libaegis/output/file.h

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//
//      aegis - project change supervisor
//      Copyright (C) 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 LIBAEGIS_OUTPUT_FILE_H
#define LIBAEGIS_OUTPUT_FILE_H

#include <common/nstring.h>
#include <libaegis/output.h>

struct nstring; // forward

class output_file:
    public output
{
public:
    virtual ~output_file();

private:
    output_file(const nstring &file_name, bool binary = false);

public:
    static output::pointer open(const nstring &fn, bool binary = false);

    static inline output::pointer
    text_open(string_ty *fn)
    {
        return open(nstring(fn), false);
    }

    static inline output::pointer
    text_open(const nstring &fn)
    {
        return open(fn, false);
    }

    inline static output::pointer
    binary_open(string_ty *fn)
    {
        return open(nstring(fn), true);
    }

    inline static output::pointer
    binary_open(const nstring &fn)
    {
        return open(fn, true);
    }

protected:
    // See base class for documentation.
    nstring filename() const;

    // See base class for documentation.
    const char *type_name() const;

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

    // See base class for documentation.
    void write_inner(const void *data, size_t length);

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

    // See base class for documentation.
    int page_width() const;

    // See base class for documentation.
    int page_length() const;

private:
    nstring file_name;

    int fd;

    bool bol;

    size_t pos;

    output_file();

    output_file(const output_file &);

    output_file &operator=(const output_file &);
};

#endif // LIBAEGIS_OUTPUT_FILE_H

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