1 /* librepo - A library providing (libcURL like) API to downloading repository
2  * Copyright (C) 2013  Tomas Mlcoch
3  *
4  * Licensed under the GNU Lesser General Public License Version 2.1
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library 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 GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef __LR_XMLPARSER_H__
22 #define __LR_XMLPARSER_H__
23 
24 #include <glib.h>
25 
26 G_BEGIN_DECLS
27 
28 /** \defgroup xmlparser     Common stuff for XML parsers in Librepo (datatypes, etc.)
29  *  \addtogroup xmlparser
30  *  @{
31  */
32 
33 #define LR_CB_RET_OK    0 /*!< Return value for callbacks signalizing success */
34 #define LR_CB_RET_ERR   1 /*!< Return value for callbacks signalizing error */
35 
36 /** Type of warnings reported by parsers by the warning callback.
37  */
38 typedef enum {
39     LR_XML_WARNING_UNKNOWNTAG,  /*!< Unknown tag */
40     LR_XML_WARNING_MISSINGATTR, /*!< Missing attribute */
41     LR_XML_WARNING_UNKNOWNVAL,  /*!< Unknown tag or attribute value */
42     LR_XML_WARNING_BADATTRVAL,  /*!< Bad attribute value */
43     LR_XML_WARNING_MISSINGVAL,  /*!< Missing tag value */
44     LR_XML_WARNING_SENTINEL,
45 } LrXmlParserWarningType;
46 
47 /** Callback for XML parser warnings. All reported warnings are non-fatal,
48  * and ignored by default. But if callback return LR_CB_RET_ERR instead of
49  * LR_CB_RET_OK then parsing is immediately interrupted.
50  * @param type      Type of warning
51  * @param msg       Warning msg. The message is destroyed after the call.
52  *                  If you want to use the message later, you have to copy it.
53  * @param cbdata    User data.
54  * @param err       GError **
55  * @return          LR_CB_RET_OK (0) or LR_CB_RET_ERR (1) - stops the parsing
56  */
57 typedef int (*LrXmlParserWarningCb)(LrXmlParserWarningType type,
58                                      char *msg,
59                                      void *cbdata,
60                                      GError **err);
61 
62 /** @} */
63 
64 G_END_DECLS
65 
66 #endif
67