Function xmlSetProp

ThirdParty/libxml2/vtklibxml2/tree.c:6928–6955

* xmlSetProp: * @node: the node * @name: the attribute name (a QName) * @value: the attribute value * * Set (or reset) an attribute carried by a node. * If @name has a prefix, then the corresponding * namespace-binding will be used, if in scope; it is an * error it there's no such ns-binding for the prefix in * scope. * Returns the attribute pointer. * */

 *
 */
xmlAttrPtr
xmlSetProp(xmlNodePtr node, const xmlChar *name, const xmlChar *value) {
    xmlNsPtr ns = NULL;
    const xmlChar *localname;
    xmlChar *prefix;
    int res;

    if ((node == NULL) || (name == NULL) || (node->type != XML_ELEMENT_NODE))
	return(NULL);

    /*
     * handle QNames
     */
    localname = xmlSplitQName4(name, &prefix);
    if (localname == NULL)
        return(NULL);

    if (prefix != NULL) {
	res = xmlSearchNsSafe(node, prefix, &ns);
	xmlFree(prefix);
        if (res < 0)
            return(NULL);
        if (ns != NULL)
            return(xmlSetNsProp(node, ns, localname, value));
    }

    return(xmlSetNsProp(node, NULL, name, value));
}

/**
 * xmlSetNsProp: