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-rw-r--r--boost/asio/impl/read_until.hpp2070
1 files changed, 1786 insertions, 284 deletions
diff --git a/boost/asio/impl/read_until.hpp b/boost/asio/impl/read_until.hpp
index 8bc959557a..63b86f8f2e 100644
--- a/boost/asio/impl/read_until.hpp
+++ b/boost/asio/impl/read_until.hpp
@@ -2,7 +2,7 @@
// impl/read_until.hpp
// ~~~~~~~~~~~~~~~~~~~
//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 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)
@@ -29,6 +29,7 @@
#include <boost/asio/detail/handler_invoke_helpers.hpp>
#include <boost/asio/detail/handler_type_requirements.hpp>
#include <boost/asio/detail/limits.hpp>
+#include <boost/asio/detail/non_const_lvalue.hpp>
#include <boost/asio/detail/throw_error.hpp>
#include <boost/asio/detail/push_options.hpp>
@@ -36,30 +37,75 @@
namespace boost {
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(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v1>
inline std::size_t read_until(SyncReadStream& s,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers, char delim)
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers, char delim,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
boost::system::error_code ec;
std::size_t bytes_transferred = read_until(s,
- BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers), delim, ec);
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), delim, ec);
boost::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,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
- char delim, boost::system::error_code& ec)
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ char delim, boost::system::error_code& ec,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
- typename decay<DynamicBuffer>::type b(
- BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ typename decay<DynamicBuffer_v1>::type b(
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
std::size_t search_position = 0;
for (;;)
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::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);
@@ -97,66 +143,39 @@ 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,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
- BOOST_ASIO_STRING_VIEW_PARAM delim)
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ BOOST_ASIO_STRING_VIEW_PARAM delim,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
boost::system::error_code ec;
std::size_t bytes_transferred = read_until(s,
- BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers), delim, ec);
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), delim, ec);
boost::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,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
- BOOST_ASIO_STRING_VIEW_PARAM delim, boost::system::error_code& ec)
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ BOOST_ASIO_STRING_VIEW_PARAM delim, boost::system::error_code& ec,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
- typename decay<DynamicBuffer>::type b(
- BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ typename decay<DynamicBuffer_v1>::type b(
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
std::size_t search_position = 0;
for (;;)
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::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);
@@ -206,31 +225,39 @@ std::size_t read_until(SyncReadStream& s,
#if !defined(BOOST_ASIO_NO_EXTENSIONS)
#if defined(BOOST_ASIO_HAS_BOOST_REGEX)
-template <typename SyncReadStream, typename DynamicBuffer>
+template <typename SyncReadStream, typename DynamicBuffer_v1>
inline std::size_t read_until(SyncReadStream& s,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
- const boost::regex& expr)
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ const boost::regex& expr,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
boost::system::error_code ec;
std::size_t bytes_transferred = read_until(s,
- BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers), expr, ec);
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), expr, ec);
boost::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,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
- const boost::regex& expr, boost::system::error_code& ec)
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ const boost::regex& expr, boost::system::error_code& ec,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
- typename decay<DynamicBuffer>::type b(
- BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ typename decay<DynamicBuffer_v1>::type b(
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
std::size_t search_position = 0;
for (;;)
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::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);
@@ -282,35 +309,43 @@ std::size_t read_until(SyncReadStream& s,
#endif // defined(BOOST_ASIO_HAS_BOOST_REGEX)
template <typename SyncReadStream,
- typename DynamicBuffer, typename MatchCondition>
+ typename DynamicBuffer_v1, typename MatchCondition>
inline std::size_t read_until(SyncReadStream& s,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
MatchCondition match_condition,
- typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+ typename enable_if<
+ is_match_condition<MatchCondition>::value
+ && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
boost::system::error_code ec;
std::size_t bytes_transferred = read_until(s,
- BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers),
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
match_condition, ec);
boost::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,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
MatchCondition match_condition, boost::system::error_code& ec,
- typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+ typename enable_if<
+ is_match_condition<MatchCondition>::value
+ && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
- typename decay<DynamicBuffer>::type b(
- BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers));
+ typename decay<DynamicBuffer_v1>::type b(
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));
std::size_t search_position = 0;
for (;;)
{
// Determine the range of the data to be searched.
- typedef typename DynamicBuffer::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);
@@ -424,16 +459,332 @@ inline std::size_t read_until(SyncReadStream& s,
#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)
+#endif // !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read_until(SyncReadStream& s,
+ DynamicBuffer_v2 buffers, char delim,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ boost::system::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim, ec);
+ boost::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, boost::system::error_code& ec,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ iterator iter = std::find(start_pos, end, delim);
+ if (iter != end)
+ {
+ // Found a match. We're done.
+ ec = boost::system::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, BOOST_ASIO_STRING_VIEW_PARAM delim,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ boost::system::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim, ec);
+ boost::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,
+ BOOST_ASIO_STRING_VIEW_PARAM delim, boost::system::error_code& ec,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = detail::partial_search(
+ start_pos, end, delim.begin(), delim.end());
+ if (result.first != end)
+ {
+ if (result.second)
+ {
+ // Full match. We're done.
