Struct Buffer 

pub struct Buffer {
    pub id: BufferId,
    pub path: Option<PathBuf>,
    pub rope: Rope,
    pub modified: bool,
    pub encoding: Encoding,
    pub line_ending: LineEnding,
    pub undo: UndoTree,
}

A single open text buffer.

Fields

id: BufferId

path: Option<PathBuf>

rope: Rope

modified: bool

encoding: Encoding

line_ending: LineEnding

undo: UndoTree

Implementations

impl Buffer

pub fn empty(id: BufferId) -> Self

pub fn from_str(id: BufferId, src: &str) -> Self

pub fn open(id: BufferId, path: impl AsRef<Path>) -> Result<Self, BufferError>

pub fn save(&mut self) -> Result<(), BufferError>

pub fn save_as(&mut self, path: impl AsRef<Path>) -> Result<(), BufferError>

pub fn line_count(&self) -> u32

pub fn byte_count(&self) -> usize

pub fn char_count(&self) -> usize

pub fn line(&self, n: u32) -> Option<String>

pub fn line_len_chars(&self, n: u32) -> u32

pub fn clamp(&self, pos: Position) -> Position

Clamp a position to valid coordinates inside this buffer.

pub fn position_to_char(&self, pos: Position) -> Result<usize, BufferError>

pub fn char_to_position(&self, ch: usize) -> Position

pub fn slice(&self, range: Range) -> Result<String, BufferError>

pub fn apply(&mut self, edit: &Edit) -> Result<UndoEntry, BufferError>

pub fn undo(&mut self) -> Result<UndoEntry, BufferError>

pub fn redo(&mut self) -> Result<UndoEntry, BufferError>

pub fn to_string(&self) -> String

Trait Implementations

impl Clone for Buffer

fn clone(&self) -> Buffer

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Buffer

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

Formats the value using the given formatter.