--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,269 @@
+<?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.
+ */
+
+
+/**
+ * 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
+   * @param Swift_Mime_Grammar $grammar
+   */ 
+  public function __construct($name, Swift_Mime_HeaderEncoder $encoder,
+    Swift_Encoder $paramEncoder = null, Swift_Mime_Grammar $grammar)
+  {
+    parent::__construct($name, $encoder, $grammar);
+    $this->_paramEncoder = $paramEncoder;
+    $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('/^' . $this->getGrammar()->getDefinition('text') . '*$/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;
+  }
+  
+}