lux-lsp 0.40.1

LSP server for Lux
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use std::{
    fs,
    ops::{Deref, DerefMut},
    path::Path,
};

// NOTE: We can't use the `tempfile` crate because it doesn't support creating
// named files without adding its own random bytes.

/// Wrapper around a temporary file that gets deleted when the file is dropped.
pub struct TempFile {
    file: fs::File,
    path: std::path::PathBuf,
}

impl TempFile {
    pub fn create(path: &Path) -> std::io::Result<Self> {
        let path = path.into();
        let file = fs::File::create(&path)?;
        Ok(Self { file, path })
    }
}

impl Deref for TempFile {
    type Target = fs::File;

    fn deref(&self) -> &Self::Target {
        &self.file
    }
}

impl DerefMut for TempFile {
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.file
    }
}

impl Drop for TempFile {
    fn drop(&mut self) {
        let _ = fs::remove_file(&self.path);
    }
}