4 files changed, 226 insertions, 0 deletions
diff --git a/src/serialise/mod.rs b/src/serialise/mod.rs
new file mode 100644
index 0000000..9b87751
--- /dev/null
+++ b/src/serialise/mod.rs
@@ -0,0 +1,8 @@
+// Copyright 2022-2024 Gabriel Bjørnager Jensen.
+
+use crate::use_mod;
+use_mod!(pub s_stream);
+use_mod!(pub serialise);
+
+#[cfg(test)]
+mod test;
diff --git a/src/serialise/s_stream/mod.rs b/src/serialise/s_stream/mod.rs
new file mode 100644
index 0000000..a1ae05c
--- /dev/null
+++ b/src/serialise/s_stream/mod.rs
@@ -0,0 +1,54 @@
+// Copyright 2022-2024 Gabriel Bjørnager Jensen.
+
+use crate::serialise::Serialise;
+
+use std::fmt::{Debug, Formatter};
+use std::mem::size_of;
+
+#[derive(Clone, Eq, PartialEq)]
+pub struct SStream(Vec<u8>);
+
+impl SStream {
+ #[must_use]
+ pub const fn new() -> Self { Self(Vec::new()) }
+
+ pub fn append(&mut self, extra: &[u8]) {
+ self.0.extend(extra);
+ }
+}
+
+impl AsRef<[u8]> for SStream {
+ #[inline(always)]
+ fn as_ref(&self) -> &[u8] { self.0.as_ref() }
+}
+
+impl Debug for SStream {
+ fn fmt(&self, f: &mut Formatter) -> std::fmt::Result {
+ write!(f, "[")?;
+
+ for v in &self.0 { write!(f, "{v:#02X},")? };
+
+ write!(f, "]")?;
+
+ Ok(())
+ }
+}
+
+impl Default for SStream {
+ #[inline(always)]
+ fn default() -> Self { Self::new() }
+}
+
+impl<T: Serialise> From<&T> for SStream {
+ fn from(value: &T) -> Self {
+ let mut stream = Self(Vec::with_capacity(size_of::<T>()));
+ value.serialise(&mut stream);
+
+ stream
+ }
+}
+
+impl From<SStream> for Box<[u8]> {
+ #[inline(always)]
+ fn from(value: SStream) -> Self { value.0.into_boxed_slice() }
+}
diff --git a/src/serialise/serialise/mod.rs b/src/serialise/serialise/mod.rs
new file mode 100644
index 0000000..febeee7
--- /dev/null
+++ b/src/serialise/serialise/mod.rs
@@ -0,0 +1,111 @@
+// Copyright 2022-2024 Gabriel Bjørnager Jensen.
+
+use crate::serialise::SStream;
+
+use std::convert::Infallible;
+use std::mem::size_of;
+use std::num::NonZero;
+
+pub trait Serialise: Sized {
+ fn serialise(&self, stream: &mut SStream);
+}
+
+macro_rules! impl_float {
+ ($type:ty) => {
+ impl Serialise for $type {
+ fn serialise(&self, stream: &mut SStream) {
+ stream.append(&self.to_be_bytes())
+ }
+ }
+ };
+}
+
+macro_rules! impl_int {
+ ($type:ty) => {
+ impl Serialise for $type {
+ fn serialise(&self, stream: &mut SStream) {
+ stream.append(&self.to_be_bytes())
+ }
+ }
+
+ impl Serialise for NonZero<$type> {
+ fn serialise(&self, stream: &mut SStream) {
+ self.get().serialise(stream)
+ }
+ }
+ };
+}
+
+impl<T: Serialise, const N: usize> Serialise for [T; N] {
+ fn serialise(&self, stream: &mut SStream) {
+ u64::try_from(self.len()).unwrap().serialise(stream);
+
+ for v in self { v.serialise(stream) }
+ }
+}
+
+impl Serialise for () {
+ fn serialise(&self, _stream: &mut SStream) { }
+}
+
+impl Serialise for bool {
+ fn serialise(&self, stream: &mut SStream) {
