Function xmlTextReaderMoveToAttribute

ThirdParty/libxml2/vtklibxml2/xmlreader.c:2631–2722

* xmlTextReaderMoveToAttribute: * @reader: the xmlTextReaderPtr used * @name: the qualified name of the attribute. * * Moves the position of the current instance to the attribute with * the specified qualified name. * * Returns 1 in case of success, -1 in case of error, 0 if not found */

 * Returns 1 in case of success, -1 in case of error, 0 if not found
 */
int
xmlTextReaderMoveToAttribute(xmlTextReaderPtr reader, const xmlChar *name) {
    xmlChar *prefix = NULL;
    const xmlChar *localname;
    xmlNsPtr ns;
    xmlAttrPtr prop;

    if ((reader == NULL) || (name == NULL))
	return(-1);
    if (reader->node == NULL)
	return(-1);

    /* TODO: handle the xmlDecl */
    if (reader->node->type != XML_ELEMENT_NODE)
	return(0);

    localname = xmlSplitQName4(name, &prefix);
    if (localname == NULL) {
        xmlTextReaderErrMemory(reader);
        return(-1);
    }
    if (prefix == NULL) {
	/*
	 * Namespace default decl
	 */
	if (xmlStrEqual(name, BAD_CAST "xmlns")) {
	    ns = reader->node->nsDef;
	    while (ns != NULL) {
		if (ns->prefix == NULL) {
		    reader->curnode = (xmlNodePtr) ns;
		    return(1);
		}
		ns = ns->next;
	    }
	    return(0);
	}

	prop = reader->node->properties;
	while (prop != NULL) {
	    /*
	     * One need to have
	     *   - same attribute names
	     *   - and the attribute carrying that namespace
	     */
	    if ((xmlStrEqual(prop->name, name)) &&
		((prop->ns == NULL) || (prop->ns->prefix == NULL))) {
		reader->curnode = (xmlNodePtr) prop;
		return(1);
	    }
	    prop = prop->next;
	}
	return(0);
    }

    /*
     * Namespace default decl
     */
    if (xmlStrEqual(prefix, BAD_CAST "xmlns")) {