initial commit

src/client/response/header/mime.rs

@@ -0,0 +1,62 @@
+use glib::{GString, Uri};
+use std::path::Path;
+
+pub enum Mime {
+    TextGemini,
+    TextPlain,
+    ImagePng,
+    ImageGif,
+    ImageJpeg,
+    ImageWebp,
+} // @TODO
+
+pub fn from_header(buffer: &[u8] /* @TODO */) -> Option<Mime> {
+    from_string(&match GString::from_utf8(buffer.to_vec()) {
+        Ok(result) => result,
+        Err(_) => return None, // @TODO error handler?
+    })
+}
+
+pub fn from_path(path: &Path) -> Option<Mime> {
+    match path.extension().and_then(|extension| extension.to_str()) {
+        Some("gmi") | Some("gemini") => Some(Mime::TextGemini),
+        Some("txt") => Some(Mime::TextPlain),
+        Some("png") => Some(Mime::ImagePng),
+        Some("gif") => Some(Mime::ImageGif),
+        Some("jpeg") | Some("jpg") => Some(Mime::ImageJpeg),
+        Some("webp") => Some(Mime::ImageWebp),
+        _ => None,
+    }
+}
+
+pub fn from_string(value: &str) -> Option<Mime> {
+    if value.contains("text/gemini") {
+        return Some(Mime::TextGemini);
+    }
+
+    if value.contains("text/plain") {
+        return Some(Mime::TextPlain);
+    }
+
+    if value.contains("image/gif") {
+        return Some(Mime::ImageGif);
+    }
+
+    if value.contains("image/jpeg") {
+        return Some(Mime::ImageJpeg);
+    }
+
+    if value.contains("image/webp") {
+        return Some(Mime::ImageWebp);
+    }
+
+    if value.contains("image/png") {
+        return Some(Mime::ImagePng);
+    }
+
+    None
+}
+
+pub fn from_uri(uri: &Uri) -> Option<Mime> {
+    from_path(Path::new(&uri.to_string()))
+}