58 lines
1.4 KiB
Rust
58 lines
1.4 KiB
Rust
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use std::error::Error;
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use std::fmt::Display;
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use std::fs::File;
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use std::io::{BufReader, prelude::*};
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#[derive(Debug)]
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pub struct Crossword {
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data: Vec<Vec<char>>,
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width: usize,
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height: usize,
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}
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impl Crossword {
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pub fn new(file: File) -> Result<Crossword, Box<dyn Error>> {
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let mut input_buffer = BufReader::new(file);
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let mut data: Vec<Vec<char>> = Vec::new();
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let mut first_line = String::new();
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input_buffer.read_line(&mut first_line)?;
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let first_line = first_line.trim_end().to_owned();
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let width = first_line.len();
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for line in input_buffer.lines() {
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let line = line?;
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if line.len() != width {
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println!("{}", line);
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Err("Line length of input are not consistent")?;
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}
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data.push(line.chars().collect());
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}
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let height = data.len();
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Ok(Crossword {
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data,
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width,
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height,
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})
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}
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pub fn width(&self) -> usize {
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self.width
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}
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pub fn height(&self) -> usize {
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self.height
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}
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}
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impl Display for Crossword {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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for row in &self.data {
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let row = String::from_iter(row.iter());
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writeln!(f, "{}", row)?;
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}
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Ok(())
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}
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}
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