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| <a href="#gio-GContentType.description" class="shortcut">Description</a></span> |
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| <a name="gio-GContentType"></a><div class="titlepage"></div> |
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| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gio-GContentType.top_of_page"></a>GContentType</span></h2> |
| <p>GContentType — Platform-specific content typing</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gio-GContentType.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"> |
| <a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-equals" title="g_content_type_equals ()">g_content_type_equals</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-is-a" title="g_content_type_is_a ()">g_content_type_is_a</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-is-unknown" title="g_content_type_is_unknown ()">g_content_type_is_unknown</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-get-description" title="g_content_type_get_description ()">g_content_type_get_description</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-get-mime-type" title="g_content_type_get_mime_type ()">g_content_type_get_mime_type</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GIcon.html" title="GIcon"><span class="returnvalue">GIcon</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-get-icon" title="g_content_type_get_icon ()">g_content_type_get_icon</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="GIcon.html" title="GIcon"><span class="returnvalue">GIcon</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-get-symbolic-icon" title="g_content_type_get_symbolic_icon ()">g_content_type_get_symbolic_icon</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-get-generic-icon-name" title="g_content_type_get_generic_icon_name ()">g_content_type_get_generic_icon_name</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-can-be-executable" title="g_content_type_can_be_executable ()">g_content_type_can_be_executable</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-from-mime-type" title="g_content_type_from_mime_type ()">g_content_type_from_mime_type</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-guess" title="g_content_type_guess ()">g_content_type_guess</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-type-guess-for-tree" title="g_content_type_guess_for_tree ()">g_content_type_guess_for_tree</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="../glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gio-GContentType.html#g-content-types-get-registered" title="g_content_types_get_registered ()">g_content_types_get_registered</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gio-GContentType.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gio/gio.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gio-GContentType.description"></a><h2>Description</h2> |
| <p>A content type is a platform specific string that defines the type |
| of a file. On UNIX it is a |
| <a class="ulink" href="http://www.wikipedia.org/wiki/Internet_media_type" target="_top">mime type</a> |
| like "text/plain" or "image/png". |
| On Win32 it is an extension string like ".doc", ".txt" or a perceived |
| string like "audio". Such strings can be looked up in the registry at |
| HKEY_CLASSES_ROOT.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="gio-GContentType.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="g-content-type-equals"></a><h3>g_content_type_equals ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| g_content_type_equals (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type1</code></em>, |
| <em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type2</code></em>);</pre> |
| <p>Compares two content types for equality.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-equals.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>type1</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>type2</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-equals.returns"></a><h4>Returns</h4> |
| <p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the two strings are identical or equivalent, |
| <a href="../glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-is-a"></a><h3>g_content_type_is_a ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| g_content_type_is_a (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type</code></em>, |
| <em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *supertype</code></em>);</pre> |
| <p>Determines if <em class="parameter"><code>type</code></em> |
| is a subset of <em class="parameter"><code>supertype</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="g-content-type-is-a.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</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>supertype</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-is-a.returns"></a><h4>Returns</h4> |
| <p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>type</code></em> |
| is a kind of <em class="parameter"><code>supertype</code></em> |
| , |
| <a href="../glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-is-unknown"></a><h3>g_content_type_is_unknown ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| g_content_type_is_unknown (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type</code></em>);</pre> |
| <p>Checks if the content type is the generic "unknown" type. |
| On UNIX this is the "application/octet-stream" mimetype, |
| while on win32 it is "*".</p> |
| <div class="refsect3"> |
| <a name="g-content-type-is-unknown.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</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-is-unknown.returns"></a><h4>Returns</h4> |
| <p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the type is the unknown type.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-get-description"></a><h3>g_content_type_get_description ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| g_content_type_get_description (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type</code></em>);</pre> |
| <p>Gets the human readable description of the content type.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-get-description.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</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-get-description.returns"></a><h4>Returns</h4> |
| <p> a short description of the content type <em class="parameter"><code>type</code></em> |
| . Free the |
| returned string with <a href="../glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-get-mime-type"></a><h3>g_content_type_get_mime_type ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| g_content_type_get_mime_type (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type</code></em>);</pre> |
| <p>Gets the mime type for the content type, if one is registered.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-get-mime-type.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</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-get-mime-type.returns"></a><h4>Returns</h4> |
| <p> the registered mime type for the given <em class="parameter"><code>type</code></em> |
| , |
| or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if unknown. </p> |
| <p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-get-icon"></a><h3>g_content_type_get_icon ()</h3> |
| <pre class="programlisting"><a class="link" href="GIcon.html" title="GIcon"><span class="returnvalue">GIcon</span></a> * |
| g_content_type_get_icon (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type</code></em>);</pre> |
| <p>Gets the icon for a content type.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-get-icon.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</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-get-icon.returns"></a><h4>Returns</h4> |
| <p> <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> corresponding to the content type. Free the returned |
| object with <a href="../gobject-The-Base-Object-Type.html#g-object-unref"><code class="function">g_object_unref()</code></a>. </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="g-content-type-get-symbolic-icon"></a><h3>g_content_type_get_symbolic_icon ()</h3> |
| <pre class="programlisting"><a class="link" href="GIcon.html" title="GIcon"><span class="returnvalue">GIcon</span></a> * |
| g_content_type_get_symbolic_icon (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type</code></em>);</pre> |
