<?php
- class Geocode
- {
- protected $oDB;
-
- protected $aLangPrefOrder = array();
-
- protected $bIncludeAddressDetails = false;
-
- protected $bIncludePolygonAsPoints = false;
- protected $bIncludePolygonAsText = false;
- protected $bIncludePolygonAsGeoJSON = false;
- protected $bIncludePolygonAsKML = false;
- protected $bIncludePolygonAsSVG = false;
-
- protected $aExcludePlaceIDs = array();
- protected $bDeDupe = true;
- protected $bReverseInPlan = false;
-
- protected $iLimit = 20;
- protected $iFinalLimit = 10;
- protected $iOffset = 0;
- protected $bFallback = false;
-
- protected $aCountryCodes = false;
- protected $aNearPoint = false;
-
- protected $bBoundedSearch = false;
- protected $aViewBox = false;
- protected $sViewboxSmallSQL = false;
- protected $sViewboxLargeSQL = false;
- protected $aRoutePoints = false;
-
- protected $iMaxRank = 20;
- protected $iMinAddressRank = 0;
- protected $iMaxAddressRank = 30;
- protected $aAddressRankList = array();
- protected $exactMatchCache = array();
-
- protected $sAllowedTypesSQLList = false;
-
- protected $sQuery = false;
- protected $aStructuredQuery = false;
-
- function Geocode(&$oDB)
- {
- $this->oDB =& $oDB;
- }
-
- function setReverseInPlan($bReverse)
- {
- $this->bReverseInPlan = $bReverse;
- }
-
- function setLanguagePreference($aLangPref)
- {
- $this->aLangPrefOrder = $aLangPref;
- }
-
- function setIncludeAddressDetails($bAddressDetails = true)
- {
- $this->bIncludeAddressDetails = (bool)$bAddressDetails;
- }
-
- function getIncludeAddressDetails()
- {
- return $this->bIncludeAddressDetails;
- }
-
- function setIncludePolygonAsPoints($b = true)
- {
- $this->bIncludePolygonAsPoints = $b;
- }
-
- function getIncludePolygonAsPoints()
- {
- return $this->bIncludePolygonAsPoints;
- }
-
- function setIncludePolygonAsText($b = true)
- {
- $this->bIncludePolygonAsText = $b;
- }
-
- function getIncludePolygonAsText()
- {
- return $this->bIncludePolygonAsText;
- }
-
- function setIncludePolygonAsGeoJSON($b = true)
- {
- $this->bIncludePolygonAsGeoJSON = $b;
- }
-
- function setIncludePolygonAsKML($b = true)
- {
- $this->bIncludePolygonAsKML = $b;
- }
-
- function setIncludePolygonAsSVG($b = true)
- {
- $this->bIncludePolygonAsSVG = $b;
- }
-
- function setDeDupe($bDeDupe = true)
- {
- $this->bDeDupe = (bool)$bDeDupe;
- }
-
- function setLimit($iLimit = 10)
- {
- if ($iLimit > 50) $iLimit = 50;
- if ($iLimit < 1) $iLimit = 1;
-
- $this->iFinalLimit = $iLimit;
- $this->iLimit = $this->iFinalLimit + min($this->iFinalLimit, 10);
- }
-
- function setOffset($iOffset = 0)
- {
- $this->iOffset = $iOffset;
- }
-
- function setFallback($bFallback = true)
- {
- $this->bFallback = (bool)$bFallback;
- }
-
- function setExcludedPlaceIDs($a)
- {
- // TODO: force to int
- $this->aExcludePlaceIDs = $a;
- }
-
- function getExcludedPlaceIDs()
- {
- return $this->aExcludePlaceIDs;
- }
-
- function setBounded($bBoundedSearch = true)
- {
- $this->bBoundedSearch = (bool)$bBoundedSearch;
- }
-
- function setViewBox($fLeft, $fBottom, $fRight, $fTop)
- {
- $this->aViewBox = array($fLeft, $fBottom, $fRight, $fTop);
- }
-
- function getViewBoxString()
- {
- if (!$this->aViewBox) return null;
- return $this->aViewBox[0].','.$this->aViewBox[3].','.$this->aViewBox[2].','.$this->aViewBox[1];
- }
-
- function setRoute($aRoutePoints)
- {
- $this->aRoutePoints = $aRoutePoints;
- }
-
- function setFeatureType($sFeatureType)
- {
- switch($sFeatureType)
- {
- case 'country':
- $this->setRankRange(4, 4);
- break;
- case 'state':
- $this->setRankRange(8, 8);
- break;
- case 'city':
- $this->setRankRange(14, 16);
- break;
- case 'settlement':
- $this->setRankRange(8, 20);
- break;
- }
- }
-
- function setRankRange($iMin, $iMax)
- {
- $this->iMinAddressRank = (int)$iMin;
- $this->iMaxAddressRank = (int)$iMax;
- }
-
- function setNearPoint($aNearPoint, $fRadiusDeg = 0.1)
- {
- $this->aNearPoint = array((float)$aNearPoint[0], (float)$aNearPoint[1], (float)$fRadiusDeg);
- }
-
- function setCountryCodesList($aCountryCodes)
- {
- $this->aCountryCodes = $aCountryCodes;
- }
-
- function setQuery($sQueryString)
- {
- $this->sQuery = $sQueryString;
- $this->aStructuredQuery = false;
- }
-
- function getQueryString()
- {
- return $this->sQuery;
- }
-
-
- function loadParamArray($aParams)
- {
- if (isset($aParams['addressdetails'])) $this->bIncludeAddressDetails = (bool)$aParams['addressdetails'];
- if (isset($aParams['bounded'])) $this->bBoundedSearch = (bool)$aParams['bounded'];
- if (isset($aParams['dedupe'])) $this->bDeDupe = (bool)$aParams['dedupe'];
-
- if (isset($aParams['limit'])) $this->setLimit((int)$aParams['limit']);
- if (isset($aParams['offset'])) $this->iOffset = (int)$aParams['offset'];
-
- if (isset($aParams['fallback'])) $this->bFallback = (bool)$aParams['fallback'];
-
- // List of excluded Place IDs - used for more acurate pageing
- if (isset($aParams['exclude_place_ids']) && $aParams['exclude_place_ids'])
- {
- foreach(explode(',',$aParams['exclude_place_ids']) as $iExcludedPlaceID)
- {
- $iExcludedPlaceID = (int)$iExcludedPlaceID;
- if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
- }
- $this->aExcludePlaceIDs = $aExcludePlaceIDs;
- }
-
- // Only certain ranks of feature
- if (isset($aParams['featureType'])) $this->setFeatureType($aParams['featureType']);
- if (isset($aParams['featuretype'])) $this->setFeatureType($aParams['featuretype']);
-
- // Country code list
- if (isset($aParams['countrycodes']))
- {
- $aCountryCodes = array();
- foreach(explode(',',$aParams['countrycodes']) as $sCountryCode)
- {
- if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
- {
- $aCountryCodes[] = strtolower($sCountryCode);
- }
- }
- $this->aCountryCodes = $aCountryCodes;
- }
-
- if (isset($aParams['viewboxlbrt']) && $aParams['viewboxlbrt'])
- {
- $aCoOrdinatesLBRT = explode(',',$aParams['viewboxlbrt']);
- $this->setViewBox($aCoOrdinatesLBRT[0], $aCoOrdinatesLBRT[1], $aCoOrdinatesLBRT[2], $aCoOrdinatesLBRT[3]);
- }
- else if (isset($aParams['viewbox']) && $aParams['viewbox'])
- {
- $aCoOrdinatesLTRB = explode(',',$aParams['viewbox']);
- $this->setViewBox($aCoOrdinatesLTRB[0], $aCoOrdinatesLTRB[3], $aCoOrdinatesLTRB[2], $aCoOrdinatesLTRB[1]);
- }
-
- if (isset($aParams['route']) && $aParams['route'] && isset($aParams['routewidth']) && $aParams['routewidth'])
- {
- $aPoints = explode(',',$aParams['route']);
- if (sizeof($aPoints) % 2 != 0)
- {
- userError("Uneven number of points");
- exit;
- }
- $fPrevCoord = false;
- $aRoute = array();
- foreach($aPoints as $i => $fPoint)
- {
- if ($i%2)
- {
- $aRoute[] = array((float)$fPoint, $fPrevCoord);
- }
- else
- {
- $fPrevCoord = (float)$fPoint;
- }
- }
- $this->aRoutePoints = $aRoute;
- }
- }
-
- function setQueryFromParams($aParams)
- {
- // Search query
- $sQuery = (isset($aParams['q'])?trim($aParams['q']):'');
- if (!$sQuery)
- {
- $this->setStructuredQuery(@$aParams['amenity'], @$aParams['street'], @$aParams['city'], @$aParams['county'], @$aParams['state'], @$aParams['country'], @$aParams['postalcode']);
- $this->setReverseInPlan(false);
- }
- else
- {
- $this->setQuery($sQuery);
- }
- }
-
- function loadStructuredAddressElement($sValue, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank, $aItemListValues)
- {
- $sValue = trim($sValue);
- if (!$sValue) return false;
- $this->aStructuredQuery[$sKey] = $sValue;
- if ($this->iMinAddressRank == 0 && $this->iMaxAddressRank == 30)
- {
- $this->iMinAddressRank = $iNewMinAddressRank;
- $this->iMaxAddressRank = $iNewMaxAddressRank;
- }
- if ($aItemListValues) $this->aAddressRankList = array_merge($this->aAddressRankList, $aItemListValues);
- return true;
- }
-
- function setStructuredQuery($sAmentiy = false, $sStreet = false, $sCity = false, $sCounty = false, $sState = false, $sCountry = false, $sPostalCode = false)
- {
- $this->sQuery = false;
-
- // Reset
- $this->iMinAddressRank = 0;
- $this->iMaxAddressRank = 30;
- $this->aAddressRankList = array();
-
- $this->aStructuredQuery = array();
- $this->sAllowedTypesSQLList = '';
-
- $this->loadStructuredAddressElement($sAmentiy, 'amenity', 26, 30, false);
- $this->loadStructuredAddressElement($sStreet, 'street', 26, 30, false);
- $this->loadStructuredAddressElement($sCity, 'city', 14, 24, false);
- $this->loadStructuredAddressElement($sCounty, 'county', 9, 13, false);
- $this->loadStructuredAddressElement($sState, 'state', 8, 8, false);
- $this->loadStructuredAddressElement($sPostalCode, 'postalcode' , 5, 11, array(5, 11));
- $this->loadStructuredAddressElement($sCountry, 'country', 4, 4, false);
-
- if (sizeof($this->aStructuredQuery) > 0)
- {
- $this->sQuery = join(', ', $this->aStructuredQuery);
- if ($this->iMaxAddressRank < 30)
- {
- $sAllowedTypesSQLList = '(\'place\',\'boundary\')';
- }
- }
- }
-
- function fallbackStructuredQuery()
- {
- if (!$this->aStructuredQuery) return false;
-
- $aParams = $this->aStructuredQuery;
-
- if (sizeof($aParams) == 1) return false;
-
- $aOrderToFallback = array('postalcode', 'street', 'city', 'county', 'state');
-
- foreach($aOrderToFallback as $sType)
- {
- if (isset($aParams[$sType]))
- {
- unset($aParams[$sType]);
- $this->setStructuredQuery(@$aParams['amenity'], @$aParams['street'], @$aParams['city'], @$aParams['county'], @$aParams['state'], @$aParams['country'], @$aParams['postalcode']);
- return true;
- }
- }
-
- return false;
- }
-
- function getDetails($aPlaceIDs)
- {
- if (sizeof($aPlaceIDs) == 0) return array();
-
- $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";
-
- // Get the details for display (is this a redundant extra step?)
