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<?php |
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namespace LegalThings\DataEnricher\Processor; |
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use LegalThings\DataEnricher\Node; |
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use LegalThings\DataEnricher\Processor; |
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use LegalThings\DataEnricher\Processor\Helper; |
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/** |
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* Choose one of the child properties based on a property in the document |
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*/ |
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class SwitchChoose implements Processor |
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{ |
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use Processor\Implementation, |
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Helper\GetByReference |
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{ |
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Helper\GetByReference::withSourceAndTarget insteadof Processor\Implementation; |
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} |
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/** |
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* Apply processing to a single node |
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* |
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* @param Node $node |
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*/ |
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public function applyToNode(Node $node) |
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{ |
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$instruction = $node->getInstruction($this); |
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1 |
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// for bc |
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if (is_string($instruction)) { |
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$cases = $node->getResult(); |
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1 |
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$result = $this->choose($instruction, $cases); |
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return $node->setResult($result); |
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} |
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if (is_array($instruction) || is_object($instruction)) { |
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$instruction = (object)$instruction; |
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} |
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if (!isset($instruction->on) || !isset($instruction->options)) { |
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return; |
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} |
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1 |
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$instruction->options = (object)$instruction->options; |
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$result = isset($instruction->default) ? $instruction->default : null; |
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if (isset($instruction->options->{$instruction->on})) { |
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$result = $instruction->options->{$instruction->on}; |
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} |
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$node->setResult($result); |
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} |
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/** |
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* Choose on of the cases |
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* |
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* @param string $ref Property name of source |
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* @param object $cases |
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* @return mixed |
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*/ |
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protected function choose($ref, $cases) |
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{ |
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$test = $this->getByReference($ref, $this->source, $this->target); |
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return isset($cases->$test) ? $cases->$test : null; |
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} |
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} |
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legalthings /
data-enricher
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.