Core_Controller_Shell::action_default

public function action_default()
{
    $examples = array_diff( get_class_methods( $this ), get_class_methods( __CLASS__ ) );

    # 获取方法的字符串最大长度
    $methods = array();
    $name_max_len = 0;
    foreach ( $examples as $method )
    {
        if ( $method == __FUNCTION__ ) continue;
        if ( strtolower( substr( $method, 0, 7 ) ) == 'action_' )
        {
            $m = substr( $method, 7 );
            $methods[$m] = $m;
            $name_max_len = max( strlen( $m ), $name_max_len );
        }
    }

    $str = '';
    $str_usage = 'Usage: ';
    foreach ( $methods as $method )
    {
        $ref_method = new ReflectionMethod( $this, 'action_' . $method );

        $parameters = $ref_method->getParameters();

        $str_usage .= str_pad( $method, $name_max_len, ' ', STR_PAD_RIGHT );
        $comment = self::_parse_doc_comment( $ref_method->getDocComment() );
        $str .= CRLF . CRLF . '   ' . $method . CRLF . '       comment   : ' . $comment['title'][0] . CRLF . '       parameters: ';

        if ( $parameters )
        {
            $tmpstr = array();
            $tmpparameter = array();
            $i = 0;
            $hava_l = 0;
            foreach ( $parameters as $k => $parameter )
            {
                $tmpstr[] = '                   $' . $parameter->name . ' ' . $comment['param'][$i];
                $tmpparameter[$k] = '$' . $parameter->getName();
                if ( $parameter->isDefaultValueAvailable() )
                {
                    $hava_l ++;
                    $tmpparameter[$k] = '[' . $tmpparameter[$k] . ' = ' . $parameter->getDefaultValue();
                }
                $i ++;
            }
            $str .= trim( implode( CRLF, $tmpstr ) );
            $str_usage .= ' [options] ' . '[' . implode( ', ', $tmpparameter ) . ']';

            if ( $hava_l )
            {
                for( $i = 0; $i < $hava_l; $i ++ )
                {
                    $str_usage .= ' ]';
                }
            }
        }
        else
        {
            $str .= '[no parameter]' . CRLF;
        }
        $str_usage .= CRLF . '           ';

    }
    $str_usage = trim( $str_usage ) . CRLF;

    echo $str_usage, $str;
}