From 3e97c51418e6d27e9a81906f347fcb7c78e27d4f Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 14 Apr 2024 15:23:16 +0200
Subject: Adding upstream version 0.20.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 vendor/gipfl/cli/src/Tty.php | 132 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 vendor/gipfl/cli/src/Tty.php

(limited to 'vendor/gipfl/cli/src/Tty.php')

diff --git a/vendor/gipfl/cli/src/Tty.php b/vendor/gipfl/cli/src/Tty.php
new file mode 100644
index 0000000..efe5924
--- /dev/null
+++ b/vendor/gipfl/cli/src/Tty.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace gipfl\Cli;
+
+use InvalidArgumentException;
+use React\EventLoop\LoopInterface;
+use React\Stream\ReadableResourceStream;
+use React\Stream\WritableResourceStream;
+use RuntimeException;
+use function defined;
+use function fstat;
+use function function_exists;
+use function is_bool;
+use function is_resource;
+use function is_string;
+use function posix_isatty;
+use function register_shutdown_function;
+use function stream_isatty;
+use function stream_set_blocking;
+use function strlen;
+use function var_export;
+
+class Tty
+{
+    protected $stdin;
+
+    protected $stdout;
+
+    protected $loop;
+
+    protected $echo = true;
+
+    /** @var TtyMode */
+    protected $ttyMode;
+
+    public function __construct(LoopInterface $loop)
+    {
+        $this->loop = $loop;
+        register_shutdown_function([$this, 'restore']);
+        $loop->futureTick(function () {
+            $this->initialize();
+        });
+    }
+
+    public function setEcho($echo)
+    {
+        if (! is_bool($echo) && ! is_string($echo) && strlen($echo) !== 1) {
+            throw new InvalidArgumentException(
+                "\$echo must be boolean or a single character, got " . var_export($echo, 1)
+            );
+        }
+        $this->echo = $echo;
+        if ($this->ttyMode) {
+            if ($echo) {
+                $this->ttyMode->enableFeature('echo');
+            } else {
+                $this->ttyMode->disableFeature('echo');
+            }
+        }
+
+        return $this;
+    }
+
+    public function stdin()
+    {
+        if ($this->stdin === null) {
+            $this->assertValidStdin();
+            $this->stdin = new ReadableResourceStream(STDIN, $this->loop);
+        }
+
+        return $this->stdin;
+    }
+
+    protected function hasStdin()
+    {
+        return defined('STDIN') && is_resource(STDIN) && fstat(STDIN) !== false;
+    }
+
+    protected function assertValidStdin()
+    {
+        if (! $this->hasStdin()) {
+            throw new RuntimeException('I have no STDIN');
+        }
+    }
+
+    public function stdout()
+    {
+        if ($this->stdout === null) {
+            $this->assertValidStdout();
+            $this->stdout = new WritableResourceStream(STDOUT, $this->loop);
+        }
+
+        return $this->stdout;
+    }
+
+    protected function hasStdout()
+    {
+        return defined('STDOUT') && is_resource(STDOUT) && fstat(STDOUT) !== false;
+    }
+
+    protected function assertValidStdout()
+    {
+        if (! $this->hasStdout()) {
+            throw new RuntimeException('I have no STDOUT');
+        }
+    }
+
+    protected function initialize()
+    {
+        $this->ttyMode = new TtyMode();
+        $this->ttyMode->setPreferredMode($this->echo);
+    }
+
+    public static function isSupported()
+    {
+        if (PHP_VERSION_ID >= 70200) {
+            return stream_isatty(STDIN);
+        } elseif (function_exists('posix_isatty')) {
+            return posix_isatty(STDIN);
+        } else {
+            return false;
+        }
+    }
+
+    public function restore()
+    {
+        if ($this->hasStdin()) {
+            // ReadableResourceStream sets blocking to false, let's restore this
+            stream_set_blocking(STDIN, true);
+        }
+    }
+}
-- 
cgit v1.2.3