DialogHelper.php

Ir para a documentação deste ficheiro.

<?php
 
namespace Symfony\Component\Console\Helper;
 
use Symfony\Component\Console\Output\OutputInterface;
 
/*
 * This file is part of the Symfony framework.
 *
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */
 
class DialogHelper extends Helper
{
    public function ask(OutputInterface $output, $question, $default = null)
    {
        // @codeCoverageIgnoreStart
        $output->writeln($question);
 
        $ret = trim(fgets(STDIN));
 
        return $ret ? $ret : $default;
        // @codeCoverageIgnoreEnd
    }
 
    public function askConfirmation(OutputInterface $output, $question, $default = true)
    {
        // @codeCoverageIgnoreStart
        $answer = 'z';
        while ($answer && !in_array(strtolower($answer[0]), array('y', 'n'))) {
            $answer = $this->ask($output, $question);
        }
 
        if (false === $default) {
            return $answer && 'y' == strtolower($answer[0]);
        } else {
            return !$answer || 'y' == strtolower($answer[0]);
        }
        // @codeCoverageIgnoreEnd
    }
 
    public function askAndValidate(OutputInterface $output, $question, \Closure $validator, $attempts = false)
    {
        // @codeCoverageIgnoreStart
        $error = null;
        while (false === $attempts || $attempts--) {
            if (null !== $error) {
                $output->writeln($this->getHelperSet()->get('formatter')->formatBlock($error->getMessage(), 'error'));
            }
 
            $value = $this->ask($output, $question, null);
 
            try {
                return $validator($value);
            } catch (\Exception $error) {
            }
        }
 
        throw $error;
        // @codeCoverageIgnoreEnd
    }
 
    public function getName()
    {
        return 'dialog';
    }
}