From c4dd7a1a684490673e25aaf4fabec5df138854c4 Mon Sep 17 00:00:00 2001
From: Lorry Tar Creator <lorry-tar-importer@baserock.org>
Date: Thu, 14 Mar 2013 05:42:27 +0000
Subject: Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.

---
 ext/spl/examples/directorytreeiterator.inc | 54 ++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 ext/spl/examples/directorytreeiterator.inc

(limited to 'ext/spl/examples/directorytreeiterator.inc')

diff --git a/ext/spl/examples/directorytreeiterator.inc b/ext/spl/examples/directorytreeiterator.inc
new file mode 100644
index 0000000..8e65d0d
--- /dev/null
+++ b/ext/spl/examples/directorytreeiterator.inc
@@ -0,0 +1,54 @@
+<?php
+
+/** @file directorytreeiterator.inc
+ * @ingroup Examples
+ * @brief class DirectoryTreeIterator
+ * @author  Marcus Boerger
+ * @date    2003 - 2005
+ *
+ * SPL - Standard PHP Library
+ */
+
+/** @ingroup Examples
+ * @brief   DirectoryIterator to generate ASCII graphic directory trees
+ * @author  Marcus Boerger
+ * @version 1.1
+ */
+class DirectoryTreeIterator extends RecursiveIteratorIterator
+{
+	/** Construct from a path.
+	 * @param $path directory to iterate
+	 */
+	function __construct($path)
+	{
+		parent::__construct(
+			new RecursiveCachingIterator(
+				new RecursiveDirectoryIterator($path, RecursiveDirectoryIterator::KEY_AS_FILENAME
+				), 
+				CachingIterator::CALL_TOSTRING|CachingIterator::CATCH_GET_CHILD
+			), 
+			parent::SELF_FIRST
+		);
+	}
+
+	/** @return the current element prefixed with ASCII graphics
+	 */	
+	function current()
+	{
+		$tree = '';
+		for ($l=0; $l < $this->getDepth(); $l++) {
+			$tree .= $this->getSubIterator($l)->hasNext() ? '| ' : '  ';
+		}
+		return $tree . ($this->getSubIterator($l)->hasNext() ? '|-' : '\-') 
+		       . $this->getSubIterator($l)->__toString();
+	}
+
+	/** Aggregates the inner iterator
+	 */	
+	function __call($func, $params)
+	{
+		return call_user_func_array(array($this->getSubIterator(), $func), $params);
+	}
+}
+
+?>
\ No newline at end of file
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