Function xmlXPathConvertString

ThirdParty/libxml2/vtklibxml2/xpath.c:4810–4845

* xmlXPathConvertString: * @val: an XPath object * * Converts an existing object to its string() equivalent * * Returns the new object, the old one is freed (or the operation * is done directly on @val) */

 *         is done directly on @val)
 */
xmlXPathObjectPtr
xmlXPathConvertString(xmlXPathObjectPtr val) {
    xmlChar *res = NULL;

    if (val == NULL)
	return(xmlXPathNewCString(""));

    switch (val->type) {
    case XPATH_UNDEFINED:
	break;
    case XPATH_NODESET:
    case XPATH_XSLT_TREE:
	res = xmlXPathCastNodeSetToString(val->nodesetval);
	break;
    case XPATH_STRING:
	return(val);
    case XPATH_BOOLEAN:
	res = xmlXPathCastBooleanToString(val->boolval);
	break;
    case XPATH_NUMBER:
	res = 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 */
	break;
    }
    xmlXPathFreeObject(val);
    if (res == NULL)
	return(xmlXPathNewCString(""));
    return(xmlXPathWrapString(res));
}

/**
 * xmlXPathCastBooleanToNumber: