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<?php |
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/** |
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* File containing the {@see Mailcode_Parser_Safeguard_DelimiterValidator} class. |
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* |
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* @package Mailcode |
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* @subpackage Parser |
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* @see Mailcode_Parser_Safeguard_DelimiterValidator |
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*/ |
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declare(strict_types=1); |
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namespace Mailcode; |
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use AppUtils\OperationResult; |
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use stdClass; |
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/** |
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* Utility class used to validate a safeguard placeholder delimiter |
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* string, to ensure it conforms to the placeholder requirements. |
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* |
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* @package Mailcode |
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* @subpackage Parser |
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* @author Sebastian Mordziol <[email protected]> |
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*/ |
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class Mailcode_Parser_Safeguard_DelimiterValidator extends OperationResult |
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{ |
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const ERROR_EMPTY_DELIMITER = 73601; |
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const ERROR_INVALID_DELIMITER = 73602; |
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const ERROR_DELIMITER_TOO_SHORT = 73603; |
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const ERROR_NUMBERS_IN_DELIMITER = 73604; |
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/** |
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* @var string |
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*/ |
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private $delimiter; |
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public function __construct(string $delimiter) |
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{ |
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parent::__construct(new stdClass()); |
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$this->delimiter = $delimiter; |
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$this->validate(); |
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} |
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private function validate() : OperationResult |
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{ |
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if(empty($this->delimiter)) |
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{ |
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return $this->makeError( |
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'Delimiters may not be empty.', |
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self::ERROR_EMPTY_DELIMITER |
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); |
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} |
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if(strlen($this->delimiter) < 2) |
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{ |
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return $this->makeError( |
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'The delimiter must have at least 2 characters in length.', |
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self::ERROR_DELIMITER_TOO_SHORT |
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); |
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} |
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if(!preg_match('/\A[^0-9*].*[^0-9*]\z/x', $this->delimiter)) |
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{ |
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return $this->makeError( |
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'The delimiter may not begin or end with a number.', |
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self::ERROR_NUMBERS_IN_DELIMITER |
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); |
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} |
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if(strstr($this->delimiter, '*') !== false) |
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{ |
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return $this->makeError( |
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'The delimiter may not contain the * character.', |
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self::ERROR_INVALID_DELIMITER |
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); |
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} |
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return $this; |
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} |
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public function throwExceptionIfInvalid() : void |
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{ |
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if($this->isValid()) { |
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return; |
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} |
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throw new Mailcode_Exception( |
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$this->getErrorMessage(), |
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'Delimiter: ['.$this->delimiter.']', |
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$this->getCode() |
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); |
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} |
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} |
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