From 086ae52d12011746a75f5588e877347bc0457352 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Fri, 21 Mar 2008 11:49:34 +0100
Subject: Update auf MediaWiki 1.12.0

---
 includes/PrefixSearch.php | 135 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 includes/PrefixSearch.php

(limited to 'includes/PrefixSearch.php')

diff --git a/includes/PrefixSearch.php b/includes/PrefixSearch.php
new file mode 100644
index 00000000..bddfb9f1
--- /dev/null
+++ b/includes/PrefixSearch.php
@@ -0,0 +1,135 @@
+<?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;
+	}
+
+}
+
+?>
\ No newline at end of file
-- 
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