Current File : //vendor/psy/psysh/src/Readline/Interactive/Layout/SoftWrapCalculator.php
<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2026 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\Readline\Interactive\Layout;
/**
* Terminal soft-wrap geometry calculations.
*/
class SoftWrapCalculator
{
private int $terminalWidth;
public function __construct(int $terminalWidth)
{
$this->terminalWidth = \max(1, $terminalWidth);
}
public function getTerminalWidth(): int
{
return $this->terminalWidth;
}
/**
* Normalize an absolute terminal column (1-indexed) into visible column.
*/
public function normalizeColumn(int $absoluteColumn): int
{
$offset = \max(0, $absoluteColumn - 1);
return ($offset % $this->terminalWidth) + 1;
}
/**
* Get wrapped row offset for an absolute terminal column (1-indexed).
*/
public function rowOffsetForAbsoluteColumn(int $absoluteColumn): int
{
return \intdiv(\max(0, $absoluteColumn - 1), $this->terminalWidth);
}
/**
* Count wrapped rows occupied by text with this display width.
*
* Zero-width text still occupies one row.
*/
public function rowCountForDisplayWidth(int $displayWidth): int
{
if ($displayWidth <= 0) {
return 1;
}
return \intdiv($displayWidth - 1, $this->terminalWidth) + 1;
}
}
Mini Shell