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- #ifndef BOOST_ASIO_BUFFER_HPP
- #define BOOST_ASIO_BUFFER_HPP
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif
- #include <boost/asio/detail/push_options.hpp>
- #include <boost/asio/detail/push_options.hpp>
- #include <cstddef>
- #include <boost/config.hpp>
- #include <boost/array.hpp>
- #include <boost/type_traits/is_const.hpp>
- #include <string>
- #include <vector>
- #include <boost/asio/detail/pop_options.hpp>
- #if defined(BOOST_MSVC)
- # if defined(_HAS_ITERATOR_DEBUGGING) && (_HAS_ITERATOR_DEBUGGING != 0)
- # if !defined(BOOST_ASIO_DISABLE_BUFFER_DEBUGGING)
- # define BOOST_ASIO_ENABLE_BUFFER_DEBUGGING
- # endif
- # endif
- #endif
- #if defined(__GNUC__)
- # if defined(_GLIBCXX_DEBUG)
- # if !defined(BOOST_ASIO_DISABLE_BUFFER_DEBUGGING)
- # define BOOST_ASIO_ENABLE_BUFFER_DEBUGGING
- # endif
- # endif
- #endif
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- # include <boost/asio/detail/push_options.hpp>
- # include <boost/function.hpp>
- # include <boost/asio/detail/pop_options.hpp>
- #endif
- namespace boost {
- namespace asio {
- class mutable_buffer;
- class const_buffer;
- namespace detail {
- void* buffer_cast_helper(const mutable_buffer&);
- const void* buffer_cast_helper(const const_buffer&);
- std::size_t buffer_size_helper(const mutable_buffer&);
- std::size_t buffer_size_helper(const const_buffer&);
- }
- class mutable_buffer
- {
- public:
-
- mutable_buffer()
- : data_(0),
- size_(0)
- {
- }
-
- mutable_buffer(void* data, std::size_t size)
- : data_(data),
- size_(size)
- {
- }
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- mutable_buffer(void* data, std::size_t size,
- boost::function<void()> debug_check)
- : data_(data),
- size_(size),
- debug_check_(debug_check)
- {
- }
- const boost::function<void()>& get_debug_check() const
- {
- return debug_check_;
- }
- #endif
- private:
- friend void* boost::asio::detail::buffer_cast_helper(
- const mutable_buffer& b);
- friend std::size_t boost::asio::detail::buffer_size_helper(
- const mutable_buffer& b);
- void* data_;
- std::size_t size_;
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- boost::function<void()> debug_check_;
- #endif
- };
- namespace detail {
- inline void* buffer_cast_helper(const mutable_buffer& b)
- {
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- if (b.size_ && b.debug_check_)
- b.debug_check_();
- #endif
- return b.data_;
- }
- inline std::size_t buffer_size_helper(const mutable_buffer& b)
- {
- return b.size_;
- }
- }
- template <typename PointerToPodType>
- inline PointerToPodType buffer_cast(const mutable_buffer& b)
- {
- return static_cast<PointerToPodType>(detail::buffer_cast_helper(b));
- }
- inline std::size_t buffer_size(const mutable_buffer& b)
- {
- return detail::buffer_size_helper(b);
- }
- inline mutable_buffer operator+(const mutable_buffer& b, std::size_t start)
- {
- if (start > buffer_size(b))
- return mutable_buffer();
- char* new_data = buffer_cast<char*>(b) + start;
- std::size_t new_size = buffer_size(b) - start;
- return mutable_buffer(new_data, new_size
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , b.get_debug_check()
- #endif
- );
- }
- inline mutable_buffer operator+(std::size_t start, const mutable_buffer& b)
- {
- if (start > buffer_size(b))
- return mutable_buffer();
- char* new_data = buffer_cast<char*>(b) + start;
- std::size_t new_size = buffer_size(b) - start;
- return mutable_buffer(new_data, new_size
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , b.get_debug_check()
- #endif
- );
- }
- class mutable_buffers_1
- : public mutable_buffer
- {
- public:
-
- typedef mutable_buffer value_type;
-
- typedef const mutable_buffer* const_iterator;
-
- mutable_buffers_1(void* data, std::size_t size)
- : mutable_buffer(data, size)
- {
- }
-
- explicit mutable_buffers_1(const mutable_buffer& b)
