xfa/fgas/xml/fgas_sax_imp.h - Issue 1930533002: More IFX_ interface cleanup.

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Issue 1930533002: More IFX_ interface cleanup. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Created 4 years, 7 months ago

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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 XFA_FGAS_XML_FGAS_SAX_IMP_H_

8 #define XFA_FGAS_XML_FGAS_SAX_IMP_H_

9

10 #include "xfa/fgas/xml/fgas_sax.h"

11

12 class CFX_SAXFile {

13 public:

14 CFX_SAXFile();

15 FX_BOOL StartFile(IFX_FileRead* pFile, uint32_t dwStart, uint32_t dwLen);

16 FX_BOOL ReadNextBlock();

17 void Reset();

18 IFX_FileRead* m_pFile;

19 uint32_t m_dwStart;

20 uint32_t m_dwEnd;

21 uint32_t m_dwCur;

22 uint8_t* m_pBuf;

23 uint32_t m_dwBufSize;

24 uint32_t m_dwBufIndex;

25 };

26

27 enum FX_SAXMODE {

28 FX_SAXMODE_Text = 0,

29 FX_SAXMODE_NodeStart,

30 FX_SAXMODE_DeclOrComment,

31 FX_SAXMODE_DeclNode,

32 FX_SAXMODE_Comment,

33 FX_SAXMODE_CommentContent,

34 FX_SAXMODE_TagName,

35 FX_SAXMODE_TagAttributeName,

36 FX_SAXMODE_TagAttributeEqual,

37 FX_SAXMODE_TagAttributeValue,

38 FX_SAXMODE_TagMaybeClose,

39 FX_SAXMODE_TagClose,

40 FX_SAXMODE_TagEnd,

41 FX_SAXMODE_TargetData,

42 FX_SAXMODE_MAX,

43 };

44

45 class CFX_SAXItem {

46 public:

47 CFX_SAXItem()

48 : m_pNode(NULL),

49 m_eNode(FX_SAXNODE_Unknown),

50 m_dwID(0),

51 m_bSkip(FALSE),

52 m_pPrev(NULL),

53 m_pNext(NULL) {}

54 void* m_pNode;

55 FX_SAXNODE m_eNode;

56 uint32_t m_dwID;

57 FX_BOOL m_bSkip;

58 CFX_SAXItem* m_pPrev;

59 CFX_SAXItem* m_pNext;

60 };

61

62 class CFX_SAXCommentContext {

63 public:

64 CFX_SAXCommentContext() : m_iHeaderCount(0), m_iTailCount(0) {}

65 int32_t m_iHeaderCount;

66 int32_t m_iTailCount;

67 };

68

69 class CFX_SAXReader : public IFX_SAXReader {

70 public:

71 CFX_SAXReader();

72 ~CFX_SAXReader();

73 virtual void Release() { delete this; }

74 virtual int32_t StartParse(IFX_FileRead* pFile,

75 uint32_t dwStart = 0,

76 uint32_t dwLen = -1,

77 uint32_t dwParseMode = 0);

78 virtual int32_t ContinueParse(IFX_Pause* pPause = NULL);

79 virtual void SkipCurrentNode();

80 virtual void SetHandler(IFX_SAXReaderHandler* pHandler);

81 void AppendData(uint8_t ch);

82 void AppendName(uint8_t ch);

83 void ParseText();

84 void ParseNodeStart();

85 void ParseInstruction();

86 void ParseDeclOrComment();

87 void ParseDeclNode();

88 void ParseComment();

89 void ParseCommentContent();

90 void ParseTagName();

91 void ParseTagAttributeName();

92 void ParseTagAttributeEqual();

93 void ParseTagAttributeValue();

94 void ParseMaybeClose();

95 void ParseTagClose();

96 void ParseTagEnd();

97 void ParseTargetData();

98

99 protected:

100 CFX_SAXFile m_File;

101 IFX_SAXReaderHandler* m_pHandler;

102 int32_t m_iState;

103 CFX_SAXItem* m_pRoot;

104 CFX_SAXItem* m_pCurItem;

105 uint32_t m_dwItemID;

106 FX_SAXMODE m_eMode;

107 FX_SAXMODE m_ePrevMode;

108 FX_BOOL m_bCharData;

109 uint8_t m_CurByte;

110 uint32_t m_dwDataOffset;

111 CFX_ByteArray m_SkipStack;

112 uint8_t m_SkipChar;

113 uint32_t m_dwNodePos;

114 uint8_t* m_pszData;

115 int32_t m_iDataSize;

116 int32_t m_iDataLength;

117 int32_t m_iEntityStart;

118 int32_t m_iDataPos;

119 uint8_t* m_pszName;

120 int32_t m_iNameSize;

121 int32_t m_iNameLength;

122 uint32_t m_dwParseMode;

123 CFX_SAXCommentContext* m_pCommentContext;

124 void Reset();

125 void Push();

126 void Pop();

127 FX_BOOL SkipSpace(uint8_t ch);

128 void SkipNode();

129 void NotifyData();

130 void NotifyEnter();

131 void NotifyAttribute();

132 void NotifyBreak();

133 void NotifyClose();

134 void NotifyEnd();

135 void NotifyTargetData();

136 void ReallocDataBuffer();

137 void ReallocNameBuffer();

138 void ParseChar(uint8_t ch);

139 };

140

141 #endif // XFA_FGAS_XML_FGAS_SAX_IMP_H_

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