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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_H_ | |
| 8 #define XFA_FGAS_XML_FGAS_SAX_H_ | |
| 9 | |
| 10 #include "core/fxcrt/include/fx_basic.h" | |
| 11 | |
| 12 #define FX_SAXPARSEMODE_NotConvert_amp 0x0001 | |
| 13 #define FX_SAXPARSEMODE_NotConvert_lt 0x0002 | |
| 14 #define FX_SAXPARSEMODE_NotConvert_gt 0x0004 | |
| 15 #define FX_SAXPARSEMODE_NotConvert_apos 0x0008 | |
| 16 #define FX_SAXPARSEMODE_NotConvert_quot 0x0010 | |
| 17 #define FX_SAXPARSEMODE_NotConvert_sharp 0x0020 | |
| 18 #define FX_SAXPARSEMODE_NotSkipSpace 0x0100 | |
| 19 | |
| 20 enum FX_SAXNODE { | |
| 21 FX_SAXNODE_Unknown = 0, | |
| 22 FX_SAXNODE_Instruction, | |
| 23 FX_SAXNODE_Declaration, | |
| 24 FX_SAXNODE_Comment, | |
| 25 FX_SAXNODE_Tag, | |
| 26 FX_SAXNODE_Text, | |
| 27 FX_SAXNODE_CharData, | |
| 28 }; | |
| 29 | |
| 30 enum FX_SAXMODE { | |
| 31 FX_SAXMODE_Text = 0, | |
| 32 FX_SAXMODE_NodeStart, | |
| 33 FX_SAXMODE_DeclOrComment, | |
| 34 FX_SAXMODE_DeclNode, | |
| 35 FX_SAXMODE_Comment, | |
| 36 FX_SAXMODE_CommentContent, | |
| 37 FX_SAXMODE_TagName, | |
| 38 FX_SAXMODE_TagAttributeName, | |
| 39 FX_SAXMODE_TagAttributeEqual, | |
| 40 FX_SAXMODE_TagAttributeValue, | |
| 41 FX_SAXMODE_TagMaybeClose, | |
| 42 FX_SAXMODE_TagClose, | |
| 43 FX_SAXMODE_TagEnd, | |
| 44 FX_SAXMODE_TargetData, | |
| 45 FX_SAXMODE_MAX, | |
| 46 }; | |
| 47 | |
| 48 class CXFA_SAXReaderHandler; | |
| 49 | |
| 50 class CFX_SAXFile { | |
| 51 public: | |
| 52 CFX_SAXFile(); | |
| 53 FX_BOOL StartFile(IFX_FileRead* pFile, uint32_t dwStart, uint32_t dwLen); | |
| 54 FX_BOOL ReadNextBlock(); | |
| 55 void Reset(); | |
| 56 IFX_FileRead* m_pFile; | |
| 57 uint32_t m_dwStart; | |
| 58 uint32_t m_dwEnd; | |
| 59 uint32_t m_dwCur; | |
| 60 uint8_t* m_pBuf; | |
| 61 uint32_t m_dwBufSize; | |
| 62 uint32_t m_dwBufIndex; | |
| 63 }; | |
| 64 | |
| 65 class CFX_SAXItem { | |
| 66 public: | |
| 67 CFX_SAXItem() | |
| 68 : m_pNode(NULL), | |
| 69 m_eNode(FX_SAXNODE_Unknown), | |
| 70 m_dwID(0), | |
| 71 m_bSkip(FALSE), | |
| 72 m_pPrev(NULL), | |
| 73 m_pNext(NULL) {} | |
| 74 void* m_pNode; | |
| 75 FX_SAXNODE m_eNode; | |
| 76 uint32_t m_dwID; | |
| 77 FX_BOOL m_bSkip; | |
| 78 CFX_SAXItem* m_pPrev; | |
| 79 CFX_SAXItem* m_pNext; | |
| 80 }; | |
| 81 | |
| 82 class CFX_SAXCommentContext { | |
| 83 public: | |
| 84 CFX_SAXCommentContext() : m_iHeaderCount(0), m_iTailCount(0) {} | |
| 85 int32_t m_iHeaderCount; | |
| 86 int32_t m_iTailCount; | |
| 87 }; | |
| 88 | |
| 89 class CFX_SAXReader { | |
