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<!--Id: xmlq_getname.so,v 10.5 2002/07/01 16:46:15 bostic Exp -->
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<title>Berkeley DB: XmlQueryContext::getNamespace</title>
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<h1>XmlQueryContext::getNamespace</h1>
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<h3><pre>
#include <DbXml.hpp>
<p>
std::string
XmlQueryContext::getNamespace(const std::string &prefix);
</pre></h3>
<h1>Description</h1>
<p>The XmlQueryContext::getNamespace method returns the namespace prefix to URI mapping
for <b>prefix</b>.
<p>
If no mapping is found, the XmlQueryContext::getNamespace method will return DB_NOTFOUND.
Otherwise, the XmlQueryContext::getNamespace method throws an exception that encapsulates a non-zero error value on
failure.
<h1>Errors</h1>
<p>The XmlQueryContext::getNamespace method may fail and throw an exception encapsulating a non-zero error for the following conditions:
<p><dl compact>
<p><dt>EINVAL<dd>An invalid flag value or parameter was specified.
</dl>
<p>If the requested item could not be returned due to insufficient memory,
the XmlQueryContext::getNamespace method will fail and
throw a <a href="../api_cxx/mem_class.html">DbMemoryException</a> exception.
<p>The XmlQueryContext::getNamespace method may fail and throw an exception for errors specified for other Berkeley DB and C library or system methods.
If a catastrophic error has occurred, the XmlQueryContext::getNamespace method may fail and
throw a <a href="../api_cxx/runrec_class.html">DbRunRecoveryException</a>,
in which case all subsequent Berkeley DB calls will fail in the same way.
<h1>Class</h1>
<a href="../api_cxx/xmlcontainer_class.html">XmlContainer</a>, <a href="../api_cxx/xmldocument_class.html">XmlDocument</a>, <a href="../api_cxx/xmlquery_class.html">XmlQueryContext</a>
<h1>See Also</h1>
<a href="../api_cxx/xml_close.html">XmlContainer::close</a>,
<a href="../api_cxx/xml_declare.html">XmlContainer::declareIndex</a>,
<a href="../api_cxx/xml_del.html">XmlContainer::deleteDocument</a>,
<a href="../api_cxx/xml_get.html">XmlContainer::getDocument</a>,
<a href="../api_cxx/xml_getname.html">XmlContainer::getName</a>,
<a href="../api_cxx/xml_open.html">XmlContainer::open</a>,
<a href="../api_cxx/xml_put.html">XmlContainer::putDocument</a>
and
<a href="../api_cxx/xml_xpath.html">XmlContainer::queryWithXPath</a>.
<p>
<a href="../api_cxx/xmldoc_getattr.html">XmlDocument::getAttributeValue</a>,
<a href="../api_cxx/xmldoc_getcont.html">XmlDocument::getContent</a>,
<a href="../api_cxx/xmldoc_getid.html">XmlDocument::getID</a>,
<a href="../api_cxx/xmldoc_getname.html">XmlDocument::getName</a>,
<a href="../api_cxx/xmldoc_gettype.html">XmlDocument::getType</a>,
<a href="../api_cxx/xmldoc_setcont.html">XmlDocument::setContent</a>,
<a href="../api_cxx/xmldoc_setname.html">XmlDocument::setName</a>,
and
<a href="../api_cxx/xmldoc_settype.html">XmlDocument::setType</a>.
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