package and depencies

vendor/composer/semver/src/Interval.php

@@ -0,0 +1,98 @@
+<?php
+
+/*
+ * This file is part of composer/semver.
+ *
+ * (c) Composer <https://github.com/composer>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Composer\Semver;
+
+use Composer\Semver\Constraint\Constraint;
+
+class Interval
+{
+    /** @var Constraint */
+    private $start;
+    /** @var Constraint */
+    private $end;
+
+    public function __construct(Constraint $start, Constraint $end)
+    {
+        $this->start = $start;
+        $this->end = $end;
+    }
+
+    /**
+     * @return Constraint
+     */
+    public function getStart()
+    {
+        return $this->start;
+    }
+
+    /**
+     * @return Constraint
+     */
+    public function getEnd()
+    {
+        return $this->end;
+    }
+
+    /**
+     * @return Constraint
+     */
+    public static function fromZero()
+    {
+        static $zero;
+
+        if (null === $zero) {
+            $zero = new Constraint('>=', '0.0.0.0-dev');
+        }
+
+        return $zero;
+    }
+
+    /**
+     * @return Constraint
+     */
+    public static function untilPositiveInfinity()
+    {
+        static $positiveInfinity;
+
+        if (null === $positiveInfinity) {
+            $positiveInfinity = new Constraint('<', PHP_INT_MAX.'.0.0.0');
+        }
+
+        return $positiveInfinity;
+    }
+
+    /**
+     * @return self
+     */
+    public static function any()
+    {
+        return new self(self::fromZero(), self::untilPositiveInfinity());
+    }
+
+    /**
+     * @return array{'names': string[], 'exclude': bool}
+     */
+    public static function anyDev()
+    {
+        // any == exclude nothing
+        return array('names' => array(), 'exclude' => true);
+    }
+
+    /**
+     * @return array{'names': string[], 'exclude': bool}
+     */
+    public static function noDev()
+    {
+        // nothing == no names included
+        return array('names' => array(), 'exclude' => false);
+    }
+}