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ClassAliasAutoloader.php
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135 lines (110 loc) · 3.29 KB
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<?php
declare(strict_types=1);
/**
* This file is part of friendsofhyperf/components.
*
* @link https://github.com/friendsofhyperf/components
* @document https://github.com/friendsofhyperf/components/blob/main/README.md
* @contact [email protected]
*/
namespace FriendsOfHyperf\Tinker;
use Hyperf\Collection\Collection;
use Psy\Shell;
use function Hyperf\Collection\collect;
use function Hyperf\Support\class_basename;
use function Hyperf\Tappable\tap;
class ClassAliasAutoloader
{
/**
* All of the discovered classes.
*/
protected array $classes = [];
/**
* Path to the vendor directory.
*/
protected string $vendorPath;
/**
* Explicitly included namespaces/classes.
*/
protected Collection $includedAliases;
/**
* Excluded namespaces/classes.
*/
protected Collection $excludedAliases;
/**
* Create a new alias loader instance.
*/
public function __construct(protected Shell $shell, string $classMapPath, array $includedAliases = [], array $excludedAliases = [])
{
$this->vendorPath = dirname($classMapPath, 2);
$this->includedAliases = collect($includedAliases);
$this->excludedAliases = collect($excludedAliases);
$classes = require $classMapPath;
foreach ($classes as $class => $path) {
if (! $this->isAliasable($class, $path)) {
continue;
}
$name = class_basename($class);
if (! isset($this->classes[$name])) {
$this->classes[$name] = $class;
}
}
}
/**
* Handle the destruction of the instance.
*/
public function __destruct()
{
$this->unregister();
}
/**
* Register a new alias loader instance.
*/
public static function register(Shell $shell, string $classMapPath, array $includedAliases = [], array $excludedAliases = []): static
{
return tap(
new static($shell, $classMapPath, $includedAliases, $excludedAliases),
fn ($loader) => spl_autoload_register([$loader, 'aliasClass'])
);
}
/**
* Find the closest class by name.
*/
public function aliasClass(string $class): void
{
if (str_contains($class, '\\')) {
return;
}
$fullName = $this->classes[$class] ?? false;
if ($fullName) {
$this->shell->writeStdout("[!] Aliasing '{$class}' to '{$fullName}' for this Tinker session.\n");
class_alias($fullName, $class);
}
}
/**
* Unregister the alias loader instance.
*/
public function unregister(): void
{
spl_autoload_unregister([$this, 'aliasClass']);
}
/**
* Whether a class may be aliased.
*/
public function isAliasable(string $class, string $path): bool
{
if (! str_contains($class, '\\')) {
return false;
}
if (! $this->includedAliases->contains(fn ($alias) => str_starts_with($class, $alias))) {
return true;
}
if (str_starts_with($path, $this->vendorPath)) {
return false;
}
if (! $this->excludedAliases->contains(fn ($alias) => str_starts_with($class, $alias))) {
return false;
}
return true;
}
}