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  • Committer: sirver
  • Date: 2002-02-05 20:54:08 UTC
  • Revision ID: git-v1:df384fd3a5e53be1f37803d1c0381fa993844bf5
Initial revision


git-svn-id: https://widelands.svn.sourceforge.net/svnroot/widelands/trunk@2 37b2a8de-5219-0410-9f54-a31bc463ab9c

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src/myfile.h
 
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/*
 
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 * Copyright (C) 2001 by Holger Rapp 
 
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 * 
 
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 * This program is free software; you can redistribute it and/or
 
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 * modify it under the terms of the GNU General Public License
 
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 * as published by the Free Software Foundation; either version 2
 
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 * of the License, or (at your option) any later version.
 
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 * 
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 * 
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
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 *
 
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 */
 
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#ifndef __S__MYFILE_H
 
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#define __S__MYFILE_H
 
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#include <stdio.h>
 
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/** class File
 
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 *
 
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 * this works for binary files
 
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 * 
 
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 */
 
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class File {
 
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                  public:
 
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                                         enum State {
 
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                                                                NOTHING, 
 
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                                                                OPEN,
 
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                                                                WRITES,
 
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                                                                READS,
 
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                                                                CLOSE,
 
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                                                                END_OF_FILE
 
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                                         };
 
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                                         enum For {
 
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                                                                READ,
 
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                                                                WRITE
 
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                                         };
 
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                                         // Constructor, Deconstructor
 
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                                         File(void);
 
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                                         virtual ~File(void);
 
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                                         // File specific functions
 
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                                         virtual void open(const char*,  For)=0;
 
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                                         virtual void close()=0;
 
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                                         virtual int read(char*, int)=0;
 
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                                         virtual int write(char*, int)=0;
 
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                                         // Common functions
 
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                                         State get_state();
 
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                  protected:
 
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                                         void set_state(State);
 
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                  private:
 
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                                         // This functions can't be called with files
 
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                                         File& operator=(const File&);
 
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                                         File(const File&);
 
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                                         State st;
 
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}; 
 
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/** A Ascii file is a file containing nothing but ascii letters
 
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 *
 
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 * This class makes sure that ascii files are treated the same under 
 
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 * Windows and Unix
 
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 *
 
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 * A Ascii File can also be read linewise
 
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 */
 
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class Ascii_file : public File {
 
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                  public:
 
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                                         Ascii_file();
 
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                                         ~Ascii_file();
 
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                                         void read_line(char*, unsigned int);
 
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                                         void open(const char*, For);
 
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                                         void close(void);
 
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                                         int read(char*, int);
 
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                                         int write(char*, int);
 
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                  private:
 
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                                         FILE* f;
 
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};
 
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/** class Binary_file
 
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 *
 
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 * Binary files are just normal files. nothing special about them
 
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 */
 
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class Binary_file : public File {
 
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                  public:
 
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                                         Binary_file();
 
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                                         ~Binary_file();
 
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                                         void open(const char*, For);
 
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                                         void close(void);
 
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                                         int read(char*, int);
 
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                                         int write(char*, int);
 
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                  private:
 
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                                         FILE* f;
 
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};
 
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#endif /* __S__MYFILE_H */