/* -*- 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,

  kWbClassThaiLetter

};

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() {}

};

}  // namespace intl

}  // namespace mozilla

#endif /* mozilla_intl_WordBreaker_h__ */