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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#liblangtag-Database.description" class="shortcut">Description</a>
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<h2><span class="refentrytitle"><a name="liblangtag-Database.top_of_page"></a>Database</span></h2>
<p>Database — convenient function sets to deal with the language tags database</p>
</td>
<td valign="top" align="right"></td>
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<div class="refsynopsisdiv">
<a name="liblangtag-Database.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis"><span class="returnvalue">void</span> <a class="link" href="liblangtag-Database.html#lt-db-finalize" title="lt_db_finalize ()">lt_db_finalize</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
const <span class="returnvalue">char</span> * <a class="link" href="liblangtag-Database.html#lt-db-get-datadir" title="lt_db_get_datadir ()">lt_db_get_datadir</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="liblangtag-Database---Extlang.html#lt-extlang-db-t" title="lt_extlang_db_t"><span class="returnvalue">lt_extlang_db_t</span></a> * <a class="link" href="liblangtag-Database.html#lt-db-get-extlang" title="lt_db_get_extlang ()">lt_db_get_extlang</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="liblangtag-Database---Grandfathered.html#lt-grandfathered-db-t" title="lt_grandfathered_db_t"><span class="returnvalue">lt_grandfathered_db_t</span></a> * <a class="link" href="liblangtag-Database.html#lt-db-get-grandfathered" title="lt_db_get_grandfathered ()">lt_db_get_grandfathered</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="liblangtag-Database---Language.html#lt-lang-db-t" title="lt_lang_db_t"><span class="returnvalue">lt_lang_db_t</span></a> * <a class="link" href="liblangtag-Database.html#lt-db-get-lang" title="lt_db_get_lang ()">lt_db_get_lang</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="liblangtag-Database---Redundant.html#lt-redundant-db-t" title="lt_redundant_db_t"><span class="returnvalue">lt_redundant_db_t</span></a> * <a class="link" href="liblangtag-Database.html#lt-db-get-redundant" title="lt_db_get_redundant ()">lt_db_get_redundant</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="liblangtag-Database---Region.html#lt-region-db-t" title="lt_region_db_t"><span class="returnvalue">lt_region_db_t</span></a> * <a class="link" href="liblangtag-Database.html#lt-db-get-region" title="lt_db_get_region ()">lt_db_get_region</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="liblangtag-Database---Script.html#lt-script-db-t" title="lt_script_db_t"><span class="returnvalue">lt_script_db_t</span></a> * <a class="link" href="liblangtag-Database.html#lt-db-get-script" title="lt_db_get_script ()">lt_db_get_script</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="liblangtag-Database---Variant.html#lt-variant-db-t" title="lt_variant_db_t"><span class="returnvalue">lt_variant_db_t</span></a> * <a class="link" href="liblangtag-Database.html#lt-db-get-variant" title="lt_db_get_variant ()">lt_db_get_variant</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">void</span> <a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()">lt_db_initialize</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">void</span> <a class="link" href="liblangtag-Database.html#lt-db-set-datadir" title="lt_db_set_datadir ()">lt_db_set_datadir</a> (<em class="parameter"><code>const <span class="type">char</span> *path</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="liblangtag-Database.description"></a><h2>Description</h2>
<p>
This section describes convenient functions to obtain the database instance.
</p>
</div>
<div class="refsect1">
<a name="liblangtag-Database.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="lt-db-finalize"></a><h3>lt_db_finalize ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> lt_db_finalize (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Decreases the reference count of the language tags database, which was
increased with <a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a>.
</p>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-get-datadir"></a><h3>lt_db_get_datadir ()</h3>
<pre class="programlisting">const <span class="returnvalue">char</span> * lt_db_get_datadir (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Obtain the directory where database files are installed.
</p>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the directory name.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-get-extlang"></a><h3>lt_db_get_extlang ()</h3>
<pre class="programlisting"><a class="link" href="liblangtag-Database---Extlang.html#lt-extlang-db-t" title="lt_extlang_db_t"><span class="returnvalue">lt_extlang_db_t</span></a> * lt_db_get_extlang (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Obtains the instance of <a class="link" href="liblangtag-Database---Extlang.html#lt-extlang-db-t" title="lt_extlang_db_t"><span class="type">lt_extlang_db_t</span></a>. This still allows to use without
<a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a>. but it will takes some time to load the database on
the memory every time.
