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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_OBJECT_H_ | 7 #ifndef CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_OBJECT_H_ |
8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_OBJECT_H_ | 8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_OBJECT_H_ |
9 | 9 |
10 #include <memory> | |
11 #include <set> | 10 #include <set> |
12 | 11 |
13 #include "core/fxcrt/include/fx_string.h" | 12 #include "core/fxcrt/include/fx_string.h" |
14 #include "core/fxcrt/include/fx_system.h" | 13 #include "core/fxcrt/include/fx_system.h" |
15 | 14 |
16 class CPDF_Array; | 15 class CPDF_Array; |
17 class CPDF_Boolean; | 16 class CPDF_Boolean; |
18 class CPDF_Dictionary; | 17 class CPDF_Dictionary; |
19 class CPDF_Name; | 18 class CPDF_Name; |
20 class CPDF_Null; | 19 class CPDF_Null; |
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86 virtual const CPDF_String* AsString() const; | 85 virtual const CPDF_String* AsString() const; |
87 | 86 |
88 protected: | 87 protected: |
89 friend class CPDF_Array; | 88 friend class CPDF_Array; |
90 friend class CPDF_Dictionary; | 89 friend class CPDF_Dictionary; |
91 friend class CPDF_Document; | 90 friend class CPDF_Document; |
92 friend class CPDF_IndirectObjectHolder; | 91 friend class CPDF_IndirectObjectHolder; |
93 friend class CPDF_Parser; | 92 friend class CPDF_Parser; |
94 friend class CPDF_Reference; | 93 friend class CPDF_Reference; |
95 friend class CPDF_Stream; | 94 friend class CPDF_Stream; |
96 friend struct std::default_delete<CPDF_Object>; | |
97 | 95 |
98 CPDF_Object() : m_ObjNum(0), m_GenNum(0) {} | 96 CPDF_Object() : m_ObjNum(0), m_GenNum(0) {} |
99 virtual ~CPDF_Object(); | 97 virtual ~CPDF_Object(); |
100 | 98 |
101 CPDF_Object* CloneObjectNonCyclic(bool bDirect) const; | 99 CPDF_Object* CloneObjectNonCyclic(bool bDirect) const; |
102 | 100 |
103 // Create a deep copy of the object with the option to either | 101 // Create a deep copy of the object with the option to either |
104 // copy a reference object or directly copy the object it refers to | 102 // copy a reference object or directly copy the object it refers to |
105 // when |bDirect| is true. | 103 // when |bDirect| is true. |
106 // Also check cyclic reference against |pVisited|, no copy if it is found. | 104 // Also check cyclic reference against |pVisited|, no copy if it is found. |
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174 | 172 |
175 inline CPDF_Stream* ToStream(CPDF_Object* obj) { | 173 inline CPDF_Stream* ToStream(CPDF_Object* obj) { |
176 return obj ? obj->AsStream() : nullptr; | 174 return obj ? obj->AsStream() : nullptr; |
177 } | 175 } |
178 | 176 |
179 inline const CPDF_Stream* ToStream(const CPDF_Object* obj) { | 177 inline const CPDF_Stream* ToStream(const CPDF_Object* obj) { |
180 return obj ? obj->AsStream() : nullptr; | 178 return obj ? obj->AsStream() : nullptr; |
181 } | 179 } |
182 | 180 |
183 #endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_OBJECT_H_ | 181 #endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_OBJECT_H_ |
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