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introduce classes for token list and token types

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This commit is contained in:
Sarah Hoffmann
2018-05-14 23:04:15 +02:00
parent 2cc4c73b64
commit f29c7bf910
11 changed files with 436 additions and 154 deletions
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102
lib/SearchDescription.php
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@@ -166,30 +166,29 @@ class SearchDescription
/**
* Derive new searches by adding a full term to the existing search.
*
* @param mixed[] $aSearchTerm 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.
* @param bool $bFirstPhrase True if the token is in the first phrase of
* the query.
* @param bool $bLastToken True if the token is at the end of the query.
* @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.
* @param bool $bFirstPhrase True if the token is in the first phrase of
* the query.
* @param bool $bLastToken True if the token is at the end of the query.
*
* @return SearchDescription[] List of derived search descriptions.
*/
public function extendWithFullTerm($aSearchTerm, $bHasPartial, $sPhraseType, $bFirstToken, $bFirstPhrase, $bLastToken)
public function extendWithFullTerm($oSearchTerm, $bHasPartial, $sPhraseType, $bFirstToken, $bFirstPhrase, $bLastToken)
{
$aNewSearches = array();
if (($sPhraseType == '' || $sPhraseType == 'country')
&& !empty($aSearchTerm['country_code'])
&& $aSearchTerm['country_code'] != '0'
&& is_a($oSearchTerm, '\Nominatim\Token\Country')
) {
if (!$this->sCountryCode) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->sCountryCode = $aSearchTerm['country_code'];
$oSearch->sCountryCode = $oSearchTerm->sCountryCode;
// Country is almost always at the end of the string
// - increase score for finding it anywhere else (optimisation)
if (!$bLastToken) {
@@ -198,15 +197,12 @@ class SearchDescription
$aNewSearches[] = $oSearch;
}
} elseif (($sPhraseType == '' || $sPhraseType == 'postalcode')
&& $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'postcode'
&& is_a($oSearchTerm, '\Nominatim\Token\Postcode')
) {
// We need to try the case where the postal code is the primary element
// (i.e. no way to tell if it is (postalcode, city) OR (city, postalcode)
// so try both.
if (!$this->sPostcode
&& $aSearchTerm['word']
&& pg_escape_string($aSearchTerm['word']) == $aSearchTerm['word']
) {
if (!$this->sPostcode) {
// If we have structured search or this is the first term,
// make the postcode the primary search element.
if ($this->iOperator == Operator::NONE
@@ -217,7 +213,7 @@ class SearchDescription
$oSearch->iOperator = Operator::POSTCODE;
$oSearch->aAddress = array_merge($this->aAddress, $this->aName);
$oSearch->aName =
array($aSearchTerm['word_id'] => $aSearchTerm['word']);
array($oSearchTerm->iId => $oSearchTerm->sPostcode);
$aNewSearches[] = $oSearch;
}
@@ -228,23 +224,23 @@ class SearchDescription
) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->sPostcode = $aSearchTerm['word'];
$oSearch->sPostcode = $oSearchTerm->sPostcode;
$aNewSearches[] = $oSearch;
}
}
} elseif (($sPhraseType == '' || $sPhraseType == 'street')
&& $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house'
&& is_a($oSearchTerm, '\Nominatim\Token\HouseNumber')
) {
if (!$this->sHouseNumber && $this->iOperator != Operator::POSTCODE) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->sHouseNumber = trim($aSearchTerm['word_token']);
$oSearch->sHouseNumber = $oSearchTerm->sToken;
// sanity check: if the housenumber is not mainly made
// up of numbers, add a penalty
if (preg_match_all('/[^0-9]/', $oSearch->sHouseNumber, $aMatches) > 2) {
$oSearch->iSearchRank++;
}
if (!isset($aSearchTerm['word_id'])) {
if (empty($oSearchTerm->iId)) {
$oSearch->iSearchRank++;
}
// also must not appear in the middle of the address
@@ -256,27 +252,34 @@ class SearchDescription
}
$aNewSearches[] = $oSearch;
}
} elseif ($sPhraseType == '' && $aSearchTerm['class']) {
} elseif ($sPhraseType == ''
&& is_a($oSearchTerm, '\Nominatim\Token\SpecialTerm')
) {
if ($this->iOperator == Operator::NONE) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$iOp = Operator::NEAR; // near == in for the moment
if ($aSearchTerm['operator'] == '') {
$iOp = $oSearchTerm->iOperator;
if ($iOp == Operator::NONE) {
if (!empty($this->aName) || $this->oContext->isBoundedSearch()) {
$iOp = Operator::NAME;
} else {
$iOp = Operator::NEAR;
}
$oSearch->iSearchRank += 2;
}
$oSearch->setPoiSearch($iOp, $aSearchTerm['class'], $aSearchTerm['type']);
$oSearch->setPoiSearch(
$iOp,
$oSearchTerm->sClass,
$oSearchTerm->sType
);
$aNewSearches[] = $oSearch;
}
} elseif (isset($aSearchTerm['word_id'])
&& $aSearchTerm['word_id']
&& $sPhraseType != 'country'
} elseif ($sPhraseType != 'country'
&& is_a($oSearchTerm, '\Nominatim\Token\Word')
) {
$iWordID = $aSearchTerm['word_id'];
$iWordID = $oSearchTerm->iId;
// Full words can only be a name if they appear at the beginning
// of the phrase. In structured search the name must forcably in
// the first phrase. In unstructured search it may be in a later
@@ -296,7 +299,7 @@ class SearchDescription
$oSearch->aName = array($iWordID => $iWordID);
if (CONST_Search_NameOnlySearchFrequencyThreshold) {
$oSearch->bRareName =
$aSearchTerm['search_name_count'] + 1
$oSearchTerm->iSearchNameCount
< CONST_Search_NameOnlySearchFrequencyThreshold;
}
$aNewSearches[] = $oSearch;
@@ -309,7 +312,8 @@ class SearchDescription
/**
* Derive new searches by adding a partial term to the existing search.
