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<div class="refentry">
<a name="libevdocument-ev-file-helpers"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="libevdocument-ev-file-helpers.top_of_page"></a>ev-file-helpers</span></h2>
<p>ev-file-helpers</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="libevdocument-ev-file-helpers.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">int</span>
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-mkstemp" title="ev_mkstemp ()">ev_mkstemp</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GFile</span> *
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-mkstemp-file" title="ev_mkstemp_file ()">ev_mkstemp_file</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="libevdocument-ev-file-helpers.html#ev-mkdtemp" title="ev_mkdtemp ()">ev_mkdtemp</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-tmp-filename-unlink" title="ev_tmp_filename_unlink ()">ev_tmp_filename_unlink</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-tmp-file-unlink" title="ev_tmp_file_unlink ()">ev_tmp_file_unlink</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-tmp-uri-unlink" title="ev_tmp_uri_unlink ()">ev_tmp_uri_unlink</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-xfer-uri-simple" title="ev_xfer_uri_simple ()">ev_xfer_uri_simple</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-file-copy-metadata" title="ev_file_copy_metadata ()">ev_file_copy_metadata</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="libevdocument-ev-file-helpers.html#ev-file-get-mime-type" title="ev_file_get_mime_type ()">ev_file_get_mime_type</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="libevdocument-ev-file-helpers.html#ev-file-uncompress" title="ev_file_uncompress ()">ev_file_uncompress</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="libevdocument-ev-file-helpers.html#ev-file-compress" title="ev_file_compress ()">ev_file_compress</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-file-is-temp" title="ev_file_is_temp ()">ev_file_is_temp</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <span class="returnvalue">gchar</span> *
</td>
<td class="function_name">
<a class="link" href="libevdocument-ev-file-helpers.html#ev-get-locale-dir" title="ev_get_locale_dir ()">ev_get_locale_dir</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libevdocument-ev-file-helpers.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">enum</td>
<td class="function_name"><a class="link" href="libevdocument-ev-file-helpers.html#EvCompressionType" title="enum EvCompressionType">EvCompressionType</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libevdocument-ev-file-helpers.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GEnum
<span class="lineart">╰──</span> EvCompressionType
</pre>
</div>
<div class="refsect1">
<a name="libevdocument-ev-file-helpers.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="libevdocument-ev-file-helpers.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="ev-mkstemp"></a><h3>ev_mkstemp ()</h3>
<pre class="programlisting"><span class="returnvalue">int</span>
ev_mkstemp (<em class="parameter"><code>const <span class="type">char</span> *tmpl</code></em>,
<em class="parameter"><code><span class="type">char</span> **file_name</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Creates a temp file in the evince temp directory.</p>
<div class="refsect3">
<a name="id-1.4.5.7.2.5"></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>tmpl</p></td>
<td class="parameter_description"><p>a template string; must contain 'XXXXXX', but not necessarily as a suffix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>file_name</p></td>
<td class="parameter_description"><p>a location to store the filename of the temp file</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a location to store a <span class="type">GError</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.5.7.2.6"></a><h4>Returns</h4>
<p> a file descriptor to the newly created temp file name, or <code class="literal">-1</code>
on error with <em class="parameter"><code>error</code></em>
filled in</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ev-mkstemp-file"></a><h3>ev_mkstemp_file ()</h3>
<pre class="programlisting"><span class="returnvalue">GFile</span> *
ev_mkstemp_file (<em class="parameter"><code>const <span class="type">char</span> *tmpl</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Creates a temp <span class="type">GFile</span> in the evince temp directory. See <a class="link" href="libevdocument-ev-file-helpers.html#ev-mkstemp" title="ev_mkstemp ()"><code class="function">ev_mkstemp()</code></a> for more information.</p>
<div class="refsect3">
<a name="id-1.4.5.7.3.5"></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>tmpl</p></td>
<td class="parameter_description"><p>a template string; must contain 'XXXXXX', but not necessarily as a suffix</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a location to store a <span class="type">GError</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.5.7.3.6"></a><h4>Returns</h4>
<p> a newly allocated <span class="type">GFile</span> for the newly created temp file name, or <code class="literal">NULL</code>
on error with <em class="parameter"><code>error</code></em>
filled in. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ev-mkdtemp"></a><h3>ev_mkdtemp ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> *
ev_mkdtemp (<em class="parameter"><code>const <span class="type">char</span> *tmpl</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Creates a temp directory in the evince temp directory.</p>
<div class="refsect3">
