mirror of
https://github.com/cookiengineer/audacity
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68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/* -*- Mode: c; c-basic-offset: 2 -*-
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*
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* rdf_stream_internal.h - Internal RDF Stream definitions
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*
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* Copyright (C) 2000-2008, David Beckett http://www.dajobe.org/
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* Copyright (C) 2000-2005, 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_STREAM_INTERNAL_H
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#define LIBRDF_STREAM_INTERNAL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* used in map_list below */
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typedef struct {
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void *context; /* context to pass on to map */
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librdf_stream_map_handler fn;
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librdf_stream_map_free_context_handler free_context;
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} librdf_stream_map;
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struct librdf_stream_s {
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librdf_world *world;
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void *context;
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int is_finished; /* 1 when have no more statements */
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int is_updated; /* 1 when we know there is a current item */
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int is_updating; /* 1 when are in the middle of update process */
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/* Used when mapping */
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librdf_statement *current;
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librdf_list *map_list; /* non-empty means there is a list of maps */
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int (*is_end_method)(void*);
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int (*next_method)(void*);
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void* (*get_method)(void*, int); /* flags: type of get */
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void (*finished_method)(void*);
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};
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/* FIXME - should all short lists be enums */
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#define LIBRDF_STREAM_GET_METHOD_GET_OBJECT LIBRDF_ITERATOR_GET_METHOD_GET_OBJECT
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#define LIBRDF_STREAM_GET_METHOD_GET_CONTEXT LIBRDF_ITERATOR_GET_METHOD_GET_CONTEXT
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librdf_statement* librdf_stream_statement_find_map(librdf_stream *stream, void* context, librdf_statement* statement);
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#ifdef __cplusplus
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}
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#endif
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#endif
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