*
* @param mixed[] $aSearchTerm Description of the token.
* @param string $sToken Term for the token.
* @param object $oSearchTerm Description of the token.
* @param bool $bStructuredPhrases True if the search is structured.
* @param integer $iPhrase Number of the phrase the token is in.
* @param array[] $aFullTokens List of full term tokens with the
@@ -317,21 +321,21 @@ class SearchDescription
*
* @return SearchDescription[] List of derived search descriptions.
*/
public function extendWithPartialTerm($aSearchTerm, $bStructuredPhrases, $iPhrase, $aFullTokens)
public function extendWithPartialTerm($sToken, $oSearchTerm, $bStructuredPhrases, $iPhrase, $aFullTokens)
{
// Only allow name terms.
if (!(isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])) {
if (!(is_a($oSearchTerm, '\Nominatim\Token\Word'))) {
return array();
}
$aNewSearches = array();
$iWordID = $aSearchTerm['word_id'];
$iWordID = $oSearchTerm->iId;
if ((!$bStructuredPhrases || $iPhrase > 0)
&& (!empty($this->aName))
&& strpos($aSearchTerm['word_token'], ' ') === false
&& strpos($sToken, ' ') === false
) {
if ($aSearchTerm['search_name_count'] + 1 < CONST_Max_Word_Frequency) {
if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
$oSearch = clone $this;
$oSearch->iSearchRank += 2;
$oSearch->aAddress[$iWordID] = $iWordID;
@@ -340,7 +344,7 @@ class SearchDescription
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->aAddressNonSearch[$iWordID] = $iWordID;
if (preg_match('#^[0-9]+$#', $aSearchTerm['word_token'])) {
if (preg_match('#^[0-9]+$#', $sToken)) {
$oSearch->iSearchRank += 2;
}
if (!empty($aFullTokens)) {
@@ -349,14 +353,12 @@ class SearchDescription
$aNewSearches[] = $oSearch;
// revert to the token version?
foreach ($aFullTokens as $aSearchTermToken) {
if (empty($aSearchTermToken['country_code'])
&& empty($aSearchTermToken['lat'])
&& empty($aSearchTermToken['class'])
) {
foreach ($aFullTokens as $oSearchTermToken) {
if (is_a($oSearchTermToken, '\Nominatim\Token\Word')) {
$oSearch = clone $this;
$oSearch->iSearchRank++;
$oSearch->aAddress[$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
$oSearch->aAddress[$oSearchTermToken->iId]
= $oSearchTermToken->iId;
$aNewSearches[] = $oSearch;
}
}
@@ -371,13 +373,15 @@ class SearchDescription
if (empty($this->aName)) {
$oSearch->iSearchRank += 1;
}
if (preg_match('#^[0-9]+$#', $aSearchTerm['word_token'])) {
if (preg_match('#^[0-9]+$#', $sToken)) {
$oSearch->iSearchRank += 2;
}
if ($aSearchTerm['search_name_count'] + 1 < CONST_Max_Word_Frequency) {
if (empty($this->aName) && CONST_Search_NameOnlySearchFrequencyThreshold) {
if ($oSearchTerm->iSearchNameCount < CONST_Max_Word_Frequency) {
if (empty($this->aName)
&& CONST_Search_NameOnlySearchFrequencyThreshold
) {
$oSearch->bRareName =
$aSearchTerm['search_name_count'] + 1
$oSearchTerm->iSearchNameCount
< CONST_Search_NameOnlySearchFrequencyThreshold;
} else {
$oSearch->bRareName = false;