1 files changed, 0 insertions, 211 deletions
diff --git a/butl/base64.cxx b/butl/base64.cxx
deleted file mode 100644
index ee44700..0000000
--- a/butl/base64.cxx
+++ /dev/null
@@ -1,211 +0,0 @@
-// file      : butl/base64.cxx -*- C++ -*-
-// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-#include <butl/base64>
-
-#include <cstddef>   // size_t
-#include <istream>
-#include <ostream>
-#include <iterator>  // {istreambuf, ostreambuf, back_insert}_iterator
-#include <stdexcept> // invalid_argument
-
-using namespace std;
-
-namespace butl
-{
-  static const char codes[] =
-    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-  // base64-encode the data in the iterator range [i, e). Write the encoded
-  // data starting at the iterator position o.
-  //
-  template <typename I, typename O>
-  static void
-  base64_encode (I& i, const I& e, O& o)
-  {
-    const size_t un (65); // Non-existing index of the codes string.
-    for (size_t n (0); i != e; ++n)
-    {
-      if (n && n % 19 == 0)
-        *o++ = '\n'; // Split into lines, like the base64 utility does.
-
-      char c (*i++);
-      size_t i1 ((c >> 2) & 0x3F);
-      size_t i2 ((c << 4) & 0x30);
-
-      size_t i3 (un);
-      if (i != e)
-      {
-        c = *i++;
-        i2 |= (c >> 4) & 0xF;
-        i3 = (c << 2) & 0x3C;
-      }
-
-      size_t i4 (un);
-      if (i != e)
-      {
-        c = *i++;
-        i3 |= (c >> 6) & 0x3;
-        i4 = c & 0x3F;
-      }
-
-      *o++ = codes[i1];
-      *o++ = codes[i2];
-      *o++ = i3 == un ? '=' : codes[i3];
-      *o++ = i4 == un ? '=' : codes[i4];
-    }
-  }
-
-  static char
-  index (char c)
-  {
-    switch (c)
-    {
-    case '/': return 63;
-    case '+': return 62;
-    default:
-      {
-        if (c >= 'A' && c <= 'Z')
-          return c - 'A';
-        else if (c >= 'a' && c <= 'z')
-          return c - 'a' + 26;
-        else if (c >= '0' && c <= '9')
-          return c - '0' + 52;
-        else
-          throw invalid_argument ("invalid input");
-      }
-    }
-  }
-
-  // base64-decode the data in the iterator range [i, e). Write the decoded
-  // data starting at the iterator position o. Throw invalid_argument if the
-  // input data is invalid.
-  //
-  template <typename I, typename O>
-  static void
-  base64_decode (I& i, const I& e, O& o)
-  {
-    auto bad = []() {throw invalid_argument ("invalid input");};
-
-    auto next = [&i, &e, &bad]() -> char
-    {
-      if (i == e)
-        bad ();
-      return *i++;
-    };
-
-    while (i != e)
-    {
-      char c (next ());
-      if (c == '\n') // @@ Should we check for '\r' as well ?
-        continue;
-
-      char i1 = index (c);
-      char i2 = index (next ());
-      *o++ = (i1 << 2) | (i2 >> 4);
-
-      c = next ();
-      if (c == '=')
-      {
-        if (next () != '=' || i != e)
-          bad ();
-      }
-      else
-      {
-        char i3 = index (c);
-        *o++ = (i2 << 4) | (i3 >> 2);
-
-        c = next ();
-        if (c == '=')
-        {
-          if (i != e)
-            bad ();
-        }
-        else
-          *o++ = (i3 << 6) | index (c);
-      }
-    }
-  }
-
-  string
-  base64_encode (istream& is)
-  {
-    if (!is.good ())
-      throw invalid_argument ("bad stream");
-
-    string r;
-    istreambuf_iterator<char> i (is);
-    back_insert_iterator<string> o (r);
-
-    base64_encode (i, istreambuf_iterator<char> (), o);
-    is.setstate (istream::eofbit);
-    return r;
-  }
-
-  void
-  base64_encode (ostream& os, istream& is)
-  {
-    if (!os.good () || !is.good ())
-      throw invalid_argument ("bad stream");
-
-    istreambuf_iterator<char> i (is);
-    ostreambuf_iterator<char> o (os);
-    base64_encode (i, istreambuf_iterator<char> (), o);
-
-    if (o.failed ())
-      os.setstate (istream::badbit);
-
-    is.setstate (istream::eofbit);
-  }
-
-  string
-  base64_encode (const vector<char>& v)
-  {
-    string r;
-    back_insert_iterator<string> o (r);
-    auto i (v.begin ());
-    base64_encode (i, v.end (), o);
-    return r;
-  }
-
-  void
-  base64_decode (ostream& os, istream& is)
-  {
-    if (!os.good () || !is.good ())
-      throw invalid_argument ("bad stream");
-
-    istreambuf_iterator<char> i (is);
-    ostreambuf_iterator<char> o (os);
-    base64_decode (i, istreambuf_iterator<char> (), o);
-
-    if (o.failed ())
-      os.setstate (istream::badbit);
-
-    is.setstate (istream::eofbit);
-  }
-
-  void
-  base64_decode (ostream& os, const string& s)
-  {
-    if (!os.good ())
-      throw invalid_argument ("bad stream");
-
-    ostreambuf_iterator<char> o (os);
-    auto i (s.cbegin ());
-    base64_decode (i, s.cend (), o);
-
-    if (o.failed ())
-      os.setstate (istream::badbit);
-  }
-
-  vector<char>
-  base64_decode (const string& s)
-  {
-    vector<char> r;
-    back_insert_iterator<vector<char>> o (r);
-    auto i (s.cbegin ());
-    base64_decode (i, s.cend (), o);
-    return r;
-  }
-}