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Merge pull request #231 from crazymerlyn/fix-header-link-id

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Fix header links
This commit is contained in:
Steve Klabnik 2017-03-24 10:24:53 -04:00 committed by GitHub
commit 7c3932cef9
1 changed files with 12 additions and 1 deletions
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13
src/renderer/html_handlebars/hbs_renderer.rs
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@ -11,6 +11,7 @@ use std::fs::{self, File};
use std::error::Error; use std::error::Error;
use std::io::{self, Read}; use std::io::{self, Read};
use std::collections::BTreeMap; use std::collections::BTreeMap;
use std::collections::HashMap;
use handlebars::Handlebars; use handlebars::Handlebars;
@ -229,6 +230,7 @@ fn make_data(book: &MDBook) -> Result<serde_json::Map<String, serde_json::Value>
fn build_header_links(html: String, filename: &str) -> String { fn build_header_links(html: String, filename: &str) -> String {
let regex = Regex::new(r"<h(\d)>(.*?)</h\d>").unwrap(); let regex = Regex::new(r"<h(\d)>(.*?)</h\d>").unwrap();
let mut id_counter = HashMap::new();
regex.replace_all(&html, |caps: &Captures| { regex.replace_all(&html, |caps: &Captures| {
let level = &caps[1]; let level = &caps[1];
@ -254,7 +256,16 @@ fn build_header_links(html: String, filename: &str) -> String {
} }
}).collect::<String>(); }).collect::<String>();
format!("<a class=\"header\" href=\"{filename}#{id}\" name=\"{id}\"><h{level}>{text}</h{level}></a>", let id_count = *id_counter.get(&id).unwrap_or(&0);
id_counter.insert(id.clone(), id_count + 1);
let id = if id_count > 0 {
format!("{}-{}", id, id_count)
} else {
id
};
format!("<a class=\"header\" href=\"{filename}#{id}\" id=\"{id}\"><h{level}>{text}</h{level}></a>",
level=level, id=id, text=text, filename=filename) level=level, id=id, text=text, filename=filename)
}).into_owned() }).into_owned()
} }