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<?php |
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declare(strict_types=1); |
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namespace Phln\Build\Command; |
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use Illuminate\Console\Command; |
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use Illuminate\View\Factory; |
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use Symfony\Component\Process\ProcessBuilder; |
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use const phln\collection\last; |
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use const phln\fn\T; |
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use const phln\object\keys; |
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use const phln\relation\𝑓equals; |
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use function phln\collection\{ |
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filter, join, map, reject |
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}; |
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use function phln\fn\{ |
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always, compose, partial, pipe |
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}; |
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use function phln\logic\cond; |
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use function phln\object\prop; |
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use function phln\relation\equals; |
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use function phln\string\{ |
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match, replace, split |
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}; |
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class CreateBundleCommand extends Command |
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{ |
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protected $signature = 'create:bundle'; |
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private $filters = []; |
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/** |
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* @var Factory |
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*/ |
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private $view; |
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private $destFile = __DIR__.'/../../src/Phln.php'; |
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public function __construct(Factory $view) |
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{ |
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parent::__construct(); |
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$this->view = $view; |
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$this->filters = [ |
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'phln_all' => filter(match('#^phln\\\\#u')), |
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'phln_noncurried' => reject(match('#phln\\\\\w+\\\\𝑓\w+#u')), |
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]; |
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} |
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public function handle() |
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{ |
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$this->output->writeln('Building bundle'); |
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$this->output->writeln('Collecting functions and constants'); |
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$functions = $this->getFunctions(); |
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$constants = $this->getConstants(); |
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$this->output->writeln('Rendering..'); |
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try { |
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$this->saveFile($functions, $constants); |
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$this->output->writeln('Done'); |
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} catch (\Exception $e) { |
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$this->output->writeln('<error>Failed to create bundle</error>'); |
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$this->output->writeln($e->getMessage()); |
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} |
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} |
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private function getReturnTypeSource(\ReflectionType $reflectionType = null): string |
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{ |
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if (true === is_null($reflectionType)) { |
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return ''; |
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} |
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return sprintf( |
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': %s%s', |
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$reflectionType->isBuiltin() ? '' : '\\', |
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$reflectionType |
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); |
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} |
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private function saveFile(array $functions, array $constants) |
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{ |
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$tmpFile = $this->destFile.'.tmp'; |
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file_put_contents($tmpFile, $this->renderClass($functions, $constants)); |
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try { |
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$this->validateGeneratedSources($tmpFile); |
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rename($tmpFile, $this->destFile); |
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} finally { |
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if (file_exists($tmpFile)) { |
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unlink($tmpFile); |
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} |
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} |
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} |
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private function validateGeneratedSources(string $filePath) |
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{ |
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ProcessBuilder::create(['php', '-l', realpath($filePath)]) |
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->getProcess() |
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->mustRun(); |
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} |
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private function renderClass(array $functions, array $constants) |
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{ |
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return $this->view->make('phln-class') |
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->with(compact('functions', 'constants')) |
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->render(); |
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} |
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private function getFunctions(): array |
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{ |
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$getName = function (callable $fn) { |
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$reflection = new \ReflectionFunction($fn); |
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$parameters = $reflection->getParameters(); |
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return [ |
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'name' => compose([last, split('\\')])($reflection->getName()), |
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'fqn' => $reflection->getName(), |
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'parameters' => $this->getParametersSource($parameters), |
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'returnType' => $this->getReturnTypeSource($reflection->getReturnType()), |
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'doc' => $this->getFunctionDocumentation($reflection), |
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]; |
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}; |
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$f = pipe([ |
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compose([prop('user'), '\\get_defined_functions']), |
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$this->filters['phln_all'], |
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$this->filters['phln_noncurried'], |
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map($getName), |
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reject(compose([ |
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match('/@internal/'), |
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prop('doc'), |
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])) |
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]); |
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return $f(); |
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} |
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private function getConstants(): array |
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{ |
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$f = pipe([ |
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compose([keys, prop('user'), '\\get_defined_constants', T]), |
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$this->filters['phln_all'], |
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$this->filters['phln_noncurried'], |
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map(function ($constName) { |
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return [ |
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'fqn' => $constName, |
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'name' => compose([last, split('\\')])($constName), |
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]; |
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}), |
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]); |
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return $f(); |
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} |
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/** |
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* @param \ReflectionParameter[] $parameters |
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* @return array |
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*/ |
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private function getParametersSource(array $parameters): array |
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{ |
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$mapParameters = function (\ReflectionParameter $parameter) { |
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$data = [ |
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'name' => $parameter->getName(), |
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'variadic' => $parameter->isVariadic(), |
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'type' => $parameter->getType(), |
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]; |
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try { |
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$data['defaultValue'] = $parameter->getDefaultValue(); |
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} catch (\ReflectionException $e) { |
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} |
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return $data; |
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}; |
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$mappedParams = map($mapParameters, $parameters); |
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$definition = $this->getParametersDefinition($mappedParams); |
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return compact('definition'); |
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} |
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private function getParametersDefinition(array $parameters) |
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{ |
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$exportDefaultValue = cond([ |
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[equals([]), always('[]')], |
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[T, function ($value) { |
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return var_export($value, true); |
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}], |
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]); |
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$toSrc = function ($param) use ($exportDefaultValue) { |
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$base = sprintf( |
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'%s%s$%s', |
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empty($param['type']) ? '' : "{$param['type']} ", |
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$param['variadic'] ? '...' : '', |
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$param['name'] |
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); |
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if (true === array_key_exists('defaultValue', $param)) { |
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$defaultValue = $param['defaultValue']; |
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$base .= sprintf(' = %s', $exportDefaultValue($defaultValue)); |
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} |
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return $base; |
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}; |
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return pipe([ |
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map($toSrc), |
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join(', '), |
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])($parameters); |
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} |
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private function getFunctionDocumentation(\ReflectionFunction $function): string |
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{ |
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$getDoc = pipe([ |
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[$function, 'getDocComment'], |
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replace('/^/gm', ' '), |
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replace('/\\\\phln\\\\\w+\\\\(\w+)(\()?/g', 'P::$1$2'), |
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replace('/phln\\\\\w+\\\\(\w+)/g', 'P::$1'), |
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]); |
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return $getDoc(); |
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} |
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} |
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baethon /
phln
