crates/completion/src/providers/color_model.rs
use base_db::semantics::Span;
use rowan::ast::AstNode;
use syntax::latex;
use crate::{
util::{find_curly_group_word, find_curly_group_word_list, CompletionBuilder},
CompletionItem, CompletionItemData, CompletionParams,
};
pub fn complete_color_models<'a>(
params: &'a CompletionParams<'a>,
builder: &mut CompletionBuilder<'a>,
) -> Option<()> {
let cursor = check_color_definition(params).or_else(|| check_color_definition_set(params))?;
for name in MODEL_NAMES {
if let Some(score) = builder.matcher.score(name, &cursor.text) {
let data = CompletionItemData::ColorModel(name);
builder
.items
.push(CompletionItem::new_simple(score, cursor.range, data));
}
}
Some(())
}
fn check_color_definition(params: &CompletionParams) -> Option<Span> {
let (span, group) = find_curly_group_word(params)?;
let definition = latex::ColorDefinition::cast(group.syntax().parent()?)?;
definition
.model()
.filter(|model| model.syntax().text_range() == group.syntax().text_range())?;
Some(span)
}
fn check_color_definition_set(params: &CompletionParams) -> Option<Span> {
let (span, group) = find_curly_group_word_list(params)?;
let definition = latex::ColorSetDefinition::cast(group.syntax().parent()?)?;
definition
.model_list()
.filter(|model| model.syntax().text_range() == group.syntax().text_range())?;
Some(span)
}
const MODEL_NAMES: &[&str] = &["gray", "rgb", "RGB", "HTML", "cmyk"];