- $sPlaceIDs = join(',',$aPlaceIDs);
-
- $sImportanceSQL = '';
- if ($this->sViewboxSmallSQL) $sImportanceSQL .= " case when ST_Contains($this->sViewboxSmallSQL, ST_Collect(centroid)) THEN 1 ELSE 0.75 END * ";
- if ($this->sViewboxLargeSQL) $sImportanceSQL .= " case when ST_Contains($this->sViewboxLargeSQL, ST_Collect(centroid)) THEN 1 ELSE 0.75 END * ";
-
- $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id, calculated_country_code as country_code,";
- $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
- $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
- $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
- $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
- $sSQL .= $sImportanceSQL."coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
- $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(CASE WHEN placex.rank_search < 28 THEN placex.place_id ELSE placex.parent_place_id END) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
- $sSQL .= "(extratags->'place') as extra_place ";
- $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
- $sSQL .= "and (placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
- if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
- if ($this->aAddressRankList) $sSQL .= " OR placex.rank_address in (".join(',',$this->aAddressRankList).")";
- $sSQL .= ") ";
- if ($this->sAllowedTypesSQLList) $sSQL .= "and placex.class in $this->sAllowedTypesSQLList ";
- $sSQL .= "and linked_place_id is null ";
- $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
- if (!$this->bDeDupe) $sSQL .= ",place_id";
- $sSQL .= ",langaddress ";
- $sSQL .= ",placename ";
- $sSQL .= ",ref ";
- $sSQL .= ",extratags->'place' ";
-
- if (30 >= $this->iMinAddressRank && 30 <= $this->iMaxAddressRank)
- {
- $sSQL .= " union ";
- $sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id,'us' as country_code,";
- $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
- $sSQL .= "null as placename,";
- $sSQL .= "null as ref,";
- $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
- $sSQL .= $sImportanceSQL."-1.15 as importance, ";
- $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_tiger.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
- $sSQL .= "null as extra_place ";
- $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
- $sSQL .= "and 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
- $sSQL .= "group by place_id";
- if (!$this->bDeDupe) $sSQL .= ",place_id ";
- $sSQL .= " union ";
- $sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id, min(parent_place_id) as parent_place_id,'us' as country_code,";
- $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
- $sSQL .= "null as placename,";
- $sSQL .= "null as ref,";
- $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
- $sSQL .= $sImportanceSQL."-1.10 as importance, ";
- $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_aux.parent_place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
- $sSQL .= "null as extra_place ";
- $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
- $sSQL .= "and 30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
- $sSQL .= "group by place_id";
- if (!$this->bDeDupe) $sSQL .= ",place_id";
- $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
- }
-
- $sSQL .= " order by importance desc";
- if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }
- $aSearchResults = $this->oDB->getAll($sSQL);
-
- if (PEAR::IsError($aSearchResults))
- {
- failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
- }
-
- return $aSearchResults;
- }
-
- /* Perform the actual query lookup.
-
- Returns an ordered list of results, each with the following fields:
- osm_type: type of corresponding OSM object
- N - node
- W - way
- R - relation
- P - postcode (internally computed)
- osm_id: id of corresponding OSM object
- class: general object class (corresponds to tag key of primary OSM tag)
- type: subclass of object (corresponds to tag value of primary OSM tag)
- admin_level: see http://wiki.openstreetmap.org/wiki/Admin_level
- rank_search: rank in search hierarchy
- (see also http://wiki.openstreetmap.org/wiki/Nominatim/Development_overview#Country_to_street_level)
- rank_address: rank in address hierarchy (determines orer in address)
- place_id: internal key (may differ between different instances)
- country_code: ISO country code
- langaddress: localized full address
- placename: localized name of object
- ref: content of ref tag (if available)
- lon: longitude
- lat: latitude
- importance: importance of place based on Wikipedia link count
- addressimportance: cumulated importance of address elements
- extra_place: type of place (for admin boundaries, if there is a place tag)
- aBoundingBox: bounding Box
- label: short description of the object class/type (English only)
- name: full name (currently the same as langaddress)
- foundorder: secondary ordering for places with same importance
- */
- function lookup()
- {
- if (!$this->sQuery && !$this->aStructuredQuery) return false;
-
- $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$this->aLangPrefOrder))."]";
-
- $sCountryCodesSQL = false;
- if ($this->aCountryCodes && sizeof($this->aCountryCodes))
- {
- $sCountryCodesSQL = join(',', array_map('addQuotes', $this->aCountryCodes));
- }
-
- $sQuery = $this->sQuery;
-
- // Conflicts between US state abreviations and various words for 'the' in different languages
- if (isset($this->aLangPrefOrder['name:en']))
- {
- $sQuery = preg_replace('/(^|,)\s*il\s*(,|$)/','\1illinois\2', $sQuery);
- $sQuery = preg_replace('/(^|,)\s*al\s*(,|$)/','\1alabama\2', $sQuery);
- $sQuery = preg_replace('/(^|,)\s*la\s*(,|$)/','\1louisiana\2', $sQuery);
- }
-
- // View Box SQL
- $sViewboxCentreSQL = false;
- $bBoundingBoxSearch = false;
- if ($this->aViewBox)
- {
- $fHeight = $this->aViewBox[0]-$this->aViewBox[2];
- $fWidth = $this->aViewBox[1]-$this->aViewBox[3];
- $aBigViewBox[0] = $this->aViewBox[0] + $fHeight;
- $aBigViewBox[2] = $this->aViewBox[2] - $fHeight;
- $aBigViewBox[1] = $this->aViewBox[1] + $fWidth;
- $aBigViewBox[3] = $this->aViewBox[3] - $fWidth;
-
- $this->sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$this->aViewBox[0].",".(float)$this->aViewBox[1]."),ST_Point(".(float)$this->aViewBox[2].",".(float)$this->aViewBox[3].")),4326)";
- $this->sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aBigViewBox[0].",".(float)$aBigViewBox[1]."),ST_Point(".(float)$aBigViewBox[2].",".(float)$aBigViewBox[3].")),4326)";
- $bBoundingBoxSearch = $this->bBoundedSearch;
- }
-
- // Route SQL
- if ($this->aRoutePoints)
- {
- $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
- $bFirst = true;
- foreach($this->aRoutePoints as $aPoint)
- {
- if (!$bFirst) $sViewboxCentreSQL .= ",";
- $sViewboxCentreSQL .= $aPoint[0].' '.$aPoint[1];
- $bFirst = false;
- }
- $sViewboxCentreSQL .= ")'::geometry,4326)";
-
- $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
- $this->sViewboxSmallSQL = $this->oDB->getOne($sSQL);
- if (PEAR::isError($this->sViewboxSmallSQL))
- {
- failInternalError("Could not get small viewbox.", $sSQL, $this->sViewboxSmallSQL);
- }
- $this->sViewboxSmallSQL = "'".$this->sViewboxSmallSQL."'::geometry";
-
- $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
- $this->sViewboxLargeSQL = $this->oDB->getOne($sSQL);
- if (PEAR::isError($this->sViewboxLargeSQL))
- {
- failInternalError("Could not get large viewbox.", $sSQL, $this->sViewboxLargeSQL);
- }
- $this->sViewboxLargeSQL = "'".$this->sViewboxLargeSQL."'::geometry";
- $bBoundingBoxSearch = $this->bBoundedSearch;
- }
-
- // Do we have anything that looks like a lat/lon pair?
- if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
- {
- $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
- $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
- if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
- {
- $this->setNearPoint(array($fQueryLat, $fQueryLon));
- $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
- }
- }
- elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
- {
- $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
- $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
- if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
- {
- $this->setNearPoint(array($fQueryLat, $fQueryLon));
- $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
- }
- }
- elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9]*\\.[0-9]+)[, ]+(-?[0-9]+[0-9]*\\.[0-9]+)(\\]|$|\\b)/', $sQuery, $aData))
- {
- $fQueryLat = $aData[2];
- $fQueryLon = $aData[3];
- if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
- {
- $this->setNearPoint(array($fQueryLat, $fQueryLon));
- $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
- }
- }
-
- $aSearchResults = array();
- if ($sQuery || $this->aStructuredQuery)
- {
- // Start with a blank search
- $aSearches = array(
- array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(), 'aFullNameAddress'=>array(),
- 'aNameNonSearch'=>array(), 'aAddressNonSearch'=>array(),
- 'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
- );
-
- // Do we have a radius search?
- $sNearPointSQL = false;
- if ($this->aNearPoint)
- {
- $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$this->aNearPoint[1].",".(float)$this->aNearPoint[0]."),4326)";
- $aSearches[0]['fLat'] = (float)$this->aNearPoint[0];
- $aSearches[0]['fLon'] = (float)$this->aNearPoint[1];
- $aSearches[0]['fRadius'] = (float)$this->aNearPoint[2];
- }
-
- // Any 'special' terms in the search?
