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-rw-r--r--xpcom/string/nsTPromiseFlatString.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/xpcom/string/nsTPromiseFlatString.cpp b/xpcom/string/nsTPromiseFlatString.cpp
new file mode 100644
index 0000000000..1243300033
--- /dev/null
+++ b/xpcom/string/nsTPromiseFlatString.cpp
@@ -0,0 +1,26 @@
+/* -*- 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/. */
+
+#include "nsTPromiseFlatString.h"
+
+template <typename T>
+void nsTPromiseFlatString<T>::Init(const substring_type& str) {
+ if (str.IsTerminated()) {
+ char_type* newData =
+ const_cast<char_type*>(static_cast<const char_type*>(str.Data()));
+ size_type newLength = str.Length();
+ DataFlags newDataFlags =
+ str.GetDataFlags() & (DataFlags::TERMINATED | DataFlags::LITERAL);
+ // does not promote DataFlags::VOIDED
+
+ this->SetData(newData, newLength, newDataFlags);
+ } else {
+ this->Assign(str);
+ }
+}
+
+template class nsTPromiseFlatString<char>;
+template class nsTPromiseFlatString<char16_t>;