+ ec = boost::system::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(BOOST_ASIO_NO_EXTENSIONS)
+#if defined(BOOST_ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+inline std::size_t read_until(SyncReadStream& s,
+ DynamicBuffer_v2 buffers, const boost::regex& expr,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ boost::system::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), expr, ec);
+ boost::asio::detail::throw_error(ec, "read_until");
+ return bytes_transferred;
+}
+
+template <typename SyncReadStream, typename DynamicBuffer_v2>
+std::size_t read_until(SyncReadStream& s, DynamicBuffer_v2 buffers,
+ const boost::regex& expr, boost::system::error_code& ec,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ boost::match_results<iterator,
+ typename std::vector<boost::sub_match<iterator> >::allocator_type>
+ match_results;
+ if (regex_search(start_pos, end, match_results, expr,
+ boost::match_default | boost::match_partial))
+ {
+ if (match_results[0].matched)
+ {
+ // Full match. We're done.
+ ec = boost::system::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(BOOST_ASIO_HAS_BOOST_REGEX)
+
+template <typename SyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition>
+inline std::size_t read_until(SyncReadStream& s,
+ DynamicBuffer_v2 buffers, MatchCondition match_condition,
+ typename enable_if<
+ is_match_condition<MatchCondition>::value
+ && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ boost::system::error_code ec;
+ std::size_t bytes_transferred = read_until(s,
+ BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ match_condition, ec);
+ boost::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, boost::system::error_code& ec,
+ typename enable_if<
+ is_match_condition<MatchCondition>::value
+ && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ DynamicBuffer_v2& b = buffers;
+
+ std::size_t search_position = 0;
+ for (;;)
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(b).data(0, b.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ std::pair<iterator, bool> result = match_condition(start_pos, end);
+ if (result.second)
+ {
+ // Full match. We're done.
+ ec = boost::system::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(BOOST_ASIO_NO_EXTENSIONS)
+
+#if !defined(BOOST_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:
template <typename BufferSequence>
- read_until_delim_op(AsyncReadStream& stream,
+ read_until_delim_op_v1(AsyncReadStream& stream,
BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
char delim, ReadHandler& handler)
: stream_(stream),
@@ -446,7 +797,7 @@ namespace detail
}
#if defined(BOOST_ASIO_HAS_MOVE)
- read_until_delim_op(const read_until_delim_op& other)
+ read_until_delim_op_v1(const read_until_delim_op_v1& other)
: stream_(other.stream_),
buffers_(other.buffers_),
delim_(other.delim_),
@@ -456,9 +807,9 @@ namespace detail
{
}
- read_until_delim_op(read_until_delim_op&& other)
+ read_until_delim_op_v1(read_until_delim_op_v1&& other)
: stream_(other.stream_),
- buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+ buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
delim_(other.delim_),
start_(other.start_),
search_position_(other.search_position_),
@@ -479,7 +830,7 @@ 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();
@@ -520,9 +871,9 @@ namespace detail
if (!start && bytes_to_read == 0)
break;
- // Start a new asynchronous read operation to obtain more data.
+ // Start a new asynchronous read op_v1eration to obtain more data.
stream_.async_read_some(buffers_.prepare(bytes_to_read),
- BOOST_ASIO_MOVE_CAST(read_until_delim_op)(*this));
+ BOOST_ASIO_MOVE_CAST(read_until_delim_op_v1)(*this));
return; default:
buffers_.commit(bytes_transferred);
if (ec || bytes_transferred == 0)
@@ -543,7 +894,7 @@ namespace detail
//private:
AsyncReadStream& stream_;
- DynamicBuffer buffers_;
+ DynamicBuffer_v1 buffers_;
char delim_;
int start_;
std::size_t search_position_;
@@ -551,30 +902,30 @@ namespace detail
};
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline void* asio_handler_allocate(std::size_t size,
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
{
return boost_asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
}
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
{
boost_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
: boost_asio_handler_cont_helpers::is_continuation(
@@ -582,58 +933,79 @@ namespace detail
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline void asio_handler_invoke(Function& function,
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline void asio_handler_invoke(const Function& function,
- read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
+
+ struct initiate_async_read_until_delim_v1
+ {
+ template <typename ReadHandler, typename AsyncReadStream,
+ typename DynamicBuffer_v1>
+ void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ AsyncReadStream* s, BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ char delim) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_delim_op_v1<AsyncReadStream,
+ typename decay<DynamicBuffer_v1>::type,
+ typename decay<ReadHandler>::type>(
+ *s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ delim, handler2.value)(boost::system::error_code(), 0, 1);
+ }
+ };
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename ReadHandler, typename Allocator>
struct associated_allocator<
- detail::read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>,
+ detail::read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>,
Allocator>
{
typedef typename associated_allocator<ReadHandler, Allocator>::type type;
static type get(
- const detail::read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>& h,
+ const detail::read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>& h,
const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
{
return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
}
};
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename ReadHandler, typename Executor>
struct associated_executor<
- detail::read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>,
+ detail::read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>,
Executor>
{
typedef typename associated_executor<ReadHandler, Executor>::type type;
static type get(
- const detail::read_until_delim_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>& h,
+ const detail::read_until_delim_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>& h,
const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
{
return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -643,39 +1015,32 @@ struct associated_executor<
#endif // !defined(GENERATING_DOCUMENTATION)
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
void (boost::system::error_code, std::size_t))
async_read_until(AsyncReadStream& s,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
- char delim, BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ char delim, BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
- async_completion<ReadHandler,
- void (boost::system::error_code, std::size_t)> init(handler);
-
- detail::read_until_delim_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- BOOST_ASIO_HANDLER_TYPE(ReadHandler,
