1 files changed, 97 insertions, 0 deletions
diff --git a/intl/locale/DateTimeFormat.h b/intl/locale/DateTimeFormat.h
new file mode 100644
index 0000000000..4d7c605c68
--- /dev/null
+++ b/intl/locale/DateTimeFormat.h
@@ -0,0 +1,97 @@
+/* -*- 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 mozilla_DateTimeFormat_h
+#define mozilla_DateTimeFormat_h
+
+#include <time.h>
+#include "gtest/MozGtestFriend.h"
+#include "nsDataHashtable.h"
+#include "nsString.h"
+#include "prtime.h"
+#include "unicode/udat.h"
+
+namespace mozilla {
+
+enum nsDateFormatSelector : long {
+  // Do not change the order of the values below (see bug 1225696).
+  kDateFormatNone = 0,  // do not include the date  in the format string
+  kDateFormatLong,      // provides the long date format for the given locale
+  kDateFormatShort,     // provides the short date format for the given locale
+};
+
+enum nsTimeFormatSelector : long {
+  kTimeFormatNone = 0,  // don't include the time in the format string
+  kTimeFormatLong,      // provides the time format with seconds in the given
+                        // locale
+  kTimeFormatShort      // provides the time format without seconds in the given
+                        // locale
+};
+
+class DateTimeFormat {
+ public:
+  enum class Field { Month, Weekday };
+
+  enum class Style { Wide, Abbreviated };
+
+  enum class Skeleton { yyyyMM, yyyyMMMM };
+
+  // performs a locale sensitive date formatting operation on the PRTime
+  // parameter
+  static nsresult FormatPRTime(const nsDateFormatSelector aDateFormatSelector,
+                               const nsTimeFormatSelector aTimeFormatSelector,
+                               const PRTime aPrTime, nsAString& aStringOut);
+
+  // performs a locale sensitive date formatting operation on the PRExplodedTime
+  // parameter
+  static nsresult FormatPRExplodedTime(
+      const nsDateFormatSelector aDateFormatSelector,
+      const nsTimeFormatSelector aTimeFormatSelector,
+      const PRExplodedTime* aExplodedTime, nsAString& aStringOut);
+
+  // performs a locale sensitive date formatting operation on the PRExplodedTime
+  // parameter, using the specified options.
+  static nsresult FormatDateTime(const PRExplodedTime* aExplodedTime,
+                                 const Skeleton aSkeleton,
+                                 nsAString& aStringOut);
+
+  // finds the locale sensitive display name for the specified field on the
+  // PRExplodedTime parameter
+  static nsresult GetCalendarSymbol(const Field aField, const Style aStyle,
+                                    const PRExplodedTime* aExplodedTime,
+                                    nsAString& aStringOut);
+
+  static void Shutdown();
+
+ private:
+  DateTimeFormat() = delete;
+
+  static nsresult Initialize();
+  static void DeleteCache();
+  static const size_t kMaxCachedFormats = 15;
+
+  FRIEND_TEST(DateTimeFormat, FormatPRExplodedTime);
+  FRIEND_TEST(DateTimeFormat, DateFormatSelectors);
+  FRIEND_TEST(DateTimeFormat, FormatPRExplodedTimeForeign);
+  FRIEND_TEST(DateTimeFormat, DateFormatSelectorsForeign);
+
+  // performs a locale sensitive date formatting operation on the UDate
+  // parameter
+  static nsresult FormatUDateTime(
+      const nsDateFormatSelector aDateFormatSelector,
+      const nsTimeFormatSelector aTimeFormatSelector, const UDate aUDateTime,
+      const PRTimeParameters* aTimeParameters, nsAString& aStringOut);
+
+  static void BuildTimeZoneString(const PRTimeParameters& aTimeParameters,
+                                  nsAString& aStringOut);
+
+  static nsCString* mLocale;
+  static nsDataHashtable<nsCStringHashKey, UDateFormat*>* mFormatCache;
+};
+
+}  // namespace mozilla
+
+#endif /* mozilla_DateTimeFormat_h */