Symplify\PHP7_Sculpin\Io\ConsoleIo

Complexity

Total Complexity

8

Size/Duplication

Total Lines	62
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

0%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	write()	0	5	2
B	overwrite()	0	29	5

<?php

/*
 * This file is a part of Sculpin.
 *
 * (c) Dragonfly Development Inc.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symplify\PHP7_Sculpin\Io;

use Symfony\Component\Console\Output\OutputInterface;

final class ConsoleIo
{
    /**
     * @var OutputInterface
     */
    private $output;

    /**
     * @var string
     */
    private $lastMessage;

    public function __construct(OutputInterface $output)
    {
        $this->output = $output;
    }

    /**
     * @param string|array $messages
     * @param bool         $newline
     */
    public function write($messages, bool $newline = true)
    {
        $this->output->write($messages, $newline);
        $this->lastMessage = implode($newline ? "\n" : '', (array) $messages);
    }

    /**
     * @param string|array $messages
     * @param bool         $newline
     * @param int          $size
     */
    public function overwrite($messages, bool $newline = true, int $size = null)
    {
        // messages can be an array, let's convert it to string anyway
        $messages = implode($newline ? "\n" : '', (array) $messages);

        // since overwrite is supposed to overwrite last message...
        if (!isset($size)) {
            // removing possible formatting of lastMessage with strip_tags
            $size = strlen(strip_tags($this->lastMessage));
        }
        // ...let's fill its length with backspaces
        $this->write(str_repeat("\x08", $size), false);

        // write the new message
        $this->write($messages, false);

        $fill = $size - strlen(strip_tags($messages));
        if ($fill > 0) {
            // whitespace whatever has left
            $this->write(str_repeat(' ', $fill), false);
            // move the cursor back
            $this->write(str_repeat("\x08", $fill), false);
        }

        if ($newline) {
            $this->write('');
        }
        $this->lastMessage = $messages;
    }
}