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authorPierre Schmitz <pierre@archlinux.de>2014-12-27 15:41:37 +0100
committerPierre Schmitz <pierre@archlinux.de>2014-12-31 11:43:28 +0100
commitc1f9b1f7b1b77776192048005dcc66dcf3df2bfb (patch)
tree2b38796e738dd74cb42ecd9bfd151803108386bc /maintenance/generateJsonI18n.php
parentb88ab0086858470dd1f644e64cb4e4f62bb2be9b (diff)
Update to MediaWiki 1.24.1
Diffstat (limited to 'maintenance/generateJsonI18n.php')
-rw-r--r--maintenance/generateJsonI18n.php287
1 files changed, 287 insertions, 0 deletions
diff --git a/maintenance/generateJsonI18n.php b/maintenance/generateJsonI18n.php
new file mode 100644
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+++ b/maintenance/generateJsonI18n.php
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+<?php
+
+/**
+ * Convert a PHP messages file to a set of JSON messages files.
+ *
+ * Usage:
+ * php generateJsonI18n.php ExtensionName.i18n.php i18n/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup Maintenance
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script to generate JSON i18n files from a PHP i18n file.
+ *
+ * @ingroup Maintenance
+ */
+class GenerateJsonI18n extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->mDescription = "Build JSON messages files from a PHP messages file";
+
+ $this->addArg( 'phpfile', 'PHP file defining a $messages array', false );
+ $this->addArg( 'jsondir', 'Directory to write JSON files to', false );
+ $this->addOption( 'langcode', 'Language code; only needed for converting core i18n files',
+ false, true );
+ $this->addOption( 'extension', 'Perform default conversion on an extension',
+ false, true );
+ $this->addOption( 'shim-only', 'Only create or update the backward-compatibility shim' );
+ $this->addOption( 'supplementary', 'Find supplementary i18n files in subdirs and convert those',
+ false, false );
+ }
+
+ public function execute() {
+ global $IP;
+
+ $phpfile = $this->getArg( 0 );
+ $jsondir = $this->getArg( 1 );
+ $extension = $this->getOption( 'extension' );
+ $convertSupplementaryI18nFiles = $this->hasOption( 'supplementary' );
+
+ if ( $extension ) {
+ if ( $phpfile ) {
+ $this->error( "The phpfile is already specified, conflicts with --extension.\n", 1 );
+ }
+ $phpfile = "$IP/extensions/$extension/$extension.i18n.php";
+ }
+
+ if ( !$phpfile ) {
+ $this->error( "I'm here for an argument!\n" );
+ $this->maybeHelp( true );
+ // dies.
+ }
+
+ if ( $convertSupplementaryI18nFiles ) {
+ if ( is_readable( $phpfile ) ) {
+ $this->transformI18nFile( $phpfile, $jsondir );
+ } else {
+ // This is non-fatal because we might want to continue searching for
+ // i18n files in subdirs even if the extension does not include a
+ // primary i18n.php.
+ $this->error( "Warning: no primary i18n file was found." );
+ }
+ $this->output( "Searching for supplementary i18n files...\n" );
+ $dir_iterator = new RecursiveDirectoryIterator( dirname( $phpfile ) );
+ $iterator = new RecursiveIteratorIterator(
+ $dir_iterator, RecursiveIteratorIterator::LEAVES_ONLY );
+ foreach ( $iterator as $path => $fileObject ) {
+ if ( fnmatch( "*.i18n.php", $fileObject->getFilename() ) ) {
+ $this->output( "Converting $path.\n" );
+ $this->transformI18nFile( $path );
+ }
+ }
+ } else {
+ // Just convert the primary i18n file.
+ $this->transformI18nFile( $phpfile, $jsondir );
+ }
+ }
+
+ public function transformI18nFile( $phpfile, $jsondir = null ) {
+ if ( !$jsondir ) {
+ // Assume the json directory should be in the same directory as the
+ // .i18n.php file.
+ $jsondir = dirname( $phpfile ) . "/i18n";
+ }
+ if ( !is_dir( $jsondir ) ) {
+ $this->output( "Creating directory $jsondir.\n" );
+ $success = mkdir( $jsondir );
+ if ( !$success ) {
+ $this->error( "Could not create directory $jsondir\n", 1 );
+ }
+ }
+
+ if ( $this->hasOption( 'shim-only' ) ) {
+ $this->shimOnly( $phpfile, $jsondir );
+
+ return;
+ }
+
+ if ( $jsondir === null ) {
+ $this->error( 'Argument [jsondir] is required unless --shim-only is specified.' );
+ $this->maybeHelp( true );
+ }
+
+ if ( !is_readable( $phpfile ) ) {
+ $this->error( "Error reading $phpfile\n", 1 );
+ }
+ include $phpfile;
+ $phpfileContents = file_get_contents( $phpfile );
+
+ if ( !isset( $messages ) ) {
+ $this->error( "PHP file $phpfile does not define \$messages array\n", 1 );
+ }
+
+ $extensionStyle = true;
+ if ( !isset( $messages['en'] ) || !is_array( $messages['en'] ) ) {
+ if ( !$this->hasOption( 'langcode' ) ) {
+ $this->error( "PHP file $phpfile does not set language codes, --langcode " .
