81 lines
2.4 KiB
Rust
81 lines
2.4 KiB
Rust
use {
|
|
crate::{
|
|
config::{
|
|
Status,
|
|
context::Context,
|
|
extractor::{Extractor, ExtractorError, opt, recover, str, val},
|
|
parser::{DataType, ParseResult, Parser, UnexpectedDataType},
|
|
parsers::exec::{ExecParser, ExecParserError},
|
|
},
|
|
toml::{
|
|
toml_span::{Span, Spanned, SpannedExt},
|
|
toml_value::Value,
|
|
},
|
|
},
|
|
indexmap::IndexMap,
|
|
jay_config::status::MessageFormat,
|
|
thiserror::Error,
|
|
};
|
|
|
|
#[derive(Debug, Error)]
|
|
pub enum StatusParserError {
|
|
#[error(transparent)]
|
|
Expected(#[from] UnexpectedDataType),
|
|
#[error(transparent)]
|
|
Exec(#[from] ExecParserError),
|
|
#[error(transparent)]
|
|
Extract(#[from] ExtractorError),
|
|
#[error("Expected `plain`, `pango`, or `i3bar` but found {0}")]
|
|
UnknownFormat(String),
|
|
}
|
|
|
|
pub struct StatusParser<'a>(pub &'a Context<'a>);
|
|
|
|
impl Parser for StatusParser<'_> {
|
|
type Value = Status;
|
|
type Error = StatusParserError;
|
|
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 (format, exec, separator) = ext.extract((
|
|
opt(str("format")),
|
|
val("exec"),
|
|
recover(opt(str("i3bar-separator"))),
|
|
))?;
|
|
let format = match format {
|
|
Some(f) => match f.value {
|
|
"plain" => MessageFormat::Plain,
|
|
"pango" => MessageFormat::Pango,
|
|
"i3bar" => MessageFormat::I3Bar,
|
|
_ => {
|
|
return Err(
|
|
StatusParserError::UnknownFormat(f.value.to_string()).spanned(f.span)
|
|
);
|
|
}
|
|
},
|
|
_ => MessageFormat::Plain,
|
|
};
|
|
let exec = exec.parse_map(&mut ExecParser(self.0))?;
|
|
let separator = match separator {
|
|
None => None,
|
|
Some(sep) if format == MessageFormat::I3Bar => Some(sep.value.to_string()),
|
|
Some(sep) => {
|
|
log::warn!(
|
|
"Separator has no effect for format {format:?}: {}",
|
|
self.0.error3(sep.span)
|
|
);
|
|
None
|
|
}
|
|
};
|
|
Ok(Status {
|
|
format,
|
|
exec,
|
|
separator,
|
|
})
|
|
}
|
|
}
|