1 /* Declarations for url.c.
2 Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
4 This file is part of Wget.
6 This program 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 This program 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 this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
23 /* If the string contains unsafe characters, duplicate it with
24 encode_string, otherwise just copy it with strdup. */
25 #define CLEANDUP(x) (contains_unsafe (x) ? encode_string (x) : xstrdup (x))
27 /* Structure containing info on a URL. */
30 char *url; /* Unchanged URL */
31 uerr_t proto; /* URL protocol */
32 char *host; /* Extracted hostname */
35 char *path, *dir, *file; /* Path, as well as dir and file
37 char *user, *passwd; /* Username and password */
38 struct urlinfo *proxy; /* The exact string to pass to proxy
40 char *referer; /* The source from which the request
42 char *local; /* The local filename of the URL
48 URELATIVE = 0x0001, /* Is URL relative? */
49 UNOPROTO = 0x0002, /* Is URL without a protocol? */
50 UABS2REL = 0x0004, /* Convert absolute to relative? */
51 UREL2ABS = 0x0008 /* Convert relative to absolute? */
54 /* A structure that defines the whereabouts of a URL, i.e. its
55 position in an HTML document, etc. */
56 typedef struct _urlpos
59 char *local_name; /* Local file to which it was saved */
60 enum uflags flags; /* Various flags */
61 int pos, size; /* Relative position in the buffer */
62 struct _urlpos *next; /* Next struct in list */
66 /* Function declarations */
68 int skip_url PARAMS ((const char *));
70 int contains_unsafe PARAMS ((const char *));
71 char *encode_string PARAMS ((const char *));
73 struct urlinfo *newurl PARAMS ((void));
74 void freeurl PARAMS ((struct urlinfo *, int));
75 uerr_t urlproto PARAMS ((const char *));
76 int skip_proto PARAMS ((const char *));
77 int skip_uname PARAMS ((const char *));
79 uerr_t parseurl PARAMS ((const char *, struct urlinfo *, int));
80 char *str_url PARAMS ((const struct urlinfo *, int));
81 int url_equal PARAMS ((const char *, const char *));
83 urlpos *get_urls_file PARAMS ((const char *));
84 urlpos *get_urls_html PARAMS ((const char *, const char *, int));
85 void free_urlpos PARAMS ((urlpos *));
87 void rotate_backups PARAMS ((const char *));
88 int mkalldirs PARAMS ((const char *));
89 char *url_filename PARAMS ((const struct urlinfo *));
90 void opt_url PARAMS ((struct urlinfo *));
92 char *getproxy PARAMS ((uerr_t));
93 int no_proxy_match PARAMS ((const char *, const char **));
95 void convert_links PARAMS ((const char *, urlpos *));
96 urlpos *add_url PARAMS ((urlpos *, const char *, const char *));