From c48f7f9fba6a07f869009d03b5d6f33f2ceab0fb Mon Sep 17 00:00:00 2001
From: Eric Lippmann <eric.lippmann@netways.de>
Date: Mon, 30 Jun 2014 15:22:32 +0200
Subject: [PATCH] doc module: Add `DocIterator::count()'

Method used to count available markdown documentation files.

refs #4820
---
 modules/doc/library/Doc/DocIterator.php | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/modules/doc/library/Doc/DocIterator.php b/modules/doc/library/Doc/DocIterator.php
index 07a49732f..1a229c918 100644
--- a/modules/doc/library/Doc/DocIterator.php
+++ b/modules/doc/library/Doc/DocIterator.php
@@ -34,11 +34,12 @@ class FileLockingIterator extends ArrayIterator
     }
 }
 
+use Countable;
 use IteratorAggregate;
 use RecursiveIteratorIterator;
 use RecursiveDirectoryIterator;
 
-class DocIterator implements IteratorAggregate
+class DocIterator implements Countable, IteratorAggregate
 {
     protected $fileInfos;
 
@@ -54,6 +55,11 @@ class DocIterator implements IteratorAggregate
         $this->fileInfos = $fileInfos;
     }
 
+    public function count()
+    {
+        return count($this->fileInfos);
+    }
+
     public function getIterator()
     {
         return new FileLockingIterator($this->fileInfos);