added files

7 files changed, 1699 insertions, 0 deletions

diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/AbstractHeader.php b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/AbstractHeader.php
new file mode 100644
index 0000000..c3049c2
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/AbstractHeader.php
@@ -0,0 +1,596 @@
+<?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/Mime/Header.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+//@require 'Swift/RfcComplianceException.php';
+
+/**
+ * An abstract base MIME Header.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+abstract class Swift_Mime_Headers_AbstractHeader implements Swift_Mime_Header
+{
+  
+  /**
+   * Special characters used in the syntax which need to be escaped.
+   * @var string[]
+   * @access private
+   */
+  private $_specials = array();
+  
+  /**
+   * Tokens defined in RFC 2822 (and some related RFCs).
+   * @var string[]
+   * @access private
+   */
+  private $_grammar = array();
+  
+  /**
+   * The name of this Header.
+   * @var string
+   * @access private
+   */
+  private $_name;
+  
+  /**
+   * The Encoder used to encode this Header.
+   * @var Swift_Encoder
+   * @access private
+   */
+  private $_encoder;
+  
+  /**
+   * The maximum length of a line in the header.
+   * @var int
+   * @access private
+   */
+  private $_lineLength = 78;
+  
+  /**
+   * The language used in this Header.
+   * @var string
+   */
+  private $_lang;
+  
+  /**
+   * The character set of the text in this Header.
+   * @var string
+   * @access private
+   */
+  private $_charset = 'utf-8';
+  
+  /**
+   * The value of this Header, cached.
+   * @var string
+   * @access private
+   */
+  private $_cachedValue = null;
+  
+  /**
+   * Set the character set used in this Header.
+   * @param string $charset
+   */
+  public function setCharset($charset)
+  {
+    $this->clearCachedValueIf($charset != $this->_charset);
+    $this->_charset = $charset;
+    if (isset($this->_encoder))
+    {
+      $this->_encoder->charsetChanged($charset);
+    }
+  }
+  
+  /**
+   * Get the character set used in this Header.
+   * @return string
+   */
+  public function getCharset()
+  {
+    return $this->_charset;
+  }
+  
+  /**
+   * Set the language used in this Header.
+   * For example, for US English, 'en-us'.
+   * This can be unspecified.
+   * @param string $lang
+   */
+  public function setLanguage($lang)
+  {
+    $this->clearCachedValueIf($this->_lang != $lang);
+    $this->_lang = $lang;
+  }
+  
+  /**
+   * Get the language used in this Header.
+   * @return string
+   */
+  public function getLanguage()
+  {
+    return $this->_lang;
+  }
+  
+  /**
+   * Set the encoder used for encoding the header.
+   * @param Swift_Mime_HeaderEncoder $encoder
+   */
+  public function setEncoder(Swift_Mime_HeaderEncoder $encoder)
+  {
+    $this->_encoder = $encoder;
+    $this->setCachedValue(null);
+  }
+  
+  /**
+   * Get the encoder used for encoding this Header.
+   * @return Swift_Mime_HeaderEncoder
+   */
+  public function getEncoder()
+  {
+    return $this->_encoder;
+  }
+  
+  /**
+   * Get the name of this header (e.g. charset).
+   * @return string
+   */
+  public function getFieldName()
+  {
+    return $this->_name;
+  }
+  
+  /**
+   * Set the maximum length of lines in the header (excluding EOL).
+   * @param int $lineLength
+   */
+  public function setMaxLineLength($lineLength)
+  {
+    $this->clearCachedValueIf($this->_lineLength != $lineLength);
+    $this->_lineLength = $lineLength;
+  }
+  
+  /**
+   * Get the maximum permitted length of lines in this Header.
+   * @return int
+   */
+  public function getMaxLineLength()
+  {
+    return $this->_lineLength;
+  }
+  
+  /**
+   * Get this Header rendered as a RFC 2822 compliant string.
+   * @return string
+   * @throws Swift_RfcComplianceException
+   */
+  public function toString()
+  {
+    return $this->_tokensToString($this->toTokens());
+  }
+  
+  /**
+   * Returns a string representation of this object.
+   *
+   * @return string
+   *
+   * @see toString()
+   */
+  public function __toString()
+  {
+    return $this->toString();
+  }
+  
+  // -- Points of extension
+  
+  /**
+   * Set the name of this Header field.
+   * @param string $name
+   * @access protected
+   */
+  protected function setFieldName($name)
+  {
+    $this->_name = $name;
+  }
+  
+  /**
+   * Initialize some RFC 2822 (and friends) ABNF grammar definitions.
+   * @access protected
+   */
+  protected function initializeGrammar()
+  {
+    $this->_specials = array(
+      '(', ')', '<', '>', '[', ']',
+      ':', ';', '@', ',', '.', '"'
+      );
+    
+    /*** Refer to RFC 2822 for ABNF grammar ***/
+    
+    //All basic building blocks
+    $this->_grammar['NO-WS-CTL'] = '[\x01-\x08\x0B\x0C\x0E-\x19\x7F]';
+    $this->_grammar['WSP'] = '[ \t]';
+    $this->_grammar['CRLF'] = '(?:\r\n)';
+    $this->_grammar['FWS'] = '(?:(?:' . $this->_grammar['WSP'] . '*' .
