librasqal3-doc 0.9.32-1build1 / usr / share / gtk-doc / html / rasqal / rasqal-section-triple.html

This file is indexed.

/usr/share/gtk-doc/html/rasqal/rasqal-section-triple.html is in librasqal3-doc 0.9.32-1build1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below. 

  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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Triples</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
<link rel="home" href="index.html" title="Rasqal RDF Query Library Manual">
<link rel="up" href="reference-manual.html" title="Part I. Reference Manual">
<link rel="prev" href="rasqal-section-service.html" title="Service">
<link rel="next" href="rasqal-section-triples-source.html" title="Triples Source">
<meta name="generator" content="GTK-Doc V1.18 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2">
<tr valign="middle">
<td><a accesskey="p" href="rasqal-section-service.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
<td><a accesskey="u" href="reference-manual.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
<th width="100%" align="center">Rasqal RDF Query Library Manual</th>
<td><a accesskey="n" href="rasqal-section-triples-source.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
</tr>
<tr><td colspan="5" class="shortcuts">
<a href="#rasqal-section-triple.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#rasqal-section-triple.description" class="shortcut">Description</a>
</td></tr>
</table>
<div class="refentry">
<a name="rasqal-section-triple"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="rasqal-section-triple.top_of_page"></a>Triples</span></h2>
<p>Triples — Triple pattern or RDF triple.</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="rasqal-section-triple.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">                    <a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple">rasqal_triple</a>;
<a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="returnvalue">rasqal_triple</span></a> *     <a class="link" href="rasqal-section-triple.html#rasqal-new-triple" title="rasqal_new_triple ()">rasqal_new_triple</a>                   (<em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *subject</code></em>,
                                                         <em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *predicate</code></em>,
                                                         <em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *object</code></em>);
<a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="returnvalue">rasqal_triple</span></a> *     <a class="link" href="rasqal-section-triple.html#rasqal-new-triple-from-triple" title="rasqal_new_triple_from_triple ()">rasqal_new_triple_from_triple</a>       (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="rasqal-section-triple.html#rasqal-free-triple" title="rasqal_free_triple ()">rasqal_free_triple</a>                  (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>);
<a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="returnvalue">rasqal_literal</span></a> *    <a class="link" href="rasqal-section-triple.html#rasqal-triple-get-origin" title="rasqal_triple_get_origin ()">rasqal_triple_get_origin</a>            (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>);
enum                <a class="link" href="rasqal-section-triple.html#rasqal-triple-parts" title="enum rasqal_triple_parts">rasqal_triple_parts</a>;
<span class="returnvalue">int</span>                 <a class="link" href="rasqal-section-triple.html#rasqal-triple-print" title="rasqal_triple_print ()">rasqal_triple_print</a>                 (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>,
                                                         <em class="parameter"><code><span class="type">FILE</span> *fh</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="rasqal-section-triple.html#rasqal-triple-set-origin" title="rasqal_triple_set_origin ()">rasqal_triple_set_origin</a>            (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>,
                                                         <em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *l</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="rasqal-section-triple.description"></a><h2>Description</h2>
<p>
An object for a triple pattern or an RDF triple in a query.  It
contains the three parts of an RDF triple - subject, predicate,
object as well as origin for matching triples in some graph (such as
with the SPARQL <code class="literal">GRAPH</code>).
</p>
</div>
<div class="refsect1">
<a name="rasqal-section-triple.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="rasqal-triple"></a><h3>rasqal_triple</h3>
<pre class="programlisting">typedef struct {
  rasqal_literal* subject;
  rasqal_literal* predicate;
  rasqal_literal* object;
  rasqal_literal* origin;
  unsigned int flags;
} rasqal_triple;
</pre>
<p>
A triple pattern or RDF triple.
</p>
<p>
This is used as a triple pattern in queries and
an RDF triple when generating RDF triples such as with SPARQL CONSTRUCT.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *<em class="structfield"><code><a name="rasqal-triple.subject"></a>subject</code></em>;</span></p></td>
<td>Triple subject.</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *<em class="structfield"><code><a name="rasqal-triple.predicate"></a>predicate</code></em>;</span></p></td>
<td>Triple predicate.</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *<em class="structfield"><code><a name="rasqal-triple.object"></a>object</code></em>;</span></p></td>
<td>Triple object.</td>
</tr>
<tr>
<td><p><span class="term"><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *<em class="structfield"><code><a name="rasqal-triple.origin"></a>origin</code></em>;</span></p></td>
<td>Triple origin.</td>
</tr>
<tr>
<td><p><span class="term">unsigned <span class="type">int</span> <em class="structfield"><code><a name="rasqal-triple.flags"></a>flags</code></em>;</span></p></td>
<td>Or of enum <span class="type">rasqal_triple_flags</span> bits.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-new-triple"></a><h3>rasqal_new_triple ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="returnvalue">rasqal_triple</span></a> *     rasqal_new_triple                   (<em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *subject</code></em>,
                                                         <em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *predicate</code></em>,
