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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.
*/
/**
* Proxy for quoted-printable content encoders.
*
* Switches on the best QP encoder implementation for current charset.
*
* @author Jean-François Simon <[email protected]>
*/
class Swift_Mime_ContentEncoder_QpContentEncoderProxy implements Swift_Mime_ContentEncoder
{
/**
* @var Swift_Mime_ContentEncoder_QpContentEncoder
*/
private $safeEncoder;
/**
* @var Swift_Mime_ContentEncoder_NativeQpContentEncoder
*/
private $nativeEncoder;
/**
* @var null|string
*/
private $charset;
/**
* Constructor.
*
* @param string|null $charset
*/
public function __construct(Swift_Mime_ContentEncoder_QpContentEncoder $safeEncoder, Swift_Mime_ContentEncoder_NativeQpContentEncoder $nativeEncoder, $charset)
{
$this->safeEncoder = $safeEncoder;
$this->nativeEncoder = $nativeEncoder;
$this->charset = $charset;
}
/**
* Make a deep copy of object.
*/
public function __clone()
{
$this->safeEncoder = clone $this->safeEncoder;
$this->nativeEncoder = clone $this->nativeEncoder;
}
/**
* {@inheritdoc}
*/
public function charsetChanged($charset)
{
$this->charset = $charset;
$this->safeEncoder->charsetChanged($charset);
}
/**
* {@inheritdoc}
*/
public function encodeByteStream(Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0, $maxLineLength = 0)
{
$this->getEncoder()->encodeByteStream($os, $is, $firstLineOffset, $maxLineLength);
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'quoted-printable';
}
/**
* {@inheritdoc}
*/
public function encodeString($string, $firstLineOffset = 0, $maxLineLength = 0)
{
return $this->getEncoder()->encodeString($string, $firstLineOffset, $maxLineLength);
}
/**
* @return Swift_Mime_ContentEncoder
*/
private function getEncoder()
{
return 'utf-8' === $this->charset ? $this->nativeEncoder : $this->safeEncoder;
}
}