From 38473966ead6e85dc444f27b721c89542eb99866 Mon Sep 17 00:00:00 2001
From: Aryeh Gregor <simetrical@users.mediawiki.org>
Date: Fri, 25 Jul 2008 19:03:53 +0000
Subject: [PATCH] Add TitleArray, a straight rip-off of UserArray.  I couldn't
 figure out how to make them both inherit from ObjectArray or anything, so
 code duplication works for now.

---
 includes/AutoLoader.php |  1 +
 includes/TitleArray.php | 77 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 includes/TitleArray.php

diff --git a/includes/AutoLoader.php b/includes/AutoLoader.php
index f52347f55a..0351017145 100644
--- a/includes/AutoLoader.php
+++ b/includes/AutoLoader.php
@@ -191,6 +191,7 @@ $wgAutoloadLocalClasses = array(
 	'ThumbnailImage' => 'includes/MediaTransformOutput.php',
 	'TitleDependency' => 'includes/CacheDependency.php',
 	'Title' => 'includes/Title.php',
+	'TitleArray' => 'includes/TitleArray.php',
 	'TitleListDependency' => 'includes/CacheDependency.php',
 	'TransformParameterError' => 'includes/MediaTransformOutput.php',
 	'TurckBagOStuff' => 'includes/BagOStuff.php',
diff --git a/includes/TitleArray.php b/includes/TitleArray.php
new file mode 100644
index 0000000000..b2f3d2f379
--- /dev/null
+++ b/includes/TitleArray.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Note: this entire file is a byte-for-byte copy of UserArray.php with
+ * s/User/Title/.  If anyone can figure out how to do this nicely with inheri-
+ * tance or something, please do so.
+ */
+
+/**
+ * The TitleArray class only exists to provide the newFromResult method at pre-
+ * sent.
+ */
+abstract class TitleArray implements Iterator {
+	/**
+	 * @param $res result A MySQL result including at least page_namespace and
+	 *   page_title -- also can have page_id, page_len, page_is_redirect,
+	 *   page_latest (if those will be used).  See Title::newFromRow.
+	 * @return TitleArray
+	 */
+	static function newFromResult( $res ) {
+		$array = null;
+		if ( !wfRunHooks( 'TitleArrayFromResult', array( &$array, $res ) ) ) {
+			return null;
+		}
+		if ( $array === null ) {
+			$array = self::newFromResult_internal( $res );
+		}
+		return $array;
+	}
+
+	protected static function newFromResult_internal( $res ) {
+		$array = new TitleArrayFromResult( $res );
+		return $array;
+	}
+}
+
+class TitleArrayFromResult extends TitleArray {
+	var $res;
+	var $key, $current;
+
+	function __construct( $res ) {
+		$this->res = $res;
+		$this->key = 0;
+		$this->setCurrent( $this->res->current() );
+	}
+
+	protected function setCurrent( $row ) {
+		if ( $row === false ) {
+			$this->current = false;
+		} else {
+			$this->current = Title::newFromRow( $row );
+		}
+	}
+
+	function current() {
+		return $this->current;
+	}
+
+	function key() {
+		return $this->key;
+	}
+
+	function next() {
+		$row = $this->res->next();
+		$this->setCurrent( $row );
+		$this->key++;
+	}
+
+	function rewind() {
+		$this->res->rewind();
+		$this->key = 0;
+		$this->setCurrent( $this->res->current() );
+	}
+
+	function valid() {
+		return $this->current !== false;
+	}
+}
-- 
2.20.1