142 lines
4.1 KiB
PHP
142 lines
4.1 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Symfony package.
|
|
*
|
|
* (c) Fabien Potencier <fabien@symfony.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Symfony\Component\Console\Output;
|
|
|
|
use Symfony\Component\Console\Formatter\OutputFormatterInterface;
|
|
use Symfony\Component\Console\Helper\Helper;
|
|
use Symfony\Component\Console\Terminal;
|
|
|
|
/**
|
|
* @author Pierre du Plessis <pdples@gmail.com>
|
|
* @author Gabriel Ostrolucký <gabriel.ostrolucky@gmail.com>
|
|
*/
|
|
class ConsoleSectionOutput extends StreamOutput
|
|
{
|
|
private $content = array();
|
|
private $lines = 0;
|
|
private $sections;
|
|
private $terminal;
|
|
|
|
/**
|
|
* @param resource $stream
|
|
* @param ConsoleSectionOutput[] $sections
|
|
*/
|
|
public function __construct($stream, array &$sections, int $verbosity, bool $decorated, OutputFormatterInterface $formatter)
|
|
{
|
|
parent::__construct($stream, $verbosity, $decorated, $formatter);
|
|
array_unshift($sections, $this);
|
|
$this->sections = &$sections;
|
|
$this->terminal = new Terminal();
|
|
}
|
|
|
|
/**
|
|
* Clears previous output for this section.
|
|
*
|
|
* @param int $lines Number of lines to clear. If null, then the entire output of this section is cleared
|
|
*/
|
|
public function clear(int $lines = null)
|
|
{
|
|
if (empty($this->content) || !$this->isDecorated()) {
|
|
return;
|
|
}
|
|
|
|
if ($lines) {
|
|
\array_splice($this->content, -($lines * 2)); // Multiply lines by 2 to cater for each new line added between content
|
|
} else {
|
|
$lines = $this->lines;
|
|
$this->content = array();
|
|
}
|
|
|
|
$this->lines -= $lines;
|
|
|
|
parent::doWrite($this->popStreamContentUntilCurrentSection($lines), false);
|
|
}
|
|
|
|
/**
|
|
* Overwrites the previous output with a new message.
|
|
*
|
|
* @param array|string $message
|
|
*/
|
|
public function overwrite($message)
|
|
{
|
|
$this->clear();
|
|
$this->writeln($message);
|
|
}
|
|
|
|
public function getContent(): string
|
|
{
|
|
return implode('', $this->content);
|
|
}
|
|
|
|
/**
|
|
* @internal
|
|
*/
|
|
public function addContent(string $input)
|
|
{
|
|
foreach (explode(PHP_EOL, $input) as $lineContent) {
|
|
$this->lines += ceil($this->getDisplayLength($lineContent) / $this->terminal->getWidth()) ?: 1;
|
|
$this->content[] = $lineContent;
|
|
$this->content[] = PHP_EOL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function doWrite($message, $newline)
|
|
{
|
|
if (!$this->isDecorated()) {
|
|
return parent::doWrite($message, $newline);
|
|
}
|
|
|
|
$erasedContent = $this->popStreamContentUntilCurrentSection();
|
|
|
|
$this->addContent($message);
|
|
|
|
parent::doWrite($message, true);
|
|
parent::doWrite($erasedContent, false);
|
|
}
|
|
|
|
/**
|
|
* At initial stage, cursor is at the end of stream output. This method makes cursor crawl upwards until it hits
|
|
* current section. Then it erases content it crawled through. Optionally, it erases part of current section too.
|
|
*/
|
|
private function popStreamContentUntilCurrentSection(int $numberOfLinesToClearFromCurrentSection = 0): string
|
|
{
|
|
$numberOfLinesToClear = $numberOfLinesToClearFromCurrentSection;
|
|
$erasedContent = array();
|
|
|
|
foreach ($this->sections as $section) {
|
|
if ($section === $this) {
|
|
break;
|
|
}
|
|
|
|
$numberOfLinesToClear += $section->lines;
|
|
$erasedContent[] = $section->getContent();
|
|
}
|
|
|
|
if ($numberOfLinesToClear > 0) {
|
|
// move cursor up n lines
|
|
parent::doWrite(sprintf("\x1b[%dA", $numberOfLinesToClear), false);
|
|
// erase to end of screen
|
|
parent::doWrite("\x1b[0J", false);
|
|
}
|
|
|
|
return implode('', array_reverse($erasedContent));
|
|
}
|
|
|
|
private function getDisplayLength(string $text): string
|
|
{
|
|
return Helper::strlenWithoutDecoration($this->getFormatter(), str_replace("\t", ' ', $text));
|
|
}
|
|
}
|