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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\MediaWikiServices; |
| 4 | |
| 5 | class MathSearchTerm { |
| 6 | |
| 7 | public const TYPE_TEXT = 0; |
| 8 | public const TYPE_MATH = 1; |
| 9 | public const TYPE_XMATH = 2; |
| 10 | public const REL_AND = 0; |
| 11 | public const REL_OR = 1; |
| 12 | public const REL_NAND = 2; |
| 13 | public const REL_NOR = 3; |
| 14 | |
| 15 | private $key = 0; |
| 16 | private $rel = 0; |
| 17 | private $type = 0; |
| 18 | private $expr = ''; |
| 19 | /** @var int[] */ |
| 20 | private $relevanceMap = []; |
| 21 | private $resultSet = []; |
| 22 | |
| 23 | /** |
| 24 | * @param int $i |
| 25 | * @param int $rel |
| 26 | * @param int $type |
| 27 | * @param string $expr |
| 28 | */ |
| 29 | function __construct( $i, $rel, $type, $expr ) { |
| 30 | $this->key = $i; |
| 31 | $this->rel = $rel; |
| 32 | $this->type = $type; |
| 33 | $this->expr = $expr; |
| 34 | } |
| 35 | |
| 36 | /** |
| 37 | * @return int |
| 38 | */ |
| 39 | public function getKey() { |
| 40 | return $this->key; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @param int $key |
| 45 | */ |
| 46 | public function setKey( $key ) { |
| 47 | $this->key = $key; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * @return int |
| 52 | */ |
| 53 | public function getRel() { |
| 54 | return $this->rel; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @param int $rel |
| 59 | */ |
| 60 | public function setRel( $rel ) { |
| 61 | $this->rel = $rel; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @return int |
| 66 | */ |
| 67 | public function getType() { |
| 68 | return $this->type; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * @param int $type |
| 73 | */ |
| 74 | public function setType( $type ) { |
| 75 | $this->type = $type; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * @return string |
| 80 | */ |
| 81 | public function getExpr() { |
| 82 | return $this->expr; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * @param string $expr |
| 87 | */ |
| 88 | public function setExpr( $expr ) { |
| 89 | $this->expr = $expr; |
| 90 | } |
| 91 | |
| 92 | public function doSearch( MathEngineRest $backend ) { |
| 93 | $backend->resetResults(); |
| 94 | switch ( $this->getType() ) { |
| 95 | case self::TYPE_TEXT: |
| 96 | $search = MediaWikiServices::getInstance()->getSearchEngineFactory()->create( "CirrusSearch" ); |
| 97 | $search->setLimitOffset( 10000 ); |
| 98 | $sres = $search->searchText( $this->getExpr() ); |
| 99 | if ( $sres ) { |
| 100 | foreach ( $sres as $tres ) { |
| 101 | $revisionID = $tres->getTitle()->getLatestRevID(); |
| 102 | $this->resultSet[(string)$revisionID] = $tres; |
| 103 | $this->relevanceMap[] = $revisionID; |
| 104 | } |
| 105 | return true; |
| 106 | } |
| 107 | |
| 108 | return false; |
| 109 | |
| 110 | case self::TYPE_MATH: |
| 111 | $query = new MathQueryObject( $this->getExpr() ); |
| 112 | $cQuery = $query->getCQuery(); |
| 113 | if ( $cQuery ) { |
| 114 | $backend->setQuery( $query ); |
| 115 | if ( !$backend->postQuery() ) { |
| 116 | return false; |
| 117 | } |
| 118 | $this->relevanceMap = $backend->getRelevanceMap(); |
| 119 | $this->resultSet = $backend->getResultSet(); |
| 120 | } else { |
| 121 | return false; |
| 122 | } |
| 123 | break; |
| 124 | case self::TYPE_XMATH: |
| 125 | $query = new MathQueryObject( '' ); |
| 126 | $query->setXQuery( $this->getExpr() ); |
| 127 | $backend = new MathEngineBaseX( $query ); |
| 128 | $backend->setType( 'xquery' ); |
| 129 | if ( !$backend->postQuery() ) { |
| 130 | return false; |
| 131 | } |
| 132 | $this->relevanceMap = $backend->getRelevanceMap(); |
| 133 | $this->resultSet = $backend->getResultSet(); |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * @return array |
| 139 | */ |
| 140 | public function getResultSet() { |
| 141 | return $this->resultSet; |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * @return int[] |
| 146 | */ |
| 147 | public function getRelevanceMap() { |
| 148 | return $this->relevanceMap; |
| 149 | } |
| 150 | |
| 151 | public function getRevisionResult( $revisionId ) { |
| 152 | if ( array_key_exists( (string)$revisionId, $this->resultSet ) ) { |
| 153 | return $this->resultSet[(string)$revisionId]; |
| 154 | } |
| 155 | |
| 156 | return []; |
| 157 | } |
| 158 | |
| 159 | } |