first commit

include/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoderProxy.php

@@ -0,0 +1,96 @@
+<?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 <jeanfrancois.simon@sensiolabs.com>
+ */
+class Swift_Mime_ContentEncoder_QpContentEncoderProxy implements Swift_Mime_ContentEncoder
+{
+    /**
+     * @var Swift_Mime_ContentEncoder_QpContentEncoder
+     */
+    private $safeEncoder;
+
+    /**
+     * @var Swift_Mime_ContentEncoder_NativeQpContentEncoder
+     */
+    private $nativeEncoder;
+
+    /**
+     * @var string|null
+     */
+    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;
+    }
+}