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vendor/symfony/console/Cursor.php

@@ -0,0 +1,204 @@
+<?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;
+
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * @author Pierre du Plessis <pdples@gmail.com>
+ */
+final class Cursor
+{
+    private OutputInterface $output;
+    /** @var resource */
+    private $input;
+
+    /**
+     * @param resource|null $input
+     */
+    public function __construct(OutputInterface $output, $input = null)
+    {
+        $this->output = $output;
+        $this->input = $input ?? (\defined('STDIN') ? \STDIN : fopen('php://input', 'r+'));
+    }
+
+    /**
+     * @return $this
+     */
+    public function moveUp(int $lines = 1): static
+    {
+        $this->output->write(sprintf("\x1b[%dA", $lines));
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function moveDown(int $lines = 1): static
+    {
+        $this->output->write(sprintf("\x1b[%dB", $lines));
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function moveRight(int $columns = 1): static
+    {
+        $this->output->write(sprintf("\x1b[%dC", $columns));
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function moveLeft(int $columns = 1): static
+    {
+        $this->output->write(sprintf("\x1b[%dD", $columns));
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function moveToColumn(int $column): static
+    {
+        $this->output->write(sprintf("\x1b[%dG", $column));
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function moveToPosition(int $column, int $row): static
+    {
+        $this->output->write(sprintf("\x1b[%d;%dH", $row + 1, $column));
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function savePosition(): static
+    {
+        $this->output->write("\x1b7");
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function restorePosition(): static
+    {
+        $this->output->write("\x1b8");
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function hide(): static
+    {
+        $this->output->write("\x1b[?25l");
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function show(): static
+    {
+        $this->output->write("\x1b[?25h\x1b[?0c");
+
+        return $this;
+    }
+
+    /**
+     * Clears all the output from the current line.
+     *
+     * @return $this
+     */
+    public function clearLine(): static
+    {
+        $this->output->write("\x1b[2K");
+
+        return $this;
+    }
+
+    /**
+     * Clears all the output from the current line after the current position.
+     */
+    public function clearLineAfter(): self
+    {
+        $this->output->write("\x1b[K");
+
+        return $this;
+    }
+
+    /**
+     * Clears all the output from the cursors' current position to the end of the screen.
+     *
+     * @return $this
+     */
+    public function clearOutput(): static
+    {
+        $this->output->write("\x1b[0J");
+
+        return $this;
+    }
+
+    /**
+     * Clears the entire screen.
+     *
+     * @return $this
+     */
+    public function clearScreen(): static
+    {
+        $this->output->write("\x1b[2J");
+
+        return $this;
+    }
+
+    /**
+     * Returns the current cursor position as x,y coordinates.
+     */
+    public function getCurrentPosition(): array
+    {
+        static $isTtySupported;
+
+        if (!$isTtySupported ??= '/' === \DIRECTORY_SEPARATOR && stream_isatty(\STDOUT)) {
+            return [1, 1];
+        }
+
+        $sttyMode = shell_exec('stty -g');
+        shell_exec('stty -icanon -echo');
+
+        @fwrite($this->input, "\033[6n");
+
+        $code = trim(fread($this->input, 1024));
+
+        shell_exec(sprintf('stty %s', $sttyMode));
+
+        sscanf($code, "\033[%d;%dR", $row, $col);
+
+        return [$col, $row];
+    }
+}