#![doc(html_logo_url = "https://raw.githubusercontent.com/zakarumych/jkl/refs/heads/main/icon.svg")]
#![doc(
html_favicon_url = "https://raw.githubusercontent.com/zakarumych/jkl/refs/heads/main/favicon.ico"
)]
#![doc = r#"<div align="center"><img src="https://raw.githubusercontent.com/zakarumych/jkl/main/logo.svg" alt="JKL logo" width="768" alt="JKL"></div>"#]
#![forbid(unsafe_code)]
macro_rules! impl_fixedcode_struct {
($name:ident { $($field_name:ident: $field_ty:ty),* $(,)? } | $error:ty) => {
impl $crate::encode::FixedCode for $name {
const SIZE: usize = 0 $(+ <$field_ty as $crate::encode::FixedCode>::SIZE)*;
type Array = [u8; Self::SIZE];
type Error = $error;
fn fix_encode(&self) -> [u8; Self::SIZE] {
#![allow(unused_assignments)]
let mut output = [0u8; Self::SIZE];
let mut offset = 0;
$(
output[offset..offset + <$field_ty as $crate::encode::FixedCode>::SIZE].copy_from_slice(&self.$field_name.fix_encode());
offset += <$field_ty as $crate::encode::FixedCode>::SIZE;
)*
output
}
fn fix_decode(input: &[u8; Self::SIZE]) -> Result<Self, $error> {
#![allow(unused_assignments)]
let mut offset = 0;
Ok($name {
$(
$field_name: {
let value = <$field_ty as $crate::encode::FixedCode>::fix_decode(input[offset..offset + <$field_ty as $crate::encode::FixedCode>::SIZE].as_array().unwrap())?;
offset += <$field_ty as $crate::encode::FixedCode>::SIZE;
value
},
)*
})
}
}
};
($name:ident ( $($field_name:ident: $field_ty:ty),* $(,)? ) | $error:ty) => {
impl $crate::encode::FixedCode for $name {
const SIZE: usize = 0 $(+ <$field_ty as $crate::encode::FixedCode>::SIZE)*;
type Array = [u8; Self::SIZE];
type Error = $error;
fn fix_encode(&self) -> [u8; Self::SIZE] {
#![allow(unused_assignments)]
let $name($($field_name,)*) = self;
let mut output = [0u8; Self::SIZE];
let mut offset = 0;
$(
output[offset..offset + <$field_ty as $crate::encode::FixedCode>::SIZE].copy_from_slice(&$field_name.fix_encode());
offset += <$field_ty as $crate::encode::FixedCode>::SIZE;
)*
output
}
fn fix_decode(input: &[u8; Self::SIZE]) -> Result<Self, $error> {
#![allow(unused_assignments)]
let mut offset = 0;
Ok($name(
$(
{
let $field_name = <$field_ty as $crate::encode::FixedCode>::fix_decode(input[offset..offset + <$field_ty as $crate::encode::FixedCode>::SIZE].as_array().unwrap())?;
offset += <$field_ty as $crate::encode::FixedCode>::SIZE;
$field_name
},
)*
))
}
}
}
}
macro_rules! impl_fixedcode_array {
($name:ident([$e:ty; $n:literal]) | $error:ty) => {
impl $crate::encode::FixedCode for $name {
const SIZE: usize = <$e as $crate::encode::FixedCode>::SIZE * $n;
type Array = [u8; Self::SIZE];
type Error = $error;
fn fix_encode(&self) -> Self::Array {
let es = <$e as $crate::encode::FixedCode>::SIZE;
let mut output = [0u8; Self::SIZE];
for (i, item) in self.0.iter().enumerate() {
output[i * es..][..es].copy_from_slice(&item.fix_encode());
}
output
}
fn fix_decode(input: &Self::Array) -> Result<Self, Self::Error> {
let es = <$e as $crate::encode::FixedCode>::SIZE;
let mut result = [const { None }; $n];
for (i, slot) in result.iter_mut().enumerate() {
match <$e as $crate::encode::FixedCode>::fix_decode(input[i * es..][..es].as_array().unwrap()) {
Ok(value) => {
*slot = Some(value)
}
Err(e) => {
return Err(e);
}
}
}
Ok($name(result.map(|slot| slot.unwrap())))
}
}
};
}
macro_rules! for_tuple {
($macro:ident) => {
for_tuple!($macro for A B C D E F G H I J K L M N O P);
};
($macro:ident for ) => {
$macro!();
};
($macro:ident for $head:ident $($tail:ident)*) => {
for_tuple!($macro for $($tail)*);
$macro!($head $($tail)*);
};
}
macro_rules! impl_fixedcode_zero {
($name:ty) => {
impl $crate::encode::FixedCode for $name {
const SIZE: usize = 0;
type Array = [u8; 0];
type Error = std::convert::Infallible;
fn fix_encode(&self) -> Self::Array {
[]
}
fn fix_decode(_: &Self::Array) -> Result<Self, Self::Error> {
Ok(Self)
}
}
};
}
pub mod ans;
pub mod bits;
pub mod cluster_fit;
pub mod encode;
pub mod image;
pub mod jackal;
pub mod lz77;
pub mod lz78;
pub mod math;
pub mod max_rects;
pub mod palette;
pub mod rle;
pub mod vle;
pub mod z_curve;
pub mod zigzaq;