| // |
| // impl/read_until.hpp |
| // ~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| // |
| |
| #ifndef ASIO_IMPL_READ_UNTIL_HPP |
| #define ASIO_IMPL_READ_UNTIL_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include <algorithm> |
| #include <string> |
| #include <vector> |
| #include <utility> |
| #include "asio/associated_allocator.hpp" |
| #include "asio/associated_executor.hpp" |
| #include "asio/buffer.hpp" |
| #include "asio/buffers_iterator.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_type_requirements.hpp" |
| #include "asio/detail/limits.hpp" |
| #include "asio/detail/throw_error.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| namespace asio { |
| |
| template <typename SyncReadStream, typename DynamicBufferSequence> |
| inline std::size_t read_until(SyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, char delim) |
| { |
| asio::error_code ec; |
| std::size_t bytes_transferred = read_until(s, |
| ASIO_MOVE_CAST(DynamicBufferSequence)(buffers), delim, ec); |
| asio::detail::throw_error(ec, "read_until"); |
| return bytes_transferred; |
| } |
| |
| template <typename SyncReadStream, typename DynamicBufferSequence> |
| std::size_t read_until(SyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| char delim, asio::error_code& ec) |
| { |
| typename decay<DynamicBufferSequence>::type b( |
| ASIO_MOVE_CAST(DynamicBufferSequence)(buffers)); |
| |
| std::size_t search_position = 0; |
| for (;;) |
| { |
| // Determine the range of the data to be searched. |
| typedef typename DynamicBufferSequence::const_buffers_type buffers_type; |
| typedef buffers_iterator<buffers_type> iterator; |
| buffers_type data_buffers = b.data(); |
| iterator begin = iterator::begin(data_buffers); |
| iterator start_pos = begin + search_position; |
| iterator end = iterator::end(data_buffers); |
| |
| // Look for a match. |
| iterator iter = std::find(start_pos, end, delim); |
| if (iter != end) |
| { |
| // Found a match. We're done. |
| ec = asio::error_code(); |
| return iter - begin + 1; |
| } |
| else |
| { |
| // No match. Next search can start with the new data. |
| search_position = end - begin; |
| } |
| |
| // Check if buffer is full. |
| if (b.size() == b.max_size()) |
| { |
| ec = error::not_found; |
| return 0; |
| } |
| |
| // Need more data. |
| std::size_t bytes_to_read = std::min<std::size_t>( |
| std::max<std::size_t>(512, b.capacity() - b.size()), |
| std::min<std::size_t>(65536, b.max_size() - b.size())); |
| b.commit(s.read_some(b.prepare(bytes_to_read), ec)); |
| if (ec) |
| return 0; |
| } |
| } |
| |
| template <typename SyncReadStream, typename DynamicBufferSequence> |
| inline std::size_t read_until(SyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| const std::string& delim) |
| { |
| asio::error_code ec; |
| std::size_t bytes_transferred = read_until(s, |
| ASIO_MOVE_CAST(DynamicBufferSequence)(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 DynamicBufferSequence> |
| std::size_t read_until(SyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| const std::string& delim, asio::error_code& ec) |
| { |
| typename decay<DynamicBufferSequence>::type b( |
| ASIO_MOVE_CAST(DynamicBufferSequence)(buffers)); |
| |
| std::size_t search_position = 0; |
| for (;;) |
| { |
| // Determine the range of the data to be searched. |
| typedef typename DynamicBufferSequence::const_buffers_type buffers_type; |
| typedef buffers_iterator<buffers_type> iterator; |
| buffers_type data_buffers = b.data(); |
| iterator begin = iterator::begin(data_buffers); |
| iterator start_pos = begin + search_position; |
| iterator end = iterator::end(data_buffers); |
| |
| // Look for a match. |
| std::pair<iterator, bool> result = detail::partial_search( |
| start_pos, end, delim.begin(), delim.end()); |
| if (result.first != end) |
| { |
| if (result.second) |
| { |
| // Full match. We're done. |
| ec = asio::error_code(); |
| return result.first - begin + delim.length(); |
| } |
| else |
| { |
| // Partial match. Next search needs to start from beginning of match. |
| search_position = result.first - begin; |
| } |
| } |
| else |
| { |
| // No match. Next search can start with the new data. |
| search_position = end - begin; |
| } |
| |
| // Check if buffer is full. |
| if (b.size() == b.max_size()) |
| { |
| ec = error::not_found; |
| return 0; |
| } |
| |
| // Need more data. |
| std::size_t bytes_to_read = std::min<std::size_t>( |
| std::max<std::size_t>(512, b.capacity() - b.size()), |
| std::min<std::size_t>(65536, b.max_size() - b.size())); |
| b.commit(s.read_some(b.prepare(bytes_to_read), ec)); |
| if (ec) |
| return 0; |
| } |
| } |
| |
| #if defined(ASIO_HAS_BOOST_REGEX) |
| |
| template <typename SyncReadStream, typename DynamicBufferSequence> |
| inline std::size_t read_until(SyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| const boost::regex& expr) |
| { |
| asio::error_code ec; |
| std::size_t bytes_transferred = read_until(s, |
| ASIO_MOVE_CAST(DynamicBufferSequence)(buffers), expr, ec); |
| asio::detail::throw_error(ec, "read_until"); |
| return bytes_transferred; |
| } |
| |
| template <typename SyncReadStream, typename DynamicBufferSequence> |
| std::size_t read_until(SyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| const boost::regex& expr, asio::error_code& ec) |
| { |
| typename decay<DynamicBufferSequence>::type b( |
| ASIO_MOVE_CAST(DynamicBufferSequence)(buffers)); |
| |
| std::size_t search_position = 0; |
| for (;;) |
| { |
| // Determine the range of the data to be searched. |
| typedef typename DynamicBufferSequence::const_buffers_type buffers_type; |
| typedef buffers_iterator<buffers_type> iterator; |
| buffers_type data_buffers = b.data(); |
| iterator begin = iterator::begin(data_buffers); |
| iterator start_pos = begin + search_position; |
| iterator end = iterator::end(data_buffers); |
| |
| // Look for a match. |
| boost::match_results<iterator, |
| typename std::vector<boost::sub_match<iterator> >::allocator_type> |
| match_results; |
| if (regex_search(start_pos, end, match_results, expr, |
| boost::match_default | boost::match_partial)) |
| { |
| if (match_results[0].matched) |
| { |
| // Full match. We're done. |
| ec = asio::error_code(); |
| return match_results[0].second - begin; |
| } |
| else |
| { |
| // Partial match. Next search needs to start from beginning of match. |
| search_position = match_results[0].first - begin; |
| } |
| } |
| else |
| { |
| // No match. Next search can start with the new data. |
| search_position = end - begin; |
| } |
| |
| // Check if buffer is full. |
| if (b.size() == b.max_size()) |
| { |
| ec = error::not_found; |
| return 0; |
| } |
| |
| // Need more data. |
| std::size_t bytes_to_read = read_size_helper(b, 65536); |
| b.commit(s.read_some(b.prepare(bytes_to_read), ec)); |
| if (ec) |
| return 0; |
| } |
| } |
| |
| #endif // defined(ASIO_HAS_BOOST_REGEX) |
| |
| template <typename SyncReadStream, |
| typename DynamicBufferSequence, typename MatchCondition> |
| inline std::size_t read_until(SyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| MatchCondition match_condition, |
| typename enable_if<is_match_condition<MatchCondition>::value>::type*) |
| { |
| asio::error_code ec; |
| std::size_t bytes_transferred = read_until(s, |
| ASIO_MOVE_CAST(DynamicBufferSequence)(buffers), |
| match_condition, ec); |
| asio::detail::throw_error(ec, "read_until"); |
| return bytes_transferred; |
| } |
| |
| template <typename SyncReadStream, |
| typename DynamicBufferSequence, typename MatchCondition> |
| std::size_t read_until(SyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| MatchCondition match_condition, asio::error_code& ec, |
| typename enable_if<is_match_condition<MatchCondition>::value>::type*) |
| { |
| typename decay<DynamicBufferSequence>::type b( |
| ASIO_MOVE_CAST(DynamicBufferSequence)(buffers)); |
| |
| std::size_t search_position = 0; |
| for (;;) |
| { |
| // Determine the range of the data to be searched. |
| typedef typename DynamicBufferSequence::const_buffers_type buffers_type; |
| typedef buffers_iterator<buffers_type> iterator; |
| buffers_type data_buffers = b.data(); |
| iterator begin = iterator::begin(data_buffers); |
| iterator start_pos = begin + search_position; |
| iterator end = iterator::end(data_buffers); |
| |
| // Look for a match. |
| std::pair<iterator, bool> result = match_condition(start_pos, end); |
| if (result.second) |
| { |
| // Full match. We're done. |
| ec = asio::error_code(); |
| return result.first - begin; |
| } |
| else if (result.first != end) |
| { |
| // Partial match. Next search needs to start from beginning of match. |
| search_position = result.first - begin; |
| } |
| else |
| { |
| // No match. Next search can start with the new data. |
| search_position = end - begin; |
| } |
| |
| // Check if buffer is full. |
| if (b.size() == b.max_size()) |
| { |
| ec = error::not_found; |
| return 0; |
| } |
| |
| // Need more data. |
| std::size_t bytes_to_read = std::min<std::size_t>( |
| std::max<std::size_t>(512, b.capacity() - b.size()), |
| std::min<std::size_t>(65536, b.max_size() - b.size())); |
| b.commit(s.read_some(b.prepare(bytes_to_read), ec)); |
| if (ec) |
| return 0; |
| } |
| } |
| |
| #if !defined(ASIO_NO_IOSTREAM) |
| |
| template <typename SyncReadStream, typename Allocator> |
| inline std::size_t read_until(SyncReadStream& s, |
| asio::basic_streambuf<Allocator>& b, char delim) |
| { |
| return read_until(s, basic_streambuf_ref<Allocator>(b), delim); |
| } |
| |
| template <typename SyncReadStream, typename Allocator> |
| inline std::size_t read_until(SyncReadStream& s, |
| asio::basic_streambuf<Allocator>& b, char delim, |
| asio::error_code& ec) |
| { |
| return read_until(s, basic_streambuf_ref<Allocator>(b), delim, ec); |
| } |
| |
| template <typename SyncReadStream, typename Allocator> |
| inline std::size_t read_until(SyncReadStream& s, |
| asio::basic_streambuf<Allocator>& b, const std::string& delim) |
| { |
| return read_until(s, basic_streambuf_ref<Allocator>(b), delim); |
| } |
| |
| template <typename SyncReadStream, typename Allocator> |
| inline std::size_t read_until(SyncReadStream& s, |
| asio::basic_streambuf<Allocator>& b, const std::string& delim, |
