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<?
namespace Aspro\Max;
use CMaxCache as Cache;
define('TREG_CYR', \Bitrix\Main\Localization\Loc::getMessage('TREG_CYR'));
define('CYR_E', \Bitrix\Main\Localization\Loc::getMessage('CYR_E'));
define('CYR_IO', \Bitrix\Main\Localization\Loc::getMessage('CYR_IO'));
class SearchQuery {
const META_HASH_HAS_FIXED_COUNT = 1;
const META_HASH_HAS_FIXED_ORDER = 2;
const META_HASH_HAS_FIXED_FORMS = 4;
const META_HASH_HAS_COMPLEX = 8;
const META_HASH_HAS_STOP_WORDS = 16;
const META_HASH_HAS_MINUS_WORDS = 32;
const META_HASH_NOT_VALID = 'NOT VALID';
const META_DATA_NOT_VALID = 'NOT VALID';
const IBLOCK_TYPE = 'aspro_max_catalog';
const IBLOCK_CODE = 'aspro_max_search';
const CUSTOM_FILTER_TYPE_SET_XML_ID = 'SET';
const CUSTOM_FILTER_TYPE_MERGE_XML_ID = 'MERGE';
const IS_SEARCH_TITLE_NO_XML_ID = 'N';
const IS_SEARCH_TITLE_BY_NAME_XML_ID = 'NAME';
const IS_SEARCH_TITLE_BY_QUERY_XML_ID = 'QUERY';
const IS_SEARCH_TITLE_BY_QUERY_NOT_STRONG_XML_ID = 'QUERY_NOT_STRONG';
protected static $arStopWords;
protected $query;
protected $lang;
protected $arWords;
protected $cntWords;
protected $arStems;
public function __construct($query, $lang = 'ru'){
$this->setQuery($query, $lang);
}
public function __set($name, $value){
switch($name){
case 'query':
$this->setQuery($value, $this->lang);
break;
case 'lang':
$this->setQuery($this->query, $value);
break;
}
return $value;
}
public function __get($name){
if(property_exists($this, $name)){
return $this->{$name};
}
return null;
}
protected function _reset(){
$this->query = '';
$this->lang = 'ru';
$this->cntWords = 0;
$this->arWords = $this->arStems = array();
}
public function setQuery($query, $lang = 'ru'){
$this->_reset();
if(strlen($query)){
$query = \ToLower($query, $lang);
$query = str_replace(CYR_IO, CYR_E, $query);
$query = preg_replace('/&#?[a-z0-9]{2,8};/'.BX_UTF_PCRE_MODIFIER, '' ,$query);
$query = preg_replace('/[^-a-zA-Z'.TREG_CYR.'0-9\s]/'.BX_UTF_PCRE_MODIFIER, '', $query);
$query = preg_replace('/[^-+a-zA-Z'.TREG_CYR.'0-9]/'.BX_UTF_PCRE_MODIFIER, ' ', $query);
$query = preg_replace('/[-]{2,}/'.BX_UTF_PCRE_MODIFIER, '-', $query);
$query = preg_replace('/[+]{2,}/'.BX_UTF_PCRE_MODIFIER, '+', $query);
$query = preg_replace('/([\s+-]|^)[+-]/'.BX_UTF_PCRE_MODIFIER, ' ', $query);
$query = preg_replace('/[+-]([\s+-]|$)/'.BX_UTF_PCRE_MODIFIER, ' ', $query);
$query = trim(preg_replace('/\s+/'.BX_UTF_PCRE_MODIFIER, ' ', $query));
}
$this->query = $query;
$this->lang = $lang;
$this->arWords = self::sentence2words($this->query);
$this->cntWords = count($this->arWords);
$this->arStems = self::stemming($this->query, $lang);
}
public function getLandings($arOrder = array('SORT' => 'ASC', 'ID' => 'ASC'), $arFilter = array(), $arGroupBy = false, $arNavStartParams = false, $arSelectFields = array(), $bOne = false, $bStrongCheck = true){
$arPossibleLandings = $arPossibleLandingsQuery = $arLandingsIDs = $arLandings = array();
if($this->cntWords){
if(!$arFilter || !is_array($arFilter)){
$arFilter = array();
}
if(isset($arFilter['IBLOCK_ID'])){
$IBLOCK_ID = $arFilter['IBLOCK_ID'];
}
else{
if(isset($arFilter['SITE_ID'])){
$SITE_ID = $arFilter['SITE_ID'];
}
else{
$SITE_ID = SITE_ID;
}
$IBLOCK_ID = Cache::$arIBlocks[$SITE_ID][self::IBLOCK_TYPE][self::IBLOCK_CODE][0];
}
$arFilter['IBLOCK_ID'] = $IBLOCK_ID;
if($this->arStems){
if(count($this->arStems) == 1){
$arFilter['%PROPERTY_QUERY'] = $this->arStems[0];
}
else{
$arQueryFilter = array(
'LOGIC' => 'OR'
);
foreach($this->arStems as $stem){
$arQueryFilter[] = array('%PROPERTY_QUERY' => $stem);
}
$arFilter[] = $arQueryFilter;
}
}
else{
$arFilter['%PROPERTY_QUERY'] = $this->query;
}
$arPossibleLandingsQuery = Cache::CIBLockElement_GetList(
