feat!: remove unfinished manual tagging code for now

crates/typst-layout/src/rules.rs

@@ -23,9 +23,7 @@ use typst_library::model::{
     LinkElem, LinkTarget, ListElem, Outlinable, OutlineElem, OutlineEntry, ParElem,
     ParbreakElem, QuoteElem, RefElem, StrongElem, TableCell, TableElem, TermsElem, Works,
 };
-use typst_library::pdf::{
-    ArtifactElem, EmbedElem, PdfMarkerTag, PdfMarkerTagKind, PdfTagElem,
-};
+use typst_library::pdf::{ArtifactElem, EmbedElem, PdfMarkerTag, PdfMarkerTagKind};
 use typst_library::text::{
     DecoLine, Decoration, HighlightElem, ItalicToggle, LinebreakElem, LocalName,
     OverlineElem, RawElem, RawLine, ScriptKind, ShiftSettings, Smallcaps, SmallcapsElem,
@@ -106,7 +104,6 @@ pub fn register(rules: &mut NativeRuleMap) {
 
     // PDF.
     rules.register(Paged, EMBED_RULE);
-    rules.register(Paged, PDF_TAG_RULE);
     rules.register(Paged, PDF_ARTIFACT_RULE);
     rules.register(Paged, PDF_MARKER_TAG_RULE);
 }
@@ -930,8 +927,6 @@ const EQUATION_RULE: ShowFn<EquationElem> = |elem, _, styles| {
 
 const EMBED_RULE: ShowFn<EmbedElem> = |_, _, _| Ok(Content::empty());
 
-const PDF_TAG_RULE: ShowFn<PdfTagElem> = |elem, _, _| Ok(elem.body.clone());
-
 const PDF_ARTIFACT_RULE: ShowFn<ArtifactElem> = |elem, _, _| Ok(elem.body.clone());
 
 const PDF_MARKER_TAG_RULE: ShowFn<PdfMarkerTag> = |elem, _, _| Ok(elem.body.clone());

crates/typst-library/src/pdf/accessibility.rs

@@ -1,177 +1,12 @@
 use std::num::NonZeroU32;
 
-use ecow::EcoString;
-use typst_macros::{cast, elem, func, Cast};
+use typst_macros::{elem, func, Cast};
 use typst_utils::NonZeroExt;
 
 use crate::foundations::{Content, NativeElement, Smart};
 use crate::introspection::Locatable;
 use crate::model::TableCell;
 
