forked from Cyber/archwiki
199 lines
6.5 KiB
PHP
199 lines
6.5 KiB
PHP
<?php
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/**
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* Convert a PHP messages file to a set of JSON messages files.
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*
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* Usage:
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* php generateJsonI18n.php ExtensionName.i18n.php i18n/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script to generate JSON i18n files from a PHP i18n file.
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*
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* @ingroup Maintenance
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*/
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class GenerateJsonI18n extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Build JSON messages files from a PHP messages file' );
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$this->addArg( 'phpfile', 'PHP file defining a $messages array', false );
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$this->addArg( 'jsondir', 'Directory to write JSON files to', false );
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$this->addOption( 'extension', 'Perform default conversion on an extension',
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false, true );
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$this->addOption( 'supplementary', 'Find supplementary i18n files in subdirs and convert those',
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false, false );
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}
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public function execute() {
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global $IP;
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$phpfile = $this->getArg( 0 );
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$jsondir = $this->getArg( 1 );
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$extension = $this->getOption( 'extension' );
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$convertSupplementaryI18nFiles = $this->hasOption( 'supplementary' );
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if ( $extension ) {
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if ( $phpfile ) {
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$this->fatalError( "The phpfile is already specified, conflicts with --extension." );
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}
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$phpfile = "$IP/extensions/$extension/$extension.i18n.php";
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}
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if ( !$phpfile ) {
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$this->error( "I'm here for an argument!" );
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$this->maybeHelp( true );
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// dies.
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}
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if ( $convertSupplementaryI18nFiles ) {
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if ( is_readable( $phpfile ) ) {
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$this->transformI18nFile( $phpfile, $jsondir );
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} else {
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// This is non-fatal because we might want to continue searching for
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// i18n files in subdirs even if the extension does not include a
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// primary i18n.php.
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$this->error( "Warning: no primary i18n file was found." );
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}
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$this->output( "Searching for supplementary i18n files...\n" );
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$dir_iterator = new RecursiveDirectoryIterator( dirname( $phpfile ) );
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$iterator = new RecursiveIteratorIterator(
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$dir_iterator, RecursiveIteratorIterator::LEAVES_ONLY );
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/** @var SplFileInfo $fileObject */
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foreach ( $iterator as $path => $fileObject ) {
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if ( fnmatch( "*.i18n.php", $fileObject->getFilename() ) ) {
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$this->output( "Converting $path.\n" );
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$this->transformI18nFile( $path );
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}
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}
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} else {
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// Just convert the primary i18n file.
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$this->transformI18nFile( $phpfile, $jsondir );
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}
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}
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public function transformI18nFile( $phpfile, $jsondir = null ) {
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if ( !$jsondir ) {
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// Assume the json directory should be in the same directory as the
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// .i18n.php file.
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$jsondir = dirname( $phpfile ) . "/i18n";
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}
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if ( !is_dir( $jsondir ) ) {
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$this->output( "Creating directory $jsondir.\n" );
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$success = mkdir( $jsondir );
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if ( !$success ) {
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$this->fatalError( "Could not create directory $jsondir" );
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}
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}
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if ( !is_readable( $phpfile ) ) {
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$this->fatalError( "Error reading $phpfile" );
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}
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$messages = null;
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include $phpfile;
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$phpfileContents = file_get_contents( $phpfile );
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// @phan-suppress-next-line PhanImpossibleCondition Set by include of php file
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if ( !isset( $messages ) ) {
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$this->fatalError( "PHP file $phpfile does not define \$messages array" );
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}
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if ( !$messages ) {
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$this->fatalError( "PHP file $phpfile contains an empty \$messages array. " .
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"Maybe it was already converted?" );
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}
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if ( !isset( $messages['en'] ) || !is_array( $messages['en'] ) ) {
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$this->fatalError( "PHP file $phpfile does not set language codes" );
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}
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foreach ( $messages as $langcode => $langmsgs ) {
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$authors = $this->getAuthorsFromComment( $this->findCommentBefore(
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"\$messages['$langcode'] =",
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$phpfileContents
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) );
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// Make sure the @metadata key is the first key in the output
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$langmsgs = array_merge(
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[ '@metadata' => [ 'authors' => $authors ] ],
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$langmsgs
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);
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$jsonfile = "$jsondir/$langcode.json";
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$success = file_put_contents(
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$jsonfile,
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FormatJson::encode( $langmsgs, "\t", FormatJson::ALL_OK ) . "\n"
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);
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if ( $success === false ) {
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$this->fatalError( "FAILED to write $jsonfile" );
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}
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$this->output( "$jsonfile\n" );
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}
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$this->output(
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"All done. To complete the conversion, please do the following:\n" .
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"* Add \$wgMessagesDirs['YourExtension'] = __DIR__ . '/i18n';\n" .
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"* Remove \$wgExtensionMessagesFiles['YourExtension']\n" .
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"* Delete the old PHP message file\n" .
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"This script no longer generates backward compatibility shims! If you need\n" .
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"compatibility with MediaWiki 1.22 and older, use the MediaWiki 1.23 version\n" .
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"of this script instead, or create a shim manually.\n"
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);
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}
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/**
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* Find the documentation comment immediately before a given search string
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* @param string $needle String to search for
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* @param string $haystack String to search in
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* @return string Substring of $haystack starting at '/**' ending right before $needle, or empty
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*/
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protected function findCommentBefore( $needle, $haystack ) {
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$needlePos = strpos( $haystack, $needle );
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if ( $needlePos === false ) {
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return '';
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}
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// Need to pass a negative offset to strrpos() so it'll search backwards from the
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// offset
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$startPos = strrpos( $haystack, '/**', $needlePos - strlen( $haystack ) );
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if ( $startPos === false ) {
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return '';
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}
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return substr( $haystack, $startPos, $needlePos - $startPos );
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}
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/**
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* Get an array of author names from a documentation comment containing @author declarations.
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* @param string $comment Documentation comment
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* @return string[] Array of author names
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*/
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protected function getAuthorsFromComment( $comment ) {
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$matches = null;
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preg_match_all( '/@author (.*?)$/m', $comment, $matches );
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return $matches && $matches[1] ? $matches[1] : [];
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}
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}
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$maintClass = GenerateJsonI18n::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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