7a3227596e
Both now accept namespace prefixes, handle 'Media:' and 'Special:' pages, and reject interwiki prefixes. PrefixSearch class centralizes this code, and the backend part can be overridden by the PrefixSearchBackend hook.
135 lines
No EOL
3.5 KiB
PHP
135 lines
No EOL
3.5 KiB
PHP
<?php
|
|
|
|
class PrefixSearch {
|
|
/**
|
|
* Do a prefix search of titles and return a list of matching page names.
|
|
* @param string $search
|
|
* @param int $limit
|
|
* @return array of strings
|
|
*/
|
|
public static function titleSearch( $search, $limit ) {
|
|
$search = trim( $search );
|
|
if( $search == '' ) {
|
|
return array(); // Return empty result
|
|
}
|
|
|
|
$title = Title::newFromText( $search );
|
|
if( $title && $title->getInterwiki() == '' ) {
|
|
$ns = $title->getNamespace();
|
|
return self::searchBackend(
|
|
$title->getNamespace(), $title->getText(), $limit );
|
|
}
|
|
|
|
// Is this a namespace prefix?
|
|
$title = Title::newFromText( $search . 'Dummy' );
|
|
if( $title && $title->getText() == 'Dummy'
|
|
&& $title->getNamespace() != NS_MAIN
|
|
&& $title->getInterwiki() == '' ) {
|
|
return self::searchBackend(
|
|
$title->getNamespace(), '', $limit );
|
|
}
|
|
|
|
return self::searchBackend( 0, $search, $limit );
|
|
}
|
|
|
|
|
|
/**
|
|
* Do a prefix search of titles and return a list of matching page names.
|
|
* @param string $search
|
|
* @param int $limit
|
|
* @return array of strings
|
|
*/
|
|
protected static function searchBackend( $ns, $search, $limit ) {
|
|
if( $ns == NS_MEDIA ) {
|
|
$ns = NS_IMAGE;
|
|
} elseif( $ns == NS_SPECIAL ) {
|
|
return self::specialSearch( $search, $limit );
|
|
}
|
|
|
|
$srchres = array();
|
|
if( wfRunHooks( 'PrefixSearchBackend', array( $ns, $search, $limit, &$srchres ) ) ) {
|
|
return self::defaultSearchBackend( $ns, $search, $limit );
|
|
}
|
|
return $srchres;
|
|
}
|
|
|
|
/**
|
|
* Prefix search special-case for Special: namespace.
|
|
*/
|
|
protected static function specialSearch( $search, $limit ) {
|
|
global $wgContLang;
|
|
$searchKey = $wgContLang->caseFold( $search );
|
|
|
|
// Unlike SpecialPage itself, we want the canonical forms of both
|
|
// canonical and alias title forms...
|
|
SpecialPage::initList();
|
|
SpecialPage::initAliasList();
|
|
$keys = array();
|
|
foreach( array_keys( SpecialPage::$mList ) as $page ) {
|
|
$keys[$wgContLang->caseFold( $page )] = $page;
|
|
}
|
|
foreach( $wgContLang->getSpecialPageAliases() as $page => $aliases ) {
|
|
foreach( $aliases as $alias ) {
|
|
$keys[$wgContLang->caseFold( $alias )] = $alias;
|
|
}
|
|
}
|
|
ksort( $keys );
|
|
|
|
$srchres = array();
|
|
foreach( $keys as $pageKey => $page ) {
|
|
if( $searchKey === '' || strpos( $pageKey, $searchKey ) === 0 ) {
|
|
$srchres[] = Title::makeTitle( NS_SPECIAL, $page )->getPrefixedText();
|
|
}
|
|
if( count( $srchres ) >= $limit ) {
|
|
break;
|
|
}
|
|
}
|
|
return $srchres;
|
|
}
|
|
|
|
/**
|
|
* Unless overridden by PrefixSearchBackend hook...
|
|
* This is case-sensitive except the first letter (per $wgCapitalLinks)
|
|
*
|
|
* @param int $ns Namespace to search in
|
|
* @param string $search term
|
|
* @param int $limit max number of items to return
|
|
* @return array of title strings
|
|
*/
|
|
protected static function defaultSearchBackend( $ns, $search, $limit ) {
|
|
global $wgCapitalLinks, $wgContLang;
|
|
|
|
if( $wgCapitalLinks ) {
|
|
$search = $wgContLang->ucfirst( $search );
|
|
}
|
|
|
|
// Prepare nested request
|
|
$req = new FauxRequest(array (
|
|
'action' => 'query',
|
|
'list' => 'allpages',
|
|
'apnamespace' => $ns,
|
|
'aplimit' => $limit,
|
|
'apprefix' => $search
|
|
));
|
|
|
|
// Execute
|
|
$module = new ApiMain($req);
|
|
$module->execute();
|
|
|
|
// Get resulting data
|
|
$data = $module->getResultData();
|
|
|
|
// Reformat useful data for future printing by JSON engine
|
|
$srchres = array ();
|
|
foreach ($data['query']['allpages'] as & $pageinfo) {
|
|
// Note: this data will no be printable by the xml engine
|
|
// because it does not support lists of unnamed items
|
|
$srchres[] = $pageinfo['title'];
|
|
}
|
|
|
|
return $srchres;
|
|
}
|
|
|
|
}
|
|
|
|
?>
|