Handle all the elements id to add a path prefix

Also make path id to all be the lower case

Signed-off-by: Hollow Man <[email protected]>

Author: HollowMan6

src/renderer/html_handlebars/hbs_renderer.rs

@@ -72,14 +72,20 @@ impl HtmlHandlebars {
             if base.ends_with(".md") {
                 base.replace_range(base.len() - 3.., "");
             }
-            &base.replace("/", "-").replace("\\", "-")
+            &base
+                .replace("/", "-")
+                .replace("\\", "-")
+                .to_ascii_lowercase()
         };
 
         // We have to build header links in advance so that we can know the ranges
         // for the headers in one page.
         // Insert a dummy div to make sure that we can locate the specific page.
         print_content.push_str(&(format!(r#"<div id="{}"></div>"#, &path_id)));
-        print_content.push_str(&build_header_links(&fixed_content, Some(path_id)));
+        print_content.push_str(&build_header_links(
+            &build_print_element_id(&fixed_content, &path_id),
+            Some(path_id),
+        ));
 
         // Update the context with data for this file
         let ctx_path = path
@@ -772,6 +778,26 @@ fn make_data(
     Ok(data)
 }
 
+/// Goes through part of the rendered print page HTML,
+/// add path id prefix to all the elements id.
+fn build_print_element_id(html: &str, path_id: &str) -> String {
+    let regex = Regex::new(r#"(<[^>]*?id=")([^"]+?)""#).unwrap();
+
+    if path_id.is_empty() {
+        return html.to_string();
+    }
+
+    regex
+        .replace_all(html, |caps: &Captures<'_>| {
+            let mut fixed = String::new();
+            fixed.push_str(&path_id);
+            fixed.push_str("-");
+            fixed.push_str(&caps[2]);
+            format!("{}{}\"", &caps[1], fixed)
+        })
+        .into_owned()
+}
+
 /// Goes through the rendered HTML, making sure all header tags have
 /// an anchor respectively so people can link to sections directly.
 fn build_header_links(html: &str, path_id: Option<&str>) -> String {

src/utils/mod.rs

@@ -100,7 +100,8 @@ pub fn normalize_path_id(mut path: String) -> String {
     path = path
         .replace("/", "-")
         .replace(".html#", "-")
-        .replace("#", "-");
+        .replace("#", "-")
+        .to_ascii_lowercase();
     if path.ends_with(".html") {
         path.replace_range(path.len() - 5.., "");
     }