-// TODO: docs
-#[elem(Locatable)]
-pub struct PdfTagElem {
-    #[default(PdfTagKind::NonStruct)]
-    pub kind: PdfTagKind,
-
-    /// An alternate description.
-    pub alt: Option<EcoString>,
-    /// Exact replacement for this structure element and its children.
-    pub actual_text: Option<EcoString>,
-    /// The expanded form of an abbreviation/acronym.
-    pub expansion: Option<EcoString>,
-
-    /// The content to underline.
-    #[required]
-    pub body: Content,
-}
-
-// TODO: docs
-/// PDF structure elements
-#[derive(Clone, Debug, PartialEq, Eq, Hash)]
-pub enum PdfTagKind {
-    // grouping elements
-    /// (Part)
-    Part,
-    /// (Article)
-    Art,
-    /// (Section)
-    Sect,
-    /// (Division)
-    Div,
-    /// (Block quotation)
-    BlockQuote,
-    /// (Caption)
-    Caption,
-    /// (Table of contents)
-    TOC,
-    /// (Table of contents item)
-    TOCI,
-    /// (Index)
-    Index,
-    /// (Nonstructural element)
-    NonStruct,
-    /// (Private element)
-    Private,
-
-    // paragraph like elements
-    /// (Heading)
-    H { title: Option<EcoString> },
-    /// (Heading level 1)
-    H1 { title: Option<EcoString> },
-    /// (Heading level 2)
-    H2 { title: Option<EcoString> },
-    /// (Heading level 3)
-    H4 { title: Option<EcoString> },
-    /// (Heading level 4)
-    H3 { title: Option<EcoString> },
-    /// (Heading level 5)
-    H5 { title: Option<EcoString> },
-    /// (Heading level 6)
-    H6 { title: Option<EcoString> },
-    /// (Paragraph)
-    P,
-
-    // list elements
-    /// (List)
-    L { numbering: ListNumbering },
-    /// (List item)
-    LI,
-    /// (Label)
-    Lbl,
-    /// (List body)
-    LBody,
-
-    // table elements
-    /// (Table)
-    Table,
-    /// (Table row)
-    TR,
-    /// (Table header)
-    TH { scope: TableHeaderScope },
-    /// (Table data cell)
-    TD,
-    /// (Table header row group)
-    THead,
-    /// (Table body row group)
-    TBody,
-    /// (Table footer row group)
-    TFoot,
-
-    // inline elements
-    /// (Span)
-    Span,
-    /// (Quotation)
-    Quote,
-    /// (Note)
-    Note,
-    /// (Reference)
-    Reference,
-    /// (Bibliography Entry)
-    BibEntry,
-    /// (Code)
-    Code,
-    /// (Link)
-    Link,
-    /// (Annotation)
-    Annot,
-
-    /// (Ruby)
-    Ruby,
-    /// (Ruby base text)
-    RB,
-    /// (Ruby annotation text)
-    RT,
-    /// (Ruby punctuation)
-    RP,
-
-    /// (Warichu)
-    Warichu,
-    /// (Warichu text)
-    WT,
-    /// (Warichu punctuation)
-    WP,
-
-    /// (Figure)
-    Figure,
-    /// (Formula)
-    Formula,
-    /// (Form)
-    Form,
-}
-
-cast! {
-    PdfTagKind,
-    self => match self {
-        PdfTagKind::Part => "part".into_value(),
-        _ => todo!(),
-    },
-    "part" => Self::Part,
-    // TODO
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
-pub enum ListNumbering {
-    /// No numbering.
-    None,
-    /// Solid circular bullets.
-    Disc,
-    /// Open circular bullets.
-    Circle,
-    /// Solid square bullets.
-    Square,
-    /// Decimal numbers.
-    Decimal,
-    /// Lowercase Roman numerals.
-    LowerRoman,
-    /// Uppercase Roman numerals.
-    UpperRoman,
-    /// Lowercase letters.
-    LowerAlpha,
-    /// Uppercase letters.
-    UpperAlpha,
-}
-
 /// Mark content as a PDF artifact.
 /// TODO: maybe generalize this and use it to mark html elements with `aria-hidden="true"`?
 #[elem(Locatable)]

crates/typst-library/src/pdf/mod.rs

@@ -13,7 +13,6 @@ pub fn module() -> Module {
     let mut pdf = Scope::deduplicating();
     pdf.start_category(crate::Category::Pdf);
     pdf.define_elem::<EmbedElem>();
-    pdf.define_elem::<PdfTagElem>();
     pdf.define_elem::<ArtifactElem>();
     pdf.define_func::<header_cell>();
     pdf.define_func::<data_cell>();

crates/typst-pdf/src/tags/mod.rs

@@ -20,9 +20,7 @@ use typst_library::model::{
     Destination, EnumElem, FigureCaption, FigureElem, HeadingElem, ListElem, Outlinable,
     OutlineEntry, TableCell, TableElem,
 };
-use typst_library::pdf::{
-    ArtifactElem, ArtifactKind, PdfMarkerTag, PdfMarkerTagKind, PdfTagElem, PdfTagKind,
-};
+use typst_library::pdf::{ArtifactElem, ArtifactKind, PdfMarkerTag, PdfMarkerTagKind};
 use typst_library::visualize::ImageElem;
 
 use crate::convert::GlobalContext;
@@ -56,13 +54,7 @@ pub(crate) fn handle_start(
         return Ok(());
     }
 
-    let tag: Tag = if let Some(pdf_tag) = elem.to_packed::<PdfTagElem>() {
-        let kind = pdf_tag.kind.get_ref(StyleChain::default());
-        match kind {
-            PdfTagKind::Part => TagKind::Part.into(),
-            _ => todo!(),
-        }
-    } else if let Some(tag) = elem.to_packed::<PdfMarkerTag>() {
+    let tag: Tag = if let Some(tag) = elem.to_packed::<PdfMarkerTag>() {
         match tag.kind {
             PdfMarkerTagKind::OutlineBody => {
                 push_stack(gc, loc, StackEntryKind::Outline(OutlineCtx::new()))?;