Version 1

[yaffs-website] / vendor / mikey179 / vfsStream / src / main / php / org / bovigo / vfs / Quota.php

diff --git a/vendor/mikey179/vfsStream/src/main/php/org/bovigo/vfs/Quota.php b/vendor/mikey179/vfsStream/src/main/php/org/bovigo/vfs/Quota.php
new file mode 100644 (file)
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+++ b/vendor/mikey179/vfsStream/src/main/php/org/bovigo/vfs/Quota.php
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+<?php
+/**
+ * This file is part of vfsStream.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @package  org\bovigo\vfs
+ */
+namespace org\bovigo\vfs;
+/**
+ * Represents a quota for disk space.
+ *
+ * @since     1.1.0
+ * @internal
+ */
+class Quota
+{
+    /**
+     * unlimited quota
+     */
+    const UNLIMITED   = -1;
+    /**
+     * quota in bytes
+     *
+     * A value of -1 is treated as unlimited.
+     *
+     * @type  int
+     */
+    private $amount;
+
+    /**
+     * constructor
+     *
+     * @param  int  $amount  quota in bytes
+     */
+    public function __construct($amount)
+    {
+        $this->amount = $amount;
+    }
+
+    /**
+     * create with unlimited space
+     *
+     * @return  Quota
+     */
+    public static function unlimited()
+    {
+        return new self(self::UNLIMITED);
+    }
+
+    /**
+     * checks if a quota is set
+     *
+     * @return  bool
+     */
+    public function isLimited()
+    {
+        return self::UNLIMITED < $this->amount;
+    }
+
+    /**
+     * checks if given used space exceeda quota limit
+     *
+     *
+     * @param     int   $usedSpace
+     * @return    int
+     */
+    public function spaceLeft($usedSpace)
+    {
+        if (self::UNLIMITED === $this->amount) {
+            return $usedSpace;
+        }
+
+        if ($usedSpace >= $this->amount) {
+            return 0;
+        }
+
+        $spaceLeft = $this->amount - $usedSpace;
+        if (0 >= $spaceLeft) {
+            return 0;
+        }
+
+        return $spaceLeft;
+    }
+}