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diff --git a/3rdparty/asio/include/asio/impl/read_until.hpp b/3rdparty/asio/include/asio/impl/read_until.hpp
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+//
+// impl/read_until.hpp
+// ~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff 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 ASIO_IMPL_READ_UNTIL_HPP
+#define ASIO_IMPL_READ_UNTIL_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <algorithm>
+#include <string>
+#include <vector>
+#include <utility>
+#include "asio/associator.hpp"
+#include "asio/buffer.hpp"
+#include "asio/buffers_iterator.hpp"
+#include "asio/detail/base_from_cancellation_state.hpp"
+#include "asio/detail/bind_handler.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_cont_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/handler_tracking.hpp"
+#include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/limits.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
+#include "asio/detail/throw_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+namespace detail
+{
+ // Algorithm that finds a subsequence of equal values in a sequence. Returns
+ // (iterator,true) if a full match was found, in which case the iterator
+ // points to the beginning of the match. Returns (iterator,false) if a
+ // partial match was found at the end of the first sequence, in which case
+ // the iterator points to the beginning of the partial match. Returns
+ // (last1,false) if no full or partial match was found.
+ template <typename Iterator1, typename Iterator2>
+ std::pair<Iterator1, bool> partial_search(
+ Iterator1 first1, Iterator1 last1, Iterator2 first2, Iterator2 last2)
+ {
+ for (Iterator1 iter1 = first1; iter1 != last1; ++iter1)
+ {
+ Iterator1 test_iter1 = iter1;
+ Iterator2 test_iter2 = first2;
+ for (;; ++test_iter1, ++test_iter2)
+ {
+ if (test_iter2 == last2)
+ return std::make_pair(iter1, true);
+ if (test_iter1 == last1)
+ {
+ if (test_iter2 != first2)
+ return std::make_pair(iter1, false);
+ else
+ break;
+ }
+ if (*test_iter1 != *test_iter2)
+ break;
+ }
+ }
+ return std::make_pair(last1, false);
+ }
+} // namespace detail
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v1>
+inline std::size_t read_until(SyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers, char delim,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), delim, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v1>
+std::size_t read_until(SyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ char delim, asio::error_code& ec,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ typename decay<DynamicBuffer_v1>::type b(
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v1::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers = b.data();
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ iterator iter = std::find(start_pos, end, delim);
+ if (iter != end)
+ {
+ // Found a match. We're done.
+ ec = asio::error_code();
+ return iter - begin + 1;
+ }
+ else
+ {
+ // No match. Next search can start with the new data.
+ search_position = end - begin;
+ }
+
+ // Check if buffer is full.
+ if (b.size() == b.max_size())
+ {
+ ec = error::not_found;
+ return 0;
+ }
+
+ // Need more data.
+ std::size_t bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(65536, b.max_size() - b.size()));
+ b.commit(s.read_some(b.prepare(bytes_to_read), ec));
+ if (ec)
+ return 0;
+ }
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v1>
+inline std::size_t read_until(SyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ ASIO_STRING_VIEW_PARAM delim,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), delim, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v1>
+std::size_t read_until(SyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ typename decay<DynamicBuffer_v1>::type b(
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v1::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers = b.data();
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = detail::partial_search(
+ start_pos, end, delim.begin(), delim.end());
+ if (result.first != end)
+ {
+ if (result.second)
+ {
+ // Full match. We're done.
+ ec = asio::error_code();
+ return result.first - begin + delim.length();
+ }
+ else
+ {
+ // Partial match. Next search needs to start from beginning of match.
+ search_position = result.first - begin;
+ }
+ }
+ else
+ {
+ // No match. Next search can start with the new data.
+ search_position = end - begin;
+ }
+
+ // Check if buffer is full.
+ if (b.size() == b.max_size())
+ {
+ ec = error::not_found;
+ return 0;
+ }
+
+ // Need more data.
