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use std::path::PathBuf;
use base_db::{Owner, Workspace};
use rowan::{TextRange, TextSize};
use url::Url;
#[derive(Debug)]
pub struct Fixture {
pub workspace: Workspace,
pub documents: Vec<DocumentSpec>,
}
impl Fixture {
pub fn parse(input: &str) -> Fixture {
let mut documents = Vec::new();
let mut start = 0;
for end in input
.match_indices("%!")
.skip(1)
.map(|(i, _)| i)
.chain(std::iter::once(input.len()))
{
documents.push(DocumentSpec::parse(&input[start..end]));
start = end;
}
let mut workspace = Workspace::default();
for document in &documents {
let path = PathBuf::from(document.uri.path());
let language = distro::Language::from_path(&path).unwrap_or(distro::Language::Tex);
workspace.open(
document.uri.clone(),
document.text.clone(),
language,
Owner::Client,
TextSize::from(0),
);
}
Self {
workspace,
documents,
}
}
}
#[derive(Debug)]
pub struct DocumentSpec {
pub uri: Url,
pub text: String,
pub cursor: Option<TextSize>,
pub ranges: Vec<TextRange>,
}
impl DocumentSpec {
pub fn parse(input: &str) -> Self {
let (uri_str, input) = input
.trim()
.strip_prefix("%! ")
.map(|input| input.split_once('\n').unwrap_or((input, "")))
.unwrap();
let uri = Url::parse(&format!("file:///texlab/{uri_str}")).unwrap();
let mut ranges = Vec::new();
let mut cursor = None;
let mut text = String::new();
for line in input.lines().map(|line| line.trim_end()) {
if line.chars().all(|c| matches!(c, ' ' | '^' | '|' | '!')) && !line.is_empty() {
cursor = cursor.or_else(|| {
let offset = line.find('|')?;
Some(TextSize::from((text.len() + offset) as u32))
});
if let Some(start) = line.find('!') {
let position = TextSize::from((text.len() + start) as u32);
ranges.push(TextRange::new(position, position));
}
if let Some(start) = line.find('^') {
let end = line.rfind('^').unwrap() + 1;
ranges.push(TextRange::new(
TextSize::from((text.len() + start) as u32),
TextSize::from((text.len() + end) as u32),
));
}
} else {
text.push_str(line);
text.push('\n');
}
}
Self {
uri,
text,
cursor,
ranges,
}
}
}
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