+        $this->_grammar['CRLF'] . ')?' . $this->_grammar['WSP'] . ')';
+    $this->_grammar['text'] = '[\x00-\x08\x0B\x0C\x0E-\x7F]';
+    $this->_grammar['quoted-pair'] = '(?:\\\\' . $this->_grammar['text'] . ')';
+    $this->_grammar['ctext'] = '(?:' . $this->_grammar['NO-WS-CTL'] .
+        '|[\x21-\x27\x2A-\x5B\x5D-\x7E])';
+    //Uses recursive PCRE (?1) -- could be a weak point??
+    $this->_grammar['ccontent'] = '(?:' . $this->_grammar['ctext'] . '|' .
+        $this->_grammar['quoted-pair'] . '|(?1))';
+    $this->_grammar['comment'] = '(\((?:' . $this->_grammar['FWS'] . '|' .
+        $this->_grammar['ccontent']. ')*' . $this->_grammar['FWS'] . '?\))';
+    $this->_grammar['CFWS'] = '(?:(?:' . $this->_grammar['FWS'] . '?' .
+        $this->_grammar['comment'] . ')*(?:(?:' . $this->_grammar['FWS'] . '?' .
+        $this->_grammar['comment'] . ')|' . $this->_grammar['FWS'] . '))';
+    $this->_grammar['qtext'] = '(?:' . $this->_grammar['NO-WS-CTL'] .
+        '|[\x21\x23-\x5B\x5D-\x7E])';
+    $this->_grammar['qcontent'] = '(?:' . $this->_grammar['qtext'] . '|' .
+        $this->_grammar['quoted-pair'] . ')';
+    $this->_grammar['quoted-string'] = '(?:' . $this->_grammar['CFWS'] . '?"' .
+        '(' . $this->_grammar['FWS'] . '?' . $this->_grammar['qcontent'] . ')*' .
+        $this->_grammar['FWS'] . '?"' . $this->_grammar['CFWS'] . '?)';
+    $this->_grammar['atext'] = '[a-zA-Z0-9!#\$%&\'\*\+\-\/=\?\^_`\{\}\|~]';
+    $this->_grammar['atom'] = '(?:' . $this->_grammar['CFWS'] . '?' .
+        $this->_grammar['atext'] . '+' . $this->_grammar['CFWS'] . '?)';
+    $this->_grammar['dot-atom-text'] = '(?:' . $this->_grammar['atext'] . '+' .
+        '(\.' . $this->_grammar['atext'] . '+)*)';
+    $this->_grammar['dot-atom'] = '(?:' . $this->_grammar['CFWS'] . '?' .
+        $this->_grammar['dot-atom-text'] . '+' . $this->_grammar['CFWS'] . '?)';
+    $this->_grammar['word'] = '(?:' . $this->_grammar['atom'] . '|' .
+        $this->_grammar['quoted-string'] . ')';
+    $this->_grammar['phrase'] = '(?:' . $this->_grammar['word'] . '+?)';
+    $this->_grammar['no-fold-quote'] = '(?:"(?:' . $this->_grammar['qtext'] .
+        '|' . $this->_grammar['quoted-pair'] . ')*")';
+    $this->_grammar['dtext'] = '(?:' . $this->_grammar['NO-WS-CTL'] .
+        '|[\x21-\x5A\x5E-\x7E])';
+    $this->_grammar['no-fold-literal'] = '(?:\[(?:' . $this->_grammar['dtext'] .
+        '|' . $this->_grammar['quoted-pair'] . ')*\])';
+    
+    //Message IDs
+    $this->_grammar['id-left'] = '(?:' . $this->_grammar['dot-atom-text'] . '|' .
+        $this->_grammar['no-fold-quote'] . ')';
+    $this->_grammar['id-right'] = '(?:' . $this->_grammar['dot-atom-text'] . '|' .
+        $this->_grammar['no-fold-literal'] . ')';
+    
+    //Addresses, mailboxes and paths
+    $this->_grammar['local-part'] = '(?:' . $this->_grammar['dot-atom'] . '|' .
+        $this->_grammar['quoted-string'] . ')';
+    $this->_grammar['dcontent'] = '(?:' . $this->_grammar['dtext'] . '|' .
+        $this->_grammar['quoted-pair'] . ')';
+    $this->_grammar['domain-literal'] = '(?:' . $this->_grammar['CFWS'] . '?\[(' .
+        $this->_grammar['FWS'] . '?' . $this->_grammar['dcontent'] . ')*?' .
+        $this->_grammar['FWS'] . '?\]' . $this->_grammar['CFWS'] . '?)';
+    $this->_grammar['domain'] = '(?:' . $this->_grammar['dot-atom'] . '|' .
+        $this->_grammar['domain-literal'] . ')';
+    $this->_grammar['addr-spec'] = '(?:' . $this->_grammar['local-part'] . '@' .
+        $this->_grammar['domain'] . ')';
+  }
+  
+  /**
+   * Get the grammar defined for $name token.
+   * @param string $name execatly as written in the RFC
+   * @return string
+   */
+  protected function getGrammar($name)
+  {
+    if (array_key_exists($name, $this->_grammar))
+    {
+      return $this->_grammar[$name];
+    }
+    else
+    {
+      throw new Swift_RfcComplianceException(
+        "No such grammar '" . $name . "' defined."
+        );
+    }
+  }
+  
+  /**
+   * Escape special characters in a string (convert to quoted-pairs).
