Swift
summaryrefslogtreecommitdiffstats
path: root/3rdParty/Boost/boost/asio/detail/consuming_buffers.hpp
diff options
context:
space:
mode:
authorRemko Tronçon <git@el-tramo.be>2010-02-11 12:14:00 (GMT)
committerRemko Tronçon <git@el-tramo.be>2010-02-11 12:14:00 (GMT)
commit0efa7c32aaf21a29b42b5926cc116007056843be (patch)
tree882f663a5dd0e65694bf6077b71086dd77fd7ff8 /3rdParty/Boost/boost/asio/detail/consuming_buffers.hpp
parent1d20eabbc32274b491b4c2bedf73d19933d97bfd (diff)
downloadswift-contrib-0efa7c32aaf21a29b42b5926cc116007056843be.zip
swift-contrib-0efa7c32aaf21a29b42b5926cc116007056843be.tar.bz2
Moved some modules into separate git modules.
Diffstat (limited to '3rdParty/Boost/boost/asio/detail/consuming_buffers.hpp')
m---------3rdParty/Boost0
-rw-r--r--3rdParty/Boost/boost/asio/detail/consuming_buffers.hpp246
2 files changed, 0 insertions, 246 deletions
diff --git a/3rdParty/Boost b/3rdParty/Boost
new file mode 160000
+Subproject 3bbdbc8cf1996f23d9a366da8bac0f97be6ad79
diff --git a/3rdParty/Boost/boost/asio/detail/consuming_buffers.hpp b/3rdParty/Boost/boost/asio/detail/consuming_buffers.hpp
deleted file mode 100644
index 0ed811d..0000000
--- a/3rdParty/Boost/boost/asio/detail/consuming_buffers.hpp
+++ /dev/null
@@ -1,246 +0,0 @@
-//
-// consuming_buffers.hpp
-// ~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2008 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 BOOST_ASIO_DETAIL_CONSUMING_BUFFERS_HPP
-#define BOOST_ASIO_DETAIL_CONSUMING_BUFFERS_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include <boost/asio/detail/push_options.hpp>
-
-#include <boost/asio/detail/push_options.hpp>
-#include <algorithm>
-#include <cstddef>
-#include <limits>
-#include <boost/config.hpp>
-#include <boost/iterator/iterator_facade.hpp>
-#include <boost/asio/detail/pop_options.hpp>
-
-#include <boost/asio/buffer.hpp>
-#include <boost/asio/completion_condition.hpp>
-
-namespace boost {
-namespace asio {
-namespace detail {
-
-// A proxy iterator for a sub-range in a list of buffers.
-template <typename Buffer, typename Buffer_Iterator>
-class consuming_buffers_iterator
- : public boost::iterator_facade<
- consuming_buffers_iterator<Buffer, Buffer_Iterator>,
- const Buffer, boost::forward_traversal_tag>
-{
-public:
- // Default constructor creates an end iterator.
- consuming_buffers_iterator()
- : at_end_(true)
- {
- }
-
- // Construct with a buffer for the first entry and an iterator
- // range for the remaining entries.
- consuming_buffers_iterator(bool at_end, const Buffer& first,
- Buffer_Iterator begin_remainder, Buffer_Iterator end_remainder,
- std::size_t max_size)
- : at_end_(max_size > 0 ? at_end : true),
- first_(buffer(first, max_size)),
- begin_remainder_(begin_remainder),
- end_remainder_(end_remainder),
- offset_(0),
- max_size_(max_size)
- {
- }
-
-private:
- friend class boost::iterator_core_access;
-
- void increment()
- {
- if (!at_end_)
- {
- if (begin_remainder_ == end_remainder_
- || offset_ + buffer_size(first_) >= max_size_)
- {
- at_end_ = true;
- }
- else
- {
- offset_ += buffer_size(first_);
- first_ = buffer(*begin_remainder_++, max_size_ - offset_);
- }
- }
- }
-
- bool equal(const consuming_buffers_iterator& other) const
- {
- if (at_end_ && other.at_end_)
- return true;
- return !at_end_ && !other.at_end_
- && buffer_cast<const void*>(first_)
- == buffer_cast<const void*>(other.first_)
- && buffer_size(first_) == buffer_size(other.first_)
- && begin_remainder_ == other.begin_remainder_
- && end_remainder_ == other.end_remainder_;
- }
-
- const Buffer& dereference() const
- {
- return first_;
- }
-
- bool at_end_;
- Buffer first_;
- Buffer_Iterator begin_remainder_;
- Buffer_Iterator end_remainder_;
- std::size_t offset_;
- std::size_t max_size_;
-};
-
-// A proxy for a sub-range in a list of buffers.
