); |
| 31 | } |
| 32 | |
| 33 | public function getFileExtensions(): array { |
| 34 | return [ '.json' ]; |
| 35 | } |
| 36 | |
| 37 | /** @return array Parsed data. */ |
| 38 | public function readFromVariable( string $data ): array { |
| 39 | $messages = (array)FormatJson::decode( $data, /*as array*/true ); |
| 40 | $authors = []; |
| 41 | $metadata = []; |
| 42 | |
| 43 | if ( isset( $messages['@metadata']['authors'] ) ) { |
| 44 | $authors = (array)$messages['@metadata']['authors']; |
| 45 | unset( $messages['@metadata']['authors'] ); |
| 46 | } |
| 47 | |
| 48 | if ( isset( $messages['@metadata'] ) ) { |
| 49 | $metadata = $messages['@metadata']; |
| 50 | } |
| 51 | |
| 52 | unset( $messages['@metadata'] ); |
| 53 | |
| 54 | if ( $this->flattener ) { |
| 55 | $messages = $this->flattener->flatten( $messages ); |
| 56 | } |
| 57 | |
| 58 | $messages = $this->group->getMangler()->mangleArray( $messages ); |
| 59 | |
| 60 | return [ |
| 61 | 'MESSAGES' => $messages, |
| 62 | 'AUTHORS' => $authors, |
| 63 | 'EXTRA' => [ 'METADATA' => $metadata ], |
| 64 | ]; |
| 65 | } |
| 66 | |
| 67 | protected function writeReal( MessageCollection $collection ): string { |
| 68 | $template = $this->read( $collection->getLanguage() ) ?: []; |
| 69 | $authors = $this->filterAuthors( $collection->getAuthors(), $collection->getLanguage() ); |
| 70 | $messages = []; |
| 71 | |
| 72 | /** @var Message $m */ |
| 73 | foreach ( $collection as $key => $m ) { |
| 74 | $value = $m->translation(); |
| 75 | if ( $value === null ) { |
| 76 | continue; |
| 77 | } |
| 78 | |
| 79 | if ( $m->hasTag( 'fuzzy' ) ) { |
| 80 | $value = str_replace( TRANSLATE_FUZZY, '', $value ); |
| 81 | } |
| 82 | |
| 83 | $messages[$key] = $value; |
| 84 | } |
| 85 | |
| 86 | // Do not create files without translations |
| 87 | if ( $messages === [] ) { |
| 88 | return ''; |
| 89 | } |
| 90 | |
| 91 | $template['MESSAGES'] = $messages; |
| 92 | $template['AUTHORS'] = $authors; |
| 93 | |
| 94 | return $this->generateFile( $template ); |
| 95 | } |
| 96 | |
| 97 | public function generateFile( array $template ): string { |
| 98 | $messages = $template['MESSAGES']; |
| 99 | $authors = $template['AUTHORS']; |
| 100 | |
| 101 | if ( $this->flattener ) { |
| 102 | $messages = $this->flattener->unflatten( $messages ); |
| 103 | } |
| 104 | |
| 105 | $mangler = $this->group->getMangler(); |
| 106 | $messages = $mangler->unmangleArray( $messages ); |
| 107 | |
| 108 | if ( $this->extra['includeMetadata'] ?? true ) { |
| 109 | $metadata = $template['EXTRA']['METADATA'] ?? []; |
| 110 | $metadata['authors'] = $authors; |
| 111 | |
| 112 | $messages = [ '@metadata' => $metadata ] + $messages; |
| 113 | } |
| 114 | |
| 115 | return FormatJson::encode( $messages, "\t", FormatJson::ALL_OK ) . "\n"; |
| 116 | } |
| 117 | |
| 118 | private function getFlattener(): ?ArrayFlattener { |
| 119 | if ( !isset( $this->extra['nestingSeparator'] ) ) { |
| 120 | return null; |
| 121 | } |
| 122 | |
| 123 | $parseCLDRPlurals = $this->extra['parseCLDRPlurals'] ?? false; |
| 124 | |
| 125 | return new ArrayFlattener( $this->extra['nestingSeparator'], $parseCLDRPlurals ); |
| 126 | } |
| 127 | |
| 128 | public function isContentEqual( ?string $a, ?string $b ): bool { |
| 129 | if ( $this->flattener ) { |
| 130 | return $this->flattener->compareContent( $a, $b ); |
| 131 | } else { |
| 132 | return parent::isContentEqual( $a, $b ); |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | public static function getExtraSchema(): array { |
| 137 | return [ |
| 138 | 'root' => [ |
| 139 | '_type' => 'array', |
| 140 | '_children' => [ |
| 141 | 'FILES' => [ |
| 142 | '_type' => 'array', |
| 143 | '_children' => [ |
| 144 | 'nestingSeparator' => [ |
| 145 | '_type' => 'text', |
| 146 | ], |
| 147 | 'parseCLDRPlurals' => [ |
| 148 | '_type' => 'boolean', |
| 149 | ], |
| 150 | 'includeMetadata' => [ |
| 151 | '_type' => 'boolean', |
| 152 | ] |
| 153 | ] |
| 154 | ] |
| 155 | ] |
| 156 | ] |
| 157 | ]; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | class_alias( JsonFormat::class, 'JsonFFS' ); |