+   * @param string $token
+   * @param string[] $include additonal chars to escape
+   * @param string[] $exclude chars from escaping
+   * @return string
+   */
+  protected function escapeSpecials($token, $include = array(),
+    $exclude = array())
+  {
+    foreach (
+      array_merge(array('\\'), array_diff($this->_specials, $exclude), $include) as $char)
+    {
+      $token = str_replace($char, '\\' . $char, $token);
+    }
+    return $token;
+  }
+  
+  /**
+   * Produces a compliant, formatted RFC 2822 'phrase' based on the string given.
+   * @param Swift_Mime_Header $header
+   * @param string $string as displayed
+   * @param string $charset of the text
+   * @param Swift_Mime_HeaderEncoder $encoder
+   * @param boolean $shorten the first line to make remove for header name
+   * @return string
+   */
+  protected function createPhrase(Swift_Mime_Header $header, $string, $charset,
+    Swift_Mime_HeaderEncoder $encoder = null, $shorten = false)
+  {
+    //Treat token as exactly what was given
+    $phraseStr = $string;
+    //If it's not valid
+    if (!preg_match('/^' . $this->_grammar['phrase'] . '$/D', $phraseStr))
+    {
+      // .. but it is just ascii text, try escaping some characters
+      // and make it a quoted-string
+      if (preg_match('/^' . $this->_grammar['text'] . '*$/D', $phraseStr))
+      {
+        $phraseStr = $this->escapeSpecials(
+          $phraseStr, array('"'), $this->_specials
+          );
+        $phraseStr = '"' . $phraseStr . '"';
+      }
+      else // ... otherwise it needs encoding
+      {
+        //Determine space remaining on line if first line
+        if ($shorten)
+        {
+          $usedLength = strlen($header->getFieldName() . ': ');
+        }
+        else
+        {
+          $usedLength = 0;
+        }
+        $phraseStr = $this->encodeWords($header, $string, $usedLength);
+      }
+    }
+    
+    return $phraseStr;
+  }
+  
+  /**
+   * Encode needed word tokens within a string of input.
+   * @param string $input
+   * @param string $usedLength, optional
+   * @return string
+   */
+  protected function encodeWords(Swift_Mime_Header $header, $input,
+    $usedLength = -1)
+  {
+    $value = '';
+    
+    $tokens = $this->getEncodableWordTokens($input);
+    
+    foreach ($tokens as $token)
+    {
+      //See RFC 2822, Sect 2.2 (really 2.2 ??)
+      if ($this->tokenNeedsEncoding($token))
+      {
+        //Don't encode starting WSP
+        $firstChar = substr($token, 0, 1);
+        switch($firstChar)
+        {
+          case ' ':
+          case "\t":
+            $value .= $firstChar;
+            $token = substr($token, 1);
+        }
+        
+        if (-1 == $usedLength)
+        {
+          $usedLength = strlen($header->getFieldName() . ': ') + strlen($value);
+        }
+        $value .= $this->getTokenAsEncodedWord($token, $usedLength);
+        
+        $header->setMaxLineLength(76); //Forefully override
+      }
+      else
+      {
+        $value .= $token;
+      }
+    }
+    
+    return $value;
+  }
+  
+  /**
+   * Test if a token needs to be encoded or not.
+   * @param string $token
+   * @return boolean
+   */
+  protected function tokenNeedsEncoding($token)
+  {
+    return preg_match('~[\x00-\x08\x10-\x19\x7F-\xFF\r\n]~', $token);
+  }
+  
+  /**
+   * Splits a string into tokens in blocks of words which can be encoded quickly.
+   * @param string $string
+   * @return string[]
+   */
+  protected function getEncodableWordTokens($string)
+  {
+    $tokens = array();
+    
+    $encodedToken = '';
+    //Split at all whitespace boundaries
+    foreach (preg_split('~(?=[\t ])~', $string) as $token)
+    {
+      if ($this->tokenNeedsEncoding($token))
+      {
+        $encodedToken .= $token;
+      }
+      else
+      {
+        if (strlen($encodedToken) > 0)
+        {
+          $tokens[] = $encodedToken;
+          $encodedToken = '';
+        }
+        $tokens[] = $token;
+      }
+    }
+    if (strlen($encodedToken))
+    {
+      $tokens[] = $encodedToken;
+    }
+    
+    return $tokens;
+  }
+  
+  /**
+   * Get a token as an encoded word for safe insertion into headers.
+   * @param string $token to encode
+   * @param int $firstLineOffset, optional
+   * @return string
+   */
+  protected function getTokenAsEncodedWord($token, $firstLineOffset = 0)
+  {
+    //Adjust $firstLineOffset to account for space needed for syntax
+    $charsetDecl = $this->_charset;
+    if (isset($this->_lang))
+    {
+      $charsetDecl .= '*' . $this->_lang;
+    }
+    $encodingWrapperLength = strlen(
+      '=?' . $charsetDecl . '?' . $this->_encoder->getName() . '??='
+      );
+    
+    if ($firstLineOffset >= 75) //Does this logic need to be here?
+    {
+      $firstLineOffset = 0;
+    }
+    
+    $encodedTextLines = explode("\r\n",
+      $this->_encoder->encodeString(
+        $token, $firstLineOffset, 75 - $encodingWrapperLength
+        )
+      );
+    
+    foreach ($encodedTextLines as $lineNum => $line)
+    {
+      $encodedTextLines[$lineNum] = '=?' . $charsetDecl .
+        '?' . $this->_encoder->getName() .
+        '?' . $line . '?=';
+    }
+    
+    return implode("\r\n ", $encodedTextLines);
+  }
+  
+  /**
+   * Generates tokens from the given string which include CRLF as individual tokens.
+   * @param string $token
+   * @return string[]
+   * @access protected
+   */
+  protected function generateTokenLines($token)
+  {
+    return preg_split('~(\r\n)~', $token, -1, PREG_SPLIT_DELIM_CAPTURE);
+  }
+  
+  /**
+   * Set a value into the cache.
+   * @param string $value
+   * @access protected
+   */
+  protected function setCachedValue($value)
+  {
+    $this->_cachedValue = $value;
+  }
+  
+  /**
+   * Get the value in the cache.
+   * @return string
+   * @access protected
+   */
+  protected function getCachedValue()
+  {
+    return $this->_cachedValue;
+  }
+  
+  /**
+   * Clear the cached value if $condition is met.
+   * @param boolean $condition
+   * @access protected
+   */
+  protected function clearCachedValueIf($condition)
+  {
+    if ($condition)
+    {
+      $this->setCachedValue(null);
+    }
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Generate a list of all tokens in the final header.
+   * @param string $string input, optional
+   * @return string[]
+   * @access private
+   */
+  protected function toTokens($string = null)
+  {
+    if (is_null($string))
+    {
+      $string = $this->getFieldBody();
+    }
+    
+    $tokens = array();
+    
+    //Generate atoms; split at all invisible boundaries followed by WSP
+    foreach (preg_split('~(?=[ \t])~', $string) as $token)
+    {
+      $tokens = array_merge($tokens, $this->generateTokenLines($token));
+    }
+    
+    return $tokens;
+  }
+  
+  /**
+   * Takes an array of tokens which appear in the header and turns them into
+   * an RFC 2822 compliant string, adding FWSP where needed.
+   * @param string[] $tokens
+   * @return string
+   * @access private
+   */
+  private function _tokensToString(array $tokens)
+  {
+    $lineCount = 0;
+    $headerLines = array();
+    $headerLines[] = $this->_name . ': ';
+    $currentLine =& $headerLines[$lineCount++];
+    
+    //Build all tokens back into compliant header
+    foreach ($tokens as $i => $token)
+    {
+      //Line longer than specified maximum or token was just a new line
+      if (("\r\n" == $token) ||
+        ($i > 0 && strlen($currentLine . $token) > $this->_lineLength)
+        && 0 < strlen($currentLine))
+      {
+        $headerLines[] = '';
+        $currentLine =& $headerLines[$lineCount++];
+      }
+      
+      //Append token to the line
+      if ("\r\n" != $token)
+      {
+        $currentLine .= $token;
+      }
+    }
+    
+    //Implode with FWS (RFC 2822, 2.2.3)
+    return implode("\r\n", $headerLines) . "\r\n";
+  }
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/DateHeader.php b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/DateHeader.php
new file mode 100644
index 0000000..598c0c5
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/DateHeader.php
@@ -0,0 +1,118 @@
+<?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/Mime/Headers/AbstractHeader.php';
+
+
+/**
+ * A Date MIME Header for Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_DateHeader extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The UNIX timestamp value of this Header.
+   * @var int
+   * @access private
+   */
+  private $_timestamp;
+  
+  /**
+   * Creates a new DateHeader with $name and $timestamp.
+   * Example:
+   * <code>
+   * <?php
+   * $header = new Swift_Mime_Headers_DateHeader('Date', time());
+   * ?>
+   * </code>
+   * @param string $name of Header
+   */
+  public function __construct($name)
+  {
+    $this->setFieldName($name);
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_DATE;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a UNIX timestamp.
+   * @param int $model
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setTimestamp($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns a UNIX timestamp.
+   * @return mixed
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getTimestamp();
+  }
+  
+  /**
+   * Get the UNIX timestamp of the Date in this Header.
+   * @return int
+   */
+  public function getTimestamp()
+  {
+    return $this->_timestamp;
+  }
+  
+  /**
+   * Set the UNIX timestamp of the Date in this Header.
+   * @param int $timestamp
+   */
+  public function setTimestamp($timestamp)
+  {
+    if (!is_null($timestamp))
+    {
+      $timestamp = (int) $timestamp;
+    }
+    $this->clearCachedValueIf($this->_timestamp != $timestamp);
+    $this->_timestamp = $timestamp;
+  }
+  
+  /**
+   * Get the string value of the body in this Header.
+   * This is not necessarily RFC 2822 compliant since folding white space will
+   * not be added at this stage (see {@link toString()} for that).
+   * @return string
+   * @see toString()
+   */
+  public function getFieldBody()
+  {
+    if (!$this->getCachedValue())
+    {
+      if (isset($this->_timestamp))
+      {
+        $this->setCachedValue(date('r', $this->_timestamp));
+      }
+    }
+    return $this->getCachedValue();
+  }
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/IdentificationHeader.php b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/IdentificationHeader.php
new file mode 100644
index 0000000..55ff737
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/IdentificationHeader.php
@@ -0,0 +1,161 @@
+<?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/Mime/Headers/AbstractHeader.php';
+//@require 'Swift/RfcComplianceException.php';
+
+/**
+ * An ID MIME Header for something like Message-ID or Content-ID.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_IdentificationHeader
+  extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The IDs used in the value of this Header.
+   * This may hold multiple IDs or just a single ID.
+   * @var string[]
+   * @access private
+   */
+  private $_ids = array();
+  
+  /**
+   * Creates a new IdentificationHeader with the given $name and $id.
+   * @param string $name
+   */
+  public function __construct($name)
+  {
+    $this->setFieldName($name);
+    $this->initializeGrammar();
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_ID;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a string ID, or an array of IDs
+   * @param mixed $model
+   * @throws Swift_RfcComplianceException
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setId($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns an array of IDs
+   * @return array
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getIds();
+  }
+  
+  /**
+   * Set the ID used in the value of this header.
+   * @param string $id
+   * @throws Swift_RfcComplianceException
+   */
+  public function setId($id)
+  {
+    return $this->setIds(array($id));
+  }
+  
+  /**
+   * Get the ID used in the value of this Header.
+   * If multiple IDs are set only the first is returned.
+   * @return string
+   */
+  public function getId()
+  {
+    if (count($this->_ids) > 0)
+    {
+      return $this->_ids[0];
+    }
+  }
+  
+  /**
+   * Set a collection of IDs to use in the value of this Header.
+   * @param string[] $ids
+   * @throws Swift_RfcComplianceException
+   */
+  public function setIds(array $ids)
+  {
+    $actualIds = array();
+    
+    foreach ($ids as $k => $id)
+    {
+      if (preg_match(
+        '/^' . $this->getGrammar('id-left') . '@' .
+        $this->getGrammar('id-right') . '$/D',
+        $id
+        ))
+      {
+        $actualIds[] = $id;
+      }
+      else
+      {
+        throw new Swift_RfcComplianceException(
+          'Invalid ID given <' . $id . '>'
+          );
+      }
+    }
+    
+    $this->clearCachedValueIf($this->_ids != $actualIds);
+    $this->_ids = $actualIds;
+  }
+  
+  /**
+   * Get the list of IDs used in this Header.
+   * @return string[]
+   */
+  public function getIds()
+  {
+    return $this->_ids;
+  }
+  
+  /**
+   * Get the string value of the body in this Header.
+   * This is not necessarily RFC 2822 compliant since folding white space will
+   * not be added at this stage (see {@link toString()} for that).
+   * @return string
+   * @see toString()
+   * @throws Swift_RfcComplianceException
+   */
+  public function getFieldBody()
+  {
+    if (!$this->getCachedValue())
+    {
+      $angleAddrs = array();
+    
+      foreach ($this->_ids as $id)
+      {
+        $angleAddrs[] = '<' . $id . '>';
+      }
+    
+      $this->setCachedValue(implode(' ', $angleAddrs));
+    }
+    return $this->getCachedValue();
+  }
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/MailboxHeader.php b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/MailboxHeader.php
new file mode 100644
index 0000000..77d3bba
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/MailboxHeader.php
@@ -0,0 +1,316 @@
+<?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/Mime/Headers/AbstractHeader.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+
+/**
+ * A Mailbox Address MIME Header for something like From or Sender.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_MailboxHeader extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The mailboxes used in this Header.
+   * @var string[]
+   * @access private
+   */
+  private $_mailboxes = array();
+  
+  /**
+   * Creates a new MailboxHeader with $name.
+   * @param string $name of Header
+   * @param Swift_Mime_HeaderEncoder $encoder
+   */
+  public function __construct($name, Swift_Mime_HeaderEncoder $encoder)
+  {
+    $this->setFieldName($name);
+    $this->setEncoder($encoder);
+    $this->initializeGrammar();
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_MAILBOX;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a string, or an array of addresses.
+   * @param mixed $model
+   * @throws Swift_RfcComplianceException
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setNameAddresses($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns an associative array like {@link getNameAddresses()}
+   * @return array
+   * @throws Swift_RfcComplianceException
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getNameAddresses();
+  }
+  
+  /**
+   * Set a list of mailboxes to be shown in this Header.
+   * The mailboxes can be a simple array of addresses, or an array of
+   * key=>value pairs where (email => personalName).
+   * Example:
+   * <code>
+   * <?php
+   * //Sets two mailboxes in the Header, one with a personal name
+   * $header->setNameAddresses(array(
+   *  'chris@swiftmailer.org' => 'Chris Corbyn',
+   *  'mark@swiftmailer.org' //No associated personal name
+   *  ));
+   * ?>
+   * </code>
+   * @param string|string[] $mailboxes
+   * @throws Swift_RfcComplianceException
+   * @see __construct()
+   * @see setAddresses()
+   * @see setValue()
+   */
+  public function setNameAddresses($mailboxes)
+  {
+    $this->_mailboxes = $this->normalizeMailboxes((array) $mailboxes);
+    $this->setCachedValue(null); //Clear any cached value
+  }
+  
+  /**
+   * Get the full mailbox list of this Header as an array of valid RFC 2822 strings.
+   * Example:
+   * <code>
+   * <?php
+   * $header = new Swift_Mime_Headers_MailboxHeader('From',
+   *  array('chris@swiftmailer.org' => 'Chris Corbyn',
+   *  'mark@swiftmailer.org' => 'Mark Corbyn')
+   *  );
+   * print_r($header->getNameAddressStrings());
+   * // array (
+   * // 0 => Chris Corbyn <chris@swiftmailer.org>,
+   * // 1 => Mark Corbyn <mark@swiftmailer.org>
+   * // )
+   * ?>
+   * </code>
+   * @return string[]
+   * @throws Swift_RfcComplianceException
+   * @see getNameAddresses()
+   * @see toString()
+   */
+  public function getNameAddressStrings()
+  {
+    return $this->_createNameAddressStrings($this->getNameAddresses());
+  }
+  
+  /**
+   * Get all mailboxes in this Header as key=>value pairs.
