#
# diffoscope: in-depth comparison of files, archives, and directories
#
# Copyright © 2014-2015 Jérémy Bobbio <lunar@debian.org>
# Copyright © 2015-2016, 2020 Chris Lamb <lamby@debian.org>
#
# diffoscope 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.
#
# diffoscope 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 diffoscope.  If not, see <https://www.gnu.org/licenses/>.

import os
import stat

from .utils.file import File


class FilesystemFile(File):
    def __init__(self, path, container=None):
        super().__init__(container=container)
        self._name = path

    @property
    def path(self):
        return self._name

    def is_directory(self):
        return not os.path.islink(self._name) and os.path.isdir(self._name)

    def is_symlink(self):
        return os.path.islink(self._name)

    def is_device(self):
        mode = os.lstat(self._name).st_mode
        return stat.S_ISCHR(mode) or stat.S_ISBLK(mode)

    def is_socket_or_fifo(self):
        mode = os.lstat(self._name).st_mode
        return stat.S_ISSOCK(mode) or stat.S_ISFIFO(mode)
