FXIO.h

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/********************************************************************************
*                                                                               *
*                        I / O   D e v i c e   C l a s s                        *
*                                                                               *
*********************************************************************************
* Copyright (C) 2005,2006 by Jeroen van der Zijp.   All Rights Reserved.        *
*********************************************************************************
* This library is free software; you can redistribute it and/or                 *
* modify it under the terms of the GNU Lesser General Public                    *
* License as published by the Free Software Foundation; either                  *
* version 2.1 of the License, or (at your option) any later version.            *
*                                                                               *
* This library 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             *
* Lesser General Public License for more details.                               *
*                                                                               *
* You should have received a copy of the GNU Lesser General Public              *
* License along with this library; if not, write to the Free Software           *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
*********************************************************************************
* $Id: FXIO.h,v 1.8 2006/01/22 17:58:04 fox Exp $                               *
********************************************************************************/
#ifndef FXIO_H
#define FXIO_H



namespace FX {


class FXAPI FXIO {
protected:
  FXInputHandle device;         // Device (file/pipe/socket/whatever)
  FXuint        access;         // Access being performed
private:
  FXIO(const FXIO&);
  FXIO &operator=(const FXIO&);
public:

  enum {

    OtherRead      = 0x00004,   
    OtherWrite     = 0x00002,   
    OtherExec      = 0x00001,   
    OtherReadWrite = 0x00006,   
    OtherFull      = 0x00007,   

    GroupRead      = 0x00020,   
    GroupWrite     = 0x00010,   
    GroupExec      = 0x00008,   
    GroupReadWrite = 0x00030,   
    GroupFull      = 0x00038,   

    OwnerRead      = 0x00100,   
    OwnerWrite     = 0x00080,   
    OwnerExec      = 0x00040,   
    OwnerReadWrite = 0x00180,   
    OwnerFull      = 0x001C0,   

    Hidden         = 0x00200,   
    Directory      = 0x00400,   
    File           = 0x00800,   
    SymLink        = 0x01000,   

    SetUser        = 0x02000,   
    SetGroup       = 0x04000,   
    Sticky         = 0x08000,   

    Character      = 0x10000,   
    Block          = 0x20000,   
    Socket         = 0x40000,   
    Fifo           = 0x80000    
    };

  enum {

    NoAccess    =  0,                           
    ReadOnly    =  1,                           
    WriteOnly   =  2,                           
    ReadWrite   =  3,                           
    Append      =  4,                           
    Truncate    =  8,                           
    Create      = 16,                           
    Exclusive   = 32,                           
    NonBlocking = 64,                           
    TextTranslate=65536,                        

    Reading     = ReadOnly,                     
    Writing     = ReadWrite|Create|Truncate     
    };

  enum {
    Begin   = 0,                
    Current = 1,                
    End     = 2                 
    };

public:

  FXIO();

  virtual bool open(FXInputHandle handle,FXuint mode);

  virtual bool isOpen() const;

  FXuint mode() const { return access; }

  //FXInputHandle handle() const { return device; }

  //virtual void attach(FXInputHandle handle,FXuint mode);

  //virtual void detach();

  virtual FXlong position() const;

  virtual FXlong position(FXlong offset,FXuint from=FXIO::Begin);

  virtual FXival readBlock(void* data,FXival count);

  virtual FXival writeBlock(const void* data,FXival count);

  virtual FXlong truncate(FXlong size);

  virtual bool flush();

  virtual bool eof();

  virtual FXlong size();

  virtual bool close();

  virtual ~FXIO();
  };

}

#endif

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(C) 2002-2009 Niall Douglas. Some parts (C) to assorted authors.