<?php
+/**
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This file is part of Nominatim. (https://nominatim.org)
+ *
+ * Copyright (C) 2022 by the Nominatim developer community.
+ * For a full list of authors see the git log.
+ */
namespace Nominatim;
require_once(CONST_LibDir.'/ReverseGeocode.php');
require_once(CONST_LibDir.'/SearchDescription.php');
require_once(CONST_LibDir.'/SearchContext.php');
+require_once(CONST_LibDir.'/SearchPosition.php');
require_once(CONST_LibDir.'/TokenList.php');
+require_once(CONST_TokenizerDir.'/tokenizer.php');
class Geocode
{
protected $oDB;
protected $oPlaceLookup;
+ protected $oTokenizer;
protected $aLangPrefOrder = array();
protected $aExcludePlaceIDs = array();
- protected $bReverseInPlan = true;
protected $iLimit = 20;
protected $iFinalLimit = 10;
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;
+ $this->oTokenizer = new \Nominatim\Tokenizer($this->oDB);
}
public function setLanguagePreference($aLangPref)
$aParams['exclude_place_ids'] = implode(',', $this->aExcludePlaceIDs);
}
- if ($this->bBoundedSearch) $aParams['bounded'] = '1';
+ if ($this->bBoundedSearch) {
+ $aParams['bounded'] = '1';
+ }
if ($this->aCountryCodes) {
$aParams['countrycodes'] = implode(',', $this->aCountryCodes);
public function setLimit($iLimit = 10)
{
- if ($iLimit > 50) $iLimit = 50;
- if ($iLimit < 1) $iLimit = 1;
+ if ($iLimit > 50) {
+ $iLimit = 50;
+ } elseif ($iLimit < 1) {
+ $iLimit = 1;
+ }
$this->iFinalLimit = $iLimit;
$this->iLimit = $iLimit + min($iLimit, 10);
if ($sExcluded) {
foreach ($sExcluded as $iExcludedPlaceID) {
$iExcludedPlaceID = (int)$iExcludedPlaceID;
- if ($iExcludedPlaceID)
+ if ($iExcludedPlaceID) {
$aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
+ }
}
- if (isset($aExcludePlaceIDs))
+ 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);
+ if (!$sFeatureType) {
+ $sFeatureType = $oParams->getString('featuretype');
+ }
+ if ($sFeatureType) {
+ $this->setFeatureType($sFeatureType);
+ }
// Country code list
$sCountries = $oParams->getStringList('countrycodes');
$aCountries[] = strtolower($sCountryCode);
}
}
- if (isset($aCountries))
+ if (isset($aCountries)) {
$this->aCountryCodes = $aCountries;
+ }
}
$aViewbox = $oParams->getStringList('viewboxlbrt');
$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 (!$sValue) return false;
+ if (!$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, $aItemListValues);
+ if ($aItemListValues) {
+ $this->aAddressRankList = array_merge($this->aAddressRankList, $aItemListValues);
+ }
return true;
}
public function fallbackStructuredQuery()
{
- if (!$this->aStructuredQuery) return false;
-
$aParams = $this->aStructuredQuery;
- if (count($aParams) == 1) return false;
+ if (!$aParams || count($aParams) == 1) {
+ return false;
+ }
$aOrderToFallback = array('postalcode', 'street', 'city', 'county', 'state');
return false;
}
- public function getGroupedSearches($aSearches, $aPhrases, $oValidTokens, $bIsStructured)
+ public function getGroupedSearches($aSearches, $aPhrases, $oValidTokens)
{
/*
Calculate all searches using oValidTokens i.e.
*/
foreach ($aPhrases as $iPhrase => $oPhrase) {
$aNewPhraseSearches = array();
- $sPhraseType = $bIsStructured ? $oPhrase->getPhraseType() : '';
+ $oPosition = new SearchPosition(
+ $oPhrase->getPhraseType(),
+ $iPhrase,
+ count($aPhrases)
+ );
foreach ($oPhrase->getWordSets() as $aWordset) {
$aWordsetSearches = $aSearches;
// Add all words from this wordset
foreach ($aWordset as $iToken => $sToken) {
- //echo "<br><b>$sToken</b>";
$aNewWordsetSearches = array();
+ $oPosition->setTokenPosition($iToken, count($aWordset));
foreach ($aWordsetSearches as $oCurrentSearch) {
- //echo "<i>";
- //var_dump($oCurrentSearch);
- //echo "</i>";
-
- // Tokens with full name matches.
