1 files changed, 187 insertions, 0 deletions
diff --git a/vendor/scssphp/scssphp/src/SourceMap/Base64.php b/vendor/scssphp/scssphp/src/SourceMap/Base64.php
new file mode 100644
index 000000000..00b6b4545
--- /dev/null
+++ b/vendor/scssphp/scssphp/src/SourceMap/Base64.php
@@ -0,0 +1,187 @@
+<?php
+
+/**
+ * SCSSPHP
+ *
+ * @copyright 2012-2020 Leaf Corcoran
+ *
+ * @license http://opensource.org/licenses/MIT MIT
+ *
+ * @link http://scssphp.github.io/scssphp
+ */
+
+namespace ScssPhp\ScssPhp\SourceMap;
+
+/**
+ * Base 64 Encode/Decode
+ *
+ * @author Anthon Pang <anthon.pang@gmail.com>
+ *
+ * @internal
+ */
+class Base64
+{
+    /**
+     * @var array<int, string>
+     */
+    private static $encodingMap = [
+        0 => 'A',
+        1 => 'B',
+        2 => 'C',
+        3 => 'D',
+        4 => 'E',
+        5 => 'F',
+        6 => 'G',
+        7 => 'H',
+        8 => 'I',
+        9 => 'J',
+        10 => 'K',
+        11 => 'L',
+        12 => 'M',
+        13 => 'N',
+        14 => 'O',
+        15 => 'P',
+        16 => 'Q',
+        17 => 'R',
+        18 => 'S',
+        19 => 'T',
+        20 => 'U',
+        21 => 'V',
+        22 => 'W',
+        23 => 'X',
+        24 => 'Y',
+        25 => 'Z',
+        26 => 'a',
+        27 => 'b',
+        28 => 'c',
+        29 => 'd',
+        30 => 'e',
+        31 => 'f',
+        32 => 'g',
+        33 => 'h',
+        34 => 'i',
+        35 => 'j',
+        36 => 'k',
+        37 => 'l',
+        38 => 'm',
+        39 => 'n',
+        40 => 'o',
+        41 => 'p',
+        42 => 'q',
+        43 => 'r',
+        44 => 's',
+        45 => 't',
+        46 => 'u',
+        47 => 'v',
+        48 => 'w',
+        49 => 'x',
+        50 => 'y',
+        51 => 'z',
+        52 => '0',
+        53 => '1',
+        54 => '2',
+        55 => '3',
+        56 => '4',
+        57 => '5',
+        58 => '6',
+        59 => '7',
+        60 => '8',
+        61 => '9',
+        62 => '+',
+        63 => '/',
+    ];
+
+    /**
+     * @var array<string|int, int>
+     */
+    private static $decodingMap = [
+        'A' => 0,
+        'B' => 1,
+        'C' => 2,
+        'D' => 3,
+        'E' => 4,
+        'F' => 5,
+        'G' => 6,
+        'H' => 7,
+        'I' => 8,
+        'J' => 9,
+        'K' => 10,
+        'L' => 11,
+        'M' => 12,
+        'N' => 13,
+        'O' => 14,
+        'P' => 15,
+        'Q' => 16,
+        'R' => 17,
+        'S' => 18,
+        'T' => 19,
+        'U' => 20,
+        'V' => 21,
+        'W' => 22,
+        'X' => 23,
+        'Y' => 24,
+        'Z' => 25,
+        'a' => 26,
+        'b' => 27,
+        'c' => 28,
+        'd' => 29,
+        'e' => 30,
+        'f' => 31,
+        'g' => 32,
+        'h' => 33,
+        'i' => 34,
+        'j' => 35,
+        'k' => 36,
+        'l' => 37,
+        'm' => 38,
+        'n' => 39,
+        'o' => 40,
+        'p' => 41,
+        'q' => 42,
+        'r' => 43,
+        's' => 44,
+        't' => 45,
+        'u' => 46,
+        'v' => 47,
+        'w' => 48,
+        'x' => 49,
+        'y' => 50,
+        'z' => 51,
+        0 => 52,
+        1 => 53,
+        2 => 54,
+        3 => 55,
+        4 => 56,
+        5 => 57,
+        6 => 58,
+        7 => 59,
+        8 => 60,
+        9 => 61,
+        '+' => 62,
+        '/' => 63,
+    ];
+
+    /**
+     * Convert to base64
+     *
+     * @param int $value
+     *
+     * @return string
+     */
+    public static function encode($value)
+    {
+        return self::$encodingMap[$value];
+    }
+
+    /**
+     * Convert from base64
+     *
+     * @param string $value
+     *
+     * @return int
+     */
+    public static function decode($value)
+    {
+        return self::$decodingMap[$value];
+    }
+}