vrpn_SendTextMessageStreamProxy.h

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//          Copyright Iowa State University 2011.
// 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)
 
#pragma once
 
// Internal Includes
#include "vrpn_BaseClass.h"
 
// Library/third-party includes
// - none
 
// Standard includes
#include <sstream>
 
class vrpn_SendTextMessageStreamProxy {
private:
    vrpn_BaseClassUnique::SendTextMessageBoundCall const& _call;

    std::ostringstream _s;

    vrpn_SendTextMessageStreamProxy&
    operator=(vrpn_SendTextMessageStreamProxy const&);
 
public:
    template <typename T>
    vrpn_SendTextMessageStreamProxy(
        vrpn_BaseClassUnique::SendTextMessageBoundCall const& call,
        T const& firstData)
        : _call(call)
    {
        _s << firstData;
    }

    vrpn_SendTextMessageStreamProxy(
        vrpn_BaseClassUnique::SendTextMessageBoundCall const& call,
        std::string const& firstData)
        : _call(call)
        , _s(firstData)
    {
    }

    vrpn_SendTextMessageStreamProxy(
        vrpn_SendTextMessageStreamProxy const& other)
        : _call(other._call)
        , _s(other._s.str())
    {
    }

    ~vrpn_SendTextMessageStreamProxy() { _call(_s.str().c_str()); }

    template <typename T> std::ostream& operator<<(T const& other)
    {
        _s << other;
        return _s;
    }
};

template <typename T>
vrpn_SendTextMessageStreamProxy
operator<<(vrpn_BaseClassUnique::SendTextMessageBoundCall const& call,
           T const& firstData)
{
    return vrpn_SendTextMessageStreamProxy(call, firstData);
}