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redonate/public_html/lib/swiftmailer/classes/Swift/Mime/ContentEncoder/NativeQpContentEncoder.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.
*/
/**
* Handles Quoted Printable (QP) Transfer Encoding in Swift Mailer using the PHP core function.
*
* @package Swift
* @subpackage Mime
* @author Lars Strojny
*/
class Swift_Mime_ContentEncoder_NativeQpContentEncoder implements Swift_Mime_ContentEncoder
{
/**
* Notify this observer that the entity's charset has changed.
*
* @param string $charset
*/
public function charsetChanged($charset)
{
if ($charset !== 'utf-8') {
throw new RuntimeException(
sprintf('Charset "%s" not supported. NativeQpContentEncoder only supports "utf-8"', $charset));
}
}
/**
* Encode $in to $out.
*
* @param Swift_OutputByteStream $os to read from
* @param Swift_InputByteStream $is to write to
* @param integer $firstLineOffset
* @param integer $maxLineLength 0 indicates the default length for this encoding
*/
public function encodeByteStream(Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0, $maxLineLength = 0)
{
$string = '';
while (false !== $bytes = $os->read(8192)) {
$string .= $bytes;
}
$is->write($this->encodeString($string));
}
/**
* Get the MIME name of this content encoding scheme.
*
* @return string
*/
public function getName()
{
return 'quoted-printable';
}
/**
* Encode a given string to produce an encoded string.
*
* @param string $string
* @param integer $firstLineOffset if first line needs to be shorter
* @param integer $maxLineLength 0 indicates the default length for this encoding
*
* @return string
*/
public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0)
{
return quoted_printable_encode($string);
}
}