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Usage:',
' '.$this->getSynopsis(),
'',
];
if ($this->getAliases()) {
$messages[] = $this->aliasesAsText();
}
if ($this->getArguments()) {
$messages[] = $this->argumentsAsText();
}
if ($this->getOptions()) {
$messages[] = $this->optionsAsText();
}
if ($help = $this->getProcessedHelp()) {
$messages[] = 'Help:';
$messages[] = ' '.\str_replace("\n", "\n ", $help)."\n";
}
return \implode("\n", $messages);
}
/**
* {@inheritdoc}
*/
private function getArguments()
{
$hidden = $this->getHiddenArguments();
return \array_filter($this->getNativeDefinition()->getArguments(), function ($argument) use ($hidden) {
return !\in_array($argument->getName(), $hidden);
});
}
/**
* These arguments will be excluded from help output.
*
* @return array
*/
protected function getHiddenArguments()
{
return ['command'];
}
/**
* {@inheritdoc}
*/
private function getOptions()
{
$hidden = $this->getHiddenOptions();
return \array_filter($this->getNativeDefinition()->getOptions(), function ($option) use ($hidden) {
return !\in_array($option->getName(), $hidden);
});
}
/**
* These options will be excluded from help output.
*
* @return array
*/
protected function getHiddenOptions()
{
return ['verbose'];
}
/**
* Format command aliases as text..
*
* @return string
*/
private function aliasesAsText()
{
return 'Aliases: '.\implode(', ', $this->getAliases()).''.\PHP_EOL;
}
/**
* Format command arguments as text.
*
* @return string
*/
private function argumentsAsText()
{
$max = $this->getMaxWidth();
$messages = [];
$arguments = $this->getArguments();
if (!empty($arguments)) {
$messages[] = 'Arguments:';
foreach ($arguments as $argument) {
if (null !== $argument->getDefault() && (!\is_array($argument->getDefault()) || \count($argument->getDefault()))) {
$default = \sprintf(' (default: %s)', $this->formatDefaultValue($argument->getDefault()));
} else {
$default = '';
}
$description = \str_replace("\n", "\n".\str_pad('', $max + 2, ' '), $argument->getDescription());
$messages[] = \sprintf(" %-${max}s %s%s", $argument->getName(), $description, $default);
}
$messages[] = '';
}
return \implode(\PHP_EOL, $messages);
}
/**
* Format options as text.
*
* @return string
*/
private function optionsAsText()
{
$max = $this->getMaxWidth();
$messages = [];
$options = $this->getOptions();
if ($options) {
$messages[] = 'Options:';
foreach ($options as $option) {
if ($option->acceptValue() && null !== $option->getDefault() && (!\is_array($option->getDefault()) || \count($option->getDefault()))) {
$default = \sprintf(' (default: %s)', $this->formatDefaultValue($option->getDefault()));
} else {
$default = '';
}
$multiple = $option->isArray() ? ' (multiple values allowed)' : '';
$description = \str_replace("\n", "\n".\str_pad('', $max + 2, ' '), $option->getDescription());
$optionMax = $max - \strlen($option->getName()) - 2;
$messages[] = \sprintf(
" %s %-${optionMax}s%s%s%s",
'--'.$option->getName(),
$option->getShortcut() ? \sprintf('(-%s) ', $option->getShortcut()) : '',
$description,
$default,
$multiple
);
}
$messages[] = '';
}
return \implode(\PHP_EOL, $messages);
}
/**
* Calculate the maximum padding width for a set of lines.
*
* @return int
*/
private function getMaxWidth()
{
$max = 0;
foreach ($this->getOptions() as $option) {
$nameLength = \strlen($option->getName()) + 2;
if ($option->getShortcut()) {
$nameLength += \strlen($option->getShortcut()) + 3;
}
$max = \max($max, $nameLength);
}
foreach ($this->getArguments() as $argument) {
$max = \max($max, \strlen($argument->getName()));
}
return ++$max;
}
/**
* Format an option default as text.
*
* @param mixed $default
*
* @return string
*/
private function formatDefaultValue($default)
{
if (\is_array($default) && $default === \array_values($default)) {
return \sprintf("['%s']", \implode("', '", $default));
}
return \str_replace("\n", '', \var_export($default, true));
}
/**
* Get a Table instance.
*
* Falls back to legacy TableHelper.
*
* @return Table|TableHelper
*/
protected function getTable(OutputInterface $output)
{
if (!\class_exists(Table::class)) {
return $this->getTableHelper();
}
$style = new TableStyle();
// Symfony 4.1 deprecated single-argument style setters.
if (\method_exists($style, 'setVerticalBorderChars')) {
$style->setVerticalBorderChars(' ');
$style->setHorizontalBorderChars('');
$style->setCrossingChars('', '', '', '', '', '', '', '', '');
} else {
$style->setVerticalBorderChar(' ');
$style->setHorizontalBorderChar('');
$style->setCrossingChar('');
}
$table = new Table($output);
return $table
->setRows([])
->setStyle($style);
}
/**
* Legacy fallback for getTable.
*
* @return TableHelper
*/
protected function getTableHelper()
{
$table = $this->getApplication()->getHelperSet()->get('table');
return $table
->setRows([])
->setLayout(TableHelper::LAYOUT_BORDERLESS)
->setHorizontalBorderChar('')
->setCrossingChar('');
}
}