/* -*- Mode: C++ -*- */
/*
* libopenraw - file.h
*
* Copyright (C) 2006-2016 Hubert Figuière
*
* 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 3 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, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef OR_INTERNALS_IO_FILE_H_
#define OR_INTERNALS_IO_FILE_H_
#include <stddef.h>
#include <sys/types.h>
#include <libopenraw/io.h>
#include "stream.hpp"
namespace OpenRaw {
namespace IO {
/** file IO stream */
class File : public Stream {
public:
/** Contruct the file
* @param filename the full pathname for the file
*/
File(const char *filename);
virtual ~File();
File(const File &f) = delete;
File &operator=(const File &) = delete;
// file APIs
/** open the file */
virtual Error open() override;
/** close the file */
virtual int close() override;
/** seek in the file. Semantics are similar to POSIX */
virtual int seek(off_t offset, int whence) override;
/** read in the file. Semantics are similar to POSIX */
virtual int read(void *buf, size_t count) override;
virtual off_t filesize() override;
//virtual void *mmap(size_t l, off_t offset) override;
//virtual int munmap(void *addr, size_t l) override;
private:
/** the interface to the C io */
::io_methods *m_methods;
/** the C io file handle */
::IOFileRef m_ioRef;
};
}
}
#endif