html2md_bulletty/
headers.rs

1use super::TagHandler;
2use super::StructuredPrinter;
3
4use markup5ever_rcdom::{Handle,NodeData};
5
6#[derive(Default)]
7pub struct HeaderHandler {
8    header_type: String,
9}
10
11impl TagHandler for HeaderHandler {
12
13    fn handle(&mut self, tag: &Handle, printer: &mut StructuredPrinter) {
14        self.header_type = match tag.data {
15            NodeData::Element { ref name, .. } => name.local.to_string(),
16            _ => String::new()
17        };
18
19        printer.insert_newline();
20        printer.insert_newline();
21        match self.header_type.as_ref() {
22            "h3" => printer.append_str("### "),
23            "h4" => printer.append_str("#### "),
24            "h5" => printer.append_str("##### "),
25            "h6" => printer.append_str("###### "),
26            _ => {}
27        }
28    }
29
30    fn after_handle(&mut self, printer: &mut StructuredPrinter) {
31        match self.header_type.as_ref() {
32            "h1" => printer.append_str("\n==========\n"),
33            "h2" => printer.append_str("\n----------\n"),
34            "h3" => printer.append_str(" ###\n"),
35            "h4" => printer.append_str(" ####\n"),
36            "h5" => printer.append_str(" #####\n"),
37            "h6" => printer.append_str(" ######\n"),
38            _ => {}
39        }
40        printer.insert_newline();
41    }
42}