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[Console] Fix #10795: Allow instancing Console Application when STDIN is not declared

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This commit is contained in:
Romain Neutron 2014-04-28 14:32:01 +02:00
parent 8ef8a1d289
commit 3a5a525aee
1 changed files with 11 additions and 14 deletions
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25
src/Symfony/Component/Console/Helper/QuestionHelper.php
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@ -28,11 +28,6 @@ class QuestionHelper extends Helper
private static $shell;
private static $stty;
public function __construct()
{
$this->inputStream = STDIN;
}
/**
* Asks a question to the user.
*
@ -114,6 +109,8 @@ class QuestionHelper extends Helper
*/
public function doAsk(OutputInterface $output, Question $question)
{
$inputStream = $this->inputStream ?: STDIN;
$message = $question->getQuestion();
if ($question instanceof ChoiceQuestion) {
$width = max(array_map('strlen', array_keys($question->getChoices())));
@ -135,7 +132,7 @@ class QuestionHelper extends Helper
$ret = false;
if ($question->isHidden()) {
try {
$ret = trim($this->getHiddenResponse($output));
$ret = trim($this->getHiddenResponse($output, $inputStream));
} catch (\RuntimeException $e) {
if (!$question->isHiddenFallback()) {
throw $e;
@ -144,14 +141,14 @@ class QuestionHelper extends Helper
}
if (false === $ret) {
$ret = fgets($this->inputStream, 4096);
$ret = fgets($inputStream, 4096);
if (false === $ret) {
throw new \RuntimeException('Aborted');
}
$ret = trim($ret);
}
} else {
$ret = trim($this->autocomplete($output, $question));
$ret = trim($this->autocomplete($output, $question, $inputStream));
}
$ret = strlen($ret) > 0 ? $ret : $question->getDefault();
@ -171,7 +168,7 @@ class QuestionHelper extends Helper
*
* @return string
*/
private function autocomplete(OutputInterface $output, Question $question)
private function autocomplete(OutputInterface $output, Question $question, $inputStream)
{
$autocomplete = $question->getAutocompleterValues();
$ret = '';
@ -190,8 +187,8 @@ class QuestionHelper extends Helper
$output->getFormatter()->setStyle('hl', new OutputFormatterStyle('black', 'white'));
// Read a keypress
while (!feof($this->inputStream)) {
$c = fread($this->inputStream, 1);
while (!feof($inputStream)) {
$c = fread($inputStream, 1);
// Backspace Character
if ("\177" === $c) {
@ -212,7 +209,7 @@ class QuestionHelper extends Helper
// Pop the last character off the end of our string
$ret = substr($ret, 0, $i);
} elseif ("\033" === $c) { // Did we read an escape sequence?
$c .= fread($this->inputStream, 2);
$c .= fread($inputStream, 2);
// A = Up Arrow. B = Down Arrow
if ('A' === $c[2] || 'B' === $c[2]) {
@ -289,7 +286,7 @@ class QuestionHelper extends Helper
*
* @throws \RuntimeException In case the fallback is deactivated and the response cannot be hidden
*/
private function getHiddenResponse(OutputInterface $output)
private function getHiddenResponse(OutputInterface $output, $inputStream)
{
if (defined('PHP_WINDOWS_VERSION_BUILD')) {
$exe = __DIR__.'/../Resources/bin/hiddeninput.exe';
@ -315,7 +312,7 @@ class QuestionHelper extends Helper
$sttyMode = shell_exec('stty -g');
shell_exec('stty -echo');
$value = fgets($this->inputStream, 4096);
$value = fgets($inputStream, 4096);
shell_exec(sprintf('stty %s', $sttyMode));
if (false === $value) {