Little refactor

Cargo.lock

@@ -80,6 +80,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "drm",
+ "glob",
 ]
 
 [[package]]
@@ -92,6 +93,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "libc"
 version = "0.2.159"

Cargo.toml

@@ -4,5 +4,6 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+glob = "0.3.1"
 anyhow = "1.0.91"
 drm = "0.14.1"

src/drm_impl/card.rs

@@ -3,19 +3,14 @@ use drm::control::Device as ControlDevice;
 use std::os::fd::{AsFd, BorrowedFd};
 use std::fmt::Debug;
 
-// A simple wrapper for a device node.
 pub struct Card(std::fs::File);
 
-/// Implementing [`AsFd`] is a prerequisite to implementing the traits found
-/// in this crate. Here, we are just calling [`File::as_fd()`] on the inner
-/// [`File`].
 impl AsFd for Card {
   fn as_fd(&self) -> BorrowedFd<'_> {
     self.0.as_fd()
   }
 }
 
-/// Simple helper methods for opening a `Card`.
 impl Card {
   pub fn open(path: &str) -> anyhow::Result<Self> {
     let mut options = std::fs::OpenOptions::new();

src/drm_impl/mod.rs

@@ -0,0 +1,2 @@
+mod card;
+pub use card::Card;

src/main.rs

@@ -1,9 +1,9 @@
 use drm::control::Device;
 
-mod card;
+mod drm_impl;
 
 fn main() {
-  let gpu = match card::Card::open("/dev/dri/card1") {
+  let gpu = match drm_impl::Card::open("/dev/dri/card1") {
     Ok(gpu) => gpu,
     Err(err) => {
       panic!("Impossible to open DRM file : {:?}", err);
@@ -14,7 +14,7 @@ fn main() {
   print_connectors(&gpu);
 }
 
-fn print_connectors(gpu: &card::Card) {
+fn print_connectors(gpu: &drm_impl::Card) {
   let resource_handles = gpu.resource_handles().unwrap();
 
   println!("Connectors:");
@@ -23,7 +23,7 @@ fn print_connectors(gpu: &card::Card) {
   }
 }
 
-fn print_connector(gpu: &card::Card, connector_handle: &drm::control::connector::Handle) {
+fn print_connector(gpu: &drm_impl::Card, connector_handle: &drm::control::connector::Handle) {
   match gpu.get_connector(*connector_handle, false) {
     Ok(connector) => {
       println!("\t{} ({:?})", connector.interface().as_str(), connector.state());
@@ -37,7 +37,7 @@ fn print_connector(gpu: &card::Card, connector_handle: &drm::control::connector:
   };
 }
 
-fn format_encoder(gpu: &card::Card, encoder_handle: Option<drm::control::encoder::Handle>) -> String {
+fn format_encoder(gpu: &drm_impl::Card, encoder_handle: Option<drm::control::encoder::Handle>) -> String {
   match encoder_handle.and_then(|handle| gpu.get_encoder(handle).ok()) {
     Some(encoder) => {
       let crtc_info = format_crtc(&gpu, encoder.crtc());
@@ -48,7 +48,7 @@ fn format_encoder(gpu: &card::Card, encoder_handle: Option<drm::control::encoder
   }
 }
 
-fn format_crtc(gpu: &card::Card, crtc_handle: Option<drm::control::crtc::Handle>) -> String {
+fn format_crtc(gpu: &drm_impl::Card, crtc_handle: Option<drm::control::crtc::Handle>) -> String {
   match crtc_handle.and_then(|handle| Some(gpu.get_crtc(handle))) {
     Some(crtc) => format!("{:?}", crtc),
     None => format!("No CRTC data")