- $bSpecialTerms = false;
- preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
- $aSpecialTerms = array();
- foreach($aSpecialTermsRaw as $aSpecialTerm)
- {
- $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
- $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
- }
-
- preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
- $aSpecialTerms = array();
- if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
- {
- $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
- unset($aStructuredQuery['amenity']);
- }
- foreach($aSpecialTermsRaw as $aSpecialTerm)
- {
- $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
- $sToken = $this->oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
- $sSQL = 'select * from (select word_id,word_token, word, class, type, country_code, operator';
- $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
- if (CONST_Debug) var_Dump($sSQL);
- $aSearchWords = $this->oDB->getAll($sSQL);
- $aNewSearches = array();
- foreach($aSearches as $aSearch)
- {
- foreach($aSearchWords as $aSearchTerm)
- {
- $aNewSearch = $aSearch;
- if ($aSearchTerm['country_code'])
- {
- $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
- $aNewSearches[] = $aNewSearch;
- $bSpecialTerms = true;
- }
- if ($aSearchTerm['class'])
- {
- $aNewSearch['sClass'] = $aSearchTerm['class'];
- $aNewSearch['sType'] = $aSearchTerm['type'];
- $aNewSearches[] = $aNewSearch;
- $bSpecialTerms = true;
- }
- }
- }
- $aSearches = $aNewSearches;
- }
-
- // Split query into phrases
- // Commas are used to reduce the search space by indicating where phrases split
- if ($this->aStructuredQuery)
- {
- $aPhrases = $this->aStructuredQuery;
- $bStructuredPhrases = true;
- }
- else
- {
- $aPhrases = explode(',',$sQuery);
- $bStructuredPhrases = false;
- }
-
- // Convert each phrase to standard form
- // Create a list of standard words
- // Get all 'sets' of words
- // Generate a complete list of all
- $aTokens = array();
- foreach($aPhrases as $iPhrase => $sPhrase)
- {
- $aPhrase = $this->oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
- if (PEAR::isError($aPhrase))
- {
- userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
- if (CONST_Debug) var_dump($aPhrase);
- exit;
- }
- if (trim($aPhrase['string']))
- {
- $aPhrases[$iPhrase] = $aPhrase;
- $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
- $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words'], 0);
- $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
- }
- else
- {
- unset($aPhrases[$iPhrase]);
- }
- }
-
- // Reindex phrases - we make assumptions later on that they are numerically keyed in order
- $aPhraseTypes = array_keys($aPhrases);
- $aPhrases = array_values($aPhrases);
-
- if (sizeof($aTokens))
- {
- // Check which tokens we have, get the ID numbers
- $sSQL = 'select word_id,word_token, word, class, type, country_code, operator, search_name_count';
- $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
-
- if (CONST_Debug) var_Dump($sSQL);
-
- $aValidTokens = array();
- if (sizeof($aTokens)) $aDatabaseWords = $this->oDB->getAll($sSQL);
- else $aDatabaseWords = array();
- if (PEAR::IsError($aDatabaseWords))
- {
- failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
- }
- $aPossibleMainWordIDs = array();
- $aWordFrequencyScores = array();
- foreach($aDatabaseWords as $aToken)
- {
- // Very special case - require 2 letter country param to match the country code found
- if ($bStructuredPhrases && $aToken['country_code'] && !empty($aStructuredQuery['country'])
- && strlen($aStructuredQuery['country']) == 2 && strtolower($aStructuredQuery['country']) != $aToken['country_code'])
- {
- continue;
- }
-
- if (isset($aValidTokens[$aToken['word_token']]))
- {
- $aValidTokens[$aToken['word_token']][] = $aToken;
- }
- else
- {
- $aValidTokens[$aToken['word_token']] = array($aToken);
- }
- if (!$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
- $aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;
- }
- if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
-
- // Try and calculate GB postcodes we might be missing
- foreach($aTokens as $sToken)
- {
- // Source of gb postcodes is now definitive - always use
- if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
- {
- if (substr($aData[1],-2,1) != ' ')
- {
- $aData[0] = substr($aData[0],0,strlen($aData[1])-1).' '.substr($aData[0],strlen($aData[1])-1);
- $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
- }
- $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $this->oDB);
- if ($aGBPostcodeLocation)
- {
- $aValidTokens[$sToken] = $aGBPostcodeLocation;
- }
- }
- // US ZIP+4 codes - if there is no token,
- // merge in the 5-digit ZIP code
- else if (!isset($aValidTokens[$sToken]) && preg_match('/^([0-9]{5}) [0-9]{4}$/', $sToken, $aData))
- {
- if (isset($aValidTokens[$aData[1]]))
- {
- foreach($aValidTokens[$aData[1]] as $aToken)
- {
- if (!$aToken['class'])
- {
- if (isset($aValidTokens[$sToken]))
- {
- $aValidTokens[$sToken][] = $aToken;
- }
- else
- {
- $aValidTokens[$sToken] = array($aToken);
- }
- }
- }
- }
- }
- }
-
- foreach($aTokens as $sToken)
- {
- // Unknown single word token with a number - assume it is a house number
- if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
- {
- $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
- }
- }
-
- // Any words that have failed completely?
- // TODO: suggestions
-
- // Start the search process
- $aResultPlaceIDs = array();
-
- /*
- Calculate all searches using aValidTokens i.e.
- 'Wodsworth Road, Sheffield' =>
-
- Phrase Wordset
- 0 0 (wodsworth road)
- 0 1 (wodsworth)(road)
- 1 0 (sheffield)
-
- Score how good the search is so they can be ordered
- */
- foreach($aPhrases as $iPhrase => $sPhrase)
- {
- $aNewPhraseSearches = array();
- if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
- else $sPhraseType = '';
-
- foreach($aPhrases[$iPhrase]['wordsets'] as $iWordSet => $aWordset)
- {
- // Too many permutations - too expensive
- if ($iWordSet > 120) break;
-
- $aWordsetSearches = $aSearches;
-
- // Add all words from this wordset
- foreach($aWordset as $iToken => $sToken)
- {
- //echo "<br><b>$sToken</b>";
- $aNewWordsetSearches = array();
-
- foreach($aWordsetSearches as $aCurrentSearch)
- {
- //echo "<i>";
- //var_dump($aCurrentSearch);
- //echo "</i>";
-
- // If the token is valid
- if (isset($aValidTokens[' '.$sToken]))
- {
- foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
- {
- $aSearch = $aCurrentSearch;
- $aSearch['iSearchRank']++;
- if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0')
- {
- if ($aSearch['sCountryCode'] === false)
- {
- $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
- // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
- // If reverse order is enabled, it may appear at the beginning as well.
- if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) &&
- (!$this->bReverseInPlan || $iToken > 0 || $iPhrase > 0))
- {
- $aSearch['iSearchRank'] += 5;
- }
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
- }
- elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
- {
- if ($aSearch['fLat'] === '')
- {
- $aSearch['fLat'] = $aSearchTerm['lat'];
- $aSearch['fLon'] = $aSearchTerm['lon'];
- $aSearch['fRadius'] = $aSearchTerm['radius'];
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
- }
- elseif ($sPhraseType == 'postalcode')
- {
- // We need to try the case where the postal code is the primary element (i.e. no way to tell if it is (postalcode, city) OR (city, postalcode) so try both
- if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
- {
- // If we already have a name try putting the postcode first
- if (sizeof($aSearch['aName']))
- {
- $aNewSearch = $aSearch;
- $aNewSearch['aAddress'] = array_merge($aNewSearch['aAddress'], $aNewSearch['aName']);
- $aNewSearch['aName'] = array();
- $aNewSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aNewSearch;
- }
-
- if (sizeof($aSearch['aName']))
- {
- if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
- {
- $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- }
- else
- {
- $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- $aSearch['iSearchRank'] += 1000; // skip;
- }
- }
- else
- {
- $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- //$aSearch['iNamePhrase'] = $iPhrase;
- }
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
-
- }
- elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
- {
- if ($aSearch['sHouseNumber'] === '')
- {
- $aSearch['sHouseNumber'] = $sToken;
- // sanity check: if the housenumber is not mainly made
- // up of numbers, add a penalty
- if (preg_match_all("/[^0-9]/", $sToken, $aMatches) > 2) $aSearch['iSearchRank']++;
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- /*
- // Fall back to not searching for this item (better than nothing)
- $aSearch = $aCurrentSearch;
- $aSearch['iSearchRank'] += 1;
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- */
- }
- }
- elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
- {
- if ($aSearch['sClass'] === '')
- {
- $aSearch['sOperator'] = $aSearchTerm['operator'];
- $aSearch['sClass'] = $aSearchTerm['class'];
- $aSearch['sType'] = $aSearchTerm['type'];
- if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
- else $aSearch['sOperator'] = 'near'; // near = in for the moment
- if (strlen($aSearchTerm['operator']) == 0) $aSearch['iSearchRank'] += 1;
-
- // Do we have a shortcut id?
- if ($aSearch['sOperator'] == 'name')
- {
- $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
- if ($iAmenityID = $this->oDB->getOne($sSQL))
- {
- $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
- $aSearch['aName'][$iAmenityID] = $iAmenityID;
- $aSearch['sClass'] = '';
- $aSearch['sType'] = '';
- }
- }
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
- }
- elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
- {
- if (sizeof($aSearch['aName']))
- {
- if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
- {
- $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- }
- else
- {
- $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- $aSearch['iSearchRank'] += 1000; // skip;
- }
- }
- else
- {
- $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- //$aSearch['iNamePhrase'] = $iPhrase;
- }
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
- }
- }
- if (isset($aValidTokens[$sToken]))
- {
- // Allow searching for a word - but at extra cost
- foreach($aValidTokens[$sToken] as $aSearchTerm)
- {
- if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
- {
- if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
- {
- $aSearch = $aCurrentSearch;
- $aSearch['iSearchRank'] += 1;
- if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
- {
- $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
- elseif (isset($aValidTokens[' '.$sToken])) // revert to the token version?
- {
- foreach($aValidTokens[' '.$sToken] as $aSearchTermToken)
- {
- if (empty($aSearchTermToken['country_code'])
- && empty($aSearchTermToken['lat'])
- && empty($aSearchTermToken['class']))
- {
- $aSearch = $aCurrentSearch;
- $aSearch['iSearchRank'] += 1;
- $aSearch['aAddress'][$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
- }
- }
- else
- {
- $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
- }
-
- if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
- {
- $aSearch = $aCurrentSearch;
- $aSearch['iSearchRank'] += 2;
- if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
- if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
- $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- else
- $aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
- $aSearch['iNamePhrase'] = $iPhrase;
- if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch;
- }
- }
- }
- }
- else
- {
- // Allow skipping a word - but at EXTREAM cost
- //$aSearch = $aCurrentSearch;
- //$aSearch['iSearchRank']+=100;
- //$aNewWordsetSearches[] = $aSearch;
- }
- }
- // Sort and cut
- usort($aNewWordsetSearches, 'bySearchRank');
- $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
- }
- //var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
-
- $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
- usort($aNewPhraseSearches, 'bySearchRank');
-
- $aSearchHash = array();
- foreach($aNewPhraseSearches as $iSearch => $aSearch)
- {
- $sHash = serialize($aSearch);
- if (isset($aSearchHash[$sHash])) unset($aNewPhraseSearches[$iSearch]);
- else $aSearchHash[$sHash] = 1;
- }
-
- $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
- }
-
- // Re-group the searches by their score, junk anything over 20 as just not worth trying
- $aGroupedSearches = array();
- foreach($aNewPhraseSearches as $aSearch)
- {
- if ($aSearch['iSearchRank'] < $this->iMaxRank)
- {
- if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
- $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
- }
- }
- ksort($aGroupedSearches);
-
- $iSearchCount = 0;
- $aSearches = array();
- foreach($aGroupedSearches as $iScore => $aNewSearches)
- {
- $iSearchCount += sizeof($aNewSearches);
- $aSearches = array_merge($aSearches, $aNewSearches);
- if ($iSearchCount > 50) break;
- }
-
- //if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
-
- }
-
- }
- else
- {
- // Re-group the searches by their score, junk anything over 20 as just not worth trying
- $aGroupedSearches = array();
- foreach($aSearches as $aSearch)
- {
- if ($aSearch['iSearchRank'] < $this->iMaxRank)
- {
- if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
- $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
- }
- }
- ksort($aGroupedSearches);
- }
-
- if (CONST_Debug) var_Dump($aGroupedSearches);
-
- if ($this->bReverseInPlan)
- {
- $aCopyGroupedSearches = $aGroupedSearches;
- foreach($aCopyGroupedSearches as $iGroup => $aSearches)
- {
- foreach($aSearches as $iSearch => $aSearch)
- {
- if (sizeof($aSearch['aAddress']))
- {
- $iReverseItem = array_pop($aSearch['aAddress']);
- if (isset($aPossibleMainWordIDs[$iReverseItem]))
- {
- $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
- $aSearch['aName'] = array($iReverseItem);
- $aGroupedSearches[$iGroup][] = $aSearch;
- }
- //$aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
- //$aGroupedSearches[$iGroup][] = $aReverseSearch;
- }
- }
- }
- }
-
- if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
- {
- $aCopyGroupedSearches = $aGroupedSearches;
- foreach($aCopyGroupedSearches as $iGroup => $aSearches)
- {
- foreach($aSearches as $iSearch => $aSearch)
- {
- $aReductionsList = array($aSearch['aAddress']);
- $iSearchRank = $aSearch['iSearchRank'];
- while(sizeof($aReductionsList) > 0)
- {
- $iSearchRank += 5;
- if ($iSearchRank > iMaxRank) break 3;
- $aNewReductionsList = array();
- foreach($aReductionsList as $aReductionsWordList)
- {
- for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
- {
- $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
- $aReverseSearch = $aSearch;
- $aSearch['aAddress'] = $aReductionsWordListResult;
- $aSearch['iSearchRank'] = $iSearchRank;
- $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
- if (sizeof($aReductionsWordListResult) > 0)
- {
- $aNewReductionsList[] = $aReductionsWordListResult;
- }
- }
- }
- $aReductionsList = $aNewReductionsList;
- }
- }
- }
- ksort($aGroupedSearches);
- }
-
- // Filter out duplicate searches
- $aSearchHash = array();
- foreach($aGroupedSearches as $iGroup => $aSearches)
- {
- foreach($aSearches as $iSearch => $aSearch)
- {
- $sHash = serialize($aSearch);
- if (isset($aSearchHash[$sHash]))
- {
- unset($aGroupedSearches[$iGroup][$iSearch]);
- if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
- }
- else
- {
- $aSearchHash[$sHash] = 1;
- }
- }
- }
-
- if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
-
- $iGroupLoop = 0;
- $iQueryLoop = 0;
- foreach($aGroupedSearches as $iGroupedRank => $aSearches)
- {
- $iGroupLoop++;
- foreach($aSearches as $aSearch)
- {
- $iQueryLoop++;
-
- if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
- if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
-
- // No location term?