-template <typename Buffer, typename Buffers>
-class consuming_buffers
-{
-public:
- // The type for each element in the list of buffers.
- typedef Buffer value_type;
-
- // A forward-only iterator type that may be used to read elements.
- typedef consuming_buffers_iterator<Buffer, typename Buffers::const_iterator>
- const_iterator;
-
- // Construct to represent the entire list of buffers.
- consuming_buffers(const Buffers& buffers)
- : buffers_(buffers),
- at_end_(buffers_.begin() == buffers_.end()),
- first_(*buffers_.begin()),
- begin_remainder_(buffers_.begin()),
- max_size_((std::numeric_limits<std::size_t>::max)())
- {
- if (!at_end_)
- ++begin_remainder_;
- }
-
- // Copy constructor.
- consuming_buffers(const consuming_buffers& other)
- : buffers_(other.buffers_),
- at_end_(other.at_end_),
- first_(other.first_),
- begin_remainder_(buffers_.begin()),
- max_size_(other.max_size_)
- {
- typename Buffers::const_iterator first = other.buffers_.begin();
- typename Buffers::const_iterator second = other.begin_remainder_;
- std::advance(begin_remainder_, std::distance(first, second));
- }
-
- // Assignment operator.
- consuming_buffers& operator=(const consuming_buffers& other)
- {
- buffers_ = other.buffers_;
- at_end_ = other.at_end_;
- first_ = other.first_;
- begin_remainder_ = buffers_.begin();
- typename Buffers::const_iterator first = other.buffers_.begin();
- typename Buffers::const_iterator second = other.begin_remainder_;
- std::advance(begin_remainder_, std::distance(first, second));
- max_size_ = other.max_size_;
- return *this;
- }
-
- // Get a forward-only iterator to the first element.
- const_iterator begin() const
- {
- return const_iterator(at_end_, first_,
- begin_remainder_, buffers_.end(), max_size_);
- }
-
- // Get a forward-only iterator for one past the last element.
- const_iterator end() const
- {
- return const_iterator();
- }
-
- // Set the maximum size for a single transfer.
- void set_max_size(std::size_t max_size)
- {
- max_size_ = max_size;
- }
-
- // Consume the specified number of bytes from the buffers.
- void consume(std::size_t size)
- {
- // Remove buffers from the start until the specified size is reached.
- while (size > 0 && !at_end_)
- {
- if (buffer_size(first_) <= size)
- {
- size -= buffer_size(first_);
- if (begin_remainder_ == buffers_.end())
- at_end_ = true;
- else
- first_ = *begin_remainder_++;
- }
- else
- {
- first_ = first_ + size;
- size = 0;
- }
- }
-
- // Remove any more empty buffers at the start.
- while (!at_end_ && buffer_size(first_) == 0)
- {
- if (begin_remainder_ == buffers_.end())
- at_end_ = true;
- else
- first_ = *begin_remainder_++;
- }
- }
-
-private:
- Buffers buffers_;
- bool at_end_;
- Buffer first_;
- typename Buffers::const_iterator begin_remainder_;
- std::size_t max_size_;
-};
-
-// Specialisation for null_buffers to ensure that the null_buffers type is
-// always passed through to the underlying read or write operation.
-template <typename Buffer>
-class consuming_buffers<Buffer, boost::asio::null_buffers>
- : public boost::asio::null_buffers
-{
-public:
- consuming_buffers(const boost::asio::null_buffers&)
- {
- // No-op.
- }
-
- void set_max_size(std::size_t)
- {
- // No-op.
- }
-
- void consume(std::size_t)
- {
- // No-op.
- }
-};
-
-} // namespace detail
-} // namespace asio
-} // namespace boost
-
-#include <boost/asio/detail/pop_options.hpp>
-
-#endif // BOOST_ASIO_DETAIL_CONSUMING_BUFFERS_HPP