/usr/include/boost/beast/http
Edit: /usr/include/boost/beast/http/string_body.hpp (4618B)
//
// 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_STRING_BODY_HPP
#define BOOST_BEAST_HTTP_STRING_BODY_HPP
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
namespace boost {
namespace beast {
namespace http {
/** A Body using `std::basic_string`
This body uses `std::basic_string` as a memory-based container
for holding message payloads. Messages using this body type
may be serialized and parsed.
*/
template<
class CharT,
class Traits = std::char_traits,
class Allocator = std::allocator>
struct basic_string_body
{
private:
static_assert(
std::is_integral::value &&
sizeof(CharT) == 1,
"CharT requirements not met");
public:
/** The type of container used for the body
This determines the type of @ref message::body
when this body type is used with a message container.
*/
using value_type =
std::basic_string;
/** Returns the payload size of the body
When this body is used with @ref message::prepare_payload,
the Content-Length will be set to the payload size, and
any chunked Transfer-Encoding will be removed.
*/
static
std::uint64_t
size(value_type const& body)
{
return body.size();
}
/** The algorithm for parsing the body
Meets the requirements of BodyReader.
*/
#if BOOST_BEAST_DOXYGEN
using reader = __implementation_defined__;
#else
class reader
{
value_type& body_;
public:
template
explicit
reader(header&, value_type& b)
: body_(b)
{
}
void
init(boost::optional<
std::uint64_t> const& length, error_code& ec)
{
if(length)
{
if(*length > body_.max_size())
{
ec = error::buffer_overflow;
return;
}
body_.reserve(beast::detail::clamp(*length));
}
ec = {};
}
template
std::size_t
put(ConstBufferSequence const& buffers,
error_code& ec)
{
auto const extra = buffer_bytes(buffers);
auto const size = body_.size();
if (extra > body_.max_size() - size)
{
ec = error::buffer_overflow;
return 0;
}
body_.resize(size + extra);
ec = {};
CharT* dest = &body_[size];
for(auto b : beast::buffers_range_ref(buffers))
{
Traits::copy(dest, static_cast<
CharT const*>(b.data()), b.size());
dest += b.size();
}
return extra;
}
void
finish(error_code& ec)
{
ec = {};
}
};
#endif
/** The algorithm for serializing the body
Meets the requirements of BodyWriter.
*/
#if BOOST_BEAST_DOXYGEN
using writer = __implementation_defined__;
#else
class writer
{
value_type const& body_;
public:
using const_buffers_type =
net::const_buffer;
template
explicit
writer(header const&, value_type const& b)
: body_(b)
{
}
void
init(error_code& ec)
{
ec = {};
}
boost::optional>
get(error_code& ec)
{
ec = {};
return {{const_buffers_type{
body_.data(), body_.size()}, false}};
}
};
#endif
};
/// A Body using `std::string`
using string_body = basic_string_body;
} // http
} // beast
} // boost
#endif