From 07f5140771388c9e0c8a99b0dd2e5d950bdb173b Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Thu, 14 Oct 2021 15:16:42 +1100
Subject: moving h-source subdir out.

---
 .../lib/classes/Swift/Encoder/Base64Encoder.php    | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100755 External/swiftmailer/lib/classes/Swift/Encoder/Base64Encoder.php

(limited to 'External/swiftmailer/lib/classes/Swift/Encoder/Base64Encoder.php')

diff --git a/External/swiftmailer/lib/classes/Swift/Encoder/Base64Encoder.php b/External/swiftmailer/lib/classes/Swift/Encoder/Base64Encoder.php
new file mode 100755
index 0000000..09c71ba
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Encoder/Base64Encoder.php
@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Encoder.php';
+
+/**
+ * Handles Base 64 Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Encoder
+ * @author Chris Corbyn
+ */
+class Swift_Encoder_Base64Encoder implements Swift_Encoder
+{
+  
+  /**
+   * Takes an unencoded string and produces a Base64 encoded string from it.
+   * Base64 encoded strings have a maximum line length of 76 characters.
+   * If the first line needs to be shorter, indicate the difference with
+   * $firstLineOffset.
+   * @param string $string to encode
+   * @param int $firstLineOffset
+   * @param int $maxLineLength, optional, 0 indicates the default of 76 bytes
+   * @return string
+   */
+  public function encodeString($string, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if (0 >= $maxLineLength || 76 < $maxLineLength)
+    {
+      $maxLineLength = 76;
+    }
+    
+    $encodedString = base64_encode($string);
+    $firstLine = '';
+    
+    if (0 != $firstLineOffset)
+    {
+      $firstLine = substr(
+        $encodedString, 0, $maxLineLength - $firstLineOffset
+        ) . "\r\n";
+      $encodedString = substr(
+        $encodedString, $maxLineLength - $firstLineOffset
+        );
+    }
+    
+    return $firstLine . trim(chunk_split($encodedString, $maxLineLength, "\r\n"));
+  }
+  
+  /**
+   * Does nothing.
+   */
+  public function charsetChanged($charset)
+  {
+  }
+  
+}
-- 
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