- foreach ($oValidTokens->get(' '.$sToken) as $oSearchTerm) {
- $aNewSearches = $oCurrentSearch->extendWithFullTerm(
- $oSearchTerm,
- $oValidTokens->contains($sToken)
- && strpos($sToken, ' ') === false,
- $sPhraseType,
- $iToken == 0 && $iPhrase == 0,
- $iPhrase == 0,
- $iToken + 1 == count($aWordset)
- && $iPhrase + 1 == count($aPhrases)
- );
-
- foreach ($aNewSearches as $oSearch) {
- if ($oSearch->getRank() < $this->iMaxRank) {
- $aNewWordsetSearches[] = $oSearch;
- }
- }
- }
- // Look for partial matches.
- // Note that there is no point in adding country terms here
- // because country is omitted in the address.
- if ($sPhraseType != 'country') {
- // Allow searching for a word - but at extra cost
- foreach ($oValidTokens->get($sToken) as $oSearchTerm) {
- $aNewSearches = $oCurrentSearch->extendWithPartialTerm(
- $sToken,
- $oSearchTerm,
- $bIsStructured,
- $iPhrase,
- $oValidTokens->get(' '.$sToken)
+ foreach ($oValidTokens->get($sToken) as $oSearchTerm) {
+ if ($oSearchTerm->isExtendable($oCurrentSearch, $oPosition)) {
+ $aNewSearches = $oSearchTerm->extendSearch(
+ $oCurrentSearch,
+ $oPosition
);
foreach ($aNewSearches as $oSearch) {
usort($aNewWordsetSearches, array('Nominatim\SearchDescription', 'bySearchRank'));
$aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
}
- //var_Dump('<hr>',count($aWordsetSearches)); exit;
$aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
usort($aNewPhraseSearches, array('Nominatim\SearchDescription', 'bySearchRank'));
$aSearchHash = array();
foreach ($aNewPhraseSearches as $iSearch => $aSearch) {
$sHash = serialize($aSearch);
- if (isset($aSearchHash[$sHash])) unset($aNewPhraseSearches[$iSearch]);
- else $aSearchHash[$sHash] = 1;
+ if (isset($aSearchHash[$sHash])) {
+ unset($aNewPhraseSearches[$iSearch]);
+ } else {
+ $aSearchHash[$sHash] = 1;
+ }
}
$aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
$iSearchCount = 0;
$aSearches = array();
- foreach ($aGroupedSearches as $iScore => $aNewSearches) {
+ foreach ($aGroupedSearches as $aNewSearches) {
$iSearchCount += count($aNewSearches);
$aSearches = array_merge($aSearches, $aNewSearches);
- if ($iSearchCount > 50) break;
+ if ($iSearchCount > 50) {
+ break;
+ }
}
}
public function lookup()
{
Debug::newFunction('Geocode::lookup');
- if (!$this->sQuery && !$this->aStructuredQuery) return array();
+ if (!$this->sQuery && !$this->aStructuredQuery) {
+ return array();
+ }
Debug::printDebugArray('Geocode', $this);
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 ($sSpecialTerm && !$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;
+ $aTokens = $this->oTokenizer->tokensForSpecialTerm($sSpecialTerm);
+
+ if (!empty($aTokens)) {
+ $aNewSearches = array();
+ $oPosition = new SearchPosition('', 0, 1);
+ $oPosition->setTokenPosition(0, 1);
+
+ foreach ($aSearches as $oSearch) {
+ foreach ($aTokens as $oToken) {
+ $aNewSearches = array_merge(
+ $aNewSearches,
+ $oToken->extendSearch($oSearch, $oPosition)
+ );
+ }
}
+ $aSearches = $aNewSearches;
}
- $aSearches = $aNewSearches;
}
// Split query into phrases
// Commas are used to reduce the search space by indicating where phrases split
+ $aPhrases = array();
if ($this->aStructuredQuery) {
- $aInPhrases = $this->aStructuredQuery;
- $bStructuredPhrases = true;
+ foreach ($this->aStructuredQuery as $iPhrase => $sPhrase) {
+ $aPhrases[] = new Phrase($sPhrase, $iPhrase);
+ }
} else {
- $aInPhrases = explode(',', $sQuery);
- $bStructuredPhrases = false;
+ foreach (explode(',', $sQuery) as $sPhrase) {
+ $aPhrases[] = new Phrase($sPhrase, '');
+ }
}
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
- );
+ $oValidTokens = $this->oTokenizer->extractTokensFromPhrases($aPhrases);
+ if ($oValidTokens->count() > 0) {
$oCtx->setFullNameWords($oValidTokens->getFullWordIDs());
- // 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))
- );
- }
- }
- }
+ $aPhrases = array_filter($aPhrases, function ($oPhrase) {
+ return $oPhrase->getWordSets() !== null;
+ });
// 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);
+ $aGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $oValidTokens);
- if ($this->bReverseInPlan) {
+ if (!$this->aStructuredQuery) {
// Reverse phrase array and also reverse the order of the wordsets in
// the first and final phrase. Don't bother about phrases in the middle
// because order in the address doesn't matter.
