/**
* Retreives a list of tags for a given resource that are marked
* "Sujet principal".
*
* With the "non_principal_fallback" option set to TRUE, in the
* event that there are no "sujet principal" tags, all the tags will
* be used instead.
*
* (There should probably be a parameter for the string "Sujet
* principal".)
*
* @param $url Optional. Defaults to current page.
* @param $non_principal_fallback boolean Get all tags if there are NO "sujet principal".
* @returns folksoPageDataMeta object
*/
public function buildMeta($url = NULL, $max_tags = 0, $non_principal_fallback = NULL)
{
$mt = new folksoPageDataMeta();
$this->getData($url);
/** could set a maximum here, but instead we can
set that at display time, since we might be
reusing data.
NB: if $url is NULL, getData() will use
$this->url anyway.
**/
if ($this->is_valid()) {
$xpath = new DOMXpath($this->xml_DOM());
// reusing existing DOM, maybe
//$tag_princ is a DOMNodelist object
$tag_princ = $xpath->query('//taglist/tag[metatag="Sujet principal"]');
// 'Sujet principal' only
if ($tag_princ->length > 0) {
foreach ($tag_princ as $element) {
$tagname = $element->getElementsByTagName('display');
$mt->add_principal_keyword($tagname->item(0)->textContent);
}
}
// All tags, when no 'sujet principal' is found.
$all_tags = $xpath->query('//taglist/tag');
if ($all_tags->length > 0) {
foreach ($all_tags as $element) {
$tagname = $element->getElementsByTagName('display');
$mt->add_all_tags($tagname->item(0)->textContent);
}
}
$this->mt = $mt;
return $mt;
}
}
function testInserting()
{
$m = new folksoPageDataMeta();
$this->assertEqual('not \\"quoted\\"', $m->quote_escape('not "quoted"'));
$this->assertEqual('nothing', $m->quote_escape('nothing'));
}
