Your IP : 216.73.216.43
<?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 RectorPrefix202304\Symfony\Component\Console\Output;
use RectorPrefix202304\Symfony\Component\Console\Formatter\OutputFormatterInterface;
use RectorPrefix202304\Symfony\Component\Console\Helper\Helper;
use RectorPrefix202304\Symfony\Component\Console\Terminal;
/**
* @author Pierre du Plessis <pdples@gmail.com>
* @author Gabriel Ostrolucký <gabriel.ostrolucky@gmail.com>
*/
class ConsoleSectionOutput extends StreamOutput
{
/**
* @var mixed[]
*/
private $content = [];
/**
* @var int
*/
private $lines = 0;
/**
* @var mixed[]
*/
private $sections;
/**
* @var \Symfony\Component\Console\Terminal
*/
private $terminal;
/**
* @var int
*/
private $maxHeight = 0;
/**
* @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();
}
/**
* Defines a maximum number of lines for this section.
*
* When more lines are added, the section will automatically scroll to the
* end (i.e. remove the first lines to comply with the max height).
*/
public function setMaxHeight(int $maxHeight) : void
{
// when changing max height, clear output of current section and redraw again with the new height
$existingContent = $this->popStreamContentUntilCurrentSection($this->maxHeight ? \min($this->maxHeight, $this->lines) : $this->lines);
$this->maxHeight = $maxHeight;
parent::doWrite($this->getVisibleContent(), \false);
parent::doWrite($existingContent, \false);
}
/**
* 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);
} else {
$lines = $this->lines;
$this->content = [];
}
$this->lines -= $lines;
parent::doWrite($this->popStreamContentUntilCurrentSection($this->maxHeight ? \min($this->maxHeight, $lines) : $lines), \false);
}
/**
* Overwrites the previous output with a new message.
* @param string|mixed[] $message
*/
public function overwrite($message)
{
$this->clear();
$this->writeln($message);
}
public function getContent() : string
{
return \implode('', $this->content);
}
public function getVisibleContent() : string
{
if (0 === $this->maxHeight) {
return $this->getContent();
}
return \implode('', \array_slice($this->content, -$this->maxHeight));
}
/**
* @internal
*/
public function addContent(string $input, bool $newline = \true) : int
{
$width = $this->terminal->getWidth();
$lines = \explode(\PHP_EOL, $input);
$linesAdded = 0;
$count = \count($lines) - 1;
foreach ($lines as $i => $lineContent) {
// re-add the line break (that has been removed in the above `explode()` for
// - every line that is not the last line
// - if $newline is required, also add it to the last line
// - if it's not new line, but input ending with `\PHP_EOL`
if ($i < $count || $newline || \substr_compare($input, \PHP_EOL, -\strlen(\PHP_EOL)) === 0) {
$lineContent .= \PHP_EOL;
}
// skip line if there is no text (or newline for that matter)
if ('' === $lineContent) {
continue;
}
// For the first line, check if the previous line (last entry of `$this->content`)
// needs to be continued (i.e. does not end with a line break).
if (0 === $i && \false !== ($lastLine = \end($this->content)) && \substr_compare($lastLine, \PHP_EOL, -\strlen(\PHP_EOL)) !== 0) {
// deduct the line count of the previous line
$this->lines -= (int) \ceil($this->getDisplayLength($lastLine) / $width) ?: 1;
// concatenate previous and new line
$lineContent = $lastLine . $lineContent;
// replace last entry of `$this->content` with the new expanded line
\array_splice($this->content, -1, 1, $lineContent);
} else {
// otherwise just add the new content
$this->content[] = $lineContent;
}
$linesAdded += (int) \ceil($this->getDisplayLength($lineContent) / $width) ?: 1;
}
$this->lines += $linesAdded;
return $linesAdded;
}
/**
* @internal
*/
public function addNewLineOfInputSubmit()
{
$this->content[] = \PHP_EOL;
++$this->lines;
}
protected function doWrite(string $message, bool $newline)
{
if (!$this->isDecorated()) {
parent::doWrite($message, $newline);
return;
}
// Check if the previous line (last entry of `$this->content`) needs to be continued
// (i.e. does not end with a line break). In which case, it needs to be erased first.
$linesToClear = $deleteLastLine = ($lastLine = \end($this->content) ?: '') && \substr_compare($lastLine, \PHP_EOL, -\strlen(\PHP_EOL)) !== 0 ? 1 : 0;
$linesAdded = $this->addContent($message, $newline);
if ($lineOverflow = $this->maxHeight > 0 && $this->lines > $this->maxHeight) {
// on overflow, clear the whole section and redraw again (to remove the first lines)
$linesToClear = $this->maxHeight;
}
$erasedContent = $this->popStreamContentUntilCurrentSection($linesToClear);
if ($lineOverflow) {
// redraw existing lines of the section
$previousLinesOfSection = \array_slice($this->content, $this->lines - $this->maxHeight, $this->maxHeight - $linesAdded);
parent::doWrite(\implode('', $previousLinesOfSection), \false);
}
// if the last line was removed, re-print its content together with the new content.
// otherwise, just print the new content.
parent::doWrite($deleteLastLine ? $lastLine . $message : $message, \true);
parent::doWrite($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;
$erasedContent = [];
foreach ($this->sections as $section) {
if ($section === $this) {
break;
}
$numberOfLinesToClear += $section->lines;
if ('' !== ($sectionContent = $section->getVisibleContent())) {
if (\substr_compare($sectionContent, \PHP_EOL, -\strlen(\PHP_EOL)) !== 0) {
$sectionContent .= \PHP_EOL;
}
$erasedContent[] = $sectionContent;
}
}
if ($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 $text) : int
{
return Helper::width(Helper::removeDecoration($this->getFormatter(), \str_replace("\t", ' ', $text)));
}
}