+ public function getId()
+ {
+ return $this->iId;
+ }
+
+ /**
+ * Check if the token can be added to the given search.
+ * Derive new searches by adding this token to an existing search.
+ *
+ * @param object $oSearch Partial search description derived so far.
+ * @param object $oPosition Description of the token position within
+ the query.
+ *
+ * @return True if the token is compatible with the search configuration
+ * given the position.
+ */
+ public function isExtendable($oSearch, $oPosition)
+ {
+ return !$oSearch->hasOperator()
+ && $oPosition->isPhrase('')
+ && ($this->iOperator != \Nominatim\Operator::NONE
+ || (!$oSearch->hasAddress() && !$oSearch->hasHousenumber() && !$oSearch->hasCountry()));
+ }
+
+ /**
+ * Derive new searches by adding this token to an existing search.
+ *
+ * @param object $oSearch Partial search description derived so far.
+ * @param object $oPosition Description of the token position within
+ the query.
+ *
+ * @return SearchDescription[] List of derived search descriptions.
+ */
+ public function extendSearch($oSearch, $oPosition)
+ {
+ $iSearchCost = 0;
+
+ $iOp = $this->iOperator;
+ if ($iOp == \Nominatim\Operator::NONE) {
+ if ($oPosition->isFirstToken()
+ || $oSearch->hasName()
+ || $oSearch->getContext()->isBoundedSearch()
+ ) {
+ $iOp = \Nominatim\Operator::NAME;
+ $iSearchCost += 3;
+ } else {
+ $iOp = \Nominatim\Operator::NEAR;
+ $iSearchCost += 4;
+ if (!$oPosition->isFirstToken()) {
+ $iSearchCost += 3;
+ }
+ }
+ } elseif ($oPosition->isFirstToken()) {
+ $iSearchCost += 2;
+ } elseif ($oPosition->isLastToken()) {
+ $iSearchCost += 4;
+ } else {
+ $iSearchCost += 6;
+ }
+
+ if ($oSearch->hasHousenumber()) {
+ $iSearchCost ++;
+ }
+
+ $oNewSearch = $oSearch->clone($iSearchCost);
+ $oNewSearch->setPoiSearch($iOp, $this->sClass, $this->sType);
+
+ return array($oNewSearch);
+ }
+
+