First commit

vendor/symfony/console/Helper/Helper.php

@@ -0,0 +1,138 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\Helper;
+
+use Symfony\Component\Console\Formatter\OutputFormatterInterface;
+
+/**
+ * Helper is the base class for all helper classes.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Helper implements HelperInterface
+{
+    protected $helperSet = null;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setHelperSet(HelperSet $helperSet = null)
+    {
+        $this->helperSet = $helperSet;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getHelperSet()
+    {
+        return $this->helperSet;
+    }
+
+    /**
+     * Returns the length of a string, using mb_strwidth if it is available.
+     *
+     * @param string $string The string to check its length
+     *
+     * @return int The length of the string
+     */
+    public static function strlen($string)
+    {
+        if (false === $encoding = mb_detect_encoding($string, null, true)) {
+            return strlen($string);
+        }
+
+        return mb_strwidth($string, $encoding);
+    }
+
+    /**
+     * Returns the subset of a string, using mb_substr if it is available.
+     *
+     * @param string   $string String to subset
+     * @param int      $from   Start offset
+     * @param int|null $length Length to read
+     *
+     * @return string The string subset
+     */
+    public static function substr($string, $from, $length = null)
+    {
+        if (false === $encoding = mb_detect_encoding($string, null, true)) {
+            return substr($string, $from, $length);
+        }
+
+        return mb_substr($string, $from, $length, $encoding);
+    }
+
+    public static function formatTime($secs)
+    {
+        static $timeFormats = array(
+            array(0, '< 1 sec'),
+            array(1, '1 sec'),
+            array(2, 'secs', 1),
+            array(60, '1 min'),
+            array(120, 'mins', 60),
+            array(3600, '1 hr'),
+            array(7200, 'hrs', 3600),
+            array(86400, '1 day'),
+            array(172800, 'days', 86400),
+        );
+
+        foreach ($timeFormats as $index => $format) {
+            if ($secs >= $format[0]) {
+                if ((isset($timeFormats[$index + 1]) && $secs < $timeFormats[$index + 1][0])
+                    || $index == count($timeFormats) - 1
+                ) {
+                    if (2 == count($format)) {
+                        return $format[1];
+                    }
+
+                    return floor($secs / $format[2]).' '.$format[1];
+                }
+            }
+        }
+    }
+
+    public static function formatMemory($memory)
+    {
+        if ($memory >= 1024 * 1024 * 1024) {
+            return sprintf('%.1f GiB', $memory / 1024 / 1024 / 1024);
+        }
+
+        if ($memory >= 1024 * 1024) {
+            return sprintf('%.1f MiB', $memory / 1024 / 1024);
+        }
+
+        if ($memory >= 1024) {
+            return sprintf('%d KiB', $memory / 1024);
+        }
+
+        return sprintf('%d B', $memory);
+    }
+
+    public static function strlenWithoutDecoration(OutputFormatterInterface $formatter, $string)
+    {
+        return self::strlen(self::removeDecoration($formatter, $string));
+    }
+
+    public static function removeDecoration(OutputFormatterInterface $formatter, $string)
+    {
+        $isDecorated = $formatter->isDecorated();
+        $formatter->setDecorated(false);
+        // remove <...> formatting
+        $string = $formatter->format($string);
+        // remove already formatted characters
+        $string = preg_replace("/\033\[[^m]*m/", '', $string);
+        $formatter->setDecorated($isDecorated);
+
+        return $string;
+    }
+}