- if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
- {
- if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
- {
- // Just looking for a country by code - look it up
- if (4 >= $this->iMinAddressRank && 4 <= $this->iMaxAddressRank)
- {
- $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
- if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
- $sSQL .= " order by st_area(geometry) desc limit 1";
- if (CONST_Debug) var_dump($sSQL);
- $aPlaceIDs = $this->oDB->getCol($sSQL);
- }
- else
- {
- $aPlaceIDs = array();
- }
- }
- else
- {
- if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
- if (!$aSearch['sClass']) continue;
- $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
- if ($this->oDB->getOne($sSQL))
- {
- $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
- if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
- $sSQL .= " where st_contains($this->sViewboxSmallSQL, ct.centroid)";
- if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
- if (sizeof($this->aExcludePlaceIDs))
- {
- $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
- }
- if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
- $sSQL .= " limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aPlaceIDs = $this->oDB->getCol($sSQL);
-
- // If excluded place IDs are given, it is fair to assume that
- // there have been results in the small box, so no further
- // expansion in that case.
- // Also don't expand if bounded results were requested.
- if (!sizeof($aPlaceIDs) && !sizeof($this->aExcludePlaceIDs) && !$this->bBoundedSearch)
- {
- $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
- if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
- $sSQL .= " where st_contains($this->sViewboxLargeSQL, ct.centroid)";
- if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
- if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
- $sSQL .= " limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aPlaceIDs = $this->oDB->getCol($sSQL);
- }
- }
- else
- {
- $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
- $sSQL .= " and st_contains($this->sViewboxSmallSQL, geometry) and linked_place_id is null";
- if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
- if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
- $sSQL .= " limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aPlaceIDs = $this->oDB->getCol($sSQL);
- }
- }
- }
- else
- {
- $aPlaceIDs = array();
-
- // First we need a position, either aName or fLat or both
- $aTerms = array();
- $aOrder = array();
-
- // TODO: filter out the pointless search terms (2 letter name tokens and less)
- // they might be right - but they are just too darned expensive to run
- if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
- if (sizeof($aSearch['aNameNonSearch'])) $aTerms[] = "array_cat(name_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aNameNonSearch'],",")."]";
- if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress'])
- {
- // For infrequent name terms disable index usage for address
- if (CONST_Search_NameOnlySearchFrequencyThreshold &&
- sizeof($aSearch['aName']) == 1 &&
- $aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold)
- {
- $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join(array_merge($aSearch['aAddress'],$aSearch['aAddressNonSearch']),",")."]";
- }
- else
- {
- $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
- if (sizeof($aSearch['aAddressNonSearch'])) $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddressNonSearch'],",")."]";
- }
- }
- if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
- if ($aSearch['sHouseNumber'])
- {
- $aTerms[] = "address_rank between 16 and 27";
- }
- else
- {
- if ($this->iMinAddressRank > 0)
- {
- $aTerms[] = "address_rank >= ".$this->iMinAddressRank;
- }
- if ($this->iMaxAddressRank < 30)
- {
- $aTerms[] = "address_rank <= ".$this->iMaxAddressRank;
- }
- }
- if ($aSearch['fLon'] && $aSearch['fLat'])
- {
- $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
- $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
- }
- if (sizeof($this->aExcludePlaceIDs))
- {
- $aTerms[] = "place_id not in (".join(',',$this->aExcludePlaceIDs).")";
- }
- if ($sCountryCodesSQL)
- {
- $aTerms[] = "country_code in ($sCountryCodesSQL)";
- }
-
- if ($bBoundingBoxSearch) $aTerms[] = "centroid && $this->sViewboxSmallSQL";
- if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
-
- if ($aSearch['sHouseNumber'])
- {
- $sImportanceSQL = '- abs(26 - address_rank) + 3';
- }
- else
- {
- $sImportanceSQL = '(case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end)';
- }
- if ($this->sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($this->sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
- if ($this->sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($this->sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
-
- $aOrder[] = "$sImportanceSQL DESC";
- if (sizeof($aSearch['aFullNameAddress']))
- {
- $sExactMatchSQL = '(select count(*) from (select unnest(ARRAY['.join($aSearch['aFullNameAddress'],",").']) INTERSECT select unnest(nameaddress_vector))s) as exactmatch';
- $aOrder[] = 'exactmatch DESC';
- } else {
- $sExactMatchSQL = '0::int as exactmatch';
- }
-
- if (sizeof($aTerms))
- {
- $sSQL = "select place_id, ";
- $sSQL .= $sExactMatchSQL;
- $sSQL .= " from search_name";
- $sSQL .= " where ".join(' and ',$aTerms);
- $sSQL .= " order by ".join(', ',$aOrder);
- if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
- $sSQL .= " limit 50";
- elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
- $sSQL .= " limit 1";
- else
- $sSQL .= " limit ".$this->iLimit;
-
- if (CONST_Debug) { var_dump($sSQL); }
- $aViewBoxPlaceIDs = $this->oDB->getAll($sSQL);
- if (PEAR::IsError($aViewBoxPlaceIDs))
- {
- failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
- }
- //var_dump($aViewBoxPlaceIDs);
- // Did we have an viewbox matches?
- $aPlaceIDs = array();
- $bViewBoxMatch = false;
- foreach($aViewBoxPlaceIDs as $aViewBoxRow)
- {
- //if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
- //if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
- //if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
- //else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
- $aPlaceIDs[] = $aViewBoxRow['place_id'];
- $this->exactMatchCache[$aViewBoxRow['place_id']] = $aViewBoxRow['exactmatch'];
- }
- }
- //var_Dump($aPlaceIDs);
- //exit;
-
- if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
- {
- $aRoadPlaceIDs = $aPlaceIDs;
- $sPlaceIDs = join(',',$aPlaceIDs);
-
- // Now they are indexed look for a house attached to a street we found
- $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M';
- $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and transliteration(housenumber) ~* E'".$sHouseNumberRegex."'";
- if (sizeof($this->aExcludePlaceIDs))
- {
- $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
- }
- $sSQL .= " limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aPlaceIDs = $this->oDB->getCol($sSQL);
-
- // If not try the aux fallback table
- if (!sizeof($aPlaceIDs))
- {
- $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
- if (sizeof($this->aExcludePlaceIDs))
- {
- $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
- }
- //$sSQL .= " limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aPlaceIDs = $this->oDB->getCol($sSQL);
- }
-
- if (!sizeof($aPlaceIDs))
- {
- $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
- if (sizeof($this->aExcludePlaceIDs))
- {
- $sSQL .= " and place_id not in (".join(',',$this->aExcludePlaceIDs).")";
- }
- //$sSQL .= " limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aPlaceIDs = $this->oDB->getCol($sSQL);
- }
-
- // Fallback to the road
- if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
- {
- $aPlaceIDs = $aRoadPlaceIDs;
- }
-
- }
-
- if ($aSearch['sClass'] && sizeof($aPlaceIDs))
- {
- $sPlaceIDs = join(',',$aPlaceIDs);
- $aClassPlaceIDs = array();
-
- if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
- {
- // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
- $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
- $sSQL .= " and linked_place_id is null";
- if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
- $sSQL .= " order by rank_search asc limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aClassPlaceIDs = $this->oDB->getCol($sSQL);
- }
-
- if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
- {
- $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
- $bCacheTable = $this->oDB->getOne($sSQL);
-
- $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
-
- if (CONST_Debug) var_dump($sSQL);
- $this->iMaxRank = ((int)$this->oDB->getOne($sSQL));
-
- // For state / country level searches the normal radius search doesn't work very well
- $sPlaceGeom = false;
- if ($this->iMaxRank < 9 && $bCacheTable)
- {
- // Try and get a polygon to search in instead
- $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
- if (CONST_Debug) var_dump($sSQL);
- $sPlaceGeom = $this->oDB->getOne($sSQL);
- }
-
- if ($sPlaceGeom)
- {
- $sPlaceIDs = false;
- }
- else
- {
- $this->iMaxRank += 5;
- $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $this->iMaxRank";
- if (CONST_Debug) var_dump($sSQL);
- $aPlaceIDs = $this->oDB->getCol($sSQL);
- $sPlaceIDs = join(',',$aPlaceIDs);
- }
-
- if ($sPlaceIDs || $sPlaceGeom)
- {
-
- $fRange = 0.01;
- if ($bCacheTable)
- {
- // More efficient - can make the range bigger
- $fRange = 0.05;
-
- $sOrderBySQL = '';
- if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
- else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
- else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
-
- $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
- if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
- if ($sPlaceIDs)
- {
- $sSQL .= ",placex as f where ";
- $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
- }
- if ($sPlaceGeom)
- {
- $sSQL .= " where ";
- $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
- }
- if (sizeof($this->aExcludePlaceIDs))
- {
- $sSQL .= " and l.place_id not in (".join(',',$this->aExcludePlaceIDs).")";
- }
- if ($sCountryCodesSQL) $sSQL .= " and lp.calculated_country_code in ($sCountryCodesSQL)";
- if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
- if ($this->iOffset) $sSQL .= " offset $this->iOffset";
- $sSQL .= " limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aClassPlaceIDs = array_merge($aClassPlaceIDs, $this->oDB->getCol($sSQL));
- }
- else
- {
- if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
-
- $sOrderBySQL = '';
- if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
- else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
-
- $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
- $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, f.centroid, $fRange) ";
- $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
- if (sizeof($this->aExcludePlaceIDs))
- {
- $sSQL .= " and l.place_id not in (".join(',',$this->aExcludePlaceIDs).")";
- }
- if ($sCountryCodesSQL) $sSQL .= " and l.calculated_country_code in ($sCountryCodesSQL)";
- if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
- if ($this->iOffset) $sSQL .= " offset $this->iOffset";
- $sSQL .= " limit $this->iLimit";
- if (CONST_Debug) var_dump($sSQL);
- $aClassPlaceIDs = array_merge($aClassPlaceIDs, $this->oDB->getCol($sSQL));
- }
- }
- }
-
- $aPlaceIDs = $aClassPlaceIDs;
-
- }
-
- }
-
- if (PEAR::IsError($aPlaceIDs))
- {
- failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
- }
-
- if (CONST_Debug) { echo "<br><b>Place IDs:</b> "; var_Dump($aPlaceIDs); }
-
- foreach($aPlaceIDs as $iPlaceID)
- {
- $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
- }
- if ($iQueryLoop > 20) break;
- }
-
- if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30))
- {
- // Need to verify passes rank limits before dropping out of the loop (yuk!)
