diff --git a/src/Symfony/Component/Console/Cursor.php b/src/Symfony/Component/Console/Cursor.php
index 9f8be9649c522..9cedffe0033f3 100644
--- a/src/Symfony/Component/Console/Cursor.php
+++ b/src/Symfony/Component/Console/Cursor.php
@@ -163,6 +163,10 @@ public function getCurrentPosition(): array
sscanf($code, "\033[%d;%dR", $row, $col);
+ if (null === $row && null === $col) {
+ sscanf($code, "~\033[%d;%dR", $row, $col);
+ }
+
return [$col, $row];
}
}
diff --git a/src/Symfony/Component/Console/Helper/QuestionHelper.php b/src/Symfony/Component/Console/Helper/QuestionHelper.php
index f2583190da6e5..6386d9ec798ab 100644
--- a/src/Symfony/Component/Console/Helper/QuestionHelper.php
+++ b/src/Symfony/Component/Console/Helper/QuestionHelper.php
@@ -109,6 +109,8 @@ private function doAsk(OutputInterface $output, Question $question)
$inputStream = $this->inputStream ?: STDIN;
$autocomplete = $question->getAutocompleterCallback();
+ $cursor = new Cursor($output);
+
if (null === $autocomplete || !Terminal::hasSttyAvailable()) {
$ret = false;
if ($question->isHidden()) {
@@ -123,10 +125,80 @@ private function doAsk(OutputInterface $output, Question $question)
}
if (false === $ret) {
- $ret = fgets($inputStream, 4096);
- if (false === $ret) {
- throw new MissingInputException('Aborted.');
+ if (!Terminal::hasSttyAvailable()) {
+ $ret = fgets($inputStream, 4096);
+ if (false === $ret) {
+ throw new MissingInputException('Aborted.');
+ }
+ } else {
+ $sttyMode = shell_exec('stty -g');
+
+ shell_exec('stty -icanon -echo');
+
+ $k = null;
+ $string = '';
+
+ [$x] = $cursor->getCurrentPosition();
+
+ while (10 !== $k && 0 !== $k) {
+ [$pos] = $cursor->getCurrentPosition();
+ $pos -= $x;
+
+ $ret = fgetc($inputStream);
+ if (false === $ret && '' === $string) {
+ shell_exec(sprintf('stty %s', $sttyMode));
+ throw new MissingInputException('Aborted.');
+ }
+
+ $k = \ord($ret);
+
+ if (27 === $k) {
+ fgetc($inputStream);
+ $k = \ord(fgetc($inputStream));
+
+ switch (true) {
+ case 67 === $k && $pos < self::strlen($string):
+ $cursor->moveRight();
+ break;
+ case 68 === $k && $pos > 0:
+ $cursor->moveLeft();
+ break;
+ case 51 === $k && $pos >= 0:
+ $string = self::substr($string, 0, $pos).self::substr($string, $pos + 1);
+ $cursor->clearLineAfter();
+ $output->write(self::substr($string, $pos));
+ $cursor->moveToColumn($pos + $x);
+ break;
+ }
+ } elseif (127 === $k) {
+ if ($pos > 0) {
+ $string = self::substr($string, 0, $pos - 1).self::substr($string, $pos);
+
+ $cursor->moveToColumn($x);
+ $output->write($string);
+ $cursor->clearLineAfter()
+ ->moveToColumn(($pos + $x) - 1);
+ }
+ } elseif ($k >= 32 && $k <= 126) {
+ if ($pos > 0 && $pos < \strlen($string)) {
+ $string = self::substr($string, 0, $pos).$ret.self::substr($string, $pos);
+ $output->write($ret.self::substr($string, $pos + 1));
+ $cursor->clearLineAfter()
+ ->moveToColumn($pos + $x + 1);
+ } else {
+ $string .= $ret;
+ $output->write($ret);
+ }
+ } else {
+ $output->write($ret);
+ }
+ }
+
+ shell_exec(sprintf('stty %s', $sttyMode));
+
+ $ret = $string;
}
+
if ($question->isTrimmable()) {
$ret = trim($ret);
}
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