old dir

1 files changed, 0 insertions, 335 deletions

diff --git a/evc/src/format/ser.rs b/evc/src/format/ser.rs
deleted file mode 100644
index f063377..0000000
--- a/evc/src/format/ser.rs
+++ /dev/null
@@ -1,335 +0,0 @@
-use anyhow::Context;
-use std::io::{Read, Write};
-
-use crate::helpers::{matrix::Mat2, vector::Vec2};
-
-pub trait Sink {
-    fn put<V: Ser>(&mut self, value: V) -> anyhow::Result<()>;
-}
-pub trait Source {
-    fn get<V: Ser>(&mut self) -> anyhow::Result<V>;
-}
-
-impl<T: Write> Sink for T {
-    fn put<V: Ser>(&mut self, value: V) -> anyhow::Result<()> {
-        value.write(self)
-    }
-}
-impl<T: Read> Source for T {
-    fn get<V: Ser>(&mut self) -> anyhow::Result<V> {
-        V::read(self)
-    }
-}
-
-pub trait Ser: Sized {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()>;
-    fn read(source: &mut impl Read) -> anyhow::Result<Self>;
-}
-
-impl<A: Ser, B: Ser> Ser for (A, B) {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        self.0.write(sink).context("first tuple field")?;
-        self.1.write(sink).context("second tuple field")?;
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        Ok((A::read(source)?, B::read(source)?))
-    }
-}
-impl<A: Ser, B: Ser, C: Ser> Ser for (A, B, C) {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        self.0.write(sink).context("first tuple field")?;
-        self.1.write(sink).context("second tuple field")?;
-        self.2.write(sink).context("third tuple field")?;
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        Ok((A::read(source)?, B::read(source)?, C::read(source)?))
-    }
-}
-impl<A: Ser, B: Ser, C: Ser, D: Ser> Ser for (A, B, C, D) {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        self.0.write(sink).context("first tuple field")?;
-        self.1.write(sink).context("second tuple field")?;
-        self.2.write(sink).context("third tuple field")?;
-        self.3.write(sink).context("fourth tuple field")?;
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        Ok((
-            A::read(source)?,
-            B::read(source)?,
-            C::read(source)?,
-            D::read(source)?,
-        ))
-    }
-}
-
-impl<A: Ser, const N: usize> Ser for [A; N] {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        for e in self {
-            e.write(sink).context("some array")?;
-        }
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut k: [A; N] = unsafe { std::mem::zeroed() };
-        for i in 0..N {
-            k[i] = A::read(source)?;
-        }
-        Ok(k)
-    }
-}
-
-impl<T: Ser> Ser for Vec<T> {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        self.len().write(sink)?;
-        for e in self {
-            e.write(sink).context("some vec")?;
-        }
-        Ok(())
-    }
-
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut v = vec![];
-        for _ in 0..usize::read(source)? {
-            v.push(T::read(source)?)
-        }
-        Ok(v)
-    }
-}
-
-pub trait ConstSizeSerExt: Sized {
-    fn write_const_size(&self, sink: &mut impl Write, size: usize) -> anyhow::Result<()>;
-    fn read_const_size(source: &mut impl Read, size: usize) -> anyhow::Result<Self>;
-}
-impl<T: Ser> ConstSizeSerExt for Vec<T> {
-    fn write_const_size(&self, sink: &mut impl Write, size: usize) -> anyhow::Result<()> {
-        assert_eq!(self.len(), size);
-        for e in self {
-            e.write(sink).context("some const-size vec")?;
-        }
-        Ok(())
-    }
-
-    fn read_const_size(source: &mut impl Read, size: usize) -> anyhow::Result<Self> {
-        let mut v = vec![];
-        for _ in 0..size {
-            v.push(T::read(source)?)
