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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Convert a PHP messages file to a set of JSON messages files. |
| 5 | * |
| 6 | * Usage: |
| 7 | * php generateJsonI18n.php ExtensionName.i18n.php i18n/ |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 22 | * http://www.gnu.org/copyleft/gpl.html |
| 23 | * |
| 24 | * @file |
| 25 | * @ingroup Maintenance |
| 26 | */ |
| 27 | |
| 28 | use MediaWiki\Json\FormatJson; |
| 29 | |
| 30 | // @codeCoverageIgnoreStart |
| 31 | require_once __DIR__ . '/Maintenance.php'; |
| 32 | // @codeCoverageIgnoreEnd |
| 33 | |
| 34 | /** |
| 35 | * Maintenance script to generate JSON i18n files from a PHP i18n file. |
| 36 | * |
| 37 | * @ingroup Maintenance |
| 38 | */ |
| 39 | class GenerateJsonI18n extends Maintenance { |
| 40 | public function __construct() { |
| 41 | parent::__construct(); |
| 42 | $this->addDescription( 'Build JSON messages files from a PHP messages file' ); |
| 43 | |
| 44 | $this->addArg( 'phpfile', 'PHP file defining a $messages array', false ); |
| 45 | $this->addArg( 'jsondir', 'Directory to write JSON files to', false ); |
| 46 | $this->addOption( 'extension', 'Perform default conversion on an extension', |
| 47 | false, true ); |
| 48 | $this->addOption( 'supplementary', 'Find supplementary i18n files in subdirs and convert those', |
| 49 | false, false ); |
| 50 | } |
| 51 | |
| 52 | public function execute() { |
| 53 | global $IP; |
| 54 | |
| 55 | $phpfile = $this->getArg( 0 ); |
| 56 | $jsondir = $this->getArg( 1 ); |
| 57 | $extension = $this->getOption( 'extension' ); |
| 58 | $convertSupplementaryI18nFiles = $this->hasOption( 'supplementary' ); |
| 59 | |
| 60 | if ( $extension ) { |
| 61 | if ( $phpfile ) { |
| 62 | $this->fatalError( "The phpfile is already specified, conflicts with --extension." ); |
| 63 | } |
| 64 | $phpfile = "$IP/extensions/$extension/$extension.i18n.php"; |
| 65 | } |
| 66 | |
| 67 | if ( !$phpfile ) { |
| 68 | $this->error( "I'm here for an argument!" ); |
| 69 | $this->maybeHelp( true ); |
| 70 | // dies. |
| 71 | } |
| 72 | |
| 73 | if ( $convertSupplementaryI18nFiles ) { |
| 74 | if ( is_readable( $phpfile ) ) { |
| 75 | $this->transformI18nFile( $phpfile, $jsondir ); |
| 76 | } else { |
| 77 | // This is non-fatal because we might want to continue searching for |
| 78 | // i18n files in subdirs even if the extension does not include a |
| 79 | // primary i18n.php. |
| 80 | $this->error( "Warning: no primary i18n file was found." ); |
| 81 | } |
| 82 | $this->output( "Searching for supplementary i18n files...\n" ); |
| 83 | $dir_iterator = new RecursiveDirectoryIterator( dirname( $phpfile ) ); |
| 84 | $iterator = new RecursiveIteratorIterator( |
| 85 | $dir_iterator, RecursiveIteratorIterator::LEAVES_ONLY ); |
| 86 | /** @var SplFileInfo $fileObject */ |
| 87 | foreach ( $iterator as $path => $fileObject ) { |
| 88 | if ( fnmatch( "*.i18n.php", $fileObject->getFilename() ) ) { |
| 89 | $this->output( "Converting $path.\n" ); |
| 90 | $this->transformI18nFile( $path ); |
| 91 | } |
| 92 | } |
| 93 | } else { |
| 94 | // Just convert the primary i18n file. |
| 95 | $this->transformI18nFile( $phpfile, $jsondir ); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | public function transformI18nFile( $phpfile, $jsondir = null ) { |
| 100 | if ( !$jsondir ) { |
| 101 | // Assume the json directory should be in the same directory as the |
| 102 | // .i18n.php file. |
| 103 | $jsondir = dirname( $phpfile ) . "/i18n"; |
| 104 | } |
| 105 | if ( !is_dir( $jsondir ) ) { |
| 106 | $this->output( "Creating directory $jsondir.\n" ); |
| 107 | $success = mkdir( $jsondir ); |
| 108 | if ( !$success ) { |
