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-rw-r--r--3rdparty/asio/include/asio/impl/read_until.hpp2595
1 files changed, 2018 insertions, 577 deletions
diff --git a/3rdparty/asio/include/asio/impl/read_until.hpp b/3rdparty/asio/include/asio/impl/read_until.hpp
index c0a435e63b8..7592263723f 100644
--- a/3rdparty/asio/include/asio/impl/read_until.hpp
+++ b/3rdparty/asio/include/asio/impl/read_until.hpp
@@ -2,7 +2,7 @@
// impl/read_until.hpp
// ~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2024 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)
@@ -19,46 +19,95 @@
#include <string>
#include <vector>
#include <utility>
-#include "asio/associated_allocator.hpp"
-#include "asio/associated_executor.hpp"
+#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 {
-template <typename SyncReadStream, typename DynamicBuffer>
+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) buffers, char delim)
+ DynamicBuffer_v1&& buffers, char delim,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
{
asio::error_code ec;
std::size_t bytes_transferred = read_until(s,
- ASIO_MOVE_CAST(DynamicBuffer)(buffers), delim, ec);
+ static_cast<DynamicBuffer_v1&&>(buffers), delim, ec);
asio::detail::throw_error(ec, "read_until");
return bytes_transferred;
}
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
std::size_t read_until(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- char delim, asio::error_code& ec)
+ DynamicBuffer_v1&& buffers,
+ char delim, asio::error_code& ec,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
{
- typename decay<DynamicBuffer>::type b(
- ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ decay_t<DynamicBuffer_v1> b(
+ static_cast<DynamicBuffer_v1&&>(buffers));
std::size_t search_position = 0;
for (;;)
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::const_buffers_type buffers_type;
+ 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);
@@ -96,66 +145,43 @@ std::size_t read_until(SyncReadStream& s,
}
}
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
inline std::size_t read_until(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- ASIO_STRING_VIEW_PARAM delim)
+ DynamicBuffer_v1&& buffers,
+ ASIO_STRING_VIEW_PARAM delim,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
{
asio::error_code ec;
std::size_t bytes_transferred = read_until(s,
- ASIO_MOVE_CAST(DynamicBuffer)(buffers), delim, ec);
+ static_cast<DynamicBuffer_v1&&>(buffers), delim, ec);
asio::detail::throw_error(ec, "read_until");
return bytes_transferred;
}
-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
-
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
std::size_t read_until(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec)
+ DynamicBuffer_v1&& buffers,
+ ASIO_STRING_VIEW_PARAM delim, asio::error_code& ec,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
{
- typename decay<DynamicBuffer>::type b(
- ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ decay_t<DynamicBuffer_v1> b(
+ static_cast<DynamicBuffer_v1&&>(buffers));
std::size_t search_position = 0;
for (;;)
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::const_buffers_type buffers_type;
+ 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);
@@ -205,31 +231,54 @@ std::size_t read_until(SyncReadStream& s,
#if !defined(ASIO_NO_EXTENSIONS)
#if defined(ASIO_HAS_BOOST_REGEX)
-template <typename SyncReadStream, typename DynamicBuffer>
-inline std::size_t read_until(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- const boost::regex& expr)
+namespace detail {
+
+struct regex_match_flags
+{
+ template <typename T>
+ operator T() const
+ {
+ return T::match_default | T::match_partial;
+ }
+};
+
+} // namespace detail
+
+template <typename SyncReadStream, typename DynamicBuffer_v1, typename Traits>
+inline std::size_t read_until(SyncReadStream& s, DynamicBuffer_v1&& buffers,
+ const boost::basic_regex<char, Traits>& expr,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
{
asio::error_code ec;
std::size_t bytes_transferred = read_until(s,
- ASIO_MOVE_CAST(DynamicBuffer)(buffers), expr, ec);
+ static_cast<DynamicBuffer_v1&&>(buffers), expr, ec);
asio::detail::throw_error(ec, "read_until");
return bytes_transferred;
}
-template <typename SyncReadStream, typename DynamicBuffer>
-std::size_t read_until(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- const boost::regex& expr, asio::error_code& ec)
+template <typename SyncReadStream, typename DynamicBuffer_v1, typename Traits>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v1&& buffers,
+ const boost::basic_regex<char, Traits>& expr, asio::error_code& ec,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
{
- typename decay<DynamicBuffer>::type b(
- ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ decay_t<DynamicBuffer_v1> b(
+ static_cast<DynamicBuffer_v1&&>(buffers));
std::size_t search_position = 0;
for (;;)
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::const_buffers_type buffers_type;
+ 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);
@@ -238,10 +287,10 @@ std::size_t read_until(SyncReadStream& s,
// Look for a match.
boost::match_results<iterator,
- typename std::vector<boost::sub_match<iterator> >::allocator_type>
+ 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 (regex_search(start_pos, end, match_results,
+ expr, detail::regex_match_flags()))
{
if (match_results[0].matched)
{
@@ -269,7 +318,9 @@ std::size_t read_until(SyncReadStream& s,
}
// Need more data.
