/**
* Overwrites a previous message to the output.
*
* @param string $message The message
*/
private function overwrite($message)
{
$lines = explode("\n", $message);
// append whitespace to match the line's length
if (null !== $this->lastMessagesLength) {
foreach ($lines as $i => $line) {
if ($this->lastMessagesLength > Helper::strlenWithoutDecoration($this->output->getFormatter(), $line)) {
$lines[$i] = str_pad($line, $this->lastMessagesLength, " ", STR_PAD_RIGHT);
}
}
}
// move back to the beginning of the progress bar before redrawing it
$this->output->write("\r");
if ($this->formatLineCount) {
$this->output->write(sprintf("[%dA", $this->formatLineCount));
}
$this->output->write(implode("\n", $lines));
$this->lastMessagesLength = 0;
foreach ($lines as $line) {
$len = Helper::strlenWithoutDecoration($this->output->getFormatter(), $line);
if ($len > $this->lastMessagesLength) {
$this->lastMessagesLength = $len;
}
}
}
/**
* Renders table cell with padding.
*
* @param array $row
* @param int $column
* @param string $cellFormat
*/
private function renderCell(array $row, $column, $cellFormat)
{
$cell = isset($row[$column]) ? $row[$column] : '';
$width = $this->getColumnWidth($column);
// str_pad won't work properly with multi-byte strings, we need to fix the padding
if (function_exists('mb_strlen') && false !== ($encoding = mb_detect_encoding($cell))) {
$width += strlen($cell) - mb_strlen($cell, $encoding);
}
$width += Helper::strlen($cell) - Helper::strlenWithoutDecoration($this->output->getFormatter(), $cell);
$content = sprintf($this->style->getCellRowContentFormat(), $cell);
$this->output->write(sprintf($cellFormat, str_pad($content, $width, $this->style->getPaddingChar(), $this->style->getPadType())));
}
/**
* Writes content to output.
*
* @param string $content
* @param bool $decorated
*/
protected function write($content, $decorated = false)
{
$this->output->write($content, false, $decorated ? OutputInterface::OUTPUT_NORMAL : OutputInterface::OUTPUT_RAW);
}
/**
* Autocompletes a question.
*
* @param OutputInterface $output
* @param Question $question
*
* @return string
*/
private function autocomplete(OutputInterface $output, Question $question, $inputStream)
{
$autocomplete = $question->getAutocompleterValues();
$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 ("" === $c) {
if (0 === $numMatches && 0 !== $i) {
$i--;
// Move cursor backwards
$output->write("[1D");
}
if ($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 ("" === $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
$output->write("[K");
if ($numMatches > 0 && -1 !== $ofs) {
// Save cursor position
$output->write("7");
// Write highlighted text
$output->write('<hl>' . substr($matches[$ofs], $i) . '</hl>');
// Restore cursor position
$output->write("8");
}
}
// Reset stty so it behaves normally again
shell_exec(sprintf('stty %s', $sttyMode));
return $ret;
}
/**
* Overwrites a previous message to the output.
*
* @param OutputInterface $output An Output instance
* @param string $message The message
*/
private function overwrite(OutputInterface $output, $message)
{
$length = $this->strlen($message);
// append whitespace to match the last line's length
if (null !== $this->lastMessagesLength && $this->lastMessagesLength > $length) {
$message = str_pad($message, $this->lastMessagesLength, " ", STR_PAD_RIGHT);
}
// carriage return
$output->write("\r");
$output->write($message);
$this->lastMessagesLength = $this->strlen($message);
}
/**
* 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 (defined('PHP_WINDOWS_VERSION_BUILD')) {
$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');
}
/**
* Wraps a Process callback to add debugging output.
*
* @param OutputInterface $output An OutputInterface interface
* @param Process $process The Process
* @param callable|null $callback A PHP callable
*
* @return callable
*/
public function wrapCallback(OutputInterface $output, Process $process, $callback = null)
{
$formatter = $this->getHelperSet()->get('debug_formatter');
$that = $this;
return function ($type, $buffer) use($output, $process, $callback, $formatter, $that) {
$output->write($formatter->progress(spl_object_hash($process), $that->escapeString($buffer), Process::ERR === $type));
if (null !== $callback) {
call_user_func($callback, $type, $buffer);
}
};
}
