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