//
// aegis - project change supervisor
// Copyright (C) 2005, 2006, 2008, 2014 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 3 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 <common/ac/ctype.h>
#include <common/ac/string.h>

#include <common/nstring/list.h>


void
nstring_list::split(const nstring &s, const char *sep, bool ewhite)
{
    // this vode must be identical to string_list_ty::split
    // until string_list_ty can be retired.
    if (!sep)
    {
        sep = " \t\n\f\r";
        ewhite = true;
    }
    clear();
    const char *cp = s.c_str();
    bool more = true;
    while (*cp || more)
    {
        if (ewhite)
        {
            while (isspace((unsigned char)*cp))
                cp++;
        }
        if (!*cp && !more)
            break;
        more = false;
        const char *cp1 = cp;
        while (*cp && !strchr(sep, *cp))
            cp++;
        const char *cp2 = cp;
        if (*cp)
        {
            cp2 = cp + 1;
            more = true;
        }
        if (ewhite)
        {
            while (cp > cp1 && isspace((unsigned char)cp[-1]))
                cp--;
        }
        nstring w(cp1, cp - cp1);
        push_back(w);
        cp = cp2;
    }
}


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