reader.cc

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//
// 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 12:47:00 1999
// commit: $Id: reader.cc 10065 2007-04-12 05:54:56Z rjpeters $
// $HeadURL: file:///lab/rjpeters/svnrepo/code/trunk/groovx/src/io/reader.cc $
//
// --------------------------------------------------------------------
//
// 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_CC_UTC20050626084021_DEFINED
#define GROOVX_IO_READER_CC_UTC20050626084021_DEFINED

#include "io/reader.h"

#include "rutz/base64.h"
#include "rutz/bytearray.h"
#include "rutz/error.h"
#include "rutz/sfmt.h"

#include "rutz/trace.h"
#include "rutz/debug.h"
GVX_DBG_REGISTER

namespace io
{
  class read_version_error : public rutz::error
  {
  public:
    read_version_error(const char* classname,
                       io::version_id attempted_id,
                       io::version_id lowest_supported_id,
                       const char* msg,
                       const rutz::file_pos& pos);

    virtual ~read_version_error() throw();
  };
}

io::read_version_error::read_version_error(const char* classname,
                                           io::version_id attempted_id,
                                           io::version_id lowest_supported_id,
                                           const char* info,
                                           const rutz::file_pos& pos) :
  rutz::error(pos)
{
  const rutz::fstring m =
    rutz::sfmt("io::read_version_error: in %s, serial version %ld "
               "is not supported. The lowest supported version "
               "is %ld. %s",
               classname, attempted_id, lowest_supported_id, info);
  this->set_msg(m);
}

io::read_version_error::~read_version_error() throw() {}

io::reader::~reader() throw() {}

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

  io::version_id actual_version = this->input_version_id();

  if (actual_version < lowest_supported_version)
    throw io::read_version_error(name, actual_version,
                                 lowest_supported_version, msg,
                                 pos);

  GVX_ASSERT(actual_version >= lowest_supported_version);

  return actual_version;
}

void io::reader::default_read_byte_array(const rutz::fstring& name,
                                    rutz::byte_array& data)
{
GVX_TRACE("io::reader::default_read_byte_array");

  rutz::fstring encoded = read_string_impl(name);
  rutz::base64_decode(encoded.c_str(), encoded.length(),
                      data);
}

static const char __attribute__((used)) vcid_groovx_io_reader_cc_utc20050626084021[] = "$Id: reader.cc 10065 2007-04-12 05:54:56Z rjpeters $ $HeadURL: file:
#endif // !GROOVX_IO_READER_CC_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.