| asio::error_code& ec) |
| { |
| return read_until(s, basic_streambuf_ref<Allocator>(b), delim, ec); |
| } |
| |
| #if defined(ASIO_HAS_BOOST_REGEX) |
| |
| template <typename SyncReadStream, typename Allocator> |
| inline std::size_t read_until(SyncReadStream& s, |
| asio::basic_streambuf<Allocator>& b, const boost::regex& expr) |
| { |
| return read_until(s, basic_streambuf_ref<Allocator>(b), expr); |
| } |
| |
| template <typename SyncReadStream, typename Allocator> |
| inline std::size_t read_until(SyncReadStream& s, |
| asio::basic_streambuf<Allocator>& b, const boost::regex& expr, |
| asio::error_code& ec) |
| { |
| return read_until(s, basic_streambuf_ref<Allocator>(b), expr, ec); |
| } |
| |
| #endif // defined(ASIO_HAS_BOOST_REGEX) |
| |
| template <typename SyncReadStream, typename Allocator, typename MatchCondition> |
| inline std::size_t read_until(SyncReadStream& s, |
| asio::basic_streambuf<Allocator>& b, MatchCondition match_condition, |
| typename enable_if<is_match_condition<MatchCondition>::value>::type*) |
| { |
| return read_until(s, basic_streambuf_ref<Allocator>(b), match_condition); |
| } |
| |
| template <typename SyncReadStream, typename Allocator, typename MatchCondition> |
| inline std::size_t read_until(SyncReadStream& s, |
| asio::basic_streambuf<Allocator>& b, |
| MatchCondition match_condition, asio::error_code& ec, |
| typename enable_if<is_match_condition<MatchCondition>::value>::type*) |
| { |
| return read_until(s, basic_streambuf_ref<Allocator>(b), match_condition, ec); |
| } |
| |
| #endif // !defined(ASIO_NO_IOSTREAM) |
| |
| namespace detail |
| { |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| class read_until_delim_op |
| { |
| public: |
| template <typename BufferSequence> |
| read_until_delim_op(AsyncReadStream& stream, |
| ASIO_MOVE_ARG(BufferSequence) buffers, |
| char delim, ReadHandler& handler) |
| : stream_(stream), |
| buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)), |
| delim_(delim), |
| start_(0), |
| search_position_(0), |
| handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) |
| { |
| } |
| |
| #if defined(ASIO_HAS_MOVE) |
| read_until_delim_op(const read_until_delim_op& other) |
| : stream_(other.stream_), |
| buffers_(other.buffers_), |
| delim_(other.delim_), |
| start_(other.start_), |
| search_position_(other.search_position_), |
| handler_(other.handler_) |
| { |
| } |
| |
| read_until_delim_op(read_until_delim_op&& other) |
| : stream_(other.stream_), |
| buffers_(ASIO_MOVE_CAST(DynamicBufferSequence)(other.buffers_)), |
| delim_(other.delim_), |
| start_(other.start_), |
| search_position_(other.search_position_), |
| handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
| { |
| } |
| #endif // defined(ASIO_HAS_MOVE) |
| |
| void operator()(const asio::error_code& ec, |
| std::size_t bytes_transferred, int start = 0) |
| { |
| const std::size_t not_found = (std::numeric_limits<std::size_t>::max)(); |
| std::size_t bytes_to_read; |
| switch (start_ = start) |
| { |
| case 1: |
| for (;;) |
| { |
| { |
| // Determine the range of the data to be searched. |
| typedef typename DynamicBufferSequence::const_buffers_type |
| buffers_type; |
| typedef buffers_iterator<buffers_type> iterator; |
| buffers_type data_buffers = buffers_.data(); |
| iterator begin = iterator::begin(data_buffers); |
| iterator start_pos = begin + search_position_; |
| iterator end = iterator::end(data_buffers); |
| |
| // Look for a match. |
| iterator iter = std::find(start_pos, end, delim_); |
| if (iter != end) |
| { |
| // Found a match. We're done. |
| search_position_ = iter - begin + 1; |
| bytes_to_read = 0; |
| } |
| |
| // No match yet. Check if buffer is full. |
| else if (buffers_.size() == buffers_.max_size()) |
| { |
| search_position_ = not_found; |
| bytes_to_read = 0; |
| } |
| |
| // Need to read some more data. |
| else |
| { |
| // Next search can start with the new data. |
| search_position_ = end - begin; |
| bytes_to_read = std::min<std::size_t>( |
| std::max<std::size_t>(512, |
| buffers_.capacity() - buffers_.size()), |
| std::min<std::size_t>(65536, |
| buffers_.max_size() - buffers_.size())); |
| } |
| } |
| |
| // Check if we're done. |
| if (!start && bytes_to_read == 0) |
| break; |
| |
| // Start a new asynchronous read operation to obtain more data. |
| stream_.async_read_some(buffers_.prepare(bytes_to_read), |
| ASIO_MOVE_CAST(read_until_delim_op)(*this)); |
| return; default: |
| buffers_.commit(bytes_transferred); |
| if (ec || bytes_transferred == 0) |
| 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_; |
| |
| handler_(result_ec, result_n); |
| } |
| } |
| |
| //private: |
| AsyncReadStream& stream_; |
| DynamicBufferSequence buffers_; |
| char delim_; |
| int start_; |
| std::size_t search_position_; |
| ReadHandler handler_; |
| }; |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline void* asio_handler_allocate(std::size_t size, |
| read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| return asio_handler_alloc_helpers::allocate( |
| size, this_handler->handler_); |