+   * The key is the address and the value is the name (or null if none set).
+   * Example:
+   * <code>
+   * <?php
+   * $header = new Swift_Mime_Headers_MailboxHeader('From',
+   *  array('chris@swiftmailer.org' => 'Chris Corbyn',
+   *  'mark@swiftmailer.org' => 'Mark Corbyn')
+   *  );
+   * print_r($header->getNameAddresses());
+   * // array (
+   * // chris@swiftmailer.org => Chris Corbyn,
+   * // mark@swiftmailer.org => Mark Corbyn
+   * // )
+   * ?>
+   * </code>
+   * @return string[]
+   * @see getAddresses()
+   * @see getNameAddressStrings()
+   */
+  public function getNameAddresses()
+  {
+    return $this->_mailboxes;
+  }
+  
+  /**
+   * Makes this Header represent a list of plain email addresses with no names.
+   * Example:
+   * <code>
+   * <?php
+   * //Sets three email addresses as the Header data
+   * $header->setAddresses(
+   *  array('one@domain.tld', 'two@domain.tld', 'three@domain.tld')
+   *  );
+   * ?>
+   * </code>
+   * @param string[] $addresses
+   * @throws Swift_RfcComplianceException
+   * @see setNameAddresses()
+   * @see setValue()
+   */
+  public function setAddresses($addresses)
+  {
+    return $this->setNameAddresses(array_values((array) $addresses));
+  }
+  
+  /**
+   * Get all email addresses in this Header.
+   * @return string[]
+   * @see getNameAddresses()
+   */
+  public function getAddresses()
+  {
+    return array_keys($this->_mailboxes);
+  }
+  
+  /**
+   * Remove one or more addresses from this Header.
+   * @param string|string[] $addresses
+   */
+  public function removeAddresses($addresses)
+  {
+    $this->setCachedValue(null);
+    foreach ((array) $addresses as $address)
+    {
+      unset($this->_mailboxes[$address]);
+    }
+  }
+  
+  /**
+   * Get the string value of the body in this Header.
+   * This is not necessarily RFC 2822 compliant since folding white space will
+   * not be added at this stage (see {@link toString()} for that).
+   * @return string
+   * @throws Swift_RfcComplianceException
+   * @see toString()
+   */
+  public function getFieldBody()
+  {
+    //Compute the string value of the header only if needed
+    if (is_null($this->getCachedValue()))
+    {
+      $this->setCachedValue($this->createMailboxListString($this->_mailboxes));
+    }
+    return $this->getCachedValue();
+  }
+  
+  // -- Points of extension
+  
+  /**
+   * Normalizes a user-input list of mailboxes into consistent key=>value pairs.
+   * @param string[] $mailboxes
+   * @return string[]
+   * @access protected
+   */
+  protected function normalizeMailboxes(array $mailboxes)
+  {
+    $actualMailboxes = array();
+    
+    foreach ($mailboxes as $key => $value)
+    {
+      if (is_string($key)) //key is email addr
+      {
+        $address = $key;
+        $name = $value;
+      }
+      else
+      {
+        $address = $value;
+        $name = null;
+      }
+      $this->_assertValidAddress($address);
+      $actualMailboxes[$address] = $name;
+    }
+    
+    return $actualMailboxes;
+  }
+  
+  /**
+   * Produces a compliant, formatted display-name based on the string given.
+   * @param string $displayName as displayed
+   * @param boolean $shorten the first line to make remove for header name
+   * @return string
+   * @access protected
+   */
+  protected function createDisplayNameString($displayName, $shorten = false)
+  {
+    return $this->createPhrase($this, $displayName,
+      $this->getCharset(), $this->getEncoder(), $shorten
+      );
+  }
+  
+  /**
+   * Creates a string form of all the mailboxes in the passed array.
+   * @param string[] $mailboxes
+   * @return string
+   * @throws Swift_RfcComplianceException
+   * @access protected
+   */
+  protected function createMailboxListString(array $mailboxes)
+  {
+    return implode(', ', $this->_createNameAddressStrings($mailboxes));
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Return an array of strings conforming the the name-addr spec of RFC 2822.
+   * @param string[] $mailboxes
+   * @return string[]
+   * @access private
+   */
+  private function _createNameAddressStrings(array $mailboxes)
+  {
+    $strings = array();
+    
+    foreach ($mailboxes as $email => $name)
+    {
+      $mailboxStr = $email;
+      if (!is_null($name))
+      {
+        $nameStr = $this->createDisplayNameString($name, empty($strings));
+        $mailboxStr = $nameStr . ' <' . $mailboxStr . '>';
+      }
+      $strings[] = $mailboxStr;
+    }
+    
+    return $strings;
+  }
+  
+  /**
+   * Throws an Exception if the address passed does not comply with RFC 2822.
+   * @param string $address
+   * @throws Exception If invalid.
+   * @access protected
+   */
+  private function _assertValidAddress($address)
+  {
+    if (!preg_match('/^' . $this->getGrammar('addr-spec') . '$/D',
+      $address))
+    {
+      throw new Swift_RfcComplianceException(
+        'Address in mailbox given [' . $address .
+        '] does not comply with RFC 2822, 3.6.2.'
