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!colsep to separate !col columns
[tablify] / src / lib.rs
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1use std::borrow::ToOwned;
2use std::collections::{HashMap, HashSet};
3use std::fmt::Write;
4use std::io::BufRead;
5use std::iter::Iterator;
6
7#[derive(PartialEq, Eq, Debug)]
8struct Config {
9 column_threshold: usize,
10 static_columns: Vec<Option<String>>,
11}
12impl Config {
13 fn apply_command(&mut self, line_num: usize, cmd: &str) -> Result<(), std::io::Error> {
14 if let Some(threshold) = cmd.strip_prefix("col_threshold ") {
15 self.column_threshold = threshold.parse().map_err(|e| {
16 std::io::Error::new(
17 std::io::ErrorKind::InvalidInput,
18 format!("line {line_num}: col_threshold must be numeric: {e}"),
19 )
20 })?;
21 } else if let Some(col) = cmd.strip_prefix("col ") {
22 self.static_columns.push(Some(col.to_owned()));
23 } else if cmd == "colsep" {
24 self.static_columns.push(None);
25 } else {
26 return Err(std::io::Error::new(
27 std::io::ErrorKind::InvalidInput,
28 format!("line {line_num}: Unknown command: {cmd}"),
29 ));
30 }
31 Ok(())
32 }
33}
34
35const HEADER: &str = r#"<!DOCTYPE html>
36<html>
37<head>
38 <meta charset="utf-8">
39 <meta name="viewport" content="width=device-width, initial-scale=1">
40 <style>
41 td { text-align: center; }
42 /* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
43 th, td { white-space: nowrap; }
44 th { text-align: left; font-weight: normal; }
45 th.spacer_row { height: .3em; }
46 .spacer_col { border: none; width: .2em; }
47 table { border-collapse: collapse }
48 tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
49 tr.key > th > div { width: 1em; }
50 tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
51 td { border: thin solid gray; }
52 td.leftover { text-align: left; border: none; padding-left: .4em; }
53 td.yes { border: thin solid gray; background-color: #ddd; }
54 /* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
55 .highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
56 </style>
57 <script>
58 function highlight(id) { const e = document.getElementById(id); if (e) { e.classList.add( "highlight"); } }
59 function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove("highlight"); } }
60 function h2(a, b) { highlight(a); highlight(b); }
61 function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
62 </script>
63</head>
64<body>
65 <table>
66 <tbody>
67"#;
68const FOOTER: &str = " </tbody>
69 </table>
70</body>
71</html>";
72
73#[derive(PartialEq, Eq, Debug)]
74pub struct HTML(String);
75impl HTML {
76 fn escape(value: &str) -> HTML {
77 let mut escaped: String = String::new();
78 for c in value.chars() {
79 match c {
80 '>' => escaped.push_str("&gt;"),
81 '<' => escaped.push_str("&lt;"),
82 '\'' => escaped.push_str("&#39;"),
83 '"' => escaped.push_str("&quot;"),
84 '&' => escaped.push_str("&amp;"),
85 ok_c => escaped.push(ok_c),
86 }
87 }
88 HTML(escaped)
89 }
90}
91impl From<&str> for HTML {
92 fn from(value: &str) -> HTML {
93 HTML(String::from(value))
94 }
95}
96impl FromIterator<HTML> for HTML {
97 fn from_iter<T>(iter: T) -> HTML
98 where
99 T: IntoIterator<Item = HTML>,
100 {
101 HTML(iter.into_iter().map(|html| html.0).collect::<String>())
102 }
103}
104impl std::fmt::Display for HTML {
105 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
106 write!(f, "{}", self.0)
107 }
108}
109
110#[derive(Debug, PartialEq, Eq)]
111enum InputLine<'a> {
112 Blank,
113 RowHeader(&'a str),
114 Entry(&'a str, Option<&'a str>),
115 Command(&'a str),
116}
117impl<'a> From<&'a str> for InputLine<'a> {
118 fn from(value: &'a str) -> InputLine<'a> {
119 let trimmed = value.trim_end();
120 if trimmed.is_empty() {
121 InputLine::Blank
122 } else if let Some(cmd) = trimmed.strip_prefix('!') {