- $sSQL = "select place_id from placex where place_id in (".join(',',$aResultPlaceIDs).") ";
- $sSQL .= "and (placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
- if (14 >= $this->iMinAddressRank && 14 <= $this->iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
- if ($this->aAddressRankList) $sSQL .= " OR placex.rank_address in (".join(',',$this->aAddressRankList).")";
- $sSQL .= ") UNION select place_id from location_property_tiger where place_id in (".join(',',$aResultPlaceIDs).") ";
- $sSQL .= "and (30 between $this->iMinAddressRank and $this->iMaxAddressRank ";
- if ($this->aAddressRankList) $sSQL .= " OR 30 in (".join(',',$this->aAddressRankList).")";
- $sSQL .= ")";
- if (CONST_Debug) var_dump($sSQL);
- $aResultPlaceIDs = $this->oDB->getCol($sSQL);
- }
-
- //exit;
- if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
- if ($iGroupLoop > 4) break;
- if ($iQueryLoop > 30) break;
- }
-
- // Did we find anything?
- if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))
- {
- $aSearchResults = $this->getDetails($aResultPlaceIDs);
- }
-
- }
- else
- {
- // Just interpret as a reverse geocode
- $iPlaceID = geocodeReverse((float)$this->aNearPoint[0], (float)$this->aNearPoint[1]);
- if ($iPlaceID)
- $aSearchResults = $this->getDetails(array($iPlaceID));
- else
- $aSearchResults = array();
- }
-
- // No results? Done
- if (!sizeof($aSearchResults))
- {
- if ($this->bFallback)
- {
- if ($this->fallbackStructuredQuery())
- {
- return $this->lookup();
- }
- }
-
- return array();
- }
-
- $aClassType = getClassTypesWithImportance();
- $aRecheckWords = preg_split('/\b[\s,\\-]*/u',$sQuery);
- foreach($aRecheckWords as $i => $sWord)
- {
- if (!$sWord) unset($aRecheckWords[$i]);
- }
-
- foreach($aSearchResults as $iResNum => $aResult)
- {
- if (CONST_Search_AreaPolygons)
- {
- // Get the bounding box and outline polygon
- $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
- $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
- $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
- $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
- if ($this->bIncludePolygonAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
- if ($this->bIncludePolygonAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
- if ($this->bIncludePolygonAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
- if ($this->bIncludePolygonAsText || $this->bIncludePolygonAsPoints) $sSQL .= ",ST_AsText(geometry) as astext";
- $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
- $aPointPolygon = $this->oDB->getRow($sSQL);
- if (PEAR::IsError($aPointPolygon))
- {
- failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
- }
-
- if ($aPointPolygon['place_id'])
- {
- if ($this->bIncludePolygonAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
- if ($this->bIncludePolygonAsKML) $aResult['askml'] = $aPointPolygon['askml'];
- if ($this->bIncludePolygonAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
- if ($this->bIncludePolygonAsText) $aResult['astext'] = $aPointPolygon['astext'];
-
- if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null )
- {
- $aResult['lat'] = $aPointPolygon['centrelat'];
- $aResult['lon'] = $aPointPolygon['centrelon'];
- }
-
- if ($this->bIncludePolygonAsPoints)
- {
- // Translate geometary string to point array
- if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
- {
- preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
- }
- elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
- {
- preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
- }
- elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
- {
- $fRadius = 0.01;
- $iSteps = ($fRadius * 40000)^2;
- $fStepSize = (2*pi())/$iSteps;
- $aPolyPoints = array();
- for($f = 0; $f < 2*pi(); $f += $fStepSize)
- {
- $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
- }
- $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
- $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
- $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
- $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
- }
- }
-
- // Output data suitable for display (points and a bounding box)
- if ($this->bIncludePolygonAsPoints && isset($aPolyPoints))
- {
- $aResult['aPolyPoints'] = array();
- foreach($aPolyPoints as $aPoint)
- {
- $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
- }
- }
- $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
- }
- }
-
- if ($aResult['extra_place'] == 'city')
- {
- $aResult['class'] = 'place';
- $aResult['type'] = 'city';
- $aResult['rank_search'] = 16;
- }
-
- if (!isset($aResult['aBoundingBox']))
- {
- // Default
- $fDiameter = 0.0001;
-
- if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
- && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
- {
- $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
- }
- elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
- && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
- {
- $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
- }
- $fRadius = $fDiameter / 2;
-
- $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
- $fStepSize = (2*pi())/$iSteps;
- $aPolyPoints = array();
- for($f = 0; $f < 2*pi(); $f += $fStepSize)
- {
- $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
- }
- $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
- $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
- $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
- $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
-
- // Output data suitable for display (points and a bounding box)
- if ($this->bIncludePolygonAsPoints)
- {
- $aResult['aPolyPoints'] = array();
- foreach($aPolyPoints as $aPoint)
- {
- $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
- }
- }
- $aResult['aBoundingBox'] = array((string)$aPointPolygon['minlat'],(string)$aPointPolygon['maxlat'],(string)$aPointPolygon['minlon'],(string)$aPointPolygon['maxlon']);
- }
-
- // Is there an icon set for this type of result?
- if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
- && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
- {
- $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
- }
-
- if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'])
- && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'])
- {
- $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['label'];
- }
- elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
- && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
- {
- $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
- }
-
- if ($this->bIncludeAddressDetails)
- {
- $aResult['address'] = getAddressDetails($this->oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
- if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city']))
- {
- $aResult['address'] = array_merge(array('city' => array_shift(array_values($aResult['address']))), $aResult['address']);
- }
- }
-
- // Adjust importance for the number of exact string matches in the result
- $aResult['importance'] = max(0.001,$aResult['importance']);
- $iCountWords = 0;
- $sAddress = $aResult['langaddress'];
- foreach($aRecheckWords as $i => $sWord)
- {
- if (stripos($sAddress, $sWord)!==false)
- {
- $iCountWords++;
- if (preg_match("/(^|,)\s*$sWord\s*(,|$)/", $sAddress)) $iCountWords += 0.1;
- }
- }
-
- $aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
-
- $aResult['name'] = $aResult['langaddress'];
- // secondary ordering (for results with same importance (the smaller the better):
- // - approximate importance of address parts
- $aResult['foundorder'] = -$aResult['addressimportance']/10;
- // - number of exact matches from the query
- if (isset($this->exactMatchCache[$aResult['place_id']]))
- $aResult['foundorder'] -= $this->exactMatchCache[$aResult['place_id']];
- else if (isset($this->exactMatchCache[$aResult['parent_place_id']]))
- $aResult['foundorder'] -= $this->exactMatchCache[$aResult['parent_place_id']];
- // - importance of the class/type
- if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
- && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
- {
- $aResult['foundorder'] = $aResult['foundorder'] + 0.000001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
- }
- else
- {
- $aResult['foundorder'] = $aResult['foundorder'] + 0.001;
- }
- $aSearchResults[$iResNum] = $aResult;
- }
- uasort($aSearchResults, 'byImportance');
-
- $aOSMIDDone = array();
- $aClassTypeNameDone = array();
- $aToFilter = $aSearchResults;
- $aSearchResults = array();
-
- $bFirst = true;
- foreach($aToFilter as $iResNum => $aResult)
- {
- if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
- $this->aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
- if ($bFirst)
- {
- $fLat = $aResult['lat'];
- $fLon = $aResult['lon'];
- if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
- $bFirst = false;
- }
- if (!$this->bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
- && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']])))
- {
- $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
- $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']] = true;
- $aSearchResults[] = $aResult;
- }
-
- // Absolute limit on number of results
- if (sizeof($aSearchResults) >= $this->iFinalLimit) break;
- }
-
- return $aSearchResults;
-
- } // end lookup()
-
-
- } // end class
+namespace Nominatim;
+
+require_once(CONST_BasePath.'/lib/PlaceLookup.php');
+require_once(CONST_BasePath.'/lib/Phrase.php');
+require_once(CONST_BasePath.'/lib/ReverseGeocode.php');
+require_once(CONST_BasePath.'/lib/SearchDescription.php');
+require_once(CONST_BasePath.'/lib/SearchContext.php');
+require_once(CONST_BasePath.'/lib/TokenList.php');
+
+class Geocode
+{
+ protected $oDB;
+
+ protected $oPlaceLookup;
+
+ protected $aLangPrefOrder = array();
+
+ protected $aExcludePlaceIDs = array();
+ protected $bReverseInPlan = false;
+
+ protected $iLimit = 20;
+ protected $iFinalLimit = 10;
+ protected $iOffset = 0;
+ protected $bFallback = false;
+
+ protected $aCountryCodes = false;
+
+ protected $bBoundedSearch = false;
+ protected $aViewBox = false;
+ protected $aRoutePoints = false;
+ protected $aRouteWidth = false;
+
+ protected $iMaxRank = 20;
+ protected $iMinAddressRank = 0;
+ protected $iMaxAddressRank = 30;
+ protected $aAddressRankList = array();
+
+ protected $sAllowedTypesSQLList = false;
+
+ protected $sQuery = false;
+ protected $aStructuredQuery = false;
+
+ protected $oNormalizer = null;
+
+
+ public function __construct(&$oDB)
+ {
+ $this->oDB =& $oDB;
+ $this->oPlaceLookup = new PlaceLookup($this->oDB);
+ $this->oNormalizer = \Transliterator::createFromRules(CONST_Term_Normalization_Rules);
+ }
+
+ private function normTerm($sTerm)
+ {
+ if ($this->oNormalizer === null) {
+ return $sTerm;
+ }
+
+ return $this->oNormalizer->transliterate($sTerm);
+ }
+
+ public function setReverseInPlan($bReverse)
+ {
