/**
* 添加一个command
*
* @param CommandInterface $command
*/
function addCommand(CommandInterface $command)
{
$command->setConsole($this);
$this->commands[$command->getName()] = $command;
}
/**
* 获取command的usage信息
*
* @param CommandInterface $command
* @return string
*/
protected function getCommandUsage(CommandInterface $command)
{
$argumentsUsages = [];
foreach ($command->getDefinition()->getArguments() as $argument) {
$usage = "<{$argument->getName()}>";
if ($argument->isValueOptional()) {
$usage = "[{$usage}]";
}
$argumentsUsages[] = $usage;
}
$usages[] = $command->getName();
$options = $command->getDefinition()->getOptions();
if ($haveOptions = !empty($options)) {
$usages[] = '[options]';
}
if (!empty($argumentsUsages)) {
if ($haveOptions) {
$usages[] = '--';
}
$usages[] = implode(' ', $argumentsUsages);
}
return implode(' ', $usages);
}