</p>
<div class="variablelist"><table border="0" class="variablelist">
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<col align="left" valign="top">
<col>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The instance of <a class="link" href="liblangtag-Database---Extlang.html#lt-extlang-db-t" title="lt_extlang_db_t"><span class="type">lt_extlang_db_t</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-get-grandfathered"></a><h3>lt_db_get_grandfathered ()</h3>
<pre class="programlisting"><a class="link" href="liblangtag-Database---Grandfathered.html#lt-grandfathered-db-t" title="lt_grandfathered_db_t"><span class="returnvalue">lt_grandfathered_db_t</span></a> * lt_db_get_grandfathered (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Obtains the instance of <a class="link" href="liblangtag-Database---Grandfathered.html#lt-grandfathered-db-t" title="lt_grandfathered_db_t"><span class="type">lt_grandfathered_db_t</span></a>. This still allows to use
without <a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a>. but it will takes some time to load the database
on the memory every time.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The instance of <a class="link" href="liblangtag-Database---Grandfathered.html#lt-grandfathered-db-t" title="lt_grandfathered_db_t"><span class="type">lt_grandfathered_db_t</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-get-lang"></a><h3>lt_db_get_lang ()</h3>
<pre class="programlisting"><a class="link" href="liblangtag-Database---Language.html#lt-lang-db-t" title="lt_lang_db_t"><span class="returnvalue">lt_lang_db_t</span></a> * lt_db_get_lang (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Obtains the instance of <a class="link" href="liblangtag-Database---Language.html#lt-lang-db-t" title="lt_lang_db_t"><span class="type">lt_lang_db_t</span></a>. This still allows to use without
<a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a>. but it will takes some time to load the database on
the memory every time.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The instance of <a class="link" href="liblangtag-Database---Language.html#lt-lang-db-t" title="lt_lang_db_t"><span class="type">lt_lang_db_t</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-get-redundant"></a><h3>lt_db_get_redundant ()</h3>
<pre class="programlisting"><a class="link" href="liblangtag-Database---Redundant.html#lt-redundant-db-t" title="lt_redundant_db_t"><span class="returnvalue">lt_redundant_db_t</span></a> * lt_db_get_redundant (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Obtains the instance of <a class="link" href="liblangtag-Database---Redundant.html#lt-redundant-db-t" title="lt_redundant_db_t"><span class="type">lt_redundant_db_t</span></a>. This still allows to use
without <a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a>. but it will takes some time to load the database
on the memory every time.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The instance of <a class="link" href="liblangtag-Database---Redundant.html#lt-redundant-db-t" title="lt_redundant_db_t"><span class="type">lt_redundant_db_t</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-get-region"></a><h3>lt_db_get_region ()</h3>
<pre class="programlisting"><a class="link" href="liblangtag-Database---Region.html#lt-region-db-t" title="lt_region_db_t"><span class="returnvalue">lt_region_db_t</span></a> * lt_db_get_region (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Obtains the instance of <a class="link" href="liblangtag-Database---Region.html#lt-region-db-t" title="lt_region_db_t"><span class="type">lt_region_db_t</span></a>. This still allows to use without
<a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a>. but it will takes some time to load the database on
the memory every time.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The instance of <a class="link" href="liblangtag-Database---Region.html#lt-region-db-t" title="lt_region_db_t"><span class="type">lt_region_db_t</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-get-script"></a><h3>lt_db_get_script ()</h3>
<pre class="programlisting"><a class="link" href="liblangtag-Database---Script.html#lt-script-db-t" title="lt_script_db_t"><span class="returnvalue">lt_script_db_t</span></a> * lt_db_get_script (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Obtains the instance of <a class="link" href="liblangtag-Database---Script.html#lt-script-db-t" title="lt_script_db_t"><span class="type">lt_script_db_t</span></a>. This still allows to use without
<a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a>. but it will takes some time to load the database on
the memory every time.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The instance of <a class="link" href="liblangtag-Database---Script.html#lt-script-db-t" title="lt_script_db_t"><span class="type">lt_script_db_t</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-get-variant"></a><h3>lt_db_get_variant ()</h3>
<pre class="programlisting"><a class="link" href="liblangtag-Database---Variant.html#lt-variant-db-t" title="lt_variant_db_t"><span class="returnvalue">lt_variant_db_t</span></a> * lt_db_get_variant (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Obtains the instance of <a class="link" href="liblangtag-Database---Variant.html#lt-variant-db-t" title="lt_variant_db_t"><span class="type">lt_variant_db_t</span></a>. This still allows to use without
<a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a>. but it will takes some time to load the database on
the memory every time.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The instance of <a class="link" href="liblangtag-Database---Variant.html#lt-variant-db-t" title="lt_variant_db_t"><span class="type">lt_variant_db_t</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-initialize"></a><h3>lt_db_initialize ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> lt_db_initialize (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Initialize all of the language tags database instance.
</p>
</div>
<hr>
<div class="refsect2">
<a name="lt-db-set-datadir"></a><h3>lt_db_set_datadir ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> lt_db_set_datadir (<em class="parameter"><code>const <span class="type">char</span> *path</code></em>);</pre>
<p>
Set <em class="parameter"><code>path</code></em> as the default location of the database files.
This has to be called before <a class="link" href="liblangtag-Database.html#lt-db-initialize" title="lt_db_initialize ()"><code class="function">lt_db_initialize()</code></a> or any
initialization for each databases.
</p>
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<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>the directory where database files are installed.</td>
</tr></tbody>
</table></div>
</div>
</div>
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