122 lines
3.8 KiB
Rust
122 lines
3.8 KiB
Rust
use {
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crate::{
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config::{
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WindowMatch, WindowRule,
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context::Context,
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extractor::{Extractor, ExtractorError, bol, opt, recover, str, val},
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parser::{DataType, ParseResult, Parser, UnexpectedDataType},
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parsers::{
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action::{ActionParser, ActionParserError},
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tile_state::TileStateParser,
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window_match::{WindowMatchParser, WindowMatchParserError},
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},
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spanned::SpannedErrorExt,
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},
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toml::{
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toml_span::{DespanExt, Span, Spanned},
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toml_value::Value,
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},
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},
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indexmap::IndexMap,
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thiserror::Error,
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};
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#[derive(Debug, Error)]
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pub enum WindowRuleParserError {
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#[error(transparent)]
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Expected(#[from] UnexpectedDataType),
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#[error(transparent)]
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Extract(#[from] ExtractorError),
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#[error(transparent)]
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Match(#[from] WindowMatchParserError),
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#[error(transparent)]
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Action(ActionParserError),
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#[error(transparent)]
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Latch(ActionParserError),
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}
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pub struct WindowRuleParser<'a>(pub &'a Context<'a>);
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impl Parser for WindowRuleParser<'_> {
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type Value = WindowRule;
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type Error = WindowRuleParserError;
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const EXPECTED: &'static [DataType] = &[DataType::Table];
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fn parse_table(
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&mut self,
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span: Span,
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table: &IndexMap<Spanned<String>, Spanned<Value>>,
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) -> ParseResult<Self> {
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let mut ext = Extractor::new(self.0, span, table);
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let (name, match_val, action_val, latch_val, auto_focus, initial_tile_state_val) = ext
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.extract((
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opt(str("name")),
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opt(val("match")),
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opt(val("action")),
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opt(val("latch")),
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recover(opt(bol("auto-focus"))),
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opt(val("initial-tile-state")),
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))?;
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let mut action = None;
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if let Some(value) = action_val {
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action = Some(
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value
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.parse(&mut ActionParser(self.0))
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.map_spanned_err(WindowRuleParserError::Action)?,
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);
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}
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let mut latch = None;
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if let Some(value) = latch_val {
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latch = Some(
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value
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.parse(&mut ActionParser(self.0))
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.map_spanned_err(WindowRuleParserError::Latch)?,
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);
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}
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let mut initial_tile_state = None;
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if let Some(value) = initial_tile_state_val {
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match value.parse(&mut TileStateParser) {
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Ok(v) => initial_tile_state = Some(v),
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Err(e) => {
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log::warn!(
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"Could not parse the initial tile state: {}",
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self.0.error(e)
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);
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}
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}
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}
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let match_ = match match_val {
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None => WindowMatch::default(),
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Some(m) => m.parse_map(&mut WindowMatchParser(self.0))?,
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};
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Ok(WindowRule {
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name: name.despan_into(),
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match_,
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action,
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latch,
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auto_focus: auto_focus.despan(),
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initial_tile_state,
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})
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}
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}
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pub struct WindowRulesParser<'a>(pub &'a Context<'a>);
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impl Parser for WindowRulesParser<'_> {
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type Value = Vec<WindowRule>;
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type Error = WindowRuleParserError;
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const EXPECTED: &'static [DataType] = &[DataType::Array];
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fn parse_array(&mut self, _span: Span, array: &[Spanned<Value>]) -> ParseResult<Self> {
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let mut res = vec![];
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for el in array {
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match el.parse(&mut WindowRuleParser(self.0)) {
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Ok(o) => res.push(o),
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Err(e) => {
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log::warn!("Could not parse window rule: {}", self.0.error(e));
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}
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}
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}
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Ok(res)
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}
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}
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