+        );
+    }
+  }
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php
new file mode 100644
index 0000000..974b44e
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php
@@ -0,0 +1,274 @@
+<?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/Mime/Headers/UnstructuredHeader.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+//@require 'Swift/Mime/ParameterizedHeader.php';
+//@require 'Swift/Encoder.php';
+
+/**
+ * An abstract base MIME Header.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_ParameterizedHeader
+  extends Swift_Mime_Headers_UnstructuredHeader
+  implements Swift_Mime_ParameterizedHeader
+{
+  
+  /**
+   * The Encoder used to encode the parameters.
+   * @var Swift_Encoder
+   * @access private
+   */
+  private $_paramEncoder;
+  
+  /**
+   * The parameters as an associative array.
+   * @var string[]
+   * @access private
+   */
+  private $_params = array();
+  
+  /**
+   * RFC 2231's definition of a token.
+   * @var string
+   * @access private
+   */
+  private $_tokenRe;
+  
+  /**
+   * Creates a new ParameterizedHeader with $name.
+   * @param string $name
+   * @param Swift_Mime_HeaderEncoder $encoder
+   * @param Swift_Encoder $paramEncoder, optional
+   */ 
+  public function __construct($name, Swift_Mime_HeaderEncoder $encoder,
+    Swift_Encoder $paramEncoder = null)
+  {
+    $this->setFieldName($name);
+    $this->setEncoder($encoder);
+    $this->_paramEncoder = $paramEncoder;
+    $this->initializeGrammar();
+    $this->_tokenRe = '(?:[\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7E]+)';
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_PARAMETERIZED;
+  }
+  
+  /**
+   * Set the character set used in this Header.
+   * @param string $charset
+   */
+  public function setCharset($charset)
+  {
+    parent::setCharset($charset);
+    if (isset($this->_paramEncoder))
+    {
+      $this->_paramEncoder->charsetChanged($charset);
+    }
+  }
+  
+  /**
+   * Set the value of $parameter.
+   * @param string $parameter
+   * @param string $value
+   */
+  public function setParameter($parameter, $value)
+  {
+    $this->setParameters(array_merge($this->getParameters(), array($parameter => $value)));
+  }
+  
+  /**
+   * Get the value of $parameter.
+   * @return string
+   */
+  public function getParameter($parameter)
+  {
+    $params = $this->getParameters();
+    return array_key_exists($parameter, $params)
+      ? $params[$parameter]
+      : null;
+  }
+  
+  /**
+   * Set an associative array of parameter names mapped to values.
+   * @param string[]
+   */
+  public function setParameters(array $parameters)
+  {
+    $this->clearCachedValueIf($this->_params != $parameters);
+    $this->_params = $parameters;
+  }
+  
+  /**
+   * Returns an associative array of parameter names mapped to values.
+   * @return string[]
+   */
+  public function getParameters()
+  {
+    return $this->_params;
+  }
+  
+  /**
+   * Get the value of this header prepared for rendering.
+   * @return string
+   */
+  public function getFieldBody() //TODO: Check caching here
+  {
+    $body = parent::getFieldBody();
+    foreach ($this->_params as $name => $value)
+    {
+      if (!is_null($value))
+      {
+        //Add the parameter
+        $body .= '; ' . $this->_createParameter($name, $value);
+      }
+    }
+    return $body;
+  }
+  
+  // -- Protected methods
+  
+  /**
+   * Generate a list of all tokens in the final header.
+   * This doesn't need to be overridden in theory, but it is for implementation
+   * reasons to prevent potential breakage of attributes.
+   * @return string[]
+   * @access protected
+   */
+  protected function toTokens($string = null)
+  {
+    $tokens = parent::toTokens(parent::getFieldBody());
+    
+    //Try creating any parameters
+    foreach ($this->_params as $name => $value)
+    {
+      if (!is_null($value))
+      {
+        //Add the semi-colon separator
+        $tokens[count($tokens)-1] .= ';';
+        $tokens = array_merge($tokens, $this->generateTokenLines(
+          ' ' . $this->_createParameter($name, $value)
+          ));
+      }
+    }
+    
+    return $tokens;
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Render a RFC 2047 compliant header parameter from the $name and $value.
+   * @param string $name
+   * @param string $value
+   * @return string
+   * @access private
+   */
+  private function _createParameter($name, $value)
+  {
+    $origValue = $value;
+    
+    $encoded = false;
+    //Allow room for parameter name, indices, "=" and DQUOTEs
+    $maxValueLength = $this->getMaxLineLength() - strlen($name . '=*N"";') - 1;
+    $firstLineOffset = 0;
+    
+    //If it's not already a valid parameter value...
+    if (!preg_match('/^' . $this->_tokenRe . '$/D', $value))
+    {
+      //TODO: text, or something else??
+      //... and it's not ascii
+      if (!preg_match('/^' . $this->getGrammar('text') . '*$/D', $value))
+      {
+        $encoded = true;
+        //Allow space for the indices, charset and language
+        $maxValueLength = $this->getMaxLineLength() - strlen($name . '*N*="";') - 1;
+        $firstLineOffset = strlen(
+          $this->getCharset() . "'" . $this->getLanguage() . "'"
+          );
+      }
+    }
+    
+    //Encode if we need to
+    if ($encoded || strlen($value) > $maxValueLength)
+    {
+      if (isset($this->_paramEncoder))
+      {
+        $value = $this->_paramEncoder->encodeString(
+          $origValue, $firstLineOffset, $maxValueLength
+          );
+      }
+      else //We have to go against RFC 2183/2231 in some areas for interoperability
+      {
+        $value = $this->getTokenAsEncodedWord($origValue);
+        $encoded = false;
+      }
+    }
+    
+    $valueLines = isset($this->_paramEncoder) ? explode("\r\n", $value) : array($value);
+    
+    //Need to add indices
+    if (count($valueLines) > 1)
+    {
+      $paramLines = array();
+      foreach ($valueLines as $i => $line)
+      {
+        $paramLines[] = $name . '*' . $i .
