From 7030578bbe9e11c18b5becaf8b06e670e3c2e3cd Mon Sep 17 00:00:00 2001
From: Nils Adermann <naderman@naderman.de>
Date: Sun, 14 Jul 2013 01:32:34 -0400
Subject: [ticket/11698] Moving all autoloadable files to phpbb/

PHPBB3-11698
---
 phpBB/phpbb/extension/provider.php | 76 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 phpBB/phpbb/extension/provider.php

(limited to 'phpBB/phpbb/extension/provider.php')

diff --git a/phpBB/phpbb/extension/provider.php b/phpBB/phpbb/extension/provider.php
new file mode 100644
index 0000000000..45b55e5cab
--- /dev/null
+++ b/phpBB/phpbb/extension/provider.php
@@ -0,0 +1,76 @@
+<?php
+/**
+*
+* @package extension
+* @copyright (c) 2011 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* Provides a set of items found in extensions.
+*
+* This abstract class is essentially a wrapper around item-specific
+* finding logic. It handles storing the extension manager via constructor
+* for the finding logic to use to find the items, and provides an
+* iterator interface over the items found by the finding logic.
+*
+* Items could be anything, for example template paths or cron task names.
+* Derived classes completely define what the items are.
+*
+* @package extension
+*/
+abstract class phpbb_extension_provider implements IteratorAggregate
+{
+	/**
+	* Array holding all found items
+	* @var array|null
+	*/
+	protected $items = null;
+
+	/**
+	* An extension manager to search for items in extensions
+	* @var phpbb_extension_manager
+	*/
+	protected $extension_manager;
+
+	/**
+	* Constructor. Loads all available items.
+	*
+	* @param phpbb_extension_manager $extension_manager phpBB extension manager
+	*/
+	public function __construct(phpbb_extension_manager $extension_manager)
+	{
+		$this->extension_manager = $extension_manager;
+	}
+
+	/**
+	* Finds items using the extension manager.
+	*
+	* @return array     List of task names
+	*/
+	abstract protected function find();
+
+	/**
+	* Retrieve an iterator over all items
+	*
+	* @return ArrayIterator An iterator for the array of template paths
+	*/
+	public function getIterator()
+	{
+		if ($this->items === null)
+		{
+			$this->items = $this->find();
+		}
+
+		return new ArrayIterator($this->items);
+	}
+}
-- 
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