/**
* Render help text for a single command
*
* @param \TYPO3\FLOW3\Cli\Command $command
* @return void
*/
protected function displayHelpForCommand(\TYPO3\FLOW3\Cli\Command $command)
{
$this->outputLine();
$this->outputLine('<u>' . $command->getShortDescription() . '</u>');
$this->outputLine();
$this->outputLine('<b>COMMAND:</b>');
$name = '<i>' . $command->getCommandIdentifier() . '</i>';
$this->outputLine('%-2s%s', array(' ', $name));
$commandArgumentDefinitions = $command->getArgumentDefinitions();
$usage = '';
$hasOptions = FALSE;
foreach ($commandArgumentDefinitions as $commandArgumentDefinition) {
if (!$commandArgumentDefinition->isRequired()) {
$hasOptions = TRUE;
} else {
$usage .= sprintf(' <%s>', strtolower(preg_replace('/([A-Z])/', ' $1', $commandArgumentDefinition->getName())));
}
}
$usage = $this->commandManager->getShortestIdentifierForCommand($command) . ($hasOptions ? ' [<options>]' : '') . $usage;
$this->outputLine();
$this->outputLine('<b>USAGE:</b>');
$this->outputLine(' %s %s', array($this->getFlow3InvocationString(), $usage));
$argumentDescriptions = array();
$optionDescriptions = array();
if ($command->hasArguments()) {
foreach ($commandArgumentDefinitions as $commandArgumentDefinition) {
$argumentDescription = $commandArgumentDefinition->getDescription();
$argumentDescription = wordwrap($argumentDescription, self::MAXIMUM_LINE_LENGTH - 23, PHP_EOL . str_repeat(' ', 23), TRUE);
if ($commandArgumentDefinition->isRequired()) {
$argumentDescriptions[] = vsprintf(' %-20s %s', array($commandArgumentDefinition->getDashedName(), $argumentDescription));
} else {
$optionDescriptions[] = vsprintf(' %-20s %s', array($commandArgumentDefinition->getDashedName(), $argumentDescription));
}
}
}
if (count($argumentDescriptions) > 0) {
$this->outputLine();
$this->outputLine('<b>ARGUMENTS:</b>');
foreach ($argumentDescriptions as $argumentDescription) {
$this->outputLine($argumentDescription);
}
}
if (count($optionDescriptions) > 0) {
$this->outputLine();
$this->outputLine('<b>OPTIONS:</b>');
foreach ($optionDescriptions as $optionDescription) {
$this->outputLine($optionDescription);
}
}
if ($command->getDescription() !== '') {
$this->outputLine();
$this->outputLine('<b>DESCRIPTION:</b>');
$descriptionLines = explode(chr(10), $command->getDescription());
foreach ($descriptionLines as $descriptionLine) {
$this->outputLine('%-2s%s', array(' ', $descriptionLine));
}
}
$relatedCommandIdentifiers = $command->getRelatedCommandIdentifiers();
if ($relatedCommandIdentifiers !== array()) {
$this->outputLine();
$this->outputLine('<b>SEE ALSO:</b>');
foreach ($relatedCommandIdentifiers as $commandIdentifier) {
try {
$command = $this->commandManager->getCommandByIdentifier($commandIdentifier);
$this->outputLine('%-2s%s (%s)', array(' ', $commandIdentifier, $command->getShortDescription()));
} catch (\TYPO3\FLOW3\Mvc\Exception\CommandException $exception) {
$this->outputLine('%-2s%s (%s)', array(' ', $commandIdentifier, '<i>Command not available</i>'));
}
}
}
$this->outputLine();
}
