diff -r 000000000000 -r 7f95f8617b0b vendor/swiftmailer/lib/classes/Swift/CharacterReader/UsAsciiReader.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/swiftmailer/lib/classes/Swift/CharacterReader/UsAsciiReader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,82 @@
+<?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.
+ */
+
+
+/**
+ * Analyzes US-ASCII characters.
+ * @package Swift
+ * @subpackage Encoder
+ * @author Chris Corbyn
+ */
+class Swift_CharacterReader_UsAsciiReader
+  implements Swift_CharacterReader
+{
+  /**
+   * Returns the complete charactermap
+   *
+   * @param string $string
+   * @param int $startOffset
+   * @param string $ignoredChars
+   */
+  public function getCharPositions($string, $startOffset, &$currentMap, &$ignoredChars)
+  {
+  	$strlen=strlen($string);
+  	$ignoredChars='';
+  	for( $i = 0; $i < $strlen; ++$i)
+  	{
+  	  if ($string[$i]>"\x07F")
+  	  { // Invalid char
+  	  	$currentMap[$i+$startOffset]=$string[$i];
+  	  }
+  	}
+  	return $strlen;
+  }
+  
+  /**
+   * Returns mapType
+   * @int mapType
+   */
+  public function getMapType()
+  {
+  	return self::MAP_TYPE_INVALID;
+  }
+ 
+  /**
+   * Returns an integer which specifies how many more bytes to read.
+   * A positive integer indicates the number of more bytes to fetch before invoking
+   * this method again.
+   * A value of zero means this is already a valid character.
+   * A value of -1 means this cannot possibly be a valid character.
+   * @param string $bytes
+   * @return int
+   */
+  public function validateByteSequence($bytes, $size)
+  {
+    $byte = reset($bytes);
+    if (1 == count($bytes) && $byte >= 0x00 && $byte <= 0x7F)
+    {
+      return 0;
+    }
+    else
+    {
+      return -1;
+    }
+  }
+
+  /**
+   * Returns the number of bytes which should be read to start each character.
+   * @return int
+   */
+  public function getInitialByteSize()
+  {
+    return 1;
+  }
+
+}