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.

---
 .../Mime/ContentEncoder/Base64ContentEncoder.php   | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100755 External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php

(limited to 'External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php')

diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php
new file mode 100755
index 0000000..e89938e
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php
@@ -0,0 +1,81 @@
+<?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/Mime/ContentEncoder.php';
+//@require 'Swift/Encoder/Base64Encoder.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStream.php';
+
+/**
+ * Handles Base 64 Transfer Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_Base64ContentEncoder
+  extends Swift_Encoder_Base64Encoder
+  implements Swift_Mime_ContentEncoder
+{
+  
+  /**
+   * Encode stream $in to stream $out.
+   * @param Swift_OutputByteStream $in
+   * @param Swift_InputByteStream $out
+   * @param int $firstLineOffset
+   * @param int $maxLineLength, optional, 0 indicates the default of 76 bytes
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if (0 >= $maxLineLength || 76 < $maxLineLength)
+    {
+      $maxLineLength = 76;
+    }
+    
+    $remainder = 0;
+    
+    while (false !== $bytes = $os->read(8190))
+    {
+      $encoded = base64_encode($bytes);
+      $encodedTransformed = '';
+      $thisMaxLineLength = $maxLineLength - $remainder - $firstLineOffset;
+      
+      while ($thisMaxLineLength < strlen($encoded))
+      {
+        $encodedTransformed .= substr($encoded, 0, $thisMaxLineLength) . "\r\n";
+        $firstLineOffset = 0;
+        $encoded = substr($encoded, $thisMaxLineLength);
+        $thisMaxLineLength = $maxLineLength;
+        $remainder = 0;
+      }
+      
+      if (0 < $remainingLength = strlen($encoded))
+      {
+        $remainder += $remainingLength;
+        $encodedTransformed .= $encoded;
+        $encoded = null;
+      }
+      
+      $is->write($encodedTransformed);
+    }
+  }
+  
+  /**
+   * Get the name of this encoding scheme.
+   * Returns the string 'base64'.
+   * @return string
+   */
+  public function getName()
+  {
+    return 'base64';
+  }
+  
+}
-- 
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