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-// -*- C++ -*-
-
-//=============================================================================
-/**
- * @file Codecs.h
- *
- * $Id$
- *
- * @author Krishnakumar B <kitty@cs.wustl.edu>
- *
- * Codecs is a generic wrapper for various encoding and decoding
- * mechanisms. Currently it includes Base64 content transfer-encoding as
- * specified by RFC 2045, Multipurpose Internet Mail Extensions (MIME) Part
- * One: Format of Internet Message Bodies.
- *
- */
-//=============================================================================
-
-#ifndef ACE_CODECS_H
-#define ACE_CODECS_H
-
-#include /**/ "ace/pre.h"
-
-#include "ace/ACE_export.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-#include "ace/Basic_Types.h"
-#include "ace/Global_Macros.h"
-
-
-ACE_BEGIN_VERSIONED_NAMESPACE_DECL
-
-/**
- * @class ACE_Base64
- *
- * @brief Encode/Decode a stream of bytes according to Base64 encoding.
- *
- * This class provides methods to encode or decode a stream of bytes
- * to/from Base64 encoding. It doesn't convert the input stream to a
- * canonical form before encoding.
- *
- */
-class ACE_Export ACE_Base64
-{
-public:
-
- //@{
-
- /**
- * Encodes a stream of bytes to Base64 data
- *
- * @param input Binary data in byte stream.
- * @param input_len Length of the byte stream.
- * @param output_len Length of the encoded Base64 byte stream.
- * @return Encoded Base64 data in byte stream or NULL if input data cannot
- * be encoded.
- */
-
- static ACE_Byte* encode (const ACE_Byte* input,
- const size_t input_len,
- size_t* output_len);
- /**
- * Decodes a stream of Base64 to bytes data
- *
- * @param input Encoded Base64 data in byte stream.
- * @param output_len Length of the binary byte stream.
- * @return Binary data in byte stream or NULL if input data cannot
- * be encoded.
- */
- static ACE_Byte* decode (const ACE_Byte* input,
- size_t* output_len);
-
- /**
- * Return the length of the encoded input data
- *
- * @param input Encoded Base64 data in byte stream.
- * @return Length of the encoded Base64 data.
- *
- */
- static size_t length (const ACE_Byte* input);
-
- //@}
-
-protected:
-
- // Prevent default construction.
- ACE_Base64 (void) {}
-
-private:
-
- // Preventing copying and assignment.
- ACE_Base64 (ACE_Base64 const &);
- ACE_Base64 & operator= (ACE_Base64 const &);
-
- /// Initialize the tables for encoding/decoding.
- static void init (void);
-
-private:
-
- /// Alphabet used for decoding i.e decoder_[alphabet_[i = 0..63]] = i
- static ACE_Byte decoder_[];
-
- /// Alphabet used to check valid range of encoded input i.e
- /// member_[alphabet_[0..63]] = 1
- static ACE_Byte member_[];
-
- /// Boolean to denote whether initialization is complete
- static bool init_;
-
-};
-
-ACE_END_VERSIONED_NAMESPACE_DECL
-
-#include /**/ "ace/post.h"
-
-#endif /* ACE_CODECS_H */