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      1 // Copyright 2016 PDFium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
      6 
      7 #ifndef CORE_FPDFAPI_PAGE_CPDF_CONTENTMARK_H_
      8 #define CORE_FPDFAPI_PAGE_CPDF_CONTENTMARK_H_
      9 
     10 #include <vector>
     11 
     12 #include "core/fpdfapi/page/cpdf_contentmarkitem.h"
     13 #include "core/fxcrt/cfx_shared_copy_on_write.h"
     14 #include "core/fxcrt/fx_basic.h"
     15 #include "core/fxcrt/fx_system.h"
     16 
     17 class CPDF_Dictionary;
     18 
     19 class CPDF_ContentMark {
     20  public:
     21   CPDF_ContentMark();
     22   CPDF_ContentMark(const CPDF_ContentMark& that);
     23   ~CPDF_ContentMark();
     24 
     25   void SetNull();
     26 
     27   int GetMCID() const;
     28   int CountItems() const;
     29   const CPDF_ContentMarkItem& GetItem(int i) const;
     30 
     31   bool HasMark(const CFX_ByteStringC& mark) const;
     32   bool LookupMark(const CFX_ByteStringC& mark, CPDF_Dictionary*& pDict) const;
     33   void AddMark(const CFX_ByteString& name,
     34                CPDF_Dictionary* pDict,
     35                bool bDirect);
     36   void DeleteLastMark();
     37 
     38   explicit operator bool() const { return !!m_Ref; }
     39 
     40  private:
     41   class MarkData {
     42    public:
     43     MarkData();
     44     MarkData(const MarkData& src);
     45     ~MarkData();
     46 
     47     int CountItems() const;
     48     CPDF_ContentMarkItem& GetItem(int index);
     49     const CPDF_ContentMarkItem& GetItem(int index) const;
     50 
     51     int GetMCID() const;
     52     void AddMark(const CFX_ByteString& name,
     53                  CPDF_Dictionary* pDict,
     54                  bool bDictNeedClone);
     55     void DeleteLastMark();
     56 
     57    private:
     58     std::vector<CPDF_ContentMarkItem> m_Marks;
     59   };
     60 
     61   CFX_SharedCopyOnWrite<MarkData> m_Ref;
     62 };
     63 
     64 #endif  // CORE_FPDFAPI_PAGE_CPDF_CONTENTMARK_H_
     65