+void yf::Zoom::Impl::configure_local_records(const xmlNode *ptr, bool test_only)
+{
+ while (ptr && ptr->type != XML_ELEMENT_NODE)
+ ptr = ptr->next;
+
+ if (ptr)
+ {
+ if (!strcmp((const char *) ptr->name, "records"))
+ {
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ {
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ if (!strcmp((const char *) ptr->name, "record"))
+ {
+ SearchablePtr s = parse_torus_record(ptr);
+ if (s)
+ {
+ std::string udb = s->udb;
+ if (udb.length())
+ s_map[s->udb] = s;
+ else
+ {
+ throw mp::filter::FilterException
+ ("No udb for local torus record");
+ }
+ }
+ }
+ else
+ {
+ throw mp::filter::FilterException
+ ("Bad element "
+ + std::string((const char *) ptr->name)
+ + " in zoom filter inside element "
+ "<torus><records>");
+ }
+ }
+ }
+ else
+ {
+ throw mp::filter::FilterException
+ ("Bad element "
+ + std::string((const char *) ptr->name)
+ + " in zoom filter inside element <torus>");
+ }
+ }
+}
+
+void yf::Zoom::Impl::configure(const xmlNode *ptr, bool test_only,
+ const char *path)
+{
+ content_tmp_file = "/tmp/mp_content_proxy.";
+ if (path && *path)
+ {
+ file_path = path;
+ }
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ {
+ if (ptr->type != XML_ELEMENT_NODE)
+ continue;
+ else if (!strcmp((const char *) ptr->name, "torus"))
+ {
+ const struct _xmlAttr *attr;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "url"))
+ torus_url = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "xsldir"))
+ xsldir = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "element_transform"))
+ element_transform = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "element_raw"))
+ element_raw = mp::xml::get_text(attr->children);
+ else
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
+ }
+ configure_local_records(ptr->children, test_only);
+ }
+ else if (!strcmp((const char *) ptr->name, "cclmap"))
+ {
+ const char *addinfo = 0;
+ ccl_xml_config(bibset, ptr, &addinfo);
+ }
+ else if (!strcmp((const char *) ptr->name, "fieldmap"))
+ {
+ const struct _xmlAttr *attr;
+ std::string ccl_field;
+ std::string cql_field;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "ccl"))
+ ccl_field = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "cql"))
+ cql_field = mp::xml::get_text(attr->children);
+ else
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
+ }
+ if (cql_field.length())
+ fieldmap[cql_field] = ccl_field;
+ }
+ else if (!strcmp((const char *) ptr->name, "contentProxy"))
+ {
+ const struct _xmlAttr *attr;
+ for (attr = ptr->properties; attr; attr = attr->next)
+ {
+ if (!strcmp((const char *) attr->name, "server"))
+ content_proxy_server = mp::xml::get_text(attr->children);
+ else if (!strcmp((const char *) attr->name, "tmp_file"))
+ content_tmp_file = mp::xml::get_text(attr->children);
+ else
+ throw mp::filter::FilterException(
+ "Bad attribute " + std::string((const char *)
+ attr->name));
+ }
+ }
+ else
+ {
+ throw mp::filter::FilterException
+ ("Bad element "
+ + std::string((const char *) ptr->name)
+ + " in zoom filter");
+ }
+ }
+}
+
+yf::Zoom::BackendPtr yf::Zoom::Frontend::get_backend_from_databases(
+ std::string &database, int *error, char **addinfo, ODR odr)
+{
+ std::list<BackendPtr>::const_iterator map_it;
+ if (m_backend && m_backend->m_frontend_database == database)
+ return m_backend;
+
+ std::string db_args;
+ std::string torus_db;
+ size_t db_arg_pos = database.find(',');
+ if (db_arg_pos != std::string::npos)
+ {
+ torus_db = database.substr(0, db_arg_pos);
+ db_args = database.substr(db_arg_pos + 1);
+ }
+ else
+ torus_db = database;
+
+ SearchablePtr sptr;
+
+ std::map<std::string,SearchablePtr>::iterator it;
