Viewing file:  ClassAliasAutoloader.php (3.7 KB) -rw-r--r--
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<?php
namespace Laravel\Tinker;
use Illuminate\Support\Str;
use Psy\Shell;
class ClassAliasAutoloader
{
/**
* The shell instance.
*
* @var \Psy\Shell
*/
protected $shell;
/**
* All of the discovered classes.
*
* @var array
*/
protected $classes = [];
/**
* Path to the vendor directory.
*
* @var string
*/
protected $vendorPath;
/**
* Explicitly included namespaces/classes.
*
* @var \Illuminate\Support\Collection
*/
protected $includedAliases;
/**
* Excluded namespaces/classes.
*
* @var \Illuminate\Support\Collection
*/
protected $excludedAliases;
/**
* Register a new alias loader instance.
*
* @param \Psy\Shell $shell
* @param string $classMapPath
* @param array $includedAliases
* @param array $excludedAliases
* @return static
*/
public static function register(Shell $shell, $classMapPath, array $includedAliases = [], array $excludedAliases = [])
{
return tap(new static($shell, $classMapPath, $includedAliases, $excludedAliases), function ($loader) {
spl_autoload_register([$loader, 'aliasClass']);
});
}
/**
* Create a new alias loader instance.
*
* @param \Psy\Shell $shell
* @param string $classMapPath
* @param array $includedAliases
* @param array $excludedAliases
* @return void
*/
public function __construct(Shell $shell, $classMapPath, array $includedAliases = [], array $excludedAliases = [])
{
$this->shell = $shell;
$this->vendorPath = dirname(dirname($classMapPath));
$this->includedAliases = collect($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;
}
}
}
/**
* Find the closest class by name.
*
* @param string $class
* @return void
*/
public function aliasClass($class)
{
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, $class);
}
}
/**
* Unregister the alias loader instance.
*
* @return void
*/
public function unregister()
{
spl_autoload_unregister([$this, 'aliasClass']);
}
/**
* Handle the destruction of the instance.
*
* @return void
*/
public function __destruct()
{
$this->unregister();
}
/**
* Whether a class may be aliased.
*
* @param string $class
* @param string $path
*/
public function isAliasable($class, $path)
{
if (! Str::contains($class, '\\')) {
return false;
}
if (! $this->includedAliases->filter(function ($alias) use ($class) {
return Str::startsWith($class, $alias);
})->isEmpty()) {
return true;
}
if (Str::startsWith($path, $this->vendorPath)) {
return false;
}
if (! $this->excludedAliases->filter(function ($alias) use ($class) {
return Str::startsWith($class, $alias);
})->isEmpty()) {
return false;
}
return true;
}
}
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