| } |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline void asio_handler_deallocate(void* pointer, std::size_t size, |
| read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| asio_handler_alloc_helpers::deallocate( |
| pointer, size, this_handler->handler_); |
| } |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline bool asio_handler_is_continuation( |
| read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| return this_handler->start_ == 0 ? true |
| : asio_handler_cont_helpers::is_continuation( |
| this_handler->handler_); |
| } |
| |
| template <typename Function, typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline void asio_handler_invoke(Function& function, |
| read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| } |
| |
| template <typename Function, typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline void asio_handler_invoke(const Function& function, |
| read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| } |
| } // namespace detail |
| |
| #if !defined(GENERATING_DOCUMENTATION) |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename ReadHandler, typename Allocator> |
| struct associated_allocator< |
| detail::read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>, |
| Allocator> |
| { |
| typedef typename associated_allocator<ReadHandler, Allocator>::type type; |
| |
| static type get( |
| const detail::read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>& h, |
| const Allocator& a = Allocator()) ASIO_NOEXCEPT |
| { |
| return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a); |
| } |
| }; |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename ReadHandler, typename Executor> |
| struct associated_executor< |
| detail::read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>, |
| Executor> |
| { |
| typedef typename associated_executor<ReadHandler, Executor>::type type; |
| |
| static type get( |
| const detail::read_until_delim_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>& h, |
| const Executor& ex = Executor()) ASIO_NOEXCEPT |
| { |
| return associated_executor<ReadHandler, Executor>::get(h.handler_, ex); |
| } |
| }; |
| |
| #endif // !defined(GENERATING_DOCUMENTATION) |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| ASIO_INITFN_RESULT_TYPE(ReadHandler, |
| void (asio::error_code, std::size_t)) |
| async_read_until(AsyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| char delim, ASIO_MOVE_ARG(ReadHandler) handler) |
| { |
| // 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<DynamicBufferSequence>::type, |
| ASIO_HANDLER_TYPE(ReadHandler, |
| void (asio::error_code, std::size_t))>( |
| s, ASIO_MOVE_CAST(DynamicBufferSequence)(buffers), |
| delim, init.completion_handler)(asio::error_code(), 0, 1); |
| |
| return init.result.get(); |
| } |
| |
| namespace detail |
| { |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| class read_until_delim_string_op |
| { |
| public: |
| template <typename BufferSequence> |
| read_until_delim_string_op(AsyncReadStream& stream, |
| ASIO_MOVE_ARG(BufferSequence) buffers, |
| const std::string& delim, ReadHandler& handler) |
| : stream_(stream), |
| buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)), |
| delim_(delim), |
| start_(0), |
| search_position_(0), |
| handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) |
| { |
| } |
| |
| #if defined(ASIO_HAS_MOVE) |
| read_until_delim_string_op(const read_until_delim_string_op& other) |
| : stream_(other.stream_), |
| buffers_(other.buffers_), |
| delim_(other.delim_), |
| start_(other.start_), |
| search_position_(other.search_position_), |
| handler_(other.handler_) |
| { |
| } |
| |
| read_until_delim_string_op(read_until_delim_string_op&& other) |
| : stream_(other.stream_), |
| buffers_(ASIO_MOVE_CAST(DynamicBufferSequence)(other.buffers_)), |
| delim_(ASIO_MOVE_CAST(std::string)(other.delim_)), |
| start_(other.start_), |
| search_position_(other.search_position_), |
| handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
| { |
| } |
| #endif // defined(ASIO_HAS_MOVE) |
| |
| void operator()(const asio::error_code& ec, |
| std::size_t bytes_transferred, int start = 0) |
| { |
| const std::size_t not_found = (std::numeric_limits<std::size_t>::max)(); |
| std::size_t bytes_to_read; |
| switch (start_ = start) |
| { |
| case 1: |
| for (;;) |
| { |
| { |
| // Determine the range of the data to be searched. |
| typedef typename DynamicBufferSequence::const_buffers_type |
| buffers_type; |
| typedef buffers_iterator<buffers_type> iterator; |
| buffers_type data_buffers = buffers_.data(); |
| iterator begin = iterator::begin(data_buffers); |
| iterator start_pos = begin + search_position_; |
| iterator end = iterator::end(data_buffers); |
| |
| // Look for a match. |
| std::pair<iterator, bool> result = detail::partial_search( |
| start_pos, end, delim_.begin(), delim_.end()); |
| if (result.first != end && result.second) |
| { |
| // Full match. We're done. |
| search_position_ = result.first - begin + delim_.length(); |
| bytes_to_read = 0; |
| } |
| |
| // No match yet. Check if buffer is full. |