array(
'ID' => 'ASC',
'CACHE' => array(
'MULTI' => 'N',
'TAG' => Cache::GetIBlockCacheTag($IBLOCK_ID),
'GROUP' => array('PROPERTY_QUERY_VALUE'),
'RESULT' => array('ID'),
),
),
$arFilter,
false,
false,
array(
'ID',
'IBLOCK_ID',
'PROPERTY_QUERY',
)
);
if($arPossibleLandingsQuery){
$arOrder_ = array('SORT' => 'ASC', 'ID' => 'ASC');
$arFilter_ = array('ID' => array_values($arPossibleLandingsQuery));
$arSelectFields_ = array('ID', 'IBLOCK_ID');
$obCache = new \CPHPCache();
$cacheTime = 36000000;
$cacheTag = Cache::GetIBlockCacheTag($IBLOCK_ID);
$cachePath = '/CMaxCache/iblock/CIBlockElement_GetList/'.$cacheTag.'/';
$cacheID = 'CIBlockElement_GetList_'.$cacheTag.md5(serialize(array_merge($arOrder_, array(SITE_ID), $arFilter_, array(), array(), $arSelectFields_)));
if($obCache->InitCache($cacheTime, $cacheID, $cachePath)){
$res = $obCache->GetVars();
$arPossibleLandings = $res['arRes'];
}
else{
$dbRes = \CIBlockElement::GetList($arOrder_, $arFilter_, false, false, $arSelectFields_);
while($obItem = $dbRes->GetNextElement()){
$arPossibleLanding = $obItem->GetFields();
$arMetaHash = $obItem->GetProperties(array('value_id' => 'asc'), array('CODE' => 'META_HASH'));
$arPossibleLanding['PROPERTY_META_HASH_VALUE'] = $arMetaHash ? $arMetaHash['META_HASH']['VALUE'] : array();
$arMetaData = $obItem->GetProperties(array('value_id' => 'asc'), array('CODE' => 'META_DATA'));
$arPossibleLanding['PROPERTY_META_DATA_VALUE'] = $arMetaData ? $arMetaData['META_DATA']['~VALUE'] : array();
$arQuery = $obItem->GetProperties(array('value_id' => 'asc'), array('CODE' => 'QUERY'));
$arPossibleLanding['PROPERTY_QUERY_VALUE'] = $arQuery ? $arQuery['QUERY']['VALUE'] : array();
$arPossibleLandings[] = $arPossibleLanding;
}
if($cacheTime > 0 && \Bitrix\Main\Config\Option::get('main', 'component_cache_on', 'Y') !== 'N'){
$obCache->StartDataCache($cacheTime, $cacheID, $cachePath);
if(strlen($cacheTag)){
$GLOBALS['CACHE_MANAGER']->StartTagCache($cachePath);
$GLOBALS['CACHE_MANAGER']->RegisterTag($cacheTag);
$GLOBALS['CACHE_MANAGER']->EndTagCache();
}
$obCache->EndDataCache(array('arRes' => $arPossibleLandings));
}
}
}
if($arPossibleLandings){
$arStrongCheckedIDs = array();
foreach($arPossibleLandings as &$arLanding){
if(isset($arLanding['PROPERTY_QUERY_VALUE']) && isset($arLanding['PROPERTY_META_HASH_VALUE']) && isset($arLanding['PROPERTY_META_DATA_VALUE'])){
$arLanding['PROPERTY_QUERY_VALUE'] = (array)$arLanding['PROPERTY_QUERY_VALUE'];
$arLanding['PROPERTY_META_HASH_VALUE'] = (array)$arLanding['PROPERTY_META_HASH_VALUE'];
$arLanding['PROPERTY_META_DATA_VALUE'] = (array)$arLanding['PROPERTY_META_DATA_VALUE'];
$bFinded = false;
foreach($arLanding['PROPERTY_QUERY_VALUE'] as $i => $query){
$query = htmlspecialchars_decode($query);
if(strlen($query) && isset($arPossibleLandingsQuery[$query]) && isset($arLanding['PROPERTY_META_HASH_VALUE'][$i]) && strlen($hash = $arLanding['PROPERTY_META_HASH_VALUE'][$i]) && isset($arLanding['PROPERTY_META_DATA_VALUE'][$i]) && strlen($arData = $arLanding['PROPERTY_META_DATA_VALUE'][$i])
){
$bStrongChecked = true;
// check min count
$cntAll = ($hash & (255 << 8)) >> 8;
if($cntAll > count($this->arWords)){
$bStrongChecked = false;
if($bStrongCheck){
continue;
}
}
// check fixed count
if($bStrongChecked){
if($hash & self::META_HASH_HAS_FIXED_COUNT){
$cntFixedCount = $hash >> 16;
if($cntFixedCount != count($this->arWords)){
$bStrongChecked = false;
if($bStrongCheck){
continue;
}
}
}
}
$minusWords = $stopWords = $fixedForms = $fixedOrder = $other = false;
$arComplex = array();
if($arData = unserialize($arData)){
$minusWords = $arData['MINUS'];
$stopWords = $arData['STOP'];
$arComplex = $arData['COMPLEX'];
$fixedForms = $arData['FORMS'];
