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// Copyright (C) 2003--2004 Ronan Collobert (collober@idiap.ch)
//
// This file is part of Torch 3.1.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. The name of the author may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef DISK_X_FILE_INC
#define DISK_X_FILE_INC
#include "XFile.h"
namespace Torch {
/** A file on the disk.
@author Ronan Collobert (collober@idiap.ch)
*/
class DiskXFile : public XFile
{
private:
static bool is_native_mode;
char *buffer_block;
int buffer_block_size;
void reverseMemory(void *ptr_, int block_size, int n_blocks);
public:
FILE *file;
bool is_opened;
bool its_a_pipe;
/// Open "file_name" with the flags #open_flags#
DiskXFile(const char *file_name, const char *open_flags);
/// Use the given file...
DiskXFile(FILE *file_);
//-----
/// Returns #true# if the processor uses the little endian coding format.
static bool isLittleEndianProcessor();
/// Returns #true# if the processor uses the big endian coding format.
static bool isBigEndianProcessor();
/// Returns #true# if we'll load/save using the native mode.
static bool isNativeMode();
/** We'll load/save using native mode.
We use little endian iff the computer uses little endian.
We use big endian iff the computer uses big endian.
*/
static void setNativeMode();
/** We'll load/save using little endian mode.
It means that if the computer doesn't use Little Endian,
data will be converted.
*/
static void setLittleEndianMode();
/** We'll load/save using big endian mode.
It means that if the computer doesn't use Big Endian,
data will be converted.
*/
static void setBigEndianMode();
//-----
virtual int read(void *ptr, int block_size, int n_blocks);
virtual int write(void *ptr, int block_size, int n_blocks);
virtual int eof();
virtual int flush();
virtual int seek(long offset, int whence);
virtual long tell();
virtual void rewind();
virtual int printf(const char *format, ...);
virtual int scanf(const char *format, void *ptr) ;
virtual char *gets(char *dest, int size_);
//-----
virtual ~DiskXFile();
};
}
#endif
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