1 /* Declarations for url.c.
2 Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
4 This file is part of GNU Wget.
6 GNU Wget is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 GNU Wget is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Wget; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
23 /* Default port definitions */
24 #define DEFAULT_HTTP_PORT 80
25 #define DEFAULT_FTP_PORT 21
26 #define DEFAULT_HTTPS_PORT 443
37 /* Structure containing info on a URL. */
40 char *url; /* Unchanged URL */
41 enum url_scheme scheme; /* URL scheme */
43 char *host; /* Extracted hostname */
46 char *path, *dir, *file, *qstring;
47 /* Path, dir, file, and query string
49 char *user, *passwd; /* Username and password */
50 struct urlinfo *proxy; /* The exact string to pass to proxy
52 char *referer; /* The source from which the request
54 char *local; /* The local filename of the URL
58 enum convert_options {
59 CO_NOCONVERT = 0, /* don't convert this URL */
60 CO_CONVERT_TO_RELATIVE, /* convert to relative, e.g. to
61 "../../otherdir/foo.gif" */
62 CO_CONVERT_TO_COMPLETE /* convert to absolute, e.g. to
63 "http://orighost/somedir/bar.jpg". */
66 /* A structure that defines the whereabouts of a URL, i.e. its
67 position in an HTML document, etc. */
69 typedef struct _urlpos
71 char *url; /* linked URL, after it has been
72 merged with the base */
73 char *local_name; /* Local file to which it was saved */
75 /* Information about the original link: */
76 int link_relative_p; /* was the link relative? */
77 int link_complete_p; /* was the link complete (with the
80 /* Conversion requirements: */
81 enum convert_options convert; /* is conversion required? */
83 /* URL's position in the buffer. */
86 struct _urlpos *next; /* Next struct in list */
89 /* downloaded_file() takes a parameter of this type and returns this type. */
92 /* Return enumerators: */
93 FILE_NOT_ALREADY_DOWNLOADED = 0,
95 /* Return / parameter enumerators: */
96 FILE_DOWNLOADED_NORMALLY,
97 FILE_DOWNLOADED_AND_HTML_EXTENSION_ADDED,
99 /* Parameter enumerators: */
103 /* Function declarations */
105 char *encode_string PARAMS ((const char *));
107 struct urlinfo *newurl PARAMS ((void));
108 void freeurl PARAMS ((struct urlinfo *, int));
109 enum url_scheme url_detect_scheme PARAMS ((const char *));
110 int url_skip_scheme PARAMS ((const char *));
111 int url_has_scheme PARAMS ((const char *));
112 int url_skip_uname PARAMS ((const char *));
114 uerr_t parseurl PARAMS ((const char *, struct urlinfo *, int));
115 char *str_url PARAMS ((const struct urlinfo *, int));
116 /* url_equal is not currently used. */
118 int url_equal PARAMS ((const char *, const char *));
121 urlpos *get_urls_file PARAMS ((const char *));
122 urlpos *get_urls_html PARAMS ((const char *, const char *, int, int *));
123 void free_urlpos PARAMS ((urlpos *));
125 char *uri_merge PARAMS ((const char *, const char *));
127 void rotate_backups PARAMS ((const char *));
128 int mkalldirs PARAMS ((const char *));
129 char *url_filename PARAMS ((const struct urlinfo *));
130 void opt_url PARAMS ((struct urlinfo *));
132 char *getproxy PARAMS ((uerr_t));
133 int no_proxy_match PARAMS ((const char *, const char **));
135 void convert_links PARAMS ((const char *, urlpos *));
136 urlpos *add_url PARAMS ((urlpos *, const char *, const char *));
138 downloaded_file_t downloaded_file PARAMS ((downloaded_file_t, const char *));