- : mutable_buffer(b)
- {
- }
-
- const_iterator begin() const
- {
- return this;
- }
-
- const_iterator end() const
- {
- return begin() + 1;
- }
- };
- class const_buffer
- {
- public:
-
- const_buffer()
- : data_(0),
- size_(0)
- {
- }
-
- const_buffer(const void* data, std::size_t size)
- : data_(data),
- size_(size)
- {
- }
-
- const_buffer(const mutable_buffer& b)
- : data_(boost::asio::detail::buffer_cast_helper(b)),
- size_(boost::asio::detail::buffer_size_helper(b))
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , debug_check_(b.get_debug_check())
- #endif
- {
- }
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- const_buffer(const void* data, std::size_t size,
- boost::function<void()> debug_check)
- : data_(data),
- size_(size),
- debug_check_(debug_check)
- {
- }
- const boost::function<void()>& get_debug_check() const
- {
- return debug_check_;
- }
- #endif
- private:
- friend const void* boost::asio::detail::buffer_cast_helper(
- const const_buffer& b);
- friend std::size_t boost::asio::detail::buffer_size_helper(
- const const_buffer& b);
- const void* data_;
- std::size_t size_;
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- boost::function<void()> debug_check_;
- #endif
- };
- namespace detail {
- inline const void* buffer_cast_helper(const const_buffer& b)
- {
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- if (b.size_ && b.debug_check_)
- b.debug_check_();
- #endif
- return b.data_;
- }
- inline std::size_t buffer_size_helper(const const_buffer& b)
- {
- return b.size_;
- }
- }
- template <typename PointerToPodType>
- inline PointerToPodType buffer_cast(const const_buffer& b)
- {
- return static_cast<PointerToPodType>(detail::buffer_cast_helper(b));
- }
- inline std::size_t buffer_size(const const_buffer& b)
- {
- return detail::buffer_size_helper(b);
- }
- inline const_buffer operator+(const const_buffer& b, std::size_t start)
- {
- if (start > buffer_size(b))
- return const_buffer();
- const char* new_data = buffer_cast<const char*>(b) + start;
- std::size_t new_size = buffer_size(b) - start;
- return const_buffer(new_data, new_size
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , b.get_debug_check()
- #endif
- );
- }
- inline const_buffer operator+(std::size_t start, const const_buffer& b)
- {
- if (start > buffer_size(b))
- return const_buffer();
- const char* new_data = buffer_cast<const char*>(b) + start;
- std::size_t new_size = buffer_size(b) - start;
- return const_buffer(new_data, new_size
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , b.get_debug_check()
- #endif
- );
- }
- class const_buffers_1
- : public const_buffer
- {
- public:
-
- typedef const_buffer value_type;
-
- typedef const const_buffer* const_iterator;
-
- const_buffers_1(const void* data, std::size_t size)
- : const_buffer(data, size)
- {
- }
-
- explicit const_buffers_1(const const_buffer& b)
- : const_buffer(b)
- {
- }
-
- const_iterator begin() const
- {
- return this;
- }
-
- const_iterator end() const
- {
- return begin() + 1;
- }
- };
- class null_buffers
- {
- public:
-
- typedef mutable_buffer value_type;
-
- typedef const mutable_buffer* const_iterator;
-
- const_iterator begin() const
- {
- return &buf_;
- }
-
- const_iterator end() const
- {
- return &buf_;
- }
- private:
- mutable_buffer buf_;
- };
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- namespace detail {
- template <typename Iterator>
- class buffer_debug_check
- {
- public:
- buffer_debug_check(Iterator iter)
- : iter_(iter)
- {
- }
- ~buffer_debug_check()
- {
- #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
-
-
-
- iter_ = Iterator();
- #endif
- }
- void operator()()
- {
- *iter_;
- }
- private:
- Iterator iter_;
- };
- }
- #endif
- inline mutable_buffers_1 buffer(const mutable_buffer& b)
- {
- return mutable_buffers_1(b);
- }
