Issue #1829 - Revert "Issue #1751"

intl/locale/mac/nsCollationMacUC.h

@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsCollationMacUC_h_
+#define nsCollationMacUC_h_
+
+#include "nsICollation.h"
+#include "nsCollation.h"
+#include "mozilla/Attributes.h"
+
+#include "unicode/ucol.h"
+
+class nsCollationMacUC final : public nsICollation {
+
+public:
+  nsCollationMacUC();
+
+  // nsISupports interface
+  NS_DECL_ISUPPORTS
+
+  // nsICollation interface
+  NS_DECL_NSICOLLATION
+
+protected:
+  ~nsCollationMacUC();
+
+  nsresult ConvertLocaleICU(nsILocale* aNSLocale, char** aICULocale);
+  nsresult ConvertStrength(const int32_t aStrength,
+                           UCollationStrength* aStrengthOut,
+                           UColAttributeValue* aCaseLevelOut);
+  nsresult EnsureCollator(const int32_t newStrength);
+  nsresult CleanUpCollator(void);
+
+private:
+  bool mInit;
+  bool mHasCollator;
+  char* mLocaleICU;
+  int32_t mLastStrength;
+  UCollator* mCollatorICU;
+};
+
+#endif  /* nsCollationMacUC_h_ */