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Diffstat (limited to 'boost/beast/core/impl/buffers_prefix.ipp')
| -rw-r--r-- | boost/beast/core/impl/buffers_prefix.ipp | 277 |
1 files changed, 0 insertions, 277 deletions
diff --git a/boost/beast/core/impl/buffers_prefix.ipp b/boost/beast/core/impl/buffers_prefix.ipp deleted file mode 100644 index c595455d60..0000000000 --- a/boost/beast/core/impl/buffers_prefix.ipp +++ /dev/null @@ -1,277 +0,0 @@ -// -// Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail 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) -// -// Official repository: https://github.com/boostorg/beast -// - -#ifndef BOOST_BEAST_IMPL_BUFFERS_PREFIX_IPP -#define BOOST_BEAST_IMPL_BUFFERS_PREFIX_IPP - -#include <algorithm> -#include <cstdint> -#include <iterator> -#include <stdexcept> -#include <type_traits> -#include <utility> - -namespace boost { -namespace beast { - -namespace detail { - -inline -boost::asio::const_buffer -buffers_prefix(std::size_t size, - boost::asio::const_buffer buffer) -{ - return {buffer.data(), - (std::min)(size, buffer.size())}; -} - -inline -boost::asio::mutable_buffer -buffers_prefix(std::size_t size, - boost::asio::mutable_buffer buffer) -{ - return {buffer.data(), - (std::min)(size, buffer.size())}; -} - -} // detail - -template<class BufferSequence> -class buffers_prefix_view<BufferSequence>::const_iterator -{ - friend class buffers_prefix_view<BufferSequence>; - - buffers_prefix_view const* b_ = nullptr; - std::size_t remain_; - iter_type it_; - -public: - using value_type = typename std::conditional< - boost::is_convertible<typename - std::iterator_traits<iter_type>::value_type, - boost::asio::mutable_buffer>::value, - boost::asio::mutable_buffer, - boost::asio::const_buffer>::type; - using pointer = value_type const*; - using reference = value_type; - using difference_type = std::ptrdiff_t; - using iterator_category = - std::bidirectional_iterator_tag; - - const_iterator() = default; - const_iterator(const_iterator&& other) = default; - const_iterator(const_iterator const& other) = default; - const_iterator& operator=(const_iterator&& other) = default; - const_iterator& operator=(const_iterator const& other) = default; - - bool - operator==(const_iterator const& other) const - { - return - (b_ == nullptr) ? - ( - other.b_ == nullptr || - other.it_ == other.b_->end_ - ):( - (other.b_ == nullptr) ? - ( - it_ == b_->end_ - ): ( - b_ == other.b_ && - it_ == other.it_ - ) - ); - } - - bool - operator!=(const_iterator const& other) const - { - return !(*this == other); - } - - reference - operator*() const - { - return detail::buffers_prefix(remain_, *it_); - } - - pointer - operator->() const = delete; - - const_iterator& - operator++() - { - remain_ -= boost::asio::buffer_size(*it_++); - return *this; - } - - const_iterator - operator++(int) - { - auto temp = *this; - remain_ -= boost::asio::buffer_size(*it_++); - return temp; - } - - const_iterator& - operator--() - { - remain_ += boost::asio::buffer_size(*--it_); - return *this; - } - - const_iterator - operator--(int) - { - auto temp = *this; - remain_ += boost::asio::buffer_size(*--it_); - return temp; - } - -private: - const_iterator(buffers_prefix_view const& b, - std::true_type) - : b_(&b) - , remain_(b.remain_) - , it_(b_->end_) - { - } - - const_iterator(buffers_prefix_view const& b, - std::false_type) - : b_(&b) - , remain_(b_->size_) - , it_(boost::asio::buffer_sequence_begin(b_->bs_)) - { - } -}; - -//------------------------------------------------------------------------------ - -template<class BufferSequence> -void -buffers_prefix_view<BufferSequence>:: -setup(std::size_t size) -{ - size_ = 0; - remain_ = 0; - end_ = boost::asio::buffer_sequence_begin(bs_); - auto const last = bs_.end(); - while(end_ != last) - { - auto const len = - boost::asio::buffer_size(*end_++); - if(len >= size) - { - size_ += size; - remain_ = size - len; - break; - } - size -= len; - size_ += len; - } -} - -template<class BufferSequence> -buffers_prefix_view<BufferSequence>:: -buffers_prefix_view(buffers_prefix_view&& other) - : buffers_prefix_view(std::move(other), - std::distance<iter_type>( - boost::asio::buffer_sequence_begin(other.bs_), - other.end_)) -{ -} - -template<class BufferSequence> -buffers_prefix_view<BufferSequence>:: -buffers_prefix_view(buffers_prefix_view const& other) - : buffers_prefix_view(other, - std::distance<iter_type>( - boost::asio::buffer_sequence_begin(other.bs_), - other.end_)) -{ -} - -template<class BufferSequence> -auto -buffers_prefix_view<BufferSequence>:: -operator=(buffers_prefix_view&& other) -> - buffers_prefix_view& -{ - auto const dist = std::distance<iter_type>( - boost::asio::buffer_sequence_begin(other.bs_), - other.end_); - bs_ = std::move(other.bs_); - size_ = other.size_; - remain_ = other.remain_; - end_ = std::next( - boost::asio::buffer_sequence_begin(bs_), - dist); - return *this; -} - -template<class BufferSequence> -auto -buffers_prefix_view<BufferSequence>:: -operator=(buffers_prefix_view const& other) -> - buffers_prefix_view& -{ - auto const dist = std::distance<iter_type>( - boost::asio::buffer_sequence_begin(other.bs_), - other.end_); - bs_ = other.bs_; - size_ = other.size_; - remain_ = other.remain_; - end_ = std::next( - boost::asio::buffer_sequence_begin(bs_), - dist); - return *this; -} - -template<class BufferSequence> -buffers_prefix_view<BufferSequence>:: -buffers_prefix_view(std::size_t size, - BufferSequence const& bs) - : bs_(bs) -{ - setup(size); -} - -template<class BufferSequence> -template<class... Args> -buffers_prefix_view<BufferSequence>:: -buffers_prefix_view(std::size_t size, - boost::in_place_init_t, Args&&... args) - : bs_(std::forward<Args>(args)...) -{ - setup(size); -} - -template<class BufferSequence> -inline -auto -buffers_prefix_view<BufferSequence>::begin() const -> - const_iterator -{ - return const_iterator{*this, std::false_type{}}; -} - -template<class BufferSequence> -inline -auto -buffers_prefix_view<BufferSequence>::end() const -> - const_iterator -{ - return const_iterator{*this, std::true_type{}}; -} - -} // beast -} // boost - -#endif |