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<?php |
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declare(strict_types = 1); |
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namespace Stratadox\Specification; |
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use Stratadox\Specification\Binary\AndSpecification; |
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use Stratadox\Specification\Binary\OrSpecification; |
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use Stratadox\Specification\Binary\XorSpecification; |
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use Stratadox\Specification\Contract\Satisfiable; |
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use Stratadox\Specification\Contract\Specifies; |
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use Stratadox\Specification\Unary\NotSpecification; |
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trait Specifying |
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{ |
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/** @see Specifies::not() */ |
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public function not() : Specifies |
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{ |
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/** @var Specifying|Satisfiable $this */ |
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return $this->doesNotSatisfy($this); |
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} |
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/** @see Specifies::and() */ |
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public function and(Satisfiable $other) : Specifies |
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{ |
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/** @var Specifying|Satisfiable $this */ |
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return $this->satisfiesBoth($this, $other); |
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} |
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/** @see Specifies::or() */ |
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public function or(Satisfiable $other) : Specifies |
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{ |
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/** @var Specifying|Satisfiable $this */ |
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return $this->oneOfThese($this, $other); |
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} |
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/** @see Specifies::xor() */ |
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public function xor(Satisfiable $other) : Specifies |
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{ |
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/** @var Specifying|Satisfiable $this */ |
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return new XorSpecification($this, $other); |
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} |
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/** @see Specifies::nor() */ |
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public function nor(Satisfiable $other) : Specifies |
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{ |
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return $this->not()->andNot($other); |
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} |
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/** @see Specifies::andNot() */ |
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public function andNot(Satisfiable $other) : Specifies |
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{ |
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return $this->and($this->doesNotSatisfy($other)); |
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} |
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/** @see Specifies::butNot() */ |
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public function butNot(Satisfiable $other) : Specifies |
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{ |
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return $this->andNot($other); |
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} |
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/** @see Specifies::orNot() */ |
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public function orNot(Satisfiable $other) : Specifies |
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{ |
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return $this->or($this->doesNotSatisfy($other)); |
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} |
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// Private |
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private function doesNotSatisfy(Satisfiable $condition) : Specifies |
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{ |
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return new NotSpecification($condition); |
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} |
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private function satisfiesBoth(Satisfiable $firstCondition, Satisfiable $secondCondition) : Specifies |
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{ |
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return new AndSpecification($firstCondition, $secondCondition); |
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} |
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private function oneOfThese(Satisfiable $firstCondition, Satisfiable $secondCondition) : Specifies |
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{ |
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return new OrSpecification($firstCondition, $secondCondition); |
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} |
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} |
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Stratadox /
Specification
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