+ $this->bReverseInPlan = $bReverse;
+ }
+
+ public function setLanguagePreference($aLangPref)
+ {
+ $this->aLangPrefOrder = $aLangPref;
+ }
+
+ public function getMoreUrlParams()
+ {
+ if ($this->aStructuredQuery) {
+ $aParams = $this->aStructuredQuery;
+ } else {
+ $aParams = array('q' => $this->sQuery);
+ }
+
+ $aParams = array_merge($aParams, $this->oPlaceLookup->getMoreUrlParams());
+
+ if ($this->aExcludePlaceIDs) {
+ $aParams['exclude_place_ids'] = implode(',', $this->aExcludePlaceIDs);
+ }
+
+ if ($this->bBoundedSearch) $aParams['bounded'] = '1';
+
+ if ($this->aCountryCodes) {
+ $aParams['countrycodes'] = implode(',', $this->aCountryCodes);
+ }
+
+ if ($this->aViewBox) {
+ $aParams['viewbox'] = join(',', $this->aViewBox);
+ }
+
+ return $aParams;
+ }
+
+ public function setLimit($iLimit = 10)
+ {
+ if ($iLimit > 50) $iLimit = 50;
+ if ($iLimit < 1) $iLimit = 1;
+
+ $this->iFinalLimit = $iLimit;
+ $this->iLimit = $iLimit + min($iLimit, 10);
+ }
+
+ public function setFeatureType($sFeatureType)
+ {
+ switch ($sFeatureType) {
+ case 'country':
+ $this->setRankRange(4, 4);
+ break;
+ case 'state':
+ $this->setRankRange(8, 8);
+ break;
+ case 'city':
+ $this->setRankRange(14, 16);
+ break;
+ case 'settlement':
+ $this->setRankRange(8, 20);
+ break;
+ }
+ }
+
+ public function setRankRange($iMin, $iMax)
+ {
+ $this->iMinAddressRank = $iMin;
+ $this->iMaxAddressRank = $iMax;
+ }
+
+ public function setViewbox($aViewbox)
+ {
+ $aBox = array_map('floatval', $aViewbox);
+
+ $this->aViewBox[0] = max(-180.0, min($aBox[0], $aBox[2]));
+ $this->aViewBox[1] = max(-90.0, min($aBox[1], $aBox[3]));
+ $this->aViewBox[2] = min(180.0, max($aBox[0], $aBox[2]));
+ $this->aViewBox[3] = min(90.0, max($aBox[1], $aBox[3]));
+
+ if ($this->aViewBox[2] - $this->aViewBox[0] < 0.000000001
+ || $this->aViewBox[3] - $this->aViewBox[1] < 0.000000001
+ ) {
+ userError("Bad parameter 'viewbox'. Not a box.");
+ }
+ }
+
+ private function viewboxImportanceFactor($fX, $fY)
+ {
+ if (!$this->aViewBox) {
+ return 1;
+ }
+
+ $fWidth = ($this->aViewBox[2] - $this->aViewBox[0])/2;
+ $fHeight = ($this->aViewBox[3] - $this->aViewBox[1])/2;
+
+ $fXDist = abs($fX - ($this->aViewBox[0] + $this->aViewBox[2])/2);
+ $fYDist = abs($fY - ($this->aViewBox[1] + $this->aViewBox[3])/2);
+
+ if ($fXDist <= $fWidth && $fYDist <= $fHeight) {
+ return 1;
+ }
+
+ if ($fXDist <= $fWidth * 3 && $fYDist <= 3 * $fHeight) {
+ return 0.5;
+ }
+
+ return 0.25;
+ }
+
+ public function setQuery($sQueryString)
+ {
+ $this->sQuery = $sQueryString;
+ $this->aStructuredQuery = false;
+ }
+
+ public function getQueryString()
+ {
+ return $this->sQuery;
+ }
+
+
+ public function loadParamArray($oParams, $sForceGeometryType = null)
+ {
+ $this->bBoundedSearch = $oParams->getBool('bounded', $this->bBoundedSearch);
+
+ $this->setLimit($oParams->getInt('limit', $this->iFinalLimit));
+ $this->iOffset = $oParams->getInt('offset', $this->iOffset);
+
+ $this->bFallback = $oParams->getBool('fallback', $this->bFallback);
+
+ // List of excluded Place IDs - used for more acurate pageing
+ $sExcluded = $oParams->getStringList('exclude_place_ids');
+ if ($sExcluded) {
+ foreach ($sExcluded as $iExcludedPlaceID) {
+ $iExcludedPlaceID = (int)$iExcludedPlaceID;
+ if ($iExcludedPlaceID)
+ $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
+ }
+
+ if (isset($aExcludePlaceIDs))
+ $this->aExcludePlaceIDs = $aExcludePlaceIDs;
+ }
+
+ // Only certain ranks of feature
+ $sFeatureType = $oParams->getString('featureType');
+ if (!$sFeatureType) $sFeatureType = $oParams->getString('featuretype');
+ if ($sFeatureType) $this->setFeatureType($sFeatureType);
+
+ // Country code list
+ $sCountries = $oParams->getStringList('countrycodes');
+ if ($sCountries) {
+ foreach ($sCountries as $sCountryCode) {
+ if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode)) {
+ $aCountries[] = strtolower($sCountryCode);
+ }
+ }
+ if (isset($aCountries))
+ $this->aCountryCodes = $aCountries;
+ }
+
+ $aViewbox = $oParams->getStringList('viewboxlbrt');
+ if ($aViewbox) {
+ if (count($aViewbox) != 4) {
+ userError("Bad parameter 'viewboxlbrt'. Expected 4 coordinates.");
+ }
+ $this->setViewbox($aViewbox);
+ } else {
+ $aViewbox = $oParams->getStringList('viewbox');
+ if ($aViewbox) {
+ if (count($aViewbox) != 4) {
+ userError("Bad parameter 'viewbox'. Expected 4 coordinates.");
+ }
+ $this->setViewBox($aViewbox);
+ } else {
+ $aRoute = $oParams->getStringList('route');
+ $fRouteWidth = $oParams->getFloat('routewidth');
+ if ($aRoute && $fRouteWidth) {
+ $this->aRoutePoints = $aRoute;
+ $this->aRouteWidth = $fRouteWidth;
+ }
+ }
+ }
+
+ $this->oPlaceLookup->loadParamArray($oParams, $sForceGeometryType);
+ $this->oPlaceLookup->setIncludeAddressDetails($oParams->getBool('addressdetails', false));
+ }
+
+ public function setQueryFromParams($oParams)
+ {
+ // Search query
+ $sQuery = $oParams->getString('q');
+ if (!$sQuery) {
+ $this->setStructuredQuery(
+ $oParams->getString('amenity'),
+ $oParams->getString('street'),
+ $oParams->getString('city'),
+ $oParams->getString('county'),
+ $oParams->getString('state'),
+ $oParams->getString('country'),
+ $oParams->getString('postalcode')
+ );
+ $this->setReverseInPlan(false);
+ } else {
+ $this->setQuery($sQuery);
+ }
+ }
+
+ public function loadStructuredAddressElement($sValue, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank, $aItemListValues)
+ {
+ $sValue = trim($sValue);
+ if (!$sValue) return false;
+ $this->aStructuredQuery[$sKey] = $sValue;
+ if ($this->iMinAddressRank == 0 && $this->iMaxAddressRank == 30) {
+ $this->iMinAddressRank = $iNewMinAddressRank;
+ $this->iMaxAddressRank = $iNewMaxAddressRank;
+ }
+ if ($aItemListValues) $this->aAddressRankList = array_merge($this->aAddressRankList, $aItemListValues);
+ return true;
+ }
+
+ public function setStructuredQuery($sAmenity = false, $sStreet = false, $sCity = false, $sCounty = false, $sState = false, $sCountry = false, $sPostalCode = false)
+ {
+ $this->sQuery = false;
+
+ // Reset
+ $this->iMinAddressRank = 0;
+ $this->iMaxAddressRank = 30;
+ $this->aAddressRankList = array();
+
+ $this->aStructuredQuery = array();
+ $this->sAllowedTypesSQLList = false;
+
+ $this->loadStructuredAddressElement($sAmenity, 'amenity', 26, 30, false);
+ $this->loadStructuredAddressElement($sStreet, 'street', 26, 30, false);
+ $this->loadStructuredAddressElement($sCity, 'city', 14, 24, false);
+ $this->loadStructuredAddressElement($sCounty, 'county', 9, 13, false);
+ $this->loadStructuredAddressElement($sState, 'state', 8, 8, false);
+ $this->loadStructuredAddressElement($sPostalCode, 'postalcode', 5, 11, array(5, 11));
+ $this->loadStructuredAddressElement($sCountry, 'country', 4, 4, false);
+
+ if (!empty($this->aStructuredQuery)) {
+ $this->sQuery = join(', ', $this->aStructuredQuery);
+ if ($this->iMaxAddressRank < 30) {
+ $this->sAllowedTypesSQLList = '(\'place\',\'boundary\')';
+ }
+ }
+ }
+
+ public function fallbackStructuredQuery()
+ {
+ if (!$this->aStructuredQuery) return false;
+
+ $aParams = $this->aStructuredQuery;
+
+ if (count($aParams) == 1) return false;
+
+ $aOrderToFallback = array('postalcode', 'street', 'city', 'county', 'state');
+
+ foreach ($aOrderToFallback as $sType) {
+ if (isset($aParams[$sType])) {
+ unset($aParams[$sType]);
+ $this->setStructuredQuery(@$aParams['amenity'], @$aParams['street'], @$aParams['city'], @$aParams['county'], @$aParams['state'], @$aParams['country'], @$aParams['postalcode']);
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ public function getGroupedSearches($aSearches, $aPhrases, $oValidTokens, $bIsStructured)
+ {
+ /*
+ Calculate all searches using oValidTokens i.e.
+ 'Wodsworth Road, Sheffield' =>
+
+ Phrase Wordset
+ 0 0 (wodsworth road)
+ 0 1 (wodsworth)(road)
+ 1 0 (sheffield)
+
+ Score how good the search is so they can be ordered
+ */
+ foreach ($aPhrases as $iPhrase => $oPhrase) {
+ $aNewPhraseSearches = array();
+ $sPhraseType = $bIsStructured ? $oPhrase->getPhraseType() : '';
+
+ foreach ($oPhrase->getWordSets() as $aWordset) {
+ $aWordsetSearches = $aSearches;
+
+ // Add all words from this wordset
+ foreach ($aWordset as $iToken => $sToken) {
+ //echo "<br><b>$sToken</b>";
+ $aNewWordsetSearches = array();
+
+ foreach ($aWordsetSearches as $oCurrentSearch) {
+ //echo "<i>";
+ //var_dump($oCurrentSearch);
+ //echo "</i>";
+
+ // Tokens with full name matches.
+ foreach ($oValidTokens->get(' '.$sToken) as $oSearchTerm) {
+ $aNewSearches = $oCurrentSearch->extendWithFullTerm(
+ $oSearchTerm,
+ $oValidTokens->contains($sToken)
+ && strpos($sToken, ' ') === false,
+ $sPhraseType,
+ $iToken == 0 && $iPhrase == 0,
+ $iPhrase == 0,
+ $iToken + 1 == count($aWordset)
+ && $iPhrase + 1 == count($aPhrases)
+ );
+
+ foreach ($aNewSearches as $oSearch) {
+ if ($oSearch->getRank() < $this->iMaxRank) {
+ $aNewWordsetSearches[] = $oSearch;
+ }
+ }
+ }
+ // Look for partial matches.
+ // Note that there is no point in adding country terms here
+ // because country is omitted in the address.
+ if ($sPhraseType != 'country') {
+ // Allow searching for a word - but at extra cost
+ foreach ($oValidTokens->get($sToken) as $oSearchTerm) {
+ $aNewSearches = $oCurrentSearch->extendWithPartialTerm(
+ $sToken,
+ $oSearchTerm,
+ $bIsStructured,
+ $iPhrase,
+ $oValidTokens->get(' '.$sToken)
+ );
+
+ foreach ($aNewSearches as $oSearch) {
+ if ($oSearch->getRank() < $this->iMaxRank) {
+ $aNewWordsetSearches[] = $oSearch;
+ }
+ }
+ }
+ }
+ }
+ // Sort and cut
+ usort($aNewWordsetSearches, array('Nominatim\SearchDescription', 'bySearchRank'));
+ $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
+ }
+ //var_Dump('<hr>',count($aWordsetSearches)); exit;
+
+ $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
+ usort($aNewPhraseSearches, array('Nominatim\SearchDescription', 'bySearchRank'));
+
+ $aSearchHash = array();
+ foreach ($aNewPhraseSearches as $iSearch => $aSearch) {
+ $sHash = serialize($aSearch);
+ if (isset($aSearchHash[$sHash])) unset($aNewPhraseSearches[$iSearch]);
+ else $aSearchHash[$sHash] = 1;
+ }
+
+ $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
+ }
+
+ // Re-group the searches by their score, junk anything over 20 as just not worth trying
+ $aGroupedSearches = array();
+ foreach ($aNewPhraseSearches as $aSearch) {
+ $iRank = $aSearch->getRank();
+ if ($iRank < $this->iMaxRank) {
+ if (!isset($aGroupedSearches[$iRank])) {
+ $aGroupedSearches[$iRank] = array();
+ }
+ $aGroupedSearches[$iRank][] = $aSearch;
+ }
+ }
+ ksort($aGroupedSearches);
+
+ $iSearchCount = 0;
+ $aSearches = array();
+ foreach ($aGroupedSearches as $iScore => $aNewSearches) {
+ $iSearchCount += count($aNewSearches);
+ $aSearches = array_merge($aSearches, $aNewSearches);
+ if ($iSearchCount > 50) break;
+ }
+ }
+
+ // Revisit searches, drop bad searches and give penalty to unlikely combinations.
