X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/607fef2d8fe96a3dde44b4294840210e1ecc81af..f8a5f2964fb4fdcaa774f1149dc6007012af3a2a:/lib/Geocode.php?ds=inline diff --git a/lib/Geocode.php b/lib/Geocode.php index a6ff279c..bc81bced 100644 --- a/lib/Geocode.php +++ b/lib/Geocode.php @@ -1,1877 +1,1001 @@ 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 getIncludeExtraTags() - { - return $this->bIncludeExtraTags; - } - - function getIncludeNameDetails() - { - return $this->bIncludeNameDetails; - } - - function setIncludePolygonAsPoints($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 = $b; - } - - function setPolygonSimplificationThreshold($f) - { - $this->fPolygonSimplificationThreshold = $f; - } - - function setDeDupe($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 ((float) CONST_Postgresql_Version > 9.2) - { - if (isset($aParams['extratags'])) $this->bIncludeExtraTags = (bool)$aParams['extratags']; - if (isset($aParams['namedetails'])) $this->bIncludeNameDetails = (bool)$aParams['namedetails']; - } - 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] = $iExcludedPlaceID; - } - - if (isset($aExcludePlaceIDs)) - $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,"; - $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,"; - if ($this->bIncludeExtraTags) $sSQL .= "hstore_to_json(extratags)::text as extra,"; - if ($this->bIncludeNameDetails) $sSQL .= "hstore_to_json(name)::text as names,"; - $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 "; - $sSQL .= ",ref "; - if ($this->bIncludeExtraTags) $sSQL .= ",extratags"; - if ($this->bIncludeNameDetails) $sSQL .= ",name"; - $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,"; - $sSQL .= "null as ref,"; - if ($this->bIncludeExtraTags) $sSQL .= "null as extra,"; - if ($this->bIncludeNameDetails) $sSQL .= "null as names,"; - $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,"; - $sSQL .= "null as ref,"; - if ($this->bIncludeExtraTags) $sSQL .= "null as extra,"; - if ($this->bIncludeNameDetails) $sSQL .= "null as names,"; - $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) "; - } - - $sSQL .= " order by importance desc"; - if (CONST_Debug) { echo "
"; var_dump($sSQL); } - $aSearchResults = $this->oDB->getAll($sSQL); - - if (PEAR::IsError($aSearchResults)) - { - failInternalError("Could not get details for place.", $sSQL, $aSearchResults); - } - - return $aSearchResults; - } - - function getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases) - { - /* - Calculate all searches using aValidTokens i.e. - 'Wodsworth Road, Sheffield' => - - Phrase Wordset - 0 0 (wodsworth road) - 0 1 (wodsworth)(road) - 1 0 (sheffield) - - Score how good the search is so they can be ordered - */ - foreach($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 "
$sToken"; - $aNewWordsetSearches = array(); - - foreach($aWordsetSearches as $aCurrentSearch) - { - //echo ""; - //var_dump($aCurrentSearch); - //echo ""; - - // 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 (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases))) - { - $aSearch['iSearchRank'] += 5; - } - if ($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[$sToken]) || strpos($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) $aSearch['iSearchRank']++; - // also housenumbers should appear in the first or second phrase - if ($iPhrase > 1) $aSearch['iSearchRank'] += 1; - if ($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) $aSearch['iSearchRank'] += 1; - - if ($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[$sToken]) || strpos($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[] = $aSearch; - } - } - } - // Look for partial matches. - // Note that there is no point in adding country terms here - // because country are omitted in the address. - if (isset($aValidTokens[$sToken]) && $sPhraseType != 'country') - { - // Allow searching for a word - but at extra cost - foreach($aValidTokens[$sToken] as $aSearchTerm) - { - if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id']) - { - if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strpos($sToken, ' ') === false) - { - $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? - { - $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id']; - $aSearch['iSearchRank'] += 1; - if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch; - foreach($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']] = $aSearchTerm['word_id']; - if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2; - if ($aSearch['iSearchRank'] < $this->iMaxRank) $aNewWordsetSearches[] = $aSearch; - } - } - - if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase) - { - $aSearch = $aCurrentSearch; - $aSearch['iSearchRank'] += 1; - if (!sizeof($aCurrentSearch['aName'])) $aSearch['iSearchRank'] += 1; - if (preg_match('#^[0-9]+$#', $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('
