treewide: rewrite with Iced; migrate to new repository format

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: If2c377d3b866a33a65d85836bc9010756a6a6964

crates/lychee-img/src/lib.rs

@@ -0,0 +1,58 @@
+use std::path::Path;
+
+pub fn is_image_file(path: &Path) -> bool {
+    let ext = path.extension().and_then(|e| e.to_str()).unwrap_or("");
+    matches!(
+        ext.to_lowercase().as_str(),
+        "png"
+            | "jpg"
+            | "jpeg"
+            | "gif"
+            | "bmp"
+            | "tiff"
+            | "tif"
+            | "webp"
+            | "ico"
+            | "ppm"
+            | "pgm"
+            | "pbm"
+            | "pn"
+            | "svg"
+            | "tga"
+    )
+}
+
+pub fn is_hidden_file(path: &Path) -> bool {
+    path.file_name()
+        .and_then(|n| n.to_str())
+        .map(|n| n.starts_with('.'))
+        .unwrap_or(false)
+}
+
+pub fn collect_paths(paths: Vec<String>) -> Vec<String> {
+    if paths.len() == 1 {
+        let p = Path::new(&paths[0]);
+        if p.is_dir() {
+            let mut result: Vec<String> = std::fs::read_dir(p)
+                .ok()
+                .map(|dir| {
+                    dir.filter_map(|e| {
+                        let path = e.ok()?.path();
+                        if is_image_file(&path) && !is_hidden_file(&path) {
+                            Some(path.to_string_lossy().into_owned())
+                        } else {
+                            None
+                        }
+                    })
+                    .collect()
+                })
+                .unwrap_or_default();
+            result.sort();
+            result
+        } else {
+            vec![paths[0].clone()]
+        }
+    } else {
+        paths
+    }
+}