Struct UTF8Utils 

pub struct UTF8Utils;

UTF-8 handling utilities

Implementations

impl UTF8Utils

pub fn char_pos_to_byte_pos(text: &str, char_pos: usize) -> usize

Convert character position to byte position in a UTF-8 string

pub fn byte_pos_to_char_pos(text: &str, byte_pos: usize) -> usize

Convert byte position to character position in a UTF-8 string

pub fn display_width(text: &str) -> usize

Get the display width of a string (handling wide characters)

pub fn truncate_to_width(text: &str, max_width: usize) -> String

Truncate string to fit within a given display width

pub fn split_at_char_boundary(text: &str, char_index: usize) -> (&str, &str)

Split text at character boundaries, not byte boundaries

pub fn is_char_boundary(text: &str, byte_pos: usize) -> bool

Check if a byte position is at a character boundary

pub fn next_char_boundary(text: &str, byte_pos: usize) -> usize

Find the next character boundary after a given byte position

pub fn prev_char_boundary(text: &str, byte_pos: usize) -> usize

Find the previous character boundary before a given byte position

pub fn char_count(text: &str) -> usize

Count characters in a string (not bytes)

pub fn nth_char(text: &str, n: usize) -> Option<char>

Get the nth character from a string

pub fn pad_to_width(text: &str, width: usize) -> String

Pad string to a specific display width with spaces

pub fn is_word_boundary(ch: char) -> bool

Check if a character is a word boundary

pub fn find_word_start(text: &str, cursor_pos: usize) -> usize

Find the start of the current word at cursor position

pub fn find_word_end(text: &str, cursor_pos: usize) -> usize

Find the end of the current word at cursor position