',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); - - } - return $aGroupedSearches; - - } - - /* Perform the actual query lookup. - - Returns an ordered list of results, each with the following fields: - osm_type: type of corresponding OSM object - N - node - W - way - R - relation - P - postcode (internally computed) - osm_id: id of corresponding OSM object - class: general object class (corresponds to tag key of primary OSM tag) - type: subclass of object (corresponds to tag value of primary OSM tag) - admin_level: see http://wiki.openstreetmap.org/wiki/Admin_level - rank_search: rank in search hierarchy - (see also http://wiki.openstreetmap.org/wiki/Nominatim/Development_overview#Country_to_street_level) - rank_address: rank in address hierarchy (determines orer in address) - place_id: internal key (may differ between different instances) - country_code: ISO country code - langaddress: localized full address - placename: localized name of object - ref: content of ref tag (if available) - lon: longitude - lat: latitude - importance: importance of place based on Wikipedia link count - addressimportance: cumulated importance of address elements - extra_place: type of place (for admin boundaries, if there is a place tag) - aBoundingBox: bounding Box - label: short description of the object class/type (English only) - name: full name (currently the same as langaddress) - foundorder: secondary ordering for places with same importance - */ - function lookup() - { - if (!$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 ( $aLooksLike = looksLikeLatLonPair($sQuery) ){ - $this->setNearPoint(array($aLooksLike['lat'], $aLooksLike['lon'])); - $sQuery = $aLooksLike['query']; - } - - $aSearchResults = array(); - if ($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); - $aSpecialTerms = array(); - if (isset($this->aStructuredQuery['amenity']) && $this->aStructuredQuery['amenity']) - { - $aSpecialTermsRaw[] = array('['.$this->aStructuredQuery['amenity'].']', $this->aStructuredQuery['amenity']); - unset($this->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 && $aToken['country_code'] && !empty($this->aStructuredQuery['country']) - && strlen($this->aStructuredQuery['country']) == 2 && strtolower($this->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(); - - $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhraseTypes, $aPhrases, $aValidTokens, $aWordFrequencyScores, $bStructuredPhrases); - - if ($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); - $aPhrases[0]['wordsets'] = getInverseWordSets($aPhrases[0]['words'], 0); - if (sizeof($aPhrases) > 1) - { - $aFinalPhrase = end($aPhrases); - $aPhrases[sizeof($aPhrases)-1]['wordsets'] = getInverseWordSets($aFinalPhrase['words'], 0); - } - $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, null, $aPhrases, $aValidTokens, $aWordFrequencyScores, false); - - foreach($aGroupedSearches as $aSearches) - { - foreach($aSearches as $aSearch) - { - if ($aSearch['iSearchRank'] < $this->iMaxRank) - { - if (!isset($aReverseGroupedSearches[$aSearch['iSearchRank']])) $aReverseGroupedSearches[$aSearch['iSearchRank']] = array(); - $aReverseGroupedSearches[$aSearch['iSearchRank']][] = $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['iSearchRank'] < $this->iMaxRank) - { - if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array(); - $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch; - } - } - ksort($aGroupedSearches); - } - - if (CONST_Debug) var_Dump($aGroupedSearches); - - if (CONST_Search_TryDroppedAddressTerms && sizeof($this->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 "
Search Loop, group $iGroupLoop, loop $iQueryLoop"; } - if (CONST_Debug) _debugDumpGroupedSearches(array($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)"; - if ($bBoundingBoxSearch) - $sSQL .= " and _st_intersects($this->sViewboxSmallSQL, geometry)"; - $sSQL .= " order by st_area(geometry) desc limit 1"; - if (CONST_Debug) var_dump($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(); - $aOrder = array(); - - if ($aSearch['sHouseNumber'] && sizeof($aSearch['aAddress'])) - { - $sHouseNumberRegex = '\\\\m'.$aSearch['sHouseNumber'].'\\\\M'; - $aOrder[] = "exists(select place_id from placex where parent_place_id = search_name.place_id and transliteration(housenumber) ~* E'".$sHouseNumberRegex."' limit 1) desc"; - } - - // 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']) - $sSQL .= " limit 20"; - elseif (!sizeof($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, $aPlaceIDs); - } - - if (CONST_Debug) { echo "