| <p>Gets the symbolic icon for a content type.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-get-symbolic-icon.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</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-get-symbolic-icon.returns"></a><h4>Returns</h4> |
| <p> symbolic <a class="link" href="GIcon.html" title="GIcon"><span class="type">GIcon</span></a> corresponding to the content type. |
| Free the returned object with <a href="../gobject-The-Base-Object-Type.html#g-object-unref"><code class="function">g_object_unref()</code></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="api-index-2-34.html#api-index-2.34">2.34</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-get-generic-icon-name"></a><h3>g_content_type_get_generic_icon_name ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| g_content_type_get_generic_icon_name (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type</code></em>);</pre> |
| <p>Gets the generic icon name for a content type.</p> |
| <p>See the |
| <a class="ulink" href="http://www.freedesktop.org/wiki/Specifications/shared-mime-info-spec" target="_top">shared-mime-info</a> |
| specification for more on the generic icon name.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-get-generic-icon-name.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</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-get-generic-icon-name.returns"></a><h4>Returns</h4> |
| <p> the registered generic icon name for the given <em class="parameter"><code>type</code></em> |
| , |
| or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if unknown. Free with <a href="../glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>. </p> |
| <p><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="api-index-2-34.html#api-index-2.34">2.34</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-can-be-executable"></a><h3>g_content_type_can_be_executable ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| g_content_type_can_be_executable (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *type</code></em>);</pre> |
| <p>Checks if a content type can be executable. Note that for instance |
| things like text files can be executables (i.e. scripts and batch files).</p> |
| <div class="refsect3"> |
| <a name="g-content-type-can-be-executable.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</p></td> |
| <td class="parameter_description"><p>a content type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-can-be-executable.returns"></a><h4>Returns</h4> |
| <p> <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the file type corresponds to a type that |
| can be executable, <a href="../glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-from-mime-type"></a><h3>g_content_type_from_mime_type ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| g_content_type_from_mime_type (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *mime_type</code></em>);</pre> |
| <p>Tries to find a content type based on the mime type name.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-from-mime-type.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>mime_type</p></td> |
| <td class="parameter_description"><p>a mime type string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-from-mime-type.returns"></a><h4>Returns</h4> |
| <p> Newly allocated string with content type or |
| <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. Free with <a href="../glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>. </p> |
| <p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="api-index-2-18.html#api-index-2.18">2.18</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-guess"></a><h3>g_content_type_guess ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| g_content_type_guess (<em class="parameter"><code>const <a href="../glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *filename</code></em>, |
| <em class="parameter"><code>const <a href="../glib-Basic-Types.html#guchar"><span class="type">guchar</span></a> *data</code></em>, |
| <em class="parameter"><code><a href="../glib-Basic-Types.html#gsize"><span class="type">gsize</span></a> data_size</code></em>, |
| <em class="parameter"><code><a href="../glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> *result_uncertain</code></em>);</pre> |
| <p>Guesses the content type based on example data. If the function is |
| uncertain, <em class="parameter"><code>result_uncertain</code></em> |
| will be set to <a href="../glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>. Either <em class="parameter"><code>filename</code></em> |
| |
| or <em class="parameter"><code>data</code></em> |
| may be <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, in which case the guess will be based solely |
| on the other argument.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-guess.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>filename</p></td> |
| <td class="parameter_description"><p> a string, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>data</p></td> |
| <td class="parameter_description"><p> a stream of data, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=data_size]</span></td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>data_size</p></td> |
| <td class="parameter_description"><p>the size of <em class="parameter"><code>data</code></em> |
| </p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>result_uncertain</p></td> |
| <td class="parameter_description"><p> return location for the certainty |
| of the result, or <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-guess.returns"></a><h4>Returns</h4> |
| <p> a string indicating a guessed content type for the |
| given data. Free with <a href="../glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-type-guess-for-tree"></a><h3>g_content_type_guess_for_tree ()</h3> |
| <pre class="programlisting"><a href="../glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> ** |
| g_content_type_guess_for_tree (<em class="parameter"><code><a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> *root</code></em>);</pre> |
| <p>Tries to guess the type of the tree with root <em class="parameter"><code>root</code></em> |
| , by |
| looking at the files it contains. The result is an array |
| of content types, with the best guess coming first.</p> |
| <p>The types returned all have the form x-content/foo, e.g. |
| x-content/audio-cdda (for audio CDs) or x-content/image-dcf |
| (for a camera memory card). See the |
| <a class="ulink" href="http://www.freedesktop.org/wiki/Specifications/shared-mime-info-spec" target="_top">shared-mime-info</a> |
| specification for more on x-content types.</p> |
| <p>This function is useful in the implementation of |
| <a class="link" href="GMount.html#g-mount-guess-content-type" title="g_mount_guess_content_type ()"><code class="function">g_mount_guess_content_type()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="g-content-type-guess-for-tree.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>root</p></td> |
| <td class="parameter_description"><p>the root of the tree to guess a type for</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="g-content-type-guess-for-tree.returns"></a><h4>Returns</h4> |
| <p> an <a href="../glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated |
| array of zero or more content types. Free with <a href="../glib-String-Utility-Functions.html#g-strfreev"><code class="function">g_strfreev()</code></a>. </p> |
| <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></p> |
| </div> |
| <p class="since">Since: <a class="link" href="api-index-2-18.html#api-index-2.18">2.18</a></p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="g-content-types-get-registered"></a><h3>g_content_types_get_registered ()</h3> |
| <pre class="programlisting"><a href="../glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| g_content_types_get_registered (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> |
| <p>Gets a list of strings containing all the registered content types |
| known to the system. The list and its data should be freed using |
| g_list_free_full (list, g_free).</p> |
| <div class="refsect3"> |
| <a name="g-content-types-get-registered.returns"></a><h4>Returns</h4> |
| <p> list of the registered |
| content types. </p> |
| <p><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> utf8][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gio-GContentType.other_details"></a><h2>Types and Values</h2> |
| </div> |
| </div> |
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