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+// Copyright 2016 PDFium Authors. All rights reserved.
+// 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 "core/fpdfdoc/cpvt_wordplace.h"
+#include "core/fxcrt/include/fx_system.h"
+
+struct CPVT_WordRange {
+ CPVT_WordRange() {}
+
+ CPVT_WordRange(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) {
+ Set(begin, end);
+ }
+
+ void Default() {
+ BeginPos.Default();
+ EndPos.Default();
+ }
+
+ void Set(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) {
+ BeginPos = begin;
+ EndPos = end;
+ SwapWordPlace();
+ }
+
+ void SetBeginPos(const CPVT_WordPlace& begin) {
+ BeginPos = begin;
+ SwapWordPlace();
+ }
+
+ void SetEndPos(const CPVT_WordPlace& end) {
+ EndPos = end;
+ SwapWordPlace();
+ }
+
+ FX_BOOL IsExist() const { return BeginPos != EndPos; }
+
+ FX_BOOL operator!=(const CPVT_WordRange& wr) const {
+ return wr.BeginPos != BeginPos || wr.EndPos != EndPos;
+ }
+
+ void SwapWordPlace() {
+ if (BeginPos.WordCmp(EndPos) > 0) {
+ CPVT_WordPlace place = EndPos;
+ EndPos = BeginPos;
+ BeginPos = place;
+ }
+ }
+
+ CPVT_WordPlace BeginPos;
+ CPVT_WordPlace EndPos;
+};
+
+#endif // CORE_FPDFDOC_CPVT_WORDRANGE_H_