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

<?php

/*
 The Base 64 transfer 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 'Swift/Mime/ContentEncoder.php';
//@require 'Swift/Encoder/Base64Encoder.php';
//@require 'Swift/InputByteStream.php';
//@require 'Swift/OutputByteStream.php';

/**
 * Handles Base 64 Transfer Encoding in Swift Mailer.
 *
 * @author Chris Corbyn
 */
class Swift_Mime_ContentEncoder_Base64ContentEncoder
  extends Swift_Encoder_Base64Encoder
  implements Swift_Mime_ContentEncoder
{
    /**
   * Encode stream $in to stream $out.
   *
   * @param Swift_OutputByteStream $in
   * @param Swift_InputByteStream $out
   * @param int $firstLineOffset
   * @param int $maxLineLength, optional, 0 indicates the default of 76 bytes
   */
  public function encodeByteStream(
    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
    $maxLineLength = 0)
  {
      if (0 >= $maxLineLength || 76 < $maxLineLength) {
          $maxLineLength = 76;
      }

$remainder = 0;

while (false !== $bytes = $os->read(8190)) {
          $encoded = base64_encode($bytes);
          $encodedTransformed = '';
          $thisMaxLineLength = $maxLineLength - $remainder - $firstLineOffset;

while ($thisMaxLineLength < strlen($encoded)) {
              $encodedTransformed .= substr($encoded, 0, $thisMaxLineLength)."\r\n";
              $firstLineOffset = 0;
              $encoded = substr($encoded, $thisMaxLineLength);
              $thisMaxLineLength = $maxLineLength;
              $remainder = 0;
          }

if (0 < $remainingLength = strlen($encoded)) {
              $remainder += $remainingLength;
              $encodedTransformed .= $encoded;
              $encoded = null;
          }

$is->write($encodedTransformed);
      }
  }

/**
   * Get the name of this encoding scheme.
   * Returns the string 'base64'.
   *
   * @return string
   */
  public function getName()
  {
      return 'base64';
  }
}

[+] ..
[-] PlainContentEncoder.php [edit]
[-] Base64ContentEncoder.php [edit]
[-] QpContentEncoder.php [edit]