// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef TextSearcherICU_h
#define TextSearcherICU_h

#include "base/macros.h"
#include "core/CoreExport.h"
#include "platform/wtf/text/StringView.h"
#include "platform/wtf/text/Unicode.h"

struct UStringSearch;

namespace blink {

struct CORE_EXPORT MatchResultICU {
  size_t start;
  size_t length;
};

class CORE_EXPORT TextSearcherICU {
 public:
  TextSearcherICU();
  ~TextSearcherICU();

  void SetPattern(const StringView& pattern, bool sensitive);
  void SetText(const UChar* text, size_t length);
  void SetOffset(size_t);
  bool NextMatchResult(MatchResultICU&);

 private:
  void SetPattern(const UChar* pattern, size_t length);
  void SetCaseSensitivity(bool case_sensitive);

  UStringSearch* searcher_ = nullptr;
  size_t text_length_ = 0;

  DISALLOW_COPY_AND_ASSIGN(TextSearcherICU);
};

}  // namespace blink

#endif  // TextSearcherICU_h