From f902811342bb9f72bb11e2658aea14cfe8b04c64 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 21 Aug 2012 16:00:16 +0100
Subject: Recursively scan font tags in subtitles.

---
 src/xml.cc | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/xml.cc')

diff --git a/src/xml.cc b/src/xml.cc
index 0f0d2d47..08a43ea9 100644
--- a/src/xml.cc
+++ b/src/xml.cc
@@ -163,6 +163,17 @@ XMLNode::int64_attribute (string name)
 	return lexical_cast<int64_t> (string_attribute (name));
 }
 
+int64_t
+XMLNode::optional_int64_attribute (string name)
+{
+	string const s = string_attribute (name);
+	if (s.empty ()) {
+		return 0;
+	}
+	
+	return lexical_cast<int64_t> (s);
+}
+
 void
 XMLNode::done ()
 {
-- 
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