src/acl/Strategy.h

   1 /*
   2  * Copyright (C) 1996-2023 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_ACLSTRATEGY_H
  10 #define SQUID_ACLSTRATEGY_H
  11
  12 #include "acl/Acl.h"
  13 #include "acl/Data.h"
  14 #include "acl/Options.h"
  15
  16 class ACLFilledChecklist;
  17
  18 template<class M>
  19
  20 /// A matching algorithm.
  21 class ACLStrategy
  22 {
  23
  24 public:
  25     typedef M MatchType;
  26
  27     /* Replicate ACL API parts relevant to the matching algorithm. */
  28     virtual const Acl::Options &options() { return Acl::NoOptions(); }
  29     virtual int match (ACLData<M> * &, ACLFilledChecklist *) = 0;
  30     virtual bool requiresRequest() const {return false;}
  31
  32     virtual bool requiresReply() const {return false;}
  33
  34     virtual bool valid() const {return true;}
  35
  36     virtual ~ACLStrategy() {}
  37 };
  38
  39 #endif /* SQUID_ACLSTRATEGY_H */
  40