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/*
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;
}
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