aria2/src/BufferedFile.h

78 lines
2.8 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2011 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_BUFFERED_FILE_H
#define D_BUFFERED_FILE_H
#include "IOFile.h"
#include <cstdio>
namespace aria2 {
// IOFILE implementation using standard I/O functions.
class BufferedFile:public IOFile {
public:
BufferedFile(const char* filename, const char* mode);
BufferedFile(FILE* fp);
virtual ~BufferedFile();
protected:
// wrapper for fread. Using 1 for 2nd argument of fread.
virtual size_t onRead(void* ptr, size_t count) CXX11_OVERRIDE;
// wrapper for fwrite. Using 1 for 2nd argument of fwrite.
virtual size_t onWrite(const void* ptr, size_t count) CXX11_OVERRIDE;
// wrapper for fgets
virtual char* onGets(char* s, int size) CXX11_OVERRIDE;
virtual int onVprintf(const char* format, va_list va) CXX11_OVERRIDE;
// wrapper for fflush
virtual int onFlush() CXX11_OVERRIDE;
// wrapper for fclose
virtual int onClose() CXX11_OVERRIDE;
virtual bool onSupportsColor() CXX11_OVERRIDE;
virtual bool isError() const CXX11_OVERRIDE;
virtual bool isEOF() const CXX11_OVERRIDE;
virtual bool isOpen() const CXX11_OVERRIDE;
private:
// Don't allow copying;
BufferedFile(const BufferedFile&);
BufferedFile& operator=(const BufferedFile&);
FILE* fp_;
bool supportsColor_;
};
} // namespace aria2
#endif // D_BUFFERED_FILE_H