lib/configuration/item/integer.cc

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//
// nis-util - NIS Administration Utilities
// Copyright (C) 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 <libexplain/output.h>

#include <lib/configuration/item/integer.h>


configuration_item_integer::~configuration_item_integer()
{
}


configuration_item_integer::configuration_item_integer(
    const source_location &a_locn,
    level_t a_level,
    const rcstring &a_name,
    long a_value
) :
    configuration_item(a_locn, a_level, a_name),
    value(a_value)
{
}


configuration_item_integer::pointer
configuration_item_integer::create(const source_location &a_locn,
    level_t a_level, const rcstring &a_name, long a_value)
{
    return
        pointer
        (
            new configuration_item_integer(a_locn, a_level, a_name, a_value)
        );
}


bool
configuration_item_integer::candidate(const rcstring &ptext, long &pvalue)
{
    const char *s = ptext.c_str();
    char *ep = 0;
    pvalue = strtol(s, &ep, 0);
    return (ep != s && ep && !*ep);
}


configuration_item_integer::pointer
configuration_item_integer::create_if_candidate(const source_location &a_locn,
    level_t a_level, const rcstring &a_name, const rcstring &pvalue)
{
    long a_value = false;
    if (!candidate(pvalue, a_value))
        return pointer();
    return create(a_locn, a_level, a_name, a_value);
}


rcstring
configuration_item_integer::get_string_value(void)
    const
{
    // Don't complain, needed for the configuration_item::print method.
    return rcstring::format("%ld", value);
}


long
configuration_item_integer::get_long_value(void)
    const
{
    return value;
}


bool
configuration_item_integer::get_bool_value(void)
    const
{
    explain_output_error_and_die
    (
        "%s: item %s: integer value \"%ld\" supplied, boolean value required",
        get_source_location().get_both().c_str(),
        get_name().quote_c().c_str(),
        value
    );
    return (value != 0);
}


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