/* Declarations for url.c.
   Copyright (C) 1996-2005 Free Software Foundation, Inc.

This file is part of GNU Wget.

GNU Wget 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.

GNU Wget 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 Wget; if not, write to the Free Software Foundation, Inc.,
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

In addition, as a special exception, the Free Software Foundation
gives permission to link the code of its release of Wget with the
OpenSSL project's "OpenSSL" library (or with modified versions of it
that use the same license as the "OpenSSL" library), and distribute
the linked executables.  You must obey the GNU General Public License
in all respects for all of the code used other than "OpenSSL".  If you
modify this file, you may extend this exception to your version of the
file, but you are not obligated to do so.  If you do not wish to do
so, delete this exception statement from your version.  */

#ifndef URL_H
#define URL_H

/* Default port definitions */
#define DEFAULT_HTTP_PORT 80
#define DEFAULT_FTP_PORT 21
#define DEFAULT_HTTPS_PORT 443

/* Note: the ordering here is related to the order of elements in
   `supported_schemes' in url.c.  */

enum url_scheme {
  SCHEME_HTTP,
#ifdef HAVE_SSL
  SCHEME_HTTPS,
#endif
  SCHEME_FTP,
  SCHEME_INVALID
};

/* Structure containing info on a URL.  */
struct url
{
  char *url;			/* Original URL */
  enum url_scheme scheme;	/* URL scheme */

  char *host;			/* Extracted hostname */
  int port;			/* Port number */

  /* URL components (URL-quoted). */
  char *path;
  char *params;
  char *query;
  char *fragment;

  /* Extracted path info (unquoted). */
  char *dir;
  char *file;

  /* Username and password (unquoted). */
  char *user;
  char *passwd;
};

/* Function declarations */

char *url_escape (const char *);

struct url *url_parse (const char *, int *);
const char *url_error (int);
char *url_full_path (const struct url *);
void url_set_dir (struct url *, const char *);
void url_set_file (struct url *, const char *);
void url_free (struct url *);

enum url_scheme url_scheme (const char *);
bool url_has_scheme (const char *);
int scheme_default_port (enum url_scheme);
void scheme_disable (enum url_scheme);

char *url_string (const struct url *, bool);
char *url_file_name (const struct url *);

char *uri_merge (const char *, const char *);

int mkalldirs (const char *);

char *rewrite_shorthand_url (const char *);
bool schemes_are_similar_p (enum url_scheme a, enum url_scheme b);

#endif /* URL_H */