$fixedOrder = $arData['ORDER'];
$other = $arData['OTHER'];
}
// check minus words
if($bHasMinusWords = ($hash & self::META_HASH_HAS_MINUS_WORDS && ($minusWords['WORDS'] || $minusWords['STEM']))){
foreach($arMinusWords = array_filter(explode(';', $minusWords['WORDS'])) as $word){
if(in_array($word, $this->arWords)){
$bStrongChecked = false;
continue 2;
}
}
foreach($arMinusWords = array_filter(explode(';', $minusWords['STEM'])) as $word){
if(in_array($word, $this->arStems)){
$bStrongChecked = false;
continue 2;
}
}
}
// check stop words
if($bStrongChecked){
if($hash & self::META_HASH_HAS_STOP_WORDS && $stopWords){
foreach($arStopWords = array_filter(explode(';', $stopWords)) as $word){
if(!in_array($word, $this->arWords)){
$bStrongChecked = false;
if($bStrongCheck){
continue 2;
}
else{
break;
}
}
}
}
}
// check complex
if($bStrongChecked){
if($bHasComplex = ($hash & self::META_HASH_HAS_COMPLEX && $arComplex)){
foreach($arComplex as $complex){
if(!preg_match('/'.$complex.'/'.BX_UTF_PCRE_MODIFIER, $this->query)){
$bStrongChecked = false;
if($bStrongCheck){
continue 2;
}
else{
break;
}
}
}
}
}
// check fixed forms
if($bStrongChecked){
if($bHasFixedForms = ($hash & self::META_HASH_HAS_FIXED_FORMS && strlen($fixedForms))){
foreach($arFixedForms = array_filter(explode(';', $fixedForms)) as $fixedForm){
if(!in_array($fixedForm, $this->arWords)){
$bStrongChecked = false;
if($bStrongCheck){
continue 2;
}
else{
break;
}
}
}
}
}
// check fixed order
if($bStrongChecked){
if($bHasFixedOrder = ($hash & self::META_HASH_HAS_FIXED_ORDER && strlen($fixedOrder))){
foreach($arFixedOrder = array_filter(explode(';', $fixedOrder)) as $fixedOrder){
if(strlen($fixedOrder)){
if(!preg_match('/'.$fixedOrder.'/'.BX_UTF_PCRE_MODIFIER, $this->query)){
$bStrongChecked = false;
if($bStrongCheck){
continue 2;
}
else{
break;
}
}
}
}
}
}
// check all words
if($bStrongChecked){
if(strlen($other)){
foreach($arOther = array_filter(explode(';', $other)) as $other){
if(strlen($other)){
if(!in_array($other, $this->arStems) && !in_array($other, $this->arWords)){
$bStrongChecked = false;
if($bStrongCheck){
continue 2;
}
else{
break;
}
}
}
}
}
}
if($bStrongChecked){
$arStrongCheckedIDs[] = $arLanding['ID'];
$bFinded = true;
break;
}
elseif(!$bStrongCheck){
$cntFindedStems = $cntNotFindedStems = 0;
$sAll = implode(' ', array($arComplex, $fixedForms, $fixedOrder, $other));
$sMinus = implode(' ', array($minusWords['STEM'], $minusWords['WORDS']));
foreach($this->arStems as $stem){
if(preg_match('/(^|[^a-zA-Z'.TREG_CYR.'0-9]+)'.$stem.'/'.BX_UTF_PCRE_MODIFIER, $sAll)){
++$cntFindedStems;
}
else{
if(preg_match('/(^|[^a-zA-Z'.TREG_CYR.'0-9]+)'.$stem.'/'.BX_UTF_PCRE_MODIFIER, $sMinus)){
continue 2;
}
else{
++$cntNotFindedStems;
}
}
}
if(($cntFindedStems >= 1) && (($cntNotFindedStems <= 1) || ($cntFindedStems >= $cntNotFindedStems))){
$bFinded = true;
break;
}
}
}
else{
continue;
}
}
if($bFinded){
$arLandingsIDs[] = $arLanding['ID'];
if($bOne){
break;
}
}
}
}
unset($arPossibleLandings, $arLanding);
}
if($arLandingsIDs){
$arFilter = array('ID' => $arLandingsIDs, 'IBLOCK_ID' => $IBLOCK_ID);
if(!$arOrder || !is_array($arOrder)){
$arOrder = array('SORT' => 'ASC', 'ID' => 'ASC');
}
if(isset($arOrder['CACHE'])){
$arCache = $arOrder['CACHE'];
}
else{
$arCache = array();
}
$arCache['MULTI'] = isset($arCache['MULTI']) ? $arCache['MULTI'] : 'Y';
$arCache['TAG'] = isset($arCache['TAG']) ? $arCache['TAG'] : Cache::GetIBlockCacheTag($IBLOCK_ID);
$arOrder['CACHE'] = $arCache;
if(!$arSelectFields || !is_array($arSelectFields)){
$arSelectFields = array();
}
$arSelectFields = array_merge($arSelectFields, array('ID', 'IBLOCK_ID'));
$arLandings = Cache::CIBLockElement_GetList($arOrder, $arFilter, $arGroupBy, $arNavStartParams, $arSelectFields);