123 InputLine::Command(cmd)
124 } else if !trimmed.starts_with(' ') {
125 InputLine::RowHeader(value.trim())
126 } else {
127 match value.split_once(':') {
128 None => InputLine::Entry(value.trim(), None),
129 Some((col, instance)) => InputLine::Entry(col.trim(), Some(instance.trim())),
130 }
131 }
132 }
133}
134
135#[derive(Debug, PartialEq, Eq)]
136struct Row {
137 label: String,
138 entries: HashMap<String, Vec<Option<String>>>,
139}
140
141#[derive(Debug, PartialEq, Eq)]
142enum Rowlike {
143 Row(Row),
144 Spacer,
145}
146
147struct Reader<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> {
148 input: std::iter::Enumerate<Input>,
149 row: Option<Row>,
150 config: &'cfg mut Config,
151}
152impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Reader<'cfg, Input> {
153 fn new(config: &'cfg mut Config, input: Input) -> Self {
154 Self {
155 input: input.enumerate(),
156 row: None,
157 config,
158 }
159 }
160}
161impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Iterator
162 for Reader<'cfg, Input>
163{
164 type Item = Result<Rowlike, std::io::Error>;
165 fn next(&mut self) -> Option<Self::Item> {
166 loop {
167 match self.input.next() {
168 None => return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose(),
169 Some((_, Err(e))) => return Some(Err(e)),
170 Some((n, Ok(line))) => match InputLine::from(line.as_ref()) {
171 InputLine::Command(cmd) => {
172 if let Err(e) = self.config.apply_command(n + 1, cmd) {
173 return Some(Err(e));
174 }
175 }
176 InputLine::Blank if self.row.is_some() => {
177 return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose()
178 }
179 InputLine::Blank => return Some(Ok(Rowlike::Spacer)),
180 InputLine::Entry(col, instance) => match &mut self.row {
181 None => {
182 return Some(Err(std::io::Error::other(format!(
183 "line {}: Entry with no header",
184 n + 1
185 ))))
186 }
187 Some(ref mut row) => {
188 row.entries
189 .entry(col.to_owned())
190 .and_modify(|is| is.push(instance.map(ToOwned::to_owned)))
191 .or_insert_with(|| vec![instance.map(ToOwned::to_owned)]);
192 }
193 },
194 InputLine::RowHeader(row) => {
195 let prev = std::mem::take(&mut self.row);
196 self.row = Some(Row {
197 label: row.to_owned(),
198 entries: HashMap::new(),
199 });
200 if prev.is_some() {
201 return Ok(prev.map(Rowlike::Row)).transpose();
202 }
203 }
204 },
205 }
206 }
207 }
208}
209
210fn read_input(input: impl std::io::Read) -> Result<(Vec<Rowlike>, Config), std::io::Error> {
211 let mut config = Config {
212 column_threshold: 2,
213 static_columns: vec![],
214 };
215 let reader = Reader::new(&mut config, std::io::BufReader::new(input).lines());
216 reader
217 .collect::<Result<Vec<_>, _>>()
218 .map(|rows| (rows, config))
219}
220
221fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
222 let empty = HashMap::new();
223 let mut counts: Vec<_> = rows
224 .iter()
225 .flat_map(|rl| match rl {
226 Rowlike::Row(r) => r.entries.keys(),
227 Rowlike::Spacer => empty.keys(),
228 })
229 .fold(HashMap::new(), |mut cs, col| {
230 cs.entry(col.to_owned())
231 .and_modify(|n| *n += 1)
232 .or_insert(1);
233 cs
234 })
235 .into_iter()
236 .map(|(col, n)| (n, col))
237 .collect();
238 counts.sort_unstable_by(|(an, acol), (bn, bcol)| bn.cmp(an).then(acol.cmp(bcol)));
239 counts
240}
241fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
242 let static_columns: HashSet<&str> = config
243 .static_columns
244 .iter()
245 .flatten()
246 .map(std::string::String::as_str)
247 .collect();
248 column_counts(rows)
249 .into_iter()
250 .filter_map(|(n, col)| {
251 (n >= config.column_threshold && !static_columns.contains(col.as_str())).then_some(col)
252 })
253 .collect()
254}
255
256fn render_one_instance(instance: &Option<String>) -> HTML {
257 match instance {
