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/*
==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--==--

Dia-Files

Copyright (C) 2019-2022  Anonymous

There are several releases over multiple years,
they are listed as ranges, such as: "2019-2022".

This program 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 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

::--::--::--::--::--::--::--::--::--::--::--::--::--::--::--::--
*/

use {
    std::path::Path,
    super::Filter,
};

/// # A [filter][::Filter] that _rejects_ symbolic link files
///
/// [::Filter]: trait.Filter.html
#[derive(Debug, Clone)]
pub struct NonSymlinkFiles {

    /// # Lock
    _lock: (),

}

impl NonSymlinkFiles {

    /// # Makes new instance
    pub const fn new() -> Self {
        Self {
            _lock: (),
        }
    }

}

impl Filter for NonSymlinkFiles {

    fn accept(&self, p: &Path) -> bool {
        if p.is_file() {
            if let Ok(true) = p.symlink_metadata().map(|m| m.file_type().is_symlink()) {
                return false;
            }
        }
        true
    }

}