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Diffstat (limited to 'vendor/symfony/console/Helper/DialogHelper.php')
| -rw-r--r-- | vendor/symfony/console/Helper/DialogHelper.php | 502 |
1 files changed, 0 insertions, 502 deletions
diff --git a/vendor/symfony/console/Helper/DialogHelper.php b/vendor/symfony/console/Helper/DialogHelper.php deleted file mode 100644 index 9ce9f661..00000000 --- a/vendor/symfony/console/Helper/DialogHelper.php +++ /dev/null @@ -1,502 +0,0 @@ -<?php - -/* - * This file is part of the Symfony package. - * - * (c) Fabien Potencier <fabien@symfony.com> - * - * For the full copyright and license information, please view the LICENSE - * file that was distributed with this source code. - */ - -namespace Symfony\Component\Console\Helper; - -use Symfony\Component\Console\Exception\InvalidArgumentException; -use Symfony\Component\Console\Exception\RuntimeException; -use Symfony\Component\Console\Output\ConsoleOutputInterface; -use Symfony\Component\Console\Output\OutputInterface; -use Symfony\Component\Console\Formatter\OutputFormatterStyle; - -/** - * The Dialog class provides helpers to interact with the user. - * - * @author Fabien Potencier <fabien@symfony.com> - * - * @deprecated since version 2.5, to be removed in 3.0. - * Use {@link \Symfony\Component\Console\Helper\QuestionHelper} instead. - */ -class DialogHelper extends InputAwareHelper -{ - private $inputStream; - private static $shell; - private static $stty; - - public function __construct($triggerDeprecationError = true) - { - if ($triggerDeprecationError) { - @trigger_error('"Symfony\Component\Console\Helper\DialogHelper" is deprecated since version 2.5 and will be removed in 3.0. Use "Symfony\Component\Console\Helper\QuestionHelper" instead.', E_USER_DEPRECATED); - } - } - - /** - * Asks the user to select a value. - * - * @param OutputInterface $output An Output instance - * @param string|array $question The question to ask - * @param array $choices List of choices to pick from - * @param bool|string $default The default answer if the user enters nothing - * @param bool|int $attempts Max number of times to ask before giving up (false by default, which means infinite) - * @param string $errorMessage Message which will be shown if invalid value from choice list would be picked - * @param bool $multiselect Select more than one value separated by comma - * - * @return int|string|array The selected value or values (the key of the choices array) - * - * @throws InvalidArgumentException - */ - public function select(OutputInterface $output, $question, $choices, $default = null, $attempts = false, $errorMessage = 'Value "%s" is invalid', $multiselect = false) - { - if ($output instanceof ConsoleOutputInterface) { - $output = $output->getErrorOutput(); - } - - $width = max(array_map('strlen', array_keys($choices))); - - $messages = (array) $question; - foreach ($choices as $key => $value) { - $messages[] = sprintf(" [<info>%-{$width}s</info>] %s", $key, $value); - } - - $output->writeln($messages); - - $result = $this->askAndValidate($output, '> ', function ($picked) use ($choices, $errorMessage, $multiselect) { - // Collapse all spaces. - $selectedChoices = str_replace(' ', '', $picked); - - if ($multiselect) { - // Check for a separated comma values - if (!preg_match('/^[a-zA-Z0-9_-]+(?:,[a-zA-Z0-9_-]+)*$/', $selectedChoices, $matches)) { - throw new InvalidArgumentException(sprintf($errorMessage, $picked)); - } - $selectedChoices = explode(',', $selectedChoices); - } else { - $selectedChoices = array($picked); - } - - $multiselectChoices = array(); - - foreach ($selectedChoices as $value) { - if (empty($choices[$value])) { - throw new InvalidArgumentException(sprintf($errorMessage, $value)); - } - $multiselectChoices[] = $value; - } - - if ($multiselect) { - return $multiselectChoices; - } - - return $picked; - }, $attempts, $default); - - return $result; - } - - /** - * Asks a question to the user. - * - * @param OutputInterface $output An Output instance - * @param string|array $question The question to ask - * @param string $default The default answer if none is given by the user - * @param array $autocomplete List of values to autocomplete - * - * @return string The user answer - * - * @throws RuntimeException If there is no data to read in the input stream - */ - public function ask(OutputInterface $output, $question, $default = null, array $autocomplete = null) - { - if ($this->input && !$this->input->isInteractive()) { - return $default; - } - - if ($output instanceof ConsoleOutputInterface) { - $output = $output->getErrorOutput(); - } - - $output->write($question); - - $inputStream = $this->inputStream ?: STDIN; - - if (null === $autocomplete || !