read_until.hpp

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//
// 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_READ_UNTIL_HPP
#define ASIO_READ_UNTIL_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include "asio/detail/config.hpp"

#if !defined(ASIO_NO_IOSTREAM)

#include <cstddef>
#include <string>
#include "asio/async_result.hpp"
#include "asio/basic_streambuf.hpp"
#include "asio/detail/regex_fwd.hpp"
#include "asio/detail/type_traits.hpp"
#include "asio/error.hpp"

#include "asio/detail/push_options.hpp"

namespace asio {

namespace detail
{
  char (&has_result_type_helper(...))[2];

  template <typename T>
  char has_result_type_helper(T*, typename T::result_type* = 0);

  template <typename T>
  struct has_result_type
  {
    enum { value = (sizeof((has_result_type_helper)((T*)(0))) == 1) };
  };
} // namespace detail

template <typename T>
struct is_match_condition
{
#if defined(GENERATING_DOCUMENTATION)
  static const bool value;
#else
  enum
  {
    value = asio::is_function<
        typename asio::remove_pointer<T>::type>::value
      || detail::has_result_type<T>::value
  };
#endif
};



template <typename SyncReadStream, typename Allocator>
std::size_t read_until(SyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, char delim);


template <typename SyncReadStream, typename Allocator>
std::size_t read_until(SyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, char delim,
    asio::error_code& ec);


template <typename SyncReadStream, typename Allocator>
std::size_t read_until(SyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, const std::string& delim);


template <typename SyncReadStream, typename Allocator>
std::size_t read_until(SyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, const std::string& delim,
    asio::error_code& ec);

#if defined(ASIO_HAS_BOOST_REGEX) \
  || defined(GENERATING_DOCUMENTATION)


template <typename SyncReadStream, typename Allocator>
std::size_t read_until(SyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, const boost::regex& expr);


template <typename SyncReadStream, typename Allocator>
std::size_t read_until(SyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, const boost::regex& expr,
    asio::error_code& ec);

#endif // defined(ASIO_HAS_BOOST_REGEX)
       // || defined(GENERATING_DOCUMENTATION)


template <typename SyncReadStream, typename Allocator, typename MatchCondition>
std::size_t read_until(SyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, MatchCondition match_condition,
    typename enable_if<is_match_condition<MatchCondition>::value>::type* = 0);


template <typename SyncReadStream, typename Allocator, typename MatchCondition>
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* = 0);



template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
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);


template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
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);

#if defined(ASIO_HAS_BOOST_REGEX) \
  || defined(GENERATING_DOCUMENTATION)


template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
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);

#endif // defined(ASIO_HAS_BOOST_REGEX)
       // || defined(GENERATING_DOCUMENTATION)


template <typename AsyncReadStream, typename Allocator,
    typename MatchCondition, typename ReadHandler>
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* = 0);

} // namespace asio

#include "asio/detail/pop_options.hpp"

#include "asio/impl/read_until.hpp"

#endif // !defined(ASIO_NO_IOSTREAM)

#endif // ASIO_READ_UNTIL_HPP