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-rw-r--r--core/include/fpdfapi/fpdf_parser.h97
1 files changed, 25 insertions, 72 deletions
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h
index f0b50f8638..294c0c5f4a 100644
--- a/core/include/fpdfapi/fpdf_parser.h
+++ b/core/include/fpdfapi/fpdf_parser.h
@@ -328,52 +328,40 @@ class CPDF_SyntaxParser {
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;
};
-#define PDFPARSE_ERROR_SUCCESS 0
-#define PDFPARSE_ERROR_FILE 1
-#define PDFPARSE_ERROR_FORMAT 2
-#define PDFPARSE_ERROR_PASSWORD 3
-#define PDFPARSE_ERROR_HANDLER 4
-#define PDFPARSE_ERROR_CERT 5
-
class CPDF_Parser {
public:
+ enum Error {
+ SUCCESS = 0,
+ FILE_ERROR,
+ FORMAT_ERROR,
+ PASSWORD_ERROR,
+ HANDLER_ERROR
+ };
+
CPDF_Parser();
~CPDF_Parser();
- FX_DWORD StartParse(IFX_FileRead* pFile,
- FX_BOOL bReParse = FALSE,
- FX_BOOL bOwnFileRead = TRUE);
-
+ Error StartParse(IFX_FileRead* pFile,
+ FX_BOOL bReParse = FALSE,
+ FX_BOOL bOwnFileRead = TRUE);
void CloseParser(FX_BOOL bReParse = FALSE);
FX_DWORD GetPermissions(FX_BOOL bCheckRevision = FALSE);
-
FX_BOOL IsOwner();
void SetPassword(const FX_CHAR* password) { m_Password = password; }
-
CFX_ByteString GetPassword() { return m_Password; }
CPDF_CryptoHandler* GetCryptoHandler() {
@@ -383,17 +371,15 @@ class CPDF_Parser {
void SetSecurityHandler(CPDF_SecurityHandler* pSecurityHandler,
FX_BOOL bForced = FALSE);
- CPDF_Dictionary* GetTrailer() { return m_pTrailer; }
-
- FX_FILESIZE GetLastXRefOffset() { return m_LastXRefOffset; }
-
- CPDF_Document* GetDocument() { return m_pDocument; }
+ CPDF_Dictionary* GetTrailer() const { return m_pTrailer; }
+ FX_FILESIZE GetLastXRefOffset() const { return m_LastXRefOffset; }
+ CPDF_Document* GetDocument() const { return m_pDocument; }
FX_DWORD GetRootObjNum();
FX_DWORD GetInfoObjNum();
CPDF_Array* GetIDArray();
- CPDF_Dictionary* GetEncryptDict() { return m_pEncryptDict; }
+ CPDF_Dictionary* GetEncryptDict() const { return m_pEncryptDict; }
CPDF_Object* ParseIndirectObject(CPDF_IndirectObjectHolder* pObjList,
FX_DWORD objnum);
@@ -403,16 +389,13 @@ class CPDF_Parser {
FX_BOOL IsFormStream(FX_DWORD objnum, FX_BOOL& bForm);
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; }
+
CPDF_Object* ParseIndirectObjectAt(CPDF_IndirectObjectHolder* pObjList,
FX_FILESIZE pos,
FX_DWORD objnum);
@@ -423,72 +406,45 @@ class CPDF_Parser {
FX_DWORD objnum,
FX_FILESIZE* pResultPos);
- FX_DWORD StartAsynParse(IFX_FileRead* pFile,
- FX_BOOL bReParse = FALSE,
- FX_BOOL bOwnFileRead = TRUE);
+ Error StartAsynParse(IFX_FileRead* pFile,
+ FX_BOOL bReParse = FALSE,
+ FX_BOOL bOwnFileRead = TRUE);
- FX_DWORD GetFirstPageNo() { return m_dwFirstPageNo; }
+ FX_DWORD GetFirstPageNo() const { return m_dwFirstPageNo; }
protected:
CPDF_Object* ParseDirect(CPDF_Object* pObj);
-
FX_BOOL LoadAllCrossRefV4(FX_FILESIZE pos);
-
FX_BOOL LoadAllCrossRefV5(FX_FILESIZE pos);
-
bool LoadCrossRefV4(FX_FILESIZE pos, FX_FILESIZE streampos, FX_BOOL bSkip);
-
FX_BOOL LoadCrossRefV5(FX_FILESIZE* pos, FX_BOOL bMainXRef);
-
CPDF_Dictionary* LoadTrailerV4();
-
FX_BOOL RebuildCrossRef();
-
- FX_DWORD SetEncryptHandler();
-
+ Error SetEncryptHandler();
void ReleaseEncryptHandler();
-
FX_BOOL LoadLinearizedAllCrossRefV4(FX_FILESIZE pos, FX_DWORD dwObjCount);
-
FX_BOOL LoadLinearizedCrossRefV4(FX_FILESIZE pos, FX_DWORD dwObjCount);
-
FX_BOOL LoadLinearizedAllCrossRefV5(FX_FILESIZE pos);
-
- FX_DWORD LoadLinearizedMainXRefTable();
-
+ Error LoadLinearizedMainXRefTable();
CPDF_StreamAcc* GetObjectStream(FX_DWORD number);
-
FX_BOOL IsLinearizedFile(IFX_FileRead* pFileAccess, FX_DWORD offset);
-
bool FindPosInOffsets(FX_FILESIZE pos) const;
-
void SetEncryptDictionary(CPDF_Dictionary* pDict);
-
FX_FILESIZE GetObjectPositionOrZero(FX_DWORD objnum) const;
void ShrinkObjectMap(FX_DWORD size);
CPDF_Document* m_pDocument;
-
CPDF_SyntaxParser m_Syntax;
FX_BOOL m_bOwnFileRead;
int m_FileVersion;
-
CPDF_Dictionary* m_pTrailer;
-
CPDF_Dictionary* m_pEncryptDict;
-
FX_FILESIZE m_LastXRefOffset;
-
FX_BOOL m_bXRefStream;
-
std::unique_ptr<CPDF_SecurityHandler> m_pSecurityHandler;
-
FX_BOOL m_bForceUseSecurityHandler;
-
CFX_ByteString m_bsRecipient;
-
CFX_ByteString m_FilePath;
-
CFX_ByteString m_Password;
struct ObjectInfo {
@@ -505,17 +461,11 @@ class CPDF_Parser {
CFX_ByteArray m_V5Type;
CFX_WordArray m_ObjVersion;
-
CFX_FileSizeArray m_SortedOffset;
-
CFX_ArrayTemplate<CPDF_Dictionary*> m_Trailers;
-
FX_BOOL m_bVersionUpdated;
-
CPDF_Object* m_pLinearized;
-
FX_DWORD m_dwFirstPageNo;
-
FX_DWORD m_dwXrefStartObjNum;
// A map of object numbers to indirect streams. Map owns the streams.
@@ -667,6 +617,9 @@ class CPDF_StandardSecurityHandler : public CPDF_SecurityHandler {
int m_KeyLen;
};
+
+CPDF_SecurityHandler* FPDF_CreateStandardSecurityHandler();
+
class CPDF_CryptoHandler {
public:
virtual ~CPDF_CryptoHandler() {}