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-rw-r--r--core/include/fpdfapi/fpdf_parser.h86
1 files changed, 4 insertions, 82 deletions
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h
index 53f9c5a316..1b09aa0148 100644
--- a/core/include/fpdfapi/fpdf_parser.h
+++ b/core/include/fpdfapi/fpdf_parser.h
@@ -28,6 +28,7 @@ class CPDF_Object;
class CPDF_Parser;
class CPDF_Pattern;
class CPDF_StandardSecurityHandler;
+class CPDF_SyntaxParser;
class IPDF_SecurityHandler;
#define FPDFPERM_PRINT 0x0004
@@ -231,81 +232,6 @@ class CPDF_SimpleParser {
FX_DWORD m_dwCurPos;
};
-class CPDF_SyntaxParser {
- public:
- CPDF_SyntaxParser();
- ~CPDF_SyntaxParser();
-
- void InitParser(IFX_FileRead* pFileAccess, FX_DWORD HeaderOffset);
-
- FX_FILESIZE SavePos() const { return m_Pos; }
- void RestorePos(FX_FILESIZE pos) { m_Pos = pos; }
-
- CPDF_Object* GetObject(CPDF_IndirectObjectHolder* pObjList,
- FX_DWORD objnum,
- FX_DWORD gennum,
- FX_BOOL bDecrypt);
- CPDF_Object* GetObjectByStrict(CPDF_IndirectObjectHolder* pObjList,
- FX_DWORD objnum,
- FX_DWORD gennum);
- CFX_ByteString GetKeyword();
-
- void ToNextLine();
- void ToNextWord();
-
- FX_BOOL SearchWord(const CFX_ByteStringC& word,
- FX_BOOL bWholeWord,
- FX_BOOL bForward,
- FX_FILESIZE limit);
- int SearchMultiWord(const CFX_ByteStringC& words,
- FX_BOOL bWholeWord,
- FX_FILESIZE limit);
- FX_FILESIZE FindTag(const CFX_ByteStringC& tag, FX_FILESIZE limit);
-
- void SetEncrypt(std::unique_ptr<CPDF_CryptoHandler> pCryptoHandler);
-
- FX_BOOL ReadBlock(uint8_t* pBuf, FX_DWORD size);
- FX_BOOL GetCharAt(FX_FILESIZE pos, uint8_t& ch);
- CFX_ByteString GetNextWord(bool* bIsNumber);
-
- private:
- friend class CPDF_Parser;
- friend class CPDF_DataAvail;
- friend class fpdf_parser_parser_ReadHexString_Test;
-
- static const int kParserMaxRecursionDepth = 64;
- static int s_CurrentRecursionDepth;
-
- uint32_t GetDirectNum();
-
- FX_BOOL GetNextChar(uint8_t& ch);
- FX_BOOL GetCharAtBackward(FX_FILESIZE pos, uint8_t& ch);
- void GetNextWordInternal(bool* bIsNumber);
- bool IsWholeWord(FX_FILESIZE startpos,
- FX_FILESIZE limit,
- const CFX_ByteStringC& tag,
- FX_BOOL checkKeyword);
-
- CFX_ByteString ReadString();
- CFX_ByteString ReadHexString();
- unsigned int ReadEOLMarkers(FX_FILESIZE pos);
- CPDF_Stream* ReadStream(CPDF_Dictionary* pDict,
- FX_DWORD objnum,
- FX_DWORD gennum);
-
- FX_FILESIZE m_Pos;
- int m_MetadataObjnum;
- IFX_FileRead* m_pFileAccess;
- FX_DWORD m_HeaderOffset;
- FX_FILESIZE m_FileLen;
- uint8_t* m_pFileBuf;
- FX_DWORD m_BufSize;
- FX_FILESIZE m_BufOffset;
- std::unique_ptr<CPDF_CryptoHandler> m_pCryptoHandler;
- uint8_t m_WordBuffer[257];
- FX_DWORD m_WordSize;
-};
-
class CPDF_Parser {
public:
enum Error {
@@ -324,11 +250,6 @@ class CPDF_Parser {
void SetPassword(const FX_CHAR* password) { m_Password = password; }
CFX_ByteString GetPassword() { return m_Password; }
-
- CPDF_CryptoHandler* GetCryptoHandler() {
- return m_Syntax.m_pCryptoHandler.get();
- }
-
CPDF_Dictionary* GetTrailer() const { return m_pTrailer; }
FX_FILESIZE GetLastXRefOffset() const { return m_LastXRefOffset; }
CPDF_Document* GetDocument() const { return m_pDocument; }
@@ -350,12 +271,13 @@ class CPDF_Parser {
bool IsVersionUpdated() const { return m_bVersionUpdated; }
bool IsObjectFreeOrNull(FX_DWORD objnum) const;
FX_BOOL IsFormStream(FX_DWORD objnum, FX_BOOL& bForm);
+ CPDF_CryptoHandler* GetCryptoHandler();
+ IFX_FileRead* GetFileAccess() const;
FX_FILESIZE GetObjectOffset(FX_DWORD objnum) const;
FX_FILESIZE GetObjectSize(FX_DWORD objnum) const;
void GetIndirectBinary(FX_DWORD objnum, uint8_t*& pBuffer, FX_DWORD& size);
- IFX_FileRead* GetFileAccess() const { return m_Syntax.m_pFileAccess; }
int GetFileVersion() const { return m_FileVersion; }
FX_BOOL IsXRefStream() const { return m_bXRefStream; }
@@ -402,7 +324,7 @@ class CPDF_Parser {
void ShrinkObjectMap(FX_DWORD size);
CPDF_Document* m_pDocument;
- CPDF_SyntaxParser m_Syntax;
+ std::unique_ptr<CPDF_SyntaxParser> m_pSyntax;
bool m_bOwnFileRead;
int m_FileVersion;
CPDF_Dictionary* m_pTrailer;