if($bOne){
$arLandings = reset($arLandings);
}
if(!$bStrongCheck){
foreach($arLandings as &$arLanding){
$arLanding['STRONG_CHECKED'] = in_array($arLanding['ID'], $arStrongCheckedIDs);
}
}
unset($arLanding);
}
}
return $arLandings;
}
public static function getTitleLandings($query, $altQuery, $arFilter, $cnt){
$arTitleLandings = array();
if(($cnt = intval($cnt)) > 0){
$arLandings = $arLandingIDs = array();
$arFilter = is_array($arFilter) ? $arFilter : array($arFilter);
$arSelect = array(
'ID',
'IBLOCK_ID',
'NAME',
'DETAIL_PAGE_URL',
'PROPERTY_URL_CONDITION',
'PROPERTY_REDIRECT_URL',
'PROPERTY_QUERY',
'PROPERTY_IS_SEARCH_TITLE',
);
$oSearchQuery = new self($query);
$arLandings = $oSearchQuery->getLandings(array(), $arFilter, false, false, $arSelect, false, false);
// alt query
if(!$arLandings && strlen($altQuery)){
$oSearchQuery->setQuery($altQuery);
$arLandings = $oSearchQuery->getLandings(array(), $arFilter, false, false, $arSelect, false, false);
}
if($arLandings){
$arEnums = array();
$dbRes = \CIBlockPropertyEnum::GetList(array('DEF' => 'DESC', 'SORT' => 'ASC'), array('CODE' => 'IS_SEARCH_TITLE'));
while($arValue = $dbRes->Fetch()){
if(!isset($arEnums[$arValue['EXTERNAL_ID']])){
$arEnums[$arValue['EXTERNAL_ID']] = array();
}
$arEnums[$arValue['EXTERNAL_ID']][] = $arValue['ID'];
}
foreach($arLandings as $arLanding){
if(
in_array($arLanding['PROPERTY_IS_SEARCH_TITLE_ENUM_ID'], $arEnums[self::IS_SEARCH_TITLE_BY_QUERY_NOT_STRONG_XML_ID]) ||
($arLanding['STRONG_CHECKED'] && in_array($arLanding['PROPERTY_IS_SEARCH_TITLE_ENUM_ID'], $arEnums[self::IS_SEARCH_TITLE_BY_QUERY_XML_ID]))
){
$catalogDir = preg_replace('/[\?].*/', '', $arLanding['DETAIL_PAGE_URL']);
$url = self::getLandingUrl(
$catalogDir,
$arLanding['PROPERTY_URL_CONDITION_VALUE'],
$arLanding['PROPERTY_REDIRECT_URL_VALUE'],
$arLanding['PROPERTY_QUERY_VALUE'],
$arLanding['ID']
);
$arTitleLandings[] = array(
'NAME' => $arLanding['NAME'],
'URL' => $url,
'MODULE_ID' => 'iblock',
'PARAM1' => self::IBLOCK_TYPE,
'PARAM2' => $arLanding['IBLOCK_ID'],
'ITEM_ID' => $arLanding['ID'],
);
if(count($arTitleLandings) >= $cnt){
break;
}
}
}
}
}
return $arTitleLandings;
}
public static function getLandingUrl($catalogDir, $urlCondition, $redirectUrl, $arQuery, $id = false){
$url = false;
if(strlen($urlCondition = trim($urlCondition))){
$url = $urlCondition;
}
elseif(strlen($redirectUrl = trim($redirectUrl))){
$url = $redirectUrl;
}
else{
$catalogDir = '/'.trim(trim($catalogDir), '/').'/';
if($id){
$url = $catalogDir.'?q=&ls='.$id;
}
else{
$arQuery = (array)$arQuery;
if(strlen($query = $arQuery ? trim(htmlspecialchars_decode($arQuery[0])) : '')){
if(strlen($query = self::getSentenceExampleQuery($query))){
$url = $catalogDir.'?q='.urlencode($query).'&spell=1';
}
}
}
}
return $url;
}
protected static function _isBxSearch(){
static $bIncluded;
if(!isset($bIncluded)){
$bIncluded = \Bitrix\Main\Loader::includeModule('search');
}
return $bIncluded;
}
public static function vail($count, $arStr, $bStrOnly = false) {
$ost10 = $count % 10;
$ost100 = $count % 100;
$val = $arStr[2];
if(!$count || !$ost10 || ($ost100 > 10 && $ost100 < 20)){
$val = $arStr[2];
}
elseif($ost10 == 1){
$val = $arStr[0];
}
elseif($ost10 > 1 && $ost10 < 5){
$val = $arStr[1];
}
return ($bStrOnly ? '' : intval($count).' ').$val;
}
public static function correctingSentence($sentence, $lang = 'ru'){
if(strlen($sentence = \ToLower(trim($sentence), $lang))){
$sentence = str_replace(CYR_IO, CYR_E, $sentence);
// remove all symbols exclude +-"!|()[] and a-zA-Z#TREG_CYR#0-9
$sentence = preg_replace('/[^\-+"!|\(\)\[\]a-zA-Z'.TREG_CYR.'0-9]/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence);
// replace !- to -!
