basexx 0.2.0

basexx utilities. base32, base64, base58, base56...
Documentation 
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use super::super::*;

#[allow(dead_code)]
#[inline(always)]
pub(crate) fn _binary_to_ascii_scalar(lup: &[u8], buf: &mut [u8]) -> Result<(), EncodeError> {
    macro_rules! step1 {
        ($target: expr) => {
            let a = $target;
            if usize::from(a) >= lup.len() {
                return Err(EncodeError::InvalidIndex(a));
            }
            $target = lup[a as usize];
        };
    }
    let buf = if buf.len() < 8 {
        buf
    } else {
        let mut iter = buf.chunks_exact_mut(8);
        let mut nx = iter.next();
        while let Some(bb) = nx {
            step1!(bb[0]);
            step1!(bb[1]);
            step1!(bb[2]);
            step1!(bb[3]);
            step1!(bb[4]);
            step1!(bb[5]);
            step1!(bb[6]);
            step1!(bb[7]);
            nx = iter.next();
        }
        iter.into_remainder()
    };
    for c in buf {
        step1!(*c);
    }
    Ok(())
}

#[allow(dead_code)]
#[inline(always)]
pub(crate) fn _ascii_to_binary_scalar(lup: &[u8], buf: &mut [u8]) -> Result<(), DecodeError> {
    assert!(lup.len() == 128);
    macro_rules! step1 {
        ($target: expr) => {{
            let a = $target;
            if usize::from(a) >= lup.len() {
                return Err(DecodeError::InvalidByte(a));
            }
            let aa = lup[a as usize];
            $target = if aa != 0xFF {
                aa
            } else {
                return Err(DecodeError::InvalidByte(a));
            };
        }};
    }
    let buf = if buf.len() < 8 {
        buf
    } else {
        let mut iter = buf.chunks_exact_mut(8);
        let mut nx = iter.next();
        while let Some(bb) = nx {
            step1!(bb[0]);
            step1!(bb[1]);
            step1!(bb[2]);
            step1!(bb[3]);
            step1!(bb[4]);
            step1!(bb[5]);
            step1!(bb[6]);
            step1!(bb[7]);
            nx = iter.next();
        }
        iter.into_remainder()
    };
    for c in buf {
        step1!(*c);
    }
    Ok(())
}

#[cfg(all(test, not(feature = "bench")))]
mod tests;

#[cfg(all(test, feature = "ubench"))]
mod benches;
#[cfg(all(test, feature = "ubench"))]
#[allow(unused_imports)]
pub(crate) use benches::*;