Function path_eval_vars

modules/xml/xml.c:357–403

}

static int path_eval_vars(struct sip_msg* msg, xml_path_t *path)
{
	pv_value_t val;
	xml_element_t *el;

	memset(&val, 0, sizeof(pv_value_t));

	for (el = path->elements; el; el = el->next) {
		if (el->var_flags & EL_VAR_TAG) {
			if( pv_get_spec_value(msg, &el->tag_var ,&val) < 0) {
				LM_ERR("Unable to get value from element variable\n");
				return -1;
			}
			if (!(val.flags & PV_VAL_STR)) {
				LM_ERR("Non string value for element name\n");
				return -1;
			}
			el->tag = val.rs;
		}

		if (el->var_flags & EL_VAR_IDX) {
			if( pv_get_spec_value(msg, &el->idx_var ,&val) < 0) {
				LM_ERR("Unable to get value from index variable\n");
				return -1;
			}
			if (!(val.flags & PV_VAL_INT)) {
				LM_ERR("Non integer value for index\n");
				return -1;
			}
			el->idx = val.ri;
		}
	}

	if (path->attr_is_var) {
		if( pv_get_spec_value(msg, &path->attr_var ,&val) < 0) {
			LM_ERR("Unable to get value from attribute variable\n");
			return -1;
		}
		if (!(val.flags & PV_VAL_STR)) {
			LM_ERR("Non string value for attribute name\n");
			return -1;
		}
		path->attr = val.rs;
	}

	return 0;
}

static xmlNode *get_node_by_path(xmlNode *root, xml_element_t *path_el)
{