1 files changed, 190 insertions, 0 deletions
diff --git a/vendor/gipfl/cli/src/Screen.php b/vendor/gipfl/cli/src/Screen.php
new file mode 100644
index 0000000..cb05a3f
--- /dev/null
+++ b/vendor/gipfl/cli/src/Screen.php
@@ -0,0 +1,190 @@
+<?php
+
+namespace gipfl\Cli;
+
+/**
+ * Base class providing minimal CLI Screen functionality. While classes
+ * extending this one (read: AnsiScreen) should implement all the fancy cool
+ * things, this base class makes sure that your code will still run in
+ * environments with no ANSI or similar support
+ *
+ * ```php
+ * $screen = Screen::instance();
+ * echo $screen->center($screen->underline('Hello world'));
+ * ```
+ */
+class Screen
+{
+    protected $isUtf8;
+
+    /**
+     * Get a new Screen instance.
+     *
+     * For now this is limited to either a very basic Screen implementation as
+     * a fall-back or an AnsiScreen implementation with more functionality
+     *
+     * @return AnsiScreen|Screen
+     */
+    public static function factory()
+    {
+        if (! defined('STDOUT')) {
+            return new Screen();
+        }
+        if (\function_exists('posix_isatty') && \posix_isatty(STDOUT)) {
+            return new AnsiScreen();
+        } else {
+            return new Screen();
+        }
+    }
+
+    /**
+     * Center the given string horizontally on the current screen
+     *
+     * @param $string
+     * @return string
+     */
+    public function center($string)
+    {
+        $len = $this->strlen($string);
+        $width = (int) \floor(($this->getColumns() + $len) / 2) - $len;
+
+        return \str_repeat(' ', $width) . $string;
+    }
+
+    /**
+     * Clear the screen
+     *
+     * Impossible for non-ANSI screens, so let's output a newline for now
+     *
+     * @return string
+     */
+    public function clear()
+    {
+        return "\n";
+    }
+
+    /**
+     * Colorize the given text. Has no effect on a basic Screen, all colors
+     * will be accepted. It's prefectly legal to provide background or foreground
+     * only
+     *
+     * Returns the very same string, eventually enriched with related ANSI codes
+     *
+     * @param $text
+     * @param null $fgColor
+     * @param null $bgColor
+     *
+     * @return mixed
+     */
+    public function colorize($text, $fgColor = null, $bgColor = null)
+    {
+        return $text;
+    }
+
+    /**
+     * Generate $count newline characters
+     *
+     * @param int $count
+     * @return string
+     */
+    public function newlines($count = 1)
+    {
+        return \str_repeat(PHP_EOL, $count);
+    }
+
+    /**
+     * Calculate the visible length of a given string. While this is simple on
+     * a non-ANSI-screen, such implementation will be required to strip control
+     * characters to get the correct result
+     *
+     * @param $string
+     * @return int
+     */
+    public function strlen($string)
+    {
+        if ($this->isUtf8()) {
+            return \mb_strlen($string, 'UTF-8');
+        } else {
+            return \strlen($string);
+        }
+    }
+
+    /**
+     * Underline the given text - if possible
+     *
+     * @return string
+     */
+    public function underline($text)
+    {
+        return $text;
+    }
+
+    /**
+     * Get the number of currently available columns. Please note that this
+     * might chance at any time while your program is running
+     *
+     * @return int
+     */
+    public function getColumns()
+    {
+        $cols = (int) \getenv('COLUMNS');
+        if (! $cols) {
+            // stty -a ?
+            $cols = (int) \exec('tput cols');
+        }
+        if (! $cols) {
+            $cols = 80;
+        }
+
+        return $cols;
+    }
+
+    /**
+     * Get the number of currently available rows. Please note that this
+     * might chance at any time while your program is running
+     *
+     * @return int
+     */
+    public function getRows()
+    {
+        $rows = (int) \getenv('ROWS');
+        if (! $rows) {
+            // stty -a ?
+            $rows = (int) \exec('tput lines');
+        }
+        if (! $rows) {
+            $rows = 25;
+        }
+
+        return $rows;
+    }
+
+    /**
+     * Whether we're on a UTF-8 screen. We assume latin1 otherwise, there is no
+     * support for additional encodings
+     *
+     * @return bool
+     */
+    public function isUtf8()
+    {
+        if ($this->isUtf8 === null) {
+            // null should equal 0 here, however seems to equal '' on some systems:
+            $current = \setlocale(LC_ALL, 0);
+
+            $parts = explode(';', $current);
+            $lc_parts = [];
+            foreach ($parts as $part) {
+                if (\strpos($part, '=') === false) {
+                    continue;
+                }
+                list($key, $val) = explode('=', $part, 2);
+                $lc_parts[$key] = $val;
+            }
+
+            $this->isUtf8 = \array_key_exists('LC_CTYPE', $lc_parts)
+                && \preg_match('~\.UTF-8$~i', $lc_parts['LC_CTYPE']);
+        }
+
+        return $this->isUtf8;
+    }
+}