+ std::size_t bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(65536, b.max_size() - b.size()));
+ b.commit(s.read_some(b.prepare(bytes_to_read), ec));
+ if (ec)
+ return 0;
+ }
+}
+
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream, typename DynamicBuffer_v1>
+inline std::size_t read_until(SyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ const boost::regex& expr,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), expr, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v1>
+std::size_t read_until(SyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ const boost::regex& expr, asio::error_code& ec,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ typename decay<DynamicBuffer_v1>::type b(
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v1::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers = b.data();
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ boost::match_results<iterator,
+ typename std::vector<boost::sub_match<iterator> >::allocator_type>
+ match_results;
+ if (regex_search(start_pos, end, match_results, expr,
+ boost::match_default | boost::match_partial))
+ {
+ if (match_results[0].matched)
+ {
+ // Full match. We're done.
+ ec = asio::error_code();
+ return match_results[0].second - begin;
+ }
+ else
+ {
+ // Partial match. Next search needs to start from beginning of match.
+ search_position = match_results[0].first - begin;
+ }
+ }
+ else
+ {
+ // No match. Next search can start with the new data.
+ search_position = end - begin;
+ }
+
+ // Check if buffer is full.
+ if (b.size() == b.max_size())
+ {
+ ec = error::not_found;
+ return 0;
+ }
+
+ // Need more data.
+ std::size_t bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(65536, b.max_size() - b.size()));
+ b.commit(s.read_some(b.prepare(bytes_to_read), ec));
+ if (ec)
+ return 0;
+ }
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream,
+ typename DynamicBuffer_v1, typename MatchCondition>
+inline std::size_t read_until(SyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ MatchCondition match_condition,
+ typename constraint<
+ is_match_condition<MatchCondition>::value
+ >::type,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ match_condition, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream,
+ typename DynamicBuffer_v1, typename MatchCondition>
+std::size_t read_until(SyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ MatchCondition match_condition, asio::error_code& ec,
+ typename constraint<
+ is_match_condition<MatchCondition>::value
+ >::type,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ typename decay<DynamicBuffer_v1>::type b(
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v1::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers = b.data();
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = match_condition(start_pos, end);
+ if (result.second)
+ {
+ // Full match. We're done.
+ ec = asio::error_code();
+ return result.first - begin;
+ }
+ else if (result.first != end)
+ {
+ // Partial match. Next search needs to start from beginning of match.
+ search_position = result.first - begin;
+ }
+ else
+ {
+ // No match. Next search can start with the new data.
+ search_position = end - begin;
+ }
+
+ // Check if buffer is full.
+ if (b.size() == b.max_size())
+ {
+ ec = error::not_found;
+ return 0;
+ }
+
+ // Need more data.
+ std::size_t bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(65536, b.max_size() - b.size()));
+ b.commit(s.read_some(b.prepare(bytes_to_read), ec));
+ if (ec)
+ return 0;
+ }
+}
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b, char delim)
+{
+ return read_until(s, basic_streambuf_ref<Allocator>(b), delim);
+}
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b, char delim,
+ asio::error_code& ec)
+{
+ return read_until(s, basic_streambuf_ref<Allocator>(b), delim, ec);
+}
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ ASIO_STRING_VIEW_PARAM delim)
+{
+ return read_until(s, basic_streambuf_ref<Allocator>(b), delim);
+}
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec)
+{
+ return read_until(s, basic_streambuf_ref<Allocator>(b), delim, ec);
+}
+
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b, const boost::regex& expr)
+{
+ return read_until(s, basic_streambuf_ref<Allocator>(b), expr);
+}
+
+template <typename SyncReadStream, typename Allocator>
+inline std::size_t read_until(SyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b, const boost::regex& expr,
+ asio::error_code& ec)
+{
+ return read_until(s, basic_streambuf_ref<Allocator>(b), expr, ec);
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream, typename Allocator, typename MatchCondition>
+inline std::size_t read_until(SyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b, MatchCondition match_condition,
+ typename constraint<is_match_condition<MatchCondition>::value>::type)
+{
+ return read_until(s, basic_streambuf_ref<Allocator>(b), match_condition);
+}
+
+template <typename SyncReadStream, typename Allocator, typename MatchCondition>
+inline std::size_t read_until(SyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ MatchCondition match_condition, asio::error_code& ec,
+ typename constraint<is_match_condition<MatchCondition>::value>::type)
+{
+ return read_until(s, basic_streambuf_ref<Allocator>(b), match_condition, ec);
+}
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+#endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read_until(SyncReadStream& s,
+ DynamicBuffer_v2 buffers, char delim,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ char delim, asio::error_code& ec,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ iterator iter = std::find(start_pos, end, delim);
+ if (iter != end)
+ {
+ // Found a match. We're done.
