enable rest of layout operators

This commit is contained in:
🪞👃🪞 2025-01-13 23:58:15 +01:00
parent 08a6716bb7
commit ddcb967a2c

View file

@ -1,10 +1,54 @@
use crate::*; use crate::*;
use std::marker::PhantomData; use std::marker::PhantomData;
use EdnItem::*; use EdnItem::*;
pub type EdnCallback<'a, O, State> = /// Renders from EDN source and context.
dyn Fn(&'a State)-> RenderBox<'a, O> + Send + Sync + 'a; #[derive(Default)]
pub type EdnRenderCallback<'a, O, State> = pub enum EdnView<'a, E: Output, T: EdnViewData<'a, E> + std::fmt::Debug> {
Box<EdnCallback<'a, O, State>>; #[default]
Inert,
_Unused(PhantomData<&'a E>),
Ok(T, EdnItem<&'a str>),
//render: Box<dyn Fn(&'a T)->Box<dyn Render<E> + Send + Sync + 'a> + Send + Sync + 'a>
Err(String)
}
impl<'a, E: Output, T: EdnViewData<'a, E> + std::fmt::Debug> std::fmt::Debug for EdnView<'a, E, T> {
fn fmt (&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
match self {
Self::Inert | Self::_Unused(_) => write!(f, "EdnView::Inert"),
Self::Ok(state, view) => write!(f, "EdnView::Ok(state={state:?} view={view:?}"),
Self::Err(error) => write!(f, "EdnView::Err({error})"),
}
}
}
impl<'a, E: Output, T> EdnViewData<'a, E> for T where T:
EdnProvide<'a, bool> +
EdnProvide<'a, usize> +
EdnProvide<'a, E::Unit> +
EdnProvide<'a, Box<dyn Render<E> + 'a>>
{}
impl<'a, E: Output, T: EdnViewData<'a, E> + std::fmt::Debug> EdnView<'a, E, T> {
pub fn from_source (state: T, source: &'a str) -> Self {
match EdnItem::read_one(&source) {
Ok((layout, _)) => Self::Ok(state, layout),
Err(error) => Self::Err(format!("{error} in {source}"))
}
}
pub fn from_items (state: T, items: Vec<EdnItem<&'a str>>) -> Self {
Self::Ok(state, EdnItem::Exp(items))
}
}
impl<E: Output, T: for<'a>EdnViewData<'a, E> + Send + Sync + std::fmt::Debug> Content<E> for EdnView<'_, E, T> {
fn content (&self) -> impl Render<E> {
match self {
Self::Ok(state, layout) => state.get_content(layout),
Self::Err(_error) => {
panic!("{self:?}");
//TODO:&format!("EdnView error: {error:?}")) // FIXME: String is not Render
},
_ => todo!()
}
}
}
/// Provides values to the template /// Provides values to the template
pub trait EdnViewData<'a, E: Output>: pub trait EdnViewData<'a, E: Output>:
EdnProvide<'a, bool> + EdnProvide<'a, bool> +
@ -27,181 +71,68 @@ pub trait EdnViewData<'a, E: Output>:
fn get_unit (&'a self, item: &'a EdnItem<&str>) -> E::Unit { fn get_unit (&'a self, item: &'a EdnItem<&str>) -> E::Unit {
match &item { Num(n) => (*n as u16).into(), _ => EdnProvide::get_or_fail(self, item) } match &item { Num(n) => (*n as u16).into(), _ => EdnProvide::get_or_fail(self, item) }
} }
fn arg <T> (&'a self, item: &'a EdnItem<&'a str>) -> Option<T> where Self: EdnProvide<'a, T> {
EdnProvide::<T>::get(self, item)
}
fn item (&'a self, item: &'a EdnItem<&'a str>) -> Option<Box<dyn Render<E> + 'a>> {
self.get(item)
}
fn get_content (&'a self, item: &'a EdnItem<&'a str>) -> Box<dyn Render<E> + 'a> where E: 'a { fn get_content (&'a self, item: &'a EdnItem<&'a str>) -> Box<dyn Render<E> + 'a> where E: 'a {
match item { match item {
Nil => Box::new(()), Nil => Box::new(()),
Exp(e) => if let [head, tail @ ..] = e.as_slice() { Exp(e) => if let [head, tail @ ..] = e.as_slice() {
if let Some(builtin) = When::<_, RenderBox<'a, E>>::try_from_edn(self, head, tail) { if let Some(builtin) = When::<_, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed() return builtin.boxed()
} }
if let Some(builtin) = Either::<_, RenderBox<'a, E>, RenderBox<'a, E>>::try_from_edn( if let Some(builtin) = Either::<_, RenderBox<'a, E>, RenderBox<'a, E>>::try_from_edn(
self, head, tail self, head, tail
) { ) {
