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1/*
2 This file is part of GNUnet.
3 (C) 2009, 2010 Christian Grothoff (and other contributing authors)
4
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
19*/
20
21/*
22 * Code in this file is originally based on the miniupnp library.
23 * Copyright (c) 2005-2008, Thomas BERNARD. All rights reserved.
24 *
25 * Original licence:
26 *
27 * Redistribution and use in source and binary forms, with or without
28 * modification, are permitted provided that the following conditions are met:
29 *
30 * * Redistributions of source code must retain the above copyright notice,
31 * this list of conditions and the following disclaimer.
32 * * Redistributions in binary form must reproduce the above copyright notice,
33 * this list of conditions and the following disclaimer in the documentation
34 * and/or other materials provided with the distribution.
35 * * The name of the author may not be used to endorse or promote products
36 * derived from this software without specific prior written permission.
37 *
38 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
39 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
41 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
42 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
43 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
44 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
45 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
46 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
48 * POSSIBILITY OF SUCH DAMAGE.
49 */
50
51/**
52 * @file nat/upnp-minixml.h
53 * @brief Simple XML parser used by UPnP
54 *
55 * @author Milan Bouchet-Valat
56 */
57
58#ifndef MINIXML_H
59#define MINIXML_H
60
61#define IS_WHITE_SPACE(c) ((c==' ') || (c=='\t') || (c=='\r') || (c=='\n'))
62
63/**
64 * Structure describing the contents and methods that should be
65 * used when running parse_xml();
66 *
67 * If a callback function pointer is set to NULL, the function
68 * is not called */
69struct UPNP_xml_parser_
70{
71 /**
72 * Pointer to the XML data to parse
73 */
74 const char *xml_start;
75
76 /**
77 * Pointer to the last character to parse (optional)
78 */
79 const char *xml_end;
80
81 /**
82 * Size of the data stored at xml_start
83 */
84 int xml_size;
85
86 /**
87 * Pointer to current character (private)
88 */
89 const char *xml;
90
91 /**
92 * Closure for user-provided callback functions
93 */
94 void *cls;
95
96 /**
97 * User function called when reaching the start of an XML element.
98 */
99 void (*start_elt_func) (void *cls, const char *elt, int elt_len);
100
101 /**
102 * User function called when reaching the end of an XML element.
103 */
104 void (*end_elt_func) (void *cls, const char *elt, int elt_len);
105
106 /**
107 * User function called when an XML element data is found.
108 */
109 void (*data_func) (void *cls, const char *data, int data_len);
110
111 /**
112 * User function called for every XML element attribute.
113 */
114 void (*att_func) (void *cls, const char *att_name, int att_name_len,
115 const char *att_value, int att_value_len);
116};
117
118/**
119 * Parse data provided to the xml_parser structure, using
120 * user-provided functions.
121 *
122 * The xmlparser structure must be initialized before the call;
123 * the following structure members have to be set:
124 * xml_start, xml_size, cls, *func.
125 * The xml member is for internal usage, xml_end is computed
126 * automatically.
127 *
128 * @param parser the structure used for parsing */
129void UPNP_parse_xml_ (struct UPNP_xml_parser_ *parser);
130
131#endif