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| KeywordNodeVisitor | |
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| visitWordsQueryNode | |
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| visitPhraseQueryNode | |
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| visitKeywordFeatureNode | |
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| filterKeyword | |
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| doVisitKeyword | n/a |
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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch\Parser\AST\Visitor; |
| 4 | |
| 5 | use CirrusSearch\Parser\AST\EmptyQueryNode; |
| 6 | use CirrusSearch\Parser\AST\FuzzyNode; |
| 7 | use CirrusSearch\Parser\AST\KeywordFeatureNode; |
| 8 | use CirrusSearch\Parser\AST\PhrasePrefixNode; |
| 9 | use CirrusSearch\Parser\AST\PhraseQueryNode; |
| 10 | use CirrusSearch\Parser\AST\PrefixNode; |
| 11 | use CirrusSearch\Parser\AST\WildcardNode; |
| 12 | use CirrusSearch\Parser\AST\WordsQueryNode; |
| 13 | |
| 14 | /** |
| 15 | * Simple KeywordFeatureNode visitor |
| 16 | */ |
| 17 | abstract class KeywordNodeVisitor extends LeafVisitor { |
| 18 | |
| 19 | /** |
| 20 | * @var string[] class names to accept (empty to accept all) |
| 21 | */ |
| 22 | private $keywordClasses; |
| 23 | |
| 24 | /** |
| 25 | * @param array $excludeOccurs list of boolean accurence type to ignore |
| 26 | * @param array $keywordClasses list of KeywordFeature classes to accept (empty to accept them all) |
| 27 | */ |
| 28 | public function __construct( array $excludeOccurs = [], array $keywordClasses = [] ) { |
| 29 | parent::__construct( $excludeOccurs ); |
| 30 | $this->keywordClasses = $keywordClasses; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * @param WordsQueryNode $node |
| 35 | */ |
| 36 | final public function visitWordsQueryNode( WordsQueryNode $node ) { |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * @param PhraseQueryNode $node |
| 41 | */ |
| 42 | final public function visitPhraseQueryNode( PhraseQueryNode $node ) { |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * @param PhrasePrefixNode $node |
| 47 | */ |
| 48 | final public function visitPhrasePrefixNode( PhrasePrefixNode $node ) { |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * @param FuzzyNode $node |
| 53 | */ |
| 54 | final public function visitFuzzyNode( FuzzyNode $node ) { |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @param PrefixNode $node |
| 59 | */ |
| 60 | final public function visitPrefixNode( PrefixNode $node ) { |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * @param WildcardNode $node |
| 65 | */ |
| 66 | final public function visitWildcardNode( WildcardNode $node ) { |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * @param EmptyQueryNode $node |
| 71 | */ |
| 72 | final public function visitEmptyQueryNode( EmptyQueryNode $node ) { |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * @param KeywordFeatureNode $node |
| 77 | */ |
| 78 | final public function visitKeywordFeatureNode( KeywordFeatureNode $node ) { |
| 79 | if ( $this->filterKeyword( $node ) ) { |
| 80 | $this->doVisitKeyword( $node ); |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * @param KeywordFeatureNode $node |
| 86 | * @return bool |
| 87 | */ |
| 88 | private function filterKeyword( KeywordFeatureNode $node ) { |
| 89 | if ( $this->keywordClasses === [] ) { |
| 90 | return true; |
| 91 | } |
| 92 | foreach ( $this->keywordClasses as $class ) { |
| 93 | if ( $node->getKeyword() instanceof $class ) { |
| 94 | return true; |
| 95 | } |
| 96 | } |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * @param KeywordFeatureNode $node |
| 102 | */ |
| 103 | abstract public function doVisitKeyword( KeywordFeatureNode $node ); |
| 104 | } |