- inline mutable_buffers_1 buffer(const mutable_buffer& b,
- std::size_t max_size_in_bytes)
- {
- return mutable_buffers_1(
- mutable_buffer(buffer_cast<void*>(b),
- buffer_size(b) < max_size_in_bytes
- ? buffer_size(b) : max_size_in_bytes
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , b.get_debug_check()
- #endif
- ));
- }
- inline const_buffers_1 buffer(const const_buffer& b)
- {
- return const_buffers_1(b);
- }
- inline const_buffers_1 buffer(const const_buffer& b,
- std::size_t max_size_in_bytes)
- {
- return const_buffers_1(
- const_buffer(buffer_cast<const void*>(b),
- buffer_size(b) < max_size_in_bytes
- ? buffer_size(b) : max_size_in_bytes
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , b.get_debug_check()
- #endif
- ));
- }
- inline mutable_buffers_1 buffer(void* data, std::size_t size_in_bytes)
- {
- return mutable_buffers_1(mutable_buffer(data, size_in_bytes));
- }
- inline const_buffers_1 buffer(const void* data,
- std::size_t size_in_bytes)
- {
- return const_buffers_1(const_buffer(data, size_in_bytes));
- }
- template <typename PodType, std::size_t N>
- inline mutable_buffers_1 buffer(PodType (&data)[N])
- {
- return mutable_buffers_1(mutable_buffer(data, N * sizeof(PodType)));
- }
-
- template <typename PodType, std::size_t N>
- inline mutable_buffers_1 buffer(PodType (&data)[N],
- std::size_t max_size_in_bytes)
- {
- return mutable_buffers_1(
- mutable_buffer(data,
- N * sizeof(PodType) < max_size_in_bytes
- ? N * sizeof(PodType) : max_size_in_bytes));
- }
-
- template <typename PodType, std::size_t N>
- inline const_buffers_1 buffer(const PodType (&data)[N])
- {
- return const_buffers_1(const_buffer(data, N * sizeof(PodType)));
- }
- template <typename PodType, std::size_t N>
- inline const_buffers_1 buffer(const PodType (&data)[N],
- std::size_t max_size_in_bytes)
- {
- return const_buffers_1(
- const_buffer(data,
- N * sizeof(PodType) < max_size_in_bytes
- ? N * sizeof(PodType) : max_size_in_bytes));
- }
- #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582)) \
- || BOOST_WORKAROUND(__SUNPRO_CC, BOOST_TESTED_AT(0x590))
- namespace detail {
- template <bool IsConst>
- struct buffer_types_base;
- template <>
- struct buffer_types_base<false>
- {
- typedef mutable_buffer buffer_type;
- typedef mutable_buffers_1 container_type;
- };
- template <>
- struct buffer_types_base<true>
- {
- typedef const_buffer buffer_type;
- typedef const_buffers_1 container_type;
- };
- template <typename PodType>
- struct buffer_types
- : public buffer_types_base<boost::is_const<PodType>::value>
- {
- };
- }
- template <typename PodType, std::size_t N>
- inline typename detail::buffer_types<PodType>::container_type
- buffer(boost::array<PodType, N>& data)
- {
- typedef typename boost::asio::detail::buffer_types<PodType>::buffer_type
- buffer_type;
- typedef typename boost::asio::detail::buffer_types<PodType>::container_type
- container_type;
- return container_type(
- buffer_type(data.c_array(), data.size() * sizeof(PodType)));
- }
- template <typename PodType, std::size_t N>
- inline typename detail::buffer_types<PodType>::container_type
- buffer(boost::array<PodType, N>& data, std::size_t max_size_in_bytes)
- {
- typedef typename boost::asio::detail::buffer_types<PodType>::buffer_type
- buffer_type;
- typedef typename boost::asio::detail::buffer_types<PodType>::container_type
- container_type;
- return container_type(
- buffer_type(data.c_array(),
- data.size() * sizeof(PodType) < max_size_in_bytes
- ? data.size() * sizeof(PodType) : max_size_in_bytes));
- }
- #else
-
- template <typename PodType, std::size_t N>
- inline mutable_buffers_1 buffer(boost::array<PodType, N>& data)
- {
- return mutable_buffers_1(
- mutable_buffer(data.c_array(), data.size() * sizeof(PodType)));
- }
- template <typename PodType, std::size_t N>
- inline mutable_buffers_1 buffer(boost::array<PodType, N>& data,