+ $aGroupedSearches = array();
+ foreach ($aSearches as $oSearch) {
+ if (!$oSearch->isValidSearch()) {
+ continue;
+ }
+
+ $iRank = $oSearch->getRank();
+ if (!isset($aGroupedSearches[$iRank])) {
+ $aGroupedSearches[$iRank] = array();
+ }
+ $aGroupedSearches[$iRank][] = $oSearch;
+ }
+ ksort($aGroupedSearches);
+
+ return $aGroupedSearches;
+ }
+
+ /* Perform the actual query lookup.
+
+ Returns an ordered list of results, each with the following fields:
+ osm_type: type of corresponding OSM object
+ N - node
+ W - way
+ R - relation
+ P - postcode (internally computed)
+ osm_id: id of corresponding OSM object
+ class: general object class (corresponds to tag key of primary OSM tag)
+ type: subclass of object (corresponds to tag value of primary OSM tag)
+ admin_level: see https://wiki.openstreetmap.org/wiki/Admin_level
+ rank_search: rank in search hierarchy
+ (see also https://wiki.openstreetmap.org/wiki/Nominatim/Development_overview#Country_to_street_level)
+ rank_address: rank in address hierarchy (determines orer in address)
+ place_id: internal key (may differ between different instances)
+ country_code: ISO country code
+ langaddress: localized full address
+ placename: localized name of object
+ ref: content of ref tag (if available)
+ lon: longitude
+ lat: latitude
+ importance: importance of place based on Wikipedia link count
+ addressimportance: cumulated importance of address elements
+ extra_place: type of place (for admin boundaries, if there is a place tag)
+ aBoundingBox: bounding Box
+ label: short description of the object class/type (English only)
+ name: full name (currently the same as langaddress)
+ foundorder: secondary ordering for places with same importance
+ */
+
+
+ public function lookup()
+ {
+ Debug::newFunction('Geocode::lookup');
+ if (!$this->sQuery && !$this->aStructuredQuery) return array();
+
+ Debug::printDebugArray('Geocode', $this);
+
+ $oCtx = new SearchContext();
+
+ if ($this->aRoutePoints) {
+ $oCtx->setViewboxFromRoute(
+ $this->oDB,
+ $this->aRoutePoints,
+ $this->aRouteWidth,
+ $this->bBoundedSearch
+ );
+ } elseif ($this->aViewBox) {
+ $oCtx->setViewboxFromBox($this->aViewBox, $this->bBoundedSearch);
+ }
+ if ($this->aExcludePlaceIDs) {
+ $oCtx->setExcludeList($this->aExcludePlaceIDs);
+ }
+ if ($this->aCountryCodes) {
+ $oCtx->setCountryList($this->aCountryCodes);
+ }
+
+ Debug::newSection('Query Preprocessing');
+
+ $sNormQuery = $this->normTerm($this->sQuery);
+ Debug::printVar('Normalized query', $sNormQuery);
+
+ $sLanguagePrefArraySQL = $this->oDB->getArraySQL(
+ $this->oDB->getDBQuotedList($this->aLangPrefOrder)
+ );
+
+ $sQuery = $this->sQuery;
+ if (!preg_match('//u', $sQuery)) {
+ userError('Query string is not UTF-8 encoded.');
+ }
+
+ // Conflicts between US state abreviations and various words for 'the' in different languages
+ if (isset($this->aLangPrefOrder['name:en'])) {
+ $sQuery = preg_replace('/(^|,)\s*il\s*(,|$)/i', '\1illinois\2', $sQuery);
+ $sQuery = preg_replace('/(^|,)\s*al\s*(,|$)/i', '\1alabama\2', $sQuery);
+ $sQuery = preg_replace('/(^|,)\s*la\s*(,|$)/i', '\1louisiana\2', $sQuery);
+ }
+
+ // Do we have anything that looks like a lat/lon pair?
+ $sQuery = $oCtx->setNearPointFromQuery($sQuery);
+
+ if ($sQuery || $this->aStructuredQuery) {
+ // Start with a single blank search
+ $aSearches = array(new SearchDescription($oCtx));
+
+ if ($sQuery) {
+ $sQuery = $aSearches[0]->extractKeyValuePairs($sQuery);
+ }
+
+ $sSpecialTerm = '';
+ if ($sQuery) {
+ preg_match_all(
+ '/\\[([\\w ]*)\\]/u',
+ $sQuery,
+ $aSpecialTermsRaw,
+ PREG_SET_ORDER
+ );
+ if (!empty($aSpecialTermsRaw)) {
+ Debug::printVar('Special terms', $aSpecialTermsRaw);
+ }
+
+ foreach ($aSpecialTermsRaw as $aSpecialTerm) {
+ $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
+ if (!$sSpecialTerm) {
+ $sSpecialTerm = $aSpecialTerm[1];
+ }
+ }
+ }
+ if (!$sSpecialTerm && $this->aStructuredQuery
+ && isset($this->aStructuredQuery['amenity'])) {
+ $sSpecialTerm = $this->aStructuredQuery['amenity'];
+ unset($this->aStructuredQuery['amenity']);
+ }
+
+ if ($sSpecialTerm && !$aSearches[0]->hasOperator()) {
+ $sSpecialTerm = pg_escape_string($sSpecialTerm);
+ $sToken = $this->oDB->getOne(
+ 'SELECT make_standard_name(:term)',
+ array(':term' => $sSpecialTerm),
+ 'Cannot decode query. Wrong encoding?'
+ );
+ $sSQL = 'SELECT class, type FROM word ';
+ $sSQL .= ' WHERE word_token in (\' '.$sToken.'\')';
+ $sSQL .= ' AND class is not null AND class not in (\'place\')';
+
+ Debug::printSQL($sSQL);
+ $aSearchWords = $this->oDB->getAll($sSQL);
+ $aNewSearches = array();
+ foreach ($aSearches as $oSearch) {
+ foreach ($aSearchWords as $aSearchTerm) {
+ $oNewSearch = clone $oSearch;
+ $oNewSearch->setPoiSearch(
+ Operator::TYPE,
+ $aSearchTerm['class'],
+ $aSearchTerm['type']
+ );
+ $aNewSearches[] = $oNewSearch;
+ }
+ }
+ $aSearches = $aNewSearches;
+ }
+
+ // Split query into phrases
+ // Commas are used to reduce the search space by indicating where phrases split
+ if ($this->aStructuredQuery) {
+ $aInPhrases = $this->aStructuredQuery;
+ $bStructuredPhrases = true;
+ } else {
+ $aInPhrases = explode(',', $sQuery);
+ $bStructuredPhrases = false;
+ }
+
+ Debug::printDebugArray('Search context', $oCtx);
+ Debug::printDebugArray('Base search', empty($aSearches) ? null : $aSearches[0]);
+ Debug::printVar('Final query phrases', $aInPhrases);
+
+ // Convert each phrase to standard form
+ // Create a list of standard words
+ // Get all 'sets' of words
+ // Generate a complete list of all
+ Debug::newSection('Tokenization');
+ $aTokens = array();
+ $aPhrases = array();
+ foreach ($aInPhrases as $iPhrase => $sPhrase) {
+ $sPhrase = $this->oDB->getOne(
+ 'SELECT make_standard_name(:phrase)',
+ array(':phrase' => $sPhrase),
+ 'Cannot normalize query string (is it a UTF-8 string?)'
+ );
+ if (trim($sPhrase)) {
+ $oPhrase = new Phrase($sPhrase, is_string($iPhrase) ? $iPhrase : '');
+ $oPhrase->addTokens($aTokens);
+ $aPhrases[] = $oPhrase;
+ }
+ }
+
+ Debug::printVar('Tokens', $aTokens);
+
+ $oValidTokens = new TokenList();
+
+ if (!empty($aTokens)) {
+ $sSQL = 'SELECT word_id, word_token, word, class, type, country_code, operator, search_name_count';
+ $sSQL .= ' FROM word ';
+ $sSQL .= ' WHERE word_token in ('.join(',', $this->oDB->getDBQuotedList($aTokens)).')';
+
+ Debug::printSQL($sSQL);
+
+ $oValidTokens->addTokensFromDB(
+ $this->oDB,
+ $aTokens,
+ $this->aCountryCodes,
+ $sNormQuery,
+ $this->oNormalizer
+ );
+
+ // Try more interpretations for Tokens that could not be matched.
+ foreach ($aTokens as $sToken) {
+ if ($sToken[0] == ' ' && !$oValidTokens->contains($sToken)) {
+ if (preg_match('/^ ([0-9]{5}) [0-9]{4}$/', $sToken, $aData)) {
+ // US ZIP+4 codes - merge in the 5-digit ZIP code
+ $oValidTokens->addToken(
+ $sToken,
+ new Token\Postcode(null, $aData[1], 'us')
+ );
+ } elseif (preg_match('/^ [0-9]+$/', $sToken)) {
+ // Unknown single word token with a number.
+ // Assume it is a house number.
+ $oValidTokens->addToken(
+ $sToken,
+ new Token\HouseNumber(null, trim($sToken))
+ );
+ }
+ }
+ }
+
+ // Any words that have failed completely?
+ // TODO: suggestions
+
+ Debug::printGroupTable('Valid Tokens', $oValidTokens->debugInfo());
+
+ foreach ($aPhrases as $oPhrase) {
+ $oPhrase->computeWordSets($oValidTokens);
+ }
+ Debug::printDebugTable('Phrases', $aPhrases);
+
+ Debug::newSection('Search candidates');
+
+ $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $oValidTokens, $bStructuredPhrases);
+
+ if ($this->bReverseInPlan) {
+ // Reverse phrase array and also reverse the order of the wordsets in
+ // the first and final phrase. Don't bother about phrases in the middle
+ // because order in the address doesn't matter.