+ ec = asio::error_code();
+ return iter - begin + 1;
+ }
+ else
+ {
+ // No match. Next search can start with the new data.
+ search_position = end - begin;
+ }
+
+ // Check if buffer is full.
+ if (b.size() == b.max_size())
+ {
+ ec = error::not_found;
+ return 0;
+ }
+
+ // Need more data.
+ std::size_t bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(65536, b.max_size() - b.size()));
+ std::size_t pos = b.size();
+ b.grow(bytes_to_read);
+ std::size_t bytes_transferred = s.read_some(b.data(pos, bytes_to_read), ec);
+ b.shrink(bytes_to_read - bytes_transferred);
+ if (ec)
+ return 0;
+ }
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read_until(SyncReadStream& s,
+ DynamicBuffer_v2 buffers, ASIO_STRING_VIEW_PARAM delim,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = detail::partial_search(
+ start_pos, end, delim.begin(), delim.end());
+ if (result.first != end)
+ {
+ if (result.second)
+ {
+ // Full match. We're done.
+ ec = asio::error_code();
+ return result.first - begin + delim.length();
+ }
+ else
+ {
+ // Partial match. Next search needs to start from beginning of match.
+ search_position = result.first - begin;
+ }
+ }
+ else
+ {
+ // No match. Next search can start with the new data.
+ search_position = end - begin;
+ }
+
+ // Check if buffer is full.
+ if (b.size() == b.max_size())
+ {
+ ec = error::not_found;
+ return 0;
+ }
+
+ // Need more data.
+ std::size_t bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(65536, b.max_size() - b.size()));
+ std::size_t pos = b.size();
+ b.grow(bytes_to_read);
+ std::size_t bytes_transferred = s.read_some(b.data(pos, bytes_to_read), ec);
+ b.shrink(bytes_to_read - bytes_transferred);
+ if (ec)
+ return 0;
+ }
+}
+
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read_until(SyncReadStream& s,
+ DynamicBuffer_v2 buffers, const boost::regex& expr,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), expr, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ const boost::regex& expr, asio::error_code& ec,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ boost::match_results<iterator,
+ typename std::vector<boost::sub_match<iterator> >::allocator_type>
+ match_results;
+ if (regex_search(start_pos, end, match_results, expr,
+ boost::match_default | boost::match_partial))
+ {
+ if (match_results[0].matched)
+ {
+ // Full match. We're done.
+ ec = asio::error_code();
+ return match_results[0].second - begin;
+ }
+ else
+ {
+ // Partial match. Next search needs to start from beginning of match.
+ search_position = match_results[0].first - begin;
+ }
+ }
+ else
+ {
+ // No match. Next search can start with the new data.
+ search_position = end - begin;
+ }
+
+ // Check if buffer is full.
+ if (b.size() == b.max_size())
+ {
+ ec = error::not_found;
+ return 0;
+ }
+
+ // Need more data.
+ std::size_t bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(65536, b.max_size() - b.size()));
+ std::size_t pos = b.size();
+ b.grow(bytes_to_read);
+ std::size_t bytes_transferred = s.read_some(b.data(pos, bytes_to_read), ec);
+ b.shrink(bytes_to_read - bytes_transferred);
+ if (ec)
+ return 0;
+ }
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition>
+inline std::size_t read_until(SyncReadStream& s,
+ DynamicBuffer_v2 buffers, MatchCondition match_condition,
+ typename constraint<
+ is_match_condition<MatchCondition>::value
+ >::type,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ match_condition, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ MatchCondition match_condition, asio::error_code& ec,
+ typename constraint<
+ is_match_condition<MatchCondition>::value
+ >::type,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = match_condition(start_pos, end);
+ if (result.second)
+ {
+ // Full match. We're done.
+ ec = asio::error_code();
+ return result.first - begin;
+ }
+ else if (result.first != end)
+ {
+ // Partial match. Next search needs to start from beginning of match.
+ search_position = result.first - begin;
+ }
+ else
+ {
+ // No match. Next search can start with the new data.
