ACE/apps/gperf/src/List_Node.h

   1 // -*- C++ -*-
   2
   3 /**
   4  * Copyright (C) 1989 Free Software Foundation, Inc.
   5  * written by Douglas C. Schmidt (d.schmidt@vanderbilt.edu)
   6  *
   7  * This file is part of GNU GPERF.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; either version 2
  12  * of the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22  */
  23
  24 #ifndef LIST_NODE_H
  25 #define LIST_NODE_H
  26
  27 #include "ace/config-all.h"
  28
  29 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  30 # pragma once
  31 #endif /* ACE_LACKS_PRAGMA_ONCE */
  32
  33 #include "Options.h"
  34 #include "ace/Copy_Disabled.h"
  35
  36 /**
  37  * Data and function members for defining values and operations of
  38  * a list node.
  39  */
  40 class List_Node : private ACE_Copy_Disabled
  41 {
  42 public:
  43   /// Constructor.
  44   List_Node (char *key, int len);
  45
  46   /// Destructor.
  47   ~List_Node ();
  48
  49   static void sort (char *base, int len);
  50
  51   /// TRUE if key has an identical KEY_SET as another key.
  52   List_Node *link;
  53
  54   /// Points to next element on the list.
  55   List_Node *next;
  56
  57   /// Each keyword string stored here.
  58   char *key;
  59
  60   /// Additional information for building hash function.
  61   char *rest;
  62
  63   /// Set of characters to hash, specified by user.
  64   char *keysig;
  65
  66   /// Length of the key.
  67   int length;
  68
  69   /// Hash value for the key.
  70   int hash_value;
  71
  72   /// A metric for frequency of key set occurrences.
  73   int occurrence;
  74
  75   /// Position of this node relative to other nodes.
  76   int slot;
  77 };
  78
  79 #endif /* LIST_NODE_H */