fancy_tree/lua/
interop.rs

1//! Crate for interoperability between non-config types and the Lua config files.
2use crate::tree::Entry;
3use crate::tree::entry::Attributes;
4use mlua::{IntoLua, Lua};
5use std::path::Path;
6
7/// FileAttributes tracks various file stats.
8pub struct FileAttributes<'a, P: AsRef<Path>>(&'a Entry<P>);
9
10impl<'a, P> FileAttributes<'a, P>
11where
12    P: AsRef<Path>,
13{
14    /// Is the file hidden?
15    #[inline]
16    fn is_hidden(&self) -> bool {
17        self.0.is_hidden()
18    }
19
20    /// Is the file an executable?
21    #[inline]
22    fn is_executable(&self) -> bool {
23        self.0.is_executable()
24    }
25
26    /// What is the file type (string enum)?
27    fn file_type(&self) -> &str {
28        const DIRECTORY: &str = "directory";
29        const FILE: &str = "file";
30        const SYMLINK: &str = "symlink";
31
32        match self.0.attributes() {
33            Attributes::Directory(_) => DIRECTORY,
34            Attributes::File(_) => FILE,
35            Attributes::Symlink(_) => SYMLINK,
36        }
37    }
38
39    /// The file's code language.
40    fn language(&self) -> Option<&'static str> {
41        self.0
42            .attributes()
43            .file()
44            .and_then(|file| file.language())
45            .map(|language| language.name())
46    }
47}
48
49impl<'a, P> IntoLua for FileAttributes<'a, P>
50where
51    P: AsRef<Path>,
52{
53    fn into_lua(self, lua: &Lua) -> mlua::Result<mlua::Value> {
54        let table = lua.create_table()?;
55        table.set("is_hidden", self.is_hidden())?;
56        table.set("is_executable", self.is_executable())?;
57        table.set("file_type", self.file_type())?;
58        table.set("language", self.language())?;
59        let table = mlua::Value::Table(table);
60        Ok(table)
61    }
62}
63
64impl<'a, P> From<&'a Entry<P>> for FileAttributes<'a, P>
65where
66    P: AsRef<Path>,
67{
68    #[inline]
69    fn from(value: &'a Entry<P>) -> Self {
70        Self(value)
71    }
72}
fancy_tree/lua/interop.rs

fancy_tree/lua/
interop.rs
