1 //========================================================================
5 // Copyright 1996-2002 Glyph & Cog, LLC
7 //========================================================================
18 //------------------------------------------------------------------------
20 //------------------------------------------------------------------------
36 // Reference counting.
37 int incRef() { return ++ref; }
38 int decRef() { return --ref; }
40 // Get number of entries.
41 int getLength() { return length; }
43 // Add an entry. NB: does not copy key.
44 void add(char *key, Object *val);
46 // Check if dictionary is of specified type.
49 // Look up an entry and return the value. Returns a null object
50 // if <key> is not in the dictionary.
51 Object *lookup(char *key, Object *obj);
52 Object *lookupNF(char *key, Object *obj);
54 // Iterative accessors.
56 Object *getVal(int i, Object *obj);
57 Object *getValNF(int i, Object *obj);
59 // Set the xref pointer. This is only used in one special case: the
60 // trailer dictionary, which is read before the xref table is
62 void setXRef(XRef *xrefA) { xref = xrefA; }
66 XRef *xref; // the xref table for this PDF file
67 DictEntry *entries; // array of entries
68 int size; // size of <entries> array
69 int length; // number of entries in dictionary
70 int ref; // reference count
72 DictEntry *find(char *key);