From: Alexandre Terrasa <alexandre@moz-code.org>
Date: Fri, 22 Sep 2017 20:36:23 +0000 (-0400)
Subject: lib/dom: avoid crash on empty tags data access
X-Git-Url: http://nitlanguage.org

lib/dom: avoid crash on empty tags data access

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>
---

diff --git a/lib/dom/dom.nit b/lib/dom/dom.nit
index 5a1b8c0..0dfee06 100644
--- a/lib/dom/dom.nit
+++ b/lib/dom/dom.nit
@@ -58,13 +58,13 @@ redef class XMLStartTag
 	# var xml = code.to_xml
 	# assert xml["animal"].first["tiger"].first.as(XMLStartTag).data == "This is a white tiger!"
 	# ~~~
-	fun data: String
+	fun data: nullable String
 	do
 		for child in children do
 			if child isa PCDATA then return child.content
 			if child isa CDATA then return child.content
 		end
-		abort
+		return null
 	end
 end