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-rwxr-xr-xExternal/swiftmailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php89
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diff --git a/External/swiftmailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php b/External/swiftmailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php
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+<?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';
+//@require 'Swift/CharacterStream.php';
+
+/**
+ * Handles RFC 2231 specified Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Encoder
+ * @author Chris Corbyn
+ */
+class Swift_Encoder_Rfc2231Encoder implements Swift_Encoder
+{
+
+ /**
+ * A character stream to use when reading a string as characters instead of bytes.
+ * @var Swift_CharacterStream
+ * @access private
+ */
+ private $_charStream;
+
+ /**
+ * Creates a new Rfc2231Encoder using the given character stream instance.
+ * @param Swift_CharacterStream
+ */
+ public function __construct(Swift_CharacterStream $charStream)
+ {
+ $this->_charStream = $charStream;
+ }
+
+ /**
+ * Takes an unencoded string and produces a string encoded according to
+ * RFC 2231 from it.
+ * @param string $string to encode
+ * @param int $firstLineOffset
+ * @param int $maxLineLength, optional, 0 indicates the default of 75 bytes
+ * @return string
+ */
+ public function encodeString($string, $firstLineOffset = 0,
+ $maxLineLength = 0)
+ {
+ $lines = array(); $lineCount = 0;
+ $lines[] = '';
+ $currentLine =& $lines[$lineCount++];
+
+ if (0 >= $maxLineLength)
+ {
+ $maxLineLength = 75;
+ }
+
+ $this->_charStream->flushContents();
+ $this->_charStream->importString($string);
+
+ $thisLineLength = $maxLineLength - $firstLineOffset;
+
+ while (false !== $char = $this->_charStream->read(4))
+ {
+ $encodedChar = rawurlencode($char);
+ if (0 != strlen($currentLine)
+ && strlen($currentLine . $encodedChar) > $thisLineLength)
+ {
+ $lines[] = '';
+ $currentLine =& $lines[$lineCount++];
+ $thisLineLength = $maxLineLength;
+ }
+ $currentLine .= $encodedChar;
+ }
+
+ return implode("\r\n", $lines);
+ }
+
+ /**
+ * Updates the charset used.
+ * @param string $charset
+ */
+ public function charsetChanged($charset)
+ {
+ $this->_charStream->setCharacterSet($charset);
+ }
+
+}