Place IDs: "; var_Dump($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 (!preg_match('/\pL/', $sWord)) unset($aRecheckWords[$i]); - } - - if (CONST_Debug) { echo 'Recheck words:<\i>'; var_dump($aRecheckWords); } - - foreach($aSearchResults as $iResNum => $aResult) - { - // 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']]['defdiameter']; - } - elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter']) - && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter']) - { - $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter']; - } - $fRadius = $fDiameter / 2; - - 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_YMin(geometry) as minlat,ST_YMax(geometry) as maxlat,"; - $sSQL .= "ST_XMin(geometry) as minlon,ST_XMax(geometry) as maxlon"; - if ($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"; - $sFrom = " from placex where place_id = ".$aResult['place_id']; - if ($this->fPolygonSimplificationThreshold > 0) - { - $sSQL .= " from (select place_id,centroid,ST_SimplifyPreserveTopology(geometry,".$this->fPolygonSimplificationThreshold.") as geometry".$sFrom.") as plx"; - } - else - { - $sSQL .= $sFrom; - } - - $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) - { - $aPolyPoints[] = geometryText2Points($aPointPolygon['astext'],$fRadius); - - // Output data suitable for display (points and a bounding box) - if (isset($aPolyPoints)) - { - $aResult['aPolyPoints'] = array(); - foreach($aPolyPoints as $aPoint) - { - $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]); - } - } - } - - if (abs($aPointPolygon['minlat'] - $aPointPolygon['maxlat']) < 0.0000001) - { - $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius; - $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius; - } - if (abs($aPointPolygon['minlon'] - $aPointPolygon['maxlon']) < 0.0000001) - { - $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius; - $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius; - } - $aResult['aBoundingBox'] = array((string)$aPointPolygon['minlat'],(string)$aPointPolygon['maxlat'],(string)$aPointPolygon['minlon'],(string)$aPointPolygon['maxlon']); - } - } - - if ($aResult['extra_place'] == 'city') - { - $aResult['class'] = 'place'; - $aResult['type'] = 'city'; - $aResult['rank_search'] = 16; - } - - if (!isset($aResult['aBoundingBox'])) - { - $iSteps = max(8,min(100,$fRadius * 3.14 * 100000)); - $fStepSize = (2*pi())/$iSteps; - $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) - { - $aPolyPoints = array(); - for($f = 0; $f < 2*pi(); $f += $fStepSize) - { - $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f))); - } - $aResult['aPolyPoints'] = array(); - foreach($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']))), $aResult['address']); - } - } - - if ($this->bIncludeExtraTags) - { - if ($aResult['extra']) - { - $aResult['sExtraTags'] = json_decode($aResult['extra']); - } - else - { - $aResult['sExtraTags'] = (object) array(); - } - } - - if ($this->bIncludeNameDetails) - { - if ($aResult['names']) - { - $aResult['sNameDetails'] = json_decode($aResult['names']); - } - else - { - $aResult['sNameDetails'] = (object) array(); - } - } - - // 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) - { - $iCountWords++; - if (preg_match("/(^|,)\s*".preg_quote($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 - - $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'] += 0.0001 * $aClassType[$aResult['class'].':'.$aResult['type']]['importance']; - } - else - { - $aResult['foundorder'] += 0.01; - } - if (CONST_Debug) { var_dump($aResult); } - $aSearchResults[$iResNum] = $aResult; - } - uasort($aSearchResults, 'byImportance'); - - $aOSMIDDone = array(); - $aClassTypeNameDone = array(); - $aToFilter = $aSearchResults; - $aSearchResults = array(); - - $bFirst = true; - foreach($aToFilter as $iResNum => $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->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 "
$sToken"; + $aNewWordsetSearches = array(); + + foreach ($aWordsetSearches as $oCurrentSearch) { + //echo ""; + //var_dump($oCurrentSearch); + //echo ""; + + // 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('
',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)) { + $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