| else if (buffers_.size() == buffers_.max_size()) |
| { |
| search_position_ = not_found; |
| bytes_to_read = 0; |
| } |
| |
| // Need to read some more data. |
| else |
| { |
| if (result.first != end) |
| { |
| // Partial match. Next search needs to start from beginning of |
| // match. |
| search_position_ = result.first - begin; |
| } |
| else |
| { |
| // Next search can start with the new data. |
| search_position_ = end - begin; |
| } |
| |
| bytes_to_read = std::min<std::size_t>( |
| std::max<std::size_t>(512, |
| buffers_.capacity() - buffers_.size()), |
| std::min<std::size_t>(65536, |
| buffers_.max_size() - buffers_.size())); |
| } |
| } |
| |
| // Check if we're done. |
| if (!start && bytes_to_read == 0) |
| break; |
| |
| // Start a new asynchronous read operation to obtain more data. |
| stream_.async_read_some(buffers_.prepare(bytes_to_read), |
| ASIO_MOVE_CAST(read_until_delim_string_op)(*this)); |
| return; default: |
| buffers_.commit(bytes_transferred); |
| if (ec || bytes_transferred == 0) |
| 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_; |
| |
| handler_(result_ec, result_n); |
| } |
| } |
| |
| //private: |
| AsyncReadStream& stream_; |
| DynamicBufferSequence buffers_; |
| std::string delim_; |
| int start_; |
| std::size_t search_position_; |
| ReadHandler handler_; |
| }; |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline void* asio_handler_allocate(std::size_t size, |
| read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| return asio_handler_alloc_helpers::allocate( |
| size, this_handler->handler_); |
| } |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline void asio_handler_deallocate(void* pointer, std::size_t size, |
| read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| asio_handler_alloc_helpers::deallocate( |
| pointer, size, this_handler->handler_); |
| } |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline bool asio_handler_is_continuation( |
| read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| return this_handler->start_ == 0 ? true |
| : asio_handler_cont_helpers::is_continuation( |
| this_handler->handler_); |
| } |
| |
| template <typename Function, typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline void asio_handler_invoke(Function& function, |
| read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| } |
| |
| template <typename Function, typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| inline void asio_handler_invoke(const Function& function, |
| read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| } |
| } // namespace detail |
| |
| #if !defined(GENERATING_DOCUMENTATION) |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename ReadHandler, typename Allocator> |
| struct associated_allocator< |
| detail::read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>, |
| Allocator> |
| { |
| typedef typename associated_allocator<ReadHandler, Allocator>::type type; |
| |
| static type get( |
| const detail::read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>& h, |
| const Allocator& a = Allocator()) ASIO_NOEXCEPT |
| { |
| return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a); |
| } |
| }; |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename ReadHandler, typename Executor> |
| struct associated_executor< |
| detail::read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>, |
| Executor> |
| { |
| typedef typename associated_executor<ReadHandler, Executor>::type type; |
| |
| static type get( |
| const detail::read_until_delim_string_op<AsyncReadStream, |
| DynamicBufferSequence, ReadHandler>& h, |
| const Executor& ex = Executor()) ASIO_NOEXCEPT |
| { |
| return associated_executor<ReadHandler, Executor>::get(h.handler_, ex); |
| } |
| }; |
| |
| #endif // !defined(GENERATING_DOCUMENTATION) |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| ASIO_INITFN_RESULT_TYPE(ReadHandler, |
| void (asio::error_code, std::size_t)) |
| async_read_until(AsyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| const std::string& delim, ASIO_MOVE_ARG(ReadHandler) handler) |
| { |
| // 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<DynamicBufferSequence>::type, |
| ASIO_HANDLER_TYPE(ReadHandler, |
| void (asio::error_code, std::size_t))>( |
| s, ASIO_MOVE_CAST(DynamicBufferSequence)(buffers), |
| delim, init.completion_handler)(asio::error_code(), 0, 1); |
| |
| return init.result.get(); |
| } |
| |
| #if defined(ASIO_HAS_BOOST_REGEX) |
| |
| namespace detail |
| { |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename RegEx, typename ReadHandler> |
| class read_until_expr_op |
| { |
| 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)), |
| expr_(expr), |
| start_(0), |
| search_position_(0), |
| handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) |
| { |
| } |
| |
| #if defined(ASIO_HAS_MOVE) |
| read_until_expr_op(const read_until_expr_op& other) |
| : stream_(other.stream_), |
| buffers_(other.buffers_), |
| expr_(other.expr_), |
| start_(other.start_), |
| search_position_(other.search_position_), |
| handler_(other.handler_) |
| { |
| } |
| |
| read_until_expr_op(read_until_expr_op&& other) |