- std::size_t max_size_in_bytes)
- {
- return mutable_buffers_1(
- mutable_buffer(data.c_array(),
- data.size() * sizeof(PodType) < max_size_in_bytes
- ? data.size() * sizeof(PodType) : max_size_in_bytes));
- }
- template <typename PodType, std::size_t N>
- inline const_buffers_1 buffer(boost::array<const PodType, N>& data)
- {
- return const_buffers_1(
- const_buffer(data.data(), data.size() * sizeof(PodType)));
- }
- template <typename PodType, std::size_t N>
- inline const_buffers_1 buffer(boost::array<const PodType, N>& data,
- std::size_t max_size_in_bytes)
- {
- return const_buffers_1(
- const_buffer(data.data(),
- data.size() * sizeof(PodType) < max_size_in_bytes
- ? data.size() * sizeof(PodType) : max_size_in_bytes));
- }
- #endif
-
- template <typename PodType, std::size_t N>
- inline const_buffers_1 buffer(const boost::array<PodType, N>& data)
- {
- return const_buffers_1(
- const_buffer(data.data(), data.size() * sizeof(PodType)));
- }
- template <typename PodType, std::size_t N>
- inline const_buffers_1 buffer(const boost::array<PodType, N>& data,
- std::size_t max_size_in_bytes)
- {
- return const_buffers_1(
- const_buffer(data.data(),
- data.size() * sizeof(PodType) < max_size_in_bytes
- ? data.size() * sizeof(PodType) : max_size_in_bytes));
- }
- template <typename PodType, typename Allocator>
- inline mutable_buffers_1 buffer(std::vector<PodType, Allocator>& data)
- {
- return mutable_buffers_1(
- mutable_buffer(data.size() ? &data[0] : 0, data.size() * sizeof(PodType)
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , detail::buffer_debug_check<
- typename std::vector<PodType, Allocator>::iterator
- >(data.begin())
- #endif
- ));
- }
- template <typename PodType, typename Allocator>
- inline mutable_buffers_1 buffer(std::vector<PodType, Allocator>& data,
- std::size_t max_size_in_bytes)
- {
- return mutable_buffers_1(
- mutable_buffer(data.size() ? &data[0] : 0,
- data.size() * sizeof(PodType) < max_size_in_bytes
- ? data.size() * sizeof(PodType) : max_size_in_bytes
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , detail::buffer_debug_check<
- typename std::vector<PodType, Allocator>::iterator
- >(data.begin())
- #endif
- ));
- }
- template <typename PodType, typename Allocator>
- inline const_buffers_1 buffer(
- const std::vector<PodType, Allocator>& data)
- {
- return const_buffers_1(
- const_buffer(data.size() ? &data[0] : 0, data.size() * sizeof(PodType)
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , detail::buffer_debug_check<
- typename std::vector<PodType, Allocator>::const_iterator
- >(data.begin())
- #endif
- ));
- }
- template <typename PodType, typename Allocator>
- inline const_buffers_1 buffer(
- const std::vector<PodType, Allocator>& data, std::size_t max_size_in_bytes)
- {
- return const_buffers_1(
- const_buffer(data.size() ? &data[0] : 0,
- data.size() * sizeof(PodType) < max_size_in_bytes
- ? data.size() * sizeof(PodType) : max_size_in_bytes
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , detail::buffer_debug_check<
- typename std::vector<PodType, Allocator>::const_iterator
- >(data.begin())
- #endif
- ));
- }
- inline const_buffers_1 buffer(const std::string& data)
- {
- return const_buffers_1(const_buffer(data.data(), data.size()
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , detail::buffer_debug_check<std::string::const_iterator>(data.begin())
- #endif
- ));
- }
- inline const_buffers_1 buffer(const std::string& data,
- std::size_t max_size_in_bytes)
- {
- return const_buffers_1(
- const_buffer(data.data(),
- data.size() < max_size_in_bytes
- ? data.size() : max_size_in_bytes
- #if defined(BOOST_ASIO_ENABLE_BUFFER_DEBUGGING)
- , detail::buffer_debug_check<std::string::const_iterator>(data.begin())
- #endif
- ));
- }
- }
- }
- #include <boost/asio/detail/pop_options.hpp>
- #endif
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