Function xmlXPathCastToString

ThirdParty/libxml2/vtklibxml2/xpath.c:4765–4799

* xmlXPathCastToString: * @val: an XPath object * * Converts an existing object to its string() equivalent * * Returns the allocated string value of the object, NULL in case of error. * It's up to the caller to free the string memory with xmlFree(). */

 *         It's up to the caller to free the string memory with xmlFree().
 */
xmlChar *
xmlXPathCastToString(xmlXPathObjectPtr val) {
    xmlChar *ret = NULL;

    if (val == NULL)
	return(xmlStrdup((const xmlChar *) ""));
    switch (val->type) {
	case XPATH_UNDEFINED:
	    ret = xmlStrdup((const xmlChar *) "");
	    break;
        case XPATH_NODESET:
        case XPATH_XSLT_TREE:
	    ret = xmlXPathCastNodeSetToString(val->nodesetval);
	    break;
	case XPATH_STRING:
	    return(xmlStrdup(val->stringval));
        case XPATH_BOOLEAN:
	    ret = xmlXPathCastBooleanToString(val->boolval);
	    break;
	case XPATH_NUMBER: {
	    ret = xmlXPathCastNumberToString(val->floatval);
	    break;
	}
	case XPATH_USERS:
#ifdef LIBXML_XPTR_LOCS_ENABLED
	case XPATH_POINT:
	case XPATH_RANGE:
	case XPATH_LOCATIONSET:
#endif /* LIBXML_XPTR_LOCS_ENABLED */
	    /* TODO */
	    ret = xmlStrdup((const xmlChar *) "");
	    break;
    }
    return(ret);
}

/**
 * xmlXPathConvertString: