Merge ccabbe5bec4ea62fb05747154b0027f70ab3c811 into 9a6268050fb769e18c4889fa5f59d4150e8878d6

crates/typst-html/src/convert.rs

@@ -1,3 +1,5 @@
+use crate::fragment::html_fragment;
+use crate::{attr, tag, FrameElem, HtmlElem, HtmlElement, HtmlFrame, HtmlNode};
 use typst_library::diag::{warning, SourceResult};
 use typst_library::engine::Engine;
 use typst_library::foundations::{Content, StyleChain, Target, TargetElem};
@@ -5,10 +7,10 @@ use typst_library::introspection::{SplitLocator, TagElem};
 use typst_library::layout::{Abs, Axes, BlockBody, BlockElem, BoxElem, Region, Size};
 use typst_library::model::ParElem;
 use typst_library::routines::Pair;
-use typst_library::text::{LinebreakElem, SmartQuoteElem, SpaceElem, TextElem};
-
-use crate::fragment::html_fragment;
-use crate::{attr, tag, FrameElem, HtmlElem, HtmlElement, HtmlFrame, HtmlNode};
+use typst_library::text::{
+    is_default_ignorable, LinebreakElem, SmartQuoteElem, SmartQuoter, SmartQuotes,
+    SpaceElem, TextElem,
+};
 
 /// Converts realized content into HTML nodes.
 pub fn convert_to_nodes<'a>(
@@ -16,9 +18,10 @@ pub fn convert_to_nodes<'a>(
     locator: &mut SplitLocator,
     children: impl IntoIterator<Item = Pair<'a>>,
 ) -> SourceResult<Vec<HtmlNode>> {
+    let mut quoter = SmartQuoter::new();
     let mut output = Vec::new();
     for (child, styles) in children {
-        handle(engine, child, locator, styles, &mut output)?;
+        handle(engine, child, locator, styles, &mut quoter, &mut output)?;
     }
     Ok(output)
 }
@@ -29,6 +32,7 @@ fn handle(
     child: &Content,
     locator: &mut SplitLocator,
     styles: StyleChain,
+    quoter: &mut SmartQuoter,
     output: &mut Vec<HtmlNode>,
 ) -> SourceResult<()> {
     if let Some(elem) = child.to_packed::<TagElem>() {
@@ -95,10 +99,20 @@ fn handle(
     } else if let Some(elem) = child.to_packed::<LinebreakElem>() {
         output.push(HtmlElement::new(tag::br).spanned(elem.span()).into());
     } else if let Some(elem) = child.to_packed::<SmartQuoteElem>() {
-        output.push(HtmlNode::text(
-            if elem.double.get(styles) { '"' } else { '\'' },
-            child.span(),
-        ));
+        let double = elem.double.get(styles);
+        if elem.enabled.get(styles) {
+            let before = last_char(output);
+            let quotes = SmartQuotes::get(
+                elem.quotes.get_ref(styles),
+                styles.get(TextElem::lang),
+                styles.get(TextElem::region),
+                elem.alternative.get(styles),
+            );
+            let quote = quoter.quote(before, &quotes, double);
+            output.push(HtmlNode::text(quote, child.span()));
+        } else {
+            output.push(HtmlNode::text(if double { '"' } else { '\'' }, child.span()));
+        }
     } else if let Some(elem) = child.to_packed::<FrameElem>() {
         let locator = locator.next(&elem.span());
         let style = TargetElem::target.set(Target::Paged).wrap();
@@ -109,10 +123,7 @@ fn handle(
             styles.chain(&style),
             Region::new(Size::splat(Abs::inf()), Axes::splat(false)),
         )?;
-        output.push(HtmlNode::Frame(HtmlFrame {
-            inner: frame,
-            text_size: styles.resolve(TextElem::size),
-        }));
+        output.push(HtmlNode::Frame(HtmlFrame::new(frame, styles)));
     } else {
         engine.sink.warn(warning!(
             child.span(),
@@ -123,6 +134,20 @@ fn handle(
     Ok(())
 }
 
