1 files changed, 106 insertions, 0 deletions
diff --git a/xpcom/string/nsTDependentString.h b/xpcom/string/nsTDependentString.h
new file mode 100644
index 000000000..44055d5ac
--- /dev/null
+++ b/xpcom/string/nsTDependentString.h
@@ -0,0 +1,106 @@
+/* -*- 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/. */
+
+
+/**
+ * nsTDependentString_CharT
+ *
+ * Stores a null-terminated, immutable sequence of characters.
+ *
+ * Subclass of nsTString that restricts string value to an immutable
+ * character sequence.  This class does not own its data, so the creator
+ * of objects of this type must take care to ensure that a
+ * nsTDependentString continues to reference valid memory for the
+ * duration of its use.
+ */
+class nsTDependentString_CharT : public nsTString_CharT
+{
+public:
+
+  typedef nsTDependentString_CharT self_type;
+
+public:
+
+  /**
+   * constructors
+   */
+
+  nsTDependentString_CharT(const char_type* aStart, const char_type* aEnd)
+    : string_type(const_cast<char_type*>(aStart),
+                  uint32_t(aEnd - aStart), F_TERMINATED)
+  {
+    AssertValidDependentString();
+  }
+
+  nsTDependentString_CharT(const char_type* aData, uint32_t aLength)
+    : string_type(const_cast<char_type*>(aData), aLength, F_TERMINATED)
+  {
+    AssertValidDependentString();
+  }
+
+#if defined(CharT_is_PRUnichar) && defined(MOZ_USE_CHAR16_WRAPPER)
+  nsTDependentString_CharT(char16ptr_t aData, uint32_t aLength)
+    : nsTDependentString_CharT(static_cast<const char16_t*>(aData), aLength)
+  {
+  }
+#endif
+
+  explicit
+  nsTDependentString_CharT(const char_type* aData)
+    : string_type(const_cast<char_type*>(aData),
+                  uint32_t(char_traits::length(aData)), F_TERMINATED)
+  {
+    AssertValidDependentString();
+  }
+
+#if defined(CharT_is_PRUnichar) && defined(MOZ_USE_CHAR16_WRAPPER)
+  explicit
+  nsTDependentString_CharT(char16ptr_t aData)
+    : nsTDependentString_CharT(static_cast<const char16_t*>(aData))
+  {
+  }
+#endif
+
+  nsTDependentString_CharT(const string_type& aStr, uint32_t aStartPos)
+    : string_type()
+  {
+    Rebind(aStr, aStartPos);
+  }
+
+  // Create a nsTDependentSubstring to be bound later
+  nsTDependentString_CharT()
+    : string_type()
+  {
+  }
+
+  // XXX are you sure??
+  // auto-generated copy-constructor OK
+  // auto-generated copy-assignment operator OK
+  // auto-generated destructor OK
+
+
+  /**
+   * allow this class to be bound to a different string...
+   */
+
+  using nsTString_CharT::Rebind;
+  void Rebind(const char_type* aData)
+  {
+    Rebind(aData, uint32_t(char_traits::length(aData)));
+  }
+
+  void Rebind(const char_type* aStart, const char_type* aEnd)
+  {
+    Rebind(aStart, uint32_t(aEnd - aStart));
+  }
+
+  void Rebind(const string_type&, uint32_t aStartPos);
+
+private:
+
+  // NOT USED
+  nsTDependentString_CharT(const substring_tuple_type&) = delete;
+};