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<?php // -*-php-*-
rcs_id('$Id: MostRecentIter.php,v 1.8 2006/12/22 00:27:37 rurban Exp $');
require_once('lib/WikiDB/backend.php');
/**
* An inefficient but general most_recent iterator.
*
* This iterator will work with any backends.
*/
class WikiDB_backend_dumb_MostRecentIter
extends WikiDB_backend_iterator
{
function WikiDB_backend_dumb_MostRecentIter(&$backend, &$pages, $params) {
$limit = false;
extract($params);
if ($exclude_major_revisions)
$include_minor_revisions = true;
$reverse = $limit < 0;
if($reverse){$limit = -$limit;}
$this->_revisions = array();
while ($page = $pages->next()) {
$revs = $backend->get_all_revisions($page['pagename']);
while ($revision = $revs->next()) {
$vdata = &$revision['versiondata'];
assert(is_array($vdata));
if (!empty($vdata['is_minor_edit'])) {
if (!$include_minor_revisions)
continue;
}
else {
if ($exclude_major_revisions)
continue;
}
if (!empty($since) && $vdata['mtime'] < $since)
break;
$this->_revisions[] = $revision;
if (!$include_all_revisions)
break;
}
$revs->free();
}
if ($reverse) {
usort($this->_revisions, 'WikiDB_backend_dumb_MostRecentIter_sortf_rev');
} else {
usort($this->_revisions, 'WikiDB_backend_dumb_MostRecentIter_sortf');
}
if (!empty($limit) && $limit < count($this->_revisions)) {
array_splice($this->_revisions, $limit);
}
}
function next() {
return array_shift($this->_revisions);
}
function free() {
unset($this->_revisions);
}
}
function WikiDB_backend_dumb_MostRecentIter_sortf($a, $b) {
$acreated = $a['versiondata']['mtime'];
$bcreated = $b['versiondata']['mtime'];
return $bcreated - $acreated;
}
function WikiDB_backend_dumb_MostRecentIter_sortf_rev($a, $b) {
$acreated = $a['versiondata']['mtime'];
$bcreated = $b['versiondata']['mtime'];
return $acreated - $bcreated;
}
// $Log: MostRecentIter.php,v $
// Revision 1.8 2006/12/22 00:27:37 rurban
// just add Log
//
// (c-file-style: "gnu")
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>
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