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
|
// 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_CSS_CFDE_CSSSYNTAXPARSER_H_
#define XFA_FDE_CSS_CFDE_CSSSYNTAXPARSER_H_
#include <stack>
#include "core/fxcrt/fx_string.h"
#include "xfa/fde/css/cfde_cssexttextbuf.h"
#include "xfa/fde/css/cfde_csstextbuf.h"
#define FDE_CSSSYNTAXCHECK_AllowCharset 1
#define FDE_CSSSYNTAXCHECK_AllowImport 2
enum class FDE_CSSSyntaxMode {
RuleSet,
Comment,
UnknownRule,
Selector,
PropertyName,
PropertyValue,
};
enum class FDE_CSSSyntaxStatus : uint8_t {
Error,
EOS,
None,
StyleRule,
Selector,
DeclOpen,
DeclClose,
PropertyName,
PropertyValue,
};
class CFDE_CSSSyntaxParser {
public:
CFDE_CSSSyntaxParser(const wchar_t* pBuffer, int32_t iBufferSize);
CFDE_CSSSyntaxParser(const wchar_t* pBuffer,
int32_t iBufferSize,
int32_t iTextDatSize,
bool bOnlyDeclaration);
~CFDE_CSSSyntaxParser();
FDE_CSSSyntaxStatus DoSyntaxParse();
CFX_WideStringC GetCurrentString() const;
protected:
void SwitchMode(FDE_CSSSyntaxMode eMode);
int32_t SwitchToComment();
bool RestoreMode();
bool AppendChar(wchar_t wch);
int32_t SaveTextData();
bool IsCharsetEnabled() const {
return (m_dwCheck & FDE_CSSSYNTAXCHECK_AllowCharset) != 0;
}
void DisableCharset() { m_dwCheck = FDE_CSSSYNTAXCHECK_AllowImport; }
bool IsImportEnabled() const;
void DisableImport() { m_dwCheck = 0; }
CFDE_CSSTextBuf m_TextData;
CFDE_CSSExtTextBuf m_TextPlane;
int32_t m_iTextDataLen;
uint32_t m_dwCheck;
FDE_CSSSyntaxMode m_eMode;
FDE_CSSSyntaxStatus m_eStatus;
std::stack<FDE_CSSSyntaxMode> m_ModeStack;
};
#endif // XFA_FDE_CSS_CFDE_CSSSYNTAXPARSER_H_
|