$sentence = str_replace('!-', '-!', $sentence);
// remove all repeats
$sentence = preg_replace('/[-]{2,}/'.BX_UTF_PCRE_MODIFIER, '-', $sentence);
$sentence = preg_replace('/[+]{2,}/'.BX_UTF_PCRE_MODIFIER, '+', $sentence);
$sentence = preg_replace('/["]{2,}/'.BX_UTF_PCRE_MODIFIER, '"', $sentence);
$sentence = preg_replace('/[!]{2,}/'.BX_UTF_PCRE_MODIFIER, '!', $sentence);
$sentence = preg_replace('/[|]{2,}/'.BX_UTF_PCRE_MODIFIER, '|', $sentence);
$sentence = preg_replace('/[\[]{2,}/'.BX_UTF_PCRE_MODIFIER, '[', $sentence);
$sentence = preg_replace('/[\]]{2,}/'.BX_UTF_PCRE_MODIFIER, ']', $sentence);
$sentence = preg_replace('/[\(]{2,}/'.BX_UTF_PCRE_MODIFIER, '(', $sentence);
$sentence = preg_replace('/[\)]{2,}/'.BX_UTF_PCRE_MODIFIER, ')', $sentence);
// remove bad complex
$sentence = str_replace(array('(', ')', '|'), ' ', preg_replace('/[\(][\s]*([^|\)\(]+)[\s]*[|][\s]*([^|\)\(]+)[\s]*[\)]/'.BX_UTF_PCRE_MODIFIER, ' #$1@$2% ', $sentence));
$sentence = str_replace(array('#', '%', '@'), array('(', ')', '|'), $sentence);
// remove bad orders
$sentence = str_replace(array('[', ']'), ' ', preg_replace('/[\[][\s]*([^\]\[\s]+[\s]+[^\]\[]+)[\s]*[\]]/'.BX_UTF_PCRE_MODIFIER, ' #$1% ', $sentence));
$sentence = str_replace(array('#', '%'), array('[', ']'), $sentence);
// after - remove all symbols exclude ! and a-zA-Z#TREG_CYR#0-9
$sentence = preg_replace('/[-][!]*([^!a-zA-Z'.TREG_CYR.'0-9]|$)/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence);
// after + remove all symbols exclude ! and a-zA-Z#TREG_CYR#0-9
$sentence = preg_replace('/[+]([^!a-zA-Z'.TREG_CYR.'0-9]|$)/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence);
// +! is correct, but it`s also +
$sentence = str_replace(array('+!', '!+'), '+', $sentence);
// after ! remove all symbols exclude a-zA-Z#TREG_CYR#0-9
$sentence = preg_replace('/[!]([^a-zA-Z'.TREG_CYR.'0-9]|$)/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence);
// before and after | remove all symbols exclude -+!() and a-zA-Z#TREG_CYR#0-9
$sentence = preg_replace('/[^\(\sa-zA-Z'.TREG_CYR.'0-9][|]/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence);
$sentence = preg_replace('/[|]([^\-+!\)\sa-zA-Z'.TREG_CYR.'0-9]|$)/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence);
// remove spaces before and after |
$sentence = preg_replace('/\s*[|]\s*/'.BX_UTF_PCRE_MODIFIER, '|', $sentence);
// remove space after ([ and before ]) again
$sentence = preg_replace('/([\(\[])\s+/'.BX_UTF_PCRE_MODIFIER, '$1', $sentence);
$sentence = preg_replace('/\s+([\)\]])/'.BX_UTF_PCRE_MODIFIER, '$1', $sentence);
if(strpos($sentence, '"') !== false){
$bHasFixedCount = preg_match('/^["](.*)["]$/'.BX_UTF_PCRE_MODIFIER, $sentence);
// remove symbol "
$sentence = str_replace('"', '', $sentence);
if($bHasFixedCount){
// exclude in begin and in end
$sentence = '"'.trim($sentence).'"';
}
}
$sentence = trim(preg_replace('/\s+/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence));
}
return $sentence;
}
public static function getSentenceMeta($sentence, $lang = 'ru'){
static $arCache;
if(!isset($arCache)){
$arCache = array();
}
if(!isset($arCache[$lang])){
$arCache[$lang] = array();
}
$originalSentence = $sentence;
if(!isset($arCache[$lang][$originalSentence])){
$hash = 0;
$arData = array();
if(strlen($correctSentence = self::correctingSentence($sentence, $lang))){
$sentence = $correctSentence;
$bHasFixedCount = false;
$cntFixedCount = $cntMinusWords = $cntStopWords = $cntComplex = $cntFixedOrder = $cntOther = $cntAll = 0;
$arStopWords = $arOrder = $arComplex = array();
if(strpos($sentence, '-') !== false){
if(preg_match_all('/([\s|(\["]+|^)([-]([a-zA-Z'.TREG_CYR.'0-9-]+))|([\s|(\["]+|^)([-][!]([a-zA-Z'.TREG_CYR.'0-9-]+))/'.BX_UTF_PCRE_MODIFIER, $sentence, $arMatches)){
$sentence = str_replace(array_filter(array_merge($arMatches[2], $arMatches[5])), '', $sentence);
$arMinus = array(
'WORDS' => array_filter($arMatches[6]),
'STEM' => array(),
);
if($arMatches[3] = array_filter($arMatches[3])){
foreach($arMatches[3] as $word){
if($stem = self::stemming($word, $lang)){
$arMinus['STEM'][] = reset($stem);
}
else{
$arMinus['STEM'][] = $word;
}
}
}
if($arMinus){
$hash |= self::META_HASH_HAS_MINUS_WORDS;
$cntMinusWords = count($arMinus['WORDS']) + count($arMinus['STEM']);
$arData['MINUS'] = array(
'WORDS' => $arMinus['WORDS'] ? implode(';', array_unique($arMinus['WORDS'])) : '',
'STEM' => $arMinus['STEM'] ? implode(';', array_unique($arMinus['STEM'])) : '',
);
}
}
}
if(preg_match_all('/([a-zA-Z'.TREG_CYR.'0-9-]+)/'.BX_UTF_PCRE_MODIFIER, $sentence, $arMatches)){
$cntAll = count(array_unique($arMatches[0]));
}
if($bHasFixedCount = (strpos($sentence, '"') !== false)){
$hash |= self::META_HASH_HAS_FIXED_COUNT;
$sentence = str_replace('"', '', $sentence);
$cntFixedCount = $cntAll;
}
if(strpos($sentence, '+') !== false){
if(preg_match_all('/([\s|(\["]+|^)([+]([a-zA-Z'.TREG_CYR.'0-9-]+))/'.BX_UTF_PCRE_MODIFIER, $sentence, $arMatches)){
foreach($arMatches[3] as $i => $match){
if(self::isStopWord($match)){
$arStopWords[] = $match;
}
else{
$correctSentence = str_replace($arMatches[2][$i], $match, $correctSentence);
}
$sentence = str_replace($arMatches[2][$i], $match, $sentence);
}
if($arStopWords){
$hash |= self::META_HASH_HAS_STOP_WORDS;
$arStopWords = array_unique($arStopWords);
$cntStopWords = count($arStopWords);
$arData['STOP'] = implode(';', $arStopWords);
}
}
}
if(strpos($sentence, '|') !== false && strpos($sentence, '(') !== false && strpos($sentence, ')') !== false){
if(preg_match_all('/[(]([^|]+)[|]([^|]+)[)]/'.BX_UTF_PCRE_MODIFIER, $sentence, $arMatches)){
foreach($arMatches[0] as $i => $match){
$complex1 = $arMatches[1][$i];
$bStem1 = false;
if(strpos($complex1 = trim($complex1), '!') === false && !in_array($complex1, $arStopWords)){
if(strpos($complex1, '+') === false){
if($stem = self::stemming($complex1, $lang)){
$complex1 = reset($stem);
$bStem1 = true;
}
}
}
else{
$complex1 = str_replace(array('!', '+'), '', $complex1);
}
$complex2 = $arMatches[2][$i];
$bStem2 = false;
if(strpos($complex2 = trim($complex2), '!') === false && !in_array($complex2, $arStopWords)){
if(strpos($complex2, '+') === false){
if($stem = self::stemming($complex2, $lang)){
$complex2 = reset($stem);
$bStem2 = true;
}
}
}
else{
$complex2 = str_replace(array('!', '+'), '', $complex2);
}
$arComplex[] = '('.$complex1.($bStem1 ? '[a-zA-Z'.TREG_CYR.'0-9-]*' : '([\s]|$)').')|('.$complex2.($bStem2 ? '[a-zA-Z'.TREG_CYR.'0-9-]*' : '([\s]|$)').')';
}
if($arComplex){
$hash |= self::META_HASH_HAS_COMPLEX;
$arComplex = array_unique($arComplex);
$cntComplex = count($arComplex);
$arData['COMPLEX'] = $arComplex;
}
}
}
if(strpos($sentence, '[') !== false && strpos($sentence, ']') !== false){
if(preg_match_all('/[\[]([^\]]*)[\]]/'.BX_UTF_PCRE_MODIFIER, $sentence, $arMatches)){
foreach($arMatches[0] as $i => $match){
$arOrder[$i] = array();
if(preg_match_all('/[!a-zA-Z'.TREG_CYR.'0-9-]+|[\(]([!a-zA-Z'.TREG_CYR.'0-9-]+)[|]([!a-zA-Z'.TREG_CYR.'0-9-]+)[\)]/'.BX_UTF_PCRE_MODIFIER, $match, $arFixedOrder)){
if($arFixedOrder[0]){
foreach($arFixedOrder[0] as $j => $word){
if(strlen($arFixedOrder[1][$j]) && strlen($arFixedOrder[2][$j])){
if(in_array($complex1, $arStopWords)){
--$cntAll;
}
if(strpos($complex1 = trim($arFixedOrder[1][$j]), '!') === false && !in_array($complex1, $arStopWords)){
if($stem = self::stemming($complex1, $lang)){
$complex1 = reset($stem).'[a-zA-Z'.TREG_CYR.'0-9-]*';
}
}
else{
$complex1 = str_replace(array('!', '+'), '', $complex1).'([\s]|$)';
}
if(in_array($complex2, $arStopWords)){
--$cntAll;
}
if(strpos($complex2 = trim($arFixedOrder[2][$j]), '!') === false && !in_array($complex2, $arStopWords)){
if($stem = self::stemming($complex2, $lang)){
$complex2 = reset($stem).'[a-zA-Z'.TREG_CYR.'0-9-]*';
}
}
else{
$complex2 = str_replace(array('!', '+'), '', $complex2).'([\s]|$)';
}
$word = '('.implode('|', array($complex1, $complex2)).')';
}
else{
if(in_array($word, $arStopWords)){
--$cntAll;
}
if(strpos($word = trim($word), '!') === false && !in_array($word, $arStopWords)){
if($stem = self::stemming($word, $lang)){
$word = reset($stem).'[a-zA-Z'.TREG_CYR.'0-9-]*';
}
}
else{
$word = str_replace(array('!', '+'), '', $word);
}
}
$arOrder[$i][] = $word;
}
if($arOrder[$i]){
if(count($arOrder[$i]) > 1){
$arOrder[$i] = implode('[\s]', $arOrder[$i]);
}
else{
unset($arOrder[$i]);
}
}
}
}
}
if($arOrder){
$hash |= self::META_HASH_HAS_FIXED_ORDER;
$arOrder = array_unique($arOrder);
$cntFixedOrder = count($arOrder);
$arData['ORDER'] = implode(';', $arOrder);
}
}
}
$sentence = preg_replace('/[\(][^\)]*[\)]/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence);
$sentence = preg_replace('/[\[][^\]]*[\]]/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence);
if(strpos($sentence, '!') !== false){
if(preg_match_all('/([\s|(\["]+|^)[!]([a-zA-Z'.TREG_CYR.'0-9-]+)/'.BX_UTF_PCRE_MODIFIER, $sentence, $arMatches)){
$hash |= self::META_HASH_HAS_FIXED_FORMS;
foreach($arMatches[0] as $match){
$sentence = str_replace($match, ' ', $sentence);
}
$arData['FORMS'] = implode(';', array_unique($arMatches[2]));
}
}
$sentence = trim(preg_replace('/\s+/'.BX_UTF_PCRE_MODIFIER, ' ', $sentence));
if(strlen($sentence) && $arWords = self::sentence2words($sentence)){
$arData['OTHER'] = array();
foreach($arWords as $word){
if(self::isStopWord($word)){
if(!$bHasFixedCount){
--$cntAll;
}
}
else{
if($stem = self::stemming($word, $lang)){
$word = reset($stem);
}
$arData['OTHER'][] = $word;
}
}
if($arData['OTHER']){
$arData['OTHER'] = array_unique($arData['OTHER']);
$cntOther = count($arData['OTHER']);
$arData['OTHER'] = implode(';', $arData['OTHER']);
}
else{
unset($arData['OTHER']);
}
}
$cntAll -= $cntComplex;
if($bHasFixedCount){
$cntFixedCount -= $cntComplex;
$hash = $hash | ($cntFixedCount << 16);
}
else{
$cntAll += $cntStopWords;
}
$hash = $hash | ($cntAll << 8);
}
else{
