rust_embed_for_web_utils/
lib.rs

1//! This crate contains utility code for `rust-embed-for-web`.
2//!
3//! You generally don't want to use this crate directly, `rust-embed-for-web`
4//! re-exports any necessary parts from this crate.
5#![forbid(unsafe_code)]
6
7mod file;
8pub use file::*;
9
10mod config;
11pub use config::Config;
12
13pub struct FileEntry {
14    pub rel_path: String,
15    pub full_canonical_path: String,
16}
17
18pub fn get_files<'t>(
19    folder_path: &'t str,
20    config: &'t Config,
21    prefix: &'t str,
22) -> impl Iterator<Item = FileEntry> + 't {
23    walkdir::WalkDir::new(folder_path)
24        .follow_links(true)
25        .into_iter()
26        .filter_map(|e| e.ok())
27        .filter(|e| e.file_type().is_file())
28        .filter_map(move |e| {
29            let rel_path = path_to_str(e.path().strip_prefix(folder_path).unwrap());
30            let rel_path = format!("{}{}", prefix, rel_path);
31            let full_canonical_path =
32                path_to_str(std::fs::canonicalize(e.path()).expect("Could not get canonical path"));
33
34            let rel_path = if std::path::MAIN_SEPARATOR == '\\' {
35                rel_path.replace('\\', "/")
36            } else {
37                rel_path
38            };
39
40            if !config.should_include(&rel_path) {
41                return None;
42            }
43
44            Some(FileEntry {
45                rel_path,
46                full_canonical_path,
47            })
48        })
49}
50
51fn path_to_str<P: AsRef<std::path::Path>>(p: P) -> String {
52    p.as_ref()
53        .to_str()
54        .expect("Path does not have a string representation")
55        .to_owned()
56}