/usr/include/rdf_stream.h is in librdf0-dev 1.0.17-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /* -*- Mode: c; c-basic-offset: 2 -*-
*
* rdf_stream.h - RDF Stream interface and definitions
*
* Copyright (C) 2000-2008, David Beckett http://www.dajobe.org/
* Copyright (C) 2000-2004, University of Bristol, UK http://www.bristol.ac.uk/
*
* This package is Free Software and part of Redland http://librdf.org/
*
* It is licensed under the following three licenses as alternatives:
* 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
* 2. GNU General Public License (GPL) V2 or any newer version
* 3. Apache License, V2.0 or any newer version
*
* You may not use this file except in compliance with at least one of
* the above three licenses.
*
* See LICENSE.html or LICENSE.txt at the top of this package for the
* complete terms and further detail along with the license texts for
* the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
*
*
*/
#ifndef LIBRDF_STREAM_H
#define LIBRDF_STREAM_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* librdf_stream_map_handler:
* @stream: Stream that this map is operating over.
* @map_context: Map data context pointer.
* @item: Pointer to the current item in the iteration.
*
* Map function for a #librdf_stream map operation.
*
* See librdf_stream_add_map().
*
* Returns: item in keep the iteration or NULL to remove it
*/
typedef librdf_statement* (*librdf_stream_map_handler)(librdf_stream *stream, void *map_context, librdf_statement *item);
/**
* librdf_stream_map_free_context_handler:
* @map_context: Map data context pointer.
*
* Free handler function for a #librdf_stream map operation.
*
* See librdf_stream_add_map().
*/
typedef void (*librdf_stream_map_free_context_handler)(void *map_context);
#ifdef LIBRDF_INTERNAL
#include <rdf_stream_internal.h>
#endif
/**
* librdf_stream_get_method_flags:
* @LIBRDF_STREAM_GET_METHOD_GET_OBJECT: get object from iterator - implementing librdf_stream_get_object()
* @LIBRDF_STREAM_GET_METHOD_GET_CONTEXT: get context from iterator - implementing librdf_stream_get_context()
*
* Flags for librdf_new_stream() get_method function pointer.
*/
typedef enum {
LIBRDF_STREAM_GET_METHOD_GET_OBJECT = LIBRDF_ITERATOR_GET_METHOD_GET_OBJECT,
LIBRDF_STREAM_GET_METHOD_GET_CONTEXT = LIBRDF_ITERATOR_GET_METHOD_GET_CONTEXT
} librdf_stream_get_method_flags;
/* constructor */
REDLAND_API
librdf_stream* librdf_new_stream(librdf_world *world, void* context, int (*is_end_method)(void*), int (*next_method)(void*), void* (*get_method)(void*, int), void (*finished_method)(void*));
REDLAND_API
librdf_stream* librdf_new_stream_from_node_iterator(librdf_iterator* iterator, librdf_statement* statement, librdf_statement_part field);
/* destructor */
REDLAND_API
void librdf_free_stream(librdf_stream* stream);
/* methods */
REDLAND_API
int librdf_stream_end(librdf_stream* stream);
REDLAND_API
int librdf_stream_next(librdf_stream* stream);
REDLAND_API
librdf_statement* librdf_stream_get_object(librdf_stream* stream);
REDLAND_API
librdf_node* librdf_stream_get_context2(librdf_stream* stream);
REDLAND_API REDLAND_DEPRECATED
void* librdf_stream_get_context(librdf_stream* stream);
REDLAND_API
int librdf_stream_add_map(librdf_stream* stream, librdf_stream_map_handler map_function, librdf_stream_map_free_context_handler free_context, void *map_context);
REDLAND_API REDLAND_DEPRECATED
void librdf_stream_print(librdf_stream *stream, FILE *fh);
REDLAND_API
int librdf_stream_write(librdf_stream *stream, raptor_iostream *iostr);
REDLAND_API
librdf_stream* librdf_new_empty_stream(librdf_world *world);
#ifdef __cplusplus
}
#endif
#endif
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