Update website

admin/phpMyAdmin/vendor/phpmyadmin/shapefile/src/Util.php

@@ -0,0 +1,126 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * phpMyAdmin ShapeFile library
+ * <https://github.com/phpmyadmin/shapefile/>.
+ *
+ * Copyright 2006-2007 Ovidio <ovidio AT users.sourceforge.net>
+ * Copyright 2016 - 2017 Michal Čihař <michal@cihar.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you can download one from
+ * https://www.gnu.org/copyleft/gpl.html.
+ */
+
+namespace PhpMyAdmin\ShapeFile;
+
+use function current;
+use function pack;
+use function sprintf;
+use function strlen;
+use function unpack;
+
+class Util
+{
+    /** @var bool|null */
+    private static $littleEndian = null;
+
+    /** @var array */
+    private static $shapeNames = [
+        0 => 'Null Shape',
+        1 => 'Point',
+        3 => 'PolyLine',
+        5 => 'Polygon',
+        8 => 'MultiPoint',
+        11 => 'PointZ',
+        13 => 'PolyLineZ',
+        15 => 'PolygonZ',
+        18 => 'MultiPointZ',
+        21 => 'PointM',
+        23 => 'PolyLineM',
+        25 => 'PolygonM',
+        28 => 'MultiPointM',
+        31 => 'MultiPatch',
+    ];
+
+    /**
+     * Reads data.
+     *
+     * @param string       $type type for unpack()
+     * @param string|false $data Data to process
+     *
+     * @return mixed|false
+     */
+    public static function loadData(string $type, $data)
+    {
+        if ($data === false) {
+            return false;
+        }
+
+        if (strlen($data) === 0) {
+            return false;
+        }
+
+        $tmp = unpack($type, $data);
+
+        return $tmp === false ? $tmp : current($tmp);
+    }
+
+    /**
+     * Changes endianity.
+     *
+     * @param string $binValue Binary value
+     */
+    public static function swap(string $binValue): string
+    {
+        $result = $binValue[strlen($binValue) - 1];
+        for ($i = strlen($binValue) - 2; $i >= 0; --$i) {
+            $result .= $binValue[$i];
+        }
+
+        return $result;
+    }
+
+    /**
+     * Encodes double value to correct endianity.
+     *
+     * @param float $value Value to pack
+     */
+    public static function packDouble(float $value): string
+    {
+        $bin = pack('d', (float) $value);
+
+        if (self::$littleEndian === null) {
+            self::$littleEndian = (pack('L', 1) === pack('V', 1));
+        }
+
+        if (self::$littleEndian) {
+            return $bin;
+        }
+
+        return self::swap($bin);
+    }
+
+    /**
+     * Returns shape name.
+     */
+    public static function nameShape(int $type): string
+    {
+        if (isset(self::$shapeNames[$type])) {
+            return self::$shapeNames[$type];
+        }
+
+        return sprintf('Shape %d', $type);
+    }
+}