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<?php |
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/** |
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* Copyright © 2018 Thomas Klein, All rights reserved. |
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* See LICENSE bundled with this library for license details. |
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*/ |
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declare(strict_types=1); |
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namespace LogicTree\Operator; |
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use LogicTree\Operator\Comparator\EmptyOperator; |
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use LogicTree\Operator\Comparator\EqOperator; |
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use LogicTree\Operator\Comparator\GteqOperator; |
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use LogicTree\Operator\Comparator\GtOperator; |
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use LogicTree\Operator\Comparator\IdenOperator; |
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use LogicTree\Operator\Comparator\LteqOperator; |
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use LogicTree\Operator\Comparator\LtOperator; |
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use LogicTree\Operator\Comparator\NeqOperator; |
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use LogicTree\Operator\Comparator\NidenOperator; |
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use LogicTree\Operator\Comparator\NullOperator; |
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use LogicTree\Operator\Comparator\RegexpOperator; |
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use LogicTree\Operator\Logical\AndOperator; |
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use LogicTree\Operator\Logical\NandOperator; |
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use LogicTree\Operator\Logical\NorOperator; |
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use LogicTree\Operator\Logical\OrOperator; |
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use LogicTree\Operator\Logical\XnorOperator; |
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use LogicTree\Operator\Logical\XorOperator; |
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/** |
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* Class OperatorPool |
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* @api |
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*/ |
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final class OperatorPool |
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{ |
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public const TYPE_LOGICAL = 'logical'; |
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public const TYPE_COMPARATOR = 'comparator'; |
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/** |
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* Default operators code and class name listed by types |
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* |
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* @var array |
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*/ |
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private const DEFAULT_OPERATORS = [ |
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OperatorPool::TYPE_COMPARATOR => [ |
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EmptyOperator::CODE => EmptyOperator::class, |
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EqOperator::CODE => EqOperator::class, |
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GteqOperator::CODE => GteqOperator::class, |
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GtOperator::CODE => GtOperator::class, |
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IdenOperator::CODE => IdenOperator::class, |
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LteqOperator::CODE => LteqOperator::class, |
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LtOperator::CODE => LtOperator::class, |
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NeqOperator::CODE => NeqOperator::class, |
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NidenOperator::CODE => NidenOperator::class, |
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NullOperator::CODE => NullOperator::class, |
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RegexpOperator::CODE => RegexpOperator::class, |
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], |
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OperatorPool::TYPE_LOGICAL => [ |
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AndOperator::CODE => AndOperator::class, |
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OrOperator::CODE => OrOperator::class, |
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XorOperator::CODE => XorOperator::class, |
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NandOperator::CODE => NandOperator::class, |
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NorOperator::CODE => NorOperator::class, |
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XnorOperator::CODE => XnorOperator::class, |
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], |
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]; |
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/** |
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* Operators list |
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* |
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* @var array[\LogicTree\Operator\OperatorInterface[]] |
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*/ |
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private $operators = []; |
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/** |
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* OperatorPool constructor |
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* |
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* @param array $operators Operators object listed by types |
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*/ |
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public function __construct(array $operators = []) |
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{ |
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$typeOperators = \array_replace_recursive($this->retrieveDefaultOperators(), $operators); |
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foreach ($typeOperators as $type => $operatorList) { |
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foreach ($operatorList as $operatorCode => $operator) { |
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$this->addOperator($type, $operatorCode, $operator); |
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} |
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} |
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} |
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/** |
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* Retrieve an operator by its type and code |
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* |
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* @param string $type |
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* @param string $operatorCode |
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* @return \LogicTree\Operator\OperatorInterface |
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*/ |
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public function getOperator(string $type, string $operatorCode): OperatorInterface |
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{ |
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if (!isset($this->operators[$type][$operatorCode])) { |
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throw new \LogicException( |
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\sprintf('No registered operator for the type "%s" and code "%s".', $type, $operatorCode) |
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); |
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} |
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return $this->operators[$type][$operatorCode]; |
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} |
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/** |
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* Add an operator by its type and code |
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* |
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* @param string $type |
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* @param string $operatorCode |
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* @param \LogicTree\Operator\OperatorInterface $operator |
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* @return \LogicTree\Operator\OperatorPool |
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*/ |
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public function addOperator(string $type, string $operatorCode, OperatorInterface $operator): OperatorPool |
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{ |
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if (!isset($this->operators[$type][$operatorCode])) { |
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if (!isset($this->operators[$type])) { |
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$this->operators[$type] = []; |
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} |
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$this->operators[$type][$operatorCode] = $operator; |
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} |
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return $this; |
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} |
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/** |
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* Retrieve the default instantiated operators |
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* |
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* @return array |
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*/ |
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private function retrieveDefaultOperators(): array |
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{ |
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return \array_map(function ($operators) { |
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return \array_map(function ($operator) { |
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return new $operator(); |
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}, $operators); |
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}, self::DEFAULT_OPERATORS); |
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} |
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} |
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thomas-blackbird /
php-combine-conditions
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