1/* Declarations for html-parse.c.
2   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
3   2007, 2008, 2009 Free Software Foundation, Inc.
4
5This file is part of GNU Wget.
6
7GNU Wget is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12GNU Wget is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with Wget.  If not, see <http://www.gnu.org/licenses/>.
19
20Additional permission under GNU GPL version 3 section 7
21
22If you modify this program, or any covered work, by linking or
23combining it with the OpenSSL project's OpenSSL library (or a
24modified version of that library), containing parts covered by the
25terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
26grants you additional permission to convey the resulting work.
27Corresponding Source for a non-source form of such a combination
28shall include the source code for the parts of OpenSSL used as well
29as that of the covered work.  */
30
31#ifndef HTML_PARSE_H
32#define HTML_PARSE_H
33
34struct attr_pair {
35  char *name;			/* attribute name */
36  char *value;			/* attribute value */
37
38  /* Needed for URL conversion; the places where the value begins and
39     ends, including the quotes and everything. */
40  const char *value_raw_beginning;
41  int value_raw_size;
42
43  /* Used internally by map_html_tags. */
44  int name_pool_index, value_pool_index;
45};
46
47struct taginfo {
48  char *name;			/* tag name */
49  int end_tag_p;		/* whether this is an end-tag */
50  int nattrs;			/* number of attributes */
51  struct attr_pair *attrs;	/* attributes */
52
53  const char *start_position;	/* start position of tag */
54  const char *end_position;	/* end position of tag */
55
56  const char *contents_begin;   /* delimiters of tag contents */
57  const char *contents_end;     /* only valid if end_tag_p */
58};
59
60struct hash_table;		/* forward declaration */
61
62/* Flags for map_html_tags: */
63#define MHT_STRICT_COMMENTS  1  /* use strict comment interpretation */
64#define MHT_TRIM_VALUES      2  /* trim attribute values, e.g. interpret
65                                   <a href=" foo "> as "foo" */
66
67void map_html_tags (const char *, int,
68		    void (*) (struct taginfo *, void *), void *, int,
69		    const struct hash_table *, const struct hash_table *);
70
71#endif /* HTML_PARSE_H */
72