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
130
131
|
// Copyright 2017 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 XFA_FDE_XML_CFDE_XMLSYNTAXPARSER_H_
#define XFA_FDE_XML_CFDE_XMLSYNTAXPARSER_H_
#include <stack>
#include "core/fxcrt/cfx_blockbuffer.h"
#include "core/fxcrt/cfx_retain_ptr.h"
#include "core/fxcrt/fx_string.h"
#include "xfa/fde/xml/cfde_xmlnode.h"
#include "xfa/fgas/crt/ifgas_stream.h"
enum class FDE_XmlSyntaxResult {
None,
InstructionOpen,
InstructionClose,
ElementOpen,
ElementBreak,
ElementClose,
TargetName,
TagName,
AttriName,
AttriValue,
Text,
CData,
TargetData,
Error,
EndOfString
};
class CFDE_XMLSyntaxParser {
public:
CFDE_XMLSyntaxParser();
~CFDE_XMLSyntaxParser();
void Init(const CFX_RetainPtr<IFGAS_Stream>& pStream, int32_t iXMLPlaneSize);
FDE_XmlSyntaxResult DoSyntaxParse();
int32_t GetStatus() const;
int32_t GetCurrentPos() const {
return m_iParsedChars + (m_pStart - m_pBuffer);
}
FX_FILESIZE GetCurrentBinaryPos() const;
int32_t GetCurrentNodeNumber() const { return m_iCurrentNodeNum; }
int32_t GetLastNodeNumber() const { return m_iLastNodeNum; }
CFX_WideString GetTargetName() const {
return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
}
CFX_WideString GetTagName() const {
return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
}
CFX_WideString GetAttributeName() const {
return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
}
CFX_WideString GetAttributeValue() const {
return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
}
CFX_WideString GetTextData() const {
return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
}
CFX_WideString GetTargetData() const {
return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
}
protected:
enum class FDE_XmlSyntaxState {
Text,
Node,
Target,
Tag,
AttriName,
AttriEqualSign,
AttriQuotation,
AttriValue,
Entity,
EntityDecimal,
EntityHex,
CloseInstruction,
BreakElement,
CloseElement,
SkipDeclNode,
DeclCharData,
SkipComment,
SkipCommentOrDecl,
SkipCData,
TargetData
};
void ParseTextChar(wchar_t ch);
CFX_RetainPtr<IFGAS_Stream> m_pStream;
int32_t m_iXMLPlaneSize;
int32_t m_iCurrentPos;
int32_t m_iCurrentNodeNum;
int32_t m_iLastNodeNum;
int32_t m_iParsedChars;
int32_t m_iParsedBytes;
wchar_t* m_pBuffer;
int32_t m_iBufferChars;
bool m_bEOS;
wchar_t* m_pStart;
wchar_t* m_pEnd;
FDE_XMLNODE m_CurNode;
std::stack<FDE_XMLNODE> m_XMLNodeStack;
CFX_BlockBuffer m_BlockBuffer;
int32_t m_iAllocStep;
int32_t& m_iDataLength;
wchar_t* m_pCurrentBlock;
int32_t m_iIndexInBlock;
int32_t m_iTextDataLength;
FDE_XmlSyntaxResult m_syntaxParserResult;
FDE_XmlSyntaxState m_syntaxParserState;
wchar_t m_wQuotationMark;
int32_t m_iEntityStart;
std::stack<wchar_t> m_SkipStack;
wchar_t m_SkipChar;
};
#endif // XFA_FDE_XML_CFDE_XMLSYNTAXPARSER_H_
|