+ search_position = end - begin;
+ }
+
+ // Check if buffer is full.
+ if (b.size() == b.max_size())
+ {
+ ec = error::not_found;
+ return 0;
+ }
+
+ // Need more data.
+ std::size_t bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512, b.capacity() - b.size()),
+ std::min<std::size_t>(65536, b.max_size() - b.size()));
+ std::size_t pos = b.size();
+ b.grow(bytes_to_read);
+ std::size_t bytes_transferred = s.read_some(b.data(pos, bytes_to_read), ec);
+ b.shrink(bytes_to_read - bytes_transferred);
+ if (ec)
+ return 0;
+ }
+}
+
+#endif // !defined(ASIO_NO_EXTENSIONS)
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+namespace detail
+{
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ class read_until_delim_op_v1
+ : public base_from_cancellation_state<ReadHandler>
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_delim_op_v1(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ char delim, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ delim_(delim),
+ start_(0),
+ search_position_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_until_delim_op_v1(const read_until_delim_op_v1& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ delim_(other.delim_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_until_delim_op_v1(read_until_delim_op_v1&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
+ delim_(other.delim_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t bytes_to_read;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v1::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers = buffers_.data();
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ iterator iter = std::find(start_pos, end, delim_);
+ if (iter != end)
+ {
+ // Found a match. We're done.
+ search_position_ = iter - begin + 1;
+ bytes_to_read = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read == 0)
+ break;
+
+ // Start a new asynchronous read operation to obtain more data.
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.prepare(bytes_to_read),
+ ASIO_MOVE_CAST(read_until_delim_op_v1)(*this));
+ }
+ return; default:
+ buffers_.commit(bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ const asio::error_code result_ec =
+ (search_position_ == not_found)
+ ? error::not_found : ec;
+
+ const std::size_t result_n =
+ (ec || search_position_ == not_found)
+ ? 0 : search_position_;
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(result_ec, result_n);
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v1 buffers_;
+ char delim_;
+ int start_;
+ std::size_t search_position_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_delim_v1
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_delim_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v1>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ char delim) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_delim_op_v1<AsyncReadStream,
+ typename decay<DynamicBuffer_v1>::type,
+ typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ delim, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ char delim, ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_v1<AsyncReadStream>(s),
+ handler, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), delim);
+}
+
+namespace detail
+{
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ class read_until_delim_string_op_v1
+ : public base_from_cancellation_state<ReadHandler>
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_delim_string_op_v1(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ const std::string& delim, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ delim_(delim),
+ start_(0),
+ search_position_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_until_delim_string_op_v1(const read_until_delim_string_op_v1& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ delim_(other.delim_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_until_delim_string_op_v1(read_until_delim_string_op_v1&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
+ delim_(ASIO_MOVE_CAST(std::string)(other.delim_)),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t bytes_to_read;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v1::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers = buffers_.data();
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = detail::partial_search(
+ start_pos, end, delim_.begin(), delim_.end());
+ if (result.first != end && result.second)
+ {
+ // Full match. We're done.
+ search_position_ = result.first - begin + delim_.length();
+ bytes_to_read = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ if (result.first != end)
+ {
+ // Partial match. Next search needs to start from beginning of
+ // match.
+ search_position_ = result.first - begin;
+ }
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ }
+
+ bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read == 0)
+ break;
+
+ // Start a new asynchronous read operation to obtain more data.