return builtin.boxed() return builtin.boxed()
} }
if let Some(builtin) = Align::<_, RenderBox<'a, E>>::try_from_edn(self, head, tail) { if let Some(builtin) = Align::<_, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed() return builtin.boxed()
} }
if let Some(builtin) = Bsp::<_, RenderBox<'a, E>, RenderBox<'a, E>>::try_from_edn( if let Some(builtin) = Bsp::<_, RenderBox<'a, E>, RenderBox<'a, E>>::try_from_edn(
self, head, tail self, head, tail
) { ) {
return builtin.boxed() return builtin.boxed()
} }
if let Some(builtin) = Fill::<_, RenderBox<'a, E>>::try_from_edn(self, head, tail) { if let Some(builtin) = Fill::<_, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed() return builtin.boxed()
} }
if let Some(builtin) = Fixed::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
panic!("{item:?}"); return builtin.boxed()
match (head, tail) {
(Key("fixed/x"), [x, a]) => Fixed::x(self.arg(x).unwrap(), self.get_content(a)).boxed(),
(Key("fixed/y"), [y, a]) => Fixed::y(self.arg(y).unwrap(), self.get_content(a)).boxed(),
(Key("fixed/xy"), [x, y, a]) => Fixed::xy(self.arg(x).unwrap(), self.arg(y).unwrap(), self.get_content(a)).boxed(),
(Key("max/x"), [x, a]) => Max::x(self.arg(x).unwrap(), self.get_content(a)).boxed(),
(Key("max/y"), [y, a]) => Max::y(self.arg(y).unwrap(), self.get_content(a)).boxed(),
(Key("push/x"), [x, a]) => Push::x(self.arg(x).unwrap(), self.get_content(a)).boxed(),
(Key("push/y"), [y, a]) => Push::y(self.arg(y).unwrap(), self.get_content(a)).boxed(),
(Key("pad/x"), [x, a]) => Padding::x(self.arg(x).unwrap(), self.get_content(a)).boxed(),
(Key("pad/y"), [y, a]) => Padding::y(self.arg(y).unwrap(), self.get_content(a)).boxed(),
(Key("pad/xy"), [x, y, a]) => Padding::xy(self.arg(x).unwrap(), self.arg(y).unwrap(), self.get_content(a)).boxed(),
(Key("grow/x"), [x, a]) => Margin::x(self.arg(x).unwrap(), self.get_content(a)).boxed(),
(Key("grow/y"), [y, a]) => Margin::y(self.arg(y).unwrap(), self.get_content(a)).boxed(),
(Key("grow/xy"), [x, y, a]) => Margin::xy(self.arg(x).unwrap(), self.arg(y).unwrap(), self.get_content(a)).boxed(),
_ => todo!("{:?} {:?}", &head, &tail)
} }
if let Some(builtin) = Min::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed()
}
if let Some(builtin) = Max::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed()
}
if let Some(builtin) = Shrink::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed()
}
if let Some(builtin) = Expand::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed()
}
if let Some(builtin) = Push::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed()
}
if let Some(builtin) = Pull::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed()
}
if let Some(builtin) = Margin::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed()
}
if let Some(builtin) = Padding::<_, _, RenderBox<'a, E>>::try_from_edn(self, head, tail) {
return builtin.boxed()
}
EdnProvide::get_or_fail(self, &item)
} else { } else {
panic!("invalid expression: {e:?}") EdnProvide::get_or_fail(self, &item)
}, },
_ => EdnProvide::get_or_fail(self, &item) _ => EdnProvide::get_or_fail(self, &item)
} }
//panic!("no content") //panic!("no content")
} }
} }
impl<'a, E: Output, T> EdnViewData<'a, E> for T where T: // A function that returns a `RenderBox.
EdnProvide<'a, bool> + pub type EdnCallback<'a, O, State> =
EdnProvide<'a, usize> + dyn Fn(&'a State)-> RenderBox<'a, O> + Send + Sync + 'a;
EdnProvide<'a, E::Unit> + // A box containing a function that returns a `RenderBox.
EdnProvide<'a, Box<dyn Render<E> + 'a>> pub type EdnRenderCallback<'a, O, State> =
{} Box<EdnCallback<'a, O, State>>;
/// Renders from EDN source and context.