- std::size_t bytes_to_read = read_size_helper(b, 65536);
+ 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;
@@ -279,35 +330,51 @@ std::size_t read_until(SyncReadStream& s,
#endif // defined(ASIO_HAS_BOOST_REGEX)
template <typename SyncReadStream,
- typename DynamicBuffer, typename MatchCondition>
+ typename DynamicBuffer_v1, typename MatchCondition>
inline std::size_t read_until(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ DynamicBuffer_v1&& buffers,
MatchCondition match_condition,
- typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+ constraint_t<
+ is_match_condition<MatchCondition>::value
+ >,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
{
asio::error_code ec;
std::size_t bytes_transferred = read_until(s,
- ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+ static_cast<DynamicBuffer_v1&&>(buffers),
match_condition, ec);
asio::detail::throw_error(ec, "read_until");
return bytes_transferred;
}
template <typename SyncReadStream,
- typename DynamicBuffer, typename MatchCondition>
+ typename DynamicBuffer_v1, typename MatchCondition>
std::size_t read_until(SyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ DynamicBuffer_v1&& buffers,
MatchCondition match_condition, asio::error_code& ec,
- typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+ constraint_t<
+ is_match_condition<MatchCondition>::value
+ >,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
{
- typename decay<DynamicBuffer>::type b(
- ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ decay_t<DynamicBuffer_v1> b(
+ static_cast<DynamicBuffer_v1&&>(buffers));
std::size_t search_position = 0;
for (;;)
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::const_buffers_type buffers_type;
+ 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);
@@ -385,16 +452,18 @@ inline std::size_t read_until(SyncReadStream& s,
#if defined(ASIO_HAS_BOOST_REGEX)
-template <typename SyncReadStream, typename Allocator>
+template <typename SyncReadStream, typename Allocator, typename Traits>
inline std::size_t read_until(SyncReadStream& s,
- asio::basic_streambuf<Allocator>& b, const boost::regex& expr)
+ asio::basic_streambuf<Allocator>& b,
+ const boost::basic_regex<char, Traits>& expr)
{
return read_until(s, basic_streambuf_ref<Allocator>(b), expr);
}
-template <typename SyncReadStream, typename Allocator>
+template <typename SyncReadStream, typename Allocator, typename Traits>
inline std::size_t read_until(SyncReadStream& s,
- asio::basic_streambuf<Allocator>& b, const boost::regex& expr,
+ asio::basic_streambuf<Allocator>& b,
+ const boost::basic_regex<char, Traits>& expr,
asio::error_code& ec)
{
return read_until(s, basic_streambuf_ref<Allocator>(b), expr, ec);
@@ -405,7 +474,7 @@ inline std::size_t read_until(SyncReadStream& s,
template <typename SyncReadStream, typename Allocator, typename MatchCondition>
inline std::size_t read_until(SyncReadStream& s,
asio::basic_streambuf<Allocator>& b, MatchCondition match_condition,
- typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+ constraint_t<is_match_condition<MatchCondition>::value>)
{
return read_until(s, basic_streambuf_ref<Allocator>(b), match_condition);
}
@@ -414,37 +483,360 @@ 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 enable_if<is_match_condition<MatchCondition>::value>::type*)
+ constraint_t<is_match_condition<MatchCondition>::value>)
{
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,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ static_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,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+{
+ 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,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ static_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,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+{
+ 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, typename Traits>
+inline std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ const boost::basic_regex<char, Traits>& expr,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ static_cast<DynamicBuffer_v2&&>(buffers), expr, ec);
+ asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2, typename Traits>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ const boost::basic_regex<char, Traits>& expr, asio::error_code& ec,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+{
+ 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, detail::regex_match_flags()))
+ {
+ 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,
+ constraint_t<
+ is_match_condition<MatchCondition>::value
+ >,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+{
+ asio::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ static_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,
+ constraint_t<
+ is_match_condition<MatchCondition>::value
+ >,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+{
+ 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, typename ReadHandler>
- class read_until_delim_op
+ 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(AsyncReadStream& stream,
- ASIO_MOVE_ARG(BufferSequence) buffers,
+ read_until_delim_op_v1(AsyncReadStream& stream,
+ BufferSequence&& buffers,
char delim, ReadHandler& handler)
- : stream_(stream),
- buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(static_cast<BufferSequence&&>(buffers)),
delim_(delim),
start_(0),
search_position_(0),
- handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ handler_(static_cast<ReadHandler&&>(handler))
{
}
-#if defined(ASIO_HAS_MOVE)
- read_until_delim_op(const read_until_delim_op& other)
- : stream_(other.stream_),
+ 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_),
@@ -453,18 +845,19 @@ namespace detail
{
}
- read_until_delim_op(read_until_delim_op&& other)
- : stream_(other.stream_),
- buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+ read_until_delim_op_v1(read_until_delim_op_v1&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ static_cast<base_from_cancellation_state<ReadHandler>&&>(other)),
+ stream_(other.stream_),
+ buffers_(static_cast<DynamicBuffer_v1&&>(other.buffers_)),
delim_(other.delim_),
start_(other.start_),
search_position_(other.search_position_),
- handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ handler_(static_cast<ReadHandler&&>(other.handler_))
{
}
-#endif // defined(ASIO_HAS_MOVE)
- void operator()(const asio::error_code& ec,
+ 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)();
@@ -476,7 +869,7 @@ namespace detail
{
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::const_buffers_type
+ typedef typename DynamicBuffer_v1::const_buffers_type
buffers_type;
typedef buffers_iterator<buffers_type> iterator;
buffers_type data_buffers = buffers_.data();
@@ -518,12 +911,21 @@ namespace detail
break;
// Start a new asynchronous read operation to obtain more data.
