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path: root/support/texlab/crates/texlab/src/features/formatting/bibtex_internal.rs
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use base_db::{Document, Workspace};
use rowan::TextLen;

use crate::util::line_index_ext::LineIndexExt;

pub fn format_bibtex_internal(
    workspace: &Workspace,
    document: &Document,
    options: &lsp_types::FormattingOptions,
) -> Option<Vec<lsp_types::TextEdit>> {
    let data = document.data.as_bib()?;
    let options = bibfmt::Options {
        insert_spaces: options.insert_spaces,
        line_length: workspace.config().formatting.line_length,
        tab_size: options.tab_size as usize,
    };

    let output = bibfmt::format(&data.root_node(), &document.line_index, &options);
    let end = document.line_index.line_col_lsp(document.text.text_len())?;
    let range = lsp_types::Range::new(lsp_types::Position::new(0, 0), end);
    Some(vec![lsp_types::TextEdit::new(range, output)])
}