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+//========================================================================
+//
+// Dict.h
+//
+// Copyright 1996-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef DICT_H
+#define DICT_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "Object.h"
+
+//------------------------------------------------------------------------
+// Dict
+//------------------------------------------------------------------------
+
+struct DictEntry {
+ char *key;
+ Object val;
+};
+
+class Dict {
+public:
+
+ // Constructor.
+ Dict(XRef *xrefA);
+
+ // Destructor.
+ ~Dict();
+
+ // Reference counting.
+ int incRef() { return ++ref; }
+ int decRef() { return --ref; }
+
+ // Get number of entries.
+ int getLength() { return length; }
+
+ // Add an entry. NB: does not copy key.
+ void add(char *key, Object *val);
+
+ // Check if dictionary is of specified type.
+ GBool is(char *type);
+
+ // Look up an entry and return the value. Returns a null object
+ // if <key> is not in the dictionary.
+ Object *lookup(char *key, Object *obj);
+ Object *lookupNF(char *key, Object *obj);
+
+ // Iterative accessors.
+ char *getKey(int i);
+ Object *getVal(int i, Object *obj);
+ Object *getValNF(int i, Object *obj);
+
+ // Set the xref pointer. This is only used in one special case: the
+ // trailer dictionary, which is read before the xref table is
+ // parsed.
+ void setXRef(XRef *xrefA) { xref = xrefA; }
+
+private:
+
+ XRef *xref; // the xref table for this PDF file
+ DictEntry *entries; // array of entries
+ int size; // size of <entries> array
+ int length; // number of entries in dictionary
+ int ref; // reference count
+
+ DictEntry *find(char *key);
+};
+
+#endif