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<?php |
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/* |
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* This file is part of PommProject's Foundation package. |
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* |
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* (c) 2014 Grégoire HUBERT <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace PommProject\Foundation\Converter\Type; |
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/** |
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* Circle |
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* |
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* PHP representation of PostgreSQL circle type. |
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* |
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* @package Foundation |
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* @copyright 2014 Grégoire HUBERT |
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* @author Grégoire HUBERT |
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* @license X11 {@link http://opensource.org/licenses/mit-license.php} |
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*/ |
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class Circle |
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{ |
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public $center; |
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public $radius; |
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/** |
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* __construct |
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* |
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* Create a circle from a description string. |
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* |
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* @access public |
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* @param string $description |
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* @throws \InvalidArgumentException |
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*/ |
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public function __construct($description) |
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{ |
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$description = trim($description, ' <>'); |
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$elts = preg_split( |
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'/[,\s]*(\([^\)]+\))[,\s]*|[,\s]+/', |
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$description, |
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0, |
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PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE |
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); |
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if (count($elts) !== 2) { |
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throw new \InvalidArgumentException( |
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sprintf( |
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"Could not parse circle description '%s'.", |
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$description |
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) |
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); |
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} |
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$this->center = $this->createPointFrom($elts[0]); |
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$this->radius = (float) $elts[1]; |
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} |
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/** |
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* createPointFrom |
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* |
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* Create a point from a description. |
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* |
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* @access protected |
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* @param string $description |
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* @return Point |
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*/ |
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protected function createPointFrom($description) |
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{ |
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return new Point($description); |
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} |
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/** |
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* __toString |
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* |
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* Create a string representation of the Circle. |
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* Actually, it dumps a SQL compatible circle representation. |
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* |
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* @access public |
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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 sprintf( |
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"<%s,%s>", |
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(string) $this->center, |
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$this->radius |
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); |
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} |
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} |
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pomm-project /
Foundation