- void (boost::system::error_code, std::size_t))>(
- s, BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- delim, init.completion_handler)(boost::system::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadHandler,
+ void (boost::system::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_v1(), handler,
+ &s, BOOST_ASIO_MOVE_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:
template <typename BufferSequence>
- read_until_delim_string_op(AsyncReadStream& stream,
+ read_until_delim_string_op_v1(AsyncReadStream& stream,
BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
const std::string& delim, ReadHandler& handler)
: stream_(stream),
@@ -688,7 +1053,7 @@ namespace detail
}
#if defined(BOOST_ASIO_HAS_MOVE)
- read_until_delim_string_op(const read_until_delim_string_op& other)
+ read_until_delim_string_op_v1(const read_until_delim_string_op_v1& other)
: stream_(other.stream_),
buffers_(other.buffers_),
delim_(other.delim_),
@@ -698,9 +1063,9 @@ namespace detail
{
}
- read_until_delim_string_op(read_until_delim_string_op&& other)
+ read_until_delim_string_op_v1(read_until_delim_string_op_v1&& other)
: stream_(other.stream_),
- buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+ buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
delim_(BOOST_ASIO_MOVE_CAST(std::string)(other.delim_)),
start_(other.start_),
search_position_(other.search_position_),
@@ -721,7 +1086,7 @@ 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();
@@ -773,9 +1138,9 @@ namespace detail
if (!start && bytes_to_read == 0)
break;
- // Start a new asynchronous read operation to obtain more data.
+ // Start a new asynchronous read op_v1eration to obtain more data.
stream_.async_read_some(buffers_.prepare(bytes_to_read),
- BOOST_ASIO_MOVE_CAST(read_until_delim_string_op)(*this));
+ BOOST_ASIO_MOVE_CAST(read_until_delim_string_op_v1)(*this));
return; default:
buffers_.commit(bytes_transferred);
if (ec || bytes_transferred == 0)
@@ -796,7 +1161,7 @@ namespace detail
//private:
AsyncReadStream& stream_;
- DynamicBuffer buffers_;
+ DynamicBuffer_v1 buffers_;
std::string delim_;
int start_;
std::size_t search_position_;
@@ -804,30 +1169,30 @@ namespace detail
};
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline void* asio_handler_allocate(std::size_t size,
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
{
return boost_asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
}
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
{
boost_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
: boost_asio_handler_cont_helpers::is_continuation(
@@ -835,58 +1200,79 @@ namespace detail
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline void asio_handler_invoke(Function& function,
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
inline void asio_handler_invoke(const Function& function,
- read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>* this_handler)
+ read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
+
+ struct initiate_async_read_until_delim_string_v1
+ {
+ template <typename ReadHandler, typename AsyncReadStream,
+ typename DynamicBuffer_v1>
+ void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ AsyncReadStream* s, BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ const std::string& delim) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_delim_string_op_v1<AsyncReadStream,
+ typename decay<DynamicBuffer_v1>::type,
+ typename decay<ReadHandler>::type>(
+ *s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ delim, handler2.value)(boost::system::error_code(), 0, 1);
+ }
+ };
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename ReadHandler, typename Allocator>
struct associated_allocator<
- detail::read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>,
+ detail::read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>,
Allocator>
{
typedef typename associated_allocator<ReadHandler, Allocator>::type type;
static type get(
- const detail::read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>& h,
+ const detail::read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>& h,
const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
{
return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
}
};
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename ReadHandler, typename Executor>
struct associated_executor<
- detail::read_until_delim_string_op<AsyncReadStream,
- DynamicBuffer, ReadHandler>,
+ detail::read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, 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 detail::read_until_delim_string_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, ReadHandler>& h,
const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
{
return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -896,30 +1282,23 @@ struct associated_executor<
#endif // !defined(GENERATING_DOCUMENTATION)
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
void (boost::system::error_code, std::size_t))
async_read_until(AsyncReadStream& s,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
BOOST_ASIO_STRING_VIEW_PARAM delim,
- BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
+ BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
- async_completion<ReadHandler,
- void (boost::system::error_code, std::size_t)> init(handler);
-
- detail::read_until_delim_string_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- BOOST_ASIO_HANDLER_TYPE(ReadHandler,
- void (boost::system::error_code, std::size_t))>(
- s, BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- static_cast<std::string>(delim),
- init.completion_handler)(boost::system::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadHandler,
+ void (boost::system::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_string_v1(),
+ handler, &s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ static_cast<std::string>(delim));
}
#if !defined(BOOST_ASIO_NO_EXTENSIONS)
@@ -927,13 +1306,13 @@ 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:
template <typename BufferSequence>
- read_until_expr_op(AsyncReadStream& stream,
+ read_until_expr_op_v1(AsyncReadStream& stream,
BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
const boost::regex& expr, ReadHandler& handler)
: stream_(stream),
@@ -946,7 +1325,7 @@ namespace detail
}
#if defined(BOOST_ASIO_HAS_MOVE)
- read_until_expr_op(const read_until_expr_op& other)
+ read_until_expr_op_v1(const read_until_expr_op_v1& other)
: stream_(other.stream_),
buffers_(other.buffers_),
expr_(other.expr_),
@@ -956,9 +1335,9 @@ namespace detail
{
}
- read_until_expr_op(read_until_expr_op&& other)
+ read_until_expr_op_v1(read_until_expr_op_v1&& other)
: stream_(other.stream_),
- buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+ buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
expr_(other.expr_),
start_(other.start_),
search_position_(other.search_position_),
@@ -979,7 +1358,7 @@ 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();
@@ -1034,9 +1413,9 @@ namespace detail
if (!start && bytes_to_read == 0)
break;
- // Start a new asynchronous read operation to obtain more data.
