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