Struct LineIndex 

pub struct LineIndex { /* private fields */ }

Index for converting between byte offsets and line/column positions.

Implementations

impl LineIndex

pub fn new(text: &str) -> Self

Build a line index from source text.

pub fn line_col(&self, offset: TextSize) -> LineCol

Convert a byte offset to a line/column position.

pub fn offset(&self, line_col: LineCol) -> Option<TextSize>

Convert a line/column position to a byte offset.

pub fn len(&self) -> usize

Get the number of lines.

pub fn is_empty(&self) -> bool

Check if there are no lines (empty file).

Trait Implementations

impl Clone for LineIndex

fn clone(&self) -> LineIndex

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LineIndex

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

Formats the value using the given formatter.