Function xmlTextReaderLookupNamespace

ThirdParty/libxml2/vtklibxml2/xmlreader.c:2551–2569

* xmlTextReaderLookupNamespace: * @reader: the xmlTextReaderPtr used * @prefix: the prefix whose namespace URI is to be resolved. To return * the default namespace, specify NULL * * Resolves a namespace prefix in the scope of the current element. * * Returns a string containing the namespace URI to which the prefix maps * or NULL in case of error. The string must be deallocate

 *    or NULL in case of error. The string must be deallocated by the caller.
 */
xmlChar *
xmlTextReaderLookupNamespace(xmlTextReaderPtr reader, const xmlChar *prefix) {
    xmlNsPtr ns;
    int result;

    if (reader == NULL)
	return(NULL);
    if (reader->node == NULL)
	return(NULL);

    result = xmlSearchNsSafe(reader->node, prefix, &ns);
    if (result < 0) {
        xmlTextReaderErrMemory(reader);
        return(NULL);
    }
    if (ns == NULL)
	return(NULL);
    return(readerStrdup(reader, ns->href));
}

/**
 * xmlTextReaderMoveToAttributeNo: