first commit

vendor/laravel/prompts/src/Terminal.php

@@ -0,0 +1,119 @@
+<?php
+
+namespace Laravel\Prompts;
+
+use ReflectionClass;
+use RuntimeException;
+use Symfony\Component\Console\Terminal as SymfonyTerminal;
+
+class Terminal
+{
+    /**
+     * The initial TTY mode.
+     */
+    protected ?string $initialTtyMode;
+
+    /**
+     * The Symfony Terminal instance.
+     */
+    protected SymfonyTerminal $terminal;
+
+    /**
+     * Create a new Terminal instance.
+     */
+    public function __construct()
+    {
+        $this->terminal = new SymfonyTerminal();
+    }
+
+    /**
+     * Read a line from the terminal.
+     */
+    public function read(): string
+    {
+        $input = fread(STDIN, 1024);
+
+        return $input !== false ? $input : '';
+    }
+
+    /**
+     * Set the TTY mode.
+     */
+    public function setTty(string $mode): void
+    {
+        $this->initialTtyMode ??= $this->exec('stty -g');
+
+        $this->exec("stty $mode");
+    }
+
+    /**
+     * Restore the initial TTY mode.
+     */
+    public function restoreTty(): void
+    {
+        if (isset($this->initialTtyMode)) {
+            $this->exec("stty {$this->initialTtyMode}");
+
+            $this->initialTtyMode = null;
+        }
+    }
+
+    /**
+     * Get the number of columns in the terminal.
+     */
+    public function cols(): int
+    {
+        return $this->terminal->getWidth();
+    }
+
+    /**
+     * Get the number of lines in the terminal.
+     */
+    public function lines(): int
+    {
+        return $this->terminal->getHeight();
+    }
+
+    /**
+     * (Re)initialize the terminal dimensions.
+     */
+    public function initDimensions(): void
+    {
+        (new ReflectionClass($this->terminal))
+            ->getMethod('initDimensions')
+            ->invoke($this->terminal);
+    }
+
+    /**
+     * Exit the interactive session.
+     */
+    public function exit(): void
+    {
+        exit(1);
+    }
+
+    /**
+     * Execute the given command and return the output.
+     */
+    protected function exec(string $command): string
+    {
+        $process = proc_open($command, [
+            1 => ['pipe', 'w'],
+            2 => ['pipe', 'w'],
+        ], $pipes);
+
+        if (! $process) {
+            throw new RuntimeException('Failed to create process.');
+        }
+
+        $stdout = stream_get_contents($pipes[1]);
+        $stderr = stream_get_contents($pipes[2]);
+        $code = proc_close($process);
+
+        if ($code !== 0 || $stdout === false) {
+            throw new RuntimeException(trim($stderr ?: "Unknown error (code: $code)"), $code);
+        }
+
+        return $stdout;
+    }
+}