BoolTypeInfo.hpp

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/***************************************************************************
  tag: The SourceWorks  Tue Sep 7 00:55:18 CEST 2010  BoolTypeInfo.hpp

                        BoolTypeInfo.hpp -  description
                           -------------------
    begin                : Tue September 07 2010
    copyright            : (C) 2010 The SourceWorks
    email                : peter@thesourceworks.com

 ***************************************************************************
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#include "../types/Types.hpp"
#include "StdTypeInfo.hpp"
#include <ostream>
#include <istream>

namespace RTT
{
    namespace types
    {

        struct BoolTypeInfo: public StdTypeInfo<bool>
        {
            BoolTypeInfo() :
                StdTypeInfo<bool> ("bool")
            {
            }

            virtual std::ostream& write(std::ostream& os, base::DataSourceBase::shared_ptr in) const
            {
#ifdef OS_HAVE_STREAMS
                internal::DataSource<bool>::shared_ptr d = boost::dynamic_pointer_cast< internal::DataSource<bool> >(in);
                if (d)
                    return os << std::boolalpha << d->value();
#endif
                return os;
            }

            virtual std::istream& read(std::istream& os, base::DataSourceBase::shared_ptr out) const
            {
#ifdef OS_HAVE_STREAMS
                internal::AssignableDataSource<bool>::shared_ptr d = boost::dynamic_pointer_cast< internal::AssignableDataSource<bool> >(out);
                if (d)
                {
                    std::boolalpha(os);
                    os >> d->set();
                    d->updated(); // because use of set().
                }
#endif
                return os;
            }

            virtual bool isStreamable() const {
                return true;
            }

        };

    }
}