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tyt_material/
dependencies_impl.rs

1use crate::{Dependencies, Error, Result};
2use std::{
3    ffi::OsStr,
4    fs,
5    path::{Path, PathBuf},
6};
7
8#[derive(Clone, Copy, Debug, Default)]
9pub struct DependenciesImpl;
10
11impl Dependencies for DependenciesImpl {
12    fn copy_file<P1: AsRef<Path>, P2: AsRef<Path>>(&self, from: P1, to: P2) -> Result<()> {
13        fs::copy(from.as_ref(), to.as_ref())?;
14        Ok(())
15    }
16
17    fn create_temp_dir(&self) -> Result<PathBuf> {
18        Ok(tyt_injection::create_temp_dir()?)
19    }
20
21    fn exec_magick<I, S>(&self, args: I) -> Result<Vec<u8>>
22    where
23        I: IntoIterator<Item = S>,
24        S: AsRef<OsStr>,
25    {
26        tyt_injection::exec_map("magick", args, Error::IO, Error::Magick)
27    }
28
29    fn glob_single_match(&self, pattern: &str) -> Result<PathBuf> {
30        let mut matches = Vec::new();
31        for entry in glob::glob(pattern)
32            .map_err(|e| Error::Glob(format!("invalid glob pattern '{pattern}': {e}")))?
33        {
34            matches
35                .push(entry.map_err(|e| Error::Glob(format!("error reading glob result: {e}")))?);
36        }
37
38        match matches.len() {
39            0 => Err(Error::Glob(format!("missing file matching: {pattern}"))),
40            1 => Ok(matches.into_iter().next().unwrap()),
41            n => {
42                let mut msg = format!("multiple files ({n}) match '{pattern}':");
43                for f in &matches {
44                    msg.push_str(&format!("\n  {}", f.display()));
45                }
46                Err(Error::Glob(msg))
47            }
48        }
49    }
50
51    fn remove_dir_all<P: AsRef<Path>>(&self, path: P) -> Result<()> {
52        Ok(tyt_injection::remove_dir_all(path.as_ref())?)
53    }
54
55    fn write_stdout(&self, contents: &[u8]) -> Result<()> {
56        Ok(tyt_injection::write_stdout(contents)?)
57    }
58}