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pandatool/src/progbase/withOutputFile.h

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// Filename: withOutputFile.h
// Created by:  drose (11Apr01)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////

#ifndef WITHOUTPUTFILE_H
#define WITHOUTPUTFILE_H

#include "pandatoolbase.h"

#include "programBase.h"
#include "filename.h"

////////////////////////////////////////////////////////////////////
//       Class : WithOutputFile
// Description : This is the bare functionality (intended to be
//               inherited from along with ProgramBase or some
//               derivative) for a program that might generate an
//               output file.
//
//               This provides the has_output_filename() and
//               get_output_filename() methods.
////////////////////////////////////////////////////////////////////
class WithOutputFile {
public:
  WithOutputFile(bool allow_last_param, bool allow_stdout,
                 bool binary_output);
  virtual ~WithOutputFile();

  ostream &get_output();
  bool has_output_filename() const;
  Filename get_output_filename() const;

protected:
  bool check_last_arg(ProgramBase::Args &args, int minimum_args);
  bool verify_output_file_safe() const;

protected:
  bool _allow_last_param;
  bool _allow_stdout;
  bool _binary_output;
  string _preferred_extension;
  bool _got_output_filename;
  Filename _output_filename;

private:
  ofstream _output_stream;
  ostream *_output_ptr;
};

#endif

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