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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace MediaWiki\Extension\Translate\FileFormatSupport; |
| 5 | |
| 6 | use InvalidArgumentException; |
| 7 | use MediaWiki\Extension\Translate\MessageLoading\Message; |
| 8 | use MediaWiki\Extension\Translate\MessageLoading\MessageCollection; |
| 9 | use MediaWiki\Extension\Translate\Utilities\Utilities; |
| 10 | |
| 11 | /** |
| 12 | * AppleFFS class implements support for Apple .strings files. |
| 13 | * This class reads and writes only UTF-8 files. |
| 14 | * |
| 15 | * This class has not yet been battle-tested, so beware. |
| 16 | * |
| 17 | * @author Brion Vibber <bvibber@wikimedia.org> |
| 18 | * @ingroup FileFormatSupport |
| 19 | */ |
| 20 | class AppleFormat extends SimpleFormat { |
| 21 | public function supportsFuzzy(): string { |
| 22 | return 'write'; |
| 23 | } |
| 24 | |
| 25 | public function getFileExtensions(): array { |
| 26 | return [ '.strings' ]; |
| 27 | } |
| 28 | |
| 29 | /** @inheritDoc */ |
| 30 | public function readFromVariable( string $data ): array { |
| 31 | $lines = explode( "\n", $data ); |
| 32 | $authors = $messages = []; |
| 33 | $linecontinuation = false; |
| 34 | |
| 35 | foreach ( $lines as $line ) { |
| 36 | $line = trim( $line ); |
| 37 | if ( $linecontinuation ) { |
| 38 | if ( str_contains( $line, '*/' ) ) { |
| 39 | $linecontinuation = false; |
| 40 | } |
| 41 | } else { |
| 42 | if ( $line === '' ) { |
| 43 | continue; |
| 44 | } |
| 45 | |
| 46 | if ( substr( $line, 0, 2 ) === '//' ) { |
| 47 | // Single-line comment |
| 48 | $match = []; |
| 49 | $ok = preg_match( '~//\s*Author:\s*(.*)~', $line, $match ); |
| 50 | if ( $ok ) { |
| 51 | $authors[] = $match[1]; |
| 52 | } |
| 53 | continue; |
| 54 | } |
| 55 | |
| 56 | if ( substr( $line, 0, 2 ) === '/*' ) { |
| 57 | if ( strpos( $line, '*/', 2 ) === false ) { |
| 58 | $linecontinuation = true; |
| 59 | } |
| 60 | continue; |
| 61 | } |
| 62 | |
| 63 | [ $key, $value ] = $this->readRow( $line ); |
| 64 | $messages[$key] = $value; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | $messages = $this->group->getMangler()->mangleArray( $messages ); |
| 69 | |
| 70 | return [ |
| 71 | 'AUTHORS' => $authors, |
| 72 | 'MESSAGES' => $messages, |
| 73 | ]; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Parses non-empty strings file row to key and value. |
| 78 | * Can be overridden by child classes. |
| 79 | * @throws InvalidArgumentException |
| 80 | * @return array array( string $key, string $val ) |
| 81 | */ |
| 82 | public function readRow( string $line ): array { |
| 83 | $match = []; |
| 84 | if ( preg_match( '/^"((?:\\\"|[^"])*)"\s*=\s*"((?:\\\"|[^"])*)"\s*;\s*$/', $line, $match ) ) { |
| 85 | $key = self::unescapeString( $match[1] ); |
| 86 | $value = self::unescapeString( $match[2] ); |
| 87 | if ( $key === '' ) { |
| 88 | throw new InvalidArgumentException( "Empty key in line $line" ); |
| 89 | } |
| 90 | return [ $key, $value ]; |
| 91 | } else { |
| 92 | throw new InvalidArgumentException( "Unrecognized line format: $line" ); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | protected function writeReal( MessageCollection $collection ): string { |
| 97 | $header = $this->doHeader( $collection ); |
| 98 | $header .= $this->doAuthors( $collection ); |
| 99 | $header .= "\n"; |
| 100 | |