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.prepare(bytes_to_read),
+ ASIO_MOVE_CAST(read_until_delim_string_op_v1)(*this));
+ }
+ return; default:
+ buffers_.commit(bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ const asio::error_code result_ec =
+ (search_position_ == not_found)
+ ? error::not_found : ec;
+
+ const std::size_t result_n =
+ (ec || search_position_ == not_found)
+ ? 0 : search_position_;
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(result_ec, result_n);
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v1 buffers_;
+ std::string delim_;
+ int start_;
+ std::size_t search_position_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_delim_string_v1
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_delim_string_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v1>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ const std::string& delim) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_delim_string_op_v1<AsyncReadStream,
+ typename decay<DynamicBuffer_v1>::type,
+ typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ delim, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ ASIO_STRING_VIEW_PARAM delim,
+ ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_string_v1<AsyncReadStream>(s),
+ handler, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ static_cast<std::string>(delim));
+}
+
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+namespace detail
+{
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename RegEx, typename ReadHandler>
+ class read_until_expr_op_v1
+ : public base_from_cancellation_state<ReadHandler>
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_expr_op_v1(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ const boost::regex& expr, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ expr_(expr),
+ start_(0),
+ search_position_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_until_expr_op_v1(const read_until_expr_op_v1& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ expr_(other.expr_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_until_expr_op_v1(read_until_expr_op_v1&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
+ expr_(other.expr_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t bytes_to_read;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v1::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers = buffers_.data();
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ boost::match_results<iterator,
+ typename std::vector<boost::sub_match<iterator> >::allocator_type>
+ match_results;
+ bool match = regex_search(start_pos, end, match_results, expr_,
+ boost::match_default | boost::match_partial);
+ if (match && match_results[0].matched)
+ {
+ // Full match. We're done.
+ search_position_ = match_results[0].second - begin;
+ bytes_to_read = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ if (match)
+ {
+ // Partial match. Next search needs to start from beginning of
+ // match.
+ search_position_ = match_results[0].first - begin;
+ }
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ }
+
+ bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read == 0)
+ break;
+
+ // Start a new asynchronous read operation to obtain more data.
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.prepare(bytes_to_read),
+ ASIO_MOVE_CAST(read_until_expr_op_v1)(*this));
+ }
+ return; default:
+ buffers_.commit(bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ const asio::error_code result_ec =
+ (search_position_ == not_found)
+ ? error::not_found : ec;
+
+ const std::size_t result_n =
+ (ec || search_position_ == not_found)
+ ? 0 : search_position_;
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(result_ec, result_n);
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v1 buffers_;
+ RegEx expr_;
+ int start_;
+ std::size_t search_position_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename RegEx, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename RegEx, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename RegEx, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename RegEx, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename RegEx, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_expr_v1
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_expr_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v1, typename RegEx>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers, const RegEx& expr) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_expr_op_v1<AsyncReadStream,
+ typename decay<DynamicBuffer_v1>::type,
+ RegEx, typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ expr, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename RegEx, typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ const boost::regex& expr,
+ ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_expr_v1<AsyncReadStream>(s),
+ handler, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), expr);
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+namespace detail
+{
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename MatchCondition, typename ReadHandler>
+ class read_until_match_op_v1
+ : public base_from_cancellation_state<ReadHandler>
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_match_op_v1(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ MatchCondition match_condition, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ match_condition_(match_condition),
+ start_(0),
+ search_position_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_until_match_op_v1(const read_until_match_op_v1& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ match_condition_(other.match_condition_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_until_match_op_v1(read_until_match_op_v1&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
+ match_condition_(other.match_condition_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t bytes_to_read;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v1::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers = buffers_.data();
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = match_condition_(start_pos, end);
+ if (result.second)
+ {
+ // Full match. We're done.
+ search_position_ = result.first - begin;
+ bytes_to_read = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ if (result.first != end)
+ {
+ // Partial match. Next search needs to start from beginning of
+ // match.
+ search_position_ = result.first - begin;
+ }
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ }
+
+ bytes_to_read = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read == 0)
+ break;
+
+ // Start a new asynchronous read operation to obtain more data.