| 90 public: | |
| 91 CFX_SAXReader(); | |
| 92 ~CFX_SAXReader(); | |
| 93 | |
| 94 int32_t StartParse(IFX_FileRead* pFile, | |
| 95 uint32_t dwStart = 0, | |
| 96 uint32_t dwLen = -1, | |
| 97 uint32_t dwParseMode = 0); | |
| 98 int32_t ContinueParse(IFX_Pause* pPause = NULL); | |
| 99 void SkipCurrentNode(); | |
| 100 void SetHandler(CXFA_SAXReaderHandler* pHandler); | |
| 101 void AppendData(uint8_t ch); | |
| 102 void AppendName(uint8_t ch); | |
| 103 void ParseText(); | |
| 104 void ParseNodeStart(); | |
| 105 void ParseInstruction(); | |
| 106 void ParseDeclOrComment(); | |
| 107 void ParseDeclNode(); | |
| 108 void ParseComment(); | |
| 109 void ParseCommentContent(); | |
| 110 void ParseTagName(); | |
| 111 void ParseTagAttributeName(); | |
| 112 void ParseTagAttributeEqual(); | |
| 113 void ParseTagAttributeValue(); | |
| 114 void ParseMaybeClose(); | |
| 115 void ParseTagClose(); | |
| 116 void ParseTagEnd(); | |
| 117 void ParseTargetData(); | |
| 118 | |
| 119 protected: | |
| 120 void Reset(); | |
| 121 void Push(); | |
| 122 void Pop(); | |
| 123 FX_BOOL SkipSpace(uint8_t ch); | |
| 124 void SkipNode(); | |
| 125 void NotifyData(); | |
| 126 void NotifyEnter(); | |
| 127 void NotifyAttribute(); | |
| 128 void NotifyBreak(); | |
| 129 void NotifyClose(); | |
| 130 void NotifyEnd(); | |
| 131 void NotifyTargetData(); | |
| 132 void ReallocDataBuffer(); | |
| 133 void ReallocNameBuffer(); | |
| 134 void ParseChar(uint8_t ch); | |
| 135 | |
| 136 CFX_SAXFile m_File; | |
| 137 CXFA_SAXReaderHandler* m_pHandler; | |
| 138 int32_t m_iState; | |
| 139 CFX_SAXItem* m_pRoot; | |
| 140 CFX_SAXItem* m_pCurItem; | |
| 141 uint32_t m_dwItemID; | |
| 142 FX_SAXMODE m_eMode; | |
| 143 FX_SAXMODE m_ePrevMode; | |
| 144 FX_BOOL m_bCharData; | |
| 145 uint8_t m_CurByte; | |
| 146 uint32_t m_dwDataOffset; | |
| 147 CFX_ByteArray m_SkipStack; | |
| 148 uint8_t m_SkipChar; | |
| 149 uint32_t m_dwNodePos; | |
| 150 uint8_t* m_pszData; | |
| 151 int32_t m_iDataSize; | |
| 152 int32_t m_iDataLength; | |
| 153 int32_t m_iEntityStart; | |
| 154 int32_t m_iDataPos; | |
| 155 uint8_t* m_pszName; | |
| 156 int32_t m_iNameSize; | |
| 157 int32_t m_iNameLength; | |
| 158 uint32_t m_dwParseMode; | |
| 159 CFX_SAXCommentContext* m_pCommentContext; | |
| 160 }; | |
| 161 | |
| 162 #endif // XFA_FGAS_XML_FGAS_SAX_H_ | |
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Chromium Code Reviews
Issue 1990003002:
Move fgas_sax into individual files in fde. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master