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// file : butl/base64 -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#ifndef BUTL_BASE64
#define BUTL_BASE64
#include <iosfwd>
#include <string>
#include <vector>
#include <butl/export>
namespace butl
{
// Base64-encode a stream or a buffer. Split the output into 76 char-long
// lines (new line is the 77th). If reading from a stream, check if it has
// badbit, failbit, or eofbit set and throw invalid_argument if that's the
// case. Otherwise, set eofbit on completion. If writing to a stream, check
// if it has badbit, failbit, or eofbit set and throw invalid_argument if
// that's the case. Otherwise set badbit if the write operation fails.
//
LIBBUTL_EXPORT void
base64_encode (std::ostream&, std::istream&);
LIBBUTL_EXPORT std::string
base64_encode (std::istream&);
LIBBUTL_EXPORT std::string
base64_encode (const std::vector<char>&);
// Base64-decode a stream or a string. Throw invalid_argument if the input
// is not a valid base64 representation. If reading from a stream, check if
// it has badbit, failbit, or eofbit set and throw invalid_argument if
// that's the case. Otherwise, set eofbit on completion. If writing to a
// stream, check if it has badbit, failbit, or eofbit set and throw
// invalid_argument if that's the case. Otherwise set badbit if the write
// operation fails.
//
LIBBUTL_EXPORT void
base64_decode (std::ostream&, std::istream&);
LIBBUTL_EXPORT void
base64_decode (std::ostream&, const std::string&);
LIBBUTL_EXPORT std::vector<char>
base64_decode (const std::string&);
};
#endif // BUTL_BASE64
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