SLV2  0.6.6
query.h
1 /* SLV2
2  * Copyright (C) 2008-2009 Dave Robillard <http://drobilla.net>
3  *
4  * This library is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License as published by the Free
6  * Software Foundation; either version 2 of the License, or (at your option)
7  * any later version.
8  *
9  * This library is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12  * for more details.
13  *
14  * You should have received a copy of the GNU General Public License along
15  * with this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #ifndef __SLV2_QUERY_H__
20 #define __SLV2_QUERY_H__
21 
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25 
33 SLV2Results
34 slv2_plugin_query_sparql(SLV2Plugin plugin,
35  const char* sparql_str);
36 
37 
40 void
41 slv2_results_free(SLV2Results results);
42 
43 
49 unsigned
50 slv2_results_size(SLV2Results results);
51 
52 
55 bool
56 slv2_results_finished(SLV2Results results);
57 
58 
64 SLV2Value
65 slv2_results_get_binding_value(SLV2Results results, unsigned index);
66 
67 
73 SLV2Value
74 slv2_results_get_binding_value_by_name(SLV2Results results, const char* name);
75 
76 
81 const char*
82 slv2_results_get_binding_name(SLV2Results results, unsigned index);
83 
84 
87 void
88 slv2_results_next(SLV2Results results);
89 
90 
93 #ifdef __cplusplus
94 } /* extern "C" */
95 #endif
96 
97 #endif /* __SLV2_QUERY_H__ */
bool slv2_results_finished(SLV2Results results)
Return true iff the end of results has been reached.
const char * slv2_results_get_binding_name(SLV2Results results, unsigned index)
Return the name of a binding in results.
SLV2Value slv2_results_get_binding_value(SLV2Results results, unsigned index)
Return a binding in results by index.
SLV2Results slv2_plugin_query_sparql(SLV2Plugin plugin, const char *sparql_str)
Query a plugin with an arbitrary SPARQL string.
void slv2_results_next(SLV2Results results)
Increment results to the next match.
unsigned slv2_results_size(SLV2Results results)
Return the number of matches in results.
SLV2Value slv2_results_get_binding_value_by_name(SLV2Results results, const char *name)
Return a binding in results by name.
void slv2_results_free(SLV2Results results)
Free query results.

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