
/*
 * $Id: wordlist.cc,v 1.1 2006/04/23 11:10:32 robertc Exp $
 *
 * DEBUG: section 3     Configuration File Parsing
 * AUTHOR: Harvest Derived
 *
 * SQUID Web Proxy Cache          http://www.squid-cache.org/
 * ----------------------------------------------------------
 *
 *  Squid is the result of efforts by numerous individuals from
 *  the Internet community; see the CONTRIBUTORS file for full
 *  details.   Many organizations have provided support for Squid's
 *  development; see the SPONSORS file for full details.  Squid is
 *  Copyrighted (C) 2001 by the Regents of the University of
 *  California; see the COPYRIGHT file for full details.  Squid
 *  incorporates software developed and/or copyrighted by other
 *  sources; see the CREDITS file for full details.
 *
 *  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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 */

#include "wordlist.h"
#include "MemBuf.h"

void
wordlistDestroy(wordlist ** list)
{
    wordlist *w = NULL;

    while ((w = *list) != NULL) {
        *list = w->next;
        safe_free(w->key);
        delete w;
    }

    *list = NULL;
}

const char *
wordlistAdd(wordlist ** list, const char *key)
{
    while (*list)
        list = &(*list)->next;

    *list = new wordlist;

    (*list)->key = xstrdup(key);

    (*list)->next = NULL;

    return (*list)->key;
}

void
wordlistJoin(wordlist ** list, wordlist ** wl)
{
    while (*list)
        list = &(*list)->next;

    *list = *wl;

    *wl = NULL;
}

void
wordlistAddWl(wordlist ** list, wordlist * wl)
{
    while (*list)
        list = &(*list)->next;

    for (; wl; wl = wl->next, list = &(*list)->next) {
        *list = new wordlist();
        (*list)->key = xstrdup(wl->key);
        (*list)->next = NULL;
    }
}

void
wordlistCat(const wordlist * w, MemBuf * mb)
{
    while (NULL != w) {
        mb->Printf("%s\n", w->key);
        w = w->next;
    }
}

wordlist *
wordlistDup(const wordlist * w)
{
    wordlist *D = NULL;

    while (NULL != w) {
        wordlistAdd(&D, w->key);
        w = w->next;
    }

    return D;
}
