feat(meta): meta-related utilities

2 files changed, 55 insertions, 0 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 0b04370..032bbf3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -37,3 +37,6 @@ pub mod convert;
 
 #[cfg(feature = "request")]
 pub mod request;
+
+#[cfg(feature = "meta")]
+pub mod meta;
diff --git a/src/meta.rs b/src/meta.rs
new file mode 100644
index 0000000..24a29f3
--- /dev/null
+++ b/src/meta.rs
@@ -0,0 +1,52 @@
+// This file is part of Germ <https://github.com/gemrest/germ>.
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// Copyright (C) 2022-2022 Fuwn <[email protected]>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use std::collections::HashMap;
+
+/// Structure-ize a Gemini response's meta section into it's mime type and it's
+/// parameters.
+#[derive(Debug)]
+pub struct Meta {
+  /// The mime type of a Gemini response
+  pub mime:       String,
+  /// The parameters of a Gemini response
+  pub parameters: HashMap<String, String>,
+}
+impl Meta {
+  pub fn from_str(meta: &str) -> Self {
+    let mut metas = meta.split(";");
+    let mime = metas.next().unwrap_or("").to_string();
+    let mut parameters = HashMap::new();
+
+    for parameter in metas {
+      let key_value = parameter
+        .trim_start()
+        .split_at(parameter.find("=").unwrap_or(0));
+
+      parameters.insert(
+        key_value.0.to_string().replace("=", ""),
+        key_value.1.to_string(),
+      );
+    }
+
+    Self {
+      mime,
+      parameters,
+    }
+  }
+}