Added thirdparty: boost library

thirdparty/include/boost/beast/http/impl/basic_parser.hpp

@@ -0,0 +1,88 @@
+//
+// Copyright (c) 2016-2019 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)
+//
+// Official repository: https://github.com/boostorg/beast
+//
+
+#ifndef BOOST_BEAST_HTTP_IMPL_BASIC_PARSER_HPP
+#define BOOST_BEAST_HTTP_IMPL_BASIC_PARSER_HPP
+
+#include <boost/beast/core/buffer_traits.hpp>
+#include <boost/asio/buffer.hpp>
+#include <boost/make_unique.hpp>
+
+namespace boost {
+namespace beast {
+namespace http {
+
+template<bool isRequest>
+template<class ConstBufferSequence>
+std::size_t
+basic_parser<isRequest>::
+put(ConstBufferSequence const& buffers,
+    error_code& ec)
+{
+    static_assert(net::is_const_buffer_sequence<
+        ConstBufferSequence>::value,
+            "ConstBufferSequence type requirements not met");
+    auto const p = net::buffer_sequence_begin(buffers);
+    auto const last = net::buffer_sequence_end(buffers);
+    if(p == last)
+    {
+        ec = {};
+        return 0;
+    }
+    if(std::next(p) == last)
+    {
+        // single buffer
+        return put(net::const_buffer(*p), ec);
+    }
+    auto const size = buffer_bytes(buffers);
+    if(size <= max_stack_buffer)
+        return put_from_stack(size, buffers, ec);
+    if(size > buf_len_)
+    {
+        // reallocate
+        buf_ = boost::make_unique_noinit<char[]>(size);
+        buf_len_ = size;
+    }
+    // flatten
+    net::buffer_copy(net::buffer(
+        buf_.get(), size), buffers);
+    return put(net::const_buffer{
+        buf_.get(), size}, ec);
+}
+
+template<bool isRequest>
+boost::optional<std::uint64_t>
+basic_parser<isRequest>::
+content_length_unchecked() const
+{
+    if(f_ & flagContentLength)
+        return len0_;
+    return boost::none;
+}
+
+template<bool isRequest>
+template<class ConstBufferSequence>
+std::size_t
+basic_parser<isRequest>::
+put_from_stack(std::size_t size,
+    ConstBufferSequence const& buffers,
+        error_code& ec)
+{
+    char buf[max_stack_buffer];
+    net::buffer_copy(net::mutable_buffer(
+        buf, sizeof(buf)), buffers);
+    return put(net::const_buffer{
+        buf, size}, ec);
+}
+
+} // http
+} // beast
+} // boost
+
+#endif