istream.hpp

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//  Copyright (c) 2005-2009 Hartmut Kaiser
//  Copyright (c) 2007 Ole Weidner (oweidner@cct.lsu.edu)
// 
//  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)

#if !defined(SAGA_PACKAGES_JOB_ADAPTORS_ISTREAM_HPP)
#define SAGA_PACKAGES_JOB_ADAPTORS_ISTREAM_HPP

#include <iosfwd>

#include <boost/config.hpp>

#include <saga/saga/util.hpp>
#include <saga/saga/base.hpp>
#include <saga/saga/packages/job/config.hpp>

// suppress warnings about dependent classes not being exported from the dll
#if defined(BOOST_MSVC)
#pragma warning(push)
#pragma warning(disable: 4251 4231 4275 4660)
#endif

namespace saga { namespace job 
{
    class SAGA_JOB_PACKAGE_EXPORT istream 
        : public std::basic_istream<char>
    {
    private:
        typedef std::basic_istream<char> base_type;
        TR1::shared_ptr<saga::impl::istream_interface> impl_;
        
#if defined(BOOST_WINDOWS)
        typedef void* handle_type;
#else
        typedef int handle_type;
#endif

    public:
         handle_type get_handle() const;

    private:
         friend struct saga::impl::job_runtime;    // needed to allow access to get_handle
         
    protected:

        istream(saga::impl::istream_interface *impl);
        
    public:
        istream();
        
        istream(istream const& rhs);
        
        istream& operator=(istream const& rhs);
    };

}}    // namespace saga

// re-enable warnings about dependent classes not being exported from the dll
#if defined(BOOST_MSVC)
#pragma warning(pop)
#endif

#endif // !defined(SAGA_PACKAGES_JOB_ADAPTORS_ISTREAM_HPP)

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