lib/rcstring/identifier.cc

Go to the documentation of this file.

//
// 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 <lib/ac/ctype.h>

#include <lib/rcstring/accumulator.h>


rcstring
rcstring::identifier(void)
    const
{
    rcstring_accumulator acc;
    const char *cp = c_str();
    if (isdigit((unsigned char)*cp))
        acc.push_back('_');
    for (;;)
    {
        unsigned char c = *cp++;
        if (!c)
            break;
        if (isalnum(c))
            acc.push_back(c);
        else
            acc.push_back('_');
    }
    return acc.mkstr();
}


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