WikiPageMessageGroup.php

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<?php
class WikiPageMessageGroup extends WikiMessageGroup {
    protected $title;

    public function __construct( $id, $source ) {
        $this->id = $id;
        $this->title = $source;
        $this->namespace = NS_TRANSLATIONS;
    }

    public function getSourceLanguage() {
        return $this->getTitle()->getPageLanguage()->getCode();
    }

    public function getTitle() {
        if ( is_string( $this->title ) ) {
            $this->title = Title::newFromText( $this->title );
        }

        return $this->title;
    }

    protected $definitions;

    public function getDefinitions() {
        if ( is_array( $this->definitions ) ) {
            return $this->definitions;
        }

        // Avoid replication issues
        $dbr = wfGetDB( DB_MASTER );
        $tables = 'translate_sections';
        $vars = array( 'trs_key', 'trs_text' );
        $conds = array( 'trs_page' => $this->getTitle()->getArticleID() );
        $options = array( 'ORDER BY' => 'trs_order' );
        $res = $dbr->select( $tables, $vars, $conds, __METHOD__, $options );

        $defs = array();
        $prefix = $this->getTitle()->getPrefixedDBKey() . '/';
        $re = '~<tvar\|([^>]+)>(.*?)</>~u';

        foreach ( $res as $r ) {
            $text = $r->trs_text;
            $text = preg_replace( $re, '$\1', $text );
            $defs[$r->trs_key] = $text;
        }

        $new_defs = array();
        foreach ( $defs as $k => $v ) {
            $k = str_replace( ' ', '_', $k );
            $new_defs[$prefix . $k] = $v;
        }

        return $this->definitions = $new_defs;
    }

    public function load( $code ) {
        if ( $this->isSourceLanguage( $code ) ) {
            return $this->getDefinitions();
        }

        return array();
    }

    public function getMessage( $key, $code ) {
        if ( $this->isSourceLanguage( $code ) ) {
            $stuff = $this->load( $code );

            return isset( $stuff[$key] ) ? $stuff[$key] : null;
        }

        $title = Title::makeTitleSafe( $this->getNamespace(), "$key/$code" );

        // BC for MW 1.19 and older
        if ( defined( 'Revision::READ_LATEST' ) ) {
            $rev = Revision::newFromTitle( $title, false, Revision::READ_LATEST );
        } else {
            $rev = Revision::newFromTitle( $title );
        }

        if ( !$rev ) {
            return null;
        }

        return $rev->getText();
    }

    public function getChecker() {
        $checker = new MediaWikiMessageChecker( $this );
        $checker->setChecks( array(
            array( $checker, 'pluralCheck' ),
            array( $checker, 'XhtmlCheck' ),
            array( $checker, 'braceBalanceCheck' ),
            array( $checker, 'pagenameMessagesCheck' ),
            array( $checker, 'miscMWChecks' )
        ) );

        return $checker;
    }

    public function getDescription( IContextSource $context = null ) {
        $title = $this->getTitle()->getPrefixedText();
        $target = ":$title";

        // Allow for adding a custom group description by using
        // "MediaWiki:Tp-custom-<group ID>".
        $customText = '';
        $msg = wfMessage( 'tp-custom-' . $this->id );
        self::addContext( $msg, $context );
        if ( $msg->exists() ) {
            $customText = $msg->plain();
        }

        $msg = wfMessage( 'translate-tag-page-desc', $title, $target );
        self::addContext( $msg, $context );

        return $msg->plain() . $customText;
    }
}