JsonFFS.php

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<?php
class JsonFFS extends SimpleFFS {
    public static function isValid( $data ) {
        return is_array( FormatJSON::decode( $data, /*as array*/true ) );
    }

    public function getFileExtensions() {
        return array( '.json' );
    }

    public function readFromVariable( $data ) {
        $messages = (array) FormatJSON::decode( $data, /*as array*/true );
        $authors = array();
        $metadata = array();

        if ( isset( $messages['@metadata']['authors'] ) ) {
            $authors = (array)$messages['@metadata']['authors'];
            unset( $messages['@metadata']['authors'] );
        }

        if ( isset( $messages['@metadata'] ) ) {
            $metadata = $messages['@metadata'];
        }

        unset( $messages['@metadata'] );

        $messages = $this->group->getMangler()->mangle( $messages );

        return array(
            'MESSAGES' => $messages,
            'AUTHORS' => $authors,
            'METADATA' => $metadata,
        );
    }

    protected function writeReal( MessageCollection $collection ) {
        $messages = array();
        $template = $this->read( $collection->getLanguage() );

        if ( isset( $template['METADATA'] ) ) {
            $messages['@metadata'] = $template['METADATA'];
        }

        $authors = $collection->getAuthors();
        $authors = $this->filterAuthors( $authors, $collection->code );

        if ( $authors !== array() ) {
            $messages['@metadata']['authors'] = $authors;
        }

        $mangler = $this->group->getMangler();

        foreach ( $collection as $key => $m ) {
            $value = $m->translation();
            if ( $value === null ) {
                continue;
            }

            if ( $m->hasTag( 'fuzzy' ) ) {
                $value = str_replace( TRANSLATE_FUZZY, '', $value );
            }

            $key = $mangler->unmangle( $key );
            $messages[$key] = $value;
        }

        // Do not create empty files
        if ( !count( $messages ) ) {
            return '';
        }

        return FormatJSON::encode( $messages, /*pretty*/true );
    }
}