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PATH: home / letacommog / letaweb / admin / classes / swiftMailer / lib / classes / Swift / Mime / HeaderEncoder

<?php

/*
 The Quoted Printable header encoder in Swift Mailer.

This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.

require_once dirname(__FILE__).'/../HeaderEncoder.php';
require_once dirname(__FILE__).'/../../Encoder/QpEncoder.php';
require_once dirname(__FILE__).'/../../CharacterStream.php';

/**
 * Handles Quoted Printable (Q) Header Encoding in Swift Mailer.
 *
 * @author Chris Corbyn
 */
class Swift_Mime_HeaderEncoder_QpHeaderEncoder extends Swift_Encoder_QpEncoder
  implements Swift_Mime_HeaderEncoder
{
    private static $_headerSafeMap = array();

/**
   * Creates a new QpHeaderEncoder for the given CharacterStream.
   *
   * @param Swift_CharacterStream $charStream to use for reading characters
   */
  public function __construct(Swift_CharacterStream $charStream)
  {
      parent::__construct($charStream);
      if (empty(self::$_headerSafeMap)) {
          foreach (array_merge(
        range(0x61, 0x7A), range(0x41, 0x5A),
        range(0x30, 0x39), array(0x20, 0x21, 0x2A, 0x2B, 0x2D, 0x2F)
        ) as $byte) {
              self::$_headerSafeMap[$byte] = chr($byte);
          }
      }
  }

/**
   * Get the name of this encoding scheme.
   * Returns the string 'Q'.
   *
   * @return string
   */
  public function getName()
  {
      return 'Q';
  }

/**
   * Takes an unencoded string and produces a Q encoded string from it.
   *
   * @param string $string to encode
   * @param int $firstLineOffset, optional
   * @param int $maxLineLength, optional, 0 indicates the default of 76 chars
   *
   * @return string
   */
  public function encodeString($string, $firstLineOffset = 0,
    $maxLineLength = 0)
  {
      return str_replace(array(' ', '=20', "=\r\n"), array('_', '_', "\r\n"),
      parent::encodeString($string, $firstLineOffset, $maxLineLength)
      );
  }

// -- Overridden points of extension

/**
   * Encode the given byte array into a verbatim QP form.
   *
   * @param int[] $bytes
   *
   * @return string
   */
  protected function _encodeByteSequence(array $bytes, &$size)
  {
      $ret = '';
      $size = 0;
      foreach ($bytes as $b) {
          if (isset(self::$_headerSafeMap[$b])) {
              $ret .= self::$_headerSafeMap[$b];
              ++$size;
          } else {
              $ret .= self::$_qpMap[$b];
              $size += 3;
          }
      }

return $ret;
  }
}

[+] ..
[-] Base64HeaderEncoder.php [edit]
[-] QpHeaderEncoder.php [edit]