+/// Returns the last non-default ignorable character from the passed nodes.
+fn last_char(nodes: &[HtmlNode]) -> Option<char> {
+    for node in nodes.iter().rev() {
+        if let Some(c) = match node {
+            HtmlNode::Text(s, _) => s.chars().rev().find(|&c| !is_default_ignorable(c)),
+            HtmlNode::Element(e) => last_char(&e.children),
+            _ => None,
+        } {
+            return Some(c);
+        }
+    }
+    None
+}
+
 /// Checks whether the given element is an inline-level HTML element.
 pub fn is_inline(elem: &Content) -> bool {
     elem.to_packed::<HtmlElem>()

crates/typst-html/src/dom.rs

@@ -2,10 +2,11 @@ use std::fmt::{self, Debug, Display, Formatter};
 
 use ecow::{EcoString, EcoVec};
 use typst_library::diag::{bail, HintedStrResult, StrResult};
-use typst_library::foundations::{cast, Dict, Repr, Str};
+use typst_library::foundations::{cast, Dict, Repr, Str, StyleChain};
 use typst_library::introspection::{Introspector, Tag};
 use typst_library::layout::{Abs, Frame};
 use typst_library::model::DocumentInfo;
+use typst_library::text::TextElem;
 use typst_syntax::Span;
 use typst_utils::{PicoStr, ResolvedPicoStr};
 
@@ -279,3 +280,10 @@ pub struct HtmlFrame {
     /// consistently.
     pub text_size: Abs,
 }
+
+impl HtmlFrame {
+    /// Wraps a laid-out frame.
+    pub fn new(inner: Frame, styles: StyleChain) -> Self {
+        Self { inner, text_size: styles.resolve(TextElem::size) }
+    }
+}

crates/typst-html/src/encode.rs

@@ -121,6 +121,7 @@ fn write_children(w: &mut Writer, element: &HtmlElement) -> SourceResult<()> {
     let pretty_inside = allows_pretty_inside(element.tag)
         && element.children.iter().any(|node| match node {
             HtmlNode::Element(child) => wants_pretty_around(child.tag),
+            HtmlNode::Frame(_) => true,
             _ => false,
         });
 
@@ -305,14 +306,6 @@ fn write_escape(w: &mut Writer, c: char) -> StrResult<()> {
 
 /// Encode a laid out frame into the writer.
 fn write_frame(w: &mut Writer, frame: &HtmlFrame) {
-    // FIXME: This string replacement is obviously a hack.
-    let svg = typst_svg::svg_frame(&frame.inner).replace(
-        "<svg class",
-        &format!(
-            "<svg style=\"overflow: visible; width: {}em; height: {}em;\" class",
-            frame.inner.width() / frame.text_size,
-            frame.inner.height() / frame.text_size,
-        ),
-    );
+    let svg = typst_svg::svg_html_frame(&frame.inner, frame.text_size);
     w.buf.push_str(&svg);
 }

crates/typst-svg/src/lib.rs

@@ -45,6 +45,30 @@ pub fn svg_frame(frame: &Frame) -> String {
     renderer.finalize()
 }
 
+/// Export a frame into an SVG suitable for embedding into HTML.
+#[typst_macros::time(name = "svg html frame")]
+pub fn svg_html_frame(frame: &Frame, text_size: Abs) -> String {
+    let mut renderer = SVGRenderer::with_options(xmlwriter::Options {
+        indent: xmlwriter::Indent::None,
+        ..Default::default()
+    });
+    renderer.write_header_with_custom_attrs(frame.size(), |xml| {
+        xml.write_attribute("class", "typst-frame");
+        xml.write_attribute_fmt(
+            "style",
+            format_args!(
+                "overflow: visible; width: {}em; height: {}em;",
+                frame.width() / text_size,
+                frame.height() / text_size,
+            ),
+        );
+    });
+
+    let state = State::new(frame.size(), Transform::identity());
+    renderer.render_frame(state, Transform::identity(), frame);
+    renderer.finalize()
+}
+
 /// Export a document with potentially multiple pages into a single SVG file.
 ///
 /// The padding will be added around and between the individual frames.
@@ -158,8 +182,13 @@ impl State {
 impl SVGRenderer {
     /// Create a new SVG renderer with empty glyph and clip path.
     fn new() -> Self {
+        Self::with_options(Default::default())
+    }
+
+    /// Create a new SVG renderer with the given configuration.
+    fn with_options(options: xmlwriter::Options) -> Self {
         SVGRenderer {
-            xml: XmlWriter::new(xmlwriter::Options::default()),
+            xml: XmlWriter::new(options),
             glyphs: Deduplicator::new('g'),
             clip_paths: Deduplicator::new('c'),
             gradient_refs: Deduplicator::new('g'),
@@ -170,11 +199,22 @@ impl SVGRenderer {
         }
     }
 
