library\think\console\command\Help.php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: yunwuxin <448901948@qq.com>
// +----------------------------------------------------------------------
namespace think\console\command;
use think\console\Command;
use think\console\Input;
use think\console\input\Argument as InputArgument;
use think\console\input\Option as InputOption;
use think\console\Output;
use think\console\helper\Descriptor as DescriptorHelper;
class Help extends Command
{
private $command;
/**
* {@inheritdoc}
*/
protected function configure()
{
$this->ignoreValidationErrors();
$this->setName('help')->setDefinition([
new InputArgument('command_name', InputArgument::OPTIONAL, 'The command name', 'help'),
new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw command help'),
])->setDescription('Displays help for a command')->setHelp(<<The %command.name% command displays help for a given command:
php %command.full_name% list
To display the list of available commands, please use the list command.
EOF
);
}
/**
* Sets the command.
* @param Command $command The command to set
*/
public function setCommand(Command $command)
{
$this->command = $command;
}
/**
* {@inheritdoc}
*/
protected function execute(Input $input, Output $output)
{
if (null === $this->command) {
$this->command = $this->getConsole()->find($input->getArgument('command_name'));
}
$output->describe($this->command, [
'raw_text' => $input->getOption('raw'),
]);
$this->command = null;
}
}