xorp

policytags.hh

00001 // -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
00002 // vim:set sts=4 ts=8:
00003 
00004 // Copyright (c) 2001-2011 XORP, Inc and Others
00005 //
00006 // This program is free software; you can redistribute it and/or modify
00007 // it under the terms of the GNU General Public License, Version 2, June
00008 // 1991 as published by the Free Software Foundation. Redistribution
00009 // and/or modification of this program under the terms of any other
00010 // version of the GNU General Public License is not permitted.
00011 // 
00012 // This program is distributed in the hope that it will be useful, but
00013 // WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more details,
00015 // see the GNU General Public License, Version 2, a copy of which can be
00016 // found in the XORP LICENSE.gpl file.
00017 // 
00018 // XORP Inc, 2953 Bunker Hill Lane, Suite 204, Santa Clara, CA 95054, USA;
00019 // http://xorp.net
00020 
00021 // $XORP: xorp/policy/backend/policytags.hh,v 1.9 2008/10/02 21:58:04 bms Exp $
00022 
00023 #ifndef __POLICY_BACKEND_POLICYTAGS_HH__
00024 #define __POLICY_BACKEND_POLICYTAGS_HH__
00025 
00026 
00027 
00028 #include "policy/common/policy_exception.hh"
00029 #include "policy/common/element_base.hh"
00030 #include "libxipc/xrl_atom_list.hh"
00031 
00041 class PolicyTags {
00042 public:
00046     class PolicyTagsError : public PolicyException {
00047     public:
00048         PolicyTagsError(const char* file, size_t line, 
00049             const string& init_why = "")   
00050     : PolicyException("PolicyTagsError", file, line, init_why) {} 
00051     };
00052 
00056     PolicyTags();
00057 
00064     PolicyTags(const XrlAtomList& xrlatoms);
00065 
00069     string str() const;
00070 
00075     bool operator==(const PolicyTags& rhs) const;
00076 
00082     Element* element() const;
00083 
00084     Element* element_tag() const;
00085     void     set_tag(const Element& e);
00086     void     set_ptags(const Element& e);
00087 
00093     XrlAtomList xrl_atomlist() const;
00094 
00100     void insert(const PolicyTags& pt);
00101 
00102     void insert(uint32_t tag);
00103 
00110     bool contains_atleast_one(const PolicyTags& tags) const;
00111 
00112 private:
00113     typedef set<uint32_t> Set;
00114 
00115     Set     _tags;
00116     uint32_t    _tag;
00117 };
00118 
00119 #endif // __POLICY_BACKEND_POLICYTAGS_HH__
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