function doCode ($pagename, $code, $attrstr) {
$code = trim(html_entity_decode($code));
$attribs = new Attributes($attrstr, array('print'=>'fo'));
$attr = $attribs->getAttribs('fo');
if ($code == '') {
if ($attr['file'] != '') {
$co = new CodeObject($pagename, $attr['file']);
$co->linkUploadedFile($attr['file']);
if ($co->exists())
$code = $co->getCode();
}
else return '';
}
$tabwidth = (isset($attr['tab']) && $attr['tab'] >= 0 && $attr['tab'] <= 10) ? $attr['tab'] : 4;
$code = str_replace('\"', '"', html_entity_decode($code)); // replace already created entities
$code = str_replace('<:vspace>', '', $code);
$code = str_replace("\t", substr(' ', 0, $tabwidth), $code);
$co = new CodeObject($pagename, $code, false);
$html = $co->getWikiXML('fo', $attr);
$co->cleanup(); // remove temporary files
return Keep($html);
}
