From f0b6a3557e2fe622bd83c4e53fe6fd109028171e Mon Sep 17 00:00:00 2001
From: Eric Lippmann <eric.lippmann@netways.de>
Date: Wed, 28 May 2014 17:15:43 +0200
Subject: [PATCH] doc/lib: Add DocTocHtmlRenderer class to render a toc to HTML

refs #4820
---
 .../doc/library/Doc/DocTocHtmlRenderer.php    | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 modules/doc/library/Doc/DocTocHtmlRenderer.php

diff --git a/modules/doc/library/Doc/DocTocHtmlRenderer.php b/modules/doc/library/Doc/DocTocHtmlRenderer.php
new file mode 100644
index 000000000..e402f3eb4
--- /dev/null
+++ b/modules/doc/library/Doc/DocTocHtmlRenderer.php
@@ -0,0 +1,45 @@
+<?php
+// {{{ICINGA_LICENSE_HEADER}}}
+// {{{ICINGA_LICENSE_HEADER}}
+
+namespace Icinga\Module\Doc;
+
+use RecursiveIteratorIterator;
+
+class DocTocHtmlRenderer extends RecursiveIteratorIterator
+{
+    protected $html = array();
+
+    public function __construct(DocToc $toc)
+    {
+        parent::__construct($toc, RecursiveIteratorIterator::SELF_FIRST);
+    }
+
+    public function beginIteration()
+    {
+        $this->html[] = '<ul>';
+    }
+
+    public function endIteration()
+    {
+        $this->html[] = '</ul>';
+    }
+
+    public function beginChildren()
+    {
+        $this->html[] = '<ul>';
+    }
+
+    public function endChildren()
+    {
+        $this->html[] = '</ul>';
+    }
+
+    public function render($callback)
+    {
+        foreach ($this as $node) {
+            $this->html[] = $callback($node->getValue());
+        }
+        return implode("\n", $this->html);
+    }
+}