| : stream_(other.stream_), |
| buffers_(ASIO_MOVE_CAST(DynamicBufferSequence)(other.buffers_)), |
| expr_(other.expr_), |
| start_(other.start_), |
| search_position_(other.search_position_), |
| handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
| { |
| } |
| #endif // defined(ASIO_HAS_MOVE) |
| |
| void operator()(const asio::error_code& ec, |
| std::size_t bytes_transferred, int start = 0) |
| { |
| const std::size_t not_found = (std::numeric_limits<std::size_t>::max)(); |
| std::size_t bytes_to_read; |
| switch (start_ = start) |
| { |
| case 1: |
| for (;;) |
| { |
| { |
| // Determine the range of the data to be searched. |
| typedef typename DynamicBufferSequence::const_buffers_type |
| buffers_type; |
| typedef buffers_iterator<buffers_type> iterator; |
| buffers_type data_buffers = buffers_.data(); |
| iterator begin = iterator::begin(data_buffers); |
| iterator start_pos = begin + search_position_; |
| iterator end = iterator::end(data_buffers); |
| |
| // Look for a match. |
| boost::match_results<iterator, |
| typename std::vector<boost::sub_match<iterator> >::allocator_type> |
| match_results; |
| bool match = regex_search(start_pos, end, match_results, expr_, |
| boost::match_default | boost::match_partial); |
| if (match && match_results[0].matched) |
| { |
| // Full match. We're done. |
| search_position_ = match_results[0].second - begin; |
| bytes_to_read = 0; |
| } |
| |
| // No match yet. Check if buffer is full. |
| else if (buffers_.size() == buffers_.max_size()) |
| { |
| search_position_ = not_found; |
| bytes_to_read = 0; |
| } |
| |
| // Need to read some more data. |
| else |
| { |
| if (match) |
| { |
| // Partial match. Next search needs to start from beginning of |
| // match. |
| search_position_ = match_results[0].first - begin; |
| } |
| else |
| { |
| // Next search can start with the new data. |
| search_position_ = end - begin; |
| } |
| |
| bytes_to_read = std::min<std::size_t>( |
| std::max<std::size_t>(512, |
| buffers_.capacity() - buffers_.size()), |
| std::min<std::size_t>(65536, |
| buffers_.max_size() - buffers_.size())); |
| } |
| } |
| |
| // Check if we're done. |
| if (!start && bytes_to_read == 0) |
| break; |
| |
| // Start a new asynchronous read operation to obtain more data. |
| stream_.async_read_some(buffers_.prepare(bytes_to_read), |
| ASIO_MOVE_CAST(read_until_expr_op)(*this)); |
| return; default: |
| buffers_.commit(bytes_transferred); |
| if (ec || bytes_transferred == 0) |
| 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_; |
| |
| handler_(result_ec, result_n); |
| } |
| } |
| |
| //private: |
| AsyncReadStream& stream_; |
| DynamicBufferSequence buffers_; |
| RegEx expr_; |
| int start_; |
| std::size_t search_position_; |
| ReadHandler handler_; |
| }; |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename RegEx, typename ReadHandler> |
| inline void* asio_handler_allocate(std::size_t size, |
| read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, RegEx, ReadHandler>* this_handler) |
| { |
| return asio_handler_alloc_helpers::allocate( |
| size, this_handler->handler_); |
| } |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename RegEx, typename ReadHandler> |
| inline void asio_handler_deallocate(void* pointer, std::size_t size, |
| read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, RegEx, ReadHandler>* this_handler) |
| { |
| asio_handler_alloc_helpers::deallocate( |
| pointer, size, this_handler->handler_); |
| } |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename RegEx, typename ReadHandler> |
| inline bool asio_handler_is_continuation( |
| read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, 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 DynamicBufferSequence, typename RegEx, typename ReadHandler> |
| inline void asio_handler_invoke(Function& function, |
| read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, RegEx, ReadHandler>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| } |
| |
| template <typename Function, typename AsyncReadStream, |
| typename DynamicBufferSequence, typename RegEx, typename ReadHandler> |
| inline void asio_handler_invoke(const Function& function, |
| read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, RegEx, ReadHandler>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| } |
| } // namespace detail |
| |
| #if !defined(GENERATING_DOCUMENTATION) |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename RegEx, typename ReadHandler, typename Allocator> |
| struct associated_allocator< |
| detail::read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, RegEx, ReadHandler>, |
| Allocator> |
| { |
| typedef typename associated_allocator<ReadHandler, Allocator>::type type; |
| |
| static type get( |
| const detail::read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, RegEx, ReadHandler>& h, |
| const Allocator& a = Allocator()) ASIO_NOEXCEPT |
| { |
| return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a); |
| } |
| }; |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename RegEx, typename ReadHandler, typename Executor> |
