47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
use {
|
|
crate::{
|
|
config::{
|
|
Mode,
|
|
context::Context,
|
|
extractor::{Extractor, ExtractorError, fltorint, opt, s32},
|
|
parser::{DataType, ParseResult, Parser, UnexpectedDataType},
|
|
},
|
|
toml::{
|
|
toml_span::{DespanExt, Span, Spanned},
|
|
toml_value::Value,
|
|
},
|
|
},
|
|
indexmap::IndexMap,
|
|
thiserror::Error,
|
|
};
|
|
|
|
#[derive(Debug, Error)]
|
|
pub enum ModeParserError {
|
|
#[error(transparent)]
|
|
Expected(#[from] UnexpectedDataType),
|
|
#[error(transparent)]
|
|
Extract(#[from] ExtractorError),
|
|
}
|
|
|
|
pub struct ModeParser<'a>(pub &'a Context<'a>);
|
|
|
|
impl Parser for ModeParser<'_> {
|
|
type Value = Mode;
|
|
type Error = ModeParserError;
|
|
const EXPECTED: &'static [DataType] = &[DataType::Table];
|
|
|
|
fn parse_table(
|
|
&mut self,
|
|
span: Span,
|
|
table: &IndexMap<Spanned<String>, Spanned<Value>>,
|
|
) -> ParseResult<Self> {
|
|
let mut ext = Extractor::new(self.0, span, table);
|
|
let (width, height, refresh_rate) =
|
|
ext.extract((s32("width"), s32("height"), opt(fltorint("refresh-rate"))))?;
|
|
Ok(Mode {
|
|
width: width.value,
|
|
height: height.value,
|
|
refresh_rate: refresh_rate.despan(),
|
|
})
|
|
}
|
|
}
|