Reorganize source files

include/beast/http/empty_body.hpp

@@ -0,0 +1,75 @@
+//
+// Copyright (c) 2013-2016 Vinnie Falco (vinnie dot falco at gmail dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BEAST_HTTP_EMPTY_BODY_HPP
+#define BEAST_HTTP_EMPTY_BODY_HPP
+
+#include <beast/http/error.hpp>
+#include <beast/http/message.hpp>
+#include <beast/streambuf.hpp>
+#include <boost/asio/buffer.hpp>
+#include <memory>
+#include <string>
+
+namespace beast {
+namespace http {
+
+/** An empty content-body.
+*/
+struct empty_body
+{
+    struct value_type
+    {
+    };
+
+    struct reader
+    {
+        template<bool isRequest, class Allocator>
+        explicit
+        reader(message<isRequest, empty_body, Allocator>&)
+        {
+        }
+
+        void
+        write(void const*, std::size_t, error_code&)
+        {
+        }
+    };
+
+    struct writer
+    {
+        template<bool isRequest, class Allocator>
+        explicit
+        writer(message<isRequest, empty_body, Allocator> const& m)
+        {
+        }
+
+        void
+        init(error_code& ec)
+        {
+        }
+
+        std::size_t
+        content_length() const
+        {
+            return 0;
+        }
+
+        template<class Write>
+        boost::tribool
+        operator()(resume_context&&, error_code&, Write&& write)
+        {
+            write(boost::asio::null_buffers{});
+            return true;
+        }
+    };
+};
+
+} // http
+} // beast
+
+#endif