258 None => HTML::from("✓"),
259 Some(instance) => HTML::escape(instance.as_ref()),
260 }
261}
262
263fn render_instances(instances: &[Option<String>]) -> HTML {
264 let all_empty = instances.iter().all(Option::is_none);
265 if all_empty && instances.len() == 1 {
266 HTML::from("")
267 } else if all_empty {
268 HTML(format!("{}", instances.len()))
269 } else {
270 HTML(
271 instances
272 .iter()
273 .map(render_one_instance)
274 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
275 .collect::<Vec<_>>()
276 .join(" "),
277 )
278 }
279}
280
281fn render_cell(col: &str, row: &mut Row) -> HTML {
282 let row_label = HTML::escape(row.label.as_ref());
283 let col_label = HTML::escape(col);
284 let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
285 let class = HTML::from(if instances.is_none() { "" } else { "yes" });
286 let contents = match instances {
287 None => HTML::from(""),
288 Some(is) => render_instances(is),
289 };
290 row.entries.remove(col);
291 HTML(format!(
292 r#"<td class="{class}" onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
293 ))
294}
295
296fn render_leftover(notcol: &str, instances: &[Option<String>]) -> HTML {
297 let label = HTML::escape(notcol);
298 let rest = render_instances(instances);
299 if rest == HTML::from("") {
300 HTML(format!("{label}"))
301 } else {
302 HTML(format!("{label}: {rest}"))
303 }
304}
305
306fn render_all_leftovers(row: &Row) -> HTML {
307 let mut order: Vec<_> = row.entries.keys().collect();
308 order.sort_unstable();
309 HTML(
310 order
311 .into_iter()
312 .map(|notcol| render_leftover(notcol, row.entries.get(notcol).expect("Key vanished?!")))
313 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
314 .collect::<Vec<_>>()
315 .join(", "),
316 )
317}
318
319fn render_row(config: &Config, columns: &[String], rowlike: &mut Rowlike) -> HTML {
320 match rowlike {
321 Rowlike::Spacer => HTML::from("<tr><th class=\"spacer_row\"></th></tr>\n"),
322 Rowlike::Row(row) => {
323 let row_label = HTML::escape(row.label.as_ref());
324 let static_cells = config
325 .static_columns
326 .iter()
327 .map(|ocol| match ocol {
328 Some(col) => render_cell(col, row),
329 None => HTML::from(r#"<td class="spacer_col"></td>"#),
330 })
331 .collect::<HTML>();
332 let dynamic_cells = columns
333 .iter()
334 .map(|col| render_cell(col, row))
335 .collect::<HTML>();
336 let leftovers = render_all_leftovers(row);
337 HTML(format!(
338 "<tr><th id=\"{row_label}\">{row_label}</th>{static_cells}{dynamic_cells}<td class=\"leftover\" onmouseover=\"highlight('{row_label}')\" onmouseout=\"clear_highlight('{row_label}')\">{leftovers}</td></tr>\n"
339 ))
340 }
341 }
342}
343
344fn render_column_headers(config: &Config, columns: &[String]) -> HTML {
345 let static_columns = config.static_columns.iter().map(|oc| oc.as_ref());
346 let dynamic_columns = columns.iter().map(Some);
347 HTML(
348 String::from(r#"<tr class="key"><th></th>"#)
349 + &static_columns
350 .chain(dynamic_columns)
351 .fold(String::new(), |mut acc, ocol| {
352 match ocol {
353 Some(col) => {
354 let col_header = HTML::escape(col);
355 write!(
356 &mut acc,
357 r#"<th id="{col_header}"><div><div>{col_header}</div></div></th>"#
358 )
359 }
360 None => write!(&mut acc, r#"<th class="col_spacer"></th>"#),
361 }
362 .unwrap();
363 acc
364 })
365 + "</tr>\n",
366 )
367}
368
369/// # Errors
370///
371/// Will return `Err` if
372/// * there's an i/o error while reading `input`
373/// * the log has invalid syntax:
374/// * an indented line with no preceding non-indented line
375pub fn tablify(input: impl std::io::Read) -> Result<HTML, std::io::Error> {
376 let (rows, config) = read_input(input)?;
377 let columns = column_order(&config, &rows);
378 Ok(HTML(format!(
379 "{HEADER}{}{}{FOOTER}",
380 render_column_headers(&config, &columns),