$this->hasSttyAvailable()) { - $ret = fgets($inputStream, 4096); - if (false === $ret) { - throw new RuntimeException('Aborted'); - } - $ret = trim($ret); - } else { - $ret = ''; - - $i = 0; - $ofs = -1; - $matches = $autocomplete; - $numMatches = count($matches); - - $sttyMode = shell_exec('stty -g'); - - // Disable icanon (so we can fread each keypress) and echo (we'll do echoing here instead) - shell_exec('stty -icanon -echo'); - - // Add highlighted text style - $output->getFormatter()->setStyle('hl', new OutputFormatterStyle('black', 'white')); - - // Read a keypress - while (!feof($inputStream)) { - $c = fread($inputStream, 1); - - // Backspace Character - if ("\177" === $c) { - if (0 === $numMatches && 0 !== $i) { - --$i; - // Move cursor backwards - $output->write("\033[1D"); - } - - if ($i === 0) { - $ofs = -1; - $matches = $autocomplete; - $numMatches = count($matches); - } else { - $numMatches = 0; - } - - // Pop the last character off the end of our string - $ret = substr($ret, 0, $i); - } elseif ("\033" === $c) { - // Did we read an escape sequence? - $c .= fread($inputStream, 2); - - // A = Up Arrow. B = Down Arrow - if (isset($c[2]) && ('A' === $c[2] || 'B' === $c[2])) { - if ('A' === $c[2] && -1 === $ofs) { - $ofs = 0; - } - - if (0 === $numMatches) { - continue; - } - - $ofs += ('A' === $c[2]) ? -1 : 1; - $ofs = ($numMatches + $ofs) % $numMatches; - } - } elseif (ord($c) < 32) { - if ("\t" === $c || "\n" === $c) { - if ($numMatches > 0 && -1 !== $ofs) { - $ret = $matches[$ofs]; - // Echo out remaining chars for current match - $output->write(substr($ret, $i)); - $i = strlen($ret); - } - - if ("\n" === $c) { - $output->write($c); - break; - } - - $numMatches = 0; - } - - continue; - } else { - $output->write($c); - $ret .= $c; - ++$i; - - $numMatches = 0; - $ofs = 0; - - foreach ($autocomplete as $value) { - // If typed characters match the beginning chunk of value (e.g. [AcmeDe]moBundle) - if (0 === strpos($value, $ret) && $i !== strlen($value)) { - $matches[$numMatches++] = $value; - } - } - } - - // Erase characters from cursor to end of line - $output->write("\033[K"); - - if ($numMatches > 0 && -1 !== $ofs) { - // Save cursor position - $output->write("\0337"); - // Write highlighted text - $output->write('<hl>'.substr($matches[$ofs], $i).'</hl>'); - // Restore cursor position - $output->write("\0338"); - } - } - - // Reset stty so it behaves normally again - shell_exec(sprintf('stty %s', $sttyMode)); - } - - return strlen($ret) > 0 ? $ret : $default; - } - - /** - * Asks a confirmation to the user. - * - * The question will be asked until the user answers by nothing, yes, or no. - * - * @param OutputInterface $output An Output instance - * @param string|array $question The question to ask - * @param bool $default The default answer if the user enters nothing - * - * @return bool true if the user has confirmed, false otherwise - */ - public function askConfirmation(OutputInterface $output, $question, $default = true) - { - $answer = 'z'; - while ($answer && !in_array(strtolower($answer[0]), array('y', 'n'))) { - $answer = $this->ask($output, $question); - } - - if (false === $default) { - return $answer && 'y' == strtolower($answer[0]); - } - - return !$answer || 'y' == strtolower($answer[0]); - } - - /** - * Asks a question to the user, the response is hidden. - * - * @param OutputInterface $output An Output instance - * @param string|array $question The question - * @param bool $fallback In case the response can not be hidden, whether to fallback on non-hidden question or not - * - * @return string The answer - * - * @throws RuntimeException In case the fallback is deactivated and the response can not be hidden - */ - public function askHiddenResponse(OutputInterface $output, $question, $fallback = true) - { - if ($output instanceof ConsoleOutputInterface) { - $output = $output->getErrorOutput(); - } - - if ('\\' === DIRECTORY_SEPARATOR) { - $exe = __DIR__.'/../Resources/bin/hiddeninput.exe'; - - // handle code running from a phar - if ('phar:' === substr(__FILE__, 0, 5)) { - $tmpExe = sys_get_temp_dir().'/hiddeninput.exe'; - copy($exe, $tmpExe); - $exe = $tmpExe; - } - - $output->write($question); - $value = rtrim(shell_exec($exe)); - $output->writeln(''); - - if (isset($tmpExe)) { - unlink($tmpExe); - } - - return $value; - } - - if ($this->hasSttyAvailable()) { - $output->write($question); - - $sttyMode = shell_exec('stty -g'); - - shell_exec('stty -echo'); - $value = fgets($this->inputStream ?: STDIN, 4096); - shell_exec(sprintf('stty %s', $sttyMode)); - - if (false === $value) { - throw new RuntimeException('Aborted'); - } - - $value = trim($value); - $output->writeln(''); - - return $value; - } - - if (false !== $shell = $this->getShell()) { - $output->write($question); - $readCmd = $shell === 'csh' ? 