if (count($aPhrases) > 1) {
$aPhrases[count($aPhrases)-1]->invertWordSets();
}
- $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $oValidTokens, false);
+ $aReverseGroupedSearches = $this->getGroupedSearches($aSearches, $aPhrases, $oValidTokens);
- foreach ($aGroupedSearches as $aSearches) {
+ foreach ($aReverseGroupedSearches as $aSearches) {
foreach ($aSearches as $aSearch) {
- if (!isset($aReverseGroupedSearches[$aSearch->getRank()])) {
- $aReverseGroupedSearches[$aSearch->getRank()] = array();
+ if (!isset($aGroupedSearches[$aSearch->getRank()])) {
+ $aGroupedSearches[$aSearch->getRank()] = array();
}
- $aReverseGroupedSearches[$aSearch->getRank()][] = $aSearch;
+ $aGroupedSearches[$aSearch->getRank()][] = $aSearch;
}
}
- $aGroupedSearches = $aReverseGroupedSearches;
ksort($aGroupedSearches);
}
} else {
$aGroupedSearches = array();
foreach ($aSearches as $aSearch) {
if ($aSearch->getRank() < $this->iMaxRank) {
- if (!isset($aGroupedSearches[$aSearch->getRank()])) $aGroupedSearches[$aSearch->getRank()] = array();
+ if (!isset($aGroupedSearches[$aSearch->getRank()])) {
+ $aGroupedSearches[$aSearch->getRank()] = array();
+ }
$aGroupedSearches[$aSearch->getRank()][] = $aSearch;
}
}
$sHash = serialize($aSearch);
if (isset($aSearchHash[$sHash])) {
unset($aGroupedSearches[$iGroup][$iSearch]);
- if (empty($aGroupedSearches[$iGroup])) unset($aGroupedSearches[$iGroup]);
+ if (empty($aGroupedSearches[$iGroup])) {
+ unset($aGroupedSearches[$iGroup]);
+ }
} else {
$aSearchHash[$sHash] = 1;
}
}
}
- if ($iQueryLoop > 20) break;
+ if ($iQueryLoop > 20) {
+ break;
+ }
}
if (!empty($aResults)) {
foreach ($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)
) {
$aResults = $tempIDs;
}
- if (!empty($aResults)) break;
- if ($iGroupLoop > 4) break;
- if ($iQueryLoop > 30) break;
+ if (!empty($aResults) || $iGroupLoop > 4 || $iQueryLoop > 30) {
+ break;
+ }
}
} else {
// Just interpret as a reverse geocode
// No results? Done
if (empty($aResults)) {
- if ($this->bFallback) {
- if ($this->fallbackStructuredQuery()) {
- return $this->lookup();
- }
+ if ($this->bFallback && $this->fallbackStructuredQuery()) {
+ return $this->lookup();
}
return array();
$aRecheckWords = preg_split('/\b[\s,\\-]*/u', $sQuery);
foreach ($aRecheckWords as $i => $sWord) {
- if (!preg_match('/[\pL\pN]/', $sWord)) unset($aRecheckWords[$i]);
+ if (!preg_match('/[\pL\pN]/', $sWord)) {
+ unset($aRecheckWords[$i]);
+ }
}
Debug::printVar('Recheck words', $aRecheckWords);
foreach ($aRecheckWords as $i => $sWord) {
if (stripos($sAddress, $sWord)!==false) {
$iCountWords++;
- if (preg_match('/(^|,)\s*'.preg_quote($sWord, '/').'\s*(,|$)/', $sAddress)) $iCountWords += 0.1;
+ if (preg_match('/(^|,)\s*'.preg_quote($sWord, '/').'\s*(,|$)/', $sAddress)) {
+ $iCountWords += 0.1;
+ }
}
}
$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'].$aResult['admin_level']]))
) {
}
// Absolute limit on number of results
- if (count($aSearchResults) >= $this->iFinalLimit) break;
+ if (count($aSearchResults) >= $this->iFinalLimit) {
+ break;
+ }
}
Debug::printVar('Post-filter results', $aSearchResults);
'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),
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