+ it = m_p->s_map.find(torus_db);
+ if (it != m_p->s_map.end())
+ sptr = it->second;
+ else
+ {
+ xmlDoc *doc = mp::get_searchable(m_p->torus_url, torus_db);
+ if (!doc)
+ {
+ *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
+ *addinfo = odr_strdup(odr, database.c_str());
+ BackendPtr b;
+ return b;
+ }
+ const xmlNode *ptr = xmlDocGetRootElement(doc);
+ if (ptr)
+ { // presumably ptr is a records element node
+ // parse first record in document
+ for (ptr = ptr->children; ptr; ptr = ptr->next)
+ {
+ if (ptr->type == XML_ELEMENT_NODE
+ && !strcmp((const char *) ptr->name, "record"))
+ {
+ sptr = m_p->parse_torus_record(ptr);
+ break;
+ }
+ }
+ }
+ xmlFreeDoc(doc);
+ }
+
+ if (!sptr)
+ {
+ *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
+ *addinfo = odr_strdup(odr, database.c_str());
+ BackendPtr b;
+ return b;
+ }
+
+ xsltStylesheetPtr xsp = 0;
+ if (sptr->transform_xsl_fname.length())
+ {
+ const char *path = 0;
+
+ if (m_p->xsldir.length())
+ path = m_p->xsldir.c_str();
+ else
+ path = m_p->file_path.c_str();
+ std::string fname;
+
+ char fullpath[1024];
+ char *cp = yaz_filepath_resolve(sptr->transform_xsl_fname.c_str(),
+ path, 0, fullpath);
+ if (cp)
+ fname.assign(cp);
+ else
+ {
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ *addinfo = (char *)
+ odr_malloc(odr, 40 + sptr->transform_xsl_fname.length());
+ sprintf(*addinfo, "File could not be read: %s",
+ sptr->transform_xsl_fname.c_str());
+ BackendPtr b;
+ return b;
+ }
+ xmlDoc *xsp_doc = xmlParseFile(fname.c_str());
+ if (!xsp_doc)
+ {
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ *addinfo = (char *) odr_malloc(odr, 40 + fname.length());
+ sprintf(*addinfo, "xmlParseFile failed. File: %s", fname.c_str());
+ BackendPtr b;
+ return b;
+ }
+ xsp = xsltParseStylesheetDoc(xsp_doc);
+ if (!xsp)
+ {
+ *error = YAZ_BIB1_DATABASE_DOES_NOT_EXIST;
+ *addinfo = odr_strdup(odr, "xsltParseStylesheetDoc failed");
+ BackendPtr b;
+ xmlFreeDoc(xsp_doc);
+ return b;
+ }
+ }
+
+ m_backend.reset();
+
+ BackendPtr b(new Backend(sptr));
+
+ b->xsp = xsp;
+ b->m_frontend_database = database;
+
+ if (sptr->query_encoding.length())
+ b->set_option("rpnCharset", sptr->query_encoding);
+
+ b->set_option("timeout", "40");
+
+
+ std::string authentication = sptr->authentication;
+ std::string proxy = sptr->cfProxy;
+
+ const char *param_user = 0;
+ const char *param_password = 0;
+ const char *param_proxy = 0;
+ if (db_args.length())
+ {
+ char **names;
+ char **values;
+ int i;
+ int no_parms = yaz_uri_to_array(db_args.c_str(),
+ odr, &names, &values);
+ for (i = 0; i < no_parms; i++)
+ {
+ const char *name = names[i];
+ const char *value = values[i];
+ if (!strcmp(name, "user"))
+ param_user = value;
+ else if (!strcmp(name, "password"))
+ param_password = value;
+ else if (!strcmp(name, "proxy"))
+ param_proxy = value;
+ else if (!strcmp(name, "cproxysession"))
+ ;
+ else
+ {
+ BackendPtr notfound;
+ char *msg = (char*) odr_malloc(odr, strlen(name) + 30);
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ sprintf(msg, "Bad database argument: %s", name);
+ *addinfo = msg;
+ return notfound;
+ }
+ }
+ if (param_user)
+ {
+ authentication = std::string(param_user);
+ if (param_password)
+ authentication += "/" + std::string(param_password);
+ }
+ if (param_proxy)
+ proxy = param_proxy;
+ }
+
+ if (sptr->cfAuth.length())
+ {
+ // A CF target
+ b->set_option("user", sptr->cfAuth);
+ if (!param_user && !param_password && authentication.length())
+ {
+ if (db_args.length())
+ db_args += "&";
+ // no database (auth) args specified already.. and the
+ // Torus authentication has it.. Generate the args that CF
+ // understands..
+ size_t found = authentication.find('/');
+ if (found != std::string::npos)
+ {
+ db_args += "user=" +
+ mp::util::uri_encode(authentication.substr(0, found))
+ + "&password=" +
+ mp::util::uri_encode(authentication.substr(found+1));
+ }
+ else
+ db_args += "user=" + mp::util::uri_encode(authentication);
+ }
+ if (!param_proxy && proxy.length())
+ {
+ if (db_args.length())
+ db_args += "&";
+ db_args += "proxy=" + mp::util::uri_encode(proxy);
+ }
+ if (sptr->cfSubDb.length())
+ {
+ if (db_args.length())
+ db_args += "&";
+ db_args += "subdatabase=" + mp::util::uri_encode(sptr->cfSubDb);
+ }
+ }
+ else
+ {
+ db_args.clear(); // no arguments to be passed (non-CF)
+
+ size_t found = authentication.find('/');
+
+ if (sptr->sru.length() && found != std::string::npos)
+ {
+ b->set_option("user", authentication.substr(0, found));
+ b->set_option("password", authentication.substr(found+1));
+ }
+ else
+ b->set_option("user", authentication);
+
+ if (proxy.length())
+ b->set_option("proxy", proxy);
+ }
+ if (b->sptr->contentConnector.length())
+ {
+ int fd;
+
+ char *fname = (char *) xmalloc(m_p->content_tmp_file.length() + 8);
+ strcpy(fname, m_p->content_tmp_file.c_str());
+ strcat(fname, "XXXXXX");
+ fd = mkstemp(fname);
+
+ if (fd == -1)
+ {
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "create %s", fname);
+ *error = YAZ_BIB1_TEMPORARY_SYSTEM_ERROR;
+ *addinfo = (char *) odr_malloc(odr, 40 + strlen(fname));
+ sprintf(*addinfo, "Could not create %s", fname);
+ xfree(fname);
+ BackendPtr backend_null;
+ return backend_null;
+ }
+ b->content_session_id.assign(fname + (strlen(fname) - 6));
+ WRBUF w = wrbuf_alloc();
+ wrbuf_puts(w, "#content_proxy\n");
+ wrbuf_printf(w, "connector: %s\n", b->sptr->contentConnector.c_str());
+ if (authentication.length())
+ wrbuf_printf(w, "authentication: %s\n", authentication.c_str());
+ if (proxy.length())
+ wrbuf_printf(w, "proxy: %s\n", proxy.c_str());
+ if (sptr->cfAuth.length())
+ wrbuf_printf(w, "cfauth: %s\n", sptr->cfAuth.c_str());
+ if (sptr->cfProxy.length())
+ wrbuf_printf(w, "cfproxy: %s\n", sptr->cfProxy.c_str());
+
+ write(fd, wrbuf_buf(w), wrbuf_len(w));
+ close(fd);
+ yaz_log(YLOG_LOG, "file %s created\n", fname);
+ xfree(fname);
+ }
+
+
+ std::string url;
+ if (sptr->sru.length())
+ {
+ url = "http://" + sptr->target;
+ b->set_option("sru", sptr->sru);
+ }
+ else
+ {
+ url = sptr->target;
+ }
+ if (db_args.length())
+ url += "," + db_args;
+ yaz_log(YLOG_LOG, "url=%s", url.c_str());
+ b->connect(url, error, addinfo, odr);
+ if (*error == 0)
+ {
+ m_backend = b;
+ }
+ return b;
+}
+
+Z_Records *yf::Zoom::Frontend::get_records(Odr_int start,
+ Odr_int number_to_present,
+ int *error,
+ char **addinfo,
+ Odr_int *number_of_records_returned,
+ ODR odr,
+ BackendPtr b,
+ Odr_oid *preferredRecordSyntax,
+ const char *element_set_name)
+{
+ *number_of_records_returned = 0;
+ Z_Records *records = 0;
+ bool enable_pz2_retrieval = false; // whether target profile is used
+ bool enable_pz2_transform = false; // whether XSLT is used as well
+ bool assume_marc8_charset = false;
+
+ if (start < 0 || number_to_present <= 0)
+ return records;
+
+ if (number_to_present > 10000)
+ number_to_present = 10000;
+
+ ZOOM_record *recs = (ZOOM_record *)
+ odr_malloc(odr, number_to_present * sizeof(*recs));
+
+ char oid_name_str[OID_STR_MAX];
+ const char *syntax_name = 0;
+
+ if (preferredRecordSyntax &&
+ !oid_oidcmp(preferredRecordSyntax, yaz_oid_recsyn_xml)
+ && element_set_name)
+ {
+ if (!strcmp(element_set_name, m_p->element_transform.c_str()))
+ {
+ enable_pz2_retrieval = true;
+ enable_pz2_transform = true;
+ }
+ else if (!strcmp(element_set_name, m_p->element_raw.c_str()))
+ {
+ enable_pz2_retrieval = true;
+ }
+ }
+
+ if (enable_pz2_retrieval)
+ {
+ if (b->sptr->request_syntax.length())
+ {
+ syntax_name = b->sptr->request_syntax.c_str();
+ const Odr_oid *syntax_oid =
+ yaz_string_to_oid(yaz_oid_std(), CLASS_RECSYN, syntax_name);
+ if (!oid_oidcmp(syntax_oid, yaz_oid_recsyn_usmarc)
+ || !oid_oidcmp(syntax_oid, yaz_oid_recsyn_opac))
+ assume_marc8_charset = true;
+ }
+ }
+ else if (preferredRecordSyntax)
+ syntax_name =
+ yaz_oid_to_string_buf(preferredRecordSyntax, 0, oid_name_str);
+
+ b->set_option("preferredRecordSyntax", syntax_name);
+
+ if (enable_pz2_retrieval)
+ {
+ element_set_name = 0;
+ if (b->sptr->element_set.length())
+ element_set_name = b->sptr->element_set.c_str();
+ }
+
+ b->set_option("elementSetName", element_set_name);
+
+ b->present(start, number_to_present, recs, error, addinfo, odr);
+
+ Odr_int i = 0;
+ if (!*error)
+ {
+ for (i = 0; i < number_to_present; i++)
+ if (!recs[i])
+ break;
+ }
+ if (i > 0)
+ { // only return records if no error and at least one record
+ char *odr_database = odr_strdup(odr,
+ b->m_frontend_database.c_str());
+ Z_NamePlusRecordList *npl = (Z_NamePlusRecordList *)
+ odr_malloc(odr, sizeof(*npl));
+ *number_of_records_returned = i;
+ npl->num_records = i;
+ npl->records = (Z_NamePlusRecord **)
+ odr_malloc(odr, i * sizeof(*npl->records));
+ for (i = 0; i < number_to_present; i++)
+ {
+ Z_NamePlusRecord *npr = 0;
+ const char *addinfo;
+ int sur_error = ZOOM_record_error(recs[i], 0 /* msg */,
+ &addinfo, 0 /* diagset */);
+
+ if (sur_error)
+ {
+ npr = zget_surrogateDiagRec(odr, odr_database, sur_error,
+ addinfo);
+ }
+ else if (enable_pz2_retrieval)
+ {
+ char rec_type_str[100];
+ const char *record_encoding = 0;
+
+ if (b->sptr->record_encoding.length())
+ record_encoding = b->sptr->record_encoding.c_str();
+ else if (assume_marc8_charset)
+ record_encoding = "marc8";
+
+ strcpy(rec_type_str, b->sptr->use_turbomarc ? "txml" : "xml");
+ if (record_encoding)
+ {
+ strcat(rec_type_str, "; charset=");
+ strcat(rec_type_str, record_encoding);
+ }
+
+ int rec_len;
+ xmlChar *xmlrec_buf = 0;
+ const char *rec_buf = ZOOM_record_get(recs[i], rec_type_str,
+ &rec_len);
+ if (!rec_buf && !npr)
+ {
+ std::string addinfo("ZOOM_record_get failed for type ");
+
+ addinfo += rec_type_str;
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ addinfo.c_str());
+ }
+
+ if (rec_buf && b->xsp && enable_pz2_transform)
+ {
+ xmlDoc *rec_doc = xmlParseMemory(rec_buf, rec_len);
+ if (!rec_doc)
+ {
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ "xml parse failed for record");
+ }
+ else
+ {
+ xmlDoc *rec_res =
+ xsltApplyStylesheet(b->xsp, rec_doc, 0);
+
+ if (rec_res)
+ {
+ xsltSaveResultToString(&xmlrec_buf, &rec_len,
+ rec_res, b->xsp);
+ rec_buf = (const char *) xmlrec_buf;
+
+ xmlFreeDoc(rec_res);
+ }
+ if (!rec_buf)
+ {
+ std::string addinfo;
+
+ addinfo = "xslt apply failed for "
+ + b->sptr->transform_xsl_fname;
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ addinfo.c_str());
+ }
+ xmlFreeDoc(rec_doc);
+ }
+ }
+
+ if (rec_buf)
+ {
+ xmlDoc *doc = xmlParseMemory(rec_buf, rec_len);
+ std::string res =
+ mp::xml::url_recipe_handle(doc, b->sptr->urlRecipe);
+ if (res.length() && b->content_session_id.length())
+ {
+ size_t off = res.find_first_of("://");
+ if (off != std::string::npos)
+ {
+ char tmp[1024];
+ sprintf(tmp, "%s.%s/",
+ b->content_session_id.c_str(),
+ m_p->content_proxy_server.c_str());
+ res.insert(off + 3, tmp);
+ }
+ }
+ if (res.length())
+ {
+ xmlNode *ptr = xmlDocGetRootElement(doc);
+ while (ptr && ptr->type != XML_ELEMENT_NODE)
+ ptr = ptr->next;
+ xmlNode *c =
+ xmlNewChild(ptr, 0, BAD_CAST "generated-url", 0);
+ xmlNode * t = xmlNewText(BAD_CAST res.c_str());
+ xmlAddChild(c, t);
+
+ if (xmlrec_buf)
+ xmlFree(xmlrec_buf);
+
+ xmlDocDumpMemory(doc, &xmlrec_buf, &rec_len);
+ rec_buf = (const char *) xmlrec_buf;
+ }
+ xmlFreeDoc(doc);
+ }
+ if (!npr)
+ {
+ if (!rec_buf)
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ rec_type_str);
+ else
+ {
+ npr = (Z_NamePlusRecord *)
+ odr_malloc(odr, sizeof(*npr));
+ npr->databaseName = odr_database;
+ npr->which = Z_NamePlusRecord_databaseRecord;
+ npr->u.databaseRecord =
+ z_ext_record_xml(odr, rec_buf, rec_len);
+ }
+ }
+ if (xmlrec_buf)
+ xmlFree(xmlrec_buf);
+ }
+ else
+ {
+ Z_External *ext =
+ (Z_External *) ZOOM_record_get(recs[i], "ext", 0);
+ if (ext)
+ {
+ npr = (Z_NamePlusRecord *) odr_malloc(odr, sizeof(*npr));
+ npr->databaseName = odr_database;
+ npr->which = Z_NamePlusRecord_databaseRecord;
+ npr->u.databaseRecord = ext;
+ }
+ else
+ {
+ npr = zget_surrogateDiagRec(
+ odr, odr_database,
+ YAZ_BIB1_SYSTEM_ERROR_IN_PRESENTING_RECORDS,
+ "ZOOM_record, type ext");
+ }
+ }
+ npl->records[i] = npr;
+ }
+ records = (Z_Records*) odr_malloc(odr, sizeof(*records));
+ records->which = Z_Records_DBOSD;
+ records->u.databaseOrSurDiagnostics = npl;
+ }
+ return records;
+}
+
+struct cql_node *yf::Zoom::Impl::convert_cql_fields(struct cql_node *cn,
+ ODR odr)
+{
+ struct cql_node *r = 0;
+ if (!cn)
+ return 0;
+ switch (cn->which)
+ {
+ case CQL_NODE_ST:
+ if (cn->u.st.index)
+ {
+ std::map<std::string,std::string>::const_iterator it;
+ it = fieldmap.find(cn->u.st.index);
+ if (it == fieldmap.end())
+ return cn;
+ if (it->second.length())
+ cn->u.st.index = odr_strdup(odr, it->second.c_str());
+ else
+ cn->u.st.index = 0;
+ }
+ break;
+ case CQL_NODE_BOOL:
+ r = convert_cql_fields(cn->u.boolean.left, odr);
+ if (!r)
+ r = convert_cql_fields(cn->u.boolean.right, odr);
+ break;
+ case CQL_NODE_SORT:
+ r = convert_cql_fields(cn->u.sort.search, odr);
+ break;
+ }
+ return r;
+}
+
+static void sort_pqf_type_7(WRBUF pqf_wrbuf, const char *sru_sortkeys)
+{
+ /* sortkey layour: path,schema,ascending,caseSensitive,missingValue */
+ /* see cql_sortby_to_sortkeys of YAZ. */
+ char **sortspec;
+ int num_sortspec = 0;
+ int i;
+ NMEM nmem = nmem_create();
+
+ if (sru_sortkeys)
+ nmem_strsplit_blank(nmem, sru_sortkeys, &sortspec, &num_sortspec);
+ if (num_sortspec > 0)
+ {
+ WRBUF w = wrbuf_alloc();
+ for (i = 0; i < num_sortspec; i++)
+ {
+ char **arg;
+ int num_arg;
+ int ascending = 1;
+ nmem_strsplitx(nmem, ",", sortspec[i], &arg, &num_arg, 0);
+
+ if (num_arg > 2 && arg[2][0])
+ ascending = atoi(arg[2]);
+
+ wrbuf_puts(w, "@or @attr 1=");
+ yaz_encode_pqf_term(w, arg[0], strlen(arg[0]));
+ wrbuf_printf(w, "@attr 7=%d %d ", ascending ? 1 : 2, i);
+ }
+ if (wrbuf_len(w))
+ {
+ wrbuf_puts(w, wrbuf_cstr(pqf_wrbuf));
+ wrbuf_rewind(pqf_wrbuf);
+ wrbuf_puts(pqf_wrbuf, wrbuf_cstr(w));
+ }
+ wrbuf_destroy(w);
+ }
+ nmem_destroy(nmem);
+}
+
+static void sort_via_cql(WRBUF cql_sortby, const char *sru_sortkeys)
+{
+ /* sortkey layour: path,schema,ascending,caseSensitive,missingValue */
+ /* see cql_sortby_to_sortkeys of YAZ. */
+ char **sortspec;
+ int num_sortspec = 0;
+ int i;
+ NMEM nmem = nmem_create();
+
+ if (sru_sortkeys)
+ nmem_strsplit_blank(nmem, sru_sortkeys, &sortspec, &num_sortspec);
+ if (num_sortspec > 0)
+ {
+ WRBUF w = wrbuf_alloc();
+ for (i = 0; i < num_sortspec; i++)
+ {
+ char **arg;
+ int num_arg;
+ int ascending = 1;
+ int case_sensitive = 0;
+ const char *missing = 0;
+ nmem_strsplitx(nmem, ",", sortspec[i], &arg, &num_arg, 0);
+
+ if (num_arg > 2 && arg[2][0])
+ ascending = atoi(arg[2]);
+ if (num_arg > 3 && arg[3][0])
+ case_sensitive = atoi(arg[3]);
+ if (num_arg > 4 && arg[4][0])
+ missing = arg[4];
+ if (i > 0)
+ wrbuf_puts(w, " ");
+ else
+ wrbuf_puts(w, " sortby ");
+ wrbuf_puts(w, arg[0]); /* field */
+ wrbuf_puts(w, "/");
+ wrbuf_puts(w, ascending ? "ascending" : "descending");
+ if (case_sensitive)
+ wrbuf_puts(w, "/respectCase");
+ if (missing)
+ {
+ if (!strcmp(missing, "omit"))
+ wrbuf_puts(w, "/missingOmit");
+ else if (!strcmp(missing, "abort"))
+ wrbuf_puts(w, "/missingFail");
+ else if (!strcmp(missing, "lowValue"))
+ wrbuf_puts(w, "/missingLow");
+ else if (!strcmp(missing, "highValue"))
+ wrbuf_puts(w, "/missingHigh");
+ }
+ }
+ if (wrbuf_len(w))
+ wrbuf_puts(cql_sortby, wrbuf_cstr(w));
+ wrbuf_destroy(w);
+ }
+ nmem_destroy(nmem);
+}
+
+#if YAZ_VERSIONL < 0x40206
+static void wrbuf_vp_puts(const char *buf, void *client_data)
+{
+ WRBUF b = (WRBUF) client_data;
+ wrbuf_puts(b, buf);
+}
+#endif
+
+void yf::Zoom::Frontend::handle_search(mp::Package &package)