mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-09-11 19:17:17 +03:00
117 lines
3.3 KiB
PHP
117 lines
3.3 KiB
PHP
<?php
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/**
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* SPDX-License-Identifier: GPL-2.0-only
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*
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* This file is part of Nominatim. (https://nominatim.org)
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*
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* Copyright (C) 2022 by the Nominatim developer community.
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* For a full list of authors see the git log.
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*/
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namespace Nominatim\Token;
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/**
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* A house number token.
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*/
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class HouseNumber
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{
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/// Database word id, if available.
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private $iId;
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/// Normalized house number.
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private $sToken;
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public function __construct($iId, $sToken)
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{
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$this->iId = $iId;
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$this->sToken = $sToken;
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}
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public function getId()
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{
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return $this->iId;
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}
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/**
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* Check if the token can be added to the given search.
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* Derive new searches by adding this token to an existing search.
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*
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* @param object $oSearch Partial search description derived so far.
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* @param object $oPosition Description of the token position within
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the query.
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*
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* @return True if the token is compatible with the search configuration
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* given the position.
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*/
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public function isExtendable($oSearch, $oPosition)
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{
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return !$oSearch->hasHousenumber()
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&& !$oSearch->hasOperator(\Nominatim\Operator::POSTCODE)
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&& $oPosition->maybePhrase('street');
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}
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/**
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* Derive new searches by adding this token to an existing search.
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*
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* @param object $oSearch Partial search description derived so far.
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* @param object $oPosition Description of the token position within
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the query.
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*
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* @return SearchDescription[] List of derived search descriptions.
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*/
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public function extendSearch($oSearch, $oPosition)
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{
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$aNewSearches = array();
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// sanity check: if the housenumber is not mainly made
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// up of numbers, add a penalty
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$iSearchCost = 1;
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if (preg_match('/\\d/', $this->sToken) === 0
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|| preg_match_all('/[^0-9 ]/', $this->sToken, $aMatches) > 3) {
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$iSearchCost += strlen($this->sToken) - 1;
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}
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if (!$oSearch->hasOperator(\Nominatim\Operator::NONE)) {
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$iSearchCost++;
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}
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if (empty($this->iId)) {
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$iSearchCost++;
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}
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// also must not appear in the middle of the address
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if ($oSearch->hasAddress() || $oSearch->hasPostcode()) {
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$iSearchCost++;
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}
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$oNewSearch = $oSearch->clone($iSearchCost);
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$oNewSearch->setHousenumber($this->sToken);
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$aNewSearches[] = $oNewSearch;
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// Housenumbers may appear in the name when the place has its own
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// address terms.
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if ($this->iId !== null
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&& ($oSearch->getNamePhrase() >= 0 || !$oSearch->hasName())
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&& !$oSearch->hasAddress()
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) {
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$oNewSearch = $oSearch->clone($iSearchCost);
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$oNewSearch->setHousenumberAsName($this->iId);
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$aNewSearches[] = $oNewSearch;
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}
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return $aNewSearches;
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}
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public function debugInfo()
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{
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return array(
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'ID' => $this->iId,
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'Type' => 'house number',
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'Info' => array('nr' => $this->sToken)
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);
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}
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public function debugCode()
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{
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return 'H';
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}
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}
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