| 101 | $output = ''; |
| 102 | $mangler = $this->group->getMangler(); |
| 103 | |
| 104 | /** @var Message $m */ |
| 105 | foreach ( $collection as $key => $m ) { |
| 106 | $value = $m->translation(); |
| 107 | $value = str_replace( TRANSLATE_FUZZY, '', $value ); |
| 108 | |
| 109 | if ( $value === '' ) { |
| 110 | continue; |
| 111 | } |
| 112 | |
| 113 | // Just to give an overview of translation quality. |
| 114 | if ( $m->hasTag( 'fuzzy' ) ) { |
| 115 | $output .= "// Fuzzy\n"; |
| 116 | } |
| 117 | |
| 118 | $key = $mangler->unmangle( $key ); |
| 119 | $output .= $this->writeRow( $key, $value ); |
| 120 | } |
| 121 | |
| 122 | if ( $output ) { |
| 123 | $data = $header . $output; |
| 124 | } else { |
| 125 | $data = $header; |
| 126 | } |
| 127 | |
| 128 | return $data; |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Writes well-formed properties file row with key and value. |
| 133 | * Can be overridden by child classes. |
| 134 | */ |
| 135 | public function writeRow( string $key, string $value ): string { |
| 136 | return self::quoteString( $key ) . ' = ' . self::quoteString( $value ) . ';' . "\n"; |
| 137 | } |
| 138 | |
| 139 | /** Quote and escape Obj-C-style strings for .strings format. */ |
| 140 | protected static function quoteString( string $str ): string { |
| 141 | return '"' . self::escapeString( $str ) . '"'; |
| 142 | } |
| 143 | |
| 144 | /** Escape Obj-C-style strings; use backslash-escapes etc. */ |
| 145 | private static function escapeString( string $str ): string { |
| 146 | $str = addcslashes( $str, '\\"' ); |
| 147 | $str = str_replace( "\n", '\\n', $str ); |
| 148 | return $str; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Unescape Obj-C-style strings; can include backslash-escapes |
| 153 | * |
| 154 | * @todo support \UXXXX |
| 155 | */ |
| 156 | protected static function unescapeString( string $str ): string { |
| 157 | return stripcslashes( $str ); |
| 158 | } |
| 159 | |
| 160 | private function doHeader( MessageCollection $collection ): string { |
| 161 | if ( isset( $this->extra['header'] ) ) { |
| 162 | $output = $this->extra['header']; |
| 163 | } else { |
| 164 | global $wgSitename; |
| 165 | |
| 166 | $code = $collection->code; |
| 167 | $name = Utilities::getLanguageName( $code ); |
| 168 | $native = Utilities::getLanguageName( $code, $code ); |
| 169 | $output = "// Messages for $name ($native)\n"; |
| 170 | $output .= "// Exported from $wgSitename\n"; |
| 171 | } |
| 172 | |
| 173 | return $output; |
| 174 | } |
| 175 | |
| 176 | private function doAuthors( MessageCollection $collection ): string { |
| 177 | $output = ''; |
| 178 | $authors = $collection->getAuthors(); |
| 179 | $authors = $this->filterAuthors( $authors, $collection->code ); |
| 180 | |
| 181 | foreach ( $authors as $author ) { |
| 182 | $output .= "// Author: $author\n"; |
| 183 | } |
| 184 | |
| 185 | return $output; |
| 186 | } |
| 187 | |
| 188 | public static function getExtraSchema(): array { |
| 189 | return [ |
| 190 | 'root' => [ |
| 191 | '_type' => 'array', |
| 192 | '_children' => [ |
| 193 | 'FILES' => [ |
| 194 | '_type' => 'array', |
| 195 | '_children' => [ |
| 196 | 'header' => [ |
| 197 | '_type' => 'text', |
| 198 | ], |
| 199 | ] |
| 200 | ] |
| 201 | ] |
| 202 | ] |
| 203 | ]; |
| 204 | } |
| 205 | } |
| 206 | |
| 207 | class_alias( AppleFormat::class, 'AppleFFS' ); |