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pub struct SettingsBuilder {
title: Option<String>,
width: Option<u32>,
height: Option<u32>,
vsync: Option<bool>,
fullscreen: Option<bool>,
exit_on_escape: Option<bool>,
}
impl SettingsBuilder {
pub fn new() -> Self {
SettingsBuilder {
title: None,
width: None,
height: None,
vsync: None,
fullscreen: None,
exit_on_escape: None,
}
}
pub fn title(self, title: &str) -> SettingsBuilder {
SettingsBuilder {
title: Some(title.to_owned()),
..self
}
}
pub fn width(self, width: u32) -> SettingsBuilder {
SettingsBuilder {
width: Some(width),
..self
}
}
pub fn height(self, height: u32) -> SettingsBuilder {
SettingsBuilder {
height: Some(height),
..self
}
}
pub fn vsync(self, vsync: bool) -> SettingsBuilder {
SettingsBuilder {
vsync: Some(vsync),
..self
}
}
pub fn fullscreen(self, fullscreen: bool) -> SettingsBuilder {
SettingsBuilder {
fullscreen: Some(fullscreen),
..self
}
}
pub fn exit_on_escape(self, eoe: bool) -> SettingsBuilder {
SettingsBuilder {
exit_on_escape: Some(eoe),
..self
}
}
pub fn build(self) -> Settings {
Settings {
title: self.title.unwrap_or("untitled".into()),
width: self.width.unwrap_or(600),
height: self.height.unwrap_or(900),
vsync: self.vsync.unwrap_or(false),
fullscreen: self.fullscreen.unwrap_or(false),
exit_on_escape: self.exit_on_escape.unwrap_or(true),
}
}
}
pub struct Settings {
pub title: String,
pub width: u32,
pub height: u32,
pub vsync: bool,
pub fullscreen: bool,
pub exit_on_escape: bool,
}
pub fn open(filename: &str) -> Result<Settings, ()> {
match ::nccl::parse_file(filename) {
Ok(pair) => {
Ok(SettingsBuilder::new()
.title(&pair["window"]["title"].value_or("untitled".into()))
.width(pair["window"]["width"].keys_as_or::<u32>(vec![600])[0])
.height(pair["window"]["height"].keys_as_or::<u32>(vec![900])[0])
.vsync(pair["window"]["vsync"].value_as_or::<bool>(false))
.fullscreen(pair["window"]["fullscreen"].value_as_or::<bool>(false))
.exit_on_escape(pair["window"]["exit on escape"].value_as_or::<bool>(true))
.build()
)
},
Err(errors) => {
for err in errors {
println!("{}", err);
}
Err(())
},
}
}