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("array('%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('Symfony\Component\Console\Helper\Table')) { return $this->getTableHelper(); } $style = new TableStyle(); $style ->setVerticalBorderChar(' ') ->setHorizontalBorderChar('') ->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(''); } }