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withOutputFile.h
00001 // Filename: withOutputFile.h
00002 // Created by:  drose (11Apr01)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef WITHOUTPUTFILE_H
00016 #define WITHOUTPUTFILE_H
00017 
00018 #include "pandatoolbase.h"
00019 
00020 #include "programBase.h"
00021 #include "filename.h"
00022 
00023 ////////////////////////////////////////////////////////////////////
00024 //       Class : WithOutputFile
00025 // Description : This is the bare functionality (intended to be
00026 //               inherited from along with ProgramBase or some
00027 //               derivative) for a program that might generate an
00028 //               output file.
00029 //
00030 //               This provides the has_output_filename() and
00031 //               get_output_filename() methods.
00032 ////////////////////////////////////////////////////////////////////
00033 class WithOutputFile {
00034 public:
00035   WithOutputFile(bool allow_last_param, bool allow_stdout,
00036                  bool binary_output);
00037   virtual ~WithOutputFile();
00038 
00039   ostream &get_output();
00040   void close_output();
00041   bool has_output_filename() const;
00042   Filename get_output_filename() const;
00043 
00044 protected:
00045   INLINE void set_binary_output(bool binary_output);
00046 
00047   bool check_last_arg(ProgramBase::Args &args, int minimum_args);
00048   bool verify_output_file_safe() const;
00049 
00050 protected:
00051   bool _allow_last_param;
00052   bool _allow_stdout;
00053   bool _binary_output;
00054   string _preferred_extension;
00055   bool _got_output_filename;
00056   Filename _output_filename;
00057 
00058 private:
00059   ofstream _output_stream;
00060   ostream *_output_ptr;
00061   bool _owns_output_ptr;
00062 };
00063 
00064 #include "withOutputFile.I"
00065 
00066 #endif
00067 
00068 
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