Diffstat (limited to 'noncore/unsupported/qpdf/xpdf/XRef.h') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/unsupported/qpdf/xpdf/XRef.h | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/noncore/unsupported/qpdf/xpdf/XRef.h b/noncore/unsupported/qpdf/xpdf/XRef.h index a44c495..7876fa6 100644 --- a/noncore/unsupported/qpdf/xpdf/XRef.h +++ b/noncore/unsupported/qpdf/xpdf/XRef.h @@ -1,55 +1,58 @@ //======================================================================== // // XRef.h // -// Copyright 1996 Derek B. Noonburg +// Copyright 1996-2002 Glyph & Cog, LLC // //======================================================================== #ifndef XREF_H #define XREF_H #ifdef __GNUC__ #pragma interface #endif #include "gtypes.h" #include "Object.h" class Dict; class Stream; //------------------------------------------------------------------------ // XRef //------------------------------------------------------------------------ struct XRefEntry { - int offset; + Guint offset; int gen; GBool used; }; class XRef { public: // Constructor. Read xref table from stream. XRef(BaseStream *strA, GString *ownerPassword, GString *userPassword); // Destructor. ~XRef(); // Is xref table valid? GBool isOk() { return ok; } + // Get the error code (if isOk() returns false). + int getErrorCode() { return errCode; } + // Is the file encrypted? #ifndef NO_DECRYPTION GBool isEncrypted() { return encrypted; } #else GBool isEncrypted() { return gFalse; } #endif // Check various permissions. GBool okToPrint(GBool ignoreOwnerPW = gFalse); GBool okToChange(GBool ignoreOwnerPW = gFalse); GBool okToCopy(GBool ignoreOwnerPW = gFalse); GBool okToAddNotes(GBool ignoreOwnerPW = gFalse); @@ -59,53 +62,55 @@ public: // Fetch an indirect reference. Object *fetch(int num, int gen, Object *obj); // Return the document's Info dictionary (if any). Object *getDocInfo(Object *obj); Object *getDocInfoNF(Object *obj); // Return the number of objects in the xref table. int getNumObjects() { return size; } // Return the offset of the last xref table. - int getLastXRefPos() { return lastXRefPos; } + Guint getLastXRefPos() { return lastXRefPos; } // Return the catalog object reference. int getRootNum() { return rootNum; } int getRootGen() { return rootGen; } // Get end position for a stream in a damaged file. - // Returns -1 if unknown or file is not damaged. - int getStreamEnd(int streamStart); + // Returns false if unknown or file is not damaged. + GBool getStreamEnd(Guint streamStart, Guint *streamEnd); private: BaseStream *str; // input stream - int start; // offset in file (to allow for garbage + Guint start; // offset in file (to allow for garbage // at beginning of file) XRefEntry *entries; // xref entries int size; // size of <entries> array int rootNum, rootGen; // catalog dict GBool ok; // true if xref table is valid + int errCode; // error code (if <ok> is false) Object trailerDict; // trailer dictionary - int lastXRefPos; // offset of last xref table - int *streamEnds; // 'endstream' positions - only used in + Guint lastXRefPos; // offset of last xref table + Guint *streamEnds; // 'endstream' positions - only used in // damaged files int streamEndsLen; // number of valid entries in streamEnds #ifndef NO_DECRYPTION GBool encrypted; // true if file is encrypted int encVersion; // encryption algorithm int encRevision; // security handler revision int keyLength; // length of key, in bytes int permFlags; // permission bits Guchar fileKey[16]; // file decryption key GBool ownerPasswordOk; // true if owner password is correct #endif - int readTrailer(); - GBool readXRef(int *pos); + Guint readTrailer(); + GBool readXRef(Guint *pos); GBool constructXRef(); GBool checkEncrypted(GString *ownerPassword, GString *userPassword); + Guint strToUnsigned(char *s); }; #endif |