libaegis/input/file.h

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//
//      aegis - project change supervisor
//      Copyright (C) 1994, 1999, 2001, 2002, 2005, 2006, 2008 Peter Miller
//
//      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 3 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, see
//      <http://www.gnu.org/licenses/>.
//

#ifndef AEGIS_INPUT_FILE_H
#define AEGIS_INPUT_FILE_H

#include <libaegis/input.h>

class input_file:
    public input_ty
{
public:
    virtual ~input_file();

    input_file(const nstring &path, bool unlink_on_close = false,
        bool empty_if_absent = false);

    // See base class for documentation.
    nstring name();

    // See base class for documentation.
    long length();

    // See base class for documentation.
    void keepalive();

    // See base class for documentation.
    long read_inner(void *data, size_t nbytes);

    // See base class for documentation.
    long ftell_inner();

    void unlink_on_close();

private:
    nstring path;
    int fd;
    bool unlink_on_close_flag;
    long pos;
    bool empty_if_absent_flag;

    input_file();

    input_file(const input_file &arg);

    input_file &operator=(const input_file &arg);
};

input input_file_open(const nstring &fn, bool unlink_on_close = false,
    bool empty_if_absent = false);

input input_file_open(struct string_ty *fn, bool unlink_on_close = false);

#endif // AEGIS_INPUT_FILE_H

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