use crate::{CssParser, ast::CssRoot, language::CssLanguage};
use oak_core::{Builder, BuilderCache, GreenNode, OakDiagnostics, Parser, RedNode, SourceText, TextEdit, builder::BuildOutput, source::Source};
#[derive(Clone)]
pub struct CssBuilder {
config: CssLanguage,
}
impl CssBuilder {
pub fn new(config: CssLanguage) -> Self {
Self { config }
}
}
impl Builder<CssLanguage> for CssBuilder {
fn build<'a, S: Source + ?Sized>(&self, source: &S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<CssLanguage>) -> BuildOutput<CssLanguage> {
let parser = CssParser::new(&self.config);
let mut parse_cache = oak_core::parser::session::ParseSession::<CssLanguage>::default();
let parse_result = parser.parse(source, edits, &mut parse_cache);
match parse_result.result {
Ok(green_tree) => {
let source_text = SourceText::new(source.get_text_in((0..source.length()).into()).into_owned());
let ast_root = self.build_root(green_tree, &source_text);
OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics }
}
Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
}
}
}
impl CssBuilder {
pub(crate) fn build_root<'a>(&self, green_tree: &'a GreenNode<'a, CssLanguage>, _source: &SourceText) -> CssRoot {
let _red_root = RedNode::new(green_tree, 0);
CssRoot { nodes: Vec::new() }
}
}