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.prepare(bytes_to_read),
+ ASIO_MOVE_CAST(read_until_match_op_v1)(*this));
+ }
+ return; default:
+ buffers_.commit(bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ const asio::error_code result_ec =
+ (search_position_ == not_found)
+ ? error::not_found : ec;
+
+ const std::size_t result_n =
+ (ec || search_position_ == not_found)
+ ? 0 : search_position_;
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(result_ec, result_n);
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v1 buffers_;
+ MatchCondition match_condition_;
+ int start_;
+ std::size_t search_position_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename MatchCondition, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename MatchCondition, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename MatchCondition, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename MatchCondition,
+ typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename MatchCondition,
+ typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_match_v1
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_match_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler,
+ typename DynamicBuffer_v1, typename MatchCondition>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ MatchCondition match_condition) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_match_op_v1<AsyncReadStream,
+ typename decay<DynamicBuffer_v1>::type,
+ MatchCondition, typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ match_condition, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v1,
+ typename MatchCondition, typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_until_match_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, MatchCondition, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_match_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, MatchCondition, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename MatchCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_match_condition<MatchCondition>::value
+ >::type,
+ typename constraint<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ >::type,
+ typename constraint<
+ !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_match_v1<AsyncReadStream>(s), handler,
+ ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), match_condition);
+}
+
+#if !defined(ASIO_NO_IOSTREAM)
+
+template <typename AsyncReadStream, typename Allocator,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ char delim, ASIO_MOVE_ARG(ReadHandler) handler)
+{
+ return async_read_until(s, basic_streambuf_ref<Allocator>(b),
+ delim, ASIO_MOVE_CAST(ReadHandler)(handler));
+}
+
+template <typename AsyncReadStream, typename Allocator,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ ASIO_STRING_VIEW_PARAM delim,
+ ASIO_MOVE_ARG(ReadHandler) handler)
+{
+ return async_read_until(s, basic_streambuf_ref<Allocator>(b),
+ delim, ASIO_MOVE_CAST(ReadHandler)(handler));
+}
+
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename AsyncReadStream, typename Allocator,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b, const boost::regex& expr,
+ ASIO_MOVE_ARG(ReadHandler) handler)
+{
+ return async_read_until(s, basic_streambuf_ref<Allocator>(b),
+ expr, ASIO_MOVE_CAST(ReadHandler)(handler));
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename AsyncReadStream, typename Allocator, typename MatchCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+inline ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<is_match_condition<MatchCondition>::value>::type)
+{
+ return async_read_until(s, basic_streambuf_ref<Allocator>(b),
+ match_condition, ASIO_MOVE_CAST(ReadHandler)(handler));
+}
+
+#endif // !defined(ASIO_NO_IOSTREAM)
+#endif // !defined(ASIO_NO_EXTENSIONS)
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+namespace detail
+{
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ class read_until_delim_op_v2
+ : public base_from_cancellation_state<ReadHandler>
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_delim_op_v2(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ char delim, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ delim_(delim),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_until_delim_op_v2(const read_until_delim_op_v2& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ delim_(other.delim_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_until_delim_op_v2(read_until_delim_op_v2&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ delim_(other.delim_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t pos;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(buffers_).data(
+ 0, buffers_.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ iterator iter = std::find(start_pos, end, delim_);
+ if (iter != end)
+ {
+ // Found a match. We're done.
+ search_position_ = iter - begin + 1;
+ bytes_to_read_ = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read_ = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ bytes_to_read_ = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read_ == 0)
+ break;
+
+ // Start a new asynchronous read operation to obtain more data.
+ pos = buffers_.size();
+ buffers_.grow(bytes_to_read_);
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+ ASIO_MOVE_CAST(read_until_delim_op_v2)(*this));
+ }
+ return; default:
+ buffers_.shrink(bytes_to_read_ - bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ const asio::error_code result_ec =
+ (search_position_ == not_found)
+ ? error::not_found : ec;
+
+ const std::size_t result_n =
+ (ec || search_position_ == not_found)
+ ? 0 : search_position_;
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(result_ec, result_n);
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v2 buffers_;
+ char delim_;
+ int start_;
+ std::size_t search_position_;
+ std::size_t bytes_to_read_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_delim_v2
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_delim_v2(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v2>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v2) buffers, char delim) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_delim_op_v2<AsyncReadStream,
+ typename decay<DynamicBuffer_v2>::type,
+ typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ delim, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ char delim, ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_v2<AsyncReadStream>(s),
+ handler, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim);
+}
+
+namespace detail
+{
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ class read_until_delim_string_op_v2
+ : public base_from_cancellation_state<ReadHandler>
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_delim_string_op_v2(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ const std::string& delim, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ delim_(delim),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_until_delim_string_op_v2(const read_until_delim_string_op_v2& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ delim_(other.delim_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_until_delim_string_op_v2(read_until_delim_string_op_v2&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ delim_(ASIO_MOVE_CAST(std::string)(other.delim_)),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t pos;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(buffers_).data(
+ 0, buffers_.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = detail::partial_search(
+ start_pos, end, delim_.begin(), delim_.end());
+ if (result.first != end && result.second)
+ {
+ // Full match. We're done.