- stream_.async_read_some(buffers_.prepare(bytes_to_read),
- ASIO_MOVE_CAST(read_until_delim_op)(*this));
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.prepare(bytes_to_read),
+ static_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 =
@@ -534,13 +936,13 @@ namespace detail
(ec || search_position_ == not_found)
? 0 : search_position_;
- handler_(result_ec, result_n);
+ static_cast<ReadHandler&&>(handler_)(result_ec, result_n);
}
}
//private:
AsyncReadStream& stream_;
- DynamicBuffer buffers_;
+ DynamicBuffer_v1 buffers_;
char delim_;
int start_;
std::size_t search_position_;
@@ -548,145 +950,133 @@ namespace detail
};
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
- inline void* asio_handler_allocate(std::size_t size,
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline bool asio_handler_is_continuation(
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ 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, typename ReadHandler>
- inline void asio_handler_invoke(Function& function,
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_delim_v1
{
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
- template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
- inline void asio_handler_invoke(const Function& function,
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
+ explicit initiate_async_read_until_delim_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const noexcept
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v1>
+ void operator()(ReadHandler&& handler,
+ 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,
+ decay_t<DynamicBuffer_v1>,
+ decay_t<ReadHandler>>(
+ stream_, static_cast<DynamicBuffer_v1&&>(buffers),
+ delim, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename ReadHandler, typename Allocator>
-struct associated_allocator<
- detail::read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>,
- Allocator>
+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>
{
- typedef typename associated_allocator<ReadHandler, Allocator>::type type;
-
- static type get(
- const detail::read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>& h) noexcept
{
- return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
}
-};
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename ReadHandler, typename Executor>
-struct associated_executor<
- detail::read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>,
- Executor>
-{
- typedef typename associated_executor<ReadHandler, Executor>::type type;
-
- static type get(
- const detail::read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
+ static auto get(
+ const detail::read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>& h,
+ const DefaultCandidate& c) noexcept
+ -> decltype(Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c))
{
- return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
- void (asio::error_code, std::size_t))
-async_read_until(AsyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- char delim, ASIO_MOVE_ARG(ReadHandler) handler)
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s,
+ DynamicBuffer_v1&& buffers, char delim, ReadToken&& token,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_delim_v1<AsyncReadStream>>(),
+ token, static_cast<DynamicBuffer_v1&&>(buffers), delim))
{
- // 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;
-
- async_completion<ReadHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- detail::read_until_delim_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- ASIO_HANDLER_TYPE(ReadHandler,
- void (asio::error_code, std::size_t))>(
- s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- delim, init.completion_handler)(asio::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_v1<AsyncReadStream>(s),
+ token, static_cast<DynamicBuffer_v1&&>(buffers), delim);
}
namespace detail
{
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
- class read_until_delim_string_op
+ 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(AsyncReadStream& stream,
- ASIO_MOVE_ARG(BufferSequence) buffers,
+ read_until_delim_string_op_v1(AsyncReadStream& stream,
+ BufferSequence&& buffers,
const std::string& delim, ReadHandler& handler)
- : stream_(stream),
- buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(static_cast<BufferSequence&&>(buffers)),
delim_(delim),
start_(0),
search_position_(0),
- handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ handler_(static_cast<ReadHandler&&>(handler))
{
}
-#if defined(ASIO_HAS_MOVE)
- read_until_delim_string_op(const read_until_delim_string_op& other)
- : stream_(other.stream_),
+ 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_),
@@ -695,18 +1085,19 @@ namespace detail
{
}
- read_until_delim_string_op(read_until_delim_string_op&& other)
- : stream_(other.stream_),
- buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
- delim_(ASIO_MOVE_CAST(std::string)(other.delim_)),
+ read_until_delim_string_op_v1(read_until_delim_string_op_v1&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ static_cast<base_from_cancellation_state<ReadHandler>&&>(other)),
+ stream_(other.stream_),
+ buffers_(static_cast<DynamicBuffer_v1&&>(other.buffers_)),
+ delim_(static_cast<std::string&&>(other.delim_)),
start_(other.start_),
search_position_(other.search_position_),
- handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ handler_(static_cast<ReadHandler&&>(other.handler_))
{
}
-#endif // defined(ASIO_HAS_MOVE)
- void operator()(const asio::error_code& ec,
+ 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)();
@@ -718,7 +1109,7 @@ namespace detail
{
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::const_buffers_type
+ typedef typename DynamicBuffer_v1::const_buffers_type
buffers_type;
typedef buffers_iterator<buffers_type> iterator;
buffers_type data_buffers = buffers_.data();
@@ -771,12 +1162,21 @@ namespace detail
break;
// Start a new asynchronous read operation to obtain more data.
- stream_.async_read_some(buffers_.prepare(bytes_to_read),
- ASIO_MOVE_CAST(read_until_delim_string_op)(*this));
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.prepare(bytes_to_read),
+ static_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 =
@@ -787,13 +1187,13 @@ namespace detail
(ec || search_position_ == not_found)
? 0 : search_position_;
- handler_(result_ec, result_n);
+ static_cast<ReadHandler&&>(handler_)(result_ec, result_n);
}
}
//private:
AsyncReadStream& stream_;
- DynamicBuffer buffers_;
+ DynamicBuffer_v1 buffers_;
std::string delim_;
int start_;
std::size_t search_position_;
@@ -801,122 +1201,108 @@ namespace detail
};
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
- inline void* asio_handler_allocate(std::size_t size,
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline bool asio_handler_is_continuation(
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ 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, typename ReadHandler>
- inline void asio_handler_invoke(Function& function,
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_delim_string_v1
{
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
- template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
- inline void asio_handler_invoke(const Function& function,
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
+ explicit initiate_async_read_until_delim_string_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const noexcept
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v1>
+ void operator()(ReadHandler&& handler,
+ 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,
+ decay_t<DynamicBuffer_v1>,
+ decay_t<ReadHandler>>(
+ stream_, static_cast<DynamicBuffer_v1&&>(buffers),
+ delim, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename ReadHandler, typename Allocator>
-struct associated_allocator<
- detail::read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>,
- Allocator>
+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>
{
- typedef typename associated_allocator<ReadHandler, Allocator>::type type;
-
- static type get(
- const detail::read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_delim_string_op_v1<
+ AsyncReadStream, DynamicBuffer_v1, ReadHandler>& h) noexcept
{
- return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
}
-};
-
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename ReadHandler, typename Executor>
-struct associated_executor<
- detail::read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>,
- Executor>
-{
- typedef typename associated_executor<ReadHandler, Executor>::type type;
- static type get(
- const detail::read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
+ static auto get(
+ const detail::read_until_delim_string_op_v1<
+ AsyncReadStream, DynamicBuffer_v1, ReadHandler>& h,
+ const DefaultCandidate& c) noexcept
+ -> decltype(Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c))
{
- return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
- void (asio::error_code, std::size_t))
-async_read_until(AsyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- ASIO_STRING_VIEW_PARAM delim,
- ASIO_MOVE_ARG(ReadHandler) handler)
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s, DynamicBuffer_v1&& buffers,
+ ASIO_STRING_VIEW_PARAM delim, ReadToken&& token,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_delim_string_v1<
+ AsyncReadStream>>(),
+ token, static_cast<DynamicBuffer_v1&&>(buffers),
+ static_cast<std::string>(delim)))
{
- // 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;
-
- async_completion<ReadHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- detail::read_until_delim_string_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- ASIO_HANDLER_TYPE(ReadHandler,
- void (asio::error_code, std::size_t))>(
- s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- static_cast<std::string>(delim),
- init.completion_handler)(asio::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_string_v1<AsyncReadStream>(s),
+ token, static_cast<DynamicBuffer_v1&&>(buffers),
+ static_cast<std::string>(delim));
}
#if !defined(ASIO_NO_EXTENSIONS)
@@ -924,27 +1310,29 @@ async_read_until(AsyncReadStream& s,
namespace detail
{
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename RegEx, typename ReadHandler>
- class read_until_expr_op
+ class read_until_expr_op_v1
+ : public base_from_cancellation_state<ReadHandler>
{
public:
- template <typename BufferSequence>
- read_until_expr_op(AsyncReadStream& stream,
- ASIO_MOVE_ARG(BufferSequence) buffers,
- const boost::regex& expr, ReadHandler& handler)
- : stream_(stream),
- buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ template <typename BufferSequence, typename Traits>
+ read_until_expr_op_v1(AsyncReadStream& stream, BufferSequence&& buffers,
+ const boost::basic_regex<char, Traits>& expr, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(static_cast<BufferSequence&&>(buffers)),
expr_(expr),
start_(0),
search_position_(0),
- handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ handler_(static_cast<ReadHandler&&>(handler))
{
}
-#if defined(ASIO_HAS_MOVE)
- read_until_expr_op(const read_until_expr_op& other)
- : stream_(other.stream_),
+ 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_),
@@ -953,18 +1341,19 @@ namespace detail
{
}
- read_until_expr_op(read_until_expr_op&& other)
- : stream_(other.stream_),
- buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+ read_until_expr_op_v1(read_until_expr_op_v1&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ static_cast<base_from_cancellation_state<ReadHandler>&&>(other)),
+ stream_(other.stream_),
+ buffers_(static_cast<DynamicBuffer_v1&&>(other.buffers_)),
expr_(other.expr_),
start_(other.start_),
search_position_(other.search_position_),
- handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ handler_(static_cast<ReadHandler&&>(other.handler_))
{
}
-#endif // defined(ASIO_HAS_MOVE)
- void operator()(const asio::error_code& ec,
+ 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)();
@@ -976,7 +1365,7 @@ namespace detail
{
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::const_buffers_type
+ typedef typename DynamicBuffer_v1::const_buffers_type
buffers_type;
typedef buffers_iterator<buffers_type> iterator;
buffers_type data_buffers = buffers_.data();
@@ -986,10 +1375,10 @@ namespace detail
// Look for a match.
boost::match_results<iterator,
- typename std::vector<boost::sub_match<iterator> >::allocator_type>
+ 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);
+ bool match = regex_search(start_pos, end,
+ match_results, expr_, regex_match_flags());
if (match && match_results[0].matched)
{
// Full match. We're done.
@@ -1032,12 +1421,21 @@ namespace detail
break;
// Start a new asynchronous read operation to obtain more data.