+ // Start a new asynchronous read op_v1eration to obtain more data.
stream_.async_read_some(buffers_.prepare(bytes_to_read),
- BOOST_ASIO_MOVE_CAST(read_until_expr_op)(*this));
+ BOOST_ASIO_MOVE_CAST(read_until_expr_op_v1)(*this));
return; default:
buffers_.commit(bytes_transferred);
if (ec || bytes_transferred == 0)
@@ -1057,38 +1436,38 @@ namespace detail
//private:
AsyncReadStream& stream_;
- DynamicBuffer buffers_;
+ DynamicBuffer_v1 buffers_;
RegEx expr_;
int start_;
std::size_t search_position_;
ReadHandler handler_;
};
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename RegEx, typename ReadHandler>
inline void* asio_handler_allocate(std::size_t size,
- read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>* this_handler)
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
{
return boost_asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
}
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
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)
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
{
boost_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
: boost_asio_handler_cont_helpers::is_continuation(
@@ -1096,58 +1475,79 @@ namespace detail
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename RegEx, typename ReadHandler>
+ typename DynamicBuffer_v1, typename RegEx, typename ReadHandler>
inline void asio_handler_invoke(Function& function,
- read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>* this_handler)
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename RegEx, typename ReadHandler>
+ typename DynamicBuffer_v1, typename RegEx, typename ReadHandler>
inline void asio_handler_invoke(const Function& function,
- read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>* this_handler)
+ read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
+
+ struct initiate_async_read_until_expr_v1
+ {
+ template <typename ReadHandler, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename RegEx>
+ void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ AsyncReadStream* s, BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ const RegEx& expr) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_expr_op_v1<AsyncReadStream,
+ typename decay<DynamicBuffer_v1>::type,
+ RegEx, typename decay<ReadHandler>::type>(
+ *s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ expr, handler2.value)(boost::system::error_code(), 0, 1);
+ }
+ };
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename RegEx, typename ReadHandler, typename Allocator>
struct associated_allocator<
- detail::read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>,
+ detail::read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>,
Allocator>
{
typedef typename associated_allocator<ReadHandler, Allocator>::type type;
static type get(
- const detail::read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>& h,
+ const detail::read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>& h,
const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
{
return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
}
};
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename RegEx, typename ReadHandler, typename Executor>
struct associated_executor<
- detail::read_until_expr_op<AsyncReadStream,
- DynamicBuffer, RegEx, ReadHandler>,
+ detail::read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, 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 detail::read_until_expr_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, RegEx, ReadHandler>& h,
const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
{
return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -1157,42 +1557,35 @@ struct associated_executor<
#endif // !defined(GENERATING_DOCUMENTATION)
template <typename AsyncReadStream,
- typename DynamicBuffer, typename ReadHandler>
+ typename DynamicBuffer_v1, typename ReadHandler>
BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
void (boost::system::error_code, std::size_t))
async_read_until(AsyncReadStream& s,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
const boost::regex& expr,
- BOOST_ASIO_MOVE_ARG(ReadHandler) handler)
+ BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ typename enable_if<
+ is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
- async_completion<ReadHandler,
- void (boost::system::error_code, std::size_t)> init(handler);
-
- detail::read_until_expr_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- boost::regex, BOOST_ASIO_HANDLER_TYPE(ReadHandler,
- void (boost::system::error_code, std::size_t))>(
- s, BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- expr, init.completion_handler)(boost::system::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadHandler,
+ void (boost::system::error_code, std::size_t)>(
+ detail::initiate_async_read_until_expr_v1(), handler,
+ &s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), expr);
}
#endif // defined(BOOST_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:
template <typename BufferSequence>
- read_until_match_op(AsyncReadStream& stream,
+ read_until_match_op_v1(AsyncReadStream& stream,
BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
MatchCondition match_condition, ReadHandler& handler)
: stream_(stream),
@@ -1205,7 +1598,7 @@ namespace detail
}
#if defined(BOOST_ASIO_HAS_MOVE)
- read_until_match_op(const read_until_match_op& other)
+ read_until_match_op_v1(const read_until_match_op_v1& other)
: stream_(other.stream_),
buffers_(other.buffers_),
match_condition_(other.match_condition_),
@@ -1215,9 +1608,9 @@ namespace detail
{
}
- read_until_match_op(read_until_match_op&& other)
+ read_until_match_op_v1(read_until_match_op_v1&& other)
: stream_(other.stream_),
- buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer)(other.buffers_)),
+ buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
match_condition_(other.match_condition_),
start_(other.start_),
search_position_(other.search_position_),
@@ -1238,7 +1631,7 @@ 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();
@@ -1289,9 +1682,9 @@ namespace detail
if (!start && bytes_to_read == 0)
break;
- // Start a new asynchronous read operation to obtain more data.
