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Add headers_parser:

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This allows just the HTTP headers to be parsed, and
the choice of body to be deferred to a subsequent
call to parse.
This commit is contained in:
Vinnie Falco
2016-10-20 17:22:39 -04:00
parent 2f90627dd6
commit d107ba1c1d
10 changed files with 522 additions and 56 deletions
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include/beast/http/impl/basic_parser_v1.ipp
+51
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@@ -50,6 +50,55 @@ basic_parser_v1()
init();
}
template<bool isRequest, class Derived>
template<class OtherDerived>
basic_parser_v1<isRequest, Derived>::
basic_parser_v1(basic_parser_v1<
isRequest, OtherDerived> const& other)
: h_max_(other.h_max_)
, h_left_(other.h_left_)
, b_max_(other.b_max_)
, b_left_(other.b_left_)
, content_length_(other.content_length_)
, cb_(nullptr)
, s_(other.s_)
, flags_(other.flags_)
, fs_(other.fs_)
, pos_(other.pos_)
, http_major_(other.http_major_)
, http_minor_(other.http_minor_)
, status_code_(other.status_code_)
, upgrade_(other.upgrade_)
{
BOOST_ASSERT(! other.cb_);
}
template<bool isRequest, class Derived>
template<class OtherDerived>
auto
basic_parser_v1<isRequest, Derived>::
operator=(basic_parser_v1<
isRequest, OtherDerived> const& other) ->
basic_parser_v1&
{
BOOST_ASSERT(! other.cb_);
h_max_ = other.h_max_;
h_left_ = other.h_left_;
b_max_ = other.b_max_;
b_left_ = other.b_left_;
content_length_ = other.content_length_;
cb_ = nullptr;
s_ = other.s_;
flags_ = other.flags_;
fs_ = other.fs_;
pos_ = other.pos_;
http_major_ = other.http_major_;
http_minor_ = other.http_minor_;
status_code_ = other.status_code_;
upgrade_ = other.upgrade_;
return *this;
}
template<bool isRequest, class Derived>
bool
basic_parser_v1<isRequest, Derived>::
@@ -942,6 +991,7 @@ write(boost::asio::const_buffer const& buffer, error_code& ec)
case body_what::pause:
return used();
}
--p;
s_ = s_headers_done;
// fall through
}
@@ -1198,6 +1248,7 @@ void
basic_parser_v1<isRequest, Derived>::
reset()
{
cb_ = nullptr;
h_left_ = h_max_;
b_left_ = b_max_;
reset(std::integral_constant<bool, isRequest>{});