diff options
Diffstat (limited to 'vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php')
-rw-r--r-- | vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php b/vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php new file mode 100644 index 00000000..49ea90e6 --- /dev/null +++ b/vendor/swiftmailer/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php @@ -0,0 +1,123 @@ +<?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. + */ + +/** + * Handles Quoted Printable (QP) Transfer Encoding in Swift Mailer. + * + * @author Chris Corbyn + */ +class Swift_Mime_ContentEncoder_QpContentEncoder extends Swift_Encoder_QpEncoder implements Swift_Mime_ContentEncoder +{ + protected $_dotEscape; + + /** + * 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 + * @param bool $dotEscape if dot stuffing workaround must be enabled + */ + public function __construct(Swift_CharacterStream $charStream, Swift_StreamFilter $filter = null, $dotEscape = false) + { + $this->_dotEscape = $dotEscape; + parent::__construct($charStream, $filter); + } + + public function __sleep() + { + return array('_charStream', '_filter', '_dotEscape'); + } + + protected function getSafeMapShareId() + { + return get_class($this).($this->_dotEscape ? '.dotEscape' : ''); + } + + protected function initSafeMap() + { + parent::initSafeMap(); + if ($this->_dotEscape) { + /* Encode . as =2e for buggy remote servers */ + unset($this->_safeMap[0x2e]); + } + } + + /** + * 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'; + } +} |