+ // Start a new asynchronous read op_v1eration to obtain more data.
stream_.async_read_some(buffers_.prepare(bytes_to_read),
- BOOST_ASIO_MOVE_CAST(read_until_match_op)(*this));
+ BOOST_ASIO_MOVE_CAST(read_until_match_op_v1)(*this));
return; default:
buffers_.commit(bytes_transferred);
if (ec || bytes_transferred == 0)
@@ -1312,37 +1705,37 @@ namespace detail
//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,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
MatchCondition, ReadHandler>* this_handler)
{
return boost_asio_handler_alloc_helpers::allocate(
size, this_handler->handler_);
}
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename MatchCondition, typename ReadHandler>
inline void asio_handler_deallocate(void* pointer, std::size_t size,
- read_until_match_op<AsyncReadStream, DynamicBuffer,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
MatchCondition, ReadHandler>* this_handler)
{
boost_asio_handler_alloc_helpers::deallocate(
pointer, size, this_handler->handler_);
}
- template <typename AsyncReadStream, typename DynamicBuffer,
+ template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename MatchCondition, typename ReadHandler>
inline bool asio_handler_is_continuation(
- read_until_match_op<AsyncReadStream, DynamicBuffer,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
MatchCondition, ReadHandler>* this_handler)
{
return this_handler->start_ == 0 ? true
@@ -1351,10 +1744,10 @@ namespace detail
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename MatchCondition,
+ typename DynamicBuffer_v1, typename MatchCondition,
typename ReadHandler>
inline void asio_handler_invoke(Function& function,
- read_until_match_op<AsyncReadStream, DynamicBuffer,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
MatchCondition, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
@@ -1362,49 +1755,70 @@ namespace detail
}
template <typename Function, typename AsyncReadStream,
- typename DynamicBuffer, typename MatchCondition,
+ typename DynamicBuffer_v1, typename MatchCondition,
typename ReadHandler>
inline void asio_handler_invoke(const Function& function,
- read_until_match_op<AsyncReadStream, DynamicBuffer,
+ read_until_match_op_v1<AsyncReadStream, DynamicBuffer_v1,
MatchCondition, ReadHandler>* this_handler)
{
boost_asio_handler_invoke_helpers::invoke(
function, this_handler->handler_);
}
+
+ struct initiate_async_read_until_match_v1
+ {
+ template <typename ReadHandler, typename AsyncReadStream,
+ typename DynamicBuffer_v1, typename MatchCondition>
+ void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ AsyncReadStream* s, BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
+ MatchCondition match_condition) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_match_op_v1<AsyncReadStream,
+ typename decay<DynamicBuffer_v1>::type,
+ MatchCondition, typename decay<ReadHandler>::type>(
+ *s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
+ match_condition, handler2.value)(boost::system::error_code(), 0, 1);
+ }
+ };
} // namespace detail
#if !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename MatchCondition, typename ReadHandler, typename Allocator>
struct associated_allocator<
- detail::read_until_match_op<AsyncReadStream,
- DynamicBuffer, MatchCondition, ReadHandler>,
+ detail::read_until_match_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, MatchCondition, ReadHandler>,
Allocator>
{
typedef typename associated_allocator<ReadHandler, Allocator>::type type;
static type get(
- const detail::read_until_match_op<AsyncReadStream,
- DynamicBuffer, MatchCondition, ReadHandler>& h,
+ const detail::read_until_match_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, MatchCondition, ReadHandler>& h,
const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
{
return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
}
};
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename MatchCondition, typename ReadHandler, typename Executor>
struct associated_executor<
- detail::read_until_match_op<AsyncReadStream,
- DynamicBuffer, MatchCondition, ReadHandler>,
+ detail::read_until_match_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, MatchCondition, ReadHandler>,
Executor>
{
typedef typename associated_executor<ReadHandler, Executor>::type type;
static type get(
- const detail::read_until_match_op<AsyncReadStream,
- DynamicBuffer, MatchCondition, ReadHandler>& h,
+ const detail::read_until_match_op_v1<AsyncReadStream,
+ DynamicBuffer_v1, MatchCondition, ReadHandler>& h,
const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
{
return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
@@ -1413,31 +1827,23 @@ struct associated_executor<
#endif // !defined(GENERATING_DOCUMENTATION)
-template <typename AsyncReadStream, typename DynamicBuffer,
+template <typename AsyncReadStream, typename DynamicBuffer_v1,
typename MatchCondition, typename ReadHandler>
BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
void (boost::system::error_code, std::size_t))
async_read_until(AsyncReadStream& s,
- BOOST_ASIO_MOVE_ARG(DynamicBuffer) buffers,
+ BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
MatchCondition match_condition, BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
- typename enable_if<is_match_condition<MatchCondition>::value>::type*)
+ typename enable_if<
+ is_match_condition<MatchCondition>::value
+ && is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
+ && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
+ >::type*)
{
- // If you get an error on the following line it means that your handler does
- // not meet the documented type requirements for a ReadHandler.
- BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
- async_completion<ReadHandler,
- void (boost::system::error_code, std::size_t)> init(handler);
-
- detail::read_until_match_op<AsyncReadStream,
- typename decay<DynamicBuffer>::type,
- MatchCondition, BOOST_ASIO_HANDLER_TYPE(ReadHandler,
- void (boost::system::error_code, std::size_t))>(
- s, BOOST_ASIO_MOVE_CAST(DynamicBuffer)(buffers),
- match_condition, init.completion_handler)(
- boost::system::error_code(), 0, 1);
-
- return init.result.get();
+ return async_initiate<ReadHandler,
+ void (boost::system::error_code, std::size_t)>(
+ detail::initiate_async_read_until_match_v1(), handler,
+ &s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers), match_condition);
}
#if !defined(BOOST_ASIO_NO_IOSTREAM)
@@ -1495,6 +1901,1102 @@ async_read_until(AsyncReadStream& s,
#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)
+#endif // !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)
+
+namespace detail
+{
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ class read_until_delim_op_v2
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_delim_op_v2(AsyncReadStream& stream,
+ BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
+ char delim, ReadHandler& handler)
+ : stream_(stream),
+ buffers_(BOOST_ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ delim_(delim),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+ read_until_delim_op_v2(const read_until_delim_op_v2& 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)
+ : stream_(other.stream_),
+ buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ delim_(other.delim_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+ void operator()(const boost::system::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 op_v2eration to obtain more data.
+ pos = buffers_.size();
+ buffers_.grow(bytes_to_read_);
+ stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+ BOOST_ASIO_MOVE_CAST(read_until_delim_op_v2)(*this));
+ return; default:
+ buffers_.shrink(bytes_to_read_ - bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ }
+
+ const boost::system::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_;
+
+ 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 void* asio_handler_allocate(std::size_t size,
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ return boost_asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->handler_);
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline bool asio_handler_is_continuation(
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ return this_handler->start_ == 0 ? true
+ : boost_asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline void asio_handler_invoke(Function& function,
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline void asio_handler_invoke(const Function& function,
+ read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ struct initiate_async_read_until_delim_v2
+ {
+ template <typename ReadHandler, typename AsyncReadStream,
+ typename DynamicBuffer_v2>
+ void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ AsyncReadStream* s, BOOST_ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+ char delim) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_delim_op_v2<AsyncReadStream,
+ typename decay<DynamicBuffer_v2>::type,
+ typename decay<ReadHandler>::type>(
+ *s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ delim, handler2.value)(boost::system::error_code(), 0, 1);
+ }
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename ReadHandler, typename Allocator>
+struct associated_allocator<
+ detail::read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>,
+ Allocator>
+{
+ typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+ static type get(
+ const detail::read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>& h,
+ const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
+ {
+ return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+ }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename ReadHandler, typename Executor>
+struct associated_executor<
+ detail::read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>,
+ Executor>
+{
+ typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+ static type get(
+ const detail::read_until_delim_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>& h,
+ const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
+ {
+ return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
+ void (boost::system::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ char delim, BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ return async_initiate<ReadHandler,
+ void (boost::system::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_v2(), handler,
+ &s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), delim);
+}
+
+namespace detail
+{
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ class read_until_delim_string_op_v2
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_delim_string_op_v2(AsyncReadStream& stream,
+ BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
+ const std::string& delim, ReadHandler& handler)
+ : stream_(stream),
+ buffers_(BOOST_ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ delim_(delim),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+ read_until_delim_string_op_v2(const read_until_delim_string_op_v2& 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)
+ : stream_(other.stream_),
+ buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ delim_(BOOST_ASIO_MOVE_CAST(std::string)(other.delim_)),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+ void operator()(const boost::system::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 op_v2eration to obtain more data.
