ferencd@0: use crate::interpret_line;
ferencd@0: 
ferencd@0: // returns true if the previous line is handled as a header, ie. this line contains only
ferencd@0: // ---------- or ===========, in this case it will change the vector of lines and return true
ferencd@0: 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 {
ferencd@0:     let ch = ['-', '='];
ferencd@0:     if only(&ip, ch[ht - 1]) {
ferencd@0:         let last_line:String = html_lines.last().unwrap().to_owned();
ferencd@0:         let header = format_header(last_line, ht, ht, bold_it, bold, italic);
ferencd@0:         html_lines.pop();
ferencd@0:         html_lines.push(header);
ferencd@0:         return true;
ferencd@0:     }
ferencd@0:     return false;
ferencd@0: }
ferencd@0: 
ferencd@0: // formats the header
ferencd@0: pub fn format_header(s:String, c:usize, d:usize, bold_it:&mut bool, bold:&mut bool, italic:&mut bool) -> String {
ferencd@0:     let m: String =  s[(c-d)..].to_string().trim().to_string();
ferencd@0:     let m = interpret_line(&m, bold_it, bold, italic);
ferencd@0:     let nr = String::from(c.to_string());
ferencd@0:     let cp = ">\n";
ferencd@0:     let h:String = "\n<h".to_string() + &nr + &cp + &m + &"\n</h".to_string() + &nr + &cp;
ferencd@0:     return h;
ferencd@0: }
ferencd@0: 
ferencd@0: // checks if the string contains only the given character
ferencd@0: fn only(s:&String, c:char) -> bool
ferencd@0: {
ferencd@0:     if s.is_empty() {
ferencd@0:         return false;
ferencd@0:     }
ferencd@0:     for sc in s.chars() {
ferencd@0:         if sc != c {
ferencd@0:             return false;
ferencd@0:         }
ferencd@0:     }
ferencd@0:     return true;
ferencd@0: }
ferencd@0: 
ferencd@0: // returns true if the line is a header line, ie. starts with a set of #'s
ferencd@0: pub fn header(s:&str, c:usize) -> bool {
ferencd@0:     if s.starts_with( &'#'.to_string().repeat(c)) {
ferencd@0:         return true
ferencd@0:     }
ferencd@0:     return false
ferencd@0: }