| use crate::config::Position; |
| |
| /// The representation of data, rows and columns of a grid. |
| pub trait PeekableRecords { |
| /// Returns a text of a cell by an index. |
| fn get_text(&self, pos: Position) -> &str; |
| |
| /// Returns a line of a text of a cell by an index. |
| fn get_line(&self, pos: Position, line: usize) -> &str { |
| self.get_text(pos).lines().nth(line).unwrap() |
| } |
| |
| /// Returns an amount of lines of a text of a cell by an index. |
| fn count_lines(&self, pos: Position) -> usize { |
| self.get_text(pos).lines().count() |
| } |
| |
| /// Returns a width of a text of a cell by an index. |
| fn get_width(&self, pos: Position) -> usize { |
| crate::util::string::string_width_multiline(self.get_text(pos)) |
| } |
| |
| /// Returns a width of line of a text of a cell by an index. |
| fn get_line_width(&self, pos: Position, line: usize) -> usize { |
| crate::util::string::string_width(self.get_line(pos, line)) |
| } |
| } |
| |
| impl<R> PeekableRecords for &R |
| where |
| R: PeekableRecords, |
| { |
| fn get_text(&self, pos: Position) -> &str { |
| R::get_text(self, pos) |
| } |
| |
| fn get_line(&self, pos: Position, line: usize) -> &str { |
| R::get_line(self, pos, line) |
| } |
| |
| fn count_lines(&self, pos: Position) -> usize { |
| R::count_lines(self, pos) |
| } |
| |
| fn get_width(&self, pos: Position) -> usize { |
| R::get_width(self, pos) |
| } |
| |
| fn get_line_width(&self, pos: Position, line: usize) -> usize { |
| R::get_line_width(self, pos, line) |
| } |
| } |