/framework/vendor/swift/lib/classes/Swift/Encoder/Base64Encoder.php
http://zoop.googlecode.com/ · PHP · 63 lines · 27 code · 9 blank · 27 comment · 4 complexity · 8249a9a530b6dfbe32f1a8d5bf066f83 MD5 · raw file
- <?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';
- /**
- * Handles Base 64 Encoding in Swift Mailer.
- * @package Swift
- * @subpackage Encoder
- * @author Chris Corbyn
- */
- class Swift_Encoder_Base64Encoder implements Swift_Encoder
- {
-
- /**
- * Takes an unencoded string and produces a Base64 encoded string from it.
- * Base64 encoded strings have a maximum line length of 76 characters.
- * If the first line needs to be shorter, indicate the difference with
- * $firstLineOffset.
- * @param string $string to encode
- * @param int $firstLineOffset
- * @param int $maxLineLength, optional, 0 indicates the default of 76 bytes
- * @return string
- */
- public function encodeString($string, $firstLineOffset = 0,
- $maxLineLength = 0)
- {
- if (0 >= $maxLineLength || 76 < $maxLineLength)
- {
- $maxLineLength = 76;
- }
-
- $encodedString = base64_encode($string);
- $firstLine = '';
-
- if (0 != $firstLineOffset)
- {
- $firstLine = substr(
- $encodedString, 0, $maxLineLength - $firstLineOffset
- ) . "\r\n";
- $encodedString = substr(
- $encodedString, $maxLineLength - $firstLineOffset
- );
- }
-
- return $firstLine . trim(chunk_split($encodedString, $maxLineLength, "\r\n"));
- }
-
- /**
- * Does nothing.
- */
- public function charsetChanged($charset)
- {
- }
-
- }