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-rw-r--r--lib/rssaction.php35
1 files changed, 34 insertions, 1 deletions
diff --git a/lib/rssaction.php b/lib/rssaction.php
index abc83fe3a..183c09f47 100644
--- a/lib/rssaction.php
+++ b/lib/rssaction.php
@@ -192,6 +192,24 @@ class Rss10Action extends Action
}
}
+ // XXX: Surely there should be a common function to do this?
+ function extract_tags ($string)
+ {
+ $count = preg_match_all('/(?:^|\s)#([A-Za-z0-9_\-\.]{1,64})/', strtolower($string), $match);
+ if (!count)
+ {
+ return array();
+ }
+
+ $rv = array();
+ foreach ($match[1] as $tag)
+ {
+ $rv[] = common_canonical_tag($tag);
+ }
+
+ return array_unique($rv);
+ }
+
function showItem($notice)
{
$profile = Profile::staticGet($notice->profile_id);
@@ -245,7 +263,20 @@ class Rss10Action extends Action
$this->element('sioc:links_to', array('rdf:resource'=>$attachment->url));
}
}
-
+ $tags = $this->extract_tags($notice->content);
+ if (!empty($tags)) {
+ foreach ($tags as $tag)
+ {
+ $tagpage = common_local_url('tag', array('tag' => $tag));
+ $tagrss = common_local_url('tagrss', array('tag' => $tag));
+ $this->elementStart('ctag:tagged');
+ $this->elementStart('ctag:Tag', array('rdf:about'=>$tagpage.'#concept', 'ctag:label'=>$tag));
+ $this->element('foaf:page', array('rdf:resource'=>$tagpage));
+ $this->element('rdfs:seeAlso', array('rdf:resource'=>$tagrss));
+ $this->elementEnd('ctag:Tag');
+ $this->elementEnd('ctag:tagged');
+ }
+ }
$this->elementEnd('item');
$this->creators[$creator_uri] = $profile;
}
@@ -281,6 +312,8 @@ class Rss10Action extends Action
'http://creativecommons.org/ns#',
'xmlns:content' =>
'http://purl.org/rss/1.0/modules/content/',
+ 'xmlns:ctag' =>
+ 'http://commontag.org/ns#',
'xmlns:foaf' =>
'http://xmlns.com/foaf/0.1/',
'xmlns:sioc' =>