fcmlib 0.1.0

Library to read and write Brother's FCM plotter files
Documentation 
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use std::io::Write;

use nom::combinator::map_res;
use nom::number::complete::le_u32;
use nom::IResult;

use crate::encode::Encode;

#[derive(Debug, Copy, Clone)]
pub(crate) enum OutlineTag {
    Line,
    Bezier,
}

pub(crate) fn read_outline_tag(input: &[u8]) -> IResult<&[u8], OutlineTag> {
    map_res(le_u32, |tag| match tag {
        0 => Ok(OutlineTag::Line),
        1 => Ok(OutlineTag::Bezier),
        _ => Err(nom::Err::Failure(format!("Unexpected outline tag: {tag}"))),
    })(input)
}

impl Encode for OutlineTag {
    fn encode(&self, buffer: &mut Vec<u8>) -> std::io::Result<()> {
        match self {
            OutlineTag::Line => buffer.write_all(&0u32.to_le_bytes())?,
            OutlineTag::Bezier => buffer.write_all(&1u32.to_le_bytes())?,
        };
        Ok(())
    }
}