Patch SSViewer to help template debugging.

SSViewer.patch

From ce4dafd211f5283e9c47cf42bbda93998f88ca65 Mon Sep 17 00:00:00 2001
From: Luke Hudson <lukeletters@gmail.com>
Date: Tue, 7 Jul 2015 13:44:03 +0200
Subject: [PATCH] DEBUG: Tag HTML with source templates

This can be used with a small script as follows to debug your
templates.

https://gist.github.com/lingo/11476ce245cb05aec543
---
 sapphire/view/SSViewer.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sapphire/view/SSViewer.php b/sapphire/view/SSViewer.php
index d5fc9fb..e51fa3b 100644
--- a/sapphire/view/SSViewer.php
+++ b/sapphire/view/SSViewer.php
@@ -996,6 +996,16 @@ class SSViewer {
 
 		include($cacheFile);
 
+		if (isset($_GET['debugtemplate'])) {
+			$tplFile = preg_replace('/\/ss$/', '.ss',
+						str_replace('.', '/',
+							str_replace('.cache.', '',
+								basename($cacheFile)
+							)
+						)
+					);
+			$val = preg_replace('/<([^!][^>]+)>/', sprintf('<$1 data-cachefile="%s">', $tplFile), $val, 1);
+		}
 		return $val;
 	}
 
-- 
1.9.1