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<?php |
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namespace ApacheSolrForTypo3\Solr\Domain\Search\Query\ParameterBuilder; |
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/*************************************************************** |
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* Copyright notice |
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* |
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* (c) 2017 <[email protected]> |
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* All rights reserved |
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* |
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* This script is part of the TYPO3 project. The TYPO3 project is |
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* free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* The GNU General Public License can be found at |
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* http://www.gnu.org/copyleft/gpl.html. |
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* |
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* This script is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* This copyright notice MUST APPEAR in all copies of the script! |
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***************************************************************/ |
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use ApacheSolrForTypo3\Solr\System\Configuration\TypoScriptConfiguration; |
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/** |
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* The Highlighting ParameterProvider is responsible to build the solr query parameters |
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* that are needed for the highlighting. |
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* |
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* @package ApacheSolrForTypo3\Solr\Domain\Search\Query\ParameterBuilder |
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*/ |
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class Highlighting implements ParameterBuilder |
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{ |
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/** |
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* @var bool |
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*/ |
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protected $isEnabled = false; |
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/** |
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* @var int |
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*/ |
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protected $fragmentSize = 200; |
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/** |
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* @var string |
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*/ |
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protected $highlightingFieldList = ''; |
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/** |
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* @var string |
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*/ |
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protected $prefix = ''; |
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/** |
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* @var string |
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*/ |
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protected $postfix = ''; |
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/** |
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* Highlighting constructor. |
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* |
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* private constructor should only be created with the from* methods |
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* |
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* @param bool $isEnabled |
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* @param int $fragmentSize |
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* @param string $highlightingFieldList |
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* @param string $prefix |
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* @param string $postfix |
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*/ |
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private function __construct($isEnabled = false, $fragmentSize = 200, $highlightingFieldList = '', $prefix = '', $postfix = '') |
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{ |
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$this->isEnabled = $isEnabled; |
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$this->fragmentSize = $fragmentSize; |
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$this->highlightingFieldList = $highlightingFieldList; |
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$this->prefix = $prefix; |
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$this->postfix = $postfix; |
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} |
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/** |
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* @return int |
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*/ |
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public function getFragmentSize(): int |
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{ |
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return $this->fragmentSize; |
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} |
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/** |
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* @param int $fragmentSize |
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*/ |
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public function setFragmentSize(int $fragmentSize) |
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{ |
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$this->fragmentSize = $fragmentSize; |
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} |
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/** |
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* @return string |
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*/ |
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public function getHighlightingFieldList(): string |
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{ |
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return $this->highlightingFieldList; |
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} |
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/** |
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* @param string $highlightingFieldList |
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*/ |
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public function setHighlightingFieldList(string $highlightingFieldList) |
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{ |
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$this->highlightingFieldList = $highlightingFieldList; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPrefix(): string |
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{ |
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return $this->prefix; |
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} |
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/** |
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* @param string $prefix |
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*/ |
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public function setPrefix(string $prefix) |
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{ |
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$this->prefix = $prefix; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPostfix(): string |
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{ |
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return $this->postfix; |
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} |
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/** |
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* @param string $postfix |
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*/ |
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public function setPostfix(string $postfix) |
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{ |
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$this->postfix = $postfix; |
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} |
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/** |
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* @return boolean |
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*/ |
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public function getIsEnabled() |
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{ |
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return $this->isEnabled; |
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} |
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/** |
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* @param boolean $isEnabled |
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*/ |
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public function setIsEnabled($isEnabled) |
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{ |
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$this->isEnabled = $isEnabled; |
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} |
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/** |
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* @return array |
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*/ |
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public function build() |
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{ |
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if (!$this->isEnabled) { |
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return []; |
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} |
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$highlightingParameter = []; |
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$highlightingParameter['hl'] = 'true'; |
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$highlightingParameter['hl.fragsize'] = (int)$this->fragmentSize; |
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if ($this->highlightingFieldList != '') { |
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$highlightingParameter['hl.fl'] = $this->highlightingFieldList; |
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} |
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// the fast vector highlighter can only be used, when the fragmentSize is |
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// higher then 17 otherwise solr throws an exception |
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$useFastVectorHighlighter = ($this->fragmentSize >= 18); |
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if ($useFastVectorHighlighter) { |
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$highlightingParameter['hl.useFastVectorHighlighter'] = 'true'; |
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$highlightingParameter['hl.tag.pre'] = $this->prefix; |
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$highlightingParameter['hl.tag.post'] = $this->postfix; |
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} |
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if ($this->prefix !== '' && $this->postfix !== '') { |
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$highlightingParameter['hl.simple.pre'] = $this->prefix; |
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$highlightingParameter['hl.simple.post'] = $this->postfix; |
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} |
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return $highlightingParameter; |
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} |
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/** |
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* @param TypoScriptConfiguration $solrConfiguration |
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* @return Highlighting |
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*/ |
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public static function fromTypoScriptConfiguration(TypoScriptConfiguration $solrConfiguration) |
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{ |
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$isEnabled = $solrConfiguration->getSearchResultsHighlighting(); |
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if (!$isEnabled) { |
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return new Highlighting(false); |
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} |
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$fragmentSize = $solrConfiguration->getSearchResultsHighlightingFragmentSize(); |
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$highlightingFields = $solrConfiguration->getSearchResultsHighlightingFields(); |
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$wrap = explode('|', $solrConfiguration->getSearchResultsHighlightingWrap()); |
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$prefix = isset($wrap[0]) ? $wrap[0] : ''; |
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$postfix = isset($wrap[1]) ? $wrap[1] : ''; |
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return new Highlighting($isEnabled, $fragmentSize, $highlightingFields, $prefix, $postfix); |
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} |
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} |
TYPO3-Solr /
ext-solr
