1 files changed, 76 insertions, 0 deletions
diff --git a/ACE/apps/gperf/src/Bool_Array.h b/ACE/apps/gperf/src/Bool_Array.h
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+++ b/ACE/apps/gperf/src/Bool_Array.h
@@ -0,0 +1,76 @@
+// -*- C++ -*-
+
+/**
+ * $Id$
+ *
+ * Copyright (C) 1989 Free Software Foundation, Inc.
+ * written by Douglas C. Schmidt (schmidt@cs.wustl.edu)
+ *
+ * This file is part of GNU GPERF.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#ifndef BOOL_ARRAY_H
+#define BOOL_ARRAY_H
+
+#include "ace/config-all.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "Options.h"
+
+#if defined (ACE_HAS_GPERF)
+
+/**
+ * Efficient lookup table abstraction implemented as a "Generation
+ * Number" Array.
+ *
+ * Uses a "Generation Numbering" implementation to minimize
+ * initialization time.
+ */
+class Bool_Array
+{
+public:
+  /// Constructor
+  Bool_Array (void);
+
+  /// Initialize the array (requires O(n) time).
+  int open (u_long);
+
+  /// Destructor.
+  ~Bool_Array (void);
+
+  /// Locate the @a value in the array (requires O(1) time).
+  int find (u_long value);
+
+  /// Reinitializes the array (requires O(1) time).
+  void reset (void);
+
+private:
+  /// Initialization of the index space.
+  unsigned long *storage_array_;
+
+  /// Keep track of the current Generation.
+  unsigned long generation_number_;
+
+  /// Keep track of array size.
+  unsigned long size_;
+};
+
+#endif /* ACE_HAS_GPERF */
+#endif /* BOOL_ARRAY_H */