1 files changed, 47 insertions, 0 deletions
diff --git a/server/src/config/load.rs b/server/src/config/load.rs
new file mode 100644
index 0000000..7566ad9
--- /dev/null
+++ b/server/src/config/load.rs
@@ -0,0 +1,47 @@
+// Copyright 2022-2024 Gabriel Bjørnager Jensen.
+
+use crate::{Config, Error, Result};
+
+use configparser::ini::Ini;
+use std::env::args;
+use std::path::PathBuf;
+
+impl Config {
+	pub fn load() -> Result<Self> {
+		let path = {
+			let mut args = args().skip(0x1);
+
+			let Some(path) = args.next() else { return Err(Error::MissingConfig) };
+
+			if let Some(arg) = args.next() { return Err(Error::IllegalArgument { arg }) };
+
+			PathBuf::from(path)
+		};
+
+		let mut config = Ini::new();
+		config
+			.load(path)
+			.map_err(|e| Error::ConfigError { message: e })?;
+
+		macro_rules! get_field {
+			($section:ident.$key:ident) => {{
+				const FIELD: &str = concat!(stringify!($section), ".", stringify!($key));
+
+				if let Some(value) = config.get(stringify!($section), stringify!($key)) {
+					value
+						.parse()
+						.map_err(|e| Error::IllegalFieldValue { field: FIELD, value, source: Box::new(e) })
+				} else {
+					Err(Error::MissingField { field: FIELD })
+				}
+			}};
+		}
+
+		Ok(Self {
+			name: get_field!(server.name)?,
+			port: get_field!(server.port)?,
+
+			max_player_count: get_field!(server.max_player_count)?,
+		})
+	}
+}