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https://github.com/cookiengineer/audacity
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130 lines
5.1 KiB
C
130 lines
5.1 KiB
C
/* -*- Mode: c; c-basic-offset: 2 -*-
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*
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* rdf_query.h - RDF Query Adaptor Factory and Query interfaces and definitions
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*
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* Copyright (C) 2002-2008, David Beckett http://www.dajobe.org/
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* Copyright (C) 2002-2005, University of Bristol, UK http://www.bristol.ac.uk/
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*
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* This package is Free Software and part of Redland http://librdf.org/
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*
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* It is licensed under the following three licenses as alternatives:
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* 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
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* 2. GNU General Public License (GPL) V2 or any newer version
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* 3. Apache License, V2.0 or any newer version
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*
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* You may not use this file except in compliance with at least one of
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* the above three licenses.
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*
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* See LICENSE.html or LICENSE.txt at the top of this package for the
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* complete terms and further detail along with the license texts for
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* the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
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*
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*
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*/
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#ifndef LIBRDF_QUERY_H
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#define LIBRDF_QUERY_H
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#ifdef LIBRDF_INTERNAL
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#include <rdf_query_internal.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* class methods */
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REDLAND_API
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void librdf_query_register_factory(librdf_world *world, const char *name, const unsigned char *uri_string, void (*factory) (librdf_query_factory*));
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/* constructor */
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REDLAND_API
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librdf_query* librdf_new_query(librdf_world* world, const char *name, librdf_uri* uri, const unsigned char *query_string, librdf_uri* base_uri);
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REDLAND_API
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librdf_query* librdf_new_query_from_query (librdf_query* old_query);
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REDLAND_API
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librdf_query* librdf_new_query_from_factory(librdf_world* world, librdf_query_factory* factory, const char *name, librdf_uri* uri, const unsigned char* query_string, librdf_uri* base_uri);
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/* destructor */
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REDLAND_API
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void librdf_free_query(librdf_query *query);
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/* methods */
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REDLAND_API
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librdf_query_results* librdf_query_execute(librdf_query* query, librdf_model *model);
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REDLAND_API
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int librdf_query_get_limit(librdf_query *query);
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REDLAND_API
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int librdf_query_set_limit(librdf_query *query, int limit);
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REDLAND_API
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int librdf_query_get_offset(librdf_query *query);
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REDLAND_API
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int librdf_query_set_offset(librdf_query *query, int offset);
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REDLAND_API
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librdf_stream* librdf_query_results_as_stream(librdf_query_results* query_results);
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REDLAND_API
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int librdf_query_results_get_count(librdf_query_results* query_results);
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REDLAND_API
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int librdf_query_results_next(librdf_query_results* query_results);
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REDLAND_API
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int librdf_query_results_finished(librdf_query_results* query_results);
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REDLAND_API
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int librdf_query_results_get_bindings(librdf_query_results* query_results, const char ***names, librdf_node **values);
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REDLAND_API
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librdf_node* librdf_query_results_get_binding_value(librdf_query_results* query_results, int offset);
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REDLAND_API
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const char* librdf_query_results_get_binding_name(librdf_query_results* query_results, int offset);
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REDLAND_API
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librdf_node* librdf_query_results_get_binding_value_by_name(librdf_query_results* query_results, const char *name);
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REDLAND_API
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int librdf_query_results_get_bindings_count(librdf_query_results* query_results);
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REDLAND_API
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unsigned char* librdf_query_results_to_counted_string(librdf_query_results *query_results, librdf_uri *format_uri, librdf_uri *base_uri, size_t *length_p);
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REDLAND_API
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unsigned char* librdf_query_results_to_string(librdf_query_results *query_results, librdf_uri *format_uri, librdf_uri *base_uri);
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REDLAND_API
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int librdf_query_results_to_file_handle(librdf_query_results *query_results, FILE *handle, librdf_uri *format_uri, librdf_uri *base_uri);
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REDLAND_API
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int librdf_query_results_to_file(librdf_query_results *query_results, const char *name, librdf_uri *format_uri, librdf_uri *base_uri);
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REDLAND_API
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void librdf_free_query_results(librdf_query_results* query_results);
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REDLAND_API
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int librdf_query_results_is_bindings(librdf_query_results *query_results);
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REDLAND_API
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int librdf_query_results_is_boolean(librdf_query_results *query_results);
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REDLAND_API
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int librdf_query_results_is_graph(librdf_query_results *query_results);
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REDLAND_API
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int librdf_query_results_is_syntax(librdf_query_results* query_results);
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REDLAND_API
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int librdf_query_results_get_boolean(librdf_query_results *query_results);
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/* query results formatter class */
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REDLAND_API
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librdf_query_results_formatter* librdf_new_query_results_formatter(librdf_query_results* query_results, const char *name, librdf_uri* uri);
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REDLAND_API
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librdf_query_results_formatter* librdf_new_query_results_formatter_by_mime_type(librdf_query_results* query_results, const char *mime_type);
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REDLAND_API
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void librdf_free_query_results_formatter(librdf_query_results_formatter* formatter);
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REDLAND_API
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int librdf_query_results_formatter_write(raptor_iostream *iostr, librdf_query_results_formatter* formatter, librdf_query_results* results, librdf_uri *base_uri);
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REDLAND_API
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int librdf_query_results_formats_check(librdf_world* world, const char *name, librdf_uri* uri, const char *mime_type);
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REDLAND_API
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int librdf_query_results_formats_enumerate(librdf_world* world, const unsigned int counter, const char **name, const char **label, const unsigned char **uri_string, const char **mime_type);
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#ifdef __cplusplus
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}
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#endif
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#endif
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