- stream_.async_read_some(buffers_.prepare(bytes_to_read),
- ASIO_MOVE_CAST(read_until_expr_op)(*this));
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.prepare(bytes_to_read),
+ static_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 =
@@ -1048,162 +1446,148 @@ namespace detail
(ec || search_position_ == not_found)
? 0 : search_position_;
- handler_(result_ec, result_n);
+ static_cast<ReadHandler&&>(handler_)(result_ec, result_n);
}
}
//private:
AsyncReadStream& stream_;
- DynamicBuffer buffers_;
+ DynamicBuffer_v1 buffers_;
RegEx expr_;
int start_;
std::size_t search_position_;
ReadHandler handler_;
};
- template <typename AsyncReadStream, typename DynamicBuffer,
- typename RegEx, typename ReadHandler>
- inline void* asio_handler_allocate(std::size_t size,
- read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>* this_handler)
- {
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
- }
-
- template <typename AsyncReadStream, typename DynamicBuffer,
- typename RegEx, typename ReadHandler>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>* this_handler)
- {
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
- }
-
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename RegEx, typename ReadHandler>
inline bool asio_handler_is_continuation(
- read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>* this_handler)
+ 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, typename RegEx, typename ReadHandler>
- inline void asio_handler_invoke(Function& function,
- read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>* this_handler)
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_expr_v1
{
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
- template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename RegEx, typename ReadHandler>
- inline void asio_handler_invoke(const Function& function,
- read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
+ explicit initiate_async_read_until_expr_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const noexcept
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v1, typename RegEx>
+ void operator()(ReadHandler&& handler,
+ 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,
+ decay_t<DynamicBuffer_v1>,
+ RegEx, decay_t<ReadHandler>>(
+ stream_, static_cast<DynamicBuffer_v1&&>(buffers),
+ expr, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename RegEx, typename ReadHandler, typename Allocator>
-struct associated_allocator<
- detail::read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>,
- Allocator>
+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>
{
- typedef typename associated_allocator<ReadHandler, Allocator>::type type;
-
- static type get(
- const detail::read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>& h) noexcept
{
- return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
}
-};
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename RegEx, typename ReadHandler, typename Executor>
-struct associated_executor<
- detail::read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>,
- Executor>
-{
- typedef typename associated_executor<ReadHandler, Executor>::type type;
-
- static type get(
- const detail::read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
+ static auto get(
+ const detail::read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>& h,
+ const DefaultCandidate& c) noexcept
+ -> decltype(Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c))
{
- return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
- void (asio::error_code, std::size_t))
-async_read_until(AsyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- const boost::regex& expr,
- ASIO_MOVE_ARG(ReadHandler) handler)
+template <typename AsyncReadStream, typename DynamicBuffer_v1, typename Traits,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s, DynamicBuffer_v1&& buffers,
+ const boost::basic_regex<char, Traits>& expr, ReadToken&& token,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_expr_v1<AsyncReadStream>>(),
+ token, static_cast<DynamicBuffer_v1&&>(buffers), expr))
{
- // 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;
-
- async_completion<ReadHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- detail::read_until_expr_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- boost::regex, ASIO_HANDLER_TYPE(ReadHandler,
- void (asio::error_code, std::size_t))>(
- s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- expr, init.completion_handler)(asio::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_expr_v1<AsyncReadStream>(s),
+ token, static_cast<DynamicBuffer_v1&&>(buffers), expr);
}
#endif // defined(ASIO_HAS_BOOST_REGEX)
namespace detail
{
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename MatchCondition, typename ReadHandler>
- class read_until_match_op
+ class read_until_match_op_v1
+ : public base_from_cancellation_state<ReadHandler>
{
public:
template <typename BufferSequence>
- read_until_match_op(AsyncReadStream& stream,
- ASIO_MOVE_ARG(BufferSequence) buffers,
+ read_until_match_op_v1(AsyncReadStream& stream,
+ BufferSequence&& buffers,
MatchCondition match_condition, ReadHandler& handler)
- : stream_(stream),
- buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(static_cast<BufferSequence&&>(buffers)),
match_condition_(match_condition),
start_(0),
search_position_(0),
- handler_(ASIO_MOVE_CAST(ReadHandler)(handler))
+ handler_(static_cast<ReadHandler&&>(handler))
{
}
-#if defined(ASIO_HAS_MOVE)
- read_until_match_op(const read_until_match_op& other)
- : stream_(other.stream_),
+ 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_),
@@ -1212,18 +1596,19 @@ namespace detail
{
}
- read_until_match_op(read_until_match_op&& other)
- : stream_(other.stream_),
- buffers_(ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+ read_until_match_op_v1(read_until_match_op_v1&& other)
+ : base_from_cancellation_state<ReadHandler>(
+ static_cast<base_from_cancellation_state<ReadHandler>&&>(other)),
+ stream_(other.stream_),
+ buffers_(static_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_))
+ handler_(static_cast<ReadHandler&&>(other.handler_))
{
}
-#endif // defined(ASIO_HAS_MOVE)
- void operator()(const asio::error_code& ec,
+ 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)();
@@ -1235,7 +1620,7 @@ namespace detail
{
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::const_buffers_type
+ typedef typename DynamicBuffer_v1::const_buffers_type
buffers_type;
typedef buffers_iterator<buffers_type> iterator;
buffers_type data_buffers = buffers_.data();
@@ -1287,12 +1672,21 @@ namespace detail
break;
// Start a new asynchronous read operation to obtain more data.
