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//! Imported Tree-sitter query files.
use facet::Facet;
use crate::source::SourceFile;
/// Raw Tree-sitter query source.
#[derive(Debug, Clone, Facet, PartialEq, Eq)]
pub struct QuerySource(pub String);
/// Well-known Tree-sitter query categories.
#[derive(Debug, Clone, Copy, Facet, PartialEq, Eq)]
#[repr(u8)]
pub enum WellKnownQuery {
/// Highlight query.
Highlights,
/// Locals query.
Locals,
/// Injections query.
Injections,
/// Tags query.
Tags,
}
impl WellKnownQuery {
/// Default filename used by Tree-sitter packages.
pub const fn filename(self) -> &'static str {
match self {
Self::Highlights => "highlights.scm",
Self::Locals => "locals.scm",
Self::Injections => "injections.scm",
Self::Tags => "tags.scm",
}
}
}
/// Imported query files. Unknown query files are preserved.
#[derive(Debug, Clone, Default, Facet, PartialEq, Eq)]
pub struct QueryBundle {
/// Query source files with category resolution.
pub files: Vec<QueryFile>,
}
/// Imported query source file with Tree-sitter category metadata.
#[derive(Debug, Clone, Facet, PartialEq, Eq)]
pub struct QueryFile {
/// Well-known category, when this file was resolved through category semantics.
pub category: Option<WellKnownQuery>,
/// Whether the file came from `tree-sitter.json` rather than fallback discovery.
pub configured: bool,
/// Query source file.
pub source: SourceFile<QuerySource>,
}
impl QueryBundle {
/// Get a well-known query file by default filename.
pub fn well_known(&self, query: WellKnownQuery) -> Option<&SourceFile<QuerySource>> {
self.files
.iter()
.find(|file| file.category == Some(query))
.map(|file| &file.source)
}
/// Iterate well-known query files in configured order.
pub fn well_known_files(
&self,
query: WellKnownQuery,
) -> impl Iterator<Item = &SourceFile<QuerySource>> {
self.files
.iter()
.filter(move |file| file.category == Some(query))
.map(|file| &file.source)
}
/// Iterate all query files.
pub fn iter(&self) -> impl Iterator<Item = &SourceFile<QuerySource>> {
self.files.iter().map(|file| &file.source)
}
/// Iterate all query files with category metadata.
pub fn iter_files(&self) -> impl Iterator<Item = &QueryFile> {
self.files.iter()
}
}