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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_SYNTAX_PARSER_H_ | 7 #ifndef CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_SYNTAX_PARSER_H_ |
8 #define CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_SYNTAX_PARSER_H_ | 8 #define CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_SYNTAX_PARSER_H_ |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
11 | 11 |
12 #include "core/include/fxcrt/fx_basic.h" | 12 #include "core/include/fxcrt/fx_basic.h" |
13 | 13 |
14 class CPDF_CryptoHandler; | 14 class CPDF_Dictionary; |
15 class CPDF_IndirectObjectHolder; | 15 class CPDF_IndirectObjectHolder; |
16 class CPDF_Object; | 16 class CPDF_Object; |
17 class CPDF_Dictionary; | |
18 class CPDF_Stream; | 17 class CPDF_Stream; |
19 class IFX_FileRead; | 18 class IFX_FileRead; |
| 19 class IPDF_CryptoHandler; |
20 | 20 |
21 class CPDF_SyntaxParser { | 21 class CPDF_SyntaxParser { |
22 public: | 22 public: |
23 CPDF_SyntaxParser(); | 23 CPDF_SyntaxParser(); |
24 ~CPDF_SyntaxParser(); | 24 ~CPDF_SyntaxParser(); |
25 | 25 |
26 void InitParser(IFX_FileRead* pFileAccess, FX_DWORD HeaderOffset); | 26 void InitParser(IFX_FileRead* pFileAccess, FX_DWORD HeaderOffset); |
27 | 27 |
28 FX_FILESIZE SavePos() const { return m_Pos; } | 28 FX_FILESIZE SavePos() const { return m_Pos; } |
29 void RestorePos(FX_FILESIZE pos) { m_Pos = pos; } | 29 void RestorePos(FX_FILESIZE pos) { m_Pos = pos; } |
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42 | 42 |
43 FX_BOOL SearchWord(const CFX_ByteStringC& word, | 43 FX_BOOL SearchWord(const CFX_ByteStringC& word, |
44 FX_BOOL bWholeWord, | 44 FX_BOOL bWholeWord, |
45 FX_BOOL bForward, | 45 FX_BOOL bForward, |
46 FX_FILESIZE limit); | 46 FX_FILESIZE limit); |
47 int SearchMultiWord(const CFX_ByteStringC& words, | 47 int SearchMultiWord(const CFX_ByteStringC& words, |
48 FX_BOOL bWholeWord, | 48 FX_BOOL bWholeWord, |
49 FX_FILESIZE limit); | 49 FX_FILESIZE limit); |
50 FX_FILESIZE FindTag(const CFX_ByteStringC& tag, FX_FILESIZE limit); | 50 FX_FILESIZE FindTag(const CFX_ByteStringC& tag, FX_FILESIZE limit); |
51 | 51 |
52 void SetEncrypt(std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler); | 52 void SetEncrypt(std::unique_ptr<IPDF_CryptoHandler> pCryptoHandler); |
53 | 53 |
54 FX_BOOL ReadBlock(uint8_t* pBuf, FX_DWORD size); | 54 FX_BOOL ReadBlock(uint8_t* pBuf, FX_DWORD size); |
55 FX_BOOL GetCharAt(FX_FILESIZE pos, uint8_t& ch); | 55 FX_BOOL GetCharAt(FX_FILESIZE pos, uint8_t& ch); |
56 CFX_ByteString GetNextWord(bool* bIsNumber); | 56 CFX_ByteString GetNextWord(bool* bIsNumber); |
57 | 57 |
58 private: | 58 private: |
59 friend class CPDF_Parser; | 59 friend class CPDF_Parser; |
60 friend class CPDF_DataAvail; | 60 friend class CPDF_DataAvail; |
61 friend class fpdf_parser_parser_ReadHexString_Test; | 61 friend class fpdf_parser_parser_ReadHexString_Test; |
62 | 62 |
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81 FX_DWORD gennum); | 81 FX_DWORD gennum); |
82 | 82 |
83 FX_FILESIZE m_Pos; | 83 FX_FILESIZE m_Pos; |
84 int m_MetadataObjnum; | 84 int m_MetadataObjnum; |
85 IFX_FileRead* m_pFileAccess; | 85 IFX_FileRead* m_pFileAccess; |
86 FX_DWORD m_HeaderOffset; | 86 FX_DWORD m_HeaderOffset; |
87 FX_FILESIZE m_FileLen; | 87 FX_FILESIZE m_FileLen; |
88 uint8_t* m_pFileBuf; | 88 uint8_t* m_pFileBuf; |
89 FX_DWORD m_BufSize; | 89 FX_DWORD m_BufSize; |
90 FX_FILESIZE m_BufOffset; | 90 FX_FILESIZE m_BufOffset; |
91 std::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler; | 91 std::unique_ptr<IPDF_CryptoHandler> m_pCryptoHandler; |
92 uint8_t m_WordBuffer[257]; | 92 uint8_t m_WordBuffer[257]; |
93 FX_DWORD m_WordSize; | 93 FX_DWORD m_WordSize; |
94 }; | 94 }; |
95 | 95 |
96 #endif // CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_SYNTAX_PARSER_H_ | 96 #endif // CORE_SRC_FPDFAPI_FPDF_PARSER_CPDF_SYNTAX_PARSER_H_ |
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