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<?php
/* this file is part of pipelines */
namespace Ktomk\Pipelines\File;
/**
* image name parser and value object
*/
class ImageName
{
* @var string
private $name;
* Is a Docker image name (optionally with a tag) syntactically
* valid?
*
* @see doc/DOCKER-NAME-TAG.md
* @param string $name of docker image
* @return bool
public static function validate($name)
$pattern =
'{^' .
'([a-zA-Z0-9.-]+(:[0-9]+)?/)?' . # <prefix>
'([a-z0-9]+(?:(?:\.|__?|-+)[a-z0-9]+)*)(/[a-z0-9]+(?:(?:\.|__?|-+)[a-z0-9]+)*)*' . # <name-components>
'(:[a-zA-Z0-9_][a-zA-Z0-9_.-]{0,127})?' . # <tag-name>
'$}';
$result = preg_match($pattern, $name);
return 1 === $result;
}
* @param string $name
public function __construct($name)
$this->parse($name);
private function parse($name)
if (!self::validate($name)) {
ParseException::__(sprintf(
"'image' invalid Docker image name: '%s'",
$name
));
$this->name = (string)$name;
public function __toString()
return $this->name;
ktomk /
pipelines