+ search_position_ = result.first - begin + delim_.length();
+ bytes_to_read_ = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read_ = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ if (result.first != end)
+ {
+ // Partial match. Next search needs to start from beginning of
+ // match.
+ search_position_ = result.first - begin;
+ }
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ }
+
+ bytes_to_read_ = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read_ == 0)
+ break;
+
+ // Start a new asynchronous read operation to obtain more data.
+ pos = buffers_.size();
+ buffers_.grow(bytes_to_read_);
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+ ASIO_MOVE_CAST(read_until_delim_string_op_v2)(*this));
+ }
+ return; default:
+ buffers_.shrink(bytes_to_read_ - bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ const asio::error_code result_ec =
+ (search_position_ == not_found)
+ ? error::not_found : ec;
+
+ const std::size_t result_n =
+ (ec || search_position_ == not_found)
+ ? 0 : search_position_;
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(result_ec, result_n);
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v2 buffers_;
+ std::string delim_;
+ int start_;
+ std::size_t search_position_;
+ std::size_t bytes_to_read_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_delim_string_v2
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_delim_string_v2(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v2>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+ const std::string& delim) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_delim_string_op_v2<AsyncReadStream,
+ typename decay<DynamicBuffer_v2>::type,
+ typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ delim, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v2,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ DynamicBuffer_v2 buffers, ASIO_STRING_VIEW_PARAM delim,
+ ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_string_v2<AsyncReadStream>(s),
+ handler, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ static_cast<std::string>(delim));
+}
+
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+namespace detail
+{
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler>
+ class read_until_expr_op_v2
+ : public base_from_cancellation_state<ReadHandler>
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_expr_op_v2(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ const boost::regex& expr, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ expr_(expr),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_until_expr_op_v2(const read_until_expr_op_v2& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ expr_(other.expr_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_until_expr_op_v2(read_until_expr_op_v2&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ expr_(other.expr_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t pos;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(buffers_).data(
+ 0, buffers_.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ boost::match_results<iterator,
+ typename std::vector<boost::sub_match<iterator> >::allocator_type>
+ match_results;
+ bool match = regex_search(start_pos, end, match_results, expr_,
+ boost::match_default | boost::match_partial);
+ if (match && match_results[0].matched)
+ {
+ // Full match. We're done.
+ search_position_ = match_results[0].second - begin;
+ bytes_to_read_ = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read_ = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ if (match)
+ {
+ // Partial match. Next search needs to start from beginning of
+ // match.
+ search_position_ = match_results[0].first - begin;
+ }
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ }
+
+ bytes_to_read_ = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read_ == 0)
+ break;
+
+ // Start a new asynchronous read operation to obtain more data.
+ pos = buffers_.size();
+ buffers_.grow(bytes_to_read_);
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+ ASIO_MOVE_CAST(read_until_expr_op_v2)(*this));
+ }
+ return; default:
+ buffers_.shrink(bytes_to_read_ - bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ const asio::error_code result_ec =
+ (search_position_ == not_found)
+ ? error::not_found : ec;
+
+ const std::size_t result_n =
+ (ec || search_position_ == not_found)
+ ? 0 : search_position_;
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(result_ec, result_n);
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v2 buffers_;
+ RegEx expr_;
+ int start_;
+ std::size_t search_position_;
+ std::size_t bytes_to_read_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename RegEx, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename RegEx, typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_expr_v2
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_expr_v2(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v2, typename RegEx>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+ const RegEx& expr) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_expr_op_v2<AsyncReadStream,
+ typename decay<DynamicBuffer_v2>::type,
+ RegEx, typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ expr, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ const boost::regex& expr, ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_expr_v2<AsyncReadStream>(s),
+ handler, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), expr);
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+namespace detail
+{
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler>
+ class read_until_match_op_v2
+ : public base_from_cancellation_state<ReadHandler>
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_match_op_v2(AsyncReadStream& stream,
+ ASIO_MOVE_ARG(BufferSequence) buffers,
+ MatchCondition match_condition, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ match_condition_(match_condition),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(ASIO_HAS_MOVE)
+ read_until_match_op_v2(const read_until_match_op_v2& other)
+ : base_from_cancellation_state<ReadHandler>(other),
+ stream_(other.stream_),
+ buffers_(other.buffers_),
+ match_condition_(other.match_condition_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(other.handler_)
+ {
+ }
+
+ read_until_match_op_v2(read_until_match_op_v2&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ ASIO_MOVE_CAST(base_from_cancellation_state<
+ ReadHandler>)(other)),
+ stream_(other.stream_),
+ buffers_(ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ match_condition_(other.match_condition_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(ASIO_HAS_MOVE)
+
+ void operator()(asio::error_code ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t pos;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(buffers_).data(
+ 0, buffers_.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = match_condition_(start_pos, end);
+ if (result.second)
+ {
+ // Full match. We're done.
