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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 #ifndef CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_DICTIONARY_H_ | |
8 #define CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_DICTIONARY_H_ | |
9 | |
10 #include <map> | |
11 #include <set> | |
12 | |
13 #include "core/fpdfapi/fpdf_parser/include/cpdf_object.h" | |
14 #include "core/fxcrt/include/cfx_string_pool_template.h" | |
15 #include "core/fxcrt/include/cfx_weak_ptr.h" | |
16 #include "core/fxcrt/include/fx_coordinates.h" | |
17 #include "core/fxcrt/include/fx_string.h" | |
18 | |
19 class CPDF_IndirectObjectHolder; | |
20 | |
21 class CPDF_Dictionary : public CPDF_Object { | |
22 public: | |
23 using iterator = std::map<CFX_ByteString, CPDF_Object*>::iterator; | |
24 using const_iterator = std::map<CFX_ByteString, CPDF_Object*>::const_iterator; | |
25 | |
26 explicit CPDF_Dictionary(const CFX_WeakPtr<CFX_ByteStringPool>& pPool); | |
27 | |
28 // CPDF_Object. | |
29 Type GetType() const override; | |
30 CPDF_Object* Clone() const override; | |
31 CPDF_Dictionary* GetDict() const override; | |
32 bool IsDictionary() const override; | |
33 CPDF_Dictionary* AsDictionary() override; | |
34 const CPDF_Dictionary* AsDictionary() const override; | |
35 | |
36 size_t GetCount() const { return m_Map.size(); } | |
37 CPDF_Object* GetObjectFor(const CFX_ByteString& key) const; | |
38 CPDF_Object* GetDirectObjectFor(const CFX_ByteString& key) const; | |
39 CFX_ByteString GetStringFor(const CFX_ByteString& key) const; | |
40 CFX_ByteString GetStringFor(const CFX_ByteString& key, | |
41 const CFX_ByteString& default_str) const; | |
42 CFX_WideString GetUnicodeTextFor(const CFX_ByteString& key) const; | |
43 int GetIntegerFor(const CFX_ByteString& key) const; | |
44 int GetIntegerFor(const CFX_ByteString& key, int default_int) const; | |
45 bool GetBooleanFor(const CFX_ByteString& key, bool bDefault = false) const; | |
46 FX_FLOAT GetNumberFor(const CFX_ByteString& key) const; | |
47 CPDF_Dictionary* GetDictFor(const CFX_ByteString& key) const; | |
48 CPDF_Stream* GetStreamFor(const CFX_ByteString& key) const; | |
49 CPDF_Array* GetArrayFor(const CFX_ByteString& key) const; | |
50 CFX_FloatRect GetRectFor(const CFX_ByteString& key) const; | |
51 CFX_Matrix GetMatrixFor(const CFX_ByteString& key) const; | |
52 FX_FLOAT GetFloatFor(const CFX_ByteString& key) const { | |
53 return GetNumberFor(key); | |
54 } | |
55 | |
56 FX_BOOL KeyExist(const CFX_ByteString& key) const; | |
57 bool IsSignatureDict() const; | |
58 | |
59 // Set* functions invalidate iterators for the element with the key |key|. | |
60 void SetFor(const CFX_ByteString& key, CPDF_Object* pObj); | |
61 void SetNameFor(const CFX_ByteString& key, const CFX_ByteString& name); | |
62 void SetStringFor(const CFX_ByteString& key, const CFX_ByteString& str); | |
63 void SetIntegerFor(const CFX_ByteString& key, int i); | |
64 void SetNumberFor(const CFX_ByteString& key, FX_FLOAT f); | |
65 void SetReferenceFor(const CFX_ByteString& key, | |
66 CPDF_IndirectObjectHolder* pDoc, | |
67 uint32_t objnum); | |
68 void SetRectFor(const CFX_ByteString& key, const CFX_FloatRect& rect); | |
69 void SetMatrixFor(const CFX_ByteString& key, const CFX_Matrix& matrix); | |
70 void SetBooleanFor(const CFX_ByteString& key, bool bValue); | |
71 | |
72 // Invalidates iterators for the element with the key |key|. | |
73 void RemoveFor(const CFX_ByteString& key); | |
74 | |
75 // Invalidates iterators for the element with the key |oldkey|. | |
76 void ReplaceKey(const CFX_ByteString& oldkey, const CFX_ByteString& newkey); | |
77 | |
78 iterator begin() { return m_Map.begin(); } | |
79 iterator end() { return m_Map.end(); } | |
80 const_iterator begin() const { return m_Map.begin(); } | |
81 const_iterator end() const { return m_Map.end(); } | |
82 | |
83 CFX_WeakPtr<CFX_ByteStringPool> GetByteStringPool() const { return m_pPool; } | |
84 | |
85 protected: | |
86 ~CPDF_Dictionary() override; | |
87 | |
88 CFX_ByteString MaybeIntern(const CFX_ByteString& str); | |
89 CPDF_Object* CloneNonCyclic( | |
90 bool bDirect, | |
91 std::set<const CPDF_Object*>* visited) const override; | |
92 | |
93 CFX_WeakPtr<CFX_ByteStringPool> m_pPool; | |
94 std::map<CFX_ByteString, CPDF_Object*> m_Map; | |
95 }; | |
96 | |
97 #endif // CORE_FPDFAPI_FPDF_PARSER_INCLUDE_CPDF_DICTIONARY_H_ | |
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