381 rows.into_iter()
382 .map(|mut r| render_row(&config, &columns, &mut r))
383 .collect::<HTML>()
384 )))
385}
386
387#[cfg(test)]
388mod tests {
389 use super::*;
390
391 #[test]
392 fn test_parse_line() {
393 assert_eq!(InputLine::from(""), InputLine::Blank);
394 assert_eq!(InputLine::from(" "), InputLine::Blank);
395 assert_eq!(InputLine::from("foo"), InputLine::RowHeader("foo"));
396 assert_eq!(InputLine::from("foo "), InputLine::RowHeader("foo"));
397 assert_eq!(InputLine::from(" foo"), InputLine::Entry("foo", None));
398 assert_eq!(
399 InputLine::from(" foo:bar"),
400 InputLine::Entry("foo", Some("bar"))
401 );
402 assert_eq!(
403 InputLine::from(" foo: bar"),
404 InputLine::Entry("foo", Some("bar"))
405 );
406 assert_eq!(
407 InputLine::from(" foo: bar "),
408 InputLine::Entry("foo", Some("bar"))
409 );
410 assert_eq!(
411 InputLine::from(" foo: bar "),
412 InputLine::Entry("foo", Some("bar"))
413 );
414 assert_eq!(
415 InputLine::from(" foo : bar "),
416 InputLine::Entry("foo", Some("bar"))
417 );
418 }
419
420 fn read_rows(input: impl std::io::Read) -> Result<Vec<Rowlike>, std::io::Error> {
421 read_input(input).map(|(rows, _)| rows)
422 }
423 fn read_config(input: impl std::io::Read) -> Result<Config, std::io::Error> {
424 read_input(input).map(|(_, config)| config)
425 }
426 #[test]
427 fn test_read_rows() {
428 assert_eq!(
429 read_rows(&b"foo"[..]).unwrap(),
430 vec![Rowlike::Row(Row {
431 label: "foo".to_owned(),
432 entries: HashMap::new(),
433 })]
434 );
435 assert_eq!(
436 read_rows(&b"bar"[..]).unwrap(),
437 vec![Rowlike::Row(Row {
438 label: "bar".to_owned(),
439 entries: HashMap::new(),
440 })]
441 );
442 assert_eq!(
443 read_rows(&b"foo\nbar\n"[..]).unwrap(),
444 vec![
445 Rowlike::Row(Row {
446 label: "foo".to_owned(),
447 entries: HashMap::new(),
448 }),
449 Rowlike::Row(Row {
450 label: "bar".to_owned(),
451 entries: HashMap::new(),
452 })
453 ]
454 );
455 assert_eq!(
456 read_rows(&b"foo\n bar\n"[..]).unwrap(),
457 vec![Rowlike::Row(Row {
458 label: "foo".to_owned(),
459 entries: HashMap::from([("bar".to_owned(), vec![None])]),
460 })]
461 );
462 assert_eq!(
463 read_rows(&b"foo\n bar\n baz\n"[..]).unwrap(),
464 vec![Rowlike::Row(Row {
465 label: "foo".to_owned(),
466 entries: HashMap::from([
467 ("bar".to_owned(), vec![None]),
468 ("baz".to_owned(), vec![None])
469 ]),
470 })]
471 );
472 assert_eq!(
473 read_rows(&b"foo\n\nbar\n"[..]).unwrap(),
474 vec![
475 Rowlike::Row(Row {
476 label: "foo".to_owned(),
477 entries: HashMap::new(),
478 }),
479 Rowlike::Row(Row {
480 label: "bar".to_owned(),
481 entries: HashMap::new(),
482 })
483 ]
484 );
485 assert_eq!(
486 read_rows(&b"foo\n\n\nbar\n"[..]).unwrap(),
487 vec![
488 Rowlike::Row(Row {
489 label: "foo".to_owned(),
490 entries: HashMap::new(),
491 }),
492 Rowlike::Spacer,
493 Rowlike::Row(Row {
494 label: "bar".to_owned(),
495 entries: HashMap::new(),
496 })
497 ]
498 );
499 assert_eq!(
500 read_rows(&b"foo\n \nbar\n"[..]).unwrap(),
501 vec![
502 Rowlike::Row(Row {
503 label: "foo".to_owned(),
504 entries: HashMap::new(),
505 }),
506 Rowlike::Row(Row {
507 label: "bar".to_owned(),
508 entries: HashMap::new(),
509 })
510 ]
511 );
512 assert_eq!(
513 read_rows(&b"foo \n bar \n"[..]).unwrap(),
514 vec![Rowlike::Row(Row {
515 label: "foo".to_owned(),
516 entries: HashMap::from([("bar".to_owned(), vec![None])]),
517 })]
518 );
519
520 let bad = read_rows(&b" foo"[..]);
521 assert!(bad.is_err());
522 assert!(format!("{bad:?}").contains("line 1: Entry with no header"));
523
524 let bad2 = read_rows(&b"foo\n\n bar"[..]);
525 assert!(bad2.is_err());
526 assert!(format!("{bad2:?}").contains("line 3: Entry with no header"));
527 }
528
529 #[test]
530 fn test_read_config() {
531 assert_eq!(
532 read_config(&b"!col_threshold 10"[..])
