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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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use Mustache_Engine; |
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/** |
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* Process string as Mustache template |
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*/ |
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class Mustache 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 $node) |
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{ |
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$template = $node->getInstruction($this); |
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if (!is_string($template) && !is_array($template) && !is_object($template)) { |
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return trigger_error("Unable to parse given template of type: " . gettype($template), E_WARNING); |
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} |
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$result = $this->getParsedResult($template); |
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$node->setResult($result); |
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} |
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/** |
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* Parse a template by mustache if possible and return the result |
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* |
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* @param mixed $template |
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* |
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* @return mixed $result |
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*/ |
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protected function getParsedResult($template) |
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{ |
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if (is_string($template)) { |
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return $this->parse($template); |
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} elseif (is_array($template)) { |
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return array_map([$this, 'parse'], $template); |
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} elseif (is_object($template)) { |
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return $this->parseObject($template); |
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} |
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return $template; |
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} |
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/** |
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* Parse an object with mustache |
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* |
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* @param object $template |
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* |
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* @return object $result |
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*/ |
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protected function parseObject($template) |
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{ |
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$result = new \stdClass(); |
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foreach ($template as $key => $value) { |
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$parsedKey = $this->parse($key); |
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$parsedValue = $this->getParsedResult($value); |
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$result->$parsedKey = $parsedValue; |
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} |
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return $result; |
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} |
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/** |
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* Parse as mustache template |
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* |
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* @param string $template |
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*/ |
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protected function parse($template) |
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{ |
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$data = get_object_vars($this->source) + ['@' => $this->target]; |
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$mustache = new Mustache_Engine(); |
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return $mustache->render($template, $data); |
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} |
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} |
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legalthings /
data-enricher
