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<?php |
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namespace mpyw\Co\Internal; |
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class CoOption implements \ArrayAccess |
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{ |
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/** |
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* Field types. |
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*/ |
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const TYPES = [ |
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'throw' => 'Bool', // Throw CURLExceptions? |
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'pipeline' => 'Bool', // Use HTTP/1.1 pipelining? |
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'multiplex' => 'Bool', // Use HTTP/2 multiplexing? |
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'interval' => 'NaturalFloat', // curl_multi_select() timeout |
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'concurrency' => 'NaturalInt', // Limit of TCP connections |
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]; |
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/** |
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* Default values. |
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* @var array |
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*/ |
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private static $defaults = [ |
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'throw' => true, |
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'pipeline' => false, |
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'multiplex' => true, |
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'interval' => 0.5, |
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'concurrency' => 6, |
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]; |
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/** |
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* Actual values. |
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* @var array |
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*/ |
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private $options; |
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/** |
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* Set default options. |
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* @param array $options |
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*/ |
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public static function setDefault(array $options) |
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{ |
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self::$defaults = self::validateOptions($options) + self::$defaults; |
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} |
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/** |
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* Get default options. |
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* @return array $options |
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*/ |
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public static function getDefault() |
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{ |
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return self::$defaults; |
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} |
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/** |
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* Constructor. |
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* @param array $options |
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*/ |
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public function __construct(array $options = []) |
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{ |
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$this->options = self::validateOptions($options) + self::$defaults; |
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} |
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/** |
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* Reconfigure to get new instance. |
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* @return CoOption |
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*/ |
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public function reconfigure(array $options) |
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{ |
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return new self($options + $this->options); |
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} |
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/** |
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* Implemention of ArrayAccess. |
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* @param mixed $offset |
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* @return bool |
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*/ |
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1 |
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public function offsetExists($offset) |
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1 |
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{ |
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return isset($this->options[$offset]); |
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} |
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/** |
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* Implemention of ArrayAccess. |
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* @param mixed $offset |
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* @return mixed |
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*/ |
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public function offsetGet($offset) |
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{ |
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if (!isset($this->options[$offset])) { |
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throw new \DomainException('Undefined field: ' + $offset); |
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} |
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return $this->options[$offset]; |
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} |
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/** |
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* Implemention of ArrayAccess. |
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* @param mixed $offset |
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* @param mixed $value |
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* @throws BadMethodCallException |
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*/ |
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1 |
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public function offsetSet($offset, $value) |
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1 |
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{ |
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throw new \BadMethodCallException('The instance of CoOptions is immutable.'); |
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} |
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/** |
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* Implemention of ArrayAccess. |
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* @param mixed $offset |
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* @throws BadMethodCallException |
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*/ |
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public function offsetUnset($offset) |
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1 |
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{ |
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throw new \BadMethodCallException('The instance of CoOptions is immutable.'); |
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} |
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/** |
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* Validate options. |
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* @param array $options |
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* @return array |
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*/ |
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36 |
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private static function validateOptions(array $options) |
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36 |
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{ |
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foreach ($options as $key => $value) { |
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if (!isset(self::TYPES[$key])) { |
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throw new \InvalidArgumentException("Unknown option: $key"); |
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} |
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$validator = [__CLASS__, 'validate' . self::TYPES[$key]]; |
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$options[$key] = $validator($key, $value); |
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} |
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return $options; |
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} |
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/** |
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* Validate bool value. |
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* @param string $key |
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* @param mixed $value |
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* @throws InvalidArgumentException |
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* @return bool |
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*/ |
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private static function validateBool($key, $value) |
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{ |
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$value = filter_var($value, FILTER_VALIDATE_BOOLEAN, [ |
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'flags' => FILTER_NULL_ON_FAILURE, |
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]); |
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if ($value === null) { |
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throw new \InvalidArgumentException("Option[$key] must be boolean."); |
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} |
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return $value; |
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} |
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/** |
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* Validate natural float value. |
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* @param string $key |
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* @param mixed $value |
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* @throws InvalidArgumentException |
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* @return float |
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*/ |
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View Code Duplication |
private static function validateNaturalFloat($key, $value) |
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{ |
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$value = filter_var($value, FILTER_VALIDATE_FLOAT); |
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if ($value === false || $value < 0.0) { |
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throw new \InvalidArgumentException("Option[$key] must be positive float or zero."); |
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} |
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return $value; |
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} |
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/** |
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* Validate natural int value. |
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* @param string $key |
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* @param mixed $value |
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* @throws InvalidArgumentException |
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* @return int |
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*/ |
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15 |
View Code Duplication |
private static function validateNaturalInt($key, $value) |
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{ |
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$value = filter_var($value, FILTER_VALIDATE_INT); |
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if ($value === false || $value < 0) { |
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throw new \InvalidArgumentException("Option[$key] must be positive integer or zero."); |
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} |
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return $value; |
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} |
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} |
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mpyw /
co
