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<?php
// must be run within Dokuwiki
if(!defined('DOKU_INC')) die();
if(!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN',DOKU_INC.'lib/plugins/');
require_once(DOKU_PLUGIN.'action.php');
class action_plugin_importoldindex extends DokuWiki_Action_Plugin {
function getInfo(){
return array(
'author' => 'Tom N Harris',
'email' => 'tnharris@whoopdedo.org',
'date' => '2006-11-09',
'name' => 'Import Old Index',
'desc' => 'Moves old index files to a new location, sorted by string length.',
'url' => 'http://dokuwiki.org/plugin:importoldindex'
);
}
function register(&$controller) {
$controller->register_hook('TEMPORARY_INDEX_UPGRADE_EVENT', 'BEFORE', $this, 'run_import');
}
function run_import(&$event, $args) {
global $conf;
touch($conf['indexdir'].'/index_importing'); // changelog importing lock
// load old index
$word_idx = file($conf['cachedir'].'/word.idx');
$idx = file($conf['cachedir'].'/index.idx');
$words = array();
for ($lno=0;$lno<count($word_idx);$lno++){
$wlen = strlen($word_idx[$lno])-1;
//if($wlen<3) continue;
if(!isset($words[$wlen])) $words[$wlen] = array();
$words[$wlen][] = $lno;
}
foreach (array_keys($words) as $wlen) {
$new_words = array();
$new_idx = array();
foreach ($words[$wlen] as $lno) {
$new_words[] = $word_idx[$lno];
$new_idx[] = $idx[$lno];
}
io_saveFile($conf['indexdir']."/w$wlen.idx", implode('', $new_words));
io_saveFile($conf['indexdir']."/i$wlen.idx", implode('', $new_idx));
}
@copy($conf['cachedir'].'/page.idx', $conf['indexdir'].'/page.idx');
if($conf['fperm']) chmod($conf['indexdir'].'/page.idx', $conf['fperm']);
unlink($conf['indexdir'].'/index_importing'); // changelog importing unlock
plugin_disable('importoldindex'); // only needs to run once
}
}
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