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use crate::{eyre, Buffer, Parse};
use super::OneOf;
#[derive(Debug, Clone, PartialEq)]
pub struct AnyOf1<const BYTES: &'static [u8]>(Vec<u8>);
impl<const BYTES: &'static [u8]> From<AnyOf1<BYTES>> for Vec<u8> {
fn from(v: AnyOf1<BYTES>) -> Self {
v.0
}
}
impl<const BYTES: &'static [u8]> Parse<u8> for AnyOf1<BYTES> {
fn parse(input: &mut impl Buffer<u8>) -> eyre::Result<Self> {
let mut output = Vec::new();
while OneOf::<BYTES>::peek(&mut input.cursor()) {
output.push(
OneOf::<BYTES>::parse(input)
.expect("peek succeeded but parse failed")
.into(),
);
}
if output.is_empty() {
Err(eyre::eyre!("no characters found"))
} else {
Ok(Self(output))
}
}
fn peek(input: &mut impl Buffer<u8>) -> bool {
if !OneOf::<BYTES>::peek(input) {
return false;
}
loop {
let mut cursor = input.cursor();
if !OneOf::<BYTES>::peek(&mut cursor) {
break;
}
cursor.fast_forward_parent()
}
true
}
}