1 files changed, 53 insertions, 0 deletions
diff --git a/intl/lwbrk/WordBreaker.h b/intl/lwbrk/WordBreaker.h
new file mode 100644
index 0000000000..57cb4b18b7
--- /dev/null
+++ b/intl/lwbrk/WordBreaker.h
@@ -0,0 +1,53 @@
+/* -*- 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_intl_WordBreaker_h__
+#define mozilla_intl_WordBreaker_h__
+
+#include "nscore.h"
+#include "nsISupports.h"
+
+#define NS_WORDBREAKER_NEED_MORE_TEXT -1
+
+namespace mozilla {
+namespace intl {
+
+typedef struct {
+  uint32_t mBegin;
+  uint32_t mEnd;
+} WordRange;
+
+enum WordBreakClass : uint8_t {
+  kWbClassSpace = 0,
+  kWbClassAlphaLetter,
+  kWbClassPunct,
+  kWbClassHanLetter,
+  kWbClassKatakanaLetter,
+  kWbClassHiraganaLetter,
+  kWbClassHWKatakanaLetter,
+  kWbClassScriptioContinua
+};
+
+class WordBreaker {
+ public:
+  NS_INLINE_DECL_REFCOUNTING(WordBreaker)
+
+  static already_AddRefed<WordBreaker> Create();
+
+  bool BreakInBetween(const char16_t* aText1, uint32_t aTextLen1,
+                      const char16_t* aText2, uint32_t aTextLen2);
+  WordRange FindWord(const char16_t* aText1, uint32_t aTextLen1,
+                     uint32_t aOffset);
+  int32_t NextWord(const char16_t* aText, uint32_t aLen, uint32_t aPos);
+
+  static WordBreakClass GetClass(char16_t aChar);
+
+ private:
+  ~WordBreaker() = default;
+};
+
+}  // namespace intl
+}  // namespace mozilla
+
+#endif /* mozilla_intl_WordBreaker_h__ */