-    /// Write the SVG header, including the `viewBox` and `width` and `height`
-    /// attributes.
+    /// Write the default SVG header, including a `typst-doc` class, the
+    /// `viewBox` and `width` and `height` attributes.
     fn write_header(&mut self, size: Size) {
+        self.write_header_with_custom_attrs(size, |xml| {
+            xml.write_attribute("class", "typst-doc");
+        });
+    }
+
+    /// Write the SVG header with additional attributes and standard attributes.
+    fn write_header_with_custom_attrs(
+        &mut self,
+        size: Size,
+        write_custom_attrs: impl FnOnce(&mut XmlWriter),
+    ) {
         self.xml.start_element("svg");
-        self.xml.write_attribute("class", "typst-doc");
+        write_custom_attrs(&mut self.xml);
         self.xml.write_attribute_fmt(
             "viewBox",
             format_args!("0 0 {} {}", size.x.to_pt(), size.y.to_pt()),

tests/ref/html/html-frame.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+  </head>
+  <body>
+    <p>A rectangle:</p>
+    <svg class="typst-frame" style="overflow: visible; width: 4.5em; height: 3em;" viewBox="0 0 45 30" width="45pt" height="30pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:h5="http://www.w3.org/1999/xhtml"><g><g transform="translate(-0 -0)"><path class="typst-shape" fill="none" stroke="#000000" stroke-width="1" stroke-linecap="butt" stroke-linejoin="miter" stroke-miterlimit="4" d="M 0 0 L 0 30 L 45 30 L 45 0 Z "/></g></g></svg>
+  </body>
+</html>

tests/ref/html/par-semantic-html.html

@@ -6,8 +6,8 @@
   </head>
   <body>
     <h2>Heading is no paragraph</h2>
-    <p>I'm a paragraph.</p>
-    <div>I'm not.</div>
+    <p>I’m a paragraph.</p>
+    <div>I’m not.</div>
     <div>
       <p>We are two.</p>
       <p>So we are paragraphs.</p>

tests/ref/html/quote-nesting-html.html

@@ -5,6 +5,6 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
   </head>
   <body>
-    <p>When you said that “he surely meant that ‘she intended to say “I'm sorry”’”, I was quite confused.</p>
+    <p>When you said that “he surely meant that ‘she intended to say “I’m sorry”’”, I was quite confused.</p>
   </body>
 </html>

tests/ref/html/smartquotes-html.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+  </head>
+  <body>
+    <p>When you said that “he surely meant that ‘she intended to say “I’m sorry”’”, I was quite confused.</p>
+    <p>‘<span style="display: inline-block;">box</span>’</p>
+  </body>
+</html>

tests/suite/html/frame.typ

@@ -1,5 +1,6 @@
-// No proper HTML tests here yet because we don't want to test SVG export just
-// yet. We'll definitely add tests at some point.
+--- html-frame html ---
+A rectangle:
+#html.frame(rect())
 
 --- html-frame-in-layout ---
 // Ensure that HTML frames are transparent in layout. This is less important for

tests/suite/text/smartquote.typ

@@ -172,3 +172,8 @@ Some people's thought on this would be #[#set smartquote(enabled: false); "stran
 
 --- issue-5146-smartquotes-after-equations ---
 $i$'s $i$ 's
+
+--- smartquotes-html html ---
+When you said that "he surely meant that 'she intended to say "I'm sorry"'", I was quite confused.
+
+'#box[box]'