#[derive(Default)]
pub enum EdnView<'a, E: Output, T: EdnViewData<'a, E> + std::fmt::Debug> {
#[default]
Inert,
_Unused(PhantomData<&'a E>),
Ok(T, EdnItem<&'a str>),
//render: Box<dyn Fn(&'a T)->Box<dyn Render<E> + Send + Sync + 'a> + Send + Sync + 'a>
Err(String)
}
impl<'a, E: Output, T: EdnViewData<'a, E> + std::fmt::Debug> std::fmt::Debug for EdnView<'a, E, T> {
fn fmt (&self, f: &mut std::fmt::Formatter<'_>) -> Result<(), std::fmt::Error> {
match self {
Self::Inert | Self::_Unused(_) => write!(f, "EdnView::Inert"),
Self::Ok(state, view) => write!(f, "EdnView::Ok(state={state:?} view={view:?}"),
Self::Err(error) => write!(f, "EdnView::Err({error})"),
}
}
}
impl<'a, E: Output, T: EdnViewData<'a, E> + std::fmt::Debug> EdnView<'a, E, T> {
pub fn from_source (state: T, source: &'a str) -> Self {
match EdnItem::read_one(&source) {
Ok((layout, _)) => Self::Ok(state, layout),
Err(error) => Self::Err(format!("{error} in {source}"))
}
}
pub fn from_items (state: T, items: Vec<EdnItem<&'a str>>) -> Self {
Self::Ok(state, EdnItem::Exp(items))
}
}
impl<E: Output, T: for<'a>EdnViewData<'a, E> + Send + Sync + std::fmt::Debug> Content<E> for EdnView<'_, E, T> {
fn content (&self) -> impl Render<E> {
match self {
Self::Ok(state, layout) => state.get_content(layout),
Self::Err(_error) => {
panic!("{self:?}");
//TODO:&format!("EdnView error: {error:?}")) // FIXME: String is not Render
},
_ => todo!()
}
}
}
//fn match_exp <'a, E: Output + 'a, State: EdnViewData<'a, E>> (
//s: &'a State,
//head: &EdnItem<&str>,
//tail: &'a [EdnItem<String>]
//) -> Box<dyn Render<E> + 'a> {
//match (head, tail) {
//(Key("when"), [c, a]) => When(
//s.get_bool(c.to_ref()),
//s.get_content(a.to_ref())).boxed(),
//(Key("either"),[c, a, b]) => Either(
//s.get_bool(c.to_ref()),
//s.get_content(a.to_ref()),
//s.get_content(b.to_ref())).boxed(),
//(Key("align/c"), [a]) => Align::c(s.get_content(a.to_ref())).boxed(),
//(Key("align/x"), [a]) => Align::x(s.get_content(a.to_ref())).boxed(),
//(Key("align/y"), [a]) => Align::y(s.get_content(a.to_ref())).boxed(),
//(Key("align/n"), [a]) => Align::n(s.get_content(a.to_ref())).boxed(),
//(Key("align/s"), [a]) => Align::s(s.get_content(a.to_ref())).boxed(),
//(Key("align/e"), [a]) => Align::e(s.get_content(a.to_ref())).boxed(),
//(Key("align/w"), [a]) => Align::w(s.get_content(a.to_ref())).boxed(),
//(Key("align/nw"), [a]) => Align::nw(s.get_content(a.to_ref())).boxed(),
//(Key("align/ne"), [a]) => Align::ne(s.get_content(a.to_ref())).boxed(),
//(Key("align/sw"), [a]) => Align::sw(s.get_content(a.to_ref())).boxed(),
//(Key("align/se"), [a]) => Align::se(s.get_content(a.to_ref())).boxed(),
//(Key("bsp/a"), [a, b]) => Bsp::a(s.get_content(a.to_ref()), s.get_content(b.to_ref()),).boxed(),
//(Key("bsp/b"), [a, b]) => Bsp::b(s.get_content(a.to_ref()), s.get_content(b.to_ref()),).boxed(),
//(Key("bsp/e"), [a, b]) => Bsp::e(s.get_content(a.to_ref()), s.get_content(b.to_ref()),).boxed(),
//(Key("bsp/n"), [a, b]) => Bsp::n(s.get_content(a.to_ref()), s.get_content(b.to_ref()),).boxed(),
//(Key("bsp/s"), [a, b]) => Bsp::s(s.get_content(a.to_ref()), s.get_content(b.to_ref()),).boxed(),
//(Key("bsp/w"), [a, b]) => Bsp::w(s.get_content(a.to_ref()), s.get_content(b.to_ref()),).boxed(),
//(Key("fill/x"), [a]) => Fill::x(s.get_content(a.to_ref())).boxed(),
//(Key("fill/y"), [a]) => Fill::y(s.get_content(a.to_ref())).boxed(),
//(Key("fill/xy"), [a]) => Fill::xy(s.get_content(a.to_ref())).boxed(),
//(Key("fixed/x"), [x, a]) => Fixed::x(s.get_unit(x.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("fixed/y"), [y, a]) => Fixed::y(s.get_unit(y.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("fixed/xy"), [x, y, a]) => Fixed::xy(s.get_unit(x.to_ref()), s.get_unit(y.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("max/x"), [x, a]) => Max::x(s.get_unit(x.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("max/y"), [y, a]) => Max::y(s.get_unit(y.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("push/x"), [x, a]) => Push::x(s.get_unit(x.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("push/y"), [y, a]) => Push::y(s.get_unit(y.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("pad/x"), [x, a]) => Padding::x(s.get_unit(x.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("pad/y"), [y, a]) => Padding::y(s.get_unit(y.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("pad/xy"), [x, y, a]) => Padding::xy(s.get_unit(x.to_ref()), s.get_unit(y.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("grow/x"), [x, a]) => Margin::x(s.get_unit(x.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("grow/y"), [y, a]) => Margin::y(s.get_unit(y.to_ref()), s.get_content(a.to_ref())).boxed(),
//(Key("grow/xy"), [x, y, a]) => Margin::xy(s.get_unit(x.to_ref()), s.get_unit(y.to_ref()), s.get_content(a.to_ref())).boxed(),
//_ => todo!("{:?} {:?}", &head, &tail)
//}
//}