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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 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_INCLUDE_FPDFAPI_FPDF_PARSER_H_ | 7 #ifndef CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_ |
| 8 #define CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_ | 8 #define CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_ |
| 9 | 9 |
| 10 #include <map> | 10 #include <map> |
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| 57 return PDF_CharType[c] == 'R'; | 57 return PDF_CharType[c] == 'R'; |
| 58 } | 58 } |
| 59 | 59 |
| 60 inline bool PDFCharIsLineEnding(uint8_t c) { | 60 inline bool PDFCharIsLineEnding(uint8_t c) { |
| 61 return c == '\r' || c == '\n'; | 61 return c == '\r' || c == '\n'; |
| 62 } | 62 } |
| 63 | 63 |
| 64 // Indexed by 8-bit char code, contains unicode code points. | 64 // Indexed by 8-bit char code, contains unicode code points. |
| 65 extern const FX_WORD PDFDocEncoding[256]; | 65 extern const FX_WORD PDFDocEncoding[256]; |
| 66 | 66 |
| 67 class CPDF_Document : public CFX_PrivateData, public CPDF_IndirectObjects { | 67 class CPDF_Document : public CFX_PrivateData, public CPDF_IndirectObjectHolder { |
| 68 public: | 68 public: |
| 69 CPDF_Document(); | 69 CPDF_Document(); |
| 70 explicit CPDF_Document(CPDF_Parser* pParser); | 70 explicit CPDF_Document(CPDF_Parser* pParser); |
| 71 | 71 |
| 72 ~CPDF_Document(); | 72 ~CPDF_Document(); |
| 73 | 73 |
| 74 CPDF_Parser* GetParser() const { return m_pParser; } | 74 CPDF_Parser* GetParser() const { return m_pParser; } |
| 75 | 75 |
| 76 CPDF_Dictionary* GetRoot() const { return m_pRootDict; } | 76 CPDF_Dictionary* GetRoot() const { return m_pRootDict; } |
| 77 | 77 |
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| 236 public: | 236 public: |
| 237 CPDF_SyntaxParser(); | 237 CPDF_SyntaxParser(); |
| 238 virtual ~CPDF_SyntaxParser(); | 238 virtual ~CPDF_SyntaxParser(); |
| 239 | 239 |
| 240 void InitParser(IFX_FileRead* pFileAccess, FX_DWORD HeaderOffset); | 240 void InitParser(IFX_FileRead* pFileAccess, FX_DWORD HeaderOffset); |
| 241 | 241 |
| 242 FX_FILESIZE SavePos() { return m_Pos; } | 242 FX_FILESIZE SavePos() { return m_Pos; } |
| 243 | 243 |
| 244 void RestorePos(FX_FILESIZE pos) { m_Pos = pos; } | 244 void RestorePos(FX_FILESIZE pos) { m_Pos = pos; } |
| 245 | 245 |
| 246 CPDF_Object* GetObject(CPDF_IndirectObjects* pObjList, | 246 CPDF_Object* GetObject(CPDF_IndirectObjectHolder* pObjList, |
| 247 FX_DWORD objnum, | 247 FX_DWORD objnum, |
| 248 FX_DWORD gennum, | 248 FX_DWORD gennum, |
| 249 PARSE_CONTEXT* pContext, | 249 PARSE_CONTEXT* pContext, |
| 250 FX_BOOL bDecrypt); | 250 FX_BOOL bDecrypt); |
| 251 | 251 |
| 252 CPDF_Object* GetObjectByStrict(CPDF_IndirectObjects* pObjList, | 252 CPDF_Object* GetObjectByStrict(CPDF_IndirectObjectHolder* pObjList, |
| 253 FX_DWORD objnum, | 253 FX_DWORD objnum, |
| 254 FX_DWORD gennum, | 254 FX_DWORD gennum, |
| 255 PARSE_CONTEXT* pContext); | 255 PARSE_CONTEXT* pContext); |
| 256 | 256 |
