1 files changed, 29 insertions, 0 deletions
diff --git a/dom/xslt/base/txOwningArray.h b/dom/xslt/base/txOwningArray.h
new file mode 100644
index 0000000000..f25015a597
--- /dev/null
+++ b/dom/xslt/base/txOwningArray.h
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef txOwningArray_h__
+#define txOwningArray_h__
+
+// Class acting like a nsTArray except that it deletes its objects
+// on destruction. It does not however delete its objects on operations
+// like RemoveElementsAt or on |array[i] = bar|.
+
+template <class E>
+class txOwningArray : public nsTArray<E*> {
+ public:
+  typedef nsTArray<E*> base_type;
+  typedef typename base_type::value_type value_type;
+
+  ~txOwningArray() {
+    value_type* iter = base_type::Elements();
+    value_type* end = iter + base_type::Length();
+    for (; iter < end; ++iter) {
+      delete *iter;
+    }
+  }
+};
+
+#endif  // txOwningArray_h__