import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

xpcom/string/nsTLiteralString.h

@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+
+/**
+ * nsTLiteralString_CharT
+ *
+ * Stores a null-terminated, immutable sequence of characters.
+ *
+ * Subclass of nsTString that restricts string value to a literal
+ * character sequence.  This class does not own its data. The data is
+ * assumed to be permanent. In practice this is true because this code
+ * is only usable by and for libxul.
+ */
+class nsTLiteralString_CharT : public nsTString_CharT
+{
+public:
+
+  typedef nsTLiteralString_CharT self_type;
+
+public:
+
+  /**
+   * constructor
+   */
+
+  template<size_type N>
+  explicit nsTLiteralString_CharT(const char_type (&aStr)[N])
+    : string_type(const_cast<char_type*>(aStr), N - 1, F_TERMINATED | F_LITERAL)
+  {
+  }
+
+private:
+
+  // NOT TO BE IMPLEMENTED
+  template<size_type N>
+  nsTLiteralString_CharT(char_type (&aStr)[N]) = delete;
+};