retina/src/hex.rs
2022-07-11 11:59:40 -07:00

31 lines
725 B
Rust

// Copyright (C) 2022 Scott Lamb <slamb@slamb.org>
// SPDX-License-Identifier: MIT OR Apache-2.0
//! Quick wrapper around `pretty-hex` to limit output.
use pretty_hex::PrettyHex;
pub struct LimitedHex<'a> {
inner: &'a [u8],
max_bytes: usize,
}
impl<'a> LimitedHex<'a> {
pub fn new(inner: &'a [u8], max_bytes: usize) -> Self {
Self { inner, max_bytes }
}
}
impl<'a> std::fmt::Debug for LimitedHex<'a> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{:#?}",
self.inner.hex_conf(pretty_hex::HexConfig {
max_bytes: self.max_bytes,
..Default::default()
})
)
}
}