设置外观标识
| public setDecorated ( boolean $decorated ) | ||
| $decorated | boolean | 是否美化文字 |
public function renderException(\Exception $e)
{
$stderr = $this->openErrorStream();
$decorated = $this->hasColorSupport($stderr);
$this->formatter->setDecorated($decorated);
do {
$title = sprintf(' [%s] ', get_class($e));
$len = $this->stringWidth($title);
$width = $this->getTerminalWidth() ? $this->getTerminalWidth() - 1 : PHP_INT_MAX;
if (defined('HHVM_VERSION') && $width > 1 << 31) {
$width = 1 << 31;
}
$lines = [];
foreach (preg_split('/\\r?\\n/', $e->getMessage()) as $line) {
foreach ($this->splitStringByWidth($line, $width - 4) as $line) {
$lineLength = $this->stringWidth(preg_replace('/\\[[^m]*m/', '', $line)) + 4;
$lines[] = [$line, $lineLength];
$len = max($lineLength, $len);
}
}
$messages = ['', ''];
$messages[] = $emptyLine = sprintf('<error>%s</error>', str_repeat(' ', $len));
$messages[] = sprintf('<error>%s%s</error>', $title, str_repeat(' ', max(0, $len - $this->stringWidth($title))));
foreach ($lines as $line) {
$messages[] = sprintf('<error> %s %s</error>', $line[0], str_repeat(' ', $len - $line[1]));
}
$messages[] = $emptyLine;
$messages[] = '';
$messages[] = '';
$this->write($messages, true, Output::OUTPUT_NORMAL, $stderr);
if (Output::VERBOSITY_VERBOSE <= $this->output->getVerbosity()) {
$this->write('<comment>Exception trace:</comment>', true, Output::OUTPUT_NORMAL, $stderr);
// exception related properties
$trace = $e->getTrace();
array_unshift($trace, ['function' => '', 'file' => $e->getFile() !== null ? $e->getFile() : 'n/a', 'line' => $e->getLine() !== null ? $e->getLine() : 'n/a', 'args' => []]);
for ($i = 0, $count = count($trace); $i < $count; ++$i) {
$class = isset($trace[$i]['class']) ? $trace[$i]['class'] : '';
$type = isset($trace[$i]['type']) ? $trace[$i]['type'] : '';
$function = $trace[$i]['function'];
$file = isset($trace[$i]['file']) ? $trace[$i]['file'] : 'n/a';
$line = isset($trace[$i]['line']) ? $trace[$i]['line'] : 'n/a';
$this->write(sprintf(' %s%s%s() at <info>%s:%s</info>', $class, $type, $function, $file, $line), true, Output::OUTPUT_NORMAL, $stderr);
}
$this->write('', true, Output::OUTPUT_NORMAL, $stderr);
$this->write('', true, Output::OUTPUT_NORMAL, $stderr);
}
} while ($e = $e->getPrevious());
}
public static function strlenWithoutDecoration(Formatter $formatter, $string)
{
$isDecorated = $formatter->isDecorated();
$formatter->setDecorated(false);
// remove <...> formatting
$string = $formatter->format($string);
// remove already formatted characters
$string = preg_replace("/\\[[^m]*m/", '', $string);
$formatter->setDecorated($isDecorated);
return self::strlen($string);
}