* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Console\Descriptor; use Symfony\Component\Console\Application; use Symfony\Component\Console\Command\Command; use Symfony\Component\Console\Input\InputArgument; use Symfony\Component\Console\Input\InputDefinition; use Symfony\Component\Console\Input\InputOption; /** * Text descriptor. * * @author Jean-François Simon * * @internal */ class TextDescriptor extends Descriptor { /** * {@inheritdoc} */ protected function describeInputArgument(InputArgument $argument, array $options = array()) { if (null !== $argument->getDefault() && (!is_array($argument->getDefault()) || count($argument->getDefault()))) { $default = sprintf(' [default: %s]', $this->formatDefaultValue($argument->getDefault())); } else { $default = ''; } $totalWidth = isset($options['total_width']) ? $options['total_width'] : strlen($argument->getName()); $spacingWidth = $totalWidth - strlen($argument->getName()) + 2; $this->writeText(sprintf(' %s%s%s%s', $argument->getName(), str_repeat(' ', $spacingWidth), // + 17 = 2 spaces + + + 2 spaces preg_replace('/\s*[\r\n]\s*/', "\n".str_repeat(' ', $totalWidth + 17), $argument->getDescription()), $default ), $options); } /** * {@inheritdoc} */ protected function describeInputOption(InputOption $option, array $options = array()) { if ($option->acceptValue() && null !== $option->getDefault() && (!is_array($option->getDefault()) || count($option->getDefault()))) { $default = sprintf(' [default: %s]', $this->formatDefaultValue($option->getDefault())); } else { $default = ''; } $value = ''; if ($option->acceptValue()) { $value = '='.strtoupper($option->getName()); if ($option->isValueOptional()) { $value = '['.$value.']'; } } $totalWidth = isset($options['total_width']) ? $options['total_width'] : $this->calculateTotalWidthForOptions(array($option)); $synopsis = sprintf('%s%s', $option->getShortcut() ? sprintf('-%s, ', $option->getShortcut()) : ' ', sprintf('--%s%s', $option->getName(), $value) ); $spacingWidth = $totalWidth - strlen($synopsis) + 2; $this->writeText(sprintf(' %s%s%s%s%s', $synopsis, str_repeat(' ', $spacingWidth), // + 17 = 2 spaces + + + 2 spaces preg_replace('/\s*[\r\n]\s*/', "\n".str_repeat(' ', $totalWidth + 17), $option->getDescription()), $default, $option->isArray() ? ' (multiple values allowed)' : '' ), $options); } /** * {@inheritdoc} */ protected function describeInputDefinition(InputDefinition $definition, array $options = array()) { $totalWidth = $this->calculateTotalWidthForOptions($definition->getOptions()); foreach ($definition->getArguments() as $argument) { $totalWidth = max($totalWidth, strlen($argument->getName())); } if ($definition->getArguments()) { $this->writeText('Arguments:', $options); $this->writeText("\n"); foreach ($definition->getArguments() as $argument) { $this->describeInputArgument($argument, array_merge($options, array('total_width' => $totalWidth))); $this->writeText("\n"); } } if ($definition->getArguments() && $definition->getOptions()) { $this->writeText("\n"); } if ($definition->getOptions()) { $laterOptions = array(); $this->writeText('Options:', $options); foreach ($definition->getOptions() as $option) { if (strlen($option->getShortcut()) > 1) { $laterOptions[] = $option; continue; } $this->writeText("\n"); $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth))); } foreach ($laterOptions as $option) { $this->writeText("\n"); $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth))); } } } /** * {@inheritdoc} */ protected function describeCommand(Command $command, array $options = array()) { $command->getSynopsis(true); $command->getSynopsis(false); $command->mergeApplicationDefinition(false); $this->writeText('Usage:', $options); foreach (array_merge(array($command->getSynopsis(true)), $command->getAliases(), $command->getUsages()) as $usage) { $this->writeText("\n"); $this->writeText(' '.$usage, $options); } $this->writeText("\n"); $definition = $command->getNativeDefinition(); if ($definition->getOptions() || $definition->getArguments()) { $this->writeText("\n"); $this->describeInputDefinition($definition, $options); $this->writeText("\n"); } if ($help = $command->getProcessedHelp()) { $this->writeText("\n"); $this->writeText('Help:', $options); $this->writeText("\n"); $this->writeText(' '.str_replace("\n", "\n ", $help), $options); $this->writeText("\n"); } } /** * {@inheritdoc} */ protected function describeApplication(Application $application, array $options = array()) { $describedNamespace = isset($options['namespace']) ? $options['namespace'] : null; $description = new ApplicationDescription($application, $describedNamespace); if (isset($options['raw_text']) && $options['raw_text']) { $width = $this->getColumnWidth($description->getCommands()); foreach ($description->getCommands() as $command) { $this->writeText(sprintf("%-{$width}s %s", $command->getName(), $command->getDescription()), $options); $this->writeText("\n"); } } else { if ('' != $help = $application->getHelp()) { $this->writeText("$help\n\n", $options); } $this->writeText("Usage:\n", $options); $this->writeText(" command [options] [arguments]\n\n", $options); $this->describeInputDefinition(new InputDefinition($application->getDefinition()->getOptions()), $options); $this->writeText("\n"); $this->writeText("\n"); $width = $this->getColumnWidth($description->getCommands()); if ($describedNamespace) { $this->writeText(sprintf('Available commands for the "%s" namespace:', $describedNamespace), $options); } else { $this->writeText('Available commands:', $options); } // add commands by namespace foreach ($description->getNamespaces() as $namespace) { if (!$describedNamespace && ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) { $this->writeText("\n"); $this->writeText(' '.$namespace['id'].'', $options); } foreach ($namespace['commands'] as $name) { $this->writeText("\n"); $spacingWidth = $width - strlen($name); $this->writeText(sprintf(' %s%s%s', $name, str_repeat(' ', $spacingWidth), $description->getCommand($name)->getDescription()), $options); } } $this->writeText("\n"); } } /** * {@inheritdoc} */ private function writeText($content, array $options = array()) { $this->write( isset($options['raw_text']) && $options['raw_text'] ? strip_tags($content) : $content, isset($options['raw_output']) ? !$options['raw_output'] : true ); } /** * Formats input option/argument default value. * * @param mixed $default * * @return string */ private function formatDefaultValue($default) { return str_replace('\\\\', '\\', json_encode($default, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE)); } /** * @param Command[] $commands * * @return int */ private function getColumnWidth(array $commands) { $widths = array(); foreach ($commands as $command) { $widths[] = strlen($command->getName()); foreach ($command->getAliases() as $alias) { $widths[] = strlen($alias); } } return max($widths) + 2; } /** * @param InputOption[] $options * * @return int */ private function calculateTotalWidthForOptions($options) { $totalWidth = 0; foreach ($options as $option) { // "-" + shortcut + ", --" + name $nameLength = 1 + max(strlen($option->getShortcut()), 1) + 4 + strlen($option->getName()); if ($option->acceptValue()) { $valueLength = 1 + strlen($option->getName()); // = + value $valueLength += $option->isValueOptional() ? 2 : 0; // [ + ] $nameLength += $valueLength; } $totalWidth = max($totalWidth, $nameLength); } return $totalWidth; } }