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1 // Copyright 2014 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_INCLUDE_FXCRT_FX_XML_H_ | |
8 #define CORE_INCLUDE_FXCRT_FX_XML_H_ | |
9 | |
10 #include <memory> | |
11 #include <vector> | |
12 | |
13 #include "core/include/fxcrt/fx_basic.h" | |
14 | |
15 class CXML_AttrItem { | |
16 public: | |
17 bool Matches(const CFX_ByteStringC& space, const CFX_ByteStringC& name) const; | |
18 | |
19 CFX_ByteString m_QSpaceName; | |
20 CFX_ByteString m_AttrName; | |
21 CFX_WideString m_Value; | |
22 }; | |
23 | |
24 class CXML_AttrMap { | |
25 public: | |
26 const CFX_WideString* Lookup(const CFX_ByteStringC& space, | |
27 const CFX_ByteStringC& name) const; | |
28 void SetAt(const CFX_ByteStringC& space, | |
29 const CFX_ByteStringC& name, | |
30 const CFX_WideStringC& value); | |
31 int GetSize() const; | |
32 CXML_AttrItem& GetAt(int index) const; | |
33 | |
34 std::unique_ptr<std::vector<CXML_AttrItem>> m_pMap; | |
35 }; | |
36 | |
37 class CXML_Content { | |
38 public: | |
39 CXML_Content() : m_bCDATA(FALSE), m_Content() {} | |
40 void Set(FX_BOOL bCDATA, const CFX_WideStringC& content) { | |
41 m_bCDATA = bCDATA; | |
42 m_Content = content; | |
43 } | |
44 | |
45 FX_BOOL m_bCDATA; | |
46 CFX_WideString m_Content; | |
47 }; | |
48 | |
49 class CXML_Element { | |
50 public: | |
51 enum ChildType { Invalid, Element, Content }; | |
52 | |
53 static CXML_Element* Parse(const void* pBuffer, | |
54 size_t size, | |
55 FX_BOOL bSaveSpaceChars = FALSE, | |
56 FX_FILESIZE* pParsedSize = NULL); | |
57 static CXML_Element* Parse(IFX_FileRead* pFile, | |
58 FX_BOOL bSaveSpaceChars = FALSE, | |
59 FX_FILESIZE* pParsedSize = NULL); | |
60 static CXML_Element* Parse(IFX_BufferRead* pBuffer, | |
61 FX_BOOL bSaveSpaceChars = FALSE, | |
62 FX_FILESIZE* pParsedSize = NULL); | |
63 | |
64 CXML_Element(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagName); | |
65 CXML_Element(const CFX_ByteStringC& qTagName); | |
66 CXML_Element(); | |
67 ~CXML_Element(); | |
68 | |
69 void Empty(); | |
70 CFX_ByteString GetTagName(FX_BOOL bQualified = FALSE) const; | |
71 CFX_ByteString GetNamespace(FX_BOOL bQualified = FALSE) const; | |
72 CFX_ByteString GetNamespaceURI(const CFX_ByteStringC& qName) const; | |
73 CXML_Element* GetParent() const { return m_pParent; } | |
74 FX_DWORD CountAttrs() const { return m_AttrMap.GetSize(); } | |
75 void GetAttrByIndex(int index, | |
76 CFX_ByteString& space, | |
77 CFX_ByteString& name, | |
78 CFX_WideString& value) const; | |
79 FX_BOOL HasAttr(const CFX_ByteStringC& qName) const; | |
80 FX_BOOL GetAttrValue(const CFX_ByteStringC& name, | |
81 CFX_WideString& attribute) const; | |
82 CFX_WideString GetAttrValue(const CFX_ByteStringC& name) const { | |
83 CFX_WideString attr; | |
84 GetAttrValue(name, attr); | |
85 return attr; | |
86 } | |
87 | |
88 FX_BOOL GetAttrValue(const CFX_ByteStringC& space, | |
89 const CFX_ByteStringC& name, | |
90 CFX_WideString& attribute) const; | |
91 CFX_WideString GetAttrValue(const CFX_ByteStringC& space, | |
92 const CFX_ByteStringC& name) const { | |
93 CFX_WideString attr; | |
94 GetAttrValue(space, name, attr); | |
95 return attr; | |
96 } | |
97 | |
98 FX_BOOL GetAttrInteger(const CFX_ByteStringC& name, int& attribute) const; | |
99 int GetAttrInteger(const CFX_ByteStringC& name) const { | |
100 int attr = 0; | |
101 GetAttrInteger(name, attr); | |
102 return attr; | |
103 } | |
104 | |
105 FX_BOOL GetAttrInteger(const CFX_ByteStringC& space, | |
106 const CFX_ByteStringC& name, | |
107 int& attribute) const; | |
108 int GetAttrInteger(const CFX_ByteStringC& space, | |
109 const CFX_ByteStringC& name) const { | |
110 int attr = 0; | |
111 GetAttrInteger(space, name, attr); | |
112 return attr; | |
113 } | |
114 | |
115 FX_BOOL GetAttrFloat(const CFX_ByteStringC& name, FX_FLOAT& attribute) const; | |
116 FX_FLOAT GetAttrFloat(const CFX_ByteStringC& name) const { | |
117 FX_FLOAT attr = 0; | |
118 GetAttrFloat(name, attr); | |
119 return attr; | |
120 } | |
121 | |
122 FX_BOOL GetAttrFloat(const CFX_ByteStringC& space, | |
123 const CFX_ByteStringC& name, | |
124 FX_FLOAT& attribute) const; | |
125 FX_FLOAT GetAttrFloat(const CFX_ByteStringC& space, | |
126 const CFX_ByteStringC& name) const { | |
127 FX_FLOAT attr = 0; | |
128 GetAttrFloat(space, name, attr); | |
129 return attr; | |
130 } | |
131 | |
132 FX_DWORD CountChildren() const { return m_Children.size(); } | |
133 ChildType GetChildType(FX_DWORD index) const; | |
134 CFX_WideString GetContent(FX_DWORD index) const; | |
135 CXML_Element* GetElement(FX_DWORD index) const; | |
136 CXML_Element* GetElement(const CFX_ByteStringC& space, | |
137 const CFX_ByteStringC& tag) const { | |
138 return GetElement(space, tag, 0); | |
139 } | |
140 | |
141 FX_DWORD CountElements(const CFX_ByteStringC& space, | |
142 const CFX_ByteStringC& tag) const; | |
143 CXML_Element* GetElement(const CFX_ByteStringC& space, | |
144 const CFX_ByteStringC& tag, | |
145 int index) const; | |
146 | |
147 FX_DWORD FindElement(CXML_Element* pChild) const; | |
148 void SetTag(const CFX_ByteStringC& qSpace, const CFX_ByteStringC& tagname); | |
149 void SetTag(const CFX_ByteStringC& qTagName); | |
150 void RemoveChildren(); | |
151 void RemoveChild(FX_DWORD index); | |
152 | |
153 protected: | |
154 struct ChildRecord { | |
155 ChildType type; | |
156 void* child; // CXML_Element and CXML_Content lack a common ancestor. | |
157 }; | |
158 | |
159 CXML_Element* m_pParent; | |
160 CFX_ByteString m_QSpaceName; | |
161 CFX_ByteString m_TagName; | |
162 CXML_AttrMap m_AttrMap; | |
163 std::vector<ChildRecord> m_Children; | |
164 | |
165 friend class CXML_Parser; | |
166 friend class CXML_Composer; | |
167 }; | |
168 | |
169 #endif // CORE_INCLUDE_FXCRT_FX_XML_H_ | |
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