comparison src/header/mod.rs @ 0:9875208e49a0 tip

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author ferencd
date Thu, 16 Feb 2023 15:22:52 +0100
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-1:000000000000 0:9875208e49a0
1 use crate::interpret_line;
2
3 // returns true if the previous line is handled as a header, ie. this line contains only
4 // ---------- or ===========, in this case it will change the vector of lines and return true
5 pub fn handle_as_header(ip:&String, html_lines: &mut Vec<String>, ht:usize, bold_it: &mut bool, bold:&mut bool, italic:&mut bool) -> bool {
6 let ch = ['-', '='];
7 if only(&ip, ch[ht - 1]) {
8 let last_line:String = html_lines.last().unwrap().to_owned();
9 let header = format_header(last_line, ht, ht, bold_it, bold, italic);
10 html_lines.pop();
11 html_lines.push(header);
12 return true;
13 }
14 return false;
15 }
16
17 // formats the header
18 pub fn format_header(s:String, c:usize, d:usize, bold_it:&mut bool, bold:&mut bool, italic:&mut bool) -> String {
19 let m: String = s[(c-d)..].to_string().trim().to_string();
20 let m = interpret_line(&m, bold_it, bold, italic);
21 let nr = String::from(c.to_string());
22 let cp = ">\n";
23 let h:String = "\n<h".to_string() + &nr + &cp + &m + &"\n</h".to_string() + &nr + &cp;
24 return h;
25 }
26
27 // checks if the string contains only the given character
28 fn only(s:&String, c:char) -> bool
29 {
30 if s.is_empty() {
31 return false;
32 }
33 for sc in s.chars() {
34 if sc != c {
35 return false;
36 }
37 }
38 return true;
39 }
40
41 // returns true if the line is a header line, ie. starts with a set of #'s
42 pub fn header(s:&str, c:usize) -> bool {
43 if s.starts_with( &'#'.to_string().repeat(c)) {
44 return true
45 }
46 return false
47 }