Document

Acknowledgement

Thanks to texter crate, text in any encoding is supported.

texter also provides an efficient way to update documents incrementally.

The Document struct has the following fields:

• texter: a texter struct that stores the document.
• tree: The tree-sitter syntax tree.

Creating a document

Document can be created using either the from_utf8 or from_texter methods of FileManager.

Updating a document

The database support updating a document using the update method of FileManager.

update takes 2 parameters:

• The Url of the document to update.
• A list of lsp_types::TextDocumentChangeEvent changes.

These changes are sent by the client when the document is modified.

registry.on_mut::<DidChangeTextDocument, _>(|session, params| {
    Ok(session.db.update(&params.text_document.uri, &params.content_changes)?)
})

update may return a DataBaseError if the update fails.