-        }
-        Ok(v)
-    }
-}
-
-impl Ser for u8 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink.write_all(&[*self]).context("write u8")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 1];
-        source.read_exact(&mut buf)?;
-        Ok(buf[0])
-    }
-}
-impl Ser for i8 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 1]>(self) })
-            .context("write i8")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 1];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for u16 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 2]>(self) })
-            .context("write u16")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 2];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for u32 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 4]>(self) })
-            .context("write u32")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 4];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for u64 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 8]>(self) })
-            .context("write u64")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 8];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for usize {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 8]>(self) })
-            .context("write usize")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 8];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for isize {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 8]>(self) })
-            .context("write isize")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 8];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for f32 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 4]>(self) })
-            .context("write f32")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 4];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-impl Ser for f64 {
-    fn write(&self, sink: &mut impl Write) -> anyhow::Result<()> {
-        Ok(sink
-            .write_all(&unsafe { std::mem::transmute_copy::<_, [u8; 8]>(self) })
-            .context("write f64")?)
-    }
-    fn read(source: &mut impl Read) -> anyhow::Result<Self> {
-        let mut buf = [0u8; 8];
-        source.read_exact(&mut buf)?;
-        Ok(unsafe { std::mem::transmute_copy(&buf) })
-    }
-}
-
-impl<T: Ser + Copy> Ser for Vec2<T> {
-    fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
-        sink.put((self.x, self.y))
-    }
-
-    fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
-        let (x, y) = source.get()?;
-        Ok(Vec2 { x, y })
-    }
-}
-impl<T: Ser + Copy> Ser for Mat2<T> {
-    fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
-        sink.put((self.a, self.b, self.c, self.d))
-    }
-
-    fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
-        let (a, b, c, d) = source.get()?;
-        Ok(Mat2 { a, b, c, d })
-    }
-}
-
-pub struct Small<T>(pub T);
-impl Ser for Small<Vec2<isize>> {
-    fn write(&self, sink: &mut impl std::io::Write) -> anyhow::Result<()> {
-        sink.put((self.0.x as i8, self.0.y as i8))
-    }
-
-    fn read(source: &mut impl std::io::Read) -> anyhow::Result<Self> {
-        let (x, y): (i8, i8) = source.get()?;
-        Ok(Small(Vec2 {
-            x: x as isize,
-            y: y as isize,
-        }))
-    }
-}
-
-pub fn map_scalar8(v: i8) -> f32 {
-    match v {
-        0 => 0.0,
-        x if x > 0 => 2f32.powf((x as f32).abs() / 2.0 - 2.0),
-        x => -2f32.powf((-x as f32).abs() / 2.0 - 2.0),
-    }
-}
-// const SCALAR8: [f32; 256] = gen_scalar8_lookup();
-// const fn gen_scalar8_lookup() -> [f32; 256] {
-//     let mut a = [0.0; 256];
-//     let mut i = 0usize;
-//     while i < 256 {
-//         a[i as usize] = if i == 0 {
-//             0.0
-//         } else {
-//             let x = i as i8 as f32;
-//             x.signum() * 2f32.powf(x.abs() / 2.0 - 2.0)
-//         };
-//         i += 1;
-//     }
-//     a
-// }
-
-#[cfg(test)]
-mod test {
-    use super::{Ser, Sink};
-    use crate::format::header::Header;
-    use crate::{format::ser::Source, helpers::vector::Vec2};
-    use std::fmt::Debug;
-    use std::io::Cursor;
-
-    fn test_ser<T: PartialEq + Ser + Debug + Clone>(value: T) {
-        let mut buf = vec![];
-        Cursor::new(&mut buf).put(value.clone()).unwrap();
-        assert_eq!(value, Cursor::new(&mut buf).get().unwrap());
-    }
-
-    #[test]
-    fn simple() {
-        let mut buf = vec![];
-        Cursor::new(&mut buf).put(10usize).unwrap();
-        assert_eq!(10usize, Cursor::new(&mut buf).get().unwrap());
-    }
-    #[test]
-    fn tuple() {
-        let mut buf = vec![];
-        Cursor::new(&mut buf).put((10usize, 5u8, 3u16)).unwrap();
-        assert_eq!((10usize, 5u8, 3u16), Cursor::new(&mut buf).get().unwrap());
-    }
-    #[test]
-    fn header() {
-        test_ser(Header {
-            frame_count: 123,
-            resolution: Vec2 { x: 13, y: 37 },
-        });
-    }
-    #[test]
-    fn vec() {
-        test_ser(vec![1u16, 2, 3, 4]);
-    }
-    #[test]
-    fn array() {
-        test_ser([1u16, 2, 3, 4]);
-    }
-}