+ $aPhrases = array_reverse($aPhrases);
+ $aPhrases[0]->invertWordSets();
+ if (count($aPhrases) > 1) {
+ $aPhrases[count($aPhrases)-1]->invertWordSets();
+ }
+ $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $oValidTokens, false);
+
+ foreach ($aGroupedSearches as $aSearches) {
+ foreach ($aSearches as $aSearch) {
+ if (!isset($aReverseGroupedSearches[$aSearch->getRank()])) {
+ $aReverseGroupedSearches[$aSearch->getRank()] = array();
+ }
+ $aReverseGroupedSearches[$aSearch->getRank()][] = $aSearch;
+ }
+ }
+
+ $aGroupedSearches = $aReverseGroupedSearches;
+ ksort($aGroupedSearches);
+ }
+ } else {
+ // Re-group the searches by their score, junk anything over 20 as just not worth trying
+ $aGroupedSearches = array();
+ foreach ($aSearches as $aSearch) {
+ if ($aSearch->getRank() < $this->iMaxRank) {
+ if (!isset($aGroupedSearches[$aSearch->getRank()])) $aGroupedSearches[$aSearch->getRank()] = array();
+ $aGroupedSearches[$aSearch->getRank()][] = $aSearch;
+ }
+ }
+ ksort($aGroupedSearches);
+ }
+
+ // Filter out duplicate searches
+ $aSearchHash = array();
+ foreach ($aGroupedSearches as $iGroup => $aSearches) {
+ foreach ($aSearches as $iSearch => $aSearch) {
+ $sHash = serialize($aSearch);
+ if (isset($aSearchHash[$sHash])) {
+ unset($aGroupedSearches[$iGroup][$iSearch]);
+ if (empty($aGroupedSearches[$iGroup])) unset($aGroupedSearches[$iGroup]);
+ } else {
+ $aSearchHash[$sHash] = 1;
+ }
+ }
+ }
+
+ Debug::printGroupedSearch(
+ $aGroupedSearches,
+ $oValidTokens->debugTokenByWordIdList()
+ );
+
+ // Start the search process
+ $iGroupLoop = 0;
+ $iQueryLoop = 0;
+ $aNextResults = array();
+ foreach ($aGroupedSearches as $iGroupedRank => $aSearches) {
+ $iGroupLoop++;
+ $aResults = $aNextResults;
+ foreach ($aSearches as $oSearch) {
+ $iQueryLoop++;
+
+ Debug::newSection("Search Loop, group $iGroupLoop, loop $iQueryLoop");
+ Debug::printGroupedSearch(
+ array($iGroupedRank => array($oSearch)),
+ $oValidTokens->debugTokenByWordIdList()
+ );
+
+ $aNewResults = $oSearch->query(
+ $this->oDB,
+ $this->iMinAddressRank,
+ $this->iMaxAddressRank,
+ $this->iLimit
+ );
+
+ // The same result may appear in different rounds, only
+ // use the one with minimal rank.
+ foreach ($aNewResults as $iPlace => $oRes) {
+ if (!isset($aResults[$iPlace])
+ || $aResults[$iPlace]->iResultRank > $oRes->iResultRank) {
+ $aResults[$iPlace] = $oRes;
+ }
+ }
+
+ if ($iQueryLoop > 20) break;
+ }
+
+ if (!empty($aResults)) {
+ $aSplitResults = Result::splitResults($aResults);
+ Debug::printVar('Split results', $aSplitResults);
+ if ($iGroupLoop <= 4 && empty($aSplitResults['tail'])
+ && reset($aSplitResults['head'])->iResultRank > 0) {
+ // Haven't found an exact match for the query yet.
+ // Therefore add result from the next group level.
+ $aNextResults = $aSplitResults['head'];
+ foreach ($aNextResults as $oRes) {
+ $oRes->iResultRank--;
+ }
+ $aResults = array();
+ } else {
+ $aResults = $aSplitResults['head'];
+ }
+ }
+
+ if (!empty($aResults) && ($this->iMinAddressRank != 0 || $this->iMaxAddressRank != 30)) {
+ // Need to verify passes rank limits before dropping out of the loop (yuk!)
+ // reduces the number of place ids, like a filter
+ // rank_address is 30 for interpolated housenumbers
+ $aFilterSql = array();
+ $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_PLACEX);
+ if ($sPlaceIds) {
+ $sSQL = 'SELECT place_id FROM placex ';
+ $sSQL .= 'WHERE place_id in ('.$sPlaceIds.') ';
+ $sSQL .= ' AND (';
+ $sSQL .= " placex.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
+ $sSQL .= " OR placex.rank_search between $this->iMinAddressRank and $this->iMaxAddressRank ";
+ if ($this->aAddressRankList) {
+ $sSQL .= ' OR placex.rank_address in ('.join(',', $this->aAddressRankList).')';
+ }
+ $sSQL .= ')';
+ $aFilterSql[] = $sSQL;
+ }
+ $sPlaceIds = Result::joinIdsByTable($aResults, Result::TABLE_POSTCODE);
+ if ($sPlaceIds) {
+ $sSQL = ' SELECT place_id FROM location_postcode lp ';
+ $sSQL .= 'WHERE place_id in ('.$sPlaceIds.') ';
+ $sSQL .= " AND (lp.rank_address between $this->iMinAddressRank and $this->iMaxAddressRank ";
+ if ($this->aAddressRankList) {
+ $sSQL .= ' OR lp.rank_address in ('.join(',', $this->aAddressRankList).')';
+ }
+ $sSQL .= ') ';
+ $aFilterSql[] = $sSQL;
+ }
+
+ $aFilteredIDs = array();
+ if ($aFilterSql) {
+ $sSQL = join(' UNION ', $aFilterSql);
+ Debug::printSQL($sSQL);
+ $aFilteredIDs = $this->oDB->getCol($sSQL);
+ }
+
+ $tempIDs = array();
+ foreach ($aResults as $oResult) {
+ if (($this->iMaxAddressRank == 30 &&
+ ($oResult->iTable == Result::TABLE_OSMLINE
+ || $oResult->iTable == Result::TABLE_AUX
+ || $oResult->iTable == Result::TABLE_TIGER))
+ || in_array($oResult->iId, $aFilteredIDs)
+ ) {
+ $tempIDs[$oResult->iId] = $oResult;
+ }
+ }
+ $aResults = $tempIDs;
+ }
+
+ if (!empty($aResults)) break;
+ if ($iGroupLoop > 4) break;
+ if ($iQueryLoop > 30) break;
+ }
+ } else {
+ // Just interpret as a reverse geocode
+ $oReverse = new ReverseGeocode($this->oDB);
+ $oReverse->setZoom(18);
+
+ $oLookup = $oReverse->lookupPoint($oCtx->sqlNear, false);
+
+ Debug::printVar('Reverse search', $oLookup);
+
+ if ($oLookup) {
+ $aResults = array($oLookup->iId => $oLookup);
+ }
+ }
+
+ // No results? Done
+ if (empty($aResults)) {
+ if ($this->bFallback) {
+ if ($this->fallbackStructuredQuery()) {
+ return $this->lookup();
+ }
+ }
+
+ return array();
+ }
+
+ if ($this->aAddressRankList) {
+ $this->oPlaceLookup->setAddressRankList($this->aAddressRankList);
+ }
+ $this->oPlaceLookup->setAllowedTypesSQLList($this->sAllowedTypesSQLList);
+ $this->oPlaceLookup->setLanguagePreference($this->aLangPrefOrder);
+ if ($oCtx->hasNearPoint()) {
+ $this->oPlaceLookup->setAnchorSql($oCtx->sqlNear);
+ }
+
+ $aSearchResults = $this->oPlaceLookup->lookup($aResults);
+
+ $aRecheckWords = preg_split('/\b[\s,\\-]*/u', $sQuery);
+ foreach ($aRecheckWords as $i => $sWord) {
+ if (!preg_match('/[\pL\pN]/', $sWord)) unset($aRecheckWords[$i]);
+ }
+
+ Debug::printVar('Recheck words', $aRecheckWords);
+
+ foreach ($aSearchResults as $iIdx => $aResult) {
+ $fRadius = ClassTypes\getDefRadius($aResult);
+
+ $aOutlineResult = $this->oPlaceLookup->getOutlines($aResult['place_id'], $aResult['lon'], $aResult['lat'], $fRadius);
+ if ($aOutlineResult) {
+ $aResult = array_merge($aResult, $aOutlineResult);
+ }
+
+ // Is there an icon set for this type of result?
+ $sIcon = ClassTypes\getIconFile($aResult);
+ if (isset($sIcon)) {
+ $aResult['icon'] = $sIcon;
+ }
+
+ $sLabel = ClassTypes\getLabel($aResult);
+ if (isset($sLabel)) {
+ $aResult['label'] = $sLabel;
+ }
+ $aResult['name'] = $aResult['langaddress'];
+
+ if ($oCtx->hasNearPoint()) {
+ $aResult['importance'] = 0.001;
+ $aResult['foundorder'] = $aResult['addressimportance'];
+ } else {
+ $aResult['importance'] = max(0.001, $aResult['importance']);
+ $aResult['importance'] *= $this->viewboxImportanceFactor(
+ $aResult['lon'],
+ $aResult['lat']
+ );
+ // Adjust importance for the number of exact string matches in the result
+ $iCountWords = 0;
+ $sAddress = $aResult['langaddress'];
+ foreach ($aRecheckWords as $i => $sWord) {
+ if (stripos($sAddress, $sWord)!==false) {
+ $iCountWords++;
+ if (preg_match('/(^|,)\s*'.preg_quote($sWord, '/').'\s*(,|$)/', $sAddress)) $iCountWords += 0.1;
+ }
+ }
+
+ $aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
+
+ // secondary ordering (for results with same importance (the smaller the better):
+ // - approximate importance of address parts
+ $aResult['foundorder'] = -$aResult['addressimportance']/10;
+ // - number of exact matches from the query
+ $aResult['foundorder'] -= $aResults[$aResult['place_id']]->iExactMatches;
+ // - importance of the class/type
+ $iClassImportance = ClassTypes\getImportance($aResult);
+ if (isset($iClassImportance)) {
+ $aResult['foundorder'] += 0.0001 * $iClassImportance;
+ } else {
+ $aResult['foundorder'] += 0.01;
+ }
+ }
+ $aSearchResults[$iIdx] = $aResult;
+ }
+ uasort($aSearchResults, 'byImportance');
+ Debug::printVar('Pre-filter results', $aSearchResults);
+
+ $aOSMIDDone = array();
+ $aClassTypeNameDone = array();
+ $aToFilter = $aSearchResults;
+ $aSearchResults = array();
+
+ $bFirst = true;
+ foreach ($aToFilter as $aResult) {
+ $this->aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
+ if ($bFirst) {
+ $fLat = $aResult['lat'];
+ $fLon = $aResult['lon'];
+ if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
+ $bFirst = false;
+ }
+ if (!$this->oPlaceLookup->doDeDupe() || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
+ && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']]))
+ ) {
+ $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
+ $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']] = true;
+ $aSearchResults[] = $aResult;
+ }
+
+ // Absolute limit on number of results
+ if (count($aSearchResults) >= $this->iFinalLimit) break;
+ }
+
+ Debug::printVar('Post-filter results', $aSearchResults);
+ return $aSearchResults;
+ } // end lookup()
+
+ public function debugInfo()
+ {
+ return array(
+ 'Query' => $this->sQuery,
+ 'Structured query' => $this->aStructuredQuery,
+ 'Name keys' => Debug::fmtArrayVals($this->aLangPrefOrder),
+ 'Excluded place IDs' => Debug::fmtArrayVals($this->aExcludePlaceIDs),
+ 'Try reversed query'=> $this->bReverseInPlan,
+ 'Limit (for searches)' => $this->iLimit,
+ 'Limit (for results)'=> $this->iFinalLimit,
+ 'Country codes' => Debug::fmtArrayVals($this->aCountryCodes),
+ 'Bounded search' => $this->bBoundedSearch,
+ 'Viewbox' => Debug::fmtArrayVals($this->aViewBox),
+ 'Route points' => Debug::fmtArrayVals($this->aRoutePoints),
+ 'Route width' => $this->aRouteWidth,
+ 'Max rank' => $this->iMaxRank,
+ 'Min address rank' => $this->iMinAddressRank,
+ 'Max address rank' => $this->iMaxAddressRank,
+ 'Address rank list' => Debug::fmtArrayVals($this->aAddressRankList)
+ );
+ }
+} // end class
projects / nominatim.git / blobdiff