From c09cd7512491cee1e82c1ad8128ce9fd4bc3f79b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 22 Sep 2017 23:32:28 +0200
Subject: Initial modularization with both Clang and VC hacks

Note: gave up on VC about half way though.
---
 libbutl/sendmail.mxx | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 libbutl/sendmail.mxx

(limited to 'libbutl/sendmail.mxx')

diff --git a/libbutl/sendmail.mxx b/libbutl/sendmail.mxx
new file mode 100644
index 0000000..778ff05
--- /dev/null
+++ b/libbutl/sendmail.mxx
@@ -0,0 +1,138 @@
+// file      : libbutl/sendmail.mxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef __cpp_modules
+#pragma once
+#endif
+
+// C includes.
+
+#ifndef __cpp_lib_modules
+#include <string>
+
+#include <cstddef> // size_t
+#include <utility> // move(), forward()
+#endif
+
+// Other includes.
+
+#ifdef __cpp_modules
+export module butl.sendmail;
+#ifdef __cpp_lib_modules
+import std.core;
+#endif
+import butl.process;
+import butl.fdstream;
+import butl.small_vector;
+#else
+#include <libbutl/process.mxx>
+#include <libbutl/fdstream.mxx>
+#include <libbutl/small-vector.mxx>
+#endif
+
+#include <libbutl/export.hxx>
+
+LIBBUTL_MODEXPORT namespace butl
+{
+  // Send email using the sendmail(1) program.
+  //
+  // Write the body of the email to out. Note that you must explicitly close
+  // it before calling wait(). Throw process_error and io_error (both derive
+  // from system_error) in case of errors.
+  //
+  // Typical usage:
+  //
+  // try
+  // {
+  //   sendmail sm (2,                    // Diagnostics to stderr.
+  //                "",                   // Default From: address.
+  //                "Test subject",
+  //                {"test@example.com"});
+  //
+  //   sm.out << "Test body" << endl;
+  //
+  //   sm.out.close ();
+  //
+  //   if (!sm.wait ())
+  //     ... // sendmail returned non-zero status.
+  // }
+  // catch (const std::system_error& e)
+  // {
+  //   cerr << "sendmail error: " << e << endl;
+  // }
+  //
+  class LIBBUTL_SYMEXPORT sendmail: public process
+  {
+  public:
+    ofdstream out;
+
+    // Notes:
+    //
+    // - If from is empty then the process user's address is used.
+    //
+    // - The to/cc/bcc addressed should already be quoted if required.
+    //
+    using recipients_type = small_vector<std::string, 1>;
+
+    template <typename E>
+    sendmail (E&& err,
+              const std::string& from,
+              const std::string& subject,
+              const recipients_type& to);
+
+    template <typename E>
+    sendmail (E&& err,
+              const std::string& from,
+              const std::string& subject,
+              const recipients_type& to,
+              const recipients_type& cc);
+
+    template <typename E, typename... O>
+    sendmail (E&& err,
+              const std::string& from,
+              const std::string& subject,
+              const recipients_type& to,
+              const recipients_type& cc,
+              const recipients_type& bcc,
+              O&&... options);
+
+    // Version with the command line callback (see process_run_callback() for
+    // details).
+    //
+    template <typename C, typename E>
+    sendmail (const C&,
+              E&& err,
+              const std::string& from,
+              const std::string& subject,
+              const recipients_type& to);
+
+    template <typename C, typename E>
+    sendmail (const C&,
+              E&& err,
+              const std::string& from,
+              const std::string& subject,
+              const recipients_type& to,
+              const recipients_type& cc);
+
+    template <typename C, typename E, typename... O>
+    sendmail (const C&,
+              E&& err,
+              const std::string& from,
+              const std::string& subject,
+              const recipients_type& to,
+              const recipients_type& cc,
+              const recipients_type& bcc,
+              O&&... options);
+
+  private:
+    void
+    headers (const std::string& from,
+             const std::string& subj,
+             const recipients_type& to,
+             const recipients_type& cc,
+             const recipients_type& bcc);
+  };
+}
+
+#include <libbutl/sendmail.ixx>
-- 
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