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101 lines (88 loc) · 2.8 KB
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<?php declare(strict_types=1);
namespace AdrianGreen\String\Extensions;
use AdrianGreen\String\{Exceptions\UnknownExtensionException, StringBuffer};
class Loader
{
public const EXTENSION_CONVENTION = 'convention';
public const EXTENSION_CONDITIONS = 'conditions';
public const EXTENSION_HASHES = 'hashes';
public const EXTENSION_LISTER = 'lister';
public const EXTENSION_MANIPULATOR = 'manipulator';
public const EXTENSION_PARSER = 'parser';
public const EXTENSION_PROPERTIES = 'properties';
public const EXTENSION_TRANSFORMER = 'transformer';
public const EXTENSION_URL = 'url';
public const EXTENSION_PROCESS = 'process';
/**
* @var array
*/
private array $classMap = [
self::EXTENSION_CONVENTION => Convention::class,
self::EXTENSION_CONDITIONS => Conditions::class,
self::EXTENSION_HASHES => Hashes::class,
self::EXTENSION_MANIPULATOR => Manipulator::class,
self::EXTENSION_LISTER => Lister::class,
self::EXTENSION_PARSER => Parser::class,
self::EXTENSION_PROPERTIES => Properties::class,
self::EXTENSION_TRANSFORMER => Transformer::class,
self::EXTENSION_URL => Url::class,
self::EXTENSION_PROCESS => Process::class,
];
/**
* @var array
*/
protected array $extensionCache = [];
/**
* @var array
*/
protected array $extensionMethods = [];
/**
* @var StringBuffer
*/
private StringBuffer $string;
/**
* Loader constructor.
*
* @param StringBuffer $string
*/
public function __construct(StringBuffer $string)
{
$this->string = $string;
foreach ($this->classMap as $key => $class) {
$this->extensionMethods[ $key ] = \get_class_methods($class);
}
}
/**
* @param string $extension
*
* @return AbstractExtension
* @throws UnknownExtensionException
*/
public function factory(string $extension): AbstractExtension
{
if (!\array_key_exists($extension, $this->classMap)) {
throw new UnknownExtensionException($extension);
}
if (!isset($this->extensionCache[ $extension ])) {
$this->extensionCache[ $extension ] = new $this->classMap[$extension]($this->string);
}
return $this->extensionCache[ $extension ];
}
/**
* @param string $extension
* @param string $method
*
* @return bool
*/
public function extensionHasMethod(string $extension, string $method): bool
{
return \in_array($method, $this->extensionMethods[$extension], true);
}
/**
* @return array
*/
public function getExtensions(): array
{
return \array_keys($this->classMap);
}
}