Function xmlXPathPopNodeSet

ThirdParty/libxml2/vtklibxml2/xpath.c:2200–2224

* xmlXPathPopNodeSet: * @ctxt: an XPath parser context * * Pops a node-set from the stack, handling conversion if needed. * Check error with #xmlXPathCheckError. * * Returns the node-set */

 * Returns the node-set
 */
xmlNodeSetPtr
xmlXPathPopNodeSet (xmlXPathParserContextPtr ctxt) {
    xmlXPathObjectPtr obj;
    xmlNodeSetPtr ret;

    if (ctxt == NULL) return(NULL);
    if (ctxt->value == NULL) {
	xmlXPathSetError(ctxt, XPATH_INVALID_OPERAND);
	return(NULL);
    }
    if (!xmlXPathStackIsNodeSet(ctxt)) {
	xmlXPathSetTypeError(ctxt);
	return(NULL);
    }
    obj = valuePop(ctxt);
    ret = obj->nodesetval;
#if 0
    /* to fix memory leak of not clearing obj->user */
    if (obj->boolval && obj->user != NULL)
        xmlFreeNodeList((xmlNodePtr) obj->user);
#endif
    obj->nodesetval = NULL;
    xmlXPathReleaseObject(ctxt->context, obj);
    return(ret);
}

/**
 * xmlXPathPopExternal: