// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany // first published 28.08.2007 on http://yacy.net // // This is a part of YaCy, a peer-to-peer based web search engine // // LICENSE // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import java.nio.charset.StandardCharsets; import java.text.ParseException; import java.util.AbstractMap; import java.util.Date; import java.util.Iterator; import java.util.LinkedList; import java.util.Map; import org.apache.solr.util.DateFormatUtil; import net.yacy.cora.date.AbstractFormatter; import net.yacy.cora.document.analysis.Classification.ContentDomain; import net.yacy.cora.document.id.MultiProtocolURL; import net.yacy.cora.lod.vocabulary.Tagging; import net.yacy.cora.protocol.RequestHeader; import net.yacy.cora.sorting.ScoreMap; import net.yacy.document.DateDetection; import net.yacy.document.LibraryProvider; import net.yacy.kelondro.util.ISO639; import net.yacy.peers.graphics.ProfilingGraph; import net.yacy.search.EventTracker; import net.yacy.search.Switchboard; import net.yacy.search.SwitchboardConstants; import net.yacy.search.navigator.Navigator; import net.yacy.search.query.QueryParams; import net.yacy.search.query.SearchEvent; import net.yacy.search.query.SearchEventCache; import net.yacy.search.query.SearchEventType; import net.yacy.server.serverObjects; import net.yacy.server.serverSwitch; public class yacysearchtrailer { private static final int TOPWORDS_MAXCOUNT = 16; private static final int TOPWORDS_MINSIZE = 8; private static final int TOPWORDS_MAXSIZE = 22; @SuppressWarnings({ }) public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) { final serverObjects prop = new serverObjects(); final Switchboard sb = (Switchboard) env; final String eventID = post.get("eventID", ""); final boolean authorized = sb.verifyAuthentication(header); final boolean clustersearch = sb.isRobinsonMode() && sb.getConfig(SwitchboardConstants.CLUSTER_MODE, "").equals(SwitchboardConstants.CLUSTER_MODE_PUBLIC_CLUSTER); final boolean indexReceiveGranted = sb.getConfigBool(SwitchboardConstants.INDEX_RECEIVE_ALLOW_SEARCH, true) || clustersearch; boolean p2pmode = sb.peers != null && sb.peers.sizeConnected() > 0 && indexReceiveGranted; boolean global = post == null || (!post.get("resource-switch", post.get("resource", "global")).equals("local") && p2pmode); boolean stealthmode = p2pmode && !global; prop.put("resource-select", !authorized ? 0 : stealthmode ? 2 : global ? 1 : 0); // find search event final SearchEvent theSearch = SearchEventCache.getEvent(eventID); if (theSearch == null) { // the event does not exist, show empty page return prop; } final RequestHeader.FileType fileType = header.fileType(); // compose search navigation ContentDomain contentdom = theSearch.getQuery().contentdom; prop.put("searchdomswitches", sb.getConfigBool("search.text", true) || sb.getConfigBool("search.audio", true) || sb.getConfigBool("search.video", true) || sb.getConfigBool("search.image", true) || sb.getConfigBool("search.app", true) ? 1 : 0); prop.put("searchdomswitches_searchtext", sb.getConfigBool("search.text", true) ? 1 : 0); prop.put("searchdomswitches_searchaudio", sb.getConfigBool("search.audio", true) ? 1 : 0); prop.put("searchdomswitches_searchvideo", sb.getConfigBool("search.video", true) ? 1 : 0); prop.put("searchdomswitches_searchimage", sb.getConfigBool("search.image", true) ? 1 : 0); prop.put("searchdomswitches_searchapp", sb.getConfigBool("search.app", true) ? 1 : 0); prop.put("searchdomswitches_searchtext_check", (contentdom == ContentDomain.TEXT || contentdom == ContentDomain.ALL) ? "1" : "0"); prop.put("searchdomswitches_searchaudio_check", (contentdom == ContentDomain.AUDIO) ? "1" : "0"); prop.put("searchdomswitches_searchvideo_check", (contentdom == ContentDomain.VIDEO) ? "1" : "0"); prop.put("searchdomswitches_searchimage_check", (contentdom == ContentDomain.IMAGE) ? "1" : "0"); prop.put("searchdomswitches_searchapp_check", (contentdom == ContentDomain.APP) ? "1" : "0"); String name; int count; Iterator navigatorIterator; // domain navigators final ScoreMap hostNavigator = theSearch.hostNavigator; if (hostNavigator == null || hostNavigator.isEmpty()) { prop.put("nav-domains", 0); } else { prop.put("nav-domains", 1); navigatorIterator = hostNavigator.keys(false); int i = 0, pos = 0, neg = 0; String nav, rawNav; while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) { name = navigatorIterator.next(); count = hostNavigator.get(name); if (count == 0) break; nav = "site%3A" + name; /* Avoid double percent encoding in QueryParams.navurl */ rawNav = "site:" + name; if (theSearch.query.modifier.sitehost == null || !theSearch.query.modifier.sitehost.contains(name)) { pos++; prop.put("nav-domains_element_" + i + "_on", 1); prop.put(fileType, "nav-domains_element_" + i + "_modifier", nav); } else { neg++; prop.put("nav-domains_element_" + i + "_on", 0); prop.put(fileType, "nav-domains_element_" + i + "_modifier", "-" + nav); nav=""; rawNav = ""; } prop.put(fileType, "nav-domains_element_" + i + "_name", name); prop.put(fileType, "nav-domains_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString()); prop.put(fileType, "nav-domains_element_" + i + "_id", "domains_" + i); prop.put("nav-domains_element_" + i + "_count", count); prop.put("nav-domains_element_" + i + "_nl", 1); i++; } prop.put("nav-domains_element", i); prop.put("nav-domains_count", i); i--; prop.put("nav-domains_element_" + i + "_nl", 0); if (pos == 1 && neg == 0) prop.put("nav-domains", 0); // this navigation is not useful } // language navigators final ScoreMap languageNavigator = theSearch.languageNavigator; if (languageNavigator == null || languageNavigator.isEmpty()) { prop.put("nav-languages", 0); } else { prop.put("nav-languages", 1); navigatorIterator = languageNavigator.keys(false); int i = 0, pos = 0, neg = 0; String nav, rawNav; while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) { name = navigatorIterator.next(); count = languageNavigator.get(name); if (count == 0) break; nav = "%2Flanguage%2F" + name; /* Avoid double percent encoding in QueryParams.navurl */ rawNav = "/language/" + name; if (theSearch.query.modifier.language == null || !theSearch.query.modifier.language.contains(name)) { pos++; prop.put("nav-languages_element_" + i + "_on", 1); prop.put(fileType, "nav-languages_element_" + i + "_modifier", nav); } else { neg++; prop.put("nav-languages_element_" + i + "_on", 0); prop.put(fileType, "nav-languages_element_" + i + "_modifier", "-" + nav); nav=""; rawNav = ""; } String longname = ISO639.country(name); prop.put(fileType, "nav-languages_element_" + i + "_name", longname == null ? name : longname); prop.put(fileType, "nav-languages_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString()); prop.put(fileType, "nav-languages_element_" + i + "_id", "languages_" + i); prop.put("nav-languages_element_" + i + "_count", count); prop.put("nav-languages_element_" + i + "_nl", 1); i++; } prop.put("nav-languages_element", i); prop.put("nav-languages_count", i); i--; prop.put("nav-languages_element_" + i + "_nl", 0); if (pos == 1 && neg == 0) prop.put("nav-languages", 0); // this navigation is not useful } // topics navigator final ScoreMap topicNavigator = theSearch.getTopicNavigator(TOPWORDS_MAXCOUNT); if (topicNavigator == null || topicNavigator.isEmpty()) { prop.put("nav-topics", "0"); } else { prop.put("nav-topics", "1"); navigatorIterator = topicNavigator.keys(false); int i = 0; // first sort the list to a form where the greatest element is in the middle LinkedList> cloud = new LinkedList>(); int mincount = Integer.MAX_VALUE; int maxcount = 0; while (i < TOPWORDS_MAXCOUNT && navigatorIterator.hasNext()) { name = navigatorIterator.next(); count = topicNavigator.get(name); if (count == 0) break; if (name == null) continue; int normcount = (count + TOPWORDS_MAXCOUNT - i) / 2; if (normcount > maxcount) maxcount = normcount; if (normcount < mincount) mincount = normcount; Map.Entry entry = new AbstractMap.SimpleEntry(name, normcount); if (cloud.size() % 2 == 0) cloud.addFirst(entry); else cloud.addLast(entry); // alternating add entry to first or last position. i++; } i= 0; for (Map.Entry entry: cloud) { name = entry.getKey(); count = entry.getValue(); prop.put("nav-topics_element_" + i + "_on", 1); prop.put(fileType, "nav-topics_element_" + i + "_modifier", name); prop.put(fileType, "nav-topics_element_" + i + "_name", name); prop.put(fileType, "nav-topics_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, name, false).toString()); prop.put("nav-topics_element_" + i + "_count", count); int fontsize = TOPWORDS_MINSIZE + (TOPWORDS_MAXSIZE - TOPWORDS_MINSIZE) * (count - mincount) / (1 + maxcount - mincount); fontsize = Math.max(TOPWORDS_MINSIZE, fontsize - (name.length() - 5)); prop.put("nav-topics_element_" + i + "_size", fontsize); // font size in pixel prop.put("nav-topics_element_" + i + "_nl", 1); i++; } prop.put("nav-topics_element", i); prop.put("nav-topics_count", i); i--; prop.put("nav-topics_element_" + i + "_nl", 0); } // protocol navigators if (theSearch.protocolNavigator == null || theSearch.protocolNavigator.isEmpty()) { prop.put("nav-protocols", 0); } else { prop.put("nav-protocols", 1); //int httpCount = theSearch.protocolNavigator.delete("http"); //int httpsCount = theSearch.protocolNavigator.delete("https"); //theSearch.protocolNavigator.inc("http(s)", httpCount + httpsCount); navigatorIterator = theSearch.protocolNavigator.keys(false); int i = 0, pos = 0, neg = 0; String nav, rawNav; String oldQuery = theSearch.query.getQueryGoal().query_original; // prepare hack to make radio-button like navigation String oldProtocolModifier = theSearch.query.modifier.protocol; if (oldProtocolModifier != null && oldProtocolModifier.length() > 0) {theSearch.query.modifier.remove("/" + oldProtocolModifier); theSearch.query.modifier.remove(oldProtocolModifier);} theSearch.query.modifier.protocol = ""; theSearch.query.getQueryGoal().query_original = oldQuery.replaceAll(" /https", "").replaceAll(" /http", "").replaceAll(" /ftp", "").replaceAll(" /smb", "").replaceAll(" /file", ""); while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) { name = navigatorIterator.next().trim(); count = theSearch.protocolNavigator.get(name); if (count == 0) break; nav = "%2F" + name; /* Avoid double percent encoding in QueryParams.navurl */ rawNav = "/" + name; if (oldProtocolModifier == null || !oldProtocolModifier.equals(name)) { pos++; prop.put("nav-protocols_element_" + i + "_on", 0); prop.put(fileType, "nav-protocols_element_" + i + "_modifier", nav); } else { neg++; prop.put("nav-protocols_element_" + i + "_on", 1); prop.put(fileType, "nav-protocols_element_" + i + "_modifier", "-" + nav); nav=""; rawNav = ""; } prop.put(fileType, "nav-protocols_element_" + i + "_name", name); String url = QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString(); prop.put("nav-protocols_element_" + i + "_on_url", url); prop.put(fileType, "nav-protocols_element_" + i + "_url", url); prop.put("nav-protocols_element_" + i + "_count", count); prop.put("nav-protocols_element_" + i + "_nl", 1); i++; } theSearch.query.modifier.protocol = oldProtocolModifier; if (oldProtocolModifier != null && oldProtocolModifier.length() > 0) theSearch.query.modifier.add(oldProtocolModifier.startsWith("/") ? oldProtocolModifier : "/" + oldProtocolModifier); theSearch.query.getQueryGoal().query_original = oldQuery; prop.put("nav-protocols_element", i); prop.put("nav-protocols_count", i); i--; prop.put("nav-protocols_element_" + i + "_nl", 0); if (pos == 1 && neg == 0) prop.put("nav-protocols", 0); // this navigation is not useful } // date navigators if (theSearch.dateNavigator == null || theSearch.dateNavigator.isEmpty()) { prop.put("nav-dates", 0); } else { prop.put("nav-dates", 1); navigatorIterator = theSearch.dateNavigator.iterator(); // this iterator is different as it iterates by the key order (which is a date order) int i = 0, pos = 0, neg = 0; long dx = -1; Date fromconstraint = theSearch.getQuery().modifier.from == null ? null : DateDetection.parseLine(theSearch.getQuery().modifier.from, theSearch.getQuery().timezoneOffset); if (fromconstraint == null) fromconstraint = new Date(System.currentTimeMillis() - AbstractFormatter.normalyearMillis); Date toconstraint = theSearch.getQuery().modifier.to == null ? null : DateDetection.parseLine(theSearch.getQuery().modifier.to, theSearch.getQuery().timezoneOffset); if (toconstraint == null) toconstraint = new Date(System.currentTimeMillis() + AbstractFormatter.normalyearMillis); while (i < QueryParams.FACETS_DATE_MAXCOUNT && navigatorIterator.hasNext()) { name = navigatorIterator.next().trim(); if (name.length() < 10) continue; count = theSearch.dateNavigator.get(name); String shortname = name.substring(0, 10); long d; Date dd; try {dd = DateFormatUtil.parseDate(name); d = dd.getTime();} catch (ParseException e) {continue;} if (fromconstraint != null && dd.before(fromconstraint)) continue; if (toconstraint != null && dd.after(toconstraint)) break; if (dx > 0) { while (d - dx > AbstractFormatter.dayMillis) { dx += AbstractFormatter.dayMillis; String sn = DateFormatUtil.formatExternal(new Date(dx)).substring(0, 10); prop.put("nav-dates_element_" + i + "_on", 0); prop.put(fileType, "nav-dates_element_" + i + "_name", sn); prop.put("nav-dates_element_" + i + "_count", 0); prop.put("nav-dates_element_" + i + "_nl", 1); i++; } } dx = d; if (theSearch.query.modifier.on == null || !theSearch.query.modifier.on.contains(shortname) ) { pos++; prop.put("nav-dates_element_" + i + "_on", 1); } else { neg++; prop.put("nav-dates_element_" + i + "_on", 0); } prop.put(fileType, "nav-dates_element_" + i + "_name", shortname); prop.put("nav-dates_element_" + i + "_count", count); prop.put("nav-dates_element_" + i + "_nl", 1); i++; } prop.put("nav-dates_element", i); prop.put("nav-dates_count", i); i--; prop.put("nav-dates_element_" + i + "_nl", 0); if (pos == 1 && neg == 0) prop.put("nav-dates", 0); // this navigation is not useful } // filetype navigators if (theSearch.filetypeNavigator == null || theSearch.filetypeNavigator.isEmpty()) { prop.put("nav-filetypes", 0); } else { prop.put("nav-filetypes", 1); navigatorIterator = theSearch.filetypeNavigator.keys(false); int i = 0, pos = 0, neg = 0; String nav, rawNav; while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) { name = navigatorIterator.next().trim(); count = theSearch.filetypeNavigator.get(name); if (count == 0) break; nav = "filetype%3A" + name; /* Avoid double percent encoding in QueryParams.navurl */ rawNav = "filetype:" + name; if (theSearch.query.modifier.filetype == null || !theSearch.query.modifier.filetype.contains(name) ) { pos++; prop.put("nav-filetypes_element_" + i + "_on", 1); prop.put(fileType, "nav-filetypes_element_" + i + "_modifier", nav); } else { neg++; prop.put("nav-filetypes_element_" + i + "_on", 0); prop.put(fileType, "nav-filetypes_element_" + i + "_modifier", "-" + nav); nav=""; rawNav = ""; } prop.put(fileType, "nav-filetypes_element_" + i + "_name", name); prop.put(fileType, "nav-filetypes_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString()); prop.put(fileType, "nav-filetypes_element_" + i + "_id", "filetypes_" + i); prop.put("nav-filetypes_element_" + i + "_count", count); prop.put("nav-filetypes_element_" + i + "_nl", 1); i++; } prop.put("nav-filetypes_element", i); prop.put("nav-filetypes_count", i); i--; prop.put("nav-filetypes_element_" + i + "_nl", 0); if (pos == 1 && neg == 0) prop.put("nav-filetypes", 0); // this navigation is not useful } // vocabulary navigators final Map> vocabularyNavigators = theSearch.vocabularyNavigator; if (vocabularyNavigators != null && !vocabularyNavigators.isEmpty()) { int navvoccount = 0; vocnav: for (Map.Entry> ve: vocabularyNavigators.entrySet()) { String navname = ve.getKey(); if (ve.getValue() == null || ve.getValue().isEmpty()) { continue vocnav; } prop.put(fileType, "nav-vocabulary_" + navvoccount + "_navname", navname); navigatorIterator = ve.getValue().keys(false); int i = 0; String nav, rawNav; while (i < 20 && navigatorIterator.hasNext()) { name = navigatorIterator.next(); count = ve.getValue().get(name); if (count == 0) break; nav = "%2Fvocabulary%2F" + navname + "%2F" + MultiProtocolURL.escape(Tagging.encodePrintname(name)).toString(); /* Avoid double percent encoding in QueryParams.navurl */ rawNav = "/vocabulary/" + navname + "/" + MultiProtocolURL.escape(Tagging.encodePrintname(name)).toString(); if (!theSearch.query.modifier.toString().contains("/vocabulary/" + navname + "/" + name.replace(' ', '_'))) { prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_on", 1); prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_modifier", nav); } else { prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_on", 0); prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_modifier", "-" + nav); nav=""; rawNav = ""; } prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_name", name); prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString()); prop.put(fileType, "nav-vocabulary_" + navvoccount + "_element_" + i + "_id", "vocabulary_" + navname + "_" + i); prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_count", count); prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_nl", 1); i++; } prop.put("nav-vocabulary_" + navvoccount + "_element", i); prop.put("nav-vocabulary_" + navvoccount + "_count", i); i--; prop.put("nav-vocabulary_" + navvoccount + "_element_" + i + "_nl", 0); navvoccount++; } prop.put("nav-vocabulary", navvoccount); } else { prop.put("nav-vocabulary", 0); } // navigator plugins int ni = 0; for (String naviname : theSearch.navigatorPlugins.keySet()) { Navigator navi = theSearch.navigatorPlugins.get(naviname); if (navi.isEmpty()) { continue; } prop.put("navs_" + ni + "_displayname", navi.getDisplayName()); prop.put("navs_" + ni + "_name", naviname); prop.put("navs_" + ni + "_count", navi.size()); navigatorIterator = navi.keys(false); int i = 0, pos = 0, neg = 0; String nav, rawNav; while (i < QueryParams.FACETS_STANDARD_MAXCOUNT && navigatorIterator.hasNext()) { name = navigatorIterator.next(); count = navi.get(name); if (count == 0) { break; } String encname = ((name.indexOf(' ', 0) < 0) ? name : "(" + name + ")"); try { nav = URLEncoder.encode(navi.getQueryModifier() + encname, StandardCharsets.UTF_8.name()); } catch (UnsupportedEncodingException ex) { nav = ""; } rawNav = navi.getQueryModifier() + encname; boolean isactive = navi.modifieractive(theSearch.query.modifier, name); if (!isactive) { pos++; prop.put("navs_" + ni + "_element_" + i + "_on", 1); prop.put(fileType, "navs_" + ni + "_element_" + i + "_modifier", nav); } else { neg++; prop.put("navs_" + ni + "_element_" + i + "_on", 0); prop.put(fileType, "navs_" + ni + "_element_" + i + "_modifier", "-" + nav); nav = ""; rawNav = ""; } prop.put(fileType, "navs_" + ni + "_element_" + i + "_name", navi.getElementDisplayName(name)); prop.put(fileType, "navs_" + ni + "_element_" + i + "_url", QueryParams.navurl(fileType, 0, theSearch.query, rawNav, false).toString()); prop.put(fileType, "navs_" + ni + "_element_" + i + "_id", naviname + "_" + i); prop.put("navs_" + ni + "_element_" + i + "_count", count); prop.put("navs_" + ni + "_element_" + i + "_nl", 1); i++; } prop.put("navs_" + ni + "_element", i); prop.put("navs_" + ni + "_count", i); i--; prop.put("navs_" + ni + "_element_" + i + "_nl", 0); if (pos == 1 && neg == 0) { prop.put("navs_" + ni, 0); // this navigation is not useful } ni++; } prop.put("navs", ni); // navigatior plugins - eof // about box final String aboutBody = env.getConfig("about.body", ""); final String aboutHeadline = env.getConfig("about.headline", ""); if ((aboutBody.isEmpty() && aboutHeadline.isEmpty()) || theSearch.getResultCount() == 0) { prop.put("nav-about", 0); } else { prop.put("nav-about", 1); prop.put("nav-about_headline", aboutHeadline); prop.put("nav-about_body", aboutBody); } // category: location search // show only if active and there is a location database present or if there had been any search results (with lat/lon) if (theSearch.locationNavigator == null || ((LibraryProvider.geoLoc.isEmpty() || theSearch.getResultCount() == 0) && theSearch.locationNavigator.isEmpty())) { prop.put("cat-location", 0); } else { prop.put("cat-location", 1); final String query = theSearch.query.getQueryGoal().getQueryString(false); prop.put(fileType, "cat-location_query", query); final String queryenc = theSearch.query.getQueryGoal().getQueryString(true).replace(' ', '+'); prop.put(fileType, "cat-location_queryenc", queryenc); } prop.put("num-results_totalcount", theSearch.getResultCount()); EventTracker.update(EventTracker.EClass.SEARCH, new ProfilingGraph.EventSearch(theSearch.query.id(true), SearchEventType.FINALIZATION, "bottomline", 0, 0), false); return prop; } } //http://localhost:8090/yacysearch.html?query=java+&maximumRecords=10&resource=local&verify=cacheonly&nav=hosts,authors,namespace,topics,filetype,protocol&urlmaskfilter=ftp://.*&prefermaskfilter=&constraint=&contentdom=text&former=java+%2Fftp&startRecord=0 //http://localhost:8090/yacysearch.html?query=java+&maximumRecords=10&resource=local&verify=cacheonly&nav=hosts,authors,namespace,topics,filetype,protocol&urlmaskfilter=.*&prefermaskfilter=&constraint=&contentdom=text&former=java+%2Fvocabulary%2FGewerke%2FTore&startRecord=0