mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-11-23 13:44:36 +03:00
135 lines
3.6 KiB
PHP
135 lines
3.6 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;
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require_once(CONST_LibDir.'/TokenCountry.php');
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require_once(CONST_LibDir.'/TokenHousenumber.php');
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require_once(CONST_LibDir.'/TokenPostcode.php');
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require_once(CONST_LibDir.'/TokenSpecialTerm.php');
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require_once(CONST_LibDir.'/TokenWord.php');
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require_once(CONST_LibDir.'/TokenPartial.php');
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require_once(CONST_LibDir.'/SpecialSearchOperator.php');
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/**
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* Saves information about the tokens that appear in a search query.
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*
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* Tokens are sorted by their normalized form, the token word. There are different
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* kinds of tokens, represented by different Token* classes. Note that
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* tokens do not have a common base class. All tokens need to have a field
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* with the word id that points to an entry in the `word` database table
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* but otherwise the information saved about a token can be very different.
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*/
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class TokenList
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{
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// List of list of tokens indexed by their word_token.
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private $aTokens = array();
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/**
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* Return total number of tokens.
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*
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* @return Integer
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*/
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public function count()
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{
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return count($this->aTokens);
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}
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/**
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* Check if there are tokens for the given token word.
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*
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* @param string $sWord Token word to look for.
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*
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* @return bool True if there is one or more token for the token word.
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*/
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public function contains($sWord)
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{
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return isset($this->aTokens[$sWord]);
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}
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/**
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* Check if there are partial or full tokens for the given word.
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*
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* @param string $sWord Token word to look for.
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*
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* @return bool True if there is one or more token for the token word.
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*/
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public function containsAny($sWord)
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{
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return isset($this->aTokens[$sWord]);
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}
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/**
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* Get the list of tokens for the given token word.
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*
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* @param string $sWord Token word to look for.
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*
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* @return object[] Array of tokens for the given token word or an
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* empty array if no tokens could be found.
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*/
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public function get($sWord)
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{
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return isset($this->aTokens[$sWord]) ? $this->aTokens[$sWord] : array();
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}
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public function getFullWordIDs()
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{
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$ids = array();
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foreach ($this->aTokens as $aTokenList) {
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foreach ($aTokenList as $oToken) {
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if (is_a($oToken, '\Nominatim\Token\Word')) {
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$ids[$oToken->getId()] = $oToken->getId();
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}
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}
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}
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return $ids;
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}
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/**
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* Add a new token for the given word.
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*
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* @param string $sWord Word the token describes.
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* @param object $oToken Token object to add.
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*
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* @return void
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*/
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public function addToken($sWord, $oToken)
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{
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if (isset($this->aTokens[$sWord])) {
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$this->aTokens[$sWord][] = $oToken;
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} else {
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$this->aTokens[$sWord] = array($oToken);
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}
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}
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public function debugTokenByWordIdList()
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{
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$aWordsIDs = array();
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foreach ($this->aTokens as $sToken => $aWords) {
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foreach ($aWords as $aToken) {
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$iId = $aToken->getId();
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if ($iId !== null) {
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$aWordsIDs[$iId] = '#'.$sToken.'('.$aToken->debugCode().' '.$iId.')#';
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}
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}
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}
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return $aWordsIDs;
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}
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public function debugInfo()
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{
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return $this->aTokens;
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}
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}
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