+          $this->_getEndOfParameterValue($line, $encoded, $i == 0);
+      }
+      return implode(";\r\n ", $paramLines);
+    }
+    else
+    {
+      return $name . $this->_getEndOfParameterValue(
+        $valueLines[0], $encoded, true
+        );
+    }
+  }
+  
+  /**
+   * Returns the parameter value from the "=" and beyond.
+   * @param string $value to append
+   * @param boolean $encoded
+   * @param boolean $firstLine
+   * @return string
+   * @access private
+   */
+  private function _getEndOfParameterValue($value, $encoded = false, $firstLine = false)
+  {
+    if (!preg_match('/^' . $this->_tokenRe . '$/D', $value))
+    {
+      $value = '"' . $value . '"';
+    }
+    $prepend = '=';
+    if ($encoded)
+    {
+      $prepend = '*=';
+      if ($firstLine)
+      {
+        $prepend = '*=' . $this->getCharset() . "'" . $this->getLanguage() .
+          "'";
+      }
+    }
+    return $prepend . $value;
+  }
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php
new file mode 100644
index 0000000..0a8a100
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php
@@ -0,0 +1,126 @@
+<?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/Mime/Headers/AbstractHeader.php';
+//@require 'Swift/RfcComplianceException.php';
+
+/**
+ * A Path Header in Swift Mailer, such a Return-Path.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_PathHeader extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The address in this Header (if specified).
+   * @var string
+   * @access private
+   */
+  private $_address;
+  
+  /**
+   * Creates a new PathHeader with the given $name.
+   * @param string $name
+   */
+  public function __construct($name)
+  {
+    $this->setFieldName($name);
+    $this->initializeGrammar();
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_PATH;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a string for an address.
+   * @param string $model
+   * @throws Swift_RfcComplianceException
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setAddress($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns a string email address.
+   * @return mixed
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getAddress();
+  }
+  
+  /**
+   * Set the Address which should appear in this Header.
+   * @param string $address
+   * @throws Swift_RfcComplianceException
+   */
+  public function setAddress($address)
+  {
+    if (is_null($address))
+    {
+      $this->_address = null;
+    }
+    elseif ('' == $address
+      || preg_match('/^' . $this->getGrammar('addr-spec') . '$/D', $address))
+    {
+      $this->_address = $address;
+    }
+    else
+    {
+      throw new Swift_RfcComplianceException(
+        'Address set in PathHeader does not comply with addr-spec of RFC 2822.'
+        );
+    }
+    $this->setCachedValue(null);
+  }
+  
+  /**
+   * Get the address which is used in this Header (if any).
+   * Null is returned if no address is set.
+   * @return string
+   */
+  public function getAddress()
+  {
+    return $this->_address;
+  }
+  
+  /**
+   * Get the string value of the body in this Header.
+   * This is not necessarily RFC 2822 compliant since folding white space will
+   * not be added at this stage (see {@link toString()} for that).
+   * @return string
+   * @see toString()
+   */
+  public function getFieldBody()
+  {
+    if (!$this->getCachedValue())
+    {
+      if (isset($this->_address))
+      {
+        $this->setCachedValue('<' . $this->_address . '>');
+      }
+    }
+    return $this->getCachedValue();
+  }
+  
+}
diff --git a/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/UnstructuredHeader.php b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/UnstructuredHeader.php
new file mode 100644
index 0000000..fdcc21e
--- /dev/null
+++ b/h-source/External/swiftmailer/lib/classes/Swift/Mime/Headers/UnstructuredHeader.php
@@ -0,0 +1,108 @@
+<?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/Mime/Headers/AbstractHeader.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+
+/**
+ * A Simple MIME Header.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_UnstructuredHeader
+  extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The value of this Header.
+   * @var string
+   * @access private
+   */
+  private $_value;
+  
+  /**
+   * Creates a new SimpleHeader with $name.
+   * @param string $name
+   * @param Swift_Mime_HeaderEncoder $encoder
+   */
+  public function __construct($name, Swift_Mime_HeaderEncoder $encoder)
+  {
+    $this->setFieldName($name);
+    $this->setEncoder($encoder);
+  }
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_TEXT;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a string for the field value.
+   * @param string $model
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setValue($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns a string.
+   * @return string
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getValue();
+  }
+  
+  /**
+   * Get the (unencoded) value of this header.
+   * @return string
+   */
+  public function getValue()
+  {
+    return $this->_value;
+  }
+  
+  /**
+   * Set the (unencoded) value of this header.
+   * @param string $value
+   */
+  public function setValue($value)
+  {
+    $this->clearCachedValueIf($this->_value != $value);
+    $this->_value = $value;
+  }
+  
+  /**
+   * Get the value of this header prepared for rendering.
+   * @return string
+   */
+  public function getFieldBody()
+  {
+    if (!$this->getCachedValue())
+    {
+      $this->setCachedValue(
+        str_replace('\\', '\\\\', $this->encodeWords(
+          $this, $this->_value, -1, $this->getCharset(), $this->getEncoder()
+          ))
+        );
+    }
+    return $this->getCachedValue();
+  }
+  
+}