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<?php |
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/** |
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* AbstractToken.php |
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* |
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* @date 28.03.2015 2:49:42 |
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* @copyright Sklyarov Alexey <[email protected]> |
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*/ |
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namespace Sufir\Calc\Token; |
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use Sufir\Calc\Token; |
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/** |
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* AbstractToken |
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* |
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* Description of AbstractToken |
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* |
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* @author Sklyarov Alexey <[email protected]> |
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* @package Sufir\Calc\Token |
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*/ |
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abstract class AbstractToken implements Token |
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{ |
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* |
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* @var mixed |
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*/ |
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protected $value; |
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/** |
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* |
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* @param string $value |
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* @return \Sufir\Calc\Token\AbstractToken |
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*/ |
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public function __construct($value) |
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{ |
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if (!$this->validate($value)) { |
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throw new \InvalidArgumentException("Недопустимое значение {$value} для токена " . __CLASS__ . "!"); |
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} |
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$this->value = $this->sanitize($value); |
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return $this; |
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} |
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/** |
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* |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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* |
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* @return boolean |
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*/ |
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public function isNumber() |
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{ |
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return ($this instanceof NumberToken); |
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} |
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* |
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* @return boolean |
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*/ |
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public function isFunction() |
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{ |
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return ($this instanceof FunctionToken); |
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} |
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* |
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* @return boolean |
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*/ |
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public function isOperator() |
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{ |
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return ($this instanceof OperatorToken); |
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} |
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/** |
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* |
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* @return boolean |
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*/ |
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public function isBracket() |
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{ |
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return ($this instanceof BracketToken); |
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} |
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* |
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* @return boolean |
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*/ |
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public function isVariable() |
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{ |
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return ($this instanceof VariableToken); |
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} |
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* |
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* @return boolean |
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*/ |
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public function isDelimiter() |
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{ |
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return ($this instanceof DelimiterToken); |
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} |
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/** |
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* |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return strval($this->getValue()); |
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} |
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/** |
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* |
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* @param string $value |
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* @return mixed |
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*/ |
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abstract protected function sanitize($value); |
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/** |
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* |
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* @param string $value |
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* @return boolean |
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*/ |
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abstract protected function validate($value); |
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} |
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Sufir /
php-calc
Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.