| 257 int GetDirectNum(); | 257 int GetDirectNum(); |
| 258 | 258 |
| 259 CFX_ByteString GetString(FX_DWORD objnum, FX_DWORD gennum); | 259 CFX_ByteString GetString(FX_DWORD objnum, FX_DWORD gennum); |
| 260 | 260 |
| 261 CFX_ByteString GetName(); | 261 CFX_ByteString GetName(); |
| 262 | 262 |
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| 396 FX_FILESIZE GetLastXRefOffset() { return m_LastXRefOffset; } | 396 FX_FILESIZE GetLastXRefOffset() { return m_LastXRefOffset; } |
| 397 | 397 |
| 398 CPDF_Document* GetDocument() { return m_pDocument; } | 398 CPDF_Document* GetDocument() { return m_pDocument; } |
| 399 | 399 |
| 400 FX_DWORD GetRootObjNum(); | 400 FX_DWORD GetRootObjNum(); |
| 401 FX_DWORD GetInfoObjNum(); | 401 FX_DWORD GetInfoObjNum(); |
| 402 CPDF_Array* GetIDArray(); | 402 CPDF_Array* GetIDArray(); |
| 403 | 403 |
| 404 CPDF_Dictionary* GetEncryptDict() { return m_pEncryptDict; } | 404 CPDF_Dictionary* GetEncryptDict() { return m_pEncryptDict; } |
| 405 | 405 |
| 406 CPDF_Object* ParseIndirectObject(CPDF_IndirectObjects* pObjList, | 406 CPDF_Object* ParseIndirectObject(CPDF_IndirectObjectHolder* pObjList, |
| 407 FX_DWORD objnum, | 407 FX_DWORD objnum, |
| 408 PARSE_CONTEXT* pContext = NULL); | 408 PARSE_CONTEXT* pContext = NULL); |
| 409 FX_DWORD GetLastObjNum() const; | 409 FX_DWORD GetLastObjNum() const; |
| 410 bool IsValidObjectNumber(FX_DWORD objnum) const; | 410 bool IsValidObjectNumber(FX_DWORD objnum) const; |
| 411 FX_BOOL IsFormStream(FX_DWORD objnum, FX_BOOL& bForm); | 411 FX_BOOL IsFormStream(FX_DWORD objnum, FX_BOOL& bForm); |
| 412 | 412 |
| 413 FX_FILESIZE GetObjectOffset(FX_DWORD objnum) const; | 413 FX_FILESIZE GetObjectOffset(FX_DWORD objnum) const; |
| 414 | 414 |
| 415 FX_FILESIZE GetObjectSize(FX_DWORD objnum) const; | 415 FX_FILESIZE GetObjectSize(FX_DWORD objnum) const; |
| 416 | 416 |
| 417 void GetIndirectBinary(FX_DWORD objnum, uint8_t*& pBuffer, FX_DWORD& size); | 417 void GetIndirectBinary(FX_DWORD objnum, uint8_t*& pBuffer, FX_DWORD& size); |
| 418 | 418 |
| 419 IFX_FileRead* GetFileAccess() const { return m_Syntax.m_pFileAccess; } | 419 IFX_FileRead* GetFileAccess() const { return m_Syntax.m_pFileAccess; } |
| 420 | 420 |
| 421 int GetFileVersion() const { return m_FileVersion; } | 421 int GetFileVersion() const { return m_FileVersion; } |
| 422 | 422 |
| 423 FX_BOOL IsXRefStream() const { return m_bXRefStream; } | 423 FX_BOOL IsXRefStream() const { return m_bXRefStream; } |
| 424 CPDF_Object* ParseIndirectObjectAt(CPDF_IndirectObjects* pObjList, | 424 CPDF_Object* ParseIndirectObjectAt(CPDF_IndirectObjectHolder* pObjList, |
| 425 FX_FILESIZE pos, | 425 FX_FILESIZE pos, |
| 426 FX_DWORD objnum, | 426 FX_DWORD objnum, |
| 427 PARSE_CONTEXT* pContext); | 427 PARSE_CONTEXT* pContext); |
| 428 | 428 |
| 429 CPDF_Object* ParseIndirectObjectAtByStrict(CPDF_IndirectObjects* pObjList, | 429 CPDF_Object* ParseIndirectObjectAtByStrict( |
| 430 FX_FILESIZE pos, | 430 CPDF_IndirectObjectHolder* pObjList, |
| 431 FX_DWORD objnum, | 431 FX_FILESIZE pos, |
| 432 PARSE_CONTEXT* pContext, | 432 FX_DWORD objnum, |