533 .unwrap()
534 .column_threshold,
535 10
536 );
537 assert_eq!(
538 read_config(&b"!col foo"[..]).unwrap().static_columns,
539 vec![Some("foo".to_owned())]
540 );
541
542 let bad_command = read_config(&b"!no such command"[..]);
543 assert!(bad_command.is_err());
544 assert!(format!("{bad_command:?}").contains("line 1: Unknown command"));
545
546 let bad_num = read_config(&b"!col_threshold foo"[..]);
547 assert!(bad_num.is_err());
548 assert!(format!("{bad_num:?}").contains("line 1: col_threshold must be numeric"));
549 }
550
551 #[test]
552 fn test_column_counts() {
553 assert_eq!(
554 column_counts(&read_rows(&b"foo\n bar\n baz\n"[..]).unwrap()),
555 vec![(1, String::from("bar")), (1, String::from("baz"))]
556 );
557 assert_eq!(
558 column_counts(&read_rows(&b"foo\n bar\n baz\nquux\n baz"[..]).unwrap()),
559 vec![(2, String::from("baz")), (1, String::from("bar"))]
560 );
561 assert_eq!(
562 column_counts(&read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..]).unwrap()),
563 vec![(2, String::from("baz")), (1, String::from("bar"))]
564 );
565 assert_eq!(
566 column_counts(
567 &read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..]).unwrap()
568 ),
569 vec![(2, String::from("baz")), (1, String::from("bar"))]
570 );
571 }
572
573 #[test]
574 fn test_render_cell() {
575 assert_eq!(
576 render_cell(
577 "foo",
578 &mut Row {
579 label: "nope".to_owned(),
580 entries: HashMap::new(),
581 }
582 ),
583 HTML::from(
584 r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
585 )
586 );
587 assert_eq!(
588 render_cell(
589 "foo",
590 &mut Row {
591 label: "nope".to_owned(),
592 entries: HashMap::from([("bar".to_owned(), vec![None])]),
593 }
594 ),
595 HTML::from(
596 r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
597 )
598 );
599 assert_eq!(
600 render_cell(
601 "foo",
602 &mut Row {
603 label: "nope".to_owned(),
604 entries: HashMap::from([("foo".to_owned(), vec![None])]),
605 }
606 ),
607 HTML::from(
608 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
609 )
610 );
611 assert_eq!(
612 render_cell(
613 "foo",
614 &mut Row {
615 label: "nope".to_owned(),
616 entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
617 }
618 ),
619 HTML::from(
620 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">2</td>"#
621 )
622 );
623 assert_eq!(
624 render_cell(
625 "foo",
626 &mut Row {
627 label: "nope".to_owned(),
628 entries: HashMap::from([(
629 "foo".to_owned(),
630 vec![Some("5".to_owned()), Some("10".to_owned())]
631 )]),
632 }
633 ),
634 HTML::from(
635 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 10</td>"#
636 )
637 );
638 assert_eq!(
639 render_cell(
640 "foo",
641 &mut Row {
642 label: "nope".to_owned(),
643 entries: HashMap::from([("foo".to_owned(), vec![Some("5".to_owned()), None])]),
644 }
645 ),
646 HTML::from(
647 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 ✓</td>"#
648 )
649 );
650 assert_eq!(
651 render_cell(
652 "heart",
653 &mut Row {
654 label: "nope".to_owned(),
655 entries: HashMap::from([("heart".to_owned(), vec![Some("<3".to_owned())])]),
656 }
657 ),
658 HTML::from(
659 r#"<td class="yes" onmouseover="h2('nope','heart')" onmouseout="ch2('nope','heart')">&lt;3</td>"#
660 )
661 );
662 assert_eq!(
663 render_cell(
664 "foo",
665 &mut Row {
666 label: "bob's".to_owned(),
