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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_REFERENCE_H_ | 7 #ifndef CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_REFERENCE_H_ |
8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_REFERENCE_H_ | 8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_REFERENCE_H_ |
9 | 9 |
10 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" | 10 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" |
11 | 11 |
12 class CPDF_IndirectObjectHolder; | 12 class CPDF_IndirectObjectHolder; |
13 | 13 |
14 class CPDF_Reference : public CPDF_Object { | 14 class CPDF_Reference : public CPDF_Object { |
15 public: | 15 public: |
16 CPDF_Reference(CPDF_IndirectObjectHolder* pDoc, int objnum); | 16 CPDF_Reference(CPDF_IndirectObjectHolder* pDoc, int objnum); |
17 | 17 |
18 // CPDF_Object. | 18 // CPDF_Object. |
19 Type GetType() const override; | 19 Type GetType() const override; |
20 CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; | 20 CPDF_Object* Clone(FX_BOOL bDirect = FALSE) const override; |
21 CPDF_Object* GetDirect() const override; | 21 CPDF_Object* GetDirect() const override; |
22 CFX_ByteString GetString() const override; | 22 CFX_ByteString GetString() const override; |
23 CFX_ByteStringC GetConstString() const override; | |
24 FX_FLOAT GetNumber() const override; | 23 FX_FLOAT GetNumber() const override; |
25 int GetInteger() const override; | 24 int GetInteger() const override; |
26 CPDF_Dictionary* GetDict() const override; | 25 CPDF_Dictionary* GetDict() const override; |
27 | 26 |
28 // TODO(weili): check whether GetUnicodeText() and GetArray() are needed. | 27 // TODO(weili): check whether GetUnicodeText() and GetArray() are needed. |
29 bool IsReference() const override; | 28 bool IsReference() const override; |
30 CPDF_Reference* AsReference() override; | 29 CPDF_Reference* AsReference() override; |
31 const CPDF_Reference* AsReference() const override; | 30 const CPDF_Reference* AsReference() const override; |
32 | 31 |
33 CPDF_IndirectObjectHolder* GetObjList() const { return m_pObjList; } | 32 CPDF_IndirectObjectHolder* GetObjList() const { return m_pObjList; } |
34 uint32_t GetRefObjNum() const { return m_RefObjNum; } | 33 uint32_t GetRefObjNum() const { return m_RefObjNum; } |
35 | 34 |
36 void SetRef(CPDF_IndirectObjectHolder* pDoc, uint32_t objnum); | 35 void SetRef(CPDF_IndirectObjectHolder* pDoc, uint32_t objnum); |
37 | 36 |
38 protected: | 37 protected: |
39 ~CPDF_Reference() override; | 38 ~CPDF_Reference() override; |
40 CPDF_Object* SafeGetDirect() const { | 39 CPDF_Object* SafeGetDirect() const { |
41 CPDF_Object* obj = GetDirect(); | 40 CPDF_Object* obj = GetDirect(); |
42 if (!obj || obj->IsReference()) | 41 if (!obj || obj->IsReference()) |
43 return nullptr; | 42 return nullptr; |
44 return obj; | 43 return obj; |
45 } | 44 } |
46 | 45 |
47 CPDF_IndirectObjectHolder* m_pObjList; | 46 CPDF_IndirectObjectHolder* m_pObjList; |
48 uint32_t m_RefObjNum; | 47 uint32_t m_RefObjNum; |
49 }; | 48 }; |
50 | 49 |
51 #endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_REFERENCE_H_ | 50 #endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_REFERENCE_H_ |
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