Function xmlC14NCheckForRelativeNamespaces

ThirdParty/libxml2/vtklibxml2/c14n.c:1368–1403

* xmlC14NCheckForRelativeNamespaces: * @ctx: the C14N context * @cur: the current element node * * Checks that current element node has no relative namespaces defined * * Returns 0 if the node has no relative namespaces or -1 otherwise. */

 * Returns 0 if the node has no relative namespaces or -1 otherwise.
 */
static int
xmlC14NCheckForRelativeNamespaces(xmlC14NCtxPtr ctx, xmlNodePtr cur)
{
    xmlNsPtr ns;

    if ((ctx == NULL) || (cur == NULL) || (cur->type != XML_ELEMENT_NODE)) {
        xmlC14NErrParam(ctx);
        return (-1);
    }

    ns = cur->nsDef;
    while (ns != NULL) {
        if (xmlStrlen(ns->href) > 0) {
            xmlURIPtr uri;
            int code;

            code = xmlParseURISafe((const char *) ns->href, &uri);
            if (uri == NULL) {
                if (code < 0)
                    xmlC14NErrMemory(ctx);
                else
                    xmlC14NErr(ctx, cur, XML_ERR_INVALID_URI,
                               "parsing namespace uri");
                return (-1);
            }
            if (xmlStrlen((const xmlChar *) uri->scheme) == 0) {
                xmlC14NErrRelativeNamespace(ctx, uri->scheme);
                xmlFreeURI(uri);
                return (-1);
            }
            xmlFreeURI(uri);
        }
        ns = ns->next;
    }
    return (0);
}

/**
 * xmlC14NProcessElementNode: