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<?php |
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namespace PeacefulBit\Packet\Modules\Logic; |
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use function Nerd\Common\Arrays\all; |
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use function Nerd\Common\Arrays\any; |
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use PeacefulBit\Packet\Exception\RuntimeException; |
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use PeacefulBit\Packet\Nodes\NativeNode; |
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use PeacefulBit\Packet\Visitors\NodeCalculatorVisitor; |
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function export() |
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{ |
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return [ |
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'or' => new NativeNode('or', function (NodeCalculatorVisitor $visitor, array $arguments) { |
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$predicate = function ($item) use ($visitor) { |
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$visit = $visitor->getVisitor($item); |
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return !!$visit($item); |
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}; |
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return any($arguments, $predicate); |
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}), |
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View Code Duplication |
'and' => new NativeNode('and', function (NodeCalculatorVisitor $visitor, array $arguments) { |
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$predicate = function ($item) use ($visitor) { |
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$visit = $visitor->getVisitor($item); |
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return !!$visit($item); |
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}; |
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return all($arguments, $predicate); |
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}), |
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View Code Duplication |
'not' => new NativeNode('not', function (NodeCalculatorVisitor $visitor, array $arguments) { |
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return all($arguments, function ($argument) use ($visitor) { |
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$visit = $visitor->getVisitor($argument); |
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return !$visit($argument); |
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}); |
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}), |
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View Code Duplication |
'if' => new NativeNode('if', function (NodeCalculatorVisitor $visitor, array $arguments) { |
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if (sizeof($arguments) != 3) { |
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throw new RuntimeException("Function 'if' accepts only three arguments"); |
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} |
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list ($exp, $cons, $alt) = $arguments; |
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$visitExp = $visitor->getVisitor($exp); |
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$visitCons = $visitor->getVisitor($cons); |
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$visitAlt = $visitor->getVisitor($alt); |
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return $visitExp($exp) ? $visitCons($cons) : $visitAlt($alt); |
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}), |
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View Code Duplication |
'unless' => new NativeNode('unless', function (NodeCalculatorVisitor $visitor, array $arguments) { |
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if (sizeof($arguments) != 3) { |
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throw new RuntimeException("Function 'unless' accepts only three arguments"); |
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} |
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list ($exp, $cons, $alt) = $arguments; |
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$visitExp = $visitor->getVisitor($exp); |
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$visitCons = $visitor->getVisitor($cons); |
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$visitAlt = $visitor->getVisitor($alt); |
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return $visitExp($exp) ? $visitAlt($alt) : $visitCons($cons); |
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}) |
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]; |
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} |
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.