2 rcs_id('$Id: MostRecentIter.php,v 1.3 2002-02-09 23:07:01 lakka Exp $');
4 require_once('lib/WikiDB/backend.php');
8 * An inefficient but general most_recent iterator.
10 * This iterator will work with any backends.
12 class WikiDB_backend_dumb_MostRecentIter
13 extends WikiDB_backend_iterator
15 function WikiDB_backend_dumb_MostRecentIter(&$backend, &$pages, $params) {
17 if ($exclude_major_revisions)
18 $include_minor_revisions = true;
20 $reverse = $limit < 0;
21 if($reverse){$limit = -$limit;}
22 $this->_revisions = array();
23 while ($page = $pages->next()) {
24 $revs = $backend->get_all_revisions($page['pagename']);
25 while ($revision = &$revs->next()) {
26 $vdata = &$revision['versiondata'];
27 assert(is_array($vdata));
28 if (!empty($vdata['is_minor_edit'])) {
29 if (!$include_minor_revisions)
33 if ($exclude_major_revisions)
36 if (!empty($since) && $vdata['mtime'] < $since)
39 $this->_revisions[] = $revision;
41 if (!$include_all_revisions)
47 usort($this->_revisions, 'WikiDB_backend_dumb_MostRecentIter_sortf_rev');
49 else usort($this->_revisions, 'WikiDB_backend_dumb_MostRecentIter_sortf');
50 if (!empty($limit) && $limit < count($this->_revisions))
51 array_splice($this->_revisions, $limit);
55 return array_shift($this->_revisions);
59 unset($this->_revisions);
63 function WikiDB_backend_dumb_MostRecentIter_sortf($a, $b) {
64 $acreated = $a['versiondata']['mtime'];
65 $bcreated = $b['versiondata']['mtime'];
66 return $bcreated - $acreated;
69 function WikiDB_backend_dumb_MostRecentIter_sortf_rev($a, $b) {
70 $acreated = $a['versiondata']['mtime'];
71 $bcreated = $b['versiondata']['mtime'];
72 return $acreated - $bcreated;
75 // (c-file-style: "gnu")
80 // c-hanging-comment-ender-p: nil
81 // indent-tabs-mode: nil