include/uniwatch.h

   1 /* -*- Mode: C++ -*-
   2  * Worldvisions Weaver Software:
   3  *   Copyright (C) 1997-2002 Net Integration Technologies, Inc.
   4  *
   5  * A class that does add_callback when created and del_callback when
   6  * destroyed, thus making it harder to do one or the other incorrectly.
   7  *
   8  * Because it's an object itself, it uses its own 'this' pointer as the
   9  * 'cookie', so you don't have to come up with one.
  10  */
  11 #ifndef __UNIWATCH_H
  12 #define __UNIWATCH_H
  13
  14 #include "uniconf.h"
  15
  16 class UniWatch
  17 {
  18     UniConf cfg;
  19     UniConfCallback cb;
  20     bool recurse;
  21
  22 public:
  23     // standard "add_callback" version
  24     UniWatch(const UniConf &_cfg, const UniConfCallback &_cb,
  25              bool _recurse = true);
  26
  27     // special "add_setbool" version
  28     UniWatch(const UniConf &_cfg, bool *b, bool _recurse = true);
  29
  30     ~UniWatch();
  31 };
  32
  33 DeclareWvList2(UniWatchListBase, UniWatch);
  34
  35 class UniWatchList : public UniWatchListBase
  36 {
  37 public:
  38     void add(const UniConf &_cfg, const UniConfCallback &_cb,
  39              bool _recurse = true)
  40         { append(new UniWatch(_cfg, _cb, _recurse), true); }
  41     void add(const UniConf &_cfg, bool *b, bool _recurse = true)
  42         { append(new UniWatch(_cfg, b, _recurse), true); }
  43 };
  44
  45
  46 #endif // __UNIWATCH_H