75 lines
1.7 KiB
PHP
75 lines
1.7 KiB
PHP
<?php
|
|
/* Icinga Web 2 | (c) 2020 Icinga GmbH | GPLv2+ */
|
|
|
|
namespace Icinga\Application;
|
|
|
|
use ArrayIterator;
|
|
use IteratorAggregate;
|
|
use Icinga\Application\Libraries\Library;
|
|
|
|
class Libraries implements IteratorAggregate
|
|
{
|
|
/** @var Library[] */
|
|
protected $libraries = [];
|
|
|
|
/**
|
|
* Iterate over registered libraries
|
|
*
|
|
* @return ArrayIterator
|
|
*/
|
|
public function getIterator()
|
|
{
|
|
return new ArrayIterator($this->libraries);
|
|
}
|
|
|
|
/**
|
|
* Register a library from the given path
|
|
*
|
|
* @param string $path
|
|
*
|
|
* @return Library The registered library
|
|
*/
|
|
public function registerPath($path)
|
|
{
|
|
$library = new Library($path);
|
|
$this->libraries[] = $library;
|
|
|
|
return $library;
|
|
}
|
|
|
|
/**
|
|
* Check if a library with the given name has been registered
|
|
*
|
|
* Passing a version constraint also verifies that the library's version matches.
|
|
*
|
|
* @param string $name
|
|
* @param string $version
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function has($name, $version = null)
|
|
{
|
|
$libVersion = null;
|
|
foreach ($this->libraries as $library) {
|
|
if ($library->getName() === $name) {
|
|
$libVersion = $library->getVersion();
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($libVersion === null) {
|
|
return false;
|
|
} elseif ($version === null) {
|
|
return true;
|
|
}
|
|
|
|
$operator = '=';
|
|
if (preg_match('/^([<>=]{1,2})\s*v?((?:[\d.]+)(?:\D+)?)$/', $version, $match)) {
|
|
$operator = $match[1];
|
|
$version = $match[2];
|
|
}
|
|
|
|
return version_compare($libVersion, $version, $operator);
|
|
}
|
|
}
|