1 files changed, 89 insertions, 0 deletions
diff --git a/xpdf/Dict.h b/xpdf/Dict.h
new file mode 100644
index 0000000..b05f729
--- /dev/null
+++ b/xpdf/Dict.h
@@ -0,0 +1,89 @@
+//========================================================================
+//
+// Dict.h
+//
+// Copyright 1996-2003 Glyph & Cog, LLC
+//
+//========================================================================
+
+#ifndef DICT_H
+#define DICT_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#if MULTITHREADED
+#include "GMutex.h"
+#endif
+#include "Object.h"
+
+struct DictEntry;
+
+//------------------------------------------------------------------------
+// Dict
+//------------------------------------------------------------------------
+
+class Dict {
+public:
+
+  // Constructor.
+  Dict(XRef *xrefA);
+
+  // Destructor.
+  ~Dict();
+
+  // Reference counting.
+#if MULTITHREADED
+  long incRef() { return gAtomicIncrement(&ref); }
+  long decRef() { return gAtomicDecrement(&ref); }
+#else
+  long incRef() { return ++ref; }
+  long decRef() { return --ref; }
+#endif
+
+  // 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(const char *type);
+
+  // Look up an entry and return the value.  Returns a null object
+  // if <key> is not in the dictionary.
+  Object *lookup(const char *key, Object *obj, int recursion = 0);
+  Object *lookupNF(const 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
+  DictEntry **hashTab;		// hash table pointers
+  int size;			// size of <entries> array
+  int length;			// number of entries in dictionary
+#if MULTITHREADED
+  GAtomicCounter ref;		// reference count
+#else
+  long ref;			// reference count
+#endif
+
+  DictEntry *find(const char *key);
+  void expand();
+  int hash(const char *key);
+};
+
+#endif