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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_PARSER_CPDF_DICTIONARY_H_ | 7 #ifndef CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_ |
8 #define CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_ | 8 #define CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_ |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 #include <set> | 11 #include <set> |
12 | 12 |
13 #include "core/fpdfapi/parser/cpdf_object.h" | 13 #include "core/fpdfapi/parser/cpdf_object.h" |
14 #include "core/fxcrt/cfx_string_pool_template.h" | 14 #include "core/fxcrt/cfx_string_pool_template.h" |
15 #include "core/fxcrt/cfx_weak_ptr.h" | 15 #include "core/fxcrt/cfx_weak_ptr.h" |
16 #include "core/fxcrt/fx_coordinates.h" | 16 #include "core/fxcrt/fx_coordinates.h" |
17 #include "core/fxcrt/fx_string.h" | 17 #include "core/fxcrt/fx_string.h" |
18 #include "third_party/base/ptr_util.h" | |
18 | 19 |
19 class CPDF_IndirectObjectHolder; | 20 class CPDF_IndirectObjectHolder; |
20 | 21 |
21 class CPDF_Dictionary : public CPDF_Object { | 22 class CPDF_Dictionary : public CPDF_Object { |
22 public: | 23 public: |
23 using iterator = std::map<CFX_ByteString, CPDF_Object*>::iterator; | 24 using iterator = std::map<CFX_ByteString, CPDF_Object*>::iterator; |
24 using const_iterator = std::map<CFX_ByteString, CPDF_Object*>::const_iterator; | 25 using const_iterator = std::map<CFX_ByteString, CPDF_Object*>::const_iterator; |
25 | 26 |
26 CPDF_Dictionary(); | 27 CPDF_Dictionary(); |
27 explicit CPDF_Dictionary(const CFX_WeakPtr<CFX_ByteStringPool>& pPool); | 28 explicit CPDF_Dictionary(const CFX_WeakPtr<CFX_ByteStringPool>& pPool); |
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91 | 92 |
92 CFX_ByteString MaybeIntern(const CFX_ByteString& str); | 93 CFX_ByteString MaybeIntern(const CFX_ByteString& str); |
93 CPDF_Object* CloneNonCyclic( | 94 CPDF_Object* CloneNonCyclic( |
94 bool bDirect, | 95 bool bDirect, |
95 std::set<const CPDF_Object*>* visited) const override; | 96 std::set<const CPDF_Object*>* visited) const override; |
96 | 97 |
97 CFX_WeakPtr<CFX_ByteStringPool> m_pPool; | 98 CFX_WeakPtr<CFX_ByteStringPool> m_pPool; |
98 std::map<CFX_ByteString, CPDF_Object*> m_Map; | 99 std::map<CFX_ByteString, CPDF_Object*> m_Map; |
99 }; | 100 }; |
100 | 101 |
102 using UniqueDictionary = | |
103 std::unique_ptr<CPDF_Dictionary, ReleaseDeleter<CPDF_Object>>; | |
104 | |
101 inline CPDF_Dictionary* ToDictionary(CPDF_Object* obj) { | 105 inline CPDF_Dictionary* ToDictionary(CPDF_Object* obj) { |
102 return obj ? obj->AsDictionary() : nullptr; | 106 return obj ? obj->AsDictionary() : nullptr; |
103 } | 107 } |
104 | 108 |
105 inline const CPDF_Dictionary* ToDictionary(const CPDF_Object* obj) { | 109 inline const CPDF_Dictionary* ToDictionary(const CPDF_Object* obj) { |
106 return obj ? obj->AsDictionary() : nullptr; | 110 return obj ? obj->AsDictionary() : nullptr; |
107 } | 111 } |
108 | 112 |
113 inline UniqueDictionary ToDictionary(UniqueObject obj) { | |
Lei Zhang
2016/10/13 22:52:38
Do we still want to explicitly inline / implement
Tom Sepez
2016/10/13 22:56:04
For now, I think so just to keep them together.
| |
114 CPDF_Dictionary* pDict = ToDictionary(obj.get()); | |
115 if (!pDict) | |
116 return nullptr; | |
117 obj.release(); | |
118 return UniqueDictionary(pDict); | |
119 } | |
120 | |
109 #endif // CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_ | 121 #endif // CORE_FPDFAPI_PARSER_CPDF_DICTIONARY_H_ |
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