cpvt_wordrange.h

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// Copyright 2016 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
#ifndef CORE_FPDFDOC_CPVT_WORDRANGE_H_
#define CORE_FPDFDOC_CPVT_WORDRANGE_H_
 
#include <algorithm>
#include <utility>
 
#include "core/fpdfdoc/cpvt_wordplace.h"
 
struct CPVT_WordRange {
  CPVT_WordRange() = default;
 
  CPVT_WordRange(const CPVT_WordPlace& begin, const CPVT_WordPlace& end)
      : BeginPos(begin), EndPos(end) {
    Normalize();
  }
 
  inline bool IsEmpty() const { return BeginPos == EndPos; }
  inline bool operator==(const CPVT_WordRange& wr) const {
    return wr.BeginPos == BeginPos && wr.EndPos == EndPos;
  }
  inline bool operator!=(const CPVT_WordRange& wr) const {
    return !(*this == wr);
  }
 
  void Normalize() {
    if (BeginPos > EndPos)
      std::swap(BeginPos, EndPos);
  }
 
  CPVT_WordPlace BeginPos;
  CPVT_WordPlace EndPos;
};
 
#endif  // CORE_FPDFDOC_CPVT_WORDRANGE_H_