Struct Vfs 

pub struct Vfs { /* private fields */ }

Concurrent open-document store.

Implementations

impl Vfs

pub fn new(encoding: PositionEncoding) -> Self

New empty VFS using the given position encoding.

pub fn open(&self, uri: DocumentUri, text: &str, version: DocumentVersion)

Insert (or replace) a document. Called from textDocument/didOpen.

pub fn change( &self, uri: &DocumentUri, edits: &[TextEdit], version: DocumentVersion, ) -> Result<(), VfsError>

Apply incremental edits. Called from textDocument/didChange.

Errors

Returns VfsError::NotFound if the document is unknown, VfsError::StaleVersion if version is not strictly greater than the stored version, or VfsError::Edit if an edit’s range is invalid.

pub fn close(&self, uri: &DocumentUri)

Remove a document. Called from textDocument/didClose.

pub fn text(&self, uri: &DocumentUri) -> Option<String>

Read a document’s current text. Returns None if not tracked.

pub fn version(&self, uri: &DocumentUri) -> Option<DocumentVersion>

Read a document’s current LSP version. Returns None if not tracked.

pub fn encoding(&self) -> PositionEncoding

The negotiated position encoding.

pub fn len(&self) -> usize

Number of currently tracked documents.

pub fn is_empty(&self) -> bool

true if no documents are tracked.

Trait Implementations

impl Clone for Vfs

fn clone(&self) -> Vfs

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Vfs

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Vfs

fn default() -> Vfs

Returns the “default value” for a type.