+ "is required.\n", 1 );
+ }
+ $extensionStyle = false;
+ $langcode = $this->getOption( 'langcode' );
+ $messages = array( $langcode => $messages );
+ } elseif ( $this->hasOption( 'langcode' ) ) {
+ $this->output( "Warning: --langcode option set but will not be used.\n" );
+ }
+
+ foreach ( $messages as $langcode => $langmsgs ) {
+ $authors = $this->getAuthorsFromComment( $this->findCommentBefore(
+ $extensionStyle ? "\$messages['$langcode'] =" : '$messages =',
+ $phpfileContents
+ ) );
+ // Make sure the @metadata key is the first key in the output
+ $langmsgs = array_merge(
+ array( '@metadata' => array( 'authors' => $authors ) ),
+ $langmsgs
+ );
+
+ $jsonfile = "$jsondir/$langcode.json";
+ $success = file_put_contents(
+ $jsonfile,
+ FormatJson::encode( $langmsgs, "\t", FormatJson::ALL_OK ) . "\n"
+ );
+ if ( $success === false ) {
+ $this->error( "FAILED to write $jsonfile", 1 );
+ }
+ $this->output( "$jsonfile\n" );
+ }
+
+ if ( !$this->hasOption( 'langcode' ) ) {
+ $shim = $this->doShim( $jsondir );
+ file_put_contents( $phpfile, $shim );
+ }
+
+ $this->output( "All done.\n" );
+ $this->output( "Also add \$wgMessagesDirs['YourExtension'] = __DIR__ . '/i18n';\n" );
+ }
+
+ protected function shimOnly( $phpfile, $jsondir ) {
+ if ( file_exists( $phpfile ) ) {
+ if ( !is_readable( $phpfile ) ) {
+ $this->error( "Error reading $phpfile\n", 1 );
+ }
+
+ $phpfileContents = file_get_contents( $phpfile );
+ $m = array();
+ if ( !preg_match( '!"/([^"$]+)/\$csCode.json";!', $phpfileContents, $m ) ) {
+ $this->error( "Cannot recognize $phpfile as a shim.\n", 1 );
+ }
+
+ if ( $jsondir === null ) {
+ $jsondir = $m[1];
+ }
+
+ $this->output( "Updating existing shim $phpfile\n" );
+ } elseif ( $jsondir === null ) {
+ $this->error( "$phpfile does not exist.\n" .
+ "Argument [jsondir] is required in order to create a new shim.\n", 1 );
+ } else {
+ $this->output( "Creating new shim $phpfile\n" );
+ }
+
+ $shim = $this->doShim( $jsondir );
+ file_put_contents( $phpfile, $shim );
+ $this->output( "All done.\n" );
+ }
+
+ protected function doShim( $jsondir ) {
+ $shim = <<<'PHP'
+<?php
+/**
+ * This is a backwards-compatibility shim, generated by:
+ * https://git.wikimedia.org/blob/mediawiki%2Fcore.git/HEAD/maintenance%2FgenerateJsonI18n.php
+ *
+ * Beginning with MediaWiki 1.23, translation strings are stored in json files,
+ * and the EXTENSION.i18n.php file only exists to provide compatibility with
+ * older releases of MediaWiki. For more information about this migration, see:
+ * https://www.mediawiki.org/wiki/Requests_for_comment/Localisation_format
+ *
+ * This shim maintains compatibility back to MediaWiki 1.17.
+ */
+$messages = array();
+if ( !function_exists( '{{FUNC}}' ) ) {
+ function {{FUNC}}( $cache, $code, &$cachedData ) {
+ $codeSequence = array_merge( array( $code ), $cachedData['fallbackSequence'] );
+ foreach ( $codeSequence as $csCode ) {
+ $fileName = dirname( __FILE__ ) . "/{{OUT}}/$csCode.json";
+ if ( is_readable( $fileName ) ) {
+ $data = FormatJson::decode( file_get_contents( $fileName ), true );
+ foreach ( array_keys( $data ) as $key ) {
+ if ( $key === '' || $key[0] === '@' ) {
+ unset( $data[$key] );
+ }
+ }
+ $cachedData['messages'] = array_merge( $data, $cachedData['messages'] );
+ }
+
+ $cachedData['deps'][] = new FileDependency( $fileName );
+ }
+ return true;
+ }
+
+ $GLOBALS['wgHooks']['LocalisationCacheRecache'][] = '{{FUNC}}';
+}
+
+PHP;
+
+ $jsondir = str_replace( '\\', '/', $jsondir );
+ $shim = str_replace( '{{OUT}}', $jsondir, $shim );
+ $shim = str_replace( '{{FUNC}}', 'wfJsonI18nShim' . wfRandomString( 16 ), $shim );
+
+ return $shim;
+ }
+
+ /**
+ * Find the documentation comment immediately before a given search string
+ * @param string $needle String to search for
+ * @param string $haystack String to search in
+ * @return string Substring of $haystack starting at '/**' ending right before $needle, or empty
+ */
+ protected function findCommentBefore( $needle, $haystack ) {
+ $needlePos = strpos( $haystack, $needle );
+ if ( $needlePos === false ) {
+ return '';
+ }
+ // Need to pass a negative offset to strrpos() so it'll search backwards from the
+ // offset
+ $startPos = strrpos( $haystack, '/**', $needlePos - strlen( $haystack ) );
+ if ( $startPos === false ) {
+ return '';
+ }
+
+ return substr( $haystack, $startPos, $needlePos - $startPos );
+ }
+
+ /**
+ * Get an array of author names from a documentation comment containing @author declarations.
+ * @param string $comment Documentation comment
+ * @return array Array of author names (strings)
+ */
+ protected function getAuthorsFromComment( $comment ) {
+ $matches = null;
+ preg_match_all( '/@author (.*?)$/m', $comment, $matches );
+
+ return $matches && $matches[1] ? $matches[1] : array();
+ }
+}
+
+$maintClass = "GenerateJsonI18n";
+require_once RUN_MAINTENANCE_IF_MAIN;