static function get($xmlText)
{
$tag = new eZMetaTag();
$tag->decodeXML($xmlText);
return $tag;
}
static function extractPattern($name, &$oObjectDataMap, $sizeLimit = false)
{
preg_match_all("/\\{[^\\{]+\\}/", $name, $dynamics);
foreach ($dynamics[0] as $dynamic) {
$patternAttribute = substr($dynamic, 1, strlen($dynamic) - 2);
if ($delimiterPosition = strpos($patternAttribute, ".")) {
list($relatedObject, $relatedAttribute) = explode('.', $patternAttribute);
$relations = $oObjectDataMap[$relatedObject]->value();
$relatedNames = array();
foreach ($relations['relation_list'] as $relation) {
$relatedObject = eZContentObject::fetch($relation['contentobject_id']);
switch ($relatedAttribute) {
case 'name':
$relatedNames[] =& $relatedObject->name();
break;
default:
$relatedDataMap =& $relatedObject->dataMap();
if (is_object($relatedDataMap[$relatedAttribute]) && $relatedDataMap[$relatedAttribute]->hasContent()) {
$relatedNames[] = eZMetaTag::getTextValueOfAttribute($relatedDataMap[$relatedAttribute]);
}
break;
}
}
$dynamicValue = implode(', ', $relatedNames);
} elseif (is_object($oObjectDataMap[$patternAttribute]) && $oObjectDataMap[$patternAttribute]->hasContent()) {
$dynamicValue = eZMetaTag::getTextValueOfAttribute($oObjectDataMap[$patternAttribute]);
} else {
$siteIni = eZINI::instance();
$siteMetaData = $siteIni->variable('SiteSettings', 'MetaDataArray');
// Special Cases with reserved keywords
switch ($dynamic) {
case 'SiteMetaName':
$dynamicValue = $siteMetaData['title'];
break;
case 'SiteMetaDescription':
$dynamicValue = $siteMetaData['description'];
break;
case 'SiteMetaKeywords':
$dynamicValue = $siteMetaData['keywords'];
break;
default:
// Attribute display is disabled to avoid subversious display when attribute doesn't exist
$dynamicValue = '';
break;
}
}
if ($sizeLimit && count($dynamicValue) > $sizeLimit) {
$dynamicValue = substr($dynamicValue, 0, $sizeLimit);
$pos = strrpos($dynamicValue, " ");
if ($pos > 0) {
$dynamicValue = substr($dynamicValue, 0, $pos);
}
unset($pos);
}
$name = str_replace($dynamic, $dynamicValue, $name);
}
return $name;
}
function title($data_instance, $name = null)
{
$tag = eZMetaTag::get($data_instance->attribute('data_text'));
return $tag->getName();
}
