From e4aa28fc9bd606a0a2aa9be75a3bef6ad3b6fed7 Mon Sep 17 00:00:00 2001
From: Benjamin Paassen <bpaassen@techfak.uni-bielefeld.de>
Date: Wed, 18 Feb 2015 14:17:44 +0100
Subject: fixed a bug with doubled root nodes.

---
 src/core/parser/stack/DocumentHandler.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/core')

diff --git a/src/core/parser/stack/DocumentHandler.cpp b/src/core/parser/stack/DocumentHandler.cpp
index 1df3cb3..98b84c7 100644
--- a/src/core/parser/stack/DocumentHandler.cpp
+++ b/src/core/parser/stack/DocumentHandler.cpp
@@ -142,6 +142,14 @@ bool DocumentChildHandler::start(Variant::mapType &args)
 		Rooted<StructuredEntity> entity;
 		// handle the root note specifically.
 		if (parentNode->isa(&RttiTypes::Document)) {
+			// if we already have a root node, stop.
+			if (parentNode.cast<Document>()->getRoot() != nullptr) {
+				logger().warning(
+				    "This document already has a root node. The additional "
+				    "node is ignored.",
+				    location());
+				return false;
+			}
 			Rooted<StructuredClass> strct = scope().resolve<StructuredClass>(
 			    Utils::split(name(), ':'), logger());
 			if (strct == nullptr) {
-- 
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