Streams.h

Go to the documentation of this file.

// ========================================================================= //
// This file is part of MyraMath, copyright (c) 2014-2019 by Ryan A Chilton  //
// and distributed by MyraCore, LLC. See LICENSE.txt for license terms.      //
// ========================================================================= //

#ifndef MYRAMATH_IO_STREAMS_H
#define MYRAMATH_IO_STREAMS_H

#include <cstddef>

namespace myra {

// Forward declarations.
class InputStream;
class OutputStream;
template<class T> class ReaderWriter;

template<class T> class ReaderWriter
  {
  public:

    static T read(InputStream& in)
      { return T(in); }
    
    static void write(const T& t, OutputStream& out)
      { t.write(out); }
      
  };

class OutputStream
  {
  public:
    virtual void write_binary (const char* p, size_t n) = 0;
    template<class T> void write(const T& t) { ReaderWriter<T>::write(t,*this); }
  };

class InputStream
  {
  public:
    virtual void read_binary (char* p, size_t n) = 0;
    template<class T> T read() { return ReaderWriter<T>::read(*this); }
  };

template<class T> InputStream& operator >> (InputStream& in, T& t)
  { t = in.read<T>(); return in; }

template<class T> OutputStream& operator << (OutputStream& out, const T& t)
  { out.write(t); return out; }

} // namespace

#endif