From 33ef6ab1974187c6189bf52640d67e33cb77a80e Mon Sep 17 00:00:00 2001
From: Philip Olson <philip@php.net>
Date: Mon, 20 Sep 2010 04:40:21 +0000
Subject: [PATCH] Added missing.xml to show when an XML file is missing. Not
 yet tested.

---
 show.php          | 4 ++++
 tools/missing.xml | 9 +++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 tools/missing.xml

diff --git a/show.php b/show.php
index f960ec6..f0bf6f0 100644
--- a/show.php
+++ b/show.php
@@ -52,6 +52,10 @@
 	if(!isset($_SESSION['titlesLoaded'])) $_SESSION['titlesLoaded'] = 0;
 	$presFile = str_replace('..','',(string)$_SESSION['currentPres']); // anti-hack
 	$presFile = "$presentationDir/$presFile".'.xml';
+	
+	if (!file_exists($presFile)) {
+		$presFile = "$baseDir/tools/missing.xml";
+	}
 
 	// Load in the presentation
 	$fh = fopen($presFile, "rb");
diff --git a/tools/missing.xml b/tools/missing.xml
new file mode 100644
index 0000000..b4506b4
--- /dev/null
+++ b/tools/missing.xml
@@ -0,0 +1,9 @@
+<slide title="Missing Slide">
+
+<break lines="5" />
+
+<example fontsize="1.8em" marginleft="1.2em" marginright="0.5em">
+The desired slide is missing. Please contact the author (with the URL) so that he or she may update this talk.
+</example>
+
+</slide>