DtdFFS.php

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<?php
class DtdFFS extends SimpleFFS {
    public function getFileExtensions() {
        return [ '.dtd' ];
    }
 
    public function readFromVariable( $data ) {
        preg_match_all( ',# Author: ([^\n]+)\n,', $data, $matches );
        $authors = $matches[1];
 
        preg_match_all( ',<!ENTITY[ ]+([^ ]+)\s+"([^"]+)"[^>]*>,', $data, $matches );
        list( , $keys, $messages ) = $matches;
        $messages = array_combine(
            $keys,
            array_map(
                static function ( $message ) {
                    return html_entity_decode( $message, ENT_QUOTES );
                },
                $messages
            )
        );
 
        $messages = $this->group->getMangler()->mangleArray( $messages );
 
        return [
            'AUTHORS' => $authors,
            'MESSAGES' => $messages,
        ];
    }
 
    protected function writeReal( MessageCollection $collection ) {
        $collection->loadTranslations();
 
        $header = "<!--\n";
        $header .= $this->doHeader( $collection );
        $header .= $this->doAuthors( $collection );
        $header .= "-->\n";
 
        $output = '';
        $mangler = $this->group->getMangler();
 
        foreach ( $collection as $key => $m ) {
            $key = $mangler->unmangle( $key );
            $trans = $m->translation();
            $trans = str_replace( TRANSLATE_FUZZY, '', $trans );
 
            if ( $trans === '' ) {
                continue;
            }
 
            $trans = str_replace( '"', '&quot;', $trans );
            $output .= "<!ENTITY $key \"$trans\">\n";
        }
 
        if ( $output ) {
            return $header . $output;
        }
 
        return false;
    }
 
    protected function doHeader( MessageCollection $collection ) {
        global $wgSitename;
 
        $code = $collection->code;
        $name = TranslateUtils::getLanguageName( $code );
        $native = TranslateUtils::getLanguageName( $code, $code );
 
        $output = "# Messages for $name ($native)\n";
        // @phan-suppress-next-line PhanPossiblyUndeclaredVariable
        $output .= "# Exported from $wgSitename\n\n";
 
        return $output;
    }
 
    protected function doAuthors( MessageCollection $collection ) {
        $output = '';
        $authors = $collection->getAuthors();
        $authors = $this->filterAuthors( $authors, $collection->code );
 
        foreach ( $authors as $author ) {
            $output .= "# Author: $author\n";
        }
 
        return $output;
    }
}