lib/space/hosts.h

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//
// nis-util - NIS Administration Utilities
// Copyright (C) 2001-2003, 2008, 2009, 2012 Peter Miller
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or (at
// your option) any later version.
//
// This program 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.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//

#ifndef LIB_SPACE_HOSTS_H
#define LIB_SPACE_HOSTS_H

#include <boost/shared_ptr.hpp>

#include <lib/space.h>

class space_hosts:
    public space
{
public:
    typedef boost::shared_ptr<space_hosts> pointer;

    virtual ~space_hosts();

    static pointer create(const rcstring &filename);

    class record
    {
    public:
        typedef boost::shared_ptr<record> pointer;

        ~record();

        typedef std::vector<rcstring> names_t;

        static pointer create(const source_location &locn,
            const rcstring &ip_address, const names_t &names);

        rcstring representation() const;

        const source_location &get_source_location(void) const { return locn; }
        rcstring get_ip_address(void) const { return ip_address; }
        const names_t &get_names(void) const { return names; }

        bool operator<(const record &rhs) const;
        bool operator<=(const record &rhs) const;
        bool operator>(const record &rhs) const;
        bool operator>=(const record &rhs) const;

    private:
        record(const source_location &locn, const rcstring &ip_address,
            const names_t &names);

        source_location locn;
        rcstring ip_address;
        names_t names;
        unsigned long ip_address_binary;
    };

    record::pointer get(void);

    static bool valid_ip_address(const rcstring &input, rcstring &output);

    static bool valid_host_name(const rcstring &input, rcstring &output);

protected:
    space_hosts(const rcstring &filename);

private:
    record::pointer last_rp;

    space_hosts();

    space_hosts(const space_hosts &);

    space_hosts &operator=(const space_hosts &);
};

// vim: set ts=8 sw=4 et :
#endif // LIB_SPACE_HOSTS_H