<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\WebLink;
use Psr\Link\EvolvableLinkProviderInterface;
use Psr\Link\LinkInterface;
class GenericLinkProvider implements EvolvableLinkProviderInterface
{
/**
* @var LinkInterface[]
*/
private $links = [];
/**
* @param LinkInterface[] $links
*/
public function __construct(array $links = [])
{
$that = $this;
foreach ($links as $link) {
$that = $that->withLink($link);
}
$this->links = $that->links;
}
/**
* {@inheritdoc}
*/
public function getLinks(): array
{
return array_values($this->links);
}
/**
* {@inheritdoc}
*/
public function getLinksByRel($rel): array
{
$links = [];
foreach ($this->links as $link) {
if (\in_array($rel, $link->getRels())) {
$links[] = $link;
}
}
return $links;
}
/**
* {@inheritdoc}
*
* @return static
*/
public function withLink(LinkInterface $link)
{
$that = clone $this;
$that->links[spl_object_id($link)] = $link;
return $that;
}
/**
* {@inheritdoc}
*
* @return static
*/
public function withoutLink(LinkInterface $link)
{
$that = clone $this;
unset($that->links[spl_object_id($link)]);
return $that;
}
}