                                                         <em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *object</code></em>);</pre>
<p>
Constructor - create a new <a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> triple or triple pattern.
Takes ownership of the literals passed in.
</p>
<p>
The triple origin can be set with <a class="link" href="rasqal-section-triple.html#rasqal-triple-set-origin" title="rasqal_triple_set_origin ()"><code class="function">rasqal_triple_set_origin()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>subject</code></em> :</span></p></td>
<td>Triple subject.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>predicate</code></em> :</span></p></td>
<td>Triple predicate.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>object</code></em> :</span></p></td>
<td>Triple object.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> or NULL on failure.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-new-triple-from-triple"></a><h3>rasqal_new_triple_from_triple ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="returnvalue">rasqal_triple</span></a> *     rasqal_new_triple_from_triple       (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>);</pre>
<p>
Copy constructor - create a new <a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> from an existing one.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>t</code></em> :</span></p></td>
<td>Triple to copy.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> or NULL on failure.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-free-triple"></a><h3>rasqal_free_triple ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                rasqal_free_triple                  (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>);</pre>
<p>
Destructor - destroy a <a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> object.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>t</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> object.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-triple-get-origin"></a><h3>rasqal_triple_get_origin ()</h3>
<pre class="programlisting"><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="returnvalue">rasqal_literal</span></a> *    rasqal_triple_get_origin            (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>);</pre>
<p>
Get the origin field of a <a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>t</code></em> :</span></p></td>
<td>The triple object.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The triple origin or NULL.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-triple-parts"></a><h3>enum rasqal_triple_parts</h3>
<pre class="programlisting">typedef enum {
  RASQAL_TRIPLE_NONE     = 0,
  RASQAL_TRIPLE_SUBJECT  = 1,
  RASQAL_TRIPLE_PREDICATE= 2,
  RASQAL_TRIPLE_OBJECT   = 4,
  RASQAL_TRIPLE_ORIGIN   = 8,
  RASQAL_TRIPLE_GRAPH    = RASQAL_TRIPLE_ORIGIN,
  RASQAL_TRIPLE_SPO      = RASQAL_TRIPLE_SUBJECT | RASQAL_TRIPLE_PREDICATE | RASQAL_TRIPLE_OBJECT,
  RASQAL_TRIPLE_SPOG     = RASQAL_TRIPLE_SPO | RASQAL_TRIPLE_GRAPH
} rasqal_triple_parts;
</pre>
<p>
Flags for parts of a triple.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="RASQAL-TRIPLE-NONE:CAPS"></a><span class="term"><code class="literal">RASQAL_TRIPLE_NONE</code></span></p></td>
<td>no parts
</td>
</tr>
<tr>
<td><p><a name="RASQAL-TRIPLE-SUBJECT:CAPS"></a><span class="term"><code class="literal">RASQAL_TRIPLE_SUBJECT</code></span></p></td>
<td>Subject present in a triple.
</td>
</tr>
<tr>
<td><p><a name="RASQAL-TRIPLE-PREDICATE:CAPS"></a><span class="term"><code class="literal">RASQAL_TRIPLE_PREDICATE</code></span></p></td>
<td>Predicate present in a triple.
</td>
</tr>
<tr>
<td><p><a name="RASQAL-TRIPLE-OBJECT:CAPS"></a><span class="term"><code class="literal">RASQAL_TRIPLE_OBJECT</code></span></p></td>
<td>Object present in a triple.
</td>
</tr>
<tr>
<td><p><a name="RASQAL-TRIPLE-ORIGIN:CAPS"></a><span class="term"><code class="literal">RASQAL_TRIPLE_ORIGIN</code></span></p></td>
<td>Origin/graph present in a triple.
</td>
</tr>
<tr>
<td><p><a name="RASQAL-TRIPLE-GRAPH:CAPS"></a><span class="term"><code class="literal">RASQAL_TRIPLE_GRAPH</code></span></p></td>
<td>Alias for RASQAL_TRIPLE_ORIGIN
</td>
</tr>
<tr>
<td><p><a name="RASQAL-TRIPLE-SPO:CAPS"></a><span class="term"><code class="literal">RASQAL_TRIPLE_SPO</code></span></p></td>
<td>Subject, Predicate and Object present in a triple.
</td>
</tr>
<tr>
<td><p><a name="RASQAL-TRIPLE-SPOG:CAPS"></a><span class="term"><code class="literal">RASQAL_TRIPLE_SPOG</code></span></p></td>
<td>Subject, Predicate, Object, Graph present in a triple.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-triple-print"></a><h3>rasqal_triple_print ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>                 rasqal_triple_print                 (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>,
                                                         <em class="parameter"><code><span class="type">FILE</span> *fh</code></em>);</pre>
<p>
Print a Rasqal triple in a debug format.
</p>
<p>
The print debug format may change in any release.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>t</code></em> :</span></p></td>
<td>
<a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>fh</code></em> :</span></p></td>
<td>The FILE* handle to print to.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>non-0 on failure</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="rasqal-triple-set-origin"></a><h3>rasqal_triple_set_origin ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                rasqal_triple_set_origin            (<em class="parameter"><code><a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a> *t</code></em>,
                                                         <em class="parameter"><code><a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> *l</code></em>);</pre>
<p>
Set the origin field of a <a class="link" href="rasqal-section-triple.html#rasqal-triple" title="rasqal_triple"><span class="type">rasqal_triple</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>t</code></em> :</span></p></td>
<td>The triple object.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>l</code></em> :</span></p></td>
<td>The <a class="link" href="rasqal-section-literal.html#rasqal-literal" title="rasqal_literal"><span class="type">rasqal_literal</span></a> object to set as origin.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="footer">
<hr>
          Generated by GTK-Doc V1.18</div>
</body>
</html>

APT Browse - Built by Thomas Orozco.