1 files changed, 92 insertions, 0 deletions
diff --git a/xpcom/string/nsStringFwd.h b/xpcom/string/nsStringFwd.h
new file mode 100644
index 0000000000..f737545163
--- /dev/null
+++ b/xpcom/string/nsStringFwd.h
@@ -0,0 +1,92 @@
+/* -*- 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/. */
+
+/* nsStringFwd.h --- forward declarations for string classes */
+
+#ifndef nsStringFwd_h
+#define nsStringFwd_h
+
+#include "nscore.h"
+
+static constexpr int32_t kNotFound = -1;
+
+namespace mozilla {
+namespace detail {
+
+template <typename T>
+class nsTStringRepr;
+
+using nsStringRepr = nsTStringRepr<char16_t>;
+using nsCStringRepr = nsTStringRepr<char>;
+
+}  // namespace detail
+}  // namespace mozilla
+
+static const size_t AutoStringDefaultStorageSize = 64;
+
+template <typename T>
+class nsTSubstring;
+template <typename T>
+class nsTSubstringTuple;
+template <typename T>
+class nsTString;
+template <typename T, size_t N>
+class nsTAutoStringN;
+template <typename T>
+class nsTDependentString;
+template <typename T>
+class nsTDependentSubstring;
+template <typename T>
+class nsTPromiseFlatString;
+template <typename T>
+class nsTLiteralString;
+template <typename T>
+class nsTSubstringSplitter;
+
+template <typename T>
+using nsTStringComparator = int (*)(const T*, const T*, size_t, size_t);
+
+// The default string comparator (case-sensitive comparision)
+template <typename T>
+int nsTDefaultStringComparator(const T*, const T*, size_t, size_t);
+
+// We define this version without a size param instead of providing a
+// default value for N so that so there is a default typename that doesn't
+// require angle brackets.
+template <typename T>
+using nsTAutoString = nsTAutoStringN<T, AutoStringDefaultStorageSize>;
+
+// Double-byte (char16_t) string types.
+
+using nsAString = nsTSubstring<char16_t>;
+using nsSubstringTuple = nsTSubstringTuple<char16_t>;
+using nsString = nsTString<char16_t>;
+using nsAutoString = nsTAutoString<char16_t>;
+template <size_t N>
+using nsAutoStringN = nsTAutoStringN<char16_t, N>;
+using nsDependentString = nsTDependentString<char16_t>;
+using nsDependentSubstring = nsTDependentSubstring<char16_t>;
+using nsPromiseFlatString = nsTPromiseFlatString<char16_t>;
+using nsStringComparator = nsTStringComparator<char16_t>;
+using nsLiteralString = nsTLiteralString<char16_t>;
+using nsSubstringSplitter = nsTSubstringSplitter<char16_t>;
+
+// Single-byte (char) string types.
+
+using nsACString = nsTSubstring<char>;
+using nsCSubstringTuple = nsTSubstringTuple<char>;
+using nsCString = nsTString<char>;
+using nsAutoCString = nsTAutoString<char>;
+template <size_t N>
+using nsAutoCStringN = nsTAutoStringN<char, N>;
+using nsDependentCString = nsTDependentString<char>;
+using nsDependentCSubstring = nsTDependentSubstring<char>;
+using nsPromiseFlatCString = nsTPromiseFlatString<char>;
+using nsCStringComparator = nsTStringComparator<char>;
+using nsLiteralCString = nsTLiteralString<char>;
+using nsCSubstringSplitter = nsTSubstringSplitter<char>;
+
+#endif /* !defined(nsStringFwd_h) */