figfont 0.1.1

Read and parse a FIGlet font in plain or zipped format.
Documentation 
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use crate::error::ParseError;
use crate::result::Result;
use std::io::{BufRead, BufReader, Read};

pub(crate) fn read_line<R: Read>(bread: &mut BufReader<R>) -> Result<Vec<u8>> {
    let mut line = Vec::new();
    bread.read_until(b'\n', &mut line)?;

    if line.ends_with(b"\r\n") {
        line.truncate(line.len() - 2);
    } else if line.ends_with(b"\n") {
        line.truncate(line.len() - 1);
    } else {
        return Err(ParseError::NotEnoughData.into());
    }

    Ok(line)
}

pub(crate) fn read_last_line<R: Read>(bread: &mut BufReader<R>) -> Result<Vec<u8>> {
    let mut line = Vec::new();
    bread.read_until(b'\n', &mut line)?;

    if line.ends_with(b"\r\n") {
        line.truncate(line.len() - 2);
    } else if line.ends_with(b"\n") {
        line.truncate(line.len() - 1);
    }

    Ok(line)
}