From 95ff8f359cfc2189bd4d7e02e15373027d2bda32 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 29 May 2017 20:05:54 +0300
Subject: Implement openssl process

---
 libbutl/openssl.txx | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 libbutl/openssl.txx

(limited to 'libbutl/openssl.txx')

diff --git a/libbutl/openssl.txx b/libbutl/openssl.txx
new file mode 100644
index 0000000..aaaa239
--- /dev/null
+++ b/libbutl/openssl.txx
@@ -0,0 +1,56 @@
+// file      : libbutl/openssl.txx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <utility> // move(), forward()
+
+namespace butl
+{
+  template <typename I>
+  typename std::enable_if<openssl::is_other<I>::value, I>::type openssl::
+  map_in (I&& in, io_data&)
+  {
+    return std::forward<I> (in);
+  }
+
+  template <typename O>
+  typename std::enable_if<openssl::is_other<O>::value, O>::type openssl::
+  map_out (O&& out, io_data&)
+  {
+    return std::forward<O> (out);
+  }
+
+  template <typename C,
+            typename I,
+            typename O,
+            typename E,
+            typename P,
+            typename... A>
+  openssl::
+  openssl (const C& cmdc,
+           I&& in,
+           O&& out,
+           E&& err,
+           const P& program,
+           const std::string& command,
+           A&&... options)
+  {
+    io_data in_data;
+    io_data out_data;
+
+    process& p (*this);
+    p = process_start (
+      cmdc,
+      map_in  (std::forward<I> (in),  in_data),
+      map_out (std::forward<O> (out), out_data),
+      std::forward<E> (err),
+      dir_path (),
+      program,
+      command,
+      in_data.options,
+      out_data.options,
+      std::forward<A> (options)...);
+
+    // Note: leaving this scope closes any open ends of the pipes in io_data.
+  }
+}
-- 
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