osbid.h

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// OSB library ************************************************ -*- C++ -*-
/*
  AUTHOR(S): Stephan Broennimann (vb)

  RCS information
   $Name: OSB_060808 $
   $Revision: 1.15 $

  License
   OSB rating and billing library for communication networks
   Copyright (C) 2004, 2005, 2006  OSB systems

   This file may be distributed and/or modify under the terms of the
   GNU General Public License (GPL) as published by the Free Software
   Foundation which is provided in the file LICENSE.GPL included in the
   packaging of this file.

   The file 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.

   Holders of a OSB Commercial License may use this file under the terms
   and conditions of this commercial license.
 */
#ifndef _OSBID_H_
#define _OSBID_H_

// ************************************************************************
// included header files
// + standard includes
#include<iosfwd>
#include<functional>

// + libraries

// + local headers
#include "osbconst.h"

// ************************************************************************
// namespace extensions
namespace OSB_LIB {

// ************************************************************************
// class definitions
    template<typename T> struct Id {
    public:
        explicit Id(long id = ID_NOT_SET) : id_(id) {}
        long id() const { return id_; }
        bool notSet() const { return ID_NOT_SET == id_; }
        bool isSet() const { return !notSet(); }
        bool operator==(const Id& rhs) const { return id_ == rhs.id_; }
        bool operator!=(const Id& rhs) const { return id_ != rhs.id_; }
        bool operator< (const Id& rhs) const { return id_ <  rhs.id_; }
        bool operator> (const Id& rhs) const { return id_ >  rhs.id_; }
        bool operator<=(const Id& rhs) const { return id_ <= rhs.id_; }
        bool operator>=(const Id& rhs) const { return id_ >= rhs.id_; }
    private:
        long id_;
    };

    template<typename T>
    std::ostream& operator<<(std::ostream& o, Id<T> id)
    {
        return o << id.id();
    }

    template<typename I> struct Id2 {
        Id2() : id1_(ID_NOT_SET), id2_(ID_NOT_SET) {}
        explicit Id2(long id1) : id1_(id1), id2_(ID_NOT_SET) {}
        Id2(long id1, long id2) : id1_(id1), id2_(id2) {}

        bool isSet() const
        {
            return ID_NOT_SET != id1_ || ID_NOT_SET != id2_;
        }
        bool notSet() const { return !isSet(); }
        bool id1Set() const { return ID_NOT_SET != id1_; }
        bool id2Set() const { return ID_NOT_SET != id2_; }

        bool operator==(const Id2& rhs) const
        {
            return id1_ == rhs.id1_ && id2_ == rhs.id2_;
        }

        bool operator!=(const Id2& rhs) const
        {
            return !(*this == rhs);
        }

        bool operator<(const Id2& rhs) const
        {
            return id1_ == rhs.id1_ ?
                   id2_ < rhs.id2_  :
                   id1_ < rhs.id1_;
        }

        bool operator>(const Id2& rhs) const
        {
            return rhs < *this;
        }

        bool operator<=(const Id2& rhs) const
        {
            return !(rhs < *this);
        }

        bool operator>=(const Id2& rhs) const
        {
            return !(*this < rhs);
        }

    public:
        long id1_;
        long id2_;
    };

    template<typename I>
    std::ostream& operator<<(std::ostream& o, Id2<I> id)
    {
        return o << id.id1_ << '.' << id.id2_;
    }

    template < class T, class Oid =Id<T> >
    class MatchOid : public std::unary_function <T, bool> {
        Oid oid_;
    public:
        explicit MatchOid(const Oid& oid) : oid_(oid) {}
        bool operator() (const T& t) const { return t.oid() == oid_; }
    };

    template<class T, class Oid>
    class MatchOid<T*, Oid> : public std::unary_function<T*, bool> {
        Oid oid_;
    public:
        explicit MatchOid(const Oid& oid) : oid_(oid) {}
        bool operator() (const T* t) const { return t->oid() == oid_; }
    };
}                                       // namespace OSB_LIB
#endif                                  // #ifndef _OSBID_H_

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