>6)+192).chr(($num&63)+128);
if ( $num<65536 )
return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128);
if ( $num<2097152 )
return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128) .chr(($num&63)+128);
return '';
}
class AjaxCachePolicy {
var $policy;
function AjaxCachePolicy( $policy = null ) {
$this->policy = $policy;
}
function setPolicy( $policy ) {
$this->policy = $policy;
}
function writeHeader() {
header ("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
if ( is_null( $this->policy ) ) {
// Bust cache in the head
header ("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
// always modified
header ("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
header ("Pragma: no-cache"); // HTTP/1.0
} else {
header ("Expires: " . gmdate( "D, d M Y H:i:s", time() + $this->policy ) . " GMT");
header ("Cache-Control: s-max-age={$this->policy},public,max-age={$this->policy}");
}
}
}
function wfSajaxSearch( $term ) {
global $wgContLang, $wgAjaxCachePolicy, $wgOut;
$limit = 16;
$l = new Linker;
$term = str_replace( ' ', '_', $wgContLang->ucfirst(
$wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) )
) );
if ( strlen( str_replace( '_', '', $term ) )<3 )
return;
$wgAjaxCachePolicy->setPolicy( 30*60 );
$db =& wfGetDB( DB_SLAVE );
$res = $db->select( 'page', 'page_title',
array( 'page_namespace' => 0,
"page_title LIKE '". $db->strencode( $term) ."%'" ),
"wfSajaxSearch",
array( 'LIMIT' => $limit+1 )
);
$r = "";
$i=0;
while ( ( $row = $db->fetchObject( $res ) ) && ( ++$i <= $limit ) ) {
$nt = Title::newFromDBkey( $row->page_title );
$r .= '' . $l->makeKnownLinkObj( $nt ) . "\n";
}
if ( $i > $limit ) {
$more = '' . $l->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
wfMsg('moredotdotdot'),
"namespace=0&from=" . wfUrlEncode ( $term ) ) .
'';
} else {
$more = '';
}
$subtitlemsg = ( Title::newFromText($term) ? 'searchsubtitle' : 'searchsubtitleinvalid' );
$subtitle = $wgOut->parse( wfMsg( $subtitlemsg, wfEscapeWikiText($term) ) );
$term = htmlspecialchars( $term );
return ''
. ''.wfMsg('search')
. '
'. $subtitle . '
- '
. $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
wfMsg( 'searchcontaining', $term ),
"search=$term&fulltext=Search" )
. '
- ' . $l->makeKnownLink( $wgContLang->specialPage( 'Search' ),
wfMsg( 'searchnamed', $term ) ,
"search=$term&go=Go" )
. "
" . wfMsg( 'articletitles', $term ) . "
"
. ''.$more;
}
?>