<a name="id-1.4.5.7.4.5"></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>tmpl</p></td>
<td class="parameter_description"><p>a template string; must end in 'XXXXXX'</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a location to store a <span class="type">GError</span></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.5.7.4.6"></a><h4>Returns</h4>
<p> a newly allocated string with the temp directory name, or <code class="literal">NULL</code>
on error with <em class="parameter"><code>error</code></em>
filled in</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ev-tmp-filename-unlink"></a><h3>ev_tmp_filename_unlink ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ev_tmp_filename_unlink (<em class="parameter"><code>const <span class="type">gchar</span> *filename</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ev-tmp-file-unlink"></a><h3>ev_tmp_file_unlink ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ev_tmp_file_unlink (<em class="parameter"><code><span class="type">GFile</span> *file</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ev-tmp-uri-unlink"></a><h3>ev_tmp_uri_unlink ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ev_tmp_uri_unlink (<em class="parameter"><code>const <span class="type">gchar</span> *uri</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ev-xfer-uri-simple"></a><h3>ev_xfer_uri_simple ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
ev_xfer_uri_simple (<em class="parameter"><code>const <span class="type">char</span> *from</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *to</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Performs a <code class="function">g_file_copy()</code> from <em class="parameter"><code>from</code></em>
to <em class="parameter"><code>to</code></em>
.</p>
<div class="refsect3">
<a name="id-1.4.5.7.8.5"></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>from</p></td>
<td class="parameter_description"><p>the source URI</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>to</p></td>
<td class="parameter_description"><p>the target URI</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span> location to store an error, or <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.5.7.8.6"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> on success, or <code class="literal">FALSE</code> on error with <em class="parameter"><code>error</code></em>
filled in</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ev-file-copy-metadata"></a><h3>ev_file_copy_metadata ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
ev_file_copy_metadata (<em class="parameter"><code>const <span class="type">char</span> *from</code></em>,
<em class="parameter"><code>const <span class="type">char</span> *to</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Performs a <code class="function">g_file_copy_attributes()</code> with <code class="literal">G_FILE_COPY_ALL_METADATA</code>
from <em class="parameter"><code>from</code></em>
to <em class="parameter"><code>to</code></em>
.</p>
<div class="refsect3">
<a name="id-1.4.5.7.9.5"></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>from</p></td>
<td class="parameter_description"><p>the source URI</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>to</p></td>
<td class="parameter_description"><p>the target URI</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span> location to store an error, or <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.5.7.9.6"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if the attributes were copied successfully, <code class="literal">FALSE</code> otherwise.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-3-4.html#api-index-3.4">3.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="ev-file-get-mime-type"></a><h3>ev_file_get_mime_type ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> *
ev_file_get_mime_type (<em class="parameter"><code>const <span class="type">gchar</span> *uri</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> fast</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<div class="refsect3">
<a name="id-1.4.5.7.10.4"></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>uri</p></td>
<td class="parameter_description"><p>the URI</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>fast</p></td>
<td class="parameter_description"><p>whether to use fast MIME type detection</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span> location to store an error, or <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.5.7.10.5"></a><h4>Returns</h4>
<p> a newly allocated string with the MIME type of the file at
<em class="parameter"><code>uri</code></em>
, or <code class="literal">NULL</code> on error or if the MIME type could not be determined</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ev-file-uncompress"></a><h3>ev_file_uncompress ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> *
ev_file_uncompress (<em class="parameter"><code>const <span class="type">gchar</span> *uri</code></em>,
<em class="parameter"><code><a class="link" href="libevdocument-ev-file-helpers.html#EvCompressionType" title="enum EvCompressionType"><span class="type">EvCompressionType</span></a> type</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Uncompresses the file at <em class="parameter"><code>uri</code></em>
.</p>
<p>If <em class="parameter"><code>type</code></em>
is <a class="link" href="libevdocument-ev-file-helpers.html#EV-COMPRESSION-NONE:CAPS"><code class="literal">EV_COMPRESSION_NONE</code></a>, it does nothing and returns <code class="literal">NULL</code>.</p>
<p>Otherwise, it returns the filename of a
temporary file containing the decompressed data from the file at <em class="parameter"><code>uri</code></em>
.
