2 This file is part of GNUnet.
3 (C) 2009, 2010 Christian Grothoff (and other contributing authors)
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.
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.
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.
22 * Code in this file is originally based on the miniupnp library.
23 * Copyright (c) 2005-2009, Thomas BERNARD. All rights reserved.
27 * Redistribution and use in source and binary forms, with or without
28 * modification, are permitted provided that the following conditions are met:
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.
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.
53 * @brief Simple XML parser used by UPnP
55 * @author Milan Bouchet-Valat
59 #include "gnunet_util_lib.h"
60 #include "upnp-minixml.h"
63 * Used to parse the argument list.
65 * @returns GNUNET_OK on success, or GNUNET_SYSERR if the end
66 * of the xmlbuffer is reached
69 parse_att (struct UPNP_xml_parser_ *p)
73 const char *att_value;
75 while (p->xml < p->xml_end)
77 if (*p->xml == '/' || *p->xml == '>')
79 if (!IS_WHITE_SPACE (*p->xml))
84 while (*p->xml != '=' && !IS_WHITE_SPACE (*p->xml))
88 if (p->xml >= p->xml_end)
91 while (*(p->xml++) != '=')
93 if (p->xml >= p->xml_end)
96 while (IS_WHITE_SPACE (*p->xml))
99 if (p->xml >= p->xml_end)
100 return GNUNET_SYSERR;
103 if (sep == '\'' || sep == '\"')
106 if (p->xml >= p->xml_end)
107 return GNUNET_SYSERR;
110 while (*p->xml != sep)
114 if (p->xml >= p->xml_end)
115 return GNUNET_SYSERR;
122 while (!IS_WHITE_SPACE (*p->xml)
123 && *p->xml != '>' && *p->xml != '/')
127 if (p->xml >= p->xml_end)
128 return GNUNET_SYSERR;
133 p->att_func (p->cls, att_name, att_name_len, att_value,
138 return GNUNET_SYSERR;
142 * Parse the xml stream and call the callback
143 * functions when needed...
146 parse_elt (struct UPNP_xml_parser_ *p)
149 const char *element_name;
150 while (p->xml < (p->xml_end - 1))
153 if ((p->xml)[0] == '<' && (p->xml)[1] != '?')
156 element_name = ++p->xml;
157 while (!IS_WHITE_SPACE (*p->xml)
158 && (*p->xml != '>') && (*p->xml != '/'))
162 if (p->xml >= p->xml_end)
164 /* to ignore namespace : */
168 element_name = ++p->xml;
172 /* Start of element */
175 if (p->start_elt_func)
176 p->start_elt_func (p->cls, element_name, i);
177 if (parse_att (p) != GNUNET_OK)
184 if (p->xml >= p->xml_end)
186 while (IS_WHITE_SPACE (*p->xml))
189 if (p->xml >= p->xml_end)
192 while (*p->xml != '<')
196 if (p->xml >= p->xml_end)
199 if (i > 0 && p->data_func)
200 p->data_func (p->cls, data, i);
204 else if (*p->xml == '/')
207 element_name = ++p->xml;
208 if (p->xml >= p->xml_end)
210 while ((*p->xml != '>'))
214 if (p->xml >= p->xml_end)
218 p->end_elt_func (p->cls, element_name, i);
230 * Parse XML content according to the values stored in the parser struct.
231 * The parser must be initialized before calling this function
234 UPNP_parse_xml_ (struct UPNP_xml_parser_ *parser)
236 parser->xml = parser->xml_start;
237 parser->xml_end = parser->xml_start + parser->xml_size;