thinkphp/library/think/console/Output.php

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<?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;

use Exception;
use think\console\output\Ask;
use think\console\output\Descriptor;
use think\console\output\driver\Buffer;
use think\console\output\driver\Console;
use think\console\output\driver\Nothing;
use think\console\output\Question;
use think\console\output\question\Choice;
use think\console\output\question\Confirmation;

/**
 * Class Output
 * @package think\console
 *
 * @see     \think\console\output\driver\Console::setDecorated
 * @method void setDecorated($decorated)
 *
 * @see     \think\console\output\driver\Buffer::fetch
 * @method string fetch()
 *
 * @method void info($message)
 * @method void error($message)
 * @method void comment($message)
 * @method void warning($message)
 * @method void highlight($message)
 * @method void question($message)
 */
class Output
{
    const VERBOSITY_QUIET        = 0;
    const VERBOSITY_NORMAL       = 1;
    const VERBOSITY_VERBOSE      = 2;
    const VERBOSITY_VERY_VERBOSE = 3;
    const VERBOSITY_DEBUG        = 4;

    const OUTPUT_NORMAL = 0;
    const OUTPUT_RAW    = 1;
    const OUTPUT_PLAIN  = 2;

    private $verbosity = self::VERBOSITY_NORMAL;

    /** @var Buffer|Console|Nothing */
    private $handle = null;

    protected $styles = [
        'info',
        'error',