read_until.hpp

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//
// read_until.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 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/push_options.hpp"

#include "asio/detail/push_options.hpp"
#include <cstddef>
#include <boost/config.hpp>
#include <boost/regex.hpp>
#include <boost/type_traits/is_function.hpp>
#include <boost/type_traits/remove_pointer.hpp>
#include <boost/utility/enable_if.hpp>
#include <string>
#include "asio/detail/pop_options.hpp"

#include "asio/basic_streambuf.hpp"
#include "asio/error.hpp"

namespace asio {

namespace detail
{
  template <typename T>
  struct has_result_type
  {
    struct big { char a[100]; };
    template <typename U> static big helper(U, ...);
    template <typename U> static char helper(U, typename U::result_type* = 0);
    static const T& ref();
    enum { value = (sizeof((helper)((ref)())) == 1) };
  };
} // namespace detail

template <typename T>
struct is_match_condition
{
#if defined(GENERATING_DOCUMENTATION)

  static const bool value;
#else
  enum
  {
    value = boost::is_function<typename boost::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);


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);


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



template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
void async_read_until(AsyncReadStream& s,
    asio::basic_streambuf<Allocator>& b,
    char delim, ReadHandler handler);


template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
void async_read_until(AsyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, const std::string& delim,
    ReadHandler handler);


template <typename AsyncReadStream, typename Allocator, typename ReadHandler>
void async_read_until(AsyncReadStream& s,
    asio::basic_streambuf<Allocator>& b, const boost::regex& expr,
    ReadHandler handler);


template <typename AsyncReadStream, typename Allocator,
    typename MatchCondition, typename ReadHandler>
void async_read_until(AsyncReadStream& s,
    asio::basic_streambuf<Allocator>& b,
    MatchCondition match_condition, ReadHandler handler,
    typename boost::enable_if<is_match_condition<MatchCondition> >::type* = 0);

} // namespace asio

#include "asio/impl/read_until.ipp"

#include "asio/detail/pop_options.hpp"

#endif // ASIO_READ_UNTIL_HPP