wip: dsl, output, input, proc, tui: sorting out give and take
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🪞👃🪞 2025-05-24 23:57:12 +03:00
parent 5a2177cc77
commit 3e1084555b
10 changed files with 273 additions and 301 deletions

View file

@ -31,32 +31,38 @@ use crate::*;
#[derive(Debug, Copy, Clone, Default)]
pub enum Alignment { #[default] Center, X, Y, NW, N, NE, E, SE, S, SW, W }
pub struct Align<A>(Alignment, A);
#[cfg(feature = "dsl")]take!(Align<A>, A|state: Give<A>, words|Ok(Some(match words.peek() {
Some(Token { value: Value::Key(key), .. }) => match key {
"align/c"|"align/x"|"align/y"|
"align/n"|"align/s"|"align/e"|"al;qign/w"|
"align/nw"|"align/sw"|"align/ne"|"align/se" => {
let _ = words.next().unwrap();
let content = state.give_or_fail(&mut words.clone(), ||"expected content")?;
match key {
"align/c" => Self::c(content),
"align/x" => Self::x(content),
"align/y" => Self::y(content),
"align/n" => Self::n(content),
"align/s" => Self::s(content),
"align/e" => Self::e(content),
"align/w" => Self::w(content),
"align/nw" => Self::nw(content),
"align/ne" => Self::ne(content),
"align/sw" => Self::sw(content),
"align/se" => Self::se(content),
_ => unreachable!()
}
},
_ => return Ok(None)
},
_ => return Ok(None)
})));
#[cfg(feature = "dsl")]
impl<'state, State: Give<'state, A>, A: 'state> Take<'state, State> for Align<A> {
fn take <'source: 'state> (state: &State, words: TokenIter<'source>) -> Perhaps<Self> {
todo!()
}
}
//give!(Align<A>, A|state, words|Ok(Some(match words.peek() {
//Some(Token { value: Value::Key(key), .. }) => match key {
//"align/c"|"align/x"|"align/y"|
//"align/n"|"align/s"|"align/e"|"al;qign/w"|
//"align/nw"|"align/sw"|"align/ne"|"align/se" => {
//let _ = words.next().unwrap();
//let content = Take::take_or_fail(state, &mut words.clone(), ||"expected content")?;
//match key {
//"align/c" => Self::c(content),
//"align/x" => Self::x(content),
//"align/y" => Self::y(content),
//"align/n" => Self::n(content),
//"align/s" => Self::s(content),
//"align/e" => Self::e(content),
//"align/w" => Self::w(content),
//"align/nw" => Self::nw(content),
//"align/ne" => Self::ne(content),
//"align/sw" => Self::sw(content),
//"align/se" => Self::se(content),
//_ => unreachable!()
//}
//},
//_ => return Ok(None)
//},
//_ => return Ok(None)
//})));
impl<A> Align<A> {
#[inline] pub const fn c (a: A) -> Self { Self(Alignment::Center, a) }

View file

@ -20,34 +20,29 @@ impl<E: Output, A: Content<E>, B: Content<E>> Content<E> for Bsp<A, B> {
}
}
}
#[cfg(feature = "dsl")]
impl<'n, State: Give<A> + Give<B>, A: 'n, B: 'n> Take<'n, State> for Bsp<A, B> {
fn take <'source> (state: &State, words: &mut TokenIter<'source>) -> Perhaps<Self> {
Ok(if let Some(Token {
value: Value::Key("bsp/n"|"bsp/s"|"bsp/e"|"bsp/w"|"bsp/a"|"bsp/b"),
..
}) = words.peek() {
if let Value::Key(key) = words.next().unwrap().value() {
let base = words.clone();
let a: A = state.give_or_fail(words, ||"bsp: expected content 1")?;
let b: B = state.give_or_fail(words, ||"bsp: expected content 2")?;
return Ok(Some(match key {
"bsp/n" => Self::n(a, b),
"bsp/s" => Self::s(a, b),
"bsp/e" => Self::e(a, b),
"bsp/w" => Self::w(a, b),
"bsp/a" => Self::a(a, b),
"bsp/b" => Self::b(a, b),
_ => unreachable!(),
}))
} else {
unreachable!()
}
} else {
None
})
#[cfg(feature = "dsl")] take!(Bsp<A, B>, A, B|state, words|Ok(if let Some(Token {
value: Value::Key("bsp/n"|"bsp/s"|"bsp/e"|"bsp/w"|"bsp/a"|"bsp/b"),
..
}) = words.peek() {
if let Value::Key(key) = words.next().unwrap().value() {
let base = words.clone();
let a: A = state.give_or_fail(words, ||"bsp: expected content 1")?;
let b: B = state.give_or_fail(words, ||"bsp: expected content 2")?;
return Ok(Some(match key {
"bsp/n" => Self::n(a, b),
"bsp/s" => Self::s(a, b),
"bsp/e" => Self::e(a, b),
"bsp/w" => Self::w(a, b),
"bsp/a" => Self::a(a, b),
"bsp/b" => Self::b(a, b),
_ => unreachable!(),
}))
} else {
unreachable!()
}
}
} else {
None
}));
impl<A, B> Bsp<A, B> {
#[inline] pub const fn n (a: A, b: B) -> Self { Self(North, a, b) }
#[inline] pub const fn s (a: A, b: B) -> Self { Self(South, a, b) }

