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<?php |
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namespace Dbtlr\PHPEnvBuilder; |
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use Dbtlr\PHPEnvBuilder\Exception\AskException; |
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use Dbtlr\PHPEnvBuilder\IOHandler\IOHandlerInterface; |
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class IO |
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{ |
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/** @var IOHandlerInterface */ |
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protected $handler; |
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/** |
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* IO constructor. |
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* |
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* @param IOHandlerInterface $handler |
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*/ |
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public function __construct(IOHandlerInterface $handler) |
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{ |
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$this->setHandler($handler); |
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} |
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/** |
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* Override the IO Handler. |
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* |
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* @param IOHandlerInterface $handler |
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*/ |
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public function setHandler(IOHandlerInterface $handler) |
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{ |
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$this->handler = $handler; |
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} |
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/** |
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* Ask a question. |
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* |
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* @throws AskException |
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* @param string $name |
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* @param string $question |
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* @param string $default |
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* @param bool $required |
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* @return string |
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*/ |
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public function ask(string $name, string $question, string $default = '', bool $required = false) |
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{ |
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$count = 0; |
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$maxAsks = 3; |
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while ($count++ < $maxAsks) { |
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$response = $this->in($question, $default); |
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if (!$required || !empty($response)) { |
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return $response; |
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} |
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$this->handler->out('A response is required...'); |
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} |
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throw new AskException($name, $maxAsks); |
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} |
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/** |
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* Output a message to the console. |
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* |
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* @param string $message |
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*/ |
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public function out(string $message) |
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{ |
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$this->handler->out($message); |
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} |
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/** |
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* Get input from the console. |
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* |
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* @param string $question |
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* @param string $default |
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* @return mixed |
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*/ |
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public function in(string $question, string $default = '') |
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{ |
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$formatted = sprintf('%s (%s):', $question, $default); |
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return $this->handler->in($formatted, $default); |
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} |
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} |
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dbtlr /
php-env-builder
