mirror of
https://github.com/osm-search/Nominatim.git
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96 lines
2.1 KiB
PHP
96 lines
2.1 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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/**
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* Description of the position of a token within a query.
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*/
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class SearchPosition
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{
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private $sPhraseType;
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private $iPhrase;
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private $iNumPhrases;
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private $iToken;
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private $iNumTokens;
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public function __construct($sPhraseType, $iPhrase, $iNumPhrases)
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{
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$this->sPhraseType = $sPhraseType;
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$this->iPhrase = $iPhrase;
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$this->iNumPhrases = $iNumPhrases;
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}
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public function setTokenPosition($iToken, $iNumTokens)
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{
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$this->iToken = $iToken;
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$this->iNumTokens = $iNumTokens;
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}
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/**
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* Check if the phrase can be of the given type.
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*
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* @param string $sType Type of phrse requested.
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*
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* @return True if the phrase is untyped or of the given type.
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*/
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public function maybePhrase($sType)
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{
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return $this->sPhraseType == '' || $this->sPhraseType == $sType;
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}
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/**
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* Check if the phrase is exactly of the given type.
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*
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* @param string $sType Type of phrse requested.
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*
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* @return True if the phrase of the given type.
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*/
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public function isPhrase($sType)
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{
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return $this->sPhraseType == $sType;
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}
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/**
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* Return true if the token is the very first in the query.
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*/
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public function isFirstToken()
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{
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return $this->iPhrase == 0 && $this->iToken == 0;
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}
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/**
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* Check if the token is the final one in the query.
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*/
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public function isLastToken()
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{
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return $this->iToken + 1 == $this->iNumTokens && $this->iPhrase + 1 == $this->iNumPhrases;
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}
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/**
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* Check if the current token is part of the first phrase in the query.
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*/
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public function isFirstPhrase()
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{
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return $this->iPhrase == 0;
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}
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/**
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* Get the phrase position in the query.
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*/
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public function getPhrase()
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{
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return $this->iPhrase;
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}
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}
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