#ifndef LIST_H_INCLUDED
#define LIST_H_INCLUDED
/*********************************************************************
 *
 * File        :  $Source: /cvsroot/ijbswa/current/list.h,v $
 *
 * Purpose     :  Declares functions to handle lists.
 *                Functions declared include:
 *                   `destroy_list', `enlist' and `list_to_text'
 *
 * Copyright   :  Written by and Copyright (C) 2001-2007 members of the
 *                Privoxy team. http://www.privoxy.org/
 *
 *                Based on the Internet Junkbuster originally written
 *                by and Copyright (C) 1997 Anonymous Coders and
 *                Junkbusters Corporation.  http://www.junkbusters.com
 *
 *                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.
 *
 *                The GNU General Public License should be included with
 *                this file.  If not, you can view it at
 *                http://www.gnu.org/copyleft/gpl.html
 *                or write to the Free Software Foundation, Inc., 59
 *                Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 *********************************************************************/


#include "project.h"

/*
 * struct list
 *
 * A linked list class.
 */

extern void init_list    (struct list *the_list);
extern void destroy_list (struct list *the_list);

extern jb_err enlist                 (struct list *the_list, const char *str);
extern jb_err enlist_unique          (struct list *the_list, const char *str, size_t num_significant_chars);
extern jb_err enlist_unique_header   (struct list *the_list, const char *name, const char *value);
extern jb_err enlist_first           (struct list *the_list, const char *str);
extern jb_err list_append_list_unique(struct list *dest,     const struct list *src);
extern jb_err list_duplicate         (struct list *dest,     const struct list *src);

extern int    list_remove_item(struct list *the_list, const char *str);
extern int    list_remove_list(struct list *dest,     const struct list *src);
extern void   list_remove_all (struct list *the_list);

extern int    list_is_empty(const struct list *the_list);

extern char * list_to_text(const struct list *the_list);

extern int    list_contains_item(const struct list *the_list, const char *str);

/*
 * struct map
 *
 * A class which maps names to values.
 *
 * Note: You must allocate this through new_map() and free it
 * through free_map().
 */

extern struct map * new_map  (void);
extern void         free_map (struct map * the_map);

extern jb_err       map      (struct map * the_map,
                              const char * name, int name_needs_copying,
                              const char * value, int value_needs_copying);
extern jb_err       unmap    (struct map *the_map,
                              const char *name);
extern const char * lookup   (const struct map * the_map, const char * name);

#endif /* ndef LIST_H_INCLUDED */

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