1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FPDFDOC_TAGGED_INT_H_
#define CORE_FPDFDOC_TAGGED_INT_H_
#include <map>
#include <memory>
#include <vector>
#include "core/fpdfdoc/fpdf_tagged.h"
#include "core/fxcrt/cfx_retain_ptr.h"
#include "third_party/base/stl_util.h"
class CPDF_StructElement;
struct CPDF_StructKid {
enum { Invalid, Element, PageContent, StreamContent, Object } m_Type;
union {
struct {
CPDF_StructElement* m_pElement;
CPDF_Dictionary* m_pDict;
} m_Element;
struct {
uint32_t m_PageObjNum;
uint32_t m_ContentId;
} m_PageContent;
struct {
uint32_t m_PageObjNum;
uint32_t m_ContentId;
uint32_t m_RefObjNum;
} m_StreamContent;
struct {
uint32_t m_PageObjNum;
uint32_t m_RefObjNum;
} m_Object;
};
};
class CPDF_StructTree final : public IPDF_StructTree {
public:
explicit CPDF_StructTree(const CPDF_Document* pDoc);
~CPDF_StructTree() override;
// IPDF_StructTree:
int CountTopElements() const override;
IPDF_StructElement* GetTopElement(int i) const override;
void LoadPageTree(const CPDF_Dictionary* pPageDict);
CPDF_StructElement* AddPageNode(
CPDF_Dictionary* pElement,
std::map<CPDF_Dictionary*, CPDF_StructElement*>& map,
int nLevel = 0);
bool AddTopLevelNode(CPDF_Dictionary* pDict, CPDF_StructElement* pElement);
protected:
const CPDF_Dictionary* const m_pTreeRoot;
const CPDF_Dictionary* const m_pRoleMap;
const CPDF_Dictionary* m_pPage;
std::vector<CFX_RetainPtr<CPDF_StructElement>> m_Kids;
friend class CPDF_StructElement;
};
class CPDF_StructElement final : public IPDF_StructElement {
public:
CPDF_StructElement(CPDF_StructTree* pTree,
CPDF_StructElement* pParent,
CPDF_Dictionary* pDict);
// IPDF_StructElement
IPDF_StructTree* GetTree() const override;
const CFX_ByteString& GetType() const override;
IPDF_StructElement* GetParent() const override;
CPDF_Dictionary* GetDict() const override;
int CountKids() const override;
IPDF_StructElement* GetKidIfElement(int index) const override;
CPDF_Object* GetAttr(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
bool bInheritable = false,
FX_FLOAT fLevel = 0.0F) override;
CFX_ByteString GetName(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
const CFX_ByteStringC& default_value,
bool bInheritable = false,
int subindex = -1) override;
FX_ARGB GetColor(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
FX_ARGB default_value,
bool bInheritable = false,
int subindex = -1) override;
FX_FLOAT GetNumber(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
FX_FLOAT default_value,
bool bInheritable = false,
int subindex = -1) override;
int GetInteger(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
int default_value,
bool bInheritable = false,
int subindex = -1) override;
std::vector<CPDF_StructKid>* GetKids() { return &m_Kids; }
void LoadKids(CPDF_Dictionary* pDict);
void LoadKid(uint32_t PageObjNum, CPDF_Object* pObj, CPDF_StructKid* pKid);
CPDF_Object* GetAttr(const CFX_ByteStringC& owner,
const CFX_ByteStringC& name,
bool bInheritable,
int subindex);
CPDF_StructElement* Retain();
void Release();
protected:
~CPDF_StructElement() override;
int m_RefCount;
CPDF_StructTree* const m_pTree;
CPDF_StructElement* const m_pParent;
CPDF_Dictionary* const m_pDict;
CFX_ByteString m_Type;
std::vector<CPDF_StructKid> m_Kids;
};
#endif // CORE_FPDFDOC_TAGGED_INT_H_
|
