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html: output attributes

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This commit is contained in:
Noah Hellman 2023-01-15 20:03:25 +01:00
parent eb6b58f2a9
commit 8024499069
1 changed files with 90 additions and 46 deletions
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136
src/html.rs
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@ -68,69 +68,108 @@ impl<'s, I: Iterator<Item = Event<'s>>, W: std::fmt::Write> Writer<I, W> {
fn write(&mut self) -> std::fmt::Result {
for e in &mut self.events {
match e {
Event::Start(c, _attrs) => {
Event::Start(c, attrs) => {
if c.is_block() {
self.out.write_char('\n')?;
}
if self.text_only && !matches!(c, Container::Image(..)) {
continue;
}
match c {
Container::Blockquote => self.out.write_str("<blockquote>")?,
match &c {
Container::Blockquote => self.out.write_str("<blockquote")?,
Container::List(..) => todo!(),
Container::ListItem => self.out.write_str("<li>")?,
Container::DescriptionList => self.out.write_str("<dl>")?,
Container::DescriptionDetails => self.out.write_str("<dd>")?,
Container::ListItem => self.out.write_str("<li")?,
Container::DescriptionList => self.out.write_str("<dl")?,
Container::DescriptionDetails => self.out.write_str("<dd")?,
Container::Footnote { .. } => todo!(),
Container::Table => self.out.write_str("<table>")?,
Container::TableRow => self.out.write_str("<tr>")?,
Container::Div { class } => {
if let Some(c) = class {
write!(self.out, r#"<div class="{}">"#, c)?;
} else {
self.out.write_str("<div>")?;
}
}
Container::Paragraph => self.out.write_str("<p>")?,
Container::Heading { level } => write!(self.out, "<h{}>", level)?,
Container::TableCell => self.out.write_str("<td>")?,
Container::DescriptionTerm => self.out.write_str("<dt>")?,
Container::CodeBlock { lang } => {
if let Some(l) = lang {
write!(self.out, r#"<pre><code class="language-{}">"#, l)?;
} else {
self.out.write_str("<pre><code>")?;
}
}
Container::Span => self.out.write_str("<span>")?,
Container::Link(dst, ..) => write!(self.out, r#"<a href="{}">"#, dst)?,
Container::Table => self.out.write_str("<table")?,
Container::TableRow => self.out.write_str("<tr")?,
Container::Div { .. } => self.out.write_str("<div")?,
Container::Paragraph => self.out.write_str("<p")?,
Container::Heading { level } => write!(self.out, "<h{}", level)?,
Container::TableCell => self.out.write_str("<td")?,
Container::DescriptionTerm => self.out.write_str("<dt")?,
Container::CodeBlock { .. } => self.out.write_str("<pre")?,
Container::Span | Container::Math { .. } => self.out.write_str("<span")?,
Container::Link(dst, ..) => write!(self.out, r#"<a href="{}""#, dst)?,
Container::Image(..) => {
self.text_only = true;
self.out.write_str("<img")?;
}
Container::Verbatim => self.out.write_str("<code>")?,
Container::Math { display } => self.out.write_str(if display {
r#"<span class="math display">\["#
} else {
r#"<span class="math inline">\("#
})?,
Container::Verbatim => self.out.write_str("<code")?,
Container::RawBlock { format } | Container::RawInline { format } => {
self.raw = if format == "html" {
self.raw = if format == &"html" {
Raw::Html
} else {
Raw::Other
}
};
continue;
}
Container::Subscript => self.out.write_str("<sub>")?,
Container::Superscript => self.out.write_str("<sup>")?,
Container::Insert => self.out.write_str("<ins>")?,
Container::Delete => self.out.write_str("<del>")?,
Container::Strong => self.out.write_str("<strong>")?,
Container::Emphasis => self.out.write_str("<em>")?,
Container::Mark => self.out.write_str("<mark>")?,
Container::Subscript => self.out.write_str("<sub")?,
Container::Superscript => self.out.write_str("<sup")?,
Container::Insert => self.out.write_str("<ins")?,
Container::Delete => self.out.write_str("<del")?,
Container::Strong => self.out.write_str("<strong")?,
Container::Emphasis => self.out.write_str("<em")?,
Container::Mark => self.out.write_str("<mark")?,
Container::SingleQuoted => self.out.write_str("&lsquo;")?,
Container::DoubleQuoted => self.out.write_str("&ldquo;")?,
}
if attrs.iter().any(|(a, _)| a == "class")
|| matches!(
c,
Container::Div { class: Some(_) } | Container::Math { .. }
)
{
self.out.write_str(r#" class=""#)?;
let mut classes = attrs
.iter()
.filter(|(a, _)| a == &"class")
.map(|(_, cls)| cls);
let has_attr = if let Container::Math { display } = c {
self.out.write_str(if display {
"math display"
} else {
"math inline"
})?;
true
} else if let Some(cls) = classes.next() {
self.out.write_str(cls)?;
for cls in classes {
self.out.write_char(' ')?;
self.out.write_str(cls)?;
}
true
} else {
false
};
if let Container::Div { class: Some(cls) } = c {
if has_attr {
self.out.write_char(' ')?;
}
self.out.write_str(cls)?;
}
self.out.write_char('"')?;
}
match c {
Container::CodeBlock { lang } => {
if let Some(l) = lang {
write!(self.out, r#"><code class="language-{}">"#, l)?;
} else {
self.out.write_str("><code>")?;
}
}
Container::Image(..) => {
self.out.write_str(r#" alt=""#)?;
}
Container::Math { display } => {
self.out
.write_str(if display { r#">\["# } else { r#">\("# })?;
}
_ => self.out.write_char('>')?,
}
}
Event::End(c) => {
if c.is_block_container() && !matches!(c, Container::Footnote { .. }) {
@ -154,9 +193,7 @@ impl<'s, I: Iterator<Item = Event<'s>>, W: std::fmt::Write> Writer<I, W> {
Container::TableCell => self.out.write_str("</td>")?,
Container::DescriptionTerm => self.out.write_str("</dt>")?,
Container::CodeBlock { .. } => self.out.write_str("</code></pre>")?,
Container::Span | Container::Math { .. } => {
self.out.write_str("</span>")?;
}
Container::Span => self.out.write_str("</span>")?,
Container::Link(..) => self.out.write_str("</a>")?,
Container::Image(src, ..) => {
self.text_only = false;
@ -167,6 +204,13 @@ impl<'s, I: Iterator<Item = Event<'s>>, W: std::fmt::Write> Writer<I, W> {
}
}
Container::Verbatim => self.out.write_str("</code>")?,
Container::Math { display } => {
self.out.write_str(if display {
r#"\]</span>"#
} else {
r#"\)</span>"#
})?;
}
Container::RawBlock { .. } | Container::RawInline { .. } => {
self.raw = Raw::None;
}