| struct associated_executor< |
| detail::read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, RegEx, ReadHandler>, |
| Executor> |
| { |
| typedef typename associated_executor<ReadHandler, Executor>::type type; |
| |
| static type get( |
| const detail::read_until_expr_op<AsyncReadStream, |
| DynamicBufferSequence, RegEx, ReadHandler>& h, |
| const Executor& ex = Executor()) ASIO_NOEXCEPT |
| { |
| return associated_executor<ReadHandler, Executor>::get(h.handler_, ex); |
| } |
| }; |
| |
| #endif // !defined(GENERATING_DOCUMENTATION) |
| |
| template <typename AsyncReadStream, |
| typename DynamicBufferSequence, typename ReadHandler> |
| ASIO_INITFN_RESULT_TYPE(ReadHandler, |
| void (asio::error_code, std::size_t)) |
| async_read_until(AsyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| const boost::regex& expr, |
| ASIO_MOVE_ARG(ReadHandler) handler) |
| { |
| // 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<DynamicBufferSequence>::type, |
| boost::regex, ASIO_HANDLER_TYPE(ReadHandler, |
| void (asio::error_code, std::size_t))>( |
| s, ASIO_MOVE_CAST(DynamicBufferSequence)(buffers), |
| expr, init.completion_handler)(asio::error_code(), 0, 1); |
| |
| return init.result.get(); |
| } |
| |
| #endif // defined(ASIO_HAS_BOOST_REGEX) |
| |
| namespace detail |
| { |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename MatchCondition, typename ReadHandler> |
| class read_until_match_op |
| { |
| public: |
| template <typename BufferSequence> |
| read_until_match_op(AsyncReadStream& stream, |
| ASIO_MOVE_ARG(BufferSequence) buffers, |
| MatchCondition match_condition, ReadHandler& handler) |
| : stream_(stream), |
| buffers_(ASIO_MOVE_CAST(BufferSequence)(buffers)), |
| match_condition_(match_condition), |
| start_(0), |
| search_position_(0), |
| handler_(ASIO_MOVE_CAST(ReadHandler)(handler)) |
| { |
| } |
| |
| #if defined(ASIO_HAS_MOVE) |
| read_until_match_op(const read_until_match_op& other) |
| : stream_(other.stream_), |
| buffers_(other.buffers_), |
| match_condition_(other.match_condition_), |
| start_(other.start_), |
| search_position_(other.search_position_), |
| handler_(other.handler_) |
| { |
| } |
| |
| read_until_match_op(read_until_match_op&& other) |
| : stream_(other.stream_), |
| buffers_(ASIO_MOVE_CAST(DynamicBufferSequence)(other.buffers_)), |
| match_condition_(other.match_condition_), |
| start_(other.start_), |
| search_position_(other.search_position_), |
| handler_(ASIO_MOVE_CAST(ReadHandler)(other.handler_)) |
| { |
| } |
| #endif // defined(ASIO_HAS_MOVE) |
| |
| void operator()(const asio::error_code& ec, |
| std::size_t bytes_transferred, int start = 0) |
| { |
| const std::size_t not_found = (std::numeric_limits<std::size_t>::max)(); |
| std::size_t bytes_to_read; |
| switch (start_ = start) |
| { |
| case 1: |
| for (;;) |
| { |
| { |
| // Determine the range of the data to be searched. |
| typedef typename DynamicBufferSequence::const_buffers_type |
| buffers_type; |
| typedef buffers_iterator<buffers_type> iterator; |
| buffers_type data_buffers = buffers_.data(); |
| iterator begin = iterator::begin(data_buffers); |
| iterator start_pos = begin + search_position_; |
| iterator end = iterator::end(data_buffers); |
| |
| // Look for a match. |
| std::pair<iterator, bool> result = match_condition_(start_pos, end); |
| if (result.second) |
| { |
| // Full match. We're done. |
| search_position_ = result.first - begin; |
| bytes_to_read = 0; |
| } |
| |
| // No match yet. Check if buffer is full. |
| else if (buffers_.size() == buffers_.max_size()) |
| { |
| search_position_ = not_found; |
| bytes_to_read = 0; |
| } |
| |
| // Need to read some more data. |
| else |
| { |
| if (result.first != end) |
| { |
| // Partial match. Next search needs to start from beginning of |
| // match. |
| search_position_ = result.first - begin; |
| } |
| else |
| { |
| // Next search can start with the new data. |
| search_position_ = end - begin; |
| } |
| |
| bytes_to_read = std::min<std::size_t>( |
| std::max<std::size_t>(512, |
| buffers_.capacity() - buffers_.size()), |
| std::min<std::size_t>(65536, |
| buffers_.max_size() - buffers_.size())); |
| } |
| } |
| |
| // Check if we're done. |
| if (!start && bytes_to_read == 0) |
| break; |
| |
| // Start a new asynchronous read operation to obtain more data. |
| stream_.async_read_some(buffers_.prepare(bytes_to_read), |
| ASIO_MOVE_CAST(read_until_match_op)(*this)); |
| return; default: |
| buffers_.commit(bytes_transferred); |
| if (ec || bytes_transferred == 0) |
| 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_; |
| |
| handler_(result_ec, result_n); |
| } |
| } |
| |
| //private: |
| AsyncReadStream& stream_; |
| DynamicBufferSequence buffers_; |
| MatchCondition match_condition_; |
| int start_; |
| std::size_t search_position_; |
| ReadHandler handler_; |
| }; |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename MatchCondition, typename ReadHandler> |
| inline void* asio_handler_allocate(std::size_t size, |
| read_until_match_op<AsyncReadStream, DynamicBufferSequence, |
