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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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This commit is contained in:
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
View File

@@ -46,6 +46,7 @@ fn tag_name_from(tag_content: &str) -> &str {
pub fn strip_html(input: &str) -> String { pub fn strip_html(input: &str) -> String {
let mut out = String::with_capacity(input.len()); let mut out = String::with_capacity(input.len());
let mut pos = 0; let mut pos = 0;
let mut heading_level: Option<u32> = None;
while pos < input.len() { while pos < input.len() {
// Find next '<' // Find next '<'
@@ -63,7 +64,14 @@ pub fn strip_html(input: &str) -> String {
// Emit text before the tag // Emit text before the tag
if tag_start > pos { 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 // Find '>' to close the tag
@@ -115,10 +123,24 @@ pub fn strip_html(input: &str) -> String {
"/li" | "/dd" | "/dt" | "/ol" | "/ul" => { "/li" | "/dd" | "/dt" | "/ol" | "/ul" => {
pos = tag_end + 1; 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; 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') { if !out.is_empty() && !out.ends_with('\n') {
out.push('\n'); out.push('\n');
} }

37
src/reader.rs
View File

@@ -239,13 +239,38 @@ egui::ComboBox::from_id_salt("bg_type_selector")
ui.with_layout( ui.with_layout(
egui::Layout::top_down(align).with_main_justify(false), egui::Layout::top_down(align).with_main_justify(false),
|ui| { |ui| {
ui.add( let mut is_heading = false;
egui::Label::new( let mut remaining = indented.as_str();
egui::RichText::new(&indented) while !remaining.is_empty() {
if let Some(pos) = remaining.find(['\x01', '\x02']) {
if pos > 0 {
let text = &remaining[..pos];
let mut rt = egui::RichText::new(text)
.size(style.font_size)
.color(colors.text);
if is_heading {
rt = rt.strong();
}
ui.add(egui::Label::new(rt).wrap());
}
let marker = remaining.chars().nth(pos).unwrap();
if marker == '\x01' {
is_heading = true;
} else {
is_heading = false;
}
remaining = &remaining[pos + 1..];
} else {
let mut rt = egui::RichText::new(remaining)
.size(style.font_size) .size(style.font_size)
.color(colors.text) .color(colors.text);
).wrap() if is_heading {
); rt = rt.strong();
}
ui.add(egui::Label::new(rt).wrap());
break;
}
}
}, },
); );
}); });