osm-search/Nominatim
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Merge pull request #2373 from lonvia/tweak-search-cost

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Further tweaking of search cost
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Sarah Hoffmann 2021-06-26 16:21:08 +02:00 committed by GitHub
commit c9984669a7
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2 changed files with 19 additions and 20 deletions
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2
lib-php/Geocode.php
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@ -348,8 +348,6 @@ class Geocode
foreach ($oValidTokens->get(' '.$sToken) as $oSearchTerm) {
$aNewSearches = $oCurrentSearch->extendWithFullTerm(
$oSearchTerm,
$oValidTokens->contains($sToken)
&& strpos($sToken, ' ') === false,
$sPhraseType,
$iToken == 0 && $iPhrase == 0,
$iPhrase == 0,

37
lib-php/SearchDescription.php
View File

@ -153,8 +153,6 @@ class SearchDescription
* Derive new searches by adding a full term to the existing search.
*
* @param object $oSearchTerm Description of the token.
* @param bool $bHasPartial True if there are also tokens of partial terms
* with the same name.
* @param string $sPhraseType Type of phrase the token is contained in.
* @param bool $bFirstToken True if the token is at the beginning of the
* query.
@ -164,7 +162,7 @@ class SearchDescription
*
* @return SearchDescription[] List of derived search descriptions.
*/
public function extendWithFullTerm($oSearchTerm, $bHasPartial, $sPhraseType, $bFirstToken, $bFirstPhrase, $bLastToken)
public function extendWithFullTerm($oSearchTerm, $sPhraseType, $bFirstToken, $bFirstPhrase, $bLastToken)
{
$aNewSearches = array();
@ -218,30 +216,33 @@ class SearchDescription
&& is_a($oSearchTerm, '\Nominatim\Token\HouseNumber')
) {
if (!$this->sHouseNumber && $this->iOperator != Operator::POSTCODE) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->iNamePhrase = -1;
$oSearch->sHouseNumber = $oSearchTerm->sToken;
if ($this->iOperator != Operator::NONE) {
$oSearch->iSearchRank++;
}
// sanity check: if the housenumber is not mainly made
// up of numbers, add a penalty
if (preg_match('/\\d/', $oSearch->sHouseNumber) === 0
|| preg_match_all('/[^0-9]/', $oSearch->sHouseNumber, $aMatches) > 2) {
$oSearch->iSearchRank++;
$iSearchCost = 1;
if (preg_match('/\\d/', $oSearchTerm->sToken) === 0
|| preg_match_all('/[^0-9]/', $oSearchTerm->sToken, $aMatches) > 2) {
$iSearchCost++;
}
if ($this->iOperator != Operator::NONE) {
$iSearchCost++;
}
if (empty($oSearchTerm->iId)) {
$oSearch->iSearchRank++;
$iSearchCost++;
}
// also must not appear in the middle of the address
if (!empty($this->aAddress)
|| (!empty($this->aAddressNonSearch))
|| $this->sPostcode
) {
$oSearch->iSearchRank++;
$iSearchCost++;
}
$oSearch = clone $this;
$oSearch->iSearchRank += $iSearchCost;
$oSearch->iNamePhrase = -1;
$oSearch->sHouseNumber = $oSearchTerm->sToken;
$aNewSearches[] = $oSearch;
// Housenumbers may appear in the name when the place has its own
// address terms.
if ($oSearchTerm->iId !== null
@ -249,7 +250,7 @@ class SearchDescription
&& empty($this->aAddress)
) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->iSearchRank += $iSearchCost;
$oSearch->aAddress = $this->aName;
$oSearch->bRareName = false;
$oSearch->aName = array($oSearchTerm->iId => $oSearchTerm->iId);
@ -295,10 +296,10 @@ class SearchDescription
// the first phrase. In unstructured search it may be in a later
// phrase when the first phrase is a house number.
if (!empty($this->aName) || !($bFirstPhrase || $sPhraseType == '')) {
if (($sPhraseType == '' || !$bFirstPhrase) && !$bHasPartial) {
if (($sPhraseType == '' || !$bFirstPhrase) && $oSearchTerm->iTermCount > 1) {
$oSearch = clone $this;
$oSearch->iNamePhrase = -1;
$oSearch->iSearchRank += 3 * $oSearchTerm->iTermCount;
$oSearch->iSearchRank += 1;
$oSearch->aAddress[$iWordID] = $iWordID;
$aNewSearches[] = $oSearch;
}