1 files changed, 106 insertions, 0 deletions
diff --git a/library/Icinga/Cli/Screen.php b/library/Icinga/Cli/Screen.php
new file mode 100644
index 0000000..4ffad72
--- /dev/null
+++ b/library/Icinga/Cli/Screen.php
@@ -0,0 +1,106 @@
+<?php
+/* Icinga Web 2 | (c) 2013 Icinga Development Team | GPLv2+ */
+
+namespace Icinga\Cli;
+
+use Icinga\Cli\AnsiScreen;
+
+class Screen
+{
+    protected static $instances = [];
+
+    protected $isUtf8;
+
+    public function getColumns()
+    {
+        $cols = (int) getenv('COLUMNS');
+        if (! $cols) {
+            // stty -a ?
+            $cols = (int) exec('tput cols');
+        }
+        if (! $cols) {
+            $cols = 80;
+        }
+        return $cols;
+    }
+
+    public function getRows()
+    {
+        $rows = (int) getenv('ROWS');
+        if (! $rows) {
+            // stty -a ?
+            $rows = (int) exec('tput lines');
+        }
+        if (! $rows) {
+            $rows = 25;
+        }
+        return $rows;
+    }
+
+    public function strlen($string)
+    {
+        return strlen($string);
+    }
+
+    public function newlines($count = 1)
+    {
+        return str_repeat("\n", $count);
+    }
+
+    public function center($txt)
+    {
+        $len = $this->strlen($txt);
+        $width = floor(($this->getColumns() + $len) / 2) - $len;
+        return str_repeat(' ', $width) . $txt;
+    }
+
+    public function hasUtf8()
+    {
+        if ($this->isUtf8 === null) {
+            // null should equal 0 here, however seems to equal '' on some systems:
+            $current = setlocale(LC_ALL, 0);
+
+            $parts = preg_split('/;/', $current);
+            $lc_parts = array();
+            foreach ($parts as $part) {
+                if (strpos($part, '=') === false) {
+                    continue;
+                }
+                list($key, $val) = preg_split('/=/', $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 $this->isUtf8;
+    }
+
+    public function clear()
+    {
+        return "\n";
+    }
+
+    public function underline($text)
+    {
+        return $text;
+    }
+
+    public function colorize($text, $fgColor = null, $bgColor = null)
+    {
+        return $text;
+    }
+
+    public static function instance($output = STDOUT)
+    {
+        if (! isset(self::$instances[(int) $output])) {
+            if (function_exists('posix_isatty') && posix_isatty($output)) {
+                self::$instances[(int) $output] = new AnsiScreen();
+            } else {
+                self::$instances[(int) $output] = new Screen();
+            }
+        }
+
+        return self::$instances[(int) $output];
+    }
+}