- stream_.async_read_some(buffers_.prepare(bytes_to_read),
- ASIO_MOVE_CAST(read_until_match_op)(*this));
+ {
+ ASIO_HANDLER_LOCATION((
+ __FILE__, __LINE__, "async_read_until"));
+ stream_.async_read_some(buffers_.prepare(bytes_to_read),
+ static_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 =
@@ -1303,194 +1697,1241 @@ namespace detail
(ec || search_position_ == not_found)
? 0 : search_position_;
- handler_(result_ec, result_n);
+ static_cast<ReadHandler&&>(handler_)(result_ec, result_n);
}
}
//private:
AsyncReadStream& stream_;
- DynamicBuffer buffers_;
+ DynamicBuffer_v1 buffers_;
MatchCondition match_condition_;
int start_;
std::size_t search_position_;
ReadHandler handler_;
};
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename MatchCondition, typename ReadHandler>
- inline void* asio_handler_allocate(std::size_t size,
- read_until_match_op<AsyncReadStream, DynamicBuffer,
+ inline bool asio_handler_is_continuation(
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
MatchCondition, ReadHandler>* this_handler)
{
- return asio_handler_alloc_helpers::allocate(
- size, this_handler->handler_);
+ return this_handler->start_ == 0 ? true
+ : asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
}
- template <typename AsyncReadStream, typename DynamicBuffer,
- typename MatchCondition, typename ReadHandler>
- inline void asio_handler_deallocate(void* pointer, std::size_t size,
- read_until_match_op<AsyncReadStream, DynamicBuffer,
- MatchCondition, ReadHandler>* this_handler)
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_match_v1
{
- asio_handler_alloc_helpers::deallocate(
- pointer, size, this_handler->handler_);
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
+
+ explicit initiate_async_read_until_match_v1(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const noexcept
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler,
+ typename DynamicBuffer_v1, typename MatchCondition>
+ void operator()(ReadHandler&& handler,
+ 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,
+ decay_t<DynamicBuffer_v1>,
+ MatchCondition, decay_t<ReadHandler>>(
+ stream_, static_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) noexcept
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
}
- template <typename AsyncReadStream, typename DynamicBuffer,
- typename MatchCondition, typename ReadHandler>
+ static auto get(
+ const detail::read_until_match_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, MatchCondition, ReadHandler>& h,
+ const DefaultCandidate& c) noexcept
+ -> decltype(Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c))
+ {
+ 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)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s, DynamicBuffer_v1&& buffers,
+ MatchCondition match_condition, ReadToken&& token,
+ constraint_t<
+ is_match_condition<MatchCondition>::value
+ >,
+ constraint_t<
+ is_dynamic_buffer_v1<decay_t<DynamicBuffer_v1>>::value
+ >,
+ constraint_t<
+ !is_dynamic_buffer_v2<decay_t<DynamicBuffer_v1>>::value
+ >)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_match_v1<AsyncReadStream>>(),
+ token, static_cast<DynamicBuffer_v1&&>(buffers),
+ match_condition))
+{
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_match_v1<AsyncReadStream>(s),
+ token, static_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)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b, char delim, ReadToken&& token)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_delim_v1<AsyncReadStream>>(),
+ token, basic_streambuf_ref<Allocator>(b), delim))
+{
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_v1<AsyncReadStream>(s),
+ token, basic_streambuf_ref<Allocator>(b), delim);
+}
+
+template <typename AsyncReadStream, typename Allocator,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ ASIO_STRING_VIEW_PARAM delim, ReadToken&& token)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_delim_string_v1<
+ AsyncReadStream>>(),
+ token, basic_streambuf_ref<Allocator>(b),
+ static_cast<std::string>(delim)))
+{
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_string_v1<AsyncReadStream>(s),
+ token, basic_streambuf_ref<Allocator>(b),
+ static_cast<std::string>(delim));
+}
+
+#if defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename AsyncReadStream, typename Allocator, typename Traits,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ const boost::basic_regex<char, Traits>& expr, ReadToken&& token)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_expr_v1<AsyncReadStream>>(),
+ token, basic_streambuf_ref<Allocator>(b), expr))
+{
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_expr_v1<AsyncReadStream>(s),
+ token, basic_streambuf_ref<Allocator>(b), expr);
+}
+
+#endif // defined(ASIO_HAS_BOOST_REGEX)
+
+template <typename AsyncReadStream, typename Allocator, typename MatchCondition,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s,
+ asio::basic_streambuf<Allocator>& b,
+ MatchCondition match_condition, ReadToken&& token,
+ constraint_t<is_match_condition<MatchCondition>::value>)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_match_v1<AsyncReadStream>>(),
+ token, basic_streambuf_ref<Allocator>(b), match_condition))
+{
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_match_v1<AsyncReadStream>(s),
+ token, basic_streambuf_ref<Allocator>(b), match_condition);
+}
+
+#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,
+ BufferSequence&& buffers,
+ char delim, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(static_cast<BufferSequence&&>(buffers)),
+ delim_(delim),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(static_cast<ReadHandler&&>(handler))
+ {
+ }
+
+ 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>(
+ static_cast<base_from_cancellation_state<ReadHandler>&&>(other)),
+ stream_(other.stream_),
+ buffers_(static_cast<DynamicBuffer_v2&&>(other.buffers_)),
+ delim_(other.delim_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(static_cast<ReadHandler&&>(other.handler_))
+ {
+ }
+
+ 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_),
+ static_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_;
+
+ static_cast<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 bool asio_handler_is_continuation(
- read_until_match_op<AsyncReadStream, DynamicBuffer,
- MatchCondition, ReadHandler>* this_handler)
