lib/space/protocols/slurp.cc

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//
// nis-util - NIS Administration Utilities
// Copyright (C) 2002, 2008, 2009, 2011, 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/>.
//

#include <lib/ac/limits.h>

#include <lib/space/protocols/slurp.h>
#include <lib/symtab.h>


space_protocols_slurp::~space_protocols_slurp()
{
}


space_protocols_slurp::space_protocols_slurp(const rcstring &a_filename) :
    space_protocols(a_filename)
{
}


space_protocols_slurp::pointer
space_protocols_slurp::create(const rcstring &a_filename)
{
    return pointer(new space_protocols_slurp(a_filename));
}


void
space_protocols_slurp::process(const record::pointer &rp)
{
    // check the name
    {
        by_name_t::iterator bnit = by_name.find(rp->get_name());
        if (bnit != by_name.end())
        {
            error
            (
                rp->get_source_location(),
                "duplicate %s protocol name...",
                rp->get_name().quote_c().c_str()
            );
            error
            (
                bnit->second->get_source_location(),
                "... here is the first use of the %s protocol name",
                bnit->second->get_name().quote_c().c_str()
            );
        }
        else
        {
            by_name.insert(by_name_t::value_type(rp->get_name(), rp));
        }
    }

    //
    // Check the number
    //
    long value = rp->get_number_binary();
    by_number_t::iterator nit = by_number.find(value);
    if (nit != by_number.end())
    {
        error
        (
            rp->get_source_location(),
            "duplicate %s protocol number...",
            rp->get_number().quote_c().c_str()
        );
        error
        (
            nit->second->get_source_location(),
            "...here is the first %s protocol number",
            nit->second->get_number().quote_c().c_str()
        );
    }
    else
    {
        by_number.insert(by_number_t::value_type(value, rp));
    }

    //
    // Check the aliases
    //
    const record::aliases_t &aliases = rp->get_aliases();
    for
    (
        record::aliases_t::const_iterator it = aliases.begin();
        it != aliases.end();
        ++it
    )
    {
        by_name_t::iterator bnit = by_name.find(*it);
        if (bnit != by_name.end())
        {
            error
            (
                rp->get_source_location(),
                "duplicate %s protocol name...",
                rp->get_name().quote_c().c_str()
            );
            error
            (
                bnit->second->get_source_location(),
                "... here is the first use of the %s protocol name",
                bnit->second->get_name().quote_c().c_str()
            );
        }
        else
        {
            by_name.insert(by_name_t::value_type(*it, rp));
        }
    }
}


void
space_protocols_slurp::read_and_process(void)
{
    for (;;)
    {
        space_protocols::record::pointer rp = get();
        if (!rp)
            break;
        process(rp);
    }
    close();
}


space_protocols::record::pointer
space_protocols_slurp::query_by_name(const rcstring &key)
    const
{
    by_name_t::const_iterator it = by_name.find(key);
    if (it == by_name.end())
        return record::pointer();
    return it->second;
}


space_protocols::record::pointer
space_protocols_slurp::query_by_number(const rcstring &key)
    const
{
    long value = 0;
    if (!key.to_long(value))
        return record::pointer();
    if (value < INT_MIN || value > INT_MAX)
        return record::pointer();
    return query_by_number(int(value));
}


space_protocols::record::pointer
space_protocols_slurp::query_by_number(int key)
    const
{
    if (key < 0 || key >= 256)
        return record::pointer();
    by_number_t::const_iterator it = by_number.find(key);
    if (it == by_number.end())
        return record::pointer();
    return it->second;
}


// vim: set ts=8 sw=4 et :