| MatchCondition, ReadHandler>* this_handler) |
| { |
| return asio_handler_alloc_helpers::allocate( |
| size, this_handler->handler_); |
| } |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename MatchCondition, typename ReadHandler> |
| inline void asio_handler_deallocate(void* pointer, std::size_t size, |
| read_until_match_op<AsyncReadStream, DynamicBufferSequence, |
| MatchCondition, ReadHandler>* this_handler) |
| { |
| asio_handler_alloc_helpers::deallocate( |
| pointer, size, this_handler->handler_); |
| } |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename MatchCondition, typename ReadHandler> |
| inline bool asio_handler_is_continuation( |
| read_until_match_op<AsyncReadStream, DynamicBufferSequence, |
| MatchCondition, ReadHandler>* this_handler) |
| { |
| return this_handler->start_ == 0 ? true |
| : asio_handler_cont_helpers::is_continuation( |
| this_handler->handler_); |
| } |
| |
| template <typename Function, typename AsyncReadStream, |
| typename DynamicBufferSequence, typename MatchCondition, |
| typename ReadHandler> |
| inline void asio_handler_invoke(Function& function, |
| read_until_match_op<AsyncReadStream, DynamicBufferSequence, |
| MatchCondition, ReadHandler>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| } |
| |
| template <typename Function, typename AsyncReadStream, |
| typename DynamicBufferSequence, typename MatchCondition, |
| typename ReadHandler> |
| inline void asio_handler_invoke(const Function& function, |
| read_until_match_op<AsyncReadStream, DynamicBufferSequence, |
| MatchCondition, ReadHandler>* this_handler) |
| { |
| asio_handler_invoke_helpers::invoke( |
| function, this_handler->handler_); |
| } |
| } // namespace detail |
| |
| #if !defined(GENERATING_DOCUMENTATION) |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename MatchCondition, typename ReadHandler, typename Allocator> |
| struct associated_allocator< |
| detail::read_until_match_op<AsyncReadStream, |
| DynamicBufferSequence, MatchCondition, ReadHandler>, |
| Allocator> |
| { |
| typedef typename associated_allocator<ReadHandler, Allocator>::type type; |
| |
| static type get( |
| const detail::read_until_match_op<AsyncReadStream, |
| DynamicBufferSequence, MatchCondition, ReadHandler>& h, |
| const Allocator& a = Allocator()) ASIO_NOEXCEPT |
| { |
| return associated_allocator<ReadHandler, Allocator>::get(h.handler_, a); |
| } |
| }; |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename MatchCondition, typename ReadHandler, typename Executor> |
| struct associated_executor< |
| detail::read_until_match_op<AsyncReadStream, |
| DynamicBufferSequence, MatchCondition, ReadHandler>, |
| Executor> |
| { |
| typedef typename associated_executor<ReadHandler, Executor>::type type; |
| |
| static type get( |
| const detail::read_until_match_op<AsyncReadStream, |
| DynamicBufferSequence, MatchCondition, ReadHandler>& h, |
| const Executor& ex = Executor()) ASIO_NOEXCEPT |
| { |
| return associated_executor<ReadHandler, Executor>::get(h.handler_, ex); |
| } |
| }; |
| |
| #endif // !defined(GENERATING_DOCUMENTATION) |
| |
| template <typename AsyncReadStream, typename DynamicBufferSequence, |
| typename MatchCondition, typename ReadHandler> |
| ASIO_INITFN_RESULT_TYPE(ReadHandler, |
| void (asio::error_code, std::size_t)) |
| async_read_until(AsyncReadStream& s, |
| ASIO_MOVE_ARG(DynamicBufferSequence) buffers, |
| MatchCondition match_condition, ASIO_MOVE_ARG(ReadHandler) handler, |
| typename enable_if<is_match_condition<MatchCondition>::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. |
| 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<DynamicBufferSequence>::type, |
| MatchCondition, ASIO_HANDLER_TYPE(ReadHandler, |
| void (asio::error_code, std::size_t))>( |
| s, ASIO_MOVE_CAST(DynamicBufferSequence)(buffers), |
| match_condition, init.completion_handler)( |
| asio::error_code(), 0, 1); |
| |
| return init.result.get(); |
| } |
| |
| #if !defined(ASIO_NO_IOSTREAM) |
| |
| 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) |
| { |
| return async_read_until(s, basic_streambuf_ref<Allocator>(b), |
| delim, ASIO_MOVE_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, const std::string& delim, |
| ASIO_MOVE_ARG(ReadHandler) handler) |
| { |
| return async_read_until(s, basic_streambuf_ref<Allocator>(b), |
| delim, ASIO_MOVE_CAST(ReadHandler)(handler)); |
| } |
| |
| #if defined(ASIO_HAS_BOOST_REGEX) |
| |
| template <typename AsyncReadStream, typename Allocator, 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) |
| { |
| return async_read_until(s, basic_streambuf_ref<Allocator>(b), |
| expr, ASIO_MOVE_CAST(ReadHandler)(handler)); |
| } |
| |
| #endif // defined(ASIO_HAS_BOOST_REGEX) |
| |
| template <typename AsyncReadStream, typename Allocator, |
| typename MatchCondition, 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*) |
| { |
| return async_read_until(s, basic_streambuf_ref<Allocator>(b), |
| match_condition, ASIO_MOVE_CAST(ReadHandler)(handler)); |
| } |
| |
| #endif // !defined(ASIO_NO_IOSTREAM) |
| |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_IMPL_READ_UNTIL_HPP |
