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<?xml version="1.0" encoding="UTF-8"?>
<!--
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2012 - Scilab Enterprises - Calixte DENIZET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
-->
<refentry xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:svg="http://www.w3.org/2000/svg" xmlns:ns5="http://www.w3.org/1999/xhtml" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:db="http://docbook.org/ns/docbook" xmlns:scilab="http://www.scilab.org" xml:id="xmlIsValidObject" xml:lang="en">
<refnamediv>
<refname>xmlIsValidObject</refname>
<refpurpose>Test the existence of a XML object</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
exists = xmlIsValidObject(obj)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Arguments</title>
<variablelist>
<varlistentry>
<term>obj</term>
<listitem>
<para>a XML object or a matrix of strings containing the variables names</para>
</listitem>
</varlistentry>
<varlistentry>
<term>exists</term>
<listitem>
<para>a boolean or a matrix of booleans to indicate if the XML objects exist or not</para>
</listitem>
</varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Description</title>
<para>When a XML document has been deleted all the attached objects are destroyed, but on the Scilab side the objects are still alive. So this function is useful to know if an object on the Scilab side is valid or not.</para>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
doc = xmlRead("http://www.w3.org/TR/2009/REC-xml-names-20091208/xml-names-10-3e.xml");
r = doc.root
// must return %T
xmlIsValidObject(r)
// We delete the doc
xmlDelete(doc);
// must return [%F %F]
xmlIsValidObject(["doc" "r"])
]]></programlisting>
</refsection>
<refsection role="see also">
<title>See Also</title>
<simplelist type="inline">
<member>
<link linkend="XMLObjects">XML Objects</link>
</member>
<member>
<link linkend="xmlDelete">xmlDelete</link>
</member>
</simplelist>
</refsection>
<refsection>
<title>History</title>
<revhistory>
<revision>
<revnumber>5.4.0</revnumber>
<revremark>XML module introduced.</revremark>
</revision>
</revhistory>
</refsection>
</refentry>
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