View file

@ -8,21 +8,18 @@ impl<A, B> Either<A, B> {
Self(c, a, b)
}
}
#[cfg(feature = "dsl")]
impl<'n, State: Give<bool> + Give<A> + Give<B>, A: 'n, B: 'n> Take<'n, State> for Either<A, B> {
fn take <'source> (state: &State, token: &mut TokenIter<'source>) -> Perhaps<Self> {
if let Some(Token { value: Value::Key("either"), .. }) = token.peek() {
let base = token.clone();
let _ = token.next().unwrap();
return Ok(Some(Self(
state.give_or_fail(token, ||"either: no condition")?,
state.give_or_fail(token, ||"either: no content 1")?,
state.give_or_fail(token, ||"either: no content 2")?,
)))
}
Ok(None)
}
}
#[cfg(feature = "dsl")] take!(Either<A, B>, A, B|state, words|Ok(
if let Some(Token { value: Value::Key("either"), .. }) = words.peek() {
let base = words.clone();
let _ = words.next().unwrap();
return Ok(Some(Self(
state.give_or_fail(words, ||"either: no condition")?,
state.give_or_fail(words, ||"either: no content 1")?,
state.give_or_fail(words, ||"either: no content 2")?,
)))
} else {
None
}));
impl<E: Output, A: Render<E>, B: Render<E>> Content<E> for Either<A, B> {
fn layout (&self, to: E::Area) -> E::Area {
let Self(cond, a, b) = self;

