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This commit is contained in:
Laurenz 2022-05-27 16:37:03 +02:00
parent f8009b5b59
commit 8ba11b0722
2 changed files with 6 additions and 5 deletions
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3
src/frame.rs
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@ -219,7 +219,8 @@ pub enum Element {
Image(ImageId, Size),
/// A link to an external resource and its trigger region.
Link(Destination, Size),
/// A pin identified by index.
/// A pin identified by index. This is used to find elements on the pages
/// and use their location in formatting. Exporters can just ignore it.
Pin(usize),
}

8
src/model/locate.rs
View File

@ -85,7 +85,7 @@ struct SingleNode(Spanned<Func>);
impl SingleNode {
fn realize(&self, ctx: &mut Context) -> TypResult<Content> {
let idx = ctx.pins.cursor();
let pin = ctx.pins.next(None, None);
let pin = ctx.pins.get_or_create(None, None);
let dict = pin.encode(None);
let args = Args::new(self.0.span, [Value::Dict(dict)]);
Ok(Content::Pin(idx) + self.0.v.call_detached(ctx, args)?.display())
@ -106,7 +106,7 @@ struct EntryNode {
impl EntryNode {
fn realize(&self, ctx: &mut Context) -> TypResult<Content> {
let idx = ctx.pins.cursor();
let pin = ctx.pins.next(Some(self.group.clone()), self.value.clone());
let pin = ctx.pins.get_or_create(Some(self.group.clone()), self.value.clone());
// Determine the index among the peers.
let index = ctx
@ -231,8 +231,8 @@ impl PinBoard {
self.list.len() - self.list.iter().zip(&prev.list).filter(|(a, b)| a == b).count()
}
/// Access the next pin.
fn next(&mut self, group: Option<Group>, value: Option<Value>) -> Pin {
/// Access or create the next pin.
fn get_or_create(&mut self, group: Option<Group>, value: Option<Value>) -> Pin {
if self.frozen() {
return Pin::default();
}