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<div class="section" title="Parser features">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="tutorial-parser-features"></a>Parser features</h2></div></div></div>
<p>There are several options that can be set on parsers, called
<span class="emphasis"><em>features</em></span>. The exact list of features can be
found via
<a class="link" href="tutorial-querying-functionality.html" title="Listing built-in functionality">Querying Functionality</a>
or in the API reference for
<a class="link" href="raptor-section-parser.html#raptor-set-feature" title="raptor_set_feature ()"><code class="function">raptor_set_feature()</code></a>. (This should be properly called <code class="function">raptor_parser_set_feature()</code> as
it only applies to <code class="literal">raptor_parser</code> objects).
</p>
<p>Features are integer enumerations of the
<a class="link" href="raptor-section-feature.html#raptor-feature" title="enum raptor_feature"><span class="type">raptor_feature</span></a> enum and have values
that are either integers (often acting as booleans) or strings.
The two functions that set features are:
</p>
<pre class="programlisting">
/* Set an integer (or boolean) valued feature */
raptor_set_feature(rdf_parser, feature, 1);
/* Set a string valued feature */
raptor_set_feature_string(rdf_parser, feature, "abc");
</pre>
<p>
</p>
<p>
There are also two corresponding functions for reading the values of parser
features:
<a class="link" href="raptor-section-parser.html#raptor-get-feature" title="raptor_get_feature ()"><code class="function">raptor_get_feature()</code></a>
and
<code class="function">raptor_get_feature_string()</code>
taken the feature enumeration parameter and returning the integer or string
value correspondingly.
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