Current File : //home/silvzytp/crm-dub-code/vendor/laravel/framework/src/Illuminate/Routing/MiddlewareNameResolver.php
<?php
namespace Illuminate\Routing;
use Closure;
class MiddlewareNameResolver
{
/**
* Resolve the middleware name to a class name(s) preserving passed parameters.
*
* @param \Closure|string $name
* @param array $map
* @param array $middlewareGroups
* @return \Closure|string|array
*/
public static function resolve($name, $map, $middlewareGroups)
{
// When the middleware is simply a Closure, we will return this Closure instance
// directly so that Closures can be registered as middleware inline, which is
// convenient on occasions when the developers are experimenting with them.
if ($name instanceof Closure) {
return $name;
}
if (isset($map[$name]) && $map[$name] instanceof Closure) {
return $map[$name];
}
// If the middleware is the name of a middleware group, we will return the array
// of middlewares that belong to the group. This allows developers to group a
// set of middleware under single keys that can be conveniently referenced.
if (isset($middlewareGroups[$name])) {
return static::parseMiddlewareGroup($name, $map, $middlewareGroups);
}
// Finally, when the middleware is simply a string mapped to a class name the
// middleware name will get parsed into the full class name and parameters
// which may be run using the Pipeline which accepts this string format.
[$name, $parameters] = array_pad(explode(':', $name, 2), 2, null);
return ($map[$name] ?? $name).(! is_null($parameters) ? ':'.$parameters : '');
}
/**
* Parse the middleware group and format it for usage.
*
* @param string $name
* @param array $map
* @param array $middlewareGroups
* @return array
*/
protected static function parseMiddlewareGroup($name, $map, $middlewareGroups)
{
$results = [];
foreach ($middlewareGroups[$name] as $middleware) {
// If the middleware is another middleware group we will pull in the group and
// merge its middleware into the results. This allows groups to conveniently
// reference other groups without needing to repeat all their middlewares.
if (isset($middlewareGroups[$middleware])) {
$results = array_merge($results, static::parseMiddlewareGroup(
$middleware, $map, $middlewareGroups
));
continue;
}
[$middleware, $parameters] = array_pad(
explode(':', $middleware, 2), 2, null
);
// If this middleware is actually a route middleware, we will extract the full
// class name out of the middleware list now. Then we'll add the parameters
// back onto this class' name so the pipeline will properly extract them.
if (isset($map[$middleware])) {
$middleware = $map[$middleware];
}
$results[] = $middleware.($parameters ? ':'.$parameters : '');
}
return $results;
}
}
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