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|
use std::{
path::Path,
process::{Command, Stdio},
};
use lsp_types::TextEdit;
use rowan::{TextLen, TextRange};
use tempfile::tempdir;
use crate::{
db::{Document, Language, Workspace},
util::line_index_ext::LineIndexExt,
Db, LatexIndentConfig,
};
pub fn format_with_latexindent(db: &dyn Db, document: Document) -> Option<Vec<TextEdit>> {
let workspace = Workspace::get(db);
let config = db.config();
let target_dir = tempdir().ok()?;
let source_dir = workspace
.working_dir(db, document.directory(db))
.path(db)
.as_deref()?;
let target_file = target_dir
.path()
.join(if document.language(db) == Language::Bib {
"file.bib"
} else {
"file.tex"
});
std::fs::write(&target_file, document.text(db)).ok()?;
let args = build_arguments(&config.formatting.latex_indent, &target_file);
log::debug!(
"Running latexindent in folder \"{}\" with args: {:?}",
source_dir.display(),
args,
);
let output = Command::new("latexindent")
.args(&args)
.stdin(Stdio::null())
.stdout(Stdio::piped())
.stderr(Stdio::null())
.current_dir(source_dir)
.output()
.ok()?;
let old_text = document.text(db);
let new_text = String::from_utf8_lossy(&output.stdout).into_owned();
if new_text.is_empty() {
None
} else {
let line_index = document.line_index(db);
Some(vec![TextEdit {
range: line_index.line_col_lsp_range(TextRange::new(0.into(), old_text.text_len())),
new_text,
}])
}
}
fn build_arguments(config: &LatexIndentConfig, target_file: &Path) -> Vec<String> {
let mut args = Vec::new();
args.push(match &config.local {
Some(yaml_file) => format!("--local={yaml_file}"),
None => "--local".to_string(),
});
if config.modify_line_breaks {
args.push("--modifylinebreaks".to_string());
}
args.push(target_file.display().to_string());
args
}
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