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<a href="#SoupContentSniffer.description" class="shortcut">Description</a>
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<a href="#SoupContentSniffer.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#SoupContentSniffer.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
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<h2><span class="refentrytitle"><a name="SoupContentSniffer.top_of_page"></a>SoupContentSniffer</span></h2>
<p>SoupContentSniffer — Content sniffing for <a class="link" href="SoupSession.html" title="SoupSession"><span class="type">SoupSession</span></a></p>
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<div class="refsynopsisdiv">
<a name="SoupContentSniffer.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <libsoup/soup.h>
<a class="link" href="SoupContentSniffer.html#SoupContentSniffer-struct" title="SoupContentSniffer">SoupContentSniffer</a>;
<a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="returnvalue">SoupContentSniffer</span></a> * <a class="link" href="SoupContentSniffer.html#soup-content-sniffer-new" title="soup_content_sniffer_new ()">soup_content_sniffer_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">char</span> * <a class="link" href="SoupContentSniffer.html#soup-content-sniffer-sniff" title="soup_content_sniffer_sniff ()">soup_content_sniffer_sniff</a> (<em class="parameter"><code><a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a> *sniffer</code></em>,
<em class="parameter"><code><a class="link" href="SoupMessage.html" title="SoupMessage"><span class="type">SoupMessage</span></a> *msg</code></em>,
<em class="parameter"><code><a class="link" href="SoupMessageBody.html#SoupBuffer"><span class="type">SoupBuffer</span></a> *buffer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Hash-Tables.html#GHashTable"><span class="type">GHashTable</span></a> **params</code></em>);
<span class="returnvalue">gsize</span> <a class="link" href="SoupContentSniffer.html#soup-content-sniffer-get-buffer-size" title="soup_content_sniffer_get_buffer_size ()">soup_content_sniffer_get_buffer_size</a>
(<em class="parameter"><code><a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a> *sniffer</code></em>);
</pre>
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<div class="refsect1">
<a name="SoupContentSniffer.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----SoupContentSniffer
</pre>
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<div class="refsect1">
<a name="SoupContentSniffer.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
SoupContentSniffer implements
<a class="link" href="SoupSessionFeature.html" title="SoupSessionFeature">SoupSessionFeature</a> and SoupContentProcessor.</p>
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<div class="refsect1">
<a name="SoupContentSniffer.description"></a><h2>Description</h2>
<p>
A <a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a> tries to detect the actual content type of
the files that are being downloaded by looking at some of the data
before the <a class="link" href="SoupMessage.html" title="SoupMessage"><span class="type">SoupMessage</span></a> emits its <a class="link" href="SoupMessage.html#SoupMessage-got-headers" title='The "got-headers" signal'><span class="type">"got-headers"</span></a> signal.
<a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a> implements <a class="link" href="SoupSessionFeature.html" title="SoupSessionFeature"><span class="type">SoupSessionFeature</span></a>, so you can add
content sniffing to a session with <a class="link" href="SoupSession.html#soup-session-add-feature" title="soup_session_add_feature ()"><code class="function">soup_session_add_feature()</code></a> or
<a class="link" href="SoupSession.html#soup-session-add-feature-by-type" title="soup_session_add_feature_by_type ()"><code class="function">soup_session_add_feature_by_type()</code></a>.
</p>
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<div class="refsect1">
<a name="SoupContentSniffer.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="SoupContentSniffer-struct"></a><h3>SoupContentSniffer</h3>
<pre class="programlisting">typedef struct _SoupContentSniffer SoupContentSniffer;</pre>
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</p>
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<div class="refsect2">
<a name="soup-content-sniffer-new"></a><h3>soup_content_sniffer_new ()</h3>
<pre class="programlisting"><a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="returnvalue">SoupContentSniffer</span></a> * soup_content_sniffer_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Creates a new <a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a>.
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a>
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<p class="since">Since 2.28</p>
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<hr>
<div class="refsect2">
<a name="soup-content-sniffer-sniff"></a><h3>soup_content_sniffer_sniff ()</h3>
<pre class="programlisting"><span class="returnvalue">char</span> * soup_content_sniffer_sniff (<em class="parameter"><code><a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a> *sniffer</code></em>,
<em class="parameter"><code><a class="link" href="SoupMessage.html" title="SoupMessage"><span class="type">SoupMessage</span></a> *msg</code></em>,
<em class="parameter"><code><a class="link" href="SoupMessageBody.html#SoupBuffer"><span class="type">SoupBuffer</span></a> *buffer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Hash-Tables.html#GHashTable"><span class="type">GHashTable</span></a> **params</code></em>);</pre>
<p>
Sniffs <em class="parameter"><code>buffer</code></em> to determine its Content-Type. The result may also
be influenced by the Content-Type declared in <em class="parameter"><code>msg</code></em>'s response
headers.
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<td><p><span class="term"><em class="parameter"><code>sniffer</code></em> :</span></p></td>
<td>a <a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a>
</td>
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<td><p><span class="term"><em class="parameter"><code>msg</code></em> :</span></p></td>
<td>the message to sniff</td>
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<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>a buffer containing the start of <em class="parameter"><code>msg</code></em>'s response body</td>
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<td><p><span class="term"><em class="parameter"><code>params</code></em> :</span></p></td>
<td>return
location for Content-Type parameters (eg, "charset"), or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> utf8 utf8][<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the sniffed Content-Type of <em class="parameter"><code>buffer</code></em>; this will never be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>,
but may be "application/octet-stream".</td>
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<p class="since">Since 2.28</p>
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<hr>
<div class="refsect2">
<a name="soup-content-sniffer-get-buffer-size"></a><h3>soup_content_sniffer_get_buffer_size ()</h3>
<pre class="programlisting"><span class="returnvalue">gsize</span> soup_content_sniffer_get_buffer_size
(<em class="parameter"><code><a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a> *sniffer</code></em>);</pre>
<p>
Gets the number of bytes <em class="parameter"><code>sniffer</code></em> needs in order to properly sniff
a buffer.
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<td><p><span class="term"><em class="parameter"><code>sniffer</code></em> :</span></p></td>
<td>a <a class="link" href="SoupContentSniffer.html" title="SoupContentSniffer"><span class="type">SoupContentSniffer</span></a>
</td>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the number of bytes to sniff</td>
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</tbody>
</table></div>
<p class="since">Since 2.28</p>
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