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//========================================================================
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// Copyright 1996 Derek B. Noonburg
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//========================================================================
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//------------------------------------------------------------------------
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//------------------------------------------------------------------------
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// Constructor. Read xref table from stream.
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XRef(BaseStream *strA, GString *ownerPassword, GString *userPassword);
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// Is xref table valid?
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GBool isOk() { return ok; }
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// Is the file encrypted?
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GBool isEncrypted() { return encrypted; }
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GBool isEncrypted() { return gFalse; }
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// Check various permissions.
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GBool okToPrint(GBool ignoreOwnerPW = gFalse);
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GBool okToChange(GBool ignoreOwnerPW = gFalse);
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GBool okToCopy(GBool ignoreOwnerPW = gFalse);
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GBool okToAddNotes(GBool ignoreOwnerPW = gFalse);
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// Get catalog object.
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Object *getCatalog(Object *obj) { return fetch(rootNum, rootGen, obj); }
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// Fetch an indirect reference.
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Object *fetch(int num, int gen, Object *obj);
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// Return the document's Info dictionary (if any).
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Object *getDocInfo(Object *obj);
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// Return the number of objects in the xref table.
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int getNumObjects() { return size; }
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// Return the offset of the last xref table.
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int getLastXRefPos() { return lastXRefPos; }
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// Return the catalog object reference.
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int getRootNum() { return rootNum; }
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int getRootGen() { return rootGen; }
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// Get end position for a stream in a damaged file.
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// Returns -1 if unknown or file is not damaged.
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int getStreamEnd(int streamStart);
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BaseStream *str; // input stream
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int start; // offset in file (to allow for garbage
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// at beginning of file)
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XRefEntry *entries; // xref entries
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int size; // size of <entries> array
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int rootNum, rootGen; // catalog dict
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GBool ok; // true if xref table is valid
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Object trailerDict; // trailer dictionary
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int lastXRefPos; // offset of last xref table
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int *streamEnds; // 'endstream' positions - only used in
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int streamEndsLen; // number of valid entries in streamEnds
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GBool encrypted; // true if file is encrypted
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int encVersion; // encryption algorithm
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int encRevision; // security handler revision
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int keyLength; // length of key, in bytes
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int permFlags; // permission bits
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Guchar fileKey[16]; // file decryption key
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GBool ownerPasswordOk; // true if owner password is correct
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GBool readXRef(int *pos);
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GBool constructXRef();
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GBool checkEncrypted(GString *ownerPassword, GString *userPassword);
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//------------------------------------------------------------------------
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// The global xref table
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//------------------------------------------------------------------------
added
removed
src/plugins/pdf/XRef.h
