| // 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_FPDFAPI_FPDF_PARSER_CPDF_INDIRECT_OBJECT_HOLDER_H_ |
| #define CORE_FPDFAPI_FPDF_PARSER_CPDF_INDIRECT_OBJECT_HOLDER_H_ |
| |
| #include <map> |
| #include <memory> |
| |
| #include "core/fxcrt/fx_system.h" |
| |
| class CPDF_Object; |
| |
| class CPDF_IndirectObjectHolder { |
| public: |
| using const_iterator = |
| std::map<uint32_t, std::unique_ptr<CPDF_Object>>::const_iterator; |
| |
| CPDF_IndirectObjectHolder(); |
| virtual ~CPDF_IndirectObjectHolder(); |
| |
| CPDF_Object* GetIndirectObject(uint32_t objnum) const; |
| CPDF_Object* GetOrParseIndirectObject(uint32_t objnum); |
| void ReleaseIndirectObject(uint32_t objnum); |
| |
| // Take ownership of |pObj|. |
| uint32_t AddIndirectObject(CPDF_Object* pObj); |
| bool ReplaceIndirectObjectIfHigherGeneration(uint32_t objnum, |
| CPDF_Object* pObj); |
| |
| uint32_t GetLastObjNum() const { return m_LastObjNum; } |
| void SetLastObjNum(uint32_t objnum) { m_LastObjNum = objnum; } |
| |
| const_iterator begin() const { return m_IndirectObjs.begin(); } |
| const_iterator end() const { return m_IndirectObjs.end(); } |
| |
| protected: |
| virtual CPDF_Object* ParseIndirectObject(uint32_t objnum); |
| |
| private: |
| uint32_t m_LastObjNum; |
| std::map<uint32_t, std::unique_ptr<CPDF_Object>> m_IndirectObjs; |
| }; |
| |
| #endif // CORE_FPDFAPI_FPDF_PARSER_CPDF_INDIRECT_OBJECT_HOLDER_H_ |