| 1 | /* Declarations for convert.c
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| 2 | Copyright (C) 2003 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is part of GNU Wget.
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| 5 |
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| 6 | GNU Wget is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | GNU Wget is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with Wget; if not, write to the Free Software
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| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 19 |
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| 20 | In addition, as a special exception, the Free Software Foundation
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| 21 | gives permission to link the code of its release of Wget with the
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| 22 | OpenSSL project's "OpenSSL" library (or with modified versions of it
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| 23 | that use the same license as the "OpenSSL" library), and distribute
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| 24 | the linked executables. You must obey the GNU General Public License
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| 25 | in all respects for all of the code used other than "OpenSSL". If you
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| 26 | modify this file, you may extend this exception to your version of the
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| 27 | file, but you are not obligated to do so. If you do not wish to do
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| 28 | so, delete this exception statement from your version. */
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| 29 |
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| 30 | #ifndef CONVERT_H
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| 31 | #define CONVERT_H
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| 32 |
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| 33 | struct hash_table; /* forward decl */
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| 34 | extern struct hash_table *downloaded_html_set;
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| 35 |
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| 36 | enum convert_options {
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| 37 | CO_NOCONVERT = 0, /* don't convert this URL */
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| 38 | CO_CONVERT_TO_RELATIVE, /* convert to relative, e.g. to
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| 39 | "../../otherdir/foo.gif" */
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| 40 | CO_CONVERT_TO_COMPLETE, /* convert to absolute, e.g. to
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| 41 | "http://orighost/somedir/bar.jpg". */
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| 42 | CO_NULLIFY_BASE /* change to empty string. */
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| 43 | };
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| 44 |
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| 45 | struct url;
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| 46 |
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| 47 | /* A structure that defines the whereabouts of a URL, i.e. its
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| 48 | position in an HTML document, etc. */
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| 49 |
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| 50 | struct urlpos {
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| 51 | struct url *url; /* the URL of the link, after it has
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| 52 | been merged with the base */
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| 53 | char *local_name; /* local file to which it was saved
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| 54 | (used by convert_links) */
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| 55 |
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| 56 | /* reserved for special links such as <base href="..."> which are
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| 57 | used when converting links, but ignored when downloading. */
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| 58 | unsigned int ignore_when_downloading :1;
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| 59 |
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| 60 | /* Information about the original link: */
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| 61 |
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| 62 | unsigned int link_relative_p :1; /* the link was relative */
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| 63 | unsigned int link_complete_p :1; /* the link was complete (had host name) */
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| 64 | unsigned int link_base_p :1; /* the url came from <base href=...> */
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| 65 | unsigned int link_inline_p :1; /* needed to render the page */
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| 66 | unsigned int link_expect_html :1; /* expected to contain HTML */
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| 67 |
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| 68 | unsigned int link_refresh_p :1; /* link was received from
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| 69 | <meta http-equiv=refresh content=...> */
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| 70 | int refresh_timeout; /* for reconstructing the refresh. */
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| 71 |
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| 72 | /* Conversion requirements: */
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| 73 | enum convert_options convert; /* is conversion required? */
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| 74 |
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| 75 | /* URL's position in the buffer. */
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| 76 | int pos, size;
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| 77 |
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| 78 | struct urlpos *next; /* next list element */
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| 79 | };
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| 80 |
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| 81 | /* downloaded_file() takes a parameter of this type and returns this type. */
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| 82 | typedef enum
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| 83 | {
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| 84 | /* Return enumerators: */
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| 85 | FILE_NOT_ALREADY_DOWNLOADED = 0,
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| 86 |
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| 87 | /* Return / parameter enumerators: */
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| 88 | FILE_DOWNLOADED_NORMALLY,
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| 89 | FILE_DOWNLOADED_AND_HTML_EXTENSION_ADDED,
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| 90 |
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| 91 | /* Parameter enumerators: */
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| 92 | CHECK_FOR_FILE
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| 93 | } downloaded_file_t;
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| 94 |
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| 95 | downloaded_file_t downloaded_file PARAMS ((downloaded_file_t, const char *));
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| 96 |
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| 97 | void register_download PARAMS ((const char *, const char *));
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| 98 | void register_redirection PARAMS ((const char *, const char *));
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| 99 | void register_html PARAMS ((const char *, const char *));
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| 100 | void register_delete_file PARAMS ((const char *));
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| 101 | void convert_all_links PARAMS ((void));
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| 102 | void convert_cleanup PARAMS ((void));
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| 103 |
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| 104 | char *html_quote_string PARAMS ((const char *));
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| 105 |
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| 106 | #endif /* CONVERT_H */
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