lib/libUPnP/Neptune/Source/Core/NptBase64.h

   1 /*****************************************************************
   2 |
   3 |   Neptune - Base64
   4 |
   5 | Copyright (c) 2002-2008, Axiomatic Systems, LLC.
   6 | All rights reserved.
   7 |
   8 | Redistribution and use in source and binary forms, with or without
   9 | modification, are permitted provided that the following conditions are met:
  10 |     * Redistributions of source code must retain the above copyright
  11 |       notice, this list of conditions and the following disclaimer.
  12 |     * Redistributions in binary form must reproduce the above copyright
  13 |       notice, this list of conditions and the following disclaimer in the
  14 |       documentation and/or other materials provided with the distribution.
  15 |     * Neither the name of Axiomatic Systems nor the
  16 |       names of its contributors may be used to endorse or promote products
  17 |       derived from this software without specific prior written permission.
  18 |
  19 | THIS SOFTWARE IS PROVIDED BY AXIOMATIC SYSTEMS ''AS IS'' AND ANY
  20 | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22 | DISCLAIMED. IN NO EVENT SHALL AXIOMATIC SYSTEMS BE LIABLE FOR ANY
  23 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  26 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29 |
  30 ****************************************************************/
  31
  32 #ifndef _NPT_BASE64_H_
  33 #define _NPT_BASE64_H_
  34
  35 /*----------------------------------------------------------------------
  36 |   includes
  37 +---------------------------------------------------------------------*/
  38 #include "NptDataBuffer.h"
  39 #include "NptStrings.h"
  40
  41 /*----------------------------------------------------------------------
  42 |   constants
  43 +---------------------------------------------------------------------*/
  44 const NPT_Cardinal NPT_BASE64_MIME_BLOCKS_PER_LINE = 19;
  45 const NPT_Cardinal NPT_BASE64_PEM_BLOCKS_PER_LINE  = 16;
  46
  47 /*----------------------------------------------------------------------
  48 |   NPT_Base64
  49 +---------------------------------------------------------------------*/
  50 class NPT_Base64 {
  51 public:
  52     // class methods
  53     static NPT_Result Decode(const char*     base64,
  54                              NPT_Size        size,
  55                              NPT_DataBuffer& data,
  56                              bool            url_safe = false);
  57     static NPT_Result Encode(const NPT_Byte* data,
  58                              NPT_Size        size,
  59                              NPT_String&     base64,
  60                              NPT_Cardinal    max_blocks_per_line = 0,
  61                              bool            url_safe = false);
  62
  63 private:
  64     // this class is purely static
  65     NPT_Base64();
  66 };
  67
  68 #endif // _NPT_BASE64_H_