Struct PositionMap 

pub struct PositionMap { /* private fields */ }

Maps positions between a Shape source file and a virtual foreign document.

Implementations

impl PositionMap

pub fn new(body_span: Span, source: &str) -> Self

pub fn shape_to_virtual(&self, pos: Position) -> Option<Position>

Map a Shape source position to virtual document position, if inside the body.

pub fn virtual_to_shape(&self, pos: Position) -> Option<Position>

Map a virtual document position back to Shape source position.

pub fn virtual_range_to_shape(&self, range: Range) -> Option<Range>

Map a virtual document range back to a Shape source range.

pub fn body_start_offset(&self) -> usize

The byte offset where the foreign body starts in the Shape source.

pub fn header_lines(&self) -> u32

Number of synthetic header lines in the virtual document.

Trait Implementations

impl Clone for PositionMap

fn clone(&self) -> PositionMap

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PositionMap

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

Formats the value using the given formatter.