First commit

developer/vendor/league/climate/src/Util/System/Linux.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace League\CLImate\Util\System;
+
+class Linux extends System
+{
+    /**
+     * Get the width of the terminal
+     *
+     * @return integer|null
+     */
+    public function width()
+    {
+        return $this->getDimension($this->exec('tput cols'));
+    }
+
+    /**
+     * Get the height of the terminal
+     *
+     * @return integer|null
+     */
+    public function height()
+    {
+        return $this->getDimension($this->exec('tput lines'));
+    }
+
+    /**
+     * Determine if system has access to bash commands
+     *
+     * @return bool
+     */
+    public function canAccessBash()
+    {
+        return (rtrim($this->exec("/usr/bin/env bash -c 'echo OK'")) === 'OK');
+    }
+
+    /**
+     * Display a hidden response prompt and return the response
+     *
+     * @param string $prompt
+     *
+     * @return string
+     */
+    public function hiddenResponsePrompt($prompt)
+    {
+        $bash_command = 'read -s -p "' . $prompt . '" response && echo $response';
+
+        return rtrim($this->exec("/usr/bin/env bash -c '{$bash_command}'"));
+    }
+
+    /**
+     * Determine if dimension is numeric and return it
+     *
+     * @param integer|string|null $dimension
+     *
+     * @return integer|null
+     */
+    protected function getDimension($dimension)
+    {
+        return (is_numeric($dimension)) ? $dimension : null;
+    }
+
+    /**
+     * Check if the stream supports ansi escape characters.
+     *
+     * Based on https://github.com/symfony/symfony/blob/master/src/Symfony/Component/Console/Output/StreamOutput.php
+     *
+     * @return bool
+     */
+    protected function systemHasAnsiSupport()
+    {
+        return (function_exists('posix_isatty') && @posix_isatty(STDOUT));
+    }
+}