IniFFS.php

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<?php
class IniFFS extends SimpleFFS {
    public static function isValid( $data ) {
        $conf = [
            'BASIC' => [ 'class' => FileBasedMessageGroup::class, 'namespace' => 8 ],
            'FILES' => []
        ];
        $group = MessageGroupBase::factory( $conf );
        '@phan-var FileBasedMessageGroup $group';
 
        $ffs = new self( $group );
        $parsed = $ffs->readFromVariable( $data );
 
        return (bool)count( $parsed['MESSAGES'] );
    }
 
    public function supportsFuzzy() {
        return 'write';
    }
 
    public function getFileExtensions() {
        return [ '.ini' ];
    }
 
    public function readFromVariable( $data ) {
        $authors = [];
        preg_match_all( '/^; Author: (.*)$/m', $data, $matches, PREG_SET_ORDER );
        foreach ( $matches as $match ) {
            $authors[] = $match[1];
        }
 
        // Remove comments
        $data = preg_replace( '/^\s*;.*$/m', '', $data );
        // Make sure values are quoted, PHP barks on stuff like ?{}|&~![()^
        $data = preg_replace( '/(^.+?=\s*)([^\'"].+)$/m', '\1"\2"', $data );
 
        $messages = parse_ini_string( $data );
        if ( is_array( $messages ) ) {
            $messages = $this->group->getMangler()->mangleArray( $messages );
        } else {
            $messages = null;
        }
 
        return [
            'MESSAGES' => $messages,
            'AUTHORS' => $authors,
        ];
    }
 
    protected function writeReal( MessageCollection $collection ) {
        $output = '';
        $mangler = $this->group->getMangler();
 
        foreach ( $collection as $key => $m ) {
            $value = $m->translation();
            if ( $value === null ) {
                continue;
            }
 
            $comment = '';
 
            if ( $m->hasTag( 'fuzzy' ) ) {
                $value = str_replace( TRANSLATE_FUZZY, '', $value );
                $comment = "; Fuzzy\n";
            }
 
            $key = $mangler->unmangle( $key );
            $output .= "$comment$key = $value\n";
        }
 
        // Do not create empty files
        if ( $output === '' ) {
            return '';
        }
 
        global $wgSitename;
        // Accumulator
        $header = "; Exported from $wgSitename\n";
 
        $authors = $collection->getAuthors();
        $authors = $this->filterAuthors( $authors, $collection->getLanguage() );
        foreach ( $authors as $author ) {
            $header .= "; Author: $author\n";
        }
 
        $header .= '[' . $collection->getLanguage() . "]\n";
 
        return $header . $output;
    }
}