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Diffstat (limited to 'h-source/External/swiftmailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php')
-rw-r--r-- | h-source/External/swiftmailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php b/h-source/External/swiftmailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php new file mode 100644 index 0000000..febc6ba --- /dev/null +++ b/h-source/External/swiftmailer/lib/classes/Swift/Encoder/Rfc2231Encoder.php @@ -0,0 +1,89 @@ +<?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); + } + +} |