<?php
function smarty_function_MTEntryTrackbackData($args, &$ctx) {
    $e = $ctx->stash('entry');
    if (!$e['trackback_id']) {
        return '';
    }
    if ($e['trackback_is_disabled']) {
        return '';
    }
    require_once "function.MTCGIPath.php";
    $path = smarty_function_MTCGIPath($args, $ctx);
    $path .= $ctx->mt->config['TrackbackScript'] . '/' . $e['trackback_id'];
    if ($at = $ctx->stash('current_archive_type')) {
        $url = $ctx->tag('ArchiveLink');
        if ($at != 'Individual') {
            $url .= '#' . sprintf("%06d", $e['entry_id']);
        }
    } else {
        $url = $ctx->tag('EntryPermalink');
    }
    $rdf = '';
    $comment_wrap = isset($args['comment_wrap']) ?
        $args['comment_wrap'] : 1;
    if ($comment_wrap) {
        $rdf .= "<!--\n";
    }
    require_once("MTUtil.php");
    ## SGML comments cannot contain double hyphens, so we convert
    ## any double hyphens to single hyphens.
    $title = encode_xml(strip_hyphen($e['entry_title']), 1);
    $subject = encode_xml(strip_hyphen($ctx->tag('EntryCategory')), 1);
    $excerpt = encode_xml(strip_hyphen($ctx->tag('EntryExcerpt')), 1);
    $creator = encode_xml(strip_hyphen($ctx->tag('EntryAuthorDisplayName')), 1);
    $date = $ctx->_hdlr_date(array('format' => '%Y-%m-%dT%H:%M:%S'), $ctx) .
            $ctx->tag('BlogTimezone');
    $rdf .= <<<RDF
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
         xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/"
         xmlns:dc="http://purl.org/dc/elements/1.1/">
<rdf:Description
    rdf:about="$url"
    trackback:ping="$path"
    dc:title="$title"
    dc:identifier="$url"
    dc:subject="$subject"
    dc:description="$excerpt"
    dc:creator="$creator"
    dc:date="$date" />
</rdf:RDF>

RDF;
    if ($comment_wrap) {
        $rdf .= "-->\n";
    }
    return $rdf;
}
?>