$correctSentence = $sentence;
$hash = self::META_DATA_NOT_VALID;
$arData = self::META_DATA_NOT_VALID;
}
$correctSentence = str_replace('[ (', '[(', $correctSentence);
$correctSentence = str_replace(') ]', ')]', $correctSentence);
$arCache[$lang][$originalSentence] = array($correctSentence, $hash, $arData);
}
return $arCache[$lang][$originalSentence];
}
public static function getSentenceExampleQuery($sentence, $lang = 'ru'){
$query = false;
list($correctSentence, $hash, $arData) = self::getSentenceMeta($sentence, $lang);
if(strlen($correctSentence) && $hash !== self::META_HASH_NOT_VALID){
$query = $correctSentence;
if($hash & self::META_HASH_HAS_MINUS_WORDS){
if(preg_match_all('/([\s|(\["]+|^)([-]([a-zA-Z'.TREG_CYR.'0-9-]+))|([\s|(\["]+|^)([-][!]([a-zA-Z'.TREG_CYR.'0-9-]+))/'.BX_UTF_PCRE_MODIFIER, $query, $arMatches)){
$query = str_replace(array_filter(array_merge($arMatches[2], $arMatches[5])), '', $query);
}
}
if($hash & self::META_HASH_HAS_FIXED_COUNT){
$query = preg_replace('/^["](.*)["]$/'.BX_UTF_PCRE_MODIFIER, '$1', $query);
}
if($hash & self::META_HASH_HAS_STOP_WORDS){
$query = preg_replace('/[+]([a-zA-Z'.TREG_CYR.'0-9-]+)/'.BX_UTF_PCRE_MODIFIER, ' $1', $query);
}
if($hash & self::META_HASH_HAS_COMPLEX){
$query = preg_replace('/[(][!]*([^|]+)[|][!]*([^|]+)[)]/'.BX_UTF_PCRE_MODIFIER, ' $1', $query);
}
if($hash & self::META_HASH_HAS_FIXED_ORDER){
$query = preg_replace('/[\[]([^\]]*)[\]]/'.BX_UTF_PCRE_MODIFIER, ' $1', $query);
}
if($hash & self::META_HASH_HAS_FIXED_FORMS){
$query = preg_replace('/([\s|(\["]+|^)[!]([a-zA-Z'.TREG_CYR.'0-9-]+)/'.BX_UTF_PCRE_MODIFIER, ' $2', $query);
}
$query = trim(preg_replace('/\s+/'.BX_UTF_PCRE_MODIFIER, ' ', $query));
}
return $query;
}
public static function getStopWordsList(){
if(!isset(self::$arStopWords)){
\Bitrix\Main\Localization\Loc::loadMessages(__FILE__);
self::$arStopWords = array_flip(explode(' ', \Bitrix\Main\Localization\Loc::getMessage('STOP_WORDS')));
}
return array_keys(self::$arStopWords);
}
public static function isStopWord($word, $lang = 'ru'){
if(!isset(self::$arStopWords)){
self::getStopWordsList();
}
return boolval(isset(self::$arStopWords[\ToLower($word, $lang)]));
}
public static function sentence2words($sentence){
return strlen($sentence) ? (preg_match_all('/[a-zA-Z'.TREG_CYR.'0-9-]+/'.BX_UTF_PCRE_MODIFIER, $sentence, $arMatches) ? $arMatches[0] : array()) : array();
}
public static function stemming($sentence, $lang = 'ru'){
if(self::_isBxSearch()){
if($stem = \stemming($sentence, $lang)){
$arStems = array();
foreach(array_keys($stem) as $word){
$arStems[] = \ToLower($word, $lang);
}
return $arStems;
}
}
return array();
}
public static function isLandingSearchIblock($IBLOCK_ID){
return $IBLOCK_ID && isset(Cache::$arIBlocksInfo[$IBLOCK_ID]) && strpos(Cache::$arIBlocksInfo[$IBLOCK_ID]['CODE'], self::IBLOCK_CODE) !== false;
}
public static function getLandingSearchIblocksIDs($siteId = false, $indexElement = false){
$arIBlockIDs = array();
foreach(Cache::$arIBlocksInfo as $IBLOCK_ID => $arIBlock){
if(strpos($arIBlock['CODE'], self::IBLOCK_CODE) !== false){
if(!$siteId || in_array($siteId, $arIBlock['LID'])){
if(!$indexElement || ($indexElement === $arIBlock['INDEX_ELEMENT'])){
$arIBlockIDs[] = $IBLOCK_ID;
}
}
}
}
return $arIBlockIDs;
}
}
?>