| 109 | $this->fatalError( "Could not create directory $jsondir" ); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | if ( !is_readable( $phpfile ) ) { |
| 114 | $this->fatalError( "Error reading $phpfile" ); |
| 115 | } |
| 116 | $messages = null; |
| 117 | include $phpfile; |
| 118 | $phpfileContents = file_get_contents( $phpfile ); |
| 119 | |
| 120 | // @phan-suppress-next-line PhanImpossibleCondition Set by include of php file |
| 121 | if ( !isset( $messages ) ) { |
| 122 | $this->fatalError( "PHP file $phpfile does not define \$messages array" ); |
| 123 | } |
| 124 | |
| 125 | if ( !$messages ) { |
| 126 | $this->fatalError( "PHP file $phpfile contains an empty \$messages array. " . |
| 127 | "Maybe it was already converted?" ); |
| 128 | } |
| 129 | |
| 130 | if ( !isset( $messages['en'] ) || !is_array( $messages['en'] ) ) { |
| 131 | $this->fatalError( "PHP file $phpfile does not set language codes" ); |
| 132 | } |
| 133 | |
| 134 | foreach ( $messages as $langcode => $langmsgs ) { |
| 135 | $authors = $this->getAuthorsFromComment( $this->findCommentBefore( |
| 136 | "\$messages['$langcode'] =", |
| 137 | $phpfileContents |
| 138 | ) ); |
| 139 | // Make sure the @metadata key is the first key in the output |
| 140 | $langmsgs = array_merge( |
| 141 | [ '@metadata' => [ 'authors' => $authors ] ], |
| 142 | $langmsgs |
| 143 | ); |
| 144 | |
| 145 | $jsonfile = "$jsondir/$langcode.json"; |
| 146 | $success = file_put_contents( |
| 147 | $jsonfile, |
| 148 | FormatJson::encode( $langmsgs, "\t", FormatJson::ALL_OK ) . "\n" |
| 149 | ); |
| 150 | if ( $success === false ) { |
| 151 | $this->fatalError( "FAILED to write $jsonfile" ); |
| 152 | } |
| 153 | $this->output( "$jsonfile\n" ); |
| 154 | } |
| 155 | |
| 156 | $this->output( |
| 157 | "All done. To complete the conversion, please do the following:\n" . |
| 158 | "* Add \$wgMessagesDirs['YourExtension'] = __DIR__ . '/i18n';\n" . |
| 159 | "* Remove \$wgExtensionMessagesFiles['YourExtension']\n" . |
| 160 | "* Delete the old PHP message file\n" . |
| 161 | "This script no longer generates backward compatibility shims! If you need\n" . |
| 162 | "compatibility with MediaWiki 1.22 and older, use the MediaWiki 1.23 version\n" . |
| 163 | "of this script instead, or create a shim manually.\n" |
| 164 | ); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Find the documentation comment immediately before a given search string |
| 169 | * @param string $needle String to search for |
| 170 | * @param string $haystack String to search in |
| 171 | * @return string Substring of $haystack starting at '/**' ending right before $needle, or empty |
| 172 | */ |
| 173 | protected function findCommentBefore( $needle, $haystack ) { |
| 174 | $needlePos = strpos( $haystack, $needle ); |
| 175 | if ( $needlePos === false ) { |
| 176 | return ''; |
| 177 | } |
| 178 | // Need to pass a negative offset to strrpos() so it'll search backwards from the |
| 179 | // offset |
| 180 | $startPos = strrpos( $haystack, '/**', $needlePos - strlen( $haystack ) ); |
| 181 | if ( $startPos === false ) { |
| 182 | return ''; |
| 183 | } |
| 184 | |
| 185 | return substr( $haystack, $startPos, $needlePos - $startPos ); |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * Get an array of author names from a documentation comment containing @author declarations. |
| 190 | * @param string $comment Documentation comment |
| 191 | * @return string[] Array of author names |
| 192 | */ |
| 193 | protected function getAuthorsFromComment( $comment ) { |
| 194 | return preg_match_all( '/@author (.*?)$/m', $comment, $matches ) ? $matches[1] : []; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | // @codeCoverageIgnoreStart |
| 199 | $maintClass = GenerateJsonI18n::class; |
| 200 | require_once RUN_MAINTENANCE_IF_MAIN; |
| 201 | // @codeCoverageIgnoreEnd |