Cleaned up the filter_map for normalizing id's using a more readable procedural style
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@ -434,6 +434,8 @@ fn wrap_header_with_link(level: usize, content: &str, id_counter: &mut HashMap<S
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)
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}
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/// Generate an id for use with anchors which is derived from a "normalised"
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/// string.
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fn id_from_content(content: &str) -> String {
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let mut content = content.to_string();
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@ -455,19 +457,17 @@ fn id_from_content(content: &str) -> String {
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content = content.replace(sub, "");
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}
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content.chars()
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.filter_map(|c| if c.is_alphanumeric() || c == '-' || c == '_' {
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if c.is_ascii() {
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Some(c.to_ascii_lowercase())
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} else {
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Some(c)
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let mut id = String::new();
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for c in content.chars() {
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if c.is_alphanumeric() || c == '-' || c == '_' {
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id.push(c.to_ascii_lowercase());
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} else if c.is_whitespace() {
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id.push(c);
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}
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} else if c.is_whitespace() && c.is_ascii() {
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Some('-')
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} else {
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None
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})
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.collect()
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}
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id
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}
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// anchors to the same page (href="#anchor") do not work because of
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@ -509,7 +509,7 @@ fn fix_code_blocks(html: String) -> String {
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let classes = &caps[2].replace(",", " ");
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let after = &caps[3];
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format!("<code{before}class=\"{classes}\"{after}>", before = before, classes = classes, after = after)
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format!(r#"<code{before}class="{classes}"{after}>"#, before = before, classes = classes, after = after)
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})
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.into_owned()
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}
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@ -593,7 +593,8 @@ mod tests {
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("<h3>Foo^bar</h3>", r#"<a class="header" href="bar.rs#foobar" id="foobar"><h3>Foo^bar</h3></a>"#),
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("<h4></h4>", r#"<a class="header" href="bar.rs#" id=""><h4></h4></a>"#),
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("<h4><em>Hï</em></h4>", r#"<a class="header" href="bar.rs#hï" id="hï"><h4><em>Hï</em></h4></a>"#),
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("<h1>Foo</h1><h3>Foo</h3>", r#"<a class="header" href="bar.rs#foo" id="foo"><h1>Foo</h1></a><a class="header" href="bar.rs#foo-1" id="foo-1"><h3>Foo</h3></a>"#),
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("<h1>Foo</h1><h3>Foo</h3>",
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r#"<a class="header" href="bar.rs#foo" id="foo"><h1>Foo</h1></a><a class="header" href="bar.rs#foo-1" id="foo-1"><h3>Foo</h3></a>"#),
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];
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for (src, should_be) in inputs {
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