View file

@ -32,26 +32,19 @@ macro_rules! transform_xy {
#[inline] pub const fn y (item: A) -> Self { Self::Y(item) }
#[inline] pub const fn xy (item: A) -> Self { Self::XY(item) }
}
#[cfg(feature = "dsl")]
impl<'n, A: 'n, T: Give<A>> Take<'n, T> for $Enum<A> {
fn take <'source> (state: &T, token: &mut TokenIter<'source>)
-> Perhaps<Self>
{
if let Some(Token { value: Value::Key(k), .. }) = token.peek() {
let mut base = token.clone();
return Ok(Some(match token.next() {
Some(Token{value:Value::Key($x),..}) =>
Self::x(state.give_or_fail(token, ||"x: no content")?),
Some(Token{value:Value::Key($y),..}) =>
Self::y(state.give_or_fail(token, ||"y: no content")?),
Some(Token{value:Value::Key($xy),..}) =>
Self::xy(state.give_or_fail(token, ||"xy: no content")?),
_ => unreachable!()
}))
}
Ok(None)
}
}
#[cfg(feature = "dsl")] take!($Enum<A>, A|state, words|Ok(
if let Some(Token { value: Value::Key(k), .. }) = words.peek() {
let mut base = words.clone();
let content = state.give_or_fail(words, ||format!("{k}: no content"))?;
return Ok(Some(match words.next() {
Some(Token{value: Value::Key($x),..}) => Self::x(content),
Some(Token{value: Value::Key($y),..}) => Self::y(content),
Some(Token{value: Value::Key($xy),..}) => Self::xy(content),
_ => unreachable!()
}))
} else {
None
}));
impl<E: Output, T: Content<E>> Content<E> for $Enum<T> {
fn content (&self) -> impl Render<E> + '_ {
match self {
@ -78,56 +71,45 @@ macro_rules! transform_xy_unit {
#[inline] pub const fn y (y: U, item: A) -> Self { Self::Y(y, item) }
#[inline] pub const fn xy (x: U, y: U, item: A) -> Self { Self::XY(x, y, item) }
}
#[cfg(feature = "dsl")]
impl<'n, A: 'n, U: Coordinate + 'n, T: Give<A> + Give<U>> Take<'n, T> for $Enum<U, A> {
fn take <'source> (
state: &T, token: &mut TokenIter<'source>
) -> Perhaps<Self> {
Ok(if let Some(Token { value: Value::Key($x|$y|$xy), .. }) = token.peek() {
let mut base = token.clone();
Some(match token.next() {
Some(Token { value: Value::Key($x), .. }) => Self::x(
state.give_or_fail(token, ||"x: no unit")?,
state.give_or_fail(token, ||"x: no content")?,
),
Some(Token { value: Value::Key($y), .. }) => Self::y(
state.give_or_fail(token, ||"y: no unit")?,
state.give_or_fail(token, ||"y: no content")?,
),
Some(Token { value: Value::Key($x), .. }) => Self::xy(
state.give_or_fail(token, ||"xy: no unit x")?,
state.give_or_fail(token, ||"xy: no unit y")?,
state.give_or_fail(token, ||"xy: no content")?
),
_ => unreachable!(),
})
} else {
None
#[cfg(feature = "dsl")] take!($Enum<U, A>, U, A|state, words|Ok(
if let Some(Token { value: Value::Key($x|$y|$xy), .. }) = words.peek() {
let mut base = words.clone();
Some(match words.next() {
Some(Token { value: Value::Key($x), .. }) => Self::x(
state.give_or_fail(words, ||"x: no unit")?,
state.give_or_fail(words, ||"x: no content")?,
),
Some(Token { value: Value::Key($y), .. }) => Self::y(
state.give_or_fail(words, ||"y: no unit")?,
state.give_or_fail(words, ||"y: no content")?,
),
Some(Token { value: Value::Key($x), .. }) => Self::xy(
state.give_or_fail(words, ||"xy: no unit x")?,
state.give_or_fail(words, ||"xy: no unit y")?,
state.give_or_fail(words, ||"xy: no content")?
),
_ => unreachable!(),
})
}
}
} else {
None
}));
impl<E: Output, T: Content<E>> Content<E> for $Enum<E::Unit, T> {
fn content (&self) -> impl Render<E> + '_ {
Some(match self {
Self::X(_, content) => content,
Self::Y(_, content) => content,
Self::XY(_, _, content) => content,
})
}
fn layout (&$self, $to: E::Area) -> E::Area {
$layout.into()
}
fn content (&self) -> impl Render<E> + '_ {
use $Enum::*;
Some(match self { X(_, c) => c, Y(_, c) => c, XY(_, _, c) => c, })
}
}
impl<U: Copy + Coordinate, T> $Enum<U, T> {
impl<U: Coordinate, T> $Enum<U, T> {
#[inline] pub fn dx (&self) -> U {
match self {
Self::X(x, _) => *x, Self::Y(_, _) => 0.into(), Self::XY(x, _, _) => *x,
}
use $Enum::*;
match self { X(x, _) => *x, Y(_, _) => 0.into(), XY(x, _, _) => *x, }
}
#[inline] pub fn dy (&self) -> U {
match self {
Self::X(_, _) => 0.into(), Self::Y(y, _) => *y, Self::XY(_, y, _) => *y,
}
use $Enum::*;
match self { X(_, _) => 0.into(), Y(y, _) => *y, XY(_, y, _) => *y, }
}
}
}

View file

@ -1,33 +1,22 @@
use crate::*;
/// Show an item only when a condition is true.
pub struct When<A>(pub bool, pub A);
impl<A> When<A> {
/// Create a binary condition.
pub const fn new (c: bool, a: A) -> Self {
Self(c, a)
}
}
#[cfg(feature = "dsl")]
impl<'n, State: Give<bool>, A: Take<'n, State>> Take<'n, State> for When<A> {
fn take <'source> (state: &State, words: &mut TokenIter<'source>) -> Perhaps<Self> {
Ok(if let Some(Token {
value: Value::Key("when"),
..
}) = words.peek() {
let _ = words.next();
let base = words.clone();
return Ok(Some(Self(
state.give_or_fail(words, ||"cond: no condition")?,
A::take_or_fail(state, words, ||"cond: no content")?,
)))
} else {
None
})
}
}
#[cfg(feature = "dsl")]take!(When<A>, A|state, words|Ok(Some(match words.peek() {
Some(Token { value: Value::Key("when"), .. }) => {
let _ = words.next();
let base = words.clone();
let cond = state.give_or_fail(words, ||"cond: no condition")?;
let cont = state.give_or_fail(words, ||"cond: no content")?;
Self(cond, cont)
},
_ => return Ok(None)
})));
impl<E: Output, A: Render<E>> Content<E> for When<A> {
fn layout (&self, to: E::Area) -> E::Area {