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1 // Copyright 2016 PDFium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
6 | |
7 #include "core/fpdfapi/fpdf_parser/cpdf_object.h" | |
8 | |
9 #include <algorithm> | |
10 | |
11 #include "core/fpdfapi/fpdf_parser/cpdf_array.h" | |
12 #include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" | |
13 #include "core/fpdfapi/fpdf_parser/cpdf_indirect_object_holder.h" | |
14 #include "core/fpdfapi/fpdf_parser/cpdf_parser.h" | |
15 #include "core/fpdfapi/fpdf_parser/fpdf_parser_decode.h" | |
16 #include "core/fxcrt/fx_string.h" | |
17 #include "third_party/base/stl_util.h" | |
18 | |
19 CPDF_Object::~CPDF_Object() {} | |
20 | |
21 CPDF_Object* CPDF_Object::GetDirect() const { | |
22 return const_cast<CPDF_Object*>(this); | |
23 } | |
24 | |
25 CPDF_Object* CPDF_Object::CloneObjectNonCyclic(bool bDirect) const { | |
26 std::set<const CPDF_Object*> visited_objs; | |
27 return CloneNonCyclic(bDirect, &visited_objs); | |
28 } | |
29 | |
30 CPDF_Object* CPDF_Object::CloneDirectObject() const { | |
31 return CloneObjectNonCyclic(true); | |
32 } | |
33 | |
34 CPDF_Object* CPDF_Object::CloneNonCyclic( | |
35 bool bDirect, | |
36 std::set<const CPDF_Object*>* pVisited) const { | |
37 return Clone(); | |
38 } | |
39 | |
40 void CPDF_Object::Release() { | |
41 if (m_ObjNum) | |
42 return; | |
43 | |
44 delete this; | |
45 } | |
46 | |
47 CFX_ByteString CPDF_Object::GetString() const { | |
48 return CFX_ByteString(); | |
49 } | |
50 | |
51 CFX_WideString CPDF_Object::GetUnicodeText() const { | |
52 return CFX_WideString(); | |
53 } | |
54 | |
55 FX_FLOAT CPDF_Object::GetNumber() const { | |
56 return 0; | |
57 } | |
58 | |
59 int CPDF_Object::GetInteger() const { | |
60 return 0; | |
61 } | |
62 | |
63 CPDF_Dictionary* CPDF_Object::GetDict() const { | |
64 return nullptr; | |
65 } | |
66 | |
67 void CPDF_Object::SetString(const CFX_ByteString& str) { | |
68 ASSERT(FALSE); | |
69 } | |
70 | |
71 bool CPDF_Object::IsArray() const { | |
72 return false; | |
73 } | |
74 | |
75 bool CPDF_Object::IsBoolean() const { | |
76 return false; | |
77 } | |
78 | |
79 bool CPDF_Object::IsDictionary() const { | |
80 return false; | |
81 } | |
82 | |
83 bool CPDF_Object::IsName() const { | |
84 return false; | |
85 } | |
86 | |
87 bool CPDF_Object::IsNumber() const { | |
88 return false; | |
89 } | |
90 | |
91 bool CPDF_Object::IsReference() const { | |
92 return false; | |
93 } | |
94 | |
95 bool CPDF_Object::IsStream() const { | |
96 return false; | |
97 } | |
98 | |
99 bool CPDF_Object::IsString() const { | |
100 return false; | |
101 } | |
102 | |
103 CPDF_Array* CPDF_Object::AsArray() { | |
104 return nullptr; | |
105 } | |
106 | |
107 const CPDF_Array* CPDF_Object::AsArray() const { | |
108 return nullptr; | |
109 } | |
110 | |
111 CPDF_Boolean* CPDF_Object::AsBoolean() { | |
112 return nullptr; | |
113 } | |
114 | |
115 const CPDF_Boolean* CPDF_Object::AsBoolean() const { | |
116 return nullptr; | |
117 } | |
118 | |
119 CPDF_Dictionary* CPDF_Object::AsDictionary() { | |
120 return nullptr; | |
121 } | |
122 | |
123 const CPDF_Dictionary* CPDF_Object::AsDictionary() const { | |
124 return nullptr; | |
125 } | |
126 | |
127 CPDF_Name* CPDF_Object::AsName() { | |
128 return nullptr; | |
129 } | |
130 | |
131 const CPDF_Name* CPDF_Object::AsName() const { | |
132 return nullptr; | |
133 } | |
134 | |
135 CPDF_Number* CPDF_Object::AsNumber() { | |
136 return nullptr; | |
137 } | |
138 | |
139 const CPDF_Number* CPDF_Object::AsNumber() const { | |
140 return nullptr; | |
141 } | |
142 | |
143 CPDF_Reference* CPDF_Object::AsReference() { | |
144 return nullptr; | |
145 } | |
146 | |
147 const CPDF_Reference* CPDF_Object::AsReference() const { | |
148 return nullptr; | |
149 } | |
150 | |
151 CPDF_Stream* CPDF_Object::AsStream() { | |
152 return nullptr; | |
153 } | |
154 | |
155 const CPDF_Stream* CPDF_Object::AsStream() const { | |
156 return nullptr; | |
157 } | |
158 | |
159 CPDF_String* CPDF_Object::AsString() { | |
160 return nullptr; | |
161 } | |
162 | |
163 const CPDF_String* CPDF_Object::AsString() const { | |
164 return nullptr; | |
165 } | |
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