commit
e5a973a18d
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@ -95,14 +95,16 @@ impl Renderer for HtmlHandlebars {
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debug!("[*]: Render template");
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let rendered = try!(handlebars.render("index", &data));
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// create links for headers
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let rendered = build_header_links(rendered);
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let filename = Path::new(&ch.path).with_extension("html");
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// create links for headers and fix anchors
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let rendered = build_header_links(rendered, filename.to_str().unwrap_or(""));
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let rendered = fix_anchor_links(rendered, filename.to_str().unwrap_or(""));
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// fix code blocks
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let rendered = fix_code_blocks(rendered);
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// Write to file
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let filename = Path::new(&ch.path).with_extension("html");
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info!("[*] Creating {:?} ✓", filename.display());
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try!(book.write_file(filename, &rendered.into_bytes()));
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@ -144,7 +146,8 @@ impl Renderer for HtmlHandlebars {
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debug!("[*]: Render template");
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let rendered = try!(handlebars.render("index", &data));
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let rendered = build_header_links(rendered);
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let rendered = build_header_links(rendered, "print.html");
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let rendered = fix_anchor_links(rendered, "print.html");
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// fix code blocks
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let rendered = fix_code_blocks(rendered);
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@ -224,7 +227,7 @@ fn make_data(book: &MDBook) -> Result<serde_json::Map<String, serde_json::Value>
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Ok(data)
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}
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fn build_header_links(html: String) -> String {
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fn build_header_links(html: String, filename: &str) -> String {
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let regex = Regex::new(r"<h(\d)>(.*?)</h\d>").unwrap();
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regex.replace_all(&html, |caps: &Captures| {
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@ -251,10 +254,27 @@ fn build_header_links(html: String) -> String {
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}
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}).collect::<String>();
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format!("<a class=\"header\" href=\"#{id}\" name=\"{id}\"><h{level}>{text}</h{level}></a>", level=level, id=id, text=text)
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format!("<a class=\"header\" href=\"{filename}#{id}\" name=\"{id}\"><h{level}>{text}</h{level}></a>",
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level=level, id=id, text=text, filename=filename)
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}).into_owned()
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}
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// anchors to the same page (href="#anchor") do not work because of
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// <base href="../"> pointing to the root folder. This function *fixes*
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// that in a very inelegant way
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fn fix_anchor_links(html: String, filename: &str) -> String {
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let regex = Regex::new(r##"<a([^>]+)href="#([^"]+)"([^>]*)>"##).unwrap();
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regex.replace_all(&html, |caps: &Captures| {
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let before = &caps[1];
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let anchor = &caps[2];
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let after = &caps[3];
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format!("<a{before}href=\"{filename}#{anchor}\"{after}>",
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before=before, filename=filename, anchor=anchor, after=after)
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}).into_owned()
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}
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// The rust book uses annotations for rustdoc to test code snippets, like the following:
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// ```rust,should_panic
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// fn main() {
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