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<?php |
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namespace Consolidation\OutputFormatters\Exception; |
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use Consolidation\OutputFormatters\FormatterInterface; |
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/** |
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* Represents an incompatibility between the output data and selected formatter. |
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*/ |
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class IncompatibleDataException extends \Exception |
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{ |
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public function __construct(FormatterInterface $formatter, $data, $allowedTypes) |
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{ |
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$formatterDescription = get_class($formatter); |
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$dataDescription = static::describeDataType($data); |
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$allowedTypesDescription = static::describeAllowedTypes($allowedTypes); |
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$message = "Data provided to $formatterDescription must be $allowedTypesDescription. Instead, $dataDescription was provided."; |
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parent::__construct($message, 1); |
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} |
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protected static function describeDataType($data) |
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{ |
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if ($data instanceof \ReflectionClass) { |
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return 'an instance of ' . $data->getName(); |
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} |
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if (is_object($data)) { |
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return 'an instance of ' . get_class($data); |
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} |
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if (is_array($data)) { |
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return 'an array'; |
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} |
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if (is_string($data)) { |
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return 'a string'; |
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} |
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return '<' . var_export($data) . '>'; |
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} |
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protected static function describeAllowedTypes($allowedTypes) |
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{ |
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if (is_array($allowedTypes) && !empty($allowedTypes)) { |
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if (count($allowedTypes > 1)) { |
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return static::describeListOfAllowedTypes($allowedTypes); |
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} |
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$allowedTypes = $allowedTypes[0]; |
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} |
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return static::describeDataType($allowedTypes); |
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} |
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protected static function describeListOfAllowedTypes($allowedTypes) |
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{ |
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$descriptions = []; |
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foreach ($allowedTypes as $oneAllowedType) { |
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$descriptions[] = static::describeDataType($oneAllowedType); |
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} |
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if (count($descriptions) == 2) { |
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return "either {$descriptions[0]} or {$descriptions[1]}"; |
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} |
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$lastDescription = array_pop($descriptions); |
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$otherDescriptions = implode(', ', $descriptions); |
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return "one of $otherDescriptions or $lastDescription"; |
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} |
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} |
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consolidation /
output-formatters