+ 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, typename MatchCondition,
- typename ReadHandler>
- inline void asio_handler_invoke(Function& function,
- read_until_match_op<AsyncReadStream, DynamicBuffer,
- MatchCondition, ReadHandler>* this_handler)
+ template <typename AsyncReadStream>
+ class initiate_async_read_until_delim_v2
{
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
+ public:
+ typedef typename AsyncReadStream::executor_type executor_type;
- template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename MatchCondition,
- typename ReadHandler>
- inline void asio_handler_invoke(const Function& function,
- read_until_match_op<AsyncReadStream, DynamicBuffer,
- MatchCondition, ReadHandler>* this_handler)
- {
- asio_handler_invoke_helpers::invoke(
- function, this_handler->handler_);
- }
+ explicit initiate_async_read_until_delim_v2(AsyncReadStream& stream)
+ : stream_(stream)
+ {
+ }
+
+ executor_type get_executor() const noexcept
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v2>
+ void operator()(ReadHandler&& handler,
+ 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,
+ decay_t<DynamicBuffer_v2>,
+ decay_t<ReadHandler>>(
+ stream_, static_cast<DynamicBuffer_v2&&>(buffers),
+ delim, handler2.value)(asio::error_code(), 0, 1);
+ }
+
+ private:
+ AsyncReadStream& stream_;
+ };
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename MatchCondition, typename ReadHandler, typename Allocator>
-struct associated_allocator<
- detail::read_until_match_op<AsyncReadStream,
- DynamicBuffer, MatchCondition, ReadHandler>,
- Allocator>
+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>
{
- typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>& h) noexcept
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
+ }
- static type get(
- const detail::read_until_match_op<AsyncReadStream,
- DynamicBuffer, MatchCondition, ReadHandler>& h,
- const Allocator& a = Allocator()) ASIO_NOEXCEPT
+ static auto get(
+ const detail::read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>& h,
+ const DefaultCandidate& c) noexcept
+ -> decltype(Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c))
{
- return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename MatchCondition, typename ReadHandler, typename Executor>
-struct associated_executor<
- detail::read_until_match_op<AsyncReadStream,
- DynamicBuffer, MatchCondition, ReadHandler>,
- Executor>
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s,
+ DynamicBuffer_v2 buffers, char delim, ReadToken&& token,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_delim_v2<AsyncReadStream>>(),
+ token, static_cast<DynamicBuffer_v2&&>(buffers), delim))
{
- typedef typename associated_executor<ReadHandler, Executor>::type type;
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_v2<AsyncReadStream>(s),
+ token, static_cast<DynamicBuffer_v2&&>(buffers), delim);
+}
- static type get(
- const detail::read_until_match_op<AsyncReadStream,
- DynamicBuffer, MatchCondition, ReadHandler>& h,
- const Executor& ex = Executor()) ASIO_NOEXCEPT
+namespace detail
+{
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ class read_until_delim_string_op_v2
+ : public base_from_cancellation_state<ReadHandler>
{
- return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ public:
+ template <typename BufferSequence>
+ read_until_delim_string_op_v2(AsyncReadStream& stream,
+ BufferSequence&& buffers,
+ const std::string& delim, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(static_cast<BufferSequence&&>(buffers)),
+ delim_(delim),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(static_cast<ReadHandler&&>(handler))
+ {
+ }
+
+ 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>(
+ static_cast<base_from_cancellation_state<ReadHandler>&&>(other)),
+ stream_(other.stream_),
+ buffers_(static_cast<DynamicBuffer_v2&&>(other.buffers_)),
+ delim_(static_cast<std::string&&>(other.delim_)),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(static_cast<ReadHandler&&>(other.handler_))
+ {
+ }
+
+ 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_),
+ static_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_;
+
+ static_cast<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 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 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 noexcept
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v2>
+ void operator()(ReadHandler&& handler,
+ 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,
+ decay_t<DynamicBuffer_v2>,
+ decay_t<ReadHandler>>(
+ stream_, static_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) noexcept
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
+ }
+
+ static auto get(
+ const detail::read_until_delim_string_op_v2<
+ AsyncReadStream, DynamicBuffer_v2, ReadHandler>& h,
+ const DefaultCandidate& c) noexcept
+ -> decltype(Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c))
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
}
};
#endif // !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
- typename MatchCondition, typename ReadHandler>
-ASIO_INITFN_RESULT_TYPE(ReadHandler,
- void (asio::error_code, std::size_t))
-async_read_until(AsyncReadStream& s,
- ASIO_MOVE_ARG(DynamicBuffer) buffers,
- MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler,
- typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v2,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ ASIO_STRING_VIEW_PARAM delim, ReadToken&& token,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_delim_string_v2<
+ AsyncReadStream>>(),
+ token, static_cast<DynamicBuffer_v2&&>(buffers),
+ static_cast<std::string>(delim)))
{
- // 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;
-
- async_completion<ReadHandler,
- void (asio::error_code, std::size_t)> init(handler);
-
- detail::read_until_match_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- MatchCondition, ASIO_HANDLER_TYPE(ReadHandler,
- void (asio::error_code, std::size_t))>(
- s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- match_condition, init.completion_handler)(
- asio::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_string_v2<AsyncReadStream>(s),
+ token, static_cast<DynamicBuffer_v2&&>(buffers),
+ static_cast<std::string>(delim));
}
-#if !defined(ASIO_NO_IOSTREAM)
