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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_ | 7 #ifndef CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_ |
8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_ | 8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_ |
9 | 9 |
10 #include <map> | 10 #include <map> |
| 11 #include <memory> |
11 | 12 |
12 #include "core/fxcrt/include/fx_system.h" | 13 #include "core/fxcrt/include/fx_system.h" |
13 | 14 |
14 class CPDF_Object; | 15 class CPDF_Object; |
15 | 16 |
16 class CPDF_IndirectObjectHolder { | 17 class CPDF_IndirectObjectHolder { |
17 public: | 18 public: |
18 using iterator = std::map<uint32_t, CPDF_Object*>::iterator; | 19 using const_iterator = |
19 using const_iterator = std::map<uint32_t, CPDF_Object*>::const_iterator; | 20 std::map<uint32_t, std::unique_ptr<CPDF_Object>>::const_iterator; |
20 | 21 |
21 CPDF_IndirectObjectHolder(); | 22 CPDF_IndirectObjectHolder(); |
22 virtual ~CPDF_IndirectObjectHolder(); | 23 virtual ~CPDF_IndirectObjectHolder(); |
23 | 24 |
24 CPDF_Object* GetIndirectObject(uint32_t objnum) const; | 25 CPDF_Object* GetIndirectObject(uint32_t objnum) const; |
25 CPDF_Object* GetOrParseIndirectObject(uint32_t objnum); | 26 CPDF_Object* GetOrParseIndirectObject(uint32_t objnum); |
26 void ReleaseIndirectObject(uint32_t objnum); | 27 void ReleaseIndirectObject(uint32_t objnum); |
27 | 28 |
28 // Take ownership of |pObj|. | 29 // Take ownership of |pObj|. |
29 uint32_t AddIndirectObject(CPDF_Object* pObj); | 30 uint32_t AddIndirectObject(CPDF_Object* pObj); |
30 bool ReplaceIndirectObjectIfHigherGeneration(uint32_t objnum, | 31 bool ReplaceIndirectObjectIfHigherGeneration(uint32_t objnum, |
31 CPDF_Object* pObj); | 32 CPDF_Object* pObj); |
32 | 33 |
33 uint32_t GetLastObjNum() const { return m_LastObjNum; } | 34 uint32_t GetLastObjNum() const { return m_LastObjNum; } |
34 void SetLastObjNum(uint32_t objnum) { m_LastObjNum = objnum; } | 35 void SetLastObjNum(uint32_t objnum) { m_LastObjNum = objnum; } |
35 | 36 |
36 iterator begin() { return m_IndirectObjs.begin(); } | |
37 const_iterator begin() const { return m_IndirectObjs.begin(); } | 37 const_iterator begin() const { return m_IndirectObjs.begin(); } |
38 iterator end() { return m_IndirectObjs.end(); } | |
39 const_iterator end() const { return m_IndirectObjs.end(); } | 38 const_iterator end() const { return m_IndirectObjs.end(); } |
40 | 39 |
41 protected: | 40 protected: |
42 virtual CPDF_Object* ParseIndirectObject(uint32_t objnum); | 41 virtual CPDF_Object* ParseIndirectObject(uint32_t objnum); |
43 | 42 |
44 private: | 43 private: |
45 uint32_t m_LastObjNum; | 44 uint32_t m_LastObjNum; |
46 std::map<uint32_t, CPDF_Object*> m_IndirectObjs; | 45 std::map<uint32_t, std::unique_ptr<CPDF_Object>> m_IndirectObjs; |
47 }; | 46 }; |
48 | 47 |
49 #endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_ | 48 #endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_INDIRECT_OBJECT_HOLDER_H_ |
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