1use crate::{CssParser, ast::CssRoot, language::CssLanguage};
2use oak_core::{Builder, BuilderCache, GreenNode, OakDiagnostics, Parser, RedNode, SourceText, TextEdit, builder::BuildOutput, source::Source};
3
4#[derive(Clone)]
6pub struct CssBuilder {
7 config: CssLanguage,
8}
9
10impl CssBuilder {
11 pub fn new(config: CssLanguage) -> Self {
13 Self { config }
14 }
15}
16
17impl Builder<CssLanguage> for CssBuilder {
18 fn build<'a, S: Source + ?Sized>(&self, source: &S, edits: &[TextEdit], _cache: &'a mut impl BuilderCache<CssLanguage>) -> BuildOutput<CssLanguage> {
19 let parser = CssParser::new(&self.config);
20
21 let mut parse_cache = oak_core::parser::session::ParseSession::<CssLanguage>::default();
22 let parse_result = parser.parse(source, edits, &mut parse_cache);
23
24 match parse_result.result {
25 Ok(green_tree) => {
26 let source_text = SourceText::new(source.get_text_in((0..source.length()).into()).into_owned());
27 let ast_root = self.build_root(green_tree, &source_text);
28 OakDiagnostics { result: Ok(ast_root), diagnostics: parse_result.diagnostics }
29 }
30 Err(parse_error) => OakDiagnostics { result: Err(parse_error), diagnostics: parse_result.diagnostics },
31 }
32 }
33}
34
35impl CssBuilder {
36 pub(crate) fn build_root<'a>(&self, green_tree: &'a GreenNode<'a, CssLanguage>, _source: &SourceText) -> CssRoot {
37 let _red_root = RedNode::new(green_tree, 0);
38 CssRoot { nodes: Vec::new() }
40 }
41}