667 entries: HashMap::from([("foo".to_owned(), vec![None])]),
668 }
669 ),
670 HTML::from(
671 r#"<td class="yes" onmouseover="h2('bob&#39;s','foo')" onmouseout="ch2('bob&#39;s','foo')"></td>"#
672 )
673 );
674 let mut r = Row {
675 label: "nope".to_owned(),
676 entries: HashMap::from([
677 ("foo".to_owned(), vec![None]),
678 ("baz".to_owned(), vec![None]),
679 ]),
680 };
681 assert_eq!(r.entries.len(), 2);
682 render_cell("foo", &mut r);
683 assert_eq!(r.entries.len(), 1);
684 render_cell("bar", &mut r);
685 assert_eq!(r.entries.len(), 1);
686 render_cell("baz", &mut r);
687 assert_eq!(r.entries.len(), 0);
688 }
689
690 #[test]
691 fn test_render_leftovers() {
692 assert_eq!(
693 render_all_leftovers(&Row {
694 label: "nope".to_owned(),
695 entries: HashMap::from([("foo".to_owned(), vec![None])]),
696 }),
697 HTML::from("foo")
698 );
699 assert_eq!(
700 render_all_leftovers(&Row {
701 label: "nope".to_owned(),
702 entries: HashMap::from([
703 ("foo".to_owned(), vec![None]),
704 ("bar".to_owned(), vec![None])
705 ]),
706 }),
707 HTML::from("bar, foo")
708 );
709 assert_eq!(
710 render_all_leftovers(&Row {
711 label: "nope".to_owned(),
712 entries: HashMap::from([
713 ("foo".to_owned(), vec![None]),
714 ("bar".to_owned(), vec![None, None])
715 ]),
716 }),
717 HTML::from("bar: 2, foo")
718 );
719 }
720
721 #[test]
722 fn test_render_row() {
723 assert_eq!(
724 render_row(
725 &Config {
726 column_threshold: 0,
727 static_columns: vec![],
728 },
729 &["foo".to_owned()],
730 &mut Rowlike::Row(Row {
731 label: "nope".to_owned(),
732 entries: HashMap::from([("bar".to_owned(), vec![None])]),
733 })
734 ),
735 HTML::from(
736 r#"<tr><th id="nope">nope</th><td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')">bar</td></tr>
737"#
738 )
739 );
740 assert_eq!(
741 render_row(
742 &Config {
743 column_threshold: 0,
744 static_columns: vec![Some("foo".to_owned()), Some("bar".to_owned())],
745 },
746 &["baz".to_owned()],
747 &mut Rowlike::Row(Row {
748 label: "nope".to_owned(),
749 entries: HashMap::from([
750 ("bar".to_owned(), vec![Some("r".to_owned())]),
751 ("baz".to_owned(), vec![Some("z".to_owned())]),
752 ("foo".to_owned(), vec![Some("f".to_owned())]),
753 ]),
754 })
755 ),
756 HTML::from(
757 r#"<tr><th id="nope">nope</th><td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">f</td><td class="yes" onmouseover="h2('nope','bar')" onmouseout="ch2('nope','bar')">r</td><td class="yes" onmouseover="h2('nope','baz')" onmouseout="ch2('nope','baz')">z</td><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
758"#
759 )
760 );
761 assert_eq!(
762 render_row(
763 &Config {
764 column_threshold: 0,
765 static_columns: vec![Some("foo".to_owned()), None, Some("bar".to_owned())],
766 },
767 &[],
768 &mut Rowlike::Row(Row {
769 label: "nope".to_owned(),
770 entries: HashMap::from([
771 ("bar".to_owned(), vec![Some("r".to_owned())]),
772 ("foo".to_owned(), vec![Some("f".to_owned())]),
773 ]),
774 })
775 ),
776 HTML::from(
777 r#"<tr><th id="nope">nope</th><td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">f</td><td class="spacer_col"></td><td class="yes" onmouseover="h2('nope','bar')" onmouseout="ch2('nope','bar')">r</td><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
778"#
779 )
780 );
781 }
782}