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ResolverManager.php
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ResolverManager.php
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<?php
namespace Concrete\Core\Url\Resolver\Manager;
use Concrete\Core\Url\Resolver\UrlResolverInterface;
class ResolverManager implements ResolverManagerInterface
{
/**
* @var string[][]
*/
protected $priorityTree = [];
/**
* @var \Concrete\Core\Url\Resolver\UrlResolverInterface[]
*/
protected $resolvers;
/**
* @var string
*/
protected $default;
/**
* @param string $default_handle
* @param \Concrete\Core\Url\Resolver\UrlResolverInterface|null $default_resolver
*/
public function __construct($default_handle = '', UrlResolverInterface $default_resolver = null)
{
if ($default_resolver) {
$this->addResolver($default_handle, $default_resolver);
}
$this->default = $default_handle;
}
/**
* {@inheritdoc}
*
* @see \Concrete\Core\Url\Resolver\Manager\ResolverManagerInterface::addResolver()
*/
public function addResolver($handle, UrlResolverInterface $resolver, $priority = 512)
{
$priority = min(1024, max(1, (int) $priority));
$this->resolvers[$handle] = $resolver;
if (!isset($this->priorityTree[$priority])) {
$this->priorityTree[$priority] = [];
ksort($this->priorityTree);
}
$this->priorityTree[$priority][] = $handle;
}
/**
* {@inheritdoc}
*
* @see \Concrete\Core\Url\Resolver\Manager\ResolverManagerInterface::getDefaultResolver()
*/
public function getDefaultResolver()
{
return $this->getResolver($this->default);
}
/**
* {@inheritdoc}
*
* @see \Concrete\Core\Url\Resolver\Manager\ResolverManagerInterface::getResolver()
*/
public function getResolver($handle)
{
return array_get($this->resolvers, $handle, null);
}
/**
* @return \Concrete\Core\Url\Resolver\UrlResolverInterface[]
*/
public function getResolvers()
{
return $this->resolvers;
}
/**
* {@inheritdoc}
*
* @see \Concrete\Core\Url\Resolver\Manager\ResolverManagerInterface::resolve()
*/
public function resolve(array $args)
{
$resolved = null;
foreach ($this->priorityTree as $list) {
foreach ($list as $handle) {
if ($handle == $this->default) {
continue;
}
$resolver = $this->getResolver($handle);
$resolved = $resolver->resolve($args, $resolved);
}
}
if ($default = $this->getResolver($this->default)) {
$resolved = $default->resolve($args, $resolved);
}
return $resolved;
}
}