+ pos = buffers_.size();
+ buffers_.grow(bytes_to_read_);
+ stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+ BOOST_ASIO_MOVE_CAST(read_until_delim_string_op_v2)(*this));
+ return; default:
+ buffers_.shrink(bytes_to_read_ - bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ }
+
+ const boost::system::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_;
+
+ 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 void* asio_handler_allocate(std::size_t size,
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ return boost_asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+ }
+
+ template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->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
+ : boost_asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline void asio_handler_invoke(Function& function,
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+ inline void asio_handler_invoke(const Function& function,
+ read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ struct initiate_async_read_until_delim_string_v2
+ {
+ template <typename ReadHandler, typename AsyncReadStream,
+ typename DynamicBuffer_v2>
+ void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ AsyncReadStream* s, BOOST_ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+ const std::string& delim) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_delim_string_op_v2<AsyncReadStream,
+ typename decay<DynamicBuffer_v2>::type,
+ typename decay<ReadHandler>::type>(
+ *s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ delim, handler2.value)(boost::system::error_code(), 0, 1);
+ }
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename ReadHandler, typename Allocator>
+struct associated_allocator<
+ detail::read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>,
+ Allocator>
+{
+ typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+ static type get(
+ const detail::read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>& h,
+ const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
+ {
+ return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+ }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename ReadHandler, typename Executor>
+struct associated_executor<
+ detail::read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>,
+ Executor>
+{
+ typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+ static type get(
+ const detail::read_until_delim_string_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, ReadHandler>& h,
+ const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
+ {
+ return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
+ void (boost::system::error_code, std::size_t))
+async_read_until(AsyncReadStream& s,
+ DynamicBuffer_v2 buffers, BOOST_ASIO_STRING_VIEW_PARAM delim,
+ BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ return async_initiate<ReadHandler,
+ void (boost::system::error_code, std::size_t)>(
+ detail::initiate_async_read_until_delim_string_v2(),
+ handler, &s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ static_cast<std::string>(delim));
+}
+
+#if !defined(BOOST_ASIO_NO_EXTENSIONS)
+#if defined(BOOST_ASIO_HAS_BOOST_REGEX)
+
+namespace detail
+{
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler>
+ class read_until_expr_op_v2
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_expr_op_v2(AsyncReadStream& stream,
+ BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
+ const boost::regex& expr, ReadHandler& handler)
+ : stream_(stream),
+ buffers_(BOOST_ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ expr_(expr),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+ read_until_expr_op_v2(const read_until_expr_op_v2& 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)
+ : stream_(other.stream_),
+ buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ expr_(other.expr_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+ void operator()(const boost::system::error_code& ec,
+ std::size_t bytes_transferred, int start = 0)
+ {
+ const std::size_t not_found = (std::numeric_limits<std::size_t>::max)();
+ std::size_t pos;
+ switch (start_ = start)
+ {
+ case 1:
+ for (;;)
+ {
+ {
+ // Determine the range of the data to be searched.
+ typedef typename DynamicBuffer_v2::const_buffers_type
+ buffers_type;
+ typedef buffers_iterator<buffers_type> iterator;
+ buffers_type data_buffers =
+ const_cast<const DynamicBuffer_v2&>(buffers_).data(
+ 0, buffers_.size());
+ iterator begin = iterator::begin(data_buffers);
+ iterator start_pos = begin + search_position_;
+ iterator end = iterator::end(data_buffers);
+
+ // Look for a match.
+ boost::match_results<iterator,
+ typename std::vector<boost::sub_match<iterator> >::allocator_type>
+ match_results;
+ bool match = regex_search(start_pos, end, match_results, expr_,
+ boost::match_default | boost::match_partial);
+ if (match && match_results[0].matched)
+ {
+ // Full match. We're done.
+ search_position_ = match_results[0].second - begin;
+ bytes_to_read_ = 0;
+ }
+
+ // No match yet. Check if buffer is full.
+ else if (buffers_.size() == buffers_.max_size())
+ {
+ search_position_ = not_found;
+ bytes_to_read_ = 0;
+ }
+
+ // Need to read some more data.
+ else
+ {
+ if (match)
+ {
+ // Partial match. Next search needs to start from beginning of
+ // match.
+ search_position_ = match_results[0].first - begin;
+ }
+ else
+ {
+ // Next search can start with the new data.
+ search_position_ = end - begin;
+ }
+
+ bytes_to_read_ = std::min<std::size_t>(
+ std::max<std::size_t>(512,
+ buffers_.capacity() - buffers_.size()),
+ std::min<std::size_t>(65536,
+ buffers_.max_size() - buffers_.size()));
+ }
+ }
+
+ // Check if we're done.
+ if (!start && bytes_to_read_ == 0)
+ break;
+
+ // Start a new asynchronous read op_v2eration to obtain more data.
+ pos = buffers_.size();
+ buffers_.grow(bytes_to_read_);
+ stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+ BOOST_ASIO_MOVE_CAST(read_until_expr_op_v2)(*this));
+ return; default:
+ buffers_.shrink(bytes_to_read_ - bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ }
+
+ const boost::system::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_;
+
+ 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 void* asio_handler_allocate(std::size_t size,
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+ return boost_asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler>
+ inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->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
+ : boost_asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename RegEx, typename ReadHandler>
+ inline void asio_handler_invoke(Function& function,
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename RegEx, typename ReadHandler>
+ inline void asio_handler_invoke(const Function& function,
+ read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ struct initiate_async_read_until_expr_v2
+ {
+ template <typename ReadHandler, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename RegEx>
+ void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ AsyncReadStream* s, BOOST_ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+ const RegEx& expr) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_expr_op_v2<AsyncReadStream,
+ typename decay<DynamicBuffer_v2>::type,
+ RegEx, typename decay<ReadHandler>::type>(
+ *s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ expr, handler2.value)(boost::system::error_code(), 0, 1);
+ }
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler, typename Allocator>
+struct associated_allocator<
+ detail::read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>,
+ Allocator>
+{
+ typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+ static type get(
+ const detail::read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>& h,
+ const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
+ {
+ return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+ }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename RegEx, typename ReadHandler, typename Executor>
+struct associated_executor<
+ detail::read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>,
+ Executor>
+{
+ typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+ static type get(
+ const detail::read_until_expr_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, RegEx, ReadHandler>& h,
+ const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
+ {
+ return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename ReadHandler>
+BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
+ void (boost::system::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ const boost::regex& expr, BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ typename enable_if<
+ is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ return async_initiate<ReadHandler,
+ void (boost::system::error_code, std::size_t)>(
+ detail::initiate_async_read_until_expr_v2(), handler,
+ &s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), expr);
+}
+
+#endif // defined(BOOST_ASIO_HAS_BOOST_REGEX)
+
+namespace detail
+{
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler>
+ class read_until_match_op_v2
+ {
+ public:
+ template <typename BufferSequence>
+ read_until_match_op_v2(AsyncReadStream& stream,
+ BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
+ MatchCondition match_condition, ReadHandler& handler)
+ : stream_(stream),
+ buffers_(BOOST_ASIO_MOVE_CAST(BufferSequence)(buffers)),
+ match_condition_(match_condition),
+ start_(0),
+ search_position_(0),
+ bytes_to_read_(0),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(handler))
+ {
+ }
+
+#if defined(BOOST_ASIO_HAS_MOVE)
+ read_until_match_op_v2(const read_until_match_op_v2& 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)
+ : stream_(other.stream_),
+ buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
+ match_condition_(other.match_condition_),
+ start_(other.start_),
+ search_position_(other.search_position_),
+ bytes_to_read_(other.bytes_to_read_),
+ handler_(BOOST_ASIO_MOVE_CAST(ReadHandler)(other.handler_))
+ {
+ }
+#endif // defined(BOOST_ASIO_HAS_MOVE)
+
+ void operator()(const boost::system::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 op_v2eration to obtain more data.
