Function xpath_list

contrib/xml2/xpath.c:281–305

PG_FUNCTION_INFO_V1(xpath_list);

Datum
xpath_list(PG_FUNCTION_ARGS)
{
	text	   *document = PG_GETARG_TEXT_PP(0);
	text	   *xpathsupp = PG_GETARG_TEXT_PP(1);	/* XPath expression */
	xmlChar    *plainsep = pgxml_texttoxmlchar(PG_GETARG_TEXT_PP(2));
	xmlChar    *xpath;
	text	   *xpres;
	xmlXPathObjectPtr res;
	xpath_workspace workspace;

	xpath = pgxml_texttoxmlchar(xpathsupp);

	res = pgxml_xpath(document, xpath, &workspace);

	xpres = pgxml_result_to_text(res, NULL, NULL, plainsep);

	cleanup_workspace(&workspace);

	pfree(xpath);

	if (xpres == NULL)
		PG_RETURN_NULL();
	PG_RETURN_TEXT_P(xpres);
}


PG_FUNCTION_INFO_V1(xpath_string);