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<?php
namespace Laminas\Code\Generator\EnumGenerator;
use Laminas\Code\Generator\EnumGenerator\Cases\BackedCases;
use Laminas\Code\Generator\EnumGenerator\Cases\CaseFactory;
use Laminas\Code\Generator\EnumGenerator\Cases\PureCases;
use ReflectionEnum;
use function array_map;
use function implode;
/** @psalm-immutable */
final class EnumGenerator
{
/**
* Line feed to use in place of EOL
*/
private const LINE_FEED = "\n";
/**
* spaces of indentation by default
*/
private const INDENTATION = ' ';
private Name $name;
/** @var BackedCases|PureCases */
private $cases;
/**
* @param BackedCases|PureCases $cases
*/
private function __construct(Name $name, $cases)
{
$this->name = $name;
$this->cases = $cases;
}
public function generate(): string
{
$output = '';
if (null !== $this->name->getNamespace()) {
$output .= 'namespace ' . $this->name->getNamespace() . ';' . self::LINE_FEED . self::LINE_FEED;
}
return $output . 'enum ' . $this->name->getName() . $this->retrieveType() . ' {'
. self::LINE_FEED
. $this->retrieveCases()
. '}'
. self::LINE_FEED;
}
private function retrieveType(): string
{
if ($this->cases instanceof BackedCases) {
return ': ' . $this->cases->type;
}
return '';
}
private function retrieveCases(): string
{
return implode(
'',
array_map(
fn (string $case): string => self::INDENTATION . 'case ' . $case . ';' . self::LINE_FEED,
$this->cases->cases
)
);
}
/**
* @psalm-param array{
* name: non-empty-string,
* pureCases: list<non-empty-string>,
* }|array{
* name: non-empty-string,
* backedCases: array{
* type: 'int'|'string',
* cases: array<non-empty-string, int|non-empty-string>,
* },
* } $options
*/
public static function withConfig(array $options): self
{
return new self(
Name::fromFullyQualifiedClassName($options['name']),
CaseFactory::fromOptions($options),
);
}
public static function fromReflection(ReflectionEnum $enum): self
{
return new self(
Name::fromFullyQualifiedClassName($enum->getName()),
CaseFactory::fromReflectionCases($enum),
);
}
}