+ search_position_ = result.first - begin;
+ bytes_to_read_ = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read_ = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ if (result.first != end)
+ {
+ // Partial match. Next search needs to start from beginning of
+ // match.
+ search_position_ = result.first - begin;
+ }
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ }
+
+ bytes_to_read_ = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read_ == 0)
+ break;
+
+ // Start a new asynchronous read operation to obtain more data.
+ pos = buffers_.size();
+ buffers_.grow(bytes_to_read_);
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+ ASIO_MOVE_CAST(read_until_match_op_v2)(*this));
+ }
+ return; default:
+ buffers_.shrink(bytes_to_read_ - bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ if (this->cancelled() != cancellation_type::none)
+ {
+ ec = error::operation_aborted;
+ break;
+ }
+ }
+
+ const asio::error_code result_ec =
+ (search_position_ == not_found)
+ ? error::not_found : ec;
+
+ const std::size_t result_n =
+ (ec || search_position_ == not_found)
+ ? 0 : search_position_;
+
+ ASIO_MOVE_OR_LVALUE(ReadHandler)(handler_)(result_ec, result_n);
+ }
+ }
+
+ //private:
+ AsyncReadStream& stream_;
+ DynamicBuffer_v2 buffers_;
+ MatchCondition match_condition_;
+ int start_;
+ std::size_t search_position_;
+ std::size_t bytes_to_read_;
+ ReadHandler handler_;
+ };
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler>
+ inline asio_handler_allocate_is_deprecated
+ asio_handler_allocate(std::size_t size,
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+#if defined(ASIO_NO_DEPRECATED)
+ asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
+ return asio_handler_allocate_is_no_longer_used();
+#else // defined(ASIO_NO_DEPRECATED)
+ return asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler>
+ inline asio_handler_deallocate_is_deprecated
+ asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_deallocate_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition,
+ typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(Function& function,
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition,
+ typename ReadHandler>
+ inline asio_handler_invoke_is_deprecated
+ asio_handler_invoke(const Function& function,
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+#if defined(ASIO_NO_DEPRECATED)
+ return asio_handler_invoke_is_no_longer_used();
+#endif // defined(ASIO_NO_DEPRECATED)
+ }
+
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_match_v2
+ {
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_match_v2(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const ASIO_NOEXCEPT
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler,
+ typename DynamicBuffer_v2, typename MatchCondition>
+ void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+ ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+ MatchCondition match_condition) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_match_op_v2<AsyncReadStream,
+ typename decay<DynamicBuffer_v2>::type,
+ MatchCondition, typename decay<ReadHandler>::type>(
+ stream_, ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ match_condition, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <template <typename, typename> class Associator,
+ typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler, typename DefaultCandidate>
+struct associator<Associator,
+ detail::read_until_match_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, MatchCondition, ReadHandler>,
+ DefaultCandidate>
+ : Associator<ReadHandler, DefaultCandidate>
+{
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_match_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, MatchCondition, ReadHandler>& h,
+ const DefaultCandidate& c = DefaultCandidate()) ASIO_NOEXCEPT
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadHandler>
+ASIO_INITFN_AUTO_RESULT_TYPE(ReadHandler,
+ void (asio::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler,
+ typename constraint<
+ is_match_condition<MatchCondition>::value
+ >::type,
+ typename constraint<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type)
+{
+ return async_initiate<ReadHandler,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_match_v2<AsyncReadStream>(s), handler,
+ ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), match_condition);
+}
+
+#endif // !defined(ASIO_NO_EXTENSIONS)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_READ_UNTIL_HPP