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Finished converting back to Vec.

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This commit is contained in:
Tom Alexander 2020-06-06 22:45:58 -04:00
parent b0efe50410
commit 00699b84ba
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 21 additions and 20 deletions
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41
src/renderer/renderer.rs
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@ -242,12 +242,12 @@ impl<'a> DustRenderer<'a> {
fn new_breadcrumbs_partial<'b>(
&'b self,
maybe_breadcrumbs: &'b Vec<BreadcrumbTreeElement<'b>>,
explicit_context_maybe_breadcrumbs: &'a Vec<BreadcrumbTreeElement<'a>>,
breadcrumbs: &'b Vec<BreadcrumbTreeElement<'b>>,
explicit_context_breadcrumbs: &'a Vec<BreadcrumbTreeElement<'a>>,
injected_context: Option<&'b dyn IntoContextElement>,
explicit_context: &Option<Path<'b>>,
) {
/*
) -> Option<Vec<BreadcrumbTreeElement<'b>>> {
// If none of the additional contexts are present, return None
// to signal that the original breadcrumbs should be used
// rather than incurring a copy here.
@ -258,11 +258,10 @@ impl<'a> DustRenderer<'a> {
// If there is an explicit context, then drop all the current
// context
let mut parent = match explicit_context {
Some(_) => None,
None => maybe_breadcrumbs,
let mut new_stack = match explicit_context {
Some(_) => Vec::with_capacity(3),
None => breadcrumbs.clone(),
};
let mut new_nodes: Vec<BreadcrumbTreeElement> = Vec::new();
injected_context.map(|ctx| {
// Special case: when there is no explicit context, the
@ -271,32 +270,27 @@ impl<'a> DustRenderer<'a> {
// added after the current context but before the explicit
// context.
match explicit_context {
None => {
let (new_parent, passed_nodes) =
Self::split_tree_at_predicate(parent, |b| b.get_ice().is_pseudo_element());
parent = new_parent;
new_nodes.extend(passed_nodes.iter().map(|b| b.get_element().clone()));
}
_ => new_nodes.push(BreadcrumbTreeElement::from_borrowed(ctx)),
None => new_stack.insert(Self::get_index_of_first_non_pseudo_element(&new_stack).unwrap_or(0), BreadcrumbTreeElement::from_borrowed(ctx)),
_ => new_stack.push(BreadcrumbTreeElement::from_borrowed(ctx))
}
});
explicit_context.as_ref().map(|path| {
// TODO: should resolving the value here use
// explicit_context_maybe_breadcrumbs or
// maybe_breadcrumbs?
walk_path(explicit_context_maybe_breadcrumbs, &path.keys)
.map(|ice| ice.into_context_element(self, maybe_breadcrumbs))
walk_path(explicit_context_breadcrumbs, &path.keys)
.map(|ice| ice.into_context_element(self, breadcrumbs))
.ok()
.flatten()
.map(|val| {
if val.get_context_element_reference().is_truthy() {
new_nodes.push(std::convert::From::from(val));
new_stack.push(std::convert::From::from(val));
}
});
});
Some((parent, new_nodes))*/
todo!()
Some(new_stack)
}
fn preprocess_filters(filters: &Vec<Filter>) -> Vec<Filter> {
@ -313,6 +307,13 @@ impl<'a> DustRenderer<'a> {
}
final_filters
}
fn get_index_of_first_non_pseudo_element<'b>(breadcrumbs: &'b Vec<BreadcrumbTreeElement<'b>>) -> Option<usize>
{
breadcrumbs
.iter()
.rposition(|b| std::borrow::Borrow::<dyn IntoContextElement + 'b>::borrow(b).is_pseudo_element())
}
}
struct BlockContext<'a> {