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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>FsPlugin: Farstream Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
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<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#farstream-libs-FsPlugin.description" class="shortcut">Description</a></span>
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<td><img src="right-insensitive.png" width="16" height="16" border="0"></td>
</tr></table>
<div class="refentry">
<a name="farstream-libs-FsPlugin"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="farstream-libs-FsPlugin.top_of_page"></a>FsPlugin</span></h2>
<p>FsPlugin — A class for defining Farstream plugins</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="farstream-libs-FsPlugin.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">GObject</span> *
</td>
<td class="function_name">
<a class="link" href="farstream-libs-FsPlugin.html#fs-plugin-create-valist" title="fs_plugin_create_valist ()">fs_plugin_create_valist</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GObject</span> *
</td>
<td class="function_name">
<a class="link" href="farstream-libs-FsPlugin.html#fs-plugin-create" title="fs_plugin_create ()">fs_plugin_create</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="farstream-libs-FsPlugin.html#FS-INIT-PLUGIN:CAPS" title="FS_INIT_PLUGIN()">FS_INIT_PLUGIN</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gchar</span> **
</td>
<td class="function_name">
<a class="link" href="farstream-libs-FsPlugin.html#fs-plugin-list-available" title="fs_plugin_list_available ()">fs_plugin_list_available</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="farstream-libs-FsPlugin.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="farstream-libs-FsPlugin.html#FsPlugin" title="struct FsPlugin">FsPlugin</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="farstream-libs-FsPlugin.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;farstream/fs-plugin.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="farstream-libs-FsPlugin.description"></a><h2>Description</h2>
<p>This class is a generic class to load GType plugins based on their name.
With this simple class, you can only have one type per plugin.</p>
</div>
<div class="refsect1">
<a name="farstream-libs-FsPlugin.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="fs-plugin-create-valist"></a><h3>fs_plugin_create_valist ()</h3>
<pre class="programlisting"><span class="returnvalue">GObject</span> *
fs_plugin_create_valist (<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
                         <em class="parameter"><code>const <span class="type">gchar</span> *type_suffix</code></em>,
                         <em class="parameter"><code><span class="type">GError</span> **error</code></em>,
                         <em class="parameter"><code>const <span class="type">gchar</span> *first_property_name</code></em>,
                         <em class="parameter"><code><span class="type">va_list</span> var_args</code></em>);</pre>
<p>Loads the appropriate plugin if necessary and creates a GObject of
the requested type</p>
<div class="refsect3">
<a name="fs-plugin-create-valist.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The name of the plugin to load</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type_suffix</p></td>
<td class="parameter_description"><p>The type of plugin to load (normally "transmitter")</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>location of a <span class="type">GError</span>, or NULL if no error occured</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>first_property_name</p></td>
<td class="parameter_description"><p>The name of the first property to be set on the
object</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>var_args</p></td>
<td class="parameter_description"><p>The rest of the arguments</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="fs-plugin-create-valist.returns"></a><h4>Returns</h4>
<p>The object created (or NULL if there is an error). </p>
<p><span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="fs-plugin-create"></a><h3>fs_plugin_create ()</h3>
<pre class="programlisting"><span class="returnvalue">GObject</span> *
fs_plugin_create (<em class="parameter"><code>const <span class="type">gchar</span> *name</code></em>,
                  <em class="parameter"><code>const <span class="type">gchar</span> *type_suffix</code></em>,
                  <em class="parameter"><code><span class="type">GError</span> **error</code></em>,
                  <em class="parameter"><code>const <span class="type">gchar</span> *first_property_name</code></em>,
                  <em class="parameter"><code>...</code></em>);</pre>
<p>Loads the appropriate plugin if necessary and creates a GObject of
the requested type</p>
<div class="refsect3">
<a name="fs-plugin-create.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The name of the plugin to load</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type_suffix</p></td>
<td class="parameter_description"><p>The type of plugin to load (normally "transmitter")</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>location of a <span class="type">GError</span>, or NULL if no error occured</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>first_property_name</p></td>
<td class="parameter_description"><p>The name of the first property to be set on the
object</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>...</p></td>
<td class="parameter_description"><p>The NULL-terminated list of properties to set on the transmitter</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="fs-plugin-create.returns"></a><h4>Returns</h4>
<p>The object created (or NULL if there is an error). </p>
<p><span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="FS-INIT-PLUGIN:CAPS"></a><h3>FS_INIT_PLUGIN()</h3>
<pre class="programlisting">#define             FS_INIT_PLUGIN(name,type)</pre>
<p>This macro is used to declare Farstream plugins and must be used once
in any farstream plugin.</p>
<div class="refsect3">
<a name="FS-INIT-PLUGIN.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>type_register_func</p></td>
<td class="parameter_description"><p>A function that register a <span class="type">GType</span> and returns it</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="fs-plugin-list-available"></a><h3>fs_plugin_list_available ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> **
fs_plugin_list_available (<em class="parameter"><code>const <span class="type">gchar</span> *type_suffix</code></em>);</pre>
<p>Gets the list of all available plugins of a certain type</p>
<div class="refsect3">
<a name="fs-plugin-list-available.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>type_suffix</p></td>
<td class="parameter_description"><p>Get list of plugins with this type suffix</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="fs-plugin-list-available.returns"></a><h4>Returns</h4>
<p>a newly allocated NULL terminated array of
strings or <code class="literal">NULL</code> if no strings were found.
It should be freed with <code class="function">g_strfreev()</code>. </p>
<p><span class="annotation">[<a href="http://foldoc.org/transfer%20full"><span class="acronym">transfer full</span></a>]</span></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="farstream-libs-FsPlugin.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="FsPlugin"></a><h3>struct FsPlugin</h3>
<pre class="programlisting">struct FsPlugin {
  GTypeModule parent;
};
</pre>
<p>This structure represents a plugin, it is opaque.</p>
<div class="refsect3">
<a name="FsPlugin.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody><tr>
<td class="struct_member_name"><p><span class="type">GTypeModule</span> <em class="structfield"><code><a name="FsPlugin.parent"></a>parent</code></em>;</p></td>
<td class="struct_member_description"><p>the parent object</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
</div>
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