1 files changed, 42 insertions, 0 deletions
diff --git a/startop/view_compiler/layout_validation.cc b/startop/view_compiler/layout_validation.cc
new file mode 100644
index 000000000000..8c7737749124
--- /dev/null
+++ b/startop/view_compiler/layout_validation.cc
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "layout_validation.h"
+
+#include "android-base/stringprintf.h"
+
+namespace startop {
+
+void LayoutValidationVisitor::VisitStartTag(const std::u16string& name) {
+  if (0 == name.compare(u"merge")) {
+    message_ = "Merge tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"include")) {
+    message_ = "Include tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"view")) {
+    message_ = "View tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"fragment")) {
+    message_ = "Fragment tags are not supported";
+    can_compile_ = false;
+  }
+}
+
+}  // namespace startop
+\ No newline at end of file