From 7806c39ecc92055cd338749148fda51b2dc01691 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 25 Apr 2016 12:39:27 +0300
Subject: Add base64_encode(), base64_decode()

---
 butl/base64 | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 butl/base64

(limited to 'butl/base64')

diff --git a/butl/base64 b/butl/base64
new file mode 100644
index 0000000..7a0e999
--- /dev/null
+++ b/butl/base64
@@ -0,0 +1,48 @@
+// 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>
+
+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.
+  //
+  void
+  base64_encode (std::ostream&, std::istream&);
+
+  std::string
+  base64_encode (std::istream&);
+
+  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.
+  //
+  void
+  base64_decode (std::ostream&, std::istream&);
+
+  void
+  base64_decode (std::ostream&, const std::string&);
+
+  std::vector<char>
+  base64_decode (const std::string&);
+};
+
+#endif // BUTL_BASE64
-- 
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