+ u8::from(*self).serialise(stream)
+ }
+}
+
+impl Serialise for char {
+ fn serialise(&self, stream: &mut SStream) {
+ u32::from(*self).serialise(stream)
+ }
+}
+
+impl Serialise for Infallible {
+ fn serialise(&self, _stream: &mut SStream) { unreachable!() }
+}
+
+impl<T: Serialise> Serialise for Option<T> {
+ fn serialise(&self, stream: &mut SStream) {
+ match *self {
+ None => {
+ stream.append(&[0x00]);
+ stream.append(&vec![0x00; size_of::<T>()]);
+ },
+
+ Some(ref v) => {
+ stream.append(&[0x01]);
+ v.serialise(stream);
+ },
+ };
+ }
+}
+
+impl<T: Serialise, E: Serialise> Serialise for Result<T, E> {
+ fn serialise(&self, stream: &mut SStream) {
+ match *self {
+ Ok(ref v) => {
+ stream.append(&[0x00]);
+ v.serialise(stream);
+ },
+
+ Err(ref e) => {
+ stream.append(&[0x01]);
+ e.serialise(stream);
+ },
+ };
+ }
+}
+
+impl_float!(f32);
+impl_float!(f64);
+
+impl_int!(i128);
+impl_int!(i16);
+impl_int!(i32);
+impl_int!(i64);
+impl_int!(i8);
+impl_int!(u128);
+impl_int!(u16);
+impl_int!(u32);
+impl_int!(u64);
+impl_int!(u8);
diff --git a/src/serialise/test.rs b/src/serialise/test.rs
new file mode 100644
index 0000000..5c224bc
--- /dev/null
+++ b/src/serialise/test.rs
@@ -0,0 +1,53 @@
+// Copyright 2022-2024 Gabriel Bjørnager Jensen.
+
+use crate::serialise::{SStream, Serialise};
+use crate::fixed_string::FixedString;
+
+#[test]
+fn test_serialise() {
+ let mut stream = SStream::new();
+
+ 0x00_u8.serialise(&mut stream);
+ 0xFF_u8.serialise(&mut stream);
+ 0x7F_u8.serialise(&mut stream);
+
+ 0x0F_7E_u16.serialise(&mut stream);
+
+ 0x00_2F_87_E7_u32.serialise(&mut stream);
+
+ 0xF3_37_CF_8B_DB_03_2B_39_u64.serialise(&mut stream);
+
+ 0x45_A0_15_6A_36_77_17_8A_83_2E_3C_2C_84_10_58_1A_u128.serialise(&mut stream);
+
+ FixedString::<0x1>::new("A").unwrap().serialise(&mut stream);
+ FixedString::<0x8>::new("l\u{00F8}gma\u{00F0}ur").unwrap().serialise(&mut stream);
+
+ ['\u{03B4}', '\u{0190}', '\u{03BB}', '\u{03A4}', '\u{03B1}'].serialise(&mut stream);
+
+ Result::<u16, char>::Ok(0x45_45).serialise(&mut stream);
+ Result::<u16, char>::Err(char::REPLACEMENT_CHARACTER).serialise(&mut stream);
+
+ Option::<()>::None.serialise(&mut stream);
+ Option::<()>::Some(()).serialise(&mut stream);
+
+ let data: Box<[u8]> = stream.into();
+
+ assert_eq!(
+ data.as_ref(),
+ [
+ 0x00, 0xFF, 0x7F, 0x0F, 0x7E, 0x00, 0x2F, 0x87,
+ 0xE7, 0xF3, 0x37, 0xCF, 0x8B, 0xDB, 0x03, 0x2B,
+ 0x39, 0x45, 0xA0, 0x15, 0x6A, 0x36, 0x77, 0x17,
+ 0x8A, 0x83, 0x2E, 0x3C, 0x2C, 0x84, 0x10, 0x58,
+ 0x1A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x0A, 0x6C, 0xC3, 0xB8, 0x67, 0x6D, 0x61,
+ 0xC3, 0xB0, 0x75, 0x72, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x03, 0xB4,
+ 0x00, 0x00, 0x01, 0x90, 0x00, 0x00, 0x03, 0xBB,
+ 0x00, 0x00, 0x03, 0xA4, 0x00, 0x00, 0x03, 0xB1,
+ 0x00, 0x45, 0x45, 0x01, 0x00, 0x00, 0xFF, 0xFD,
+ 0x00, 0x01,
+ ]
+ );
+}