Mercurial > md2html

annotate src/list/mod.rs @ 0:9875208e49a0 tip

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First entry
author ferencd
date Thu, 16 Feb 2023 15:22:52 +0100
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ferencd@0 1 // deals with increasing the <ol> tags, by trying to identify lines starting with spaces/tabs
ferencd@0 2 pub fn deal_with_list_nesting(orig_ip: &String, olist_space_count: &mut i8, olist_count: &mut i8, html_lines: &mut Vec<String>, i: i8, open_tag: &str, close_tag: &str) {
ferencd@0 3 let mut start = "\t";
ferencd@0 4 if orig_ip.starts_with(" ") {
ferencd@0 5 start = " ";
ferencd@0 6 }
ferencd@0 7 let mut current_space_count:i8 = i;
ferencd@0 8 let mut oip_cp = &orig_ip[start.len() ..];
ferencd@0 9
ferencd@0 10 while oip_cp.starts_with(start) {
ferencd@0 11 oip_cp = &oip_cp[start.len() ..];
ferencd@0 12 current_space_count += 1;
ferencd@0 13 }
ferencd@0 14
ferencd@0 15 if *olist_space_count != current_space_count {
ferencd@0 16 if *olist_space_count < current_space_count {
ferencd@0 17 *olist_count += 1;
ferencd@0 18 html_lines.push(open_tag.to_string());
ferencd@0 19 } else {
ferencd@0 20 *olist_count -= 1;
ferencd@0 21 html_lines.push(close_tag.to_string());
ferencd@0 22 }
ferencd@0 23 *olist_space_count = current_space_count;
ferencd@0 24 }
ferencd@0 25 }
ferencd@0 26
ferencd@0 27 // closes the opened lists with the given close tag
ferencd@0 28 pub fn close_opened_lists(html_lines: &mut Vec<String>, list_nest_count: &mut i8, list_space_count: &mut i8, close_tag: &str) {
ferencd@0 29 println!("For {} nestcount={}",close_tag, list_nest_count);
ferencd@0 30 while *list_nest_count > 0 {
ferencd@0 31 html_lines.push(close_tag.to_string());
ferencd@0 32 *list_nest_count -= 1;
ferencd@0 33 }
ferencd@0 34 *list_space_count = 0;
ferencd@0 35 }
ferencd@0 36
ferencd@0 37 // deals with some list, checks lines that start with the given start_checker
ferencd@0 38 pub fn deal_with_list<C>(mut html_lines: &mut Vec<String>, mut list_nest_count: &mut i8,
ferencd@0 39 mut list_space_count: &mut i8, orig_ip: &String,
ferencd@0 40 tip:&str, list_start_checker: C,
ferencd@0 41 open_tag: &str, close_tag: &str, list_delim_char: char)
ferencd@0 42 where C: Fn(&str, isize) -> bool
ferencd@0 43 {
ferencd@0 44 let mut cidxc:isize = 0;
ferencd@0 45 if list_start_checker(tip, cidxc) {
ferencd@0 46 println!("list start: {}", tip);
ferencd@0 47 while list_start_checker(tip, cidxc) {
ferencd@0 48 println!("list start: {}, {}", tip, cidxc);
ferencd@0 49 cidxc = cidxc + 1;
ferencd@0 50 }
ferencd@0 51 if tip.chars().nth(cidxc.try_into().unwrap()).unwrap() == list_delim_char {
ferencd@0 52 // this is indeed starting a list
ferencd@0 53 if list_delim_char == '.' { // ordered list
ferencd@0 54 let nr = tip[..cidxc.try_into().unwrap()].to_string().parse::<i32>().unwrap();
ferencd@0 55 if nr == 1 {
ferencd@0 56 if *list_nest_count == 0 { // the very first list
ferencd@0 57 *list_nest_count = 1;
ferencd@0 58 html_lines.push(open_tag.to_string());
ferencd@0 59 } else { // see if we start with a tab or not
ferencd@0 60 resolve_list_entry(&mut html_lines, &mut list_nest_count, &mut list_space_count, orig_ip, open_tag, close_tag)
ferencd@0 61 }
ferencd@0 62 } else {
ferencd@0 63 // the number is not one. try to see if it is a different list or continues
ferencd@0 64 resolve_list_entry(&mut html_lines, &mut list_nest_count, &mut list_space_count, orig_ip, open_tag, close_tag)
ferencd@0 65 }
ferencd@0 66 } else { // unordered list
ferencd@0 67 if *list_nest_count == 0 { // the very first list
ferencd@0 68 *list_nest_count = 1;
ferencd@0 69 html_lines.push(open_tag.to_string());
ferencd@0 70 } else {
ferencd@0 71 resolve_list_entry(&mut html_lines, &mut list_nest_count, &mut list_space_count, orig_ip, open_tag, close_tag)
ferencd@0 72 }
ferencd@0 73 }
ferencd@0 74 } else {
ferencd@0 75 close_opened_lists(&mut html_lines, &mut list_nest_count, &mut list_space_count, close_tag);
ferencd@0 76 }
ferencd@0 77 } else {
ferencd@0 78 close_opened_lists(&mut html_lines, &mut list_nest_count, &mut list_space_count, close_tag);
ferencd@0 79 }
ferencd@0 80 }
ferencd@0 81
ferencd@0 82 // closes the <ol> tags opened
ferencd@0 83 pub fn insert_list_entry<C>(list_counter: &mut i8, tip: &str, inted: &mut String, list_start_checker:C, sep_char: char)
ferencd@0 84 where C: Fn(&str, isize) -> bool
ferencd@0 85 {
ferencd@0 86 if *list_counter != 0 {
ferencd@0 87 let mut cidxc = 0;
ferencd@0 88 if list_start_checker(inted, cidxc) {
ferencd@0 89 while list_start_checker(tip, cidxc) {
ferencd@0 90 cidxc = cidxc + 1;
ferencd@0 91 }
ferencd@0 92 if tip.chars().nth(cidxc.try_into().unwrap()).unwrap() == sep_char {
ferencd@0 93 cidxc += 1;
ferencd@0 94 }
ferencd@0 95 *inted = "<li>".to_owned() + &inted[cidxc.try_into().unwrap()..].trim();
ferencd@0 96 } else {
ferencd@0 97 *inted = "<li>".to_owned() + &inted;
ferencd@0 98 }
ferencd@0 99 }
ferencd@0 100 }
ferencd@0 101
ferencd@0 102 // resolves a list entry
ferencd@0 103 pub fn resolve_list_entry(mut html_lines: &mut Vec<String>, mut olist_count: &mut i8, mut olist_space_count: &mut i8, orig_ip: &String, open_tag: &str, close_tag: &str)
ferencd@0 104 {
ferencd@0 105 if orig_ip.starts_with("\t") || orig_ip.starts_with(" ") {
ferencd@0 106 deal_with_list_nesting(orig_ip, &mut olist_space_count, &mut olist_count, &mut html_lines, 1, open_tag, close_tag);
ferencd@0 107 } else { // maybe we slipped back one ol
ferencd@0 108 while *olist_count > 1 {
ferencd@0 109 *olist_count -= 1;
ferencd@0 110 html_lines.push(close_tag.to_string());
ferencd@0 111 }
ferencd@0 112 }
ferencd@0 113 }