/usr/include/ace/Codecs.h is in libace-dev 6.0.3+dfsg-0.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | // -*- C++ -*-
//=============================================================================
/**
* @file Codecs.h
*
* $Id: Codecs.h 80826 2008-03-04 14:51:23Z wotte $
*
* @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.
* @param is_chunked If true, terminate 72 character blocks with newline
* @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,
bool is_chunked = true);
/**
* 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 */
|