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<?php |
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namespace Xiag\Rql\Parser; |
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use Xiag\Rql\Parser\Exception\UnknownNodeException; |
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use Xiag\Rql\Parser\Node\SelectNode; |
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use Xiag\Rql\Parser\Node\AbstractQueryNode; |
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use Xiag\Rql\Parser\Node\SortNode; |
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use Xiag\Rql\Parser\Node\LimitNode; |
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use Xiag\Rql\Parser\Node\Query\LogicalOperator\AndNode; |
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class QueryBuilder |
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{ |
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/** |
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* @var Query |
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*/ |
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protected $query; |
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public function __construct() |
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{ |
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$this->query = new Query(); |
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} |
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/** |
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* @param AbstractNode $node |
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* @return $this |
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*/ |
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public function addNode(AbstractNode $node) |
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{ |
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if ($node instanceof SelectNode) { |
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return $this->addSelect($node); |
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} elseif ($node instanceof AbstractQueryNode) { |
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return $this->addQuery($node); |
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} elseif ($node instanceof SortNode) { |
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return $this->addSort($node); |
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} elseif ($node instanceof LimitNode) { |
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return $this->addLimit($node); |
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} |
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throw new UnknownNodeException(sprintf('Unknown node type "%s" (%s)', $node->getNodeName(), get_class($node))); |
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} |
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/** |
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* @return Query |
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*/ |
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public function getQuery() |
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{ |
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return $this->query; |
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} |
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/** |
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* @param SelectNode $select |
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* @return $this |
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*/ |
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public function addSelect(SelectNode $select) |
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{ |
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$this->query->setSelect($select); |
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return $this; |
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} |
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/** |
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* @param AbstractQueryNode $query |
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* @return $this |
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*/ |
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public function addQuery(AbstractQueryNode $query) |
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{ |
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$current = $this->query->getQuery(); |
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if ($current === null) { |
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$this->query->setQuery($query); |
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} elseif ($current instanceof AndNode) { |
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$current->addQuery($query); |
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} else { |
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$this->query->setQuery(new AndNode([$current, $query])); |
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} |
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return $this; |
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} |
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/** |
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* @param SortNode $sort |
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* @return $this |
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*/ |
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public function addSort(SortNode $sort) |
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{ |
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$this->query->setSort($sort); |
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return $this; |
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} |
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/** |
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* @param LimitNode $limit |
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* @return $this |
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*/ |
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public function addLimit(LimitNode $limit) |
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{ |
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$this->query->setLimit($limit); |
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return $this; |
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} |
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} |
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xiag-ag /
rql-parser
