public function validateAndExecute($args, $argsIndex, Context $context)
{
// $argsIndex points to the first of our arguments
// ... if it is set at all
if (!isset($args[$argsIndex])) {
// show the general help, and bail
$this->showGeneralHelp($context);
return 0;
}
// if we get here, the user wants detailed help with a
// specific command
$commandForHelp = $args[$argsIndex];
$se = $context->stderr;
// is this a valid command?
if (!$context->commandsList->testHasCommand($commandForHelp)) {
ErrorsHelper::unknownCommand($context, $commandForHelp);
return 1;
}
// we have a command to show the details of
$so = $context->stdout;
$command = $context->commandsList->getCommand($commandForHelp);
$command->outputHelp($context);
return 0;
}
protected function validateCommand($argv, $argsIndex, Context $context)
{
// $argsIndex points to the command that the user
// wishes to execute
$commandName = $argv[$argsIndex];
// do we have a recognised command?
if (!$context->commandsList->testHasCommand($commandName)) {
// no, we do not
ErrorsHelper::unknownCommand($context, $commandName);
return 1;
}
// if we get here, we know that we have a valid command
return null;
}