On error it returns <code class="literal">NULL</code> and fills in <em class="parameter"><code>error</code></em>
.</p>
<p>It is the caller's responsibility to unlink the temp file after use.</p>
<div class="refsect3">
<a name="id-1.4.5.7.11.8"></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>uri</p></td>
<td class="parameter_description"><p>a file URI</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the compression type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span> location to store an error, or <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.5.7.11.9"></a><h4>Returns</h4>
<p> a newly allocated string URI, or <code class="literal">NULL</code> on error</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ev-file-compress"></a><h3>ev_file_compress ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> *
ev_file_compress (<em class="parameter"><code>const <span class="type">gchar</span> *uri</code></em>,
<em class="parameter"><code><a class="link" href="libevdocument-ev-file-helpers.html#EvCompressionType" title="enum EvCompressionType"><span class="type">EvCompressionType</span></a> type</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Compresses the file at <em class="parameter"><code>uri</code></em>
.</p>
<p>If <em class="parameter"><code>type</code></em>
is <a class="link" href="libevdocument-ev-file-helpers.html#EV-COMPRESSION-NONE:CAPS"><code class="literal">EV_COMPRESSION_NONE</code></a>, it does nothing and returns <code class="literal">NULL</code>.</p>
<p>Otherwise, it returns the filename of a
temporary file containing the compressed data from the file at <em class="parameter"><code>uri</code></em>
.</p>
<p>On error it returns <code class="literal">NULL</code> and fills in <em class="parameter"><code>error</code></em>
.</p>
<p>It is the caller's responsibility to unlink the temp file after use.</p>
<div class="refsect3">
<a name="id-1.4.5.7.12.9"></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>uri</p></td>
<td class="parameter_description"><p>a file URI</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>the compression type</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span> location to store an error, or <code class="literal">NULL</code></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.5.7.12.10"></a><h4>Returns</h4>
<p> a newly allocated string URI, or <code class="literal">NULL</code> on error</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ev-file-is-temp"></a><h3>ev_file_is_temp ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
ev_file_is_temp (<em class="parameter"><code><span class="type">GFile</span> *file</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ev-get-locale-dir"></a><h3>ev_get_locale_dir ()</h3>
<pre class="programlisting">const <span class="returnvalue">gchar</span> *
ev_get_locale_dir (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
</div>
</div>
<div class="refsect1">
<a name="libevdocument-ev-file-helpers.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="EvCompressionType"></a><h3>enum EvCompressionType</h3>
<div class="refsect3">
<a name="id-1.4.5.8.2.3"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="EV-COMPRESSION-NONE:CAPS"></a>EV_COMPRESSION_NONE</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="EV-COMPRESSION-BZIP2:CAPS"></a>EV_COMPRESSION_BZIP2</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="EV-COMPRESSION-GZIP:CAPS"></a>EV_COMPRESSION_GZIP</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="EV-COMPRESSION-LZMA:CAPS"></a>EV_COMPRESSION_LZMA</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</div>
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