/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

use std::cmp::Ordering;
use std::fmt;

#[derive(Debug, Clone, PartialEq, Eq, Hash)]
pub struct Path {
    name: String,
}

impl Path {
    pub fn new<T>(name: T) -> Self
    where
        String: From<T>,
    {
        Self { name: name.into() }
    }

    pub fn name(&self) -> &str {
        &self.name
    }

    pub fn replace_self_with(&mut self, path: &Self) -> bool {
        if self.name() != "Self" {
            return false;
        }
        *self = path.clone();
        true
    }
}

impl PartialOrd for Path {
    fn partial_cmp(&self, other: &Path) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl Ord for Path {
    fn cmp(&self, other: &Path) -> Ordering {
        self.name.cmp(&other.name)
    }
}

impl fmt::Display for Path {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.name)
    }
}