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.

---
 .../Swift/Mime/ContentEncoder/QpContentEncoder.php | 117 +++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100755 External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php

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

diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php
new file mode 100755
index 0000000..3beeb63
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php
@@ -0,0 +1,117 @@
+<?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/QpEncoder.php';
+//@require 'Swift/InputByteStrean.php';
+//@require 'Swift/OutputByteStream.php';
+//@require 'Swift/CharacterStream.php';
+
+/**
+ * Handles Quoted Printable (QP) Transfer Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_QpContentEncoder extends Swift_Encoder_QpEncoder
+  implements Swift_Mime_ContentEncoder
+{
+
+  /**
+   * Creates a new QpContentEncoder for the given CharacterStream.
+   * @param Swift_CharacterStream $charStream to use for reading characters
+   * @param Swift_StreamFilter $filter if canonicalization should occur
+   */
+  public function __construct(Swift_CharacterStream $charStream,
+    Swift_StreamFilter $filter = null)
+  {
+    parent::__construct($charStream, $filter);
+  }
+
+  /**
+   * Encode stream $in to stream $out.
+   * QP encoded strings have a maximum line length of 76 characters.
+   * If the first line needs to be shorter, indicate the difference with
+   * $firstLineOffset.
+   * @param Swift_OutputByteStream $os output stream
+   * @param Swift_InputByteStream $is input stream
+   * @param int $firstLineOffset
+   * @param int $maxLineLength
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if ($maxLineLength > 76 || $maxLineLength <= 0)
+    {
+      $maxLineLength = 76;
+    }
+
+    $thisLineLength = $maxLineLength - $firstLineOffset;
+
+    $this->_charStream->flushContents();
+    $this->_charStream->importByteStream($os);
+    
+    $currentLine = '';
+    $prepend = '';
+    $size=$lineLen=0;
+
+    while (false !== $bytes = $this->_nextSequence())
+    {
+      //If we're filtering the input
+      if (isset($this->_filter))
+      {
+        //If we can't filter because we need more bytes
+        while ($this->_filter->shouldBuffer($bytes))
+        {
+          //Then collect bytes into the buffer
+          if (false === $moreBytes = $this->_nextSequence(1))
+          {
+            break;
+          }
+
+          foreach ($moreBytes as $b)
+          {
+            $bytes[] = $b;
+          }
+        }
+        //And filter them
+        $bytes = $this->_filter->filter($bytes);
+      }
+
+      $enc = $this->_encodeByteSequence($bytes, $size);
+      if ($currentLine && $lineLen+$size >= $thisLineLength)
+      {
+        $is->write($prepend . $this->_standardize($currentLine));
+        $currentLine = '';
+        $prepend = "=\r\n";
+        $thisLineLength = $maxLineLength;
+        $lineLen=0;
+      }
+      $lineLen+=$size;
+      $currentLine .= $enc;
+    }
+    if (strlen($currentLine))
+    {
+      $is->write($prepend . $this->_standardize($currentLine));
+    }
+  }
+
+  /**
+   * Get the name of this encoding scheme.
+   * Returns the string 'quoted-printable'.
+   * @return string
+   */
+  public function getName()
+  {
+    return 'quoted-printable';
+  }
+
+}
-- 
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