rebuildLanguage.php

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<?php
require_once( __DIR__ . '/../commandLine.inc' );
require_once( 'languages.inc' );
require_once( 'writeMessagesArray.inc' );

function rebuildLanguage( $languages, $code, $write, $listUnknown, $removeUnknown, $removeDupes, $dupeMsgSource, $messagesFolder ) {
        $messages = $languages->getMessages( $code );
        $messages = $messages['all'];
        if ( $removeDupes ) {
                $messages = removeDupes( $messages, $dupeMsgSource );
        }
        MessageWriter::writeMessagesToFile( $messages, $code, $write, $listUnknown, $removeUnknown, $messagesFolder );
}

function removeDupes( $oldMsgArray, $dupeMsgSource ) {
        if ( file_exists( $dupeMsgSource ) ) {
                include( $dupeMsgSource );
                if ( !isset( $dupeMessages ) ) {
                        echo( "There are no duplicated messages in the source file provided." );
                        exit( 1 );
                }
        } else {
                echo ( "The specified file $dupeMsgSource cannot be found." );
                exit( 1 );
        }
        $newMsgArray = $oldMsgArray;
        foreach ( $oldMsgArray as $key => $value ) {
                if ( array_key_exists( $key, $dupeMessages ) ) {
                        unset( $newMsgArray[$key] );
                }
        }
        return $newMsgArray;
}

# Show help
if ( isset( $options['help'] ) ) {
        echo <<<TEXT
Run this script to rewrite the messages array in the files languages/messages/MessagesXX.php.
Parameters:
        * lang: Language code (default: the installation default language). You can also specify "all" to check all the languages.
        * help: Show this help.
Options:
        * dry-run: Do not write the array to the file.
        * no-unknown: Do not list the unknown messages.
        * remove-unknown: Remove unknown messages.
        * remove-duplicates: Remove duplicated messages based on a PHP source file.
        * messages-folder: An alternative folder with MediaWiki messages.

TEXT;
        exit( 1 );
}

# Get the language code
if ( isset( $options['lang'] ) ) {
        $wgCode = $options['lang'];
} else {
        $wgCode = $wgContLang->getCode();
}

# Get the duplicate message source
if ( isset( $options['remove-duplicates'] ) && ( strcmp( $options['remove-duplicates'], '' ) ) ) {
        $wgDupeMessageSource = $options['remove-duplicates'];
} else {
        $wgDupeMessageSource = '';
}

# Get the options
$wgWriteToFile = !isset( $options['dry-run'] );
$wgListUnknownMessages = !isset( $options['no-unknown'] );
$wgRemoveUnknownMessages = isset( $options['remove-unknown'] );
$wgRemoveDuplicateMessages = isset( $options['remove-duplicates'] );
$messagesFolder = isset( $options['messages-folder'] ) ? $options['messages-folder'] : false;

# Get language objects
$languages = new languages();

# Write all the language
if ( $wgCode == 'all' ) {
        foreach ( $languages->getLanguages() as $languageCode ) {
                rebuildLanguage( $languages, $languageCode, $wgWriteToFile, $wgListUnknownMessages, $wgRemoveUnknownMessages, $wgRemoveDuplicateMessages, $wgDupeMessageSource, $messagesFolder );
        }
} else {
        rebuildLanguage( $languages, $wgCode, $wgWriteToFile, $wgListUnknownMessages, $wgRemoveUnknownMessages, $wgRemoveDuplicateMessages, $wgDupeMessageSource, $messagesFolder );
}