1 files changed, 96 insertions, 0 deletions
diff --git a/src/app/load.rs b/src/app/load.rs
new file mode 100644
index 0000000..24a2385
--- /dev/null
+++ b/src/app/load.rs
@@ -0,0 +1,96 @@
+/*
+	Copyright 2021-2023 Gabriel Jensen.
+
+	This file is part of Luma.
+
+	Luma is free software: you can redistribute it
+	and/or modify it under the terms of the GNU
+	Affero General Public License as published by
+	the Free Software Foundation, either version 3
+	of the License, or (at your option) any later
+	version.
+
+	Luma 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
+	Affero General Public License for more details.
+
+	You should have received a copy of the GNU
+	Affero General Public License along with Luma.
+	If not, see <https://www.gnu.org/licenses/>.
+*/
+
+use crate::VERSION;
+use crate::app::App;
+use crate::state::State;
+
+use std::fs::File;
+use std::io::Read;
+
+impl App {
+	pub fn load(&mut self, state: &mut State) -> Result<(), String> {
+		eprintln!("loading booatloader \"{}\"", self.bootloader);
+
+		let mut bootloader = match File::open(&self.bootloader) {
+			Ok(file) => file,
+			_        => return Err("unable to open bootloader".to_string()),
+		};
+
+		if let Err(..) = bootloader.read(state.bootloader_buffer()) { return Err("unable to read bootloader".to_string()) };
+
+		eprintln!("loading image \"{}\"", self.image);
+
+		let mut image = match File::open(&self.image) {
+			Ok(file) => file,
+			_        => return Err("unable to open image".to_string()),
+		};
+
+		match image.read(state.image_buffer()) {
+			Err(..) => return Err("unable to read image".to_string()),
+			_       => {},
+		};
+
+		let title   = get_title(&state.image_buffer()[0xA0..0xAC]);
+		let id      = get_id(&state.image_buffer()[0xAC..0xB0]);
+		let version = state.image_buffer()[0xBC];
+
+		eprintln!("loaded image \"{title}\" ({id}) v.{version}");
+
+		self.canvas.window_mut().set_title(&format!("Luma {:X}.{:X} - {title}", VERSION.0, VERSION.1)).unwrap();
+
+		return Ok(());
+	}
+}
+
+fn get_title(data: &[u8]) -> String {
+	let mut title = String::with_capacity(0xC);
+
+	for raw in data {
+		let character = match char::from_u32(*raw as u32) {
+			Some('\u{0000}') => break,
+			Some(character)  => character,
+			None             => '?',
+		};
+
+		title.push(character);
+	}
+
+	return title;
+}
+
+fn get_id(data: &[u8]) -> String {
+	let mut id = String::with_capacity(0xC);
+
+	for raw in data {
+		let character = match char::from_u32(*raw as u32) {
+			Some('\u{0000}') => break,
+			Some(character)  => character,
+			None             => '?',
+		};
+
+		id.push(character);
+	}
+
+	return id;
+}