void yaz_rpnquery2xml(const Z_RPNQuery *rpn, xmlDocPtr *docp)
{
Z_Query query;
query.which = Z_Query_type_1;
query.u.type_1 = (Z_RPNQuery *) rpn;
yaz_query2xml(&query, docp);
}
void yf::QueryRewrite::Rep::process(mp::Package &package) const
{
Z_GDU *gdu = package.request().get();
if (gdu && gdu->which == Z_GDU_Z3950)
{
Z_APDU *apdu_req = gdu->u.z3950;
if (apdu_req->which == Z_APDU_searchRequest)
{
int error_code = 0;
const char *addinfo = 0;
mp::odr odr;
Z_SearchRequest *req = apdu_req->u.searchRequest;
if (m_stylesheet)
{
xmlDocPtr doc_input = 0;
yaz_query2xml(req->query, &doc_input);
if (doc_input)
{
xmlDocPtr doc_res = xsltApplyStylesheet(m_stylesheet,
doc_input, 0);
if (!doc_res)
{
error_code = YAZ_BIB1_MALFORMED_QUERY;
addinfo = "XSLT transform failed for query";
}
else
{
const xmlNode *root_element = xmlDocGetRootElement(doc_res);
yaz_xml2query(root_element, &req->query, odr,
&error_code, &addinfo);
xmlFreeDoc(doc_res);
}
xmlFreeDoc(doc_input);
}
}
if (!error_code && charset_to.length() && charset_from.length() &&
(req->query->which == Z_Query_type_1
|| req->query->which == Z_Query_type_101))
{
yaz_iconv_t cd = yaz_iconv_open(charset_to.c_str(),
charset_from.c_str());
if (cd)
{
int r = yaz_query_charset_convert_rpnquery_check(
req->query->u.type_1, odr, cd);
yaz_iconv_close(cd);
if (r)
{ /* query could not be char converted */
error_code = YAZ_BIB1_MALFORMED_QUERY;
addinfo = "could not convert query to target charset";
}
}
}
if (error_code)
{
Z_APDU *f_apdu =
odr.create_searchResponse(apdu_req, error_code, addinfo);
package.response() = f_apdu;
return;
}
package.request() = gdu;
}
}
package.move();
}
