Struct FileRegistry 

pub struct FileRegistry { /* private fields */ }

A registry mapping FileId to file paths and source strings.

Implementations

impl FileRegistry

pub fn new() -> Self

Create an empty registry.

pub fn register( &mut self, path: impl Into<String>, source: impl Into<String>, ) -> FileId

Register a new file, returning its FileId.

pub fn source(&self, id: FileId) -> Option<&str>

Look up the source string for a file.

pub fn path(&self, id: FileId) -> Option<&str>

Look up the path for a file.

pub fn len(&self) -> usize

Number of registered files.

pub fn is_empty(&self) -> bool

true if no files are registered.

pub fn extract(&self, fspan: &FileSpan) -> &str

Extract text at a FileSpan.

Trait Implementations

impl Clone for FileRegistry

fn clone(&self) -> FileRegistry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FileRegistry

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

Formats the value using the given formatter.

impl Default for FileRegistry

fn default() -> FileRegistry

Returns the “default value” for a type.