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use lsp_types::CompletionParams;
use rowan::{ast::AstNode, TextRange};
use crate::{features::cursor::CursorContext, syntax::latex};
use super::types::{InternalCompletionItem, InternalCompletionItemData};
const MODEL_NAMES: &[&str] = &["gray", "rgb", "RGB", "HTML", "cmyk"];
pub fn complete_color_models<'a>(
context: &'a CursorContext<CompletionParams>,
items: &mut Vec<InternalCompletionItem<'a>>,
) -> Option<()> {
let range = check_color_definition(context).or_else(|| check_color_definition_set(context))?;
for name in MODEL_NAMES {
items.push(InternalCompletionItem::new(
range,
InternalCompletionItemData::ColorModel { name },
));
}
Some(())
}
fn check_color_definition(context: &CursorContext<CompletionParams>) -> Option<TextRange> {
let (_, range, group) = context.find_curly_group_word()?;
let definition = latex::ColorDefinition::cast(group.syntax().parent()?)?;
definition
.model()
.filter(|model| model.syntax().text_range() == group.syntax().text_range())?;
Some(range)
}
fn check_color_definition_set(context: &CursorContext<CompletionParams>) -> Option<TextRange> {
let (_, range, group) = context.find_curly_group_word_list()?;
let definition = latex::ColorSetDefinition::cast(group.syntax().parent()?)?;
definition
.model_list()
.filter(|model| model.syntax().text_range() == group.syntax().text_range())?;
Some(range)
}
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