| 433 FX_FILESIZE* pResultPos); | 433 PARSE_CONTEXT* pContext, |
| 434 FX_FILESIZE* pResultPos); |
| 434 | 435 |
| 435 FX_DWORD StartAsynParse(IFX_FileRead* pFile, | 436 FX_DWORD StartAsynParse(IFX_FileRead* pFile, |
| 436 FX_BOOL bReParse = FALSE, | 437 FX_BOOL bReParse = FALSE, |
| 437 FX_BOOL bOwnFileRead = TRUE); | 438 FX_BOOL bOwnFileRead = TRUE); |
| 438 | 439 |
| 439 FX_DWORD GetFirstPageNo() { return m_dwFirstPageNo; } | 440 FX_DWORD GetFirstPageNo() { return m_dwFirstPageNo; } |
| 440 | 441 |
| 441 protected: | 442 protected: |
| 442 CPDF_Object* ParseDirect(CPDF_Object* pObj); | 443 CPDF_Object* ParseDirect(CPDF_Object* pObj); |
| 443 | 444 |
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| 788 pCharMap); | 789 pCharMap); |
| 789 } | 790 } |
| 790 CFX_ByteString PDF_EncodeText(const FX_WCHAR* pString, | 791 CFX_ByteString PDF_EncodeText(const FX_WCHAR* pString, |
| 791 int len = -1, | 792 int len = -1, |
| 792 CFX_CharMap* pCharMap = NULL); | 793 CFX_CharMap* pCharMap = NULL); |
| 793 inline CFX_ByteString PDF_EncodeText(const CFX_WideString& str, | 794 inline CFX_ByteString PDF_EncodeText(const CFX_WideString& str, |
| 794 CFX_CharMap* pCharMap = NULL) { | 795 CFX_CharMap* pCharMap = NULL) { |
| 795 return PDF_EncodeText(str.c_str(), str.GetLength(), pCharMap); | 796 return PDF_EncodeText(str.c_str(), str.GetLength(), pCharMap); |
| 796 } | 797 } |
| 797 FX_FLOAT PDF_ClipFloat(FX_FLOAT f); | 798 FX_FLOAT PDF_ClipFloat(FX_FLOAT f); |
| 798 class CFDF_Document : public CPDF_IndirectObjects { | 799 class CFDF_Document : public CPDF_IndirectObjectHolder { |
| 799 public: | 800 public: |
| 800 static CFDF_Document* CreateNewDoc(); | 801 static CFDF_Document* CreateNewDoc(); |
| 801 static CFDF_Document* ParseFile(IFX_FileRead* pFile, | 802 static CFDF_Document* ParseFile(IFX_FileRead* pFile, |
| 802 FX_BOOL bOwnFile = FALSE); | 803 FX_BOOL bOwnFile = FALSE); |
| 803 static CFDF_Document* ParseMemory(const uint8_t* pData, FX_DWORD size); | 804 static CFDF_Document* ParseMemory(const uint8_t* pData, FX_DWORD size); |
| 804 | 805 |
| 805 ~CFDF_Document(); | 806 ~CFDF_Document(); |
| 806 | 807 |
| 807 FX_BOOL WriteBuf(CFX_ByteTextBuf& buf) const; | 808 FX_BOOL WriteBuf(CFX_ByteTextBuf& buf) const; |
| 808 | 809 |
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| 979 FX_DWORD src_size, | 980 FX_DWORD src_size, |
| 980 const CPDF_Dictionary* pDict, | 981 const CPDF_Dictionary* pDict, |
| 981 uint8_t*& dest_buf, | 982 uint8_t*& dest_buf, |
| 982 FX_DWORD& dest_size, | 983 FX_DWORD& dest_size, |
| 983 CFX_ByteString& ImageEncoding, | 984 CFX_ByteString& ImageEncoding, |
| 984 CPDF_Dictionary*& pImageParms, | 985 CPDF_Dictionary*& pImageParms, |
| 985 FX_DWORD estimated_size, | 986 FX_DWORD estimated_size, |
| 986 FX_BOOL bImageAcc); | 987 FX_BOOL bImageAcc); |
| 987 | 988 |
| 988 #endif // CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_ | 989 #endif // CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_ |
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