+#if !defined(ASIO_NO_EXTENSIONS)
+#if defined(ASIO_HAS_BOOST_REGEX)
-template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
-inline ASIO_INITFN_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)
+namespace detail
{
- return async_read_until(s, basic_streambuf_ref<Allocator>(b),
- delim, ASIO_MOVE_CAST(ReadHandler)(handler));
-}
+ 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, typename Traits>
+ read_until_expr_op_v2(AsyncReadStream& stream, BufferSequence&& buffers,
+ const boost::basic_regex<char, Traits>& expr, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(static_cast<BufferSequence&&>(buffers)),
+ expr_(expr),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(static_cast<ReadHandler&&>(handler))
+ {
+ }
-template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
-inline ASIO_INITFN_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)
+ 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>(
+ static_cast<base_from_cancellation_state<ReadHandler>&&>(other)),
+ stream_(other.stream_),
+ buffers_(static_cast<DynamicBuffer_v2&&>(other.buffers_)),
+ expr_(other.expr_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(static_cast<ReadHandler&&>(other.handler_))
+ {
+ }
+
+ 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_, regex_match_flags());
+ 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_),
+ static_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_;
+
+ static_cast<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 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 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 noexcept
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler, typename DynamicBuffer_v2, typename RegEx>
+ void operator()(ReadHandler&& handler,
+ 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,
+ decay_t<DynamicBuffer_v2>,
+ RegEx, decay_t<ReadHandler>>(
+ stream_, static_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>
{
- return async_read_until(s, basic_streambuf_ref<Allocator>(b),
- delim, ASIO_MOVE_CAST(ReadHandler)(handler));
-}
+ static typename Associator<ReadHandler, DefaultCandidate>::type get(
+ const detail::read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>& h) noexcept
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
+ }
-#if defined(ASIO_HAS_BOOST_REGEX)
+ static auto get(
+ const detail::read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>& h,
+ const DefaultCandidate& c) noexcept
+ -> decltype(Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c))
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
-inline ASIO_INITFN_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)
+template <typename AsyncReadStream, typename DynamicBuffer_v2, typename Traits,
+ ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
+ std::size_t)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ const boost::basic_regex<char, Traits>& expr, ReadToken&& token,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_expr_v2<AsyncReadStream>>(),
+ token, static_cast<DynamicBuffer_v2&&>(buffers), expr))
{
- return async_read_until(s, basic_streambuf_ref<Allocator>(b),
- expr, ASIO_MOVE_CAST(ReadHandler)(handler));
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_expr_v2<AsyncReadStream>(s),
+ token, static_cast<DynamicBuffer_v2&&>(buffers), expr);
}
#endif // defined(ASIO_HAS_BOOST_REGEX)
-template <typename AsyncReadStream, typename Allocator,
- typename MatchCondition, typename ReadHandler>
-inline ASIO_INITFN_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 enable_if<is_match_condition<MatchCondition>::value>::type*)
+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,
+ BufferSequence&& buffers,
+ MatchCondition match_condition, ReadHandler& handler)
+ : base_from_cancellation_state<ReadHandler>(
+ handler, enable_partial_cancellation()),
+ stream_(stream),
+ buffers_(static_cast<BufferSequence&&>(buffers)),
+ match_condition_(match_condition),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(static_cast<ReadHandler&&>(handler))
+ {
+ }
+
+ 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>(
+ static_cast<base_from_cancellation_state<ReadHandler>&&>(other)),
+ stream_(other.stream_),
+ buffers_(static_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_(static_cast<ReadHandler&&>(other.handler_))
+ {
+ }
+
+ 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_),
+ static_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_;
+
+ static_cast<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 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 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 noexcept
+ {
+ return stream_.get_executor();
+ }
+
+ template <typename ReadHandler,
+ typename DynamicBuffer_v2, typename MatchCondition>
+ void operator()(ReadHandler&& handler,
+ 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, decay_t<DynamicBuffer_v2>,
+ MatchCondition, decay_t<ReadHandler>>(
+ stream_, static_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) noexcept
+ {
+ return Associator<ReadHandler, DefaultCandidate>::get(h.handler_);
+ }
+
+ static auto get(
+ const detail::read_until_match_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, MatchCondition, ReadHandler>& h,
+ const DefaultCandidate& c) noexcept
+ -> decltype(Associator<ReadHandler, DefaultCandidate>::get(h.handler_, c))
+ {
+ 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)) ReadToken>
+inline auto async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ MatchCondition match_condition, ReadToken&& token,
+ constraint_t<
+ is_match_condition<MatchCondition>::value
+ >,
+ constraint_t<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >)
+ -> decltype(
+ async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ declval<detail::initiate_async_read_until_match_v2<AsyncReadStream>>(),
+ token, static_cast<DynamicBuffer_v2&&>(buffers),
+ match_condition))
{
- return async_read_until(s, basic_streambuf_ref<Allocator>(b),
- match_condition, ASIO_MOVE_CAST(ReadHandler)(handler));
+ return async_initiate<ReadToken,
+ void (asio::error_code, std::size_t)>(
+ detail::initiate_async_read_until_match_v2<AsyncReadStream>(s),
+ token, static_cast<DynamicBuffer_v2&&>(buffers),
+ match_condition);
}
-#endif // !defined(ASIO_NO_IOSTREAM)
#endif // !defined(ASIO_NO_EXTENSIONS)
} // namespace asio