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标题粗体显示：h1-h6 标题在正文中标粗区分

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xiaji
2026-05-15 12:09:11 +08:00
parent b51ce6853b
commit 19336d5d34
2 changed files with 56 additions and 9 deletions
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28
src/book.rs
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@@ -46,6 +46,7 @@ fn tag_name_from(tag_content: &str) -> &str {
pub fn strip_html(input: &str) -> String {
let mut out = String::with_capacity(input.len());
let mut pos = 0;
let mut heading_level: Option<u32> = None;
while pos < input.len() {
// Find next '<'
@@ -63,7 +64,14 @@ pub fn strip_html(input: &str) -> String {
// Emit text before the tag
if tag_start > pos {
out.push_str(&decode_entities(&input[pos..tag_start]));
let text = decode_entities(&input[pos..tag_start]);
if heading_level.is_some() {
out.push_str("\x01");
out.push_str(&text);
out.push_str("\x02");
} else {
out.push_str(&text);
}
}
// Find '>' to close the tag
@@ -115,10 +123,24 @@ pub fn strip_html(input: &str) -> String {
"/li" | "/dd" | "/dt" | "/ol" | "/ul" => {
pos = tag_end + 1;
}
"p" | "div" | "h1" | "h2" | "h3" | "h4" | "h5" | "h6" | "blockquote" => {
"h1" => { heading_level = Some(1); pos = tag_end + 1; }
"h2" => { heading_level = Some(2); pos = tag_end + 1; }
"h3" => { heading_level = Some(3); pos = tag_end + 1; }
"h4" => { heading_level = Some(4); pos = tag_end + 1; }
"h5" => { heading_level = Some(5); pos = tag_end + 1; }
"h6" => { heading_level = Some(6); pos = tag_end + 1; }
"p" | "div" | "blockquote" => {
pos = tag_end + 1;
}
"/p" | "/div" | "/blockquote" | "/h1" | "/h2" | "/h3" | "/h4" | "/h5" | "/h6" => {
"/p" | "/div" | "/blockquote" => {
if !out.is_empty() && !out.ends_with('\n') {
out.push('\n');
}
out.push('\n');
pos = tag_end + 1;
}
"/h1" | "/h2" | "/h3" | "/h4" | "/h5" | "/h6" => {
heading_level = None;
if !out.is_empty() && !out.ends_with('\n') {
out.push('\n');
}