'set mypassword = $<' : 'read -r mypassword'; - $command = sprintf("/usr/bin/env %s -c 'stty -echo; %s; stty echo; echo \$mypassword'", $shell, $readCmd); - $value = rtrim(shell_exec($command)); - $output->writeln(''); - - return $value; - } - - if ($fallback) { - return $this->ask($output, $question); - } - - throw new RuntimeException('Unable to hide the response'); - } - - /** - * Asks for a value and validates the response. - * - * The validator receives the data to validate. It must return the - * validated data when the data is valid and throw an exception - * otherwise. - * - * @param OutputInterface $output An Output instance - * @param string|array $question The question to ask - * @param callable $validator A PHP callback - * @param int|false $attempts Max number of times to ask before giving up (false by default, which means infinite) - * @param string $default The default answer if none is given by the user - * @param array $autocomplete List of values to autocomplete - * - * @return mixed - * - * @throws \Exception When any of the validators return an error - */ - public function askAndValidate(OutputInterface $output, $question, $validator, $attempts = false, $default = null, array $autocomplete = null) - { - $that = $this; - - $interviewer = function () use ($output, $question, $default, $autocomplete, $that) { - return $that->ask($output, $question, $default, $autocomplete); - }; - - return $this->validateAttempts($interviewer, $output, $validator, $attempts); - } - - /** - * Asks for a value, hide and validates the response. - * - * The validator receives the data to validate. It must return the - * validated data when the data is valid and throw an exception - * otherwise. - * - * @param OutputInterface $output An Output instance - * @param string|array $question The question to ask - * @param callable $validator A PHP callback - * @param int|false $attempts Max number of times to ask before giving up (false by default, which means infinite) - * @param bool $fallback In case the response can not be hidden, whether to fallback on non-hidden question or not - * - * @return string The response - * - * @throws \Exception When any of the validators return an error - * @throws RuntimeException In case the fallback is deactivated and the response can not be hidden - */ - public function askHiddenResponseAndValidate(OutputInterface $output, $question, $validator, $attempts = false, $fallback = true) - { - $that = $this; - - $interviewer = function () use ($output, $question, $fallback, $that) { - return $that->askHiddenResponse($output, $question, $fallback); - }; - - return $this->validateAttempts($interviewer, $output, $validator, $attempts); - } - - /** - * Sets the input stream to read from when interacting with the user. - * - * This is mainly useful for testing purpose. - * - * @param resource $stream The input stream - */ - public function setInputStream($stream) - { - $this->inputStream = $stream; - } - - /** - * Returns the helper's input stream. - * - * @return resource|null The input stream or null if the default STDIN is used - */ - public function getInputStream() - { - return $this->inputStream; - } - - /** - * {@inheritdoc} - */ - public function getName() - { - return 'dialog'; - } - - /** - * Return a valid Unix shell. - * - * @return string|bool The valid shell name, false in case no valid shell is found - */ - private function getShell() - { - if (null !== self::$shell) { - return self::$shell; - } - - self::$shell = false; - - if (file_exists('/usr/bin/env')) { - // handle other OSs with bash/zsh/ksh/csh if available to hide the answer - $test = "/usr/bin/env %s -c 'echo OK' 2> /dev/null"; - foreach (array('bash', 'zsh', 'ksh', 'csh') as $sh) { - if ('OK' === rtrim(shell_exec(sprintf($test, $sh)))) { - self::$shell = $sh; - break; - } - } - } - - return self::$shell; - } - - private function hasSttyAvailable() - { - if (null !== self::$stty) { - return self::$stty; - } - - exec('stty 2>&1', $output, $exitcode); - - return self::$stty = $exitcode === 0; - } - - /** - * Validate an attempt. - * - * @param callable $interviewer A callable that will ask for a question and return the result - * @param OutputInterface $output An Output instance - * @param callable $validator A PHP callback - * @param int|false $attempts Max number of times to ask before giving up; false will ask infinitely - * - * @return string The validated response - * - * @throws \Exception In case the max number of attempts has been reached and no valid response has been given - */ - private function validateAttempts($interviewer, OutputInterface $output, $validator, $attempts) - { - if ($output instanceof ConsoleOutputInterface) { - $output = $output->getErrorOutput(); - } - - $e = null; - while (false === $attempts || $attempts--) { - if (null !== $e) { - $output->writeln($this->getHelperSet()->get('formatter')->formatBlock($e->getMessage(), 'error')); - } - - try { - return call_user_func($validator, $interviewer()); - } catch (\Exception $e) { - } - } - - throw $e; - } -} |