+ pos = buffers_.size();
+ buffers_.grow(bytes_to_read_);
+ stream_.async_read_some(buffers_.data(pos, bytes_to_read_),
+ BOOST_ASIO_MOVE_CAST(read_until_match_op_v2)(*this));
+ return; default:
+ buffers_.shrink(bytes_to_read_ - bytes_transferred);
+ if (ec || bytes_transferred == 0)
+ break;
+ }
+
+ const boost::system::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_;
+
+ 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 void* asio_handler_allocate(std::size_t size,
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ return boost_asio_handler_alloc_helpers::allocate(
+ size, this_handler->handler_);
+ }
+
+ template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler>
+ inline void asio_handler_deallocate(void* pointer, std::size_t size,
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_alloc_helpers::deallocate(
+ pointer, size, this_handler->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
+ : boost_asio_handler_cont_helpers::is_continuation(
+ this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition,
+ typename ReadHandler>
+ inline void asio_handler_invoke(Function& function,
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ template <typename Function, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition,
+ typename ReadHandler>
+ inline void asio_handler_invoke(const Function& function,
+ read_until_match_op_v2<AsyncReadStream, DynamicBuffer_v2,
+ MatchCondition, ReadHandler>* this_handler)
+ {
+ boost_asio_handler_invoke_helpers::invoke(
+ function, this_handler->handler_);
+ }
+
+ struct initiate_async_read_until_match_v2
+ {
+ template <typename ReadHandler, typename AsyncReadStream,
+ typename DynamicBuffer_v2, typename MatchCondition>
+ void operator()(BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ AsyncReadStream* s, BOOST_ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
+ MatchCondition match_condition) const
+ {
+ // If you get an error on the following line it means that your handler
+ // does not meet the documented type requirements for a ReadHandler.
+ BOOST_ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+ non_const_lvalue<ReadHandler> handler2(handler);
+ read_until_match_op_v2<AsyncReadStream,
+ typename decay<DynamicBuffer_v2>::type,
+ MatchCondition, typename decay<ReadHandler>::type>(
+ *s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
+ match_condition, handler2.value)(boost::system::error_code(), 0, 1);
+ }
+ };
+} // namespace detail
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler, typename Allocator>
+struct associated_allocator<
+ detail::read_until_match_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, MatchCondition, ReadHandler>,
+ Allocator>
+{
+ typedef typename associated_allocator<ReadHandler, Allocator>::type type;
+
+ static type get(
+ const detail::read_until_match_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, MatchCondition, ReadHandler>& h,
+ const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
+ {
+ return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a);
+ }
+};
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler, typename Executor>
+struct associated_executor<
+ detail::read_until_match_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, MatchCondition, ReadHandler>,
+ Executor>
+{
+ typedef typename associated_executor<ReadHandler, Executor>::type type;
+
+ static type get(
+ const detail::read_until_match_op_v2<AsyncReadStream,
+ DynamicBuffer_v2, MatchCondition, ReadHandler>& h,
+ const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
+ {
+ return associated_executor<ReadHandler, Executor>::get(h.handler_, ex);
+ }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+template <typename AsyncReadStream, typename DynamicBuffer_v2,
+ typename MatchCondition, typename ReadHandler>
+BOOST_ASIO_INITFN_RESULT_TYPE(ReadHandler,
+ void (boost::system::error_code, std::size_t))
+async_read_until(AsyncReadStream& s, DynamicBuffer_v2 buffers,
+ MatchCondition match_condition, BOOST_ASIO_MOVE_ARG(ReadHandler) handler,
+ typename enable_if<
+ is_match_condition<MatchCondition>::value
+ && is_dynamic_buffer_v2<DynamicBuffer_v2>::value
+ >::type*)
+{
+ return async_initiate<ReadHandler,
+ void (boost::system::error_code, std::size_t)>(
+ detail::initiate_async_read_until_match_v2(), handler,
+ &s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers), match_condition);
+}
+
+#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)
} // namespace asio
} // namespace boost