reader.h

Go to the documentation of this file.

//
// Copyright (c) 1999-2004 California Institute of Technology
// Copyright (c) 2004-2007 University of Southern California
// Rob Peters <rjpeters at usc dot edu>
//
// created: Mon Jun  7 12:46:08 1999
// commit: $Id: reader.h 10065 2007-04-12 05:54:56Z rjpeters $
// $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/io/reader.h $
//
// --------------------------------------------------------------------
//
// This file is part of GroovX.
//   [http://ilab.usc.edu/rjpeters/groovx/]
//
// GroovX is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// GroovX is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with GroovX; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//

#ifndef GROOVX_IO_READER_H_UTC20050626084021_DEFINED
#define GROOVX_IO_READER_H_UTC20050626084021_DEFINED

#include "io/io.h"

#include "rutz/fileposition.h"
#include "rutz/fstring.h"

namespace rutz
{
  class byte_array;
  class value;
}

namespace nub
{
  template <class T> class ref;
  template <class T> class soft_ref;
}




class io::reader
{
public:

  virtual ~reader() throw();

  int ensure_version_id(const char* name,
                        io::version_id lowest_supported_version,
                        const char* msg,
                        const rutz::file_pos& pos);

  virtual io::version_id input_version_id() = 0;

  virtual char read_char(const rutz::fstring& name) = 0;

  virtual int read_int(const rutz::fstring& name) = 0;

  virtual bool read_bool(const rutz::fstring& name) = 0;

  virtual double read_double(const rutz::fstring& name) = 0;

  virtual void read_value_obj(const rutz::fstring& name,
                            rutz::value& v) = 0;

  virtual void read_byte_array(const rutz::fstring& name,
                           rutz::byte_array& data) = 0;


  void read_value(const rutz::fstring& name, char& ret)
  { ret = read_char(name); }

  void read_value(const rutz::fstring& name, int& ret)
  { ret = read_int(name); }

  void read_value(const rutz::fstring& name, unsigned int& ret)
  { ret = read_int(name); }

  void read_value(const rutz::fstring& name, unsigned long& ret)
  { ret = read_int(name); }

  void read_value(const rutz::fstring& name, bool& ret)
  { ret = read_bool(name); }

  void read_value(const rutz::fstring& name, double& ret)
  { ret = read_double(name); }

  void read_value(const rutz::fstring& name, rutz::fstring& ret)
  { ret = read_string_impl(name); }

  void read_value(const rutz::fstring& name, rutz::value& ret)
  { read_value_obj(name, ret); }


  virtual nub::ref<io::serializable> read_object(const rutz::fstring& name) = 0;

  virtual nub::soft_ref<io::serializable> read_weak_object(const rutz::fstring& name) = 0;

  virtual void read_owned_object(const rutz::fstring& name,
                               nub::ref<io::serializable> obj) = 0;

  virtual void read_base_class(const rutz::fstring& base_class_name,
                               nub::ref<io::serializable> base_part) = 0;

  virtual nub::ref<io::serializable> read_root(io::serializable* root=0) = 0;

protected:
  virtual rutz::fstring read_string_impl(const rutz::fstring& name) = 0;

  void default_read_byte_array(const rutz::fstring& name, rutz::byte_array& data);
};

static const char __attribute__((used)) vcid_groovx_io_reader_h_utc20050626084021[] = "$Id: reader.h 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file:
#endif // !GROOVX_IO_READER_H_UTC20050626084021_DEFINED

---

The software described here is Copyright (c) 1998-2005, Rob Peters.
This page was generated Wed Dec 3 06:49:39 2008 by Doxygen version 1.5.5.