/usr/include/cxxtools/base64codec.h is in libcxxtools-dev 2.2.1-2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | /*
* Copyright (C) 2005 by Marc Boris Duerner
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* As a special exception, you may use this file as part of a free
* software library without restriction. Specifically, if other files
* instantiate templates or use macros or inline functions from this
* file, or you compile this file and link it with other files to
* produce an executable, this file does not by itself cause the
* resulting executable to be covered by the GNU General Public
* License. This exception does not however invalidate any other
* reasons why the executable file might be covered by the GNU Library
* General Public License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef cxxtools_Base64Codec_h
#define cxxtools_Base64Codec_h
#include <cxxtools/api.h>
#include <cxxtools/textcodec.h>
#include <cxxtools/string.h>
namespace cxxtools
{
class Base64Codec : public TextCodec<char, char>
{
public:
explicit Base64Codec(size_t ref = 0)
: TextCodec<char, char>(ref)
{}
virtual ~Base64Codec()
{}
protected:
result do_in(MBState& s,
const char* fromBegin,
const char* fromEnd,
const char*& fromNext,
char* toBegin,
char* toEnd,
char*& toNext) const;
result do_out(MBState& s,
const char* fromBegin,
const char* fromEnd,
const char*& fromNext,
char* toBegin,
char* toEnd,
char*& toNext) const;
result do_unshift(MBState& state,
char* toBegin,
char* toEnd,
char*& toNext) const;
bool do_always_noconv() const throw()
{
return false;
}
int do_length(MBState& s, const char* fromBegin,
const char* fromEnd, size_t max) const
{
const int from = (fromEnd - fromBegin) / 4;
const int to = max / 3;
return to > from ? from * 4 : to * 4;
}
int do_encoding() const throw()
{
// stateful encoding
return -1;
}
int do_max_length() const throw()
{
//worst case: XX== -> x
return 4;
}
public:
/** @brief shortcut for converting base64 encoded data to std::string
Example:
@code
std::string data = cxxtools::Base64Codec::decode(base64dataptr, base64datasize);
@endcode
*/
static std::string decode(const char* data, unsigned size)
{ return cxxtools::decode<Base64Codec>(data, size); }
/** @brief shortcut for converting base64 encoded std::string to std::string
*/
static std::string decode(const std::string& data)
{ return cxxtools::decode<Base64Codec>(data); }
/** @brief shortcut for converting data to base64 encoded std::string
*/
static std::string encode(const char* data, unsigned size)
{ return cxxtools::encode<Base64Codec>(data, size); }
/** @brief shortcut for converting std::string to base64 encoded std::string
*/
static std::string encode(const std::string& data)
{ return cxxtools::encode<Base64Codec>(data); }
};
} //namespace cxxtools
#endif
|