From a1789ddde42033f1b05cc4929491214ee6e79383 Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Thu, 17 Dec 2015 09:15:42 +0100
Subject: Update to MediaWiki 1.26.0

---
 vendor/composer/semver/src/Semver.php | 127 ++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 vendor/composer/semver/src/Semver.php

(limited to 'vendor/composer/semver/src/Semver.php')

diff --git a/vendor/composer/semver/src/Semver.php b/vendor/composer/semver/src/Semver.php
new file mode 100644
index 00000000..0225bb55
--- /dev/null
+++ b/vendor/composer/semver/src/Semver.php
@@ -0,0 +1,127 @@
+<?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 Semver
+{
+    const SORT_ASC = 1;
+    const SORT_DESC = -1;
+
+    /** @var VersionParser */
+    private static $versionParser;
+
+    /**
+     * Determine if given version satisfies given constraints.
+     *
+     * @param string $version
+     * @param string $constraints
+     *
+     * @return bool
+     */
+    public static function satisfies($version, $constraints)
+    {
+        if (null === self::$versionParser) {
+            self::$versionParser = new VersionParser();
+        }
+
+        $versionParser = self::$versionParser;
+        $provider = new Constraint('==', $versionParser->normalize($version));
+        $constraints = $versionParser->parseConstraints($constraints);
+
+        return $constraints->matches($provider);
+    }
+
+    /**
+     * Return all versions that satisfy given constraints.
+     *
+     * @param array $versions
+     * @param string $constraints
+     *
+     * @return array
+     */
+    public static function satisfiedBy(array $versions, $constraints)
+    {
+        $versions = array_filter($versions, function ($version) use ($constraints) {
+            return Semver::satisfies($version, $constraints);
+        });
+
+        return array_values($versions);
+    }
+
+    /**
+     * Sort given array of versions.
+     *
+     * @param array $versions
+     *
+     * @return array
+     */
+    public static function sort(array $versions)
+    {
+        return self::usort($versions, self::SORT_ASC);
+    }
+
+    /**
+     * Sort given array of versions in reverse.
+     *
+     * @param array $versions
+     *
+     * @return array
+     */
+    public static function rsort(array $versions)
+    {
+        return self::usort($versions, self::SORT_DESC);
+    }
+
+    /**
+     * @param array $versions
+     * @param int $direction
+     *
+     * @return array
+     */
+    private static function usort(array $versions, $direction)
+    {
+        if (null === self::$versionParser) {
+            self::$versionParser = new VersionParser();
+        }
+
+        $versionParser = self::$versionParser;
+        $normalized = array();
+
+        // Normalize outside of usort() scope for minor performance increase.
+        // Creates an array of arrays: [[normalized, key], ...]
+        foreach ($versions as $key => $version) {
+            $normalized[] = array($versionParser->normalize($version), $key);
+        }
+
+        usort($normalized, function (array $left, array $right) use ($direction) {
+            if ($left[0] === $right[0]) {
+                return 0;
+            }
+
+            if (Comparator::lessThan($left[0], $right[0])) {
+                return -$direction;
+            }
+
+            return $direction;
+        });
+
+        // Recreate input array, using the original indexes which are now in sorted order.
+        $sorted = array();
+        foreach ($normalized as $item) {
+            $sorted[] = $versions[$item[1]];
+        }
+
+        return $sorted;
+    }
+}
-- 
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