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Rename column_header_order → column_header_labels
[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 hidden_columns: HashSet<String>,
12}
13impl Config {
14 fn apply_command(&mut self, line_num: usize, cmd: &str) -> Result<(), std::io::Error> {
15 if let Some(threshold) = cmd.strip_prefix("col_threshold ") {
16 self.column_threshold = threshold.parse().map_err(|e| {
17 std::io::Error::new(
18 std::io::ErrorKind::InvalidInput,
19 format!("line {line_num}: col_threshold must be numeric: {e}"),
20 )
21 })?;
22 } else if let Some(col) = cmd.strip_prefix("hide ") {
23 self.hidden_columns.insert(col.to_owned());
24 } else if let Some(col) = cmd.strip_prefix("col ") {
25 self.static_columns.push(Some(col.to_owned()));
26 } else if cmd == "colsep" {
27 self.static_columns.push(None);
28 } else {
29 return Err(std::io::Error::new(
30 std::io::ErrorKind::InvalidInput,
31 format!("line {line_num}: Unknown command: {cmd}"),
32 ));
33 }
34 Ok(())
35 }
36}
37impl Default for Config {
38 fn default() -> Self {
39 Self {
40 column_threshold: 2,
41 static_columns: vec![],
42 hidden_columns: HashSet::new(),
43 }
44 }
45}
46
47const HEADER: &str = r#"<!DOCTYPE html>
48<html>
49<head>
50 <meta charset="utf-8">
51 <meta name="viewport" content="width=device-width, initial-scale=1">
52 <style>
53 td { text-align: center; }
54 /* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
55 th, td { white-space: nowrap; }
56 th { text-align: left; font-weight: normal; }
57 th.spacer_row { height: .3em; }
58 .spacer_col { border: none; width: .2em; }
59 table { border-collapse: collapse }
60 tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
61 tr.key > th > div { width: 1em; }
62 tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
63 td { border: thin solid gray; }
64 td.leftover { text-align: left; border: none; padding-left: .4em; }
65 td.yes { border: thin solid gray; background-color: #ddd; }
66 /* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
67 .highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
68 </style>
69 <script>
70 function highlight(id) { const e = document.getElementById(id); if (e) { e.classList.add( "highlight"); } }
71 function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove("highlight"); } }
72 function h2(a, b) { highlight(a); highlight(b); }
73 function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
74 </script>
75</head>
76<body>
77 <table>
78 <tbody>
79"#;
80const FOOTER: &str = " </tbody>
81 </table>
82</body>
83</html>";
84
85#[derive(PartialEq, Eq, Debug)]
86pub struct HTML(String);
87impl HTML {
88 fn escape(value: &str) -> HTML {
89 let mut escaped: String = String::new();
90 for c in value.chars() {
91 match c {
92 '>' => escaped.push_str("&gt;"),
93 '<' => escaped.push_str("&lt;"),
94 '\'' => escaped.push_str("&#39;"),
95 '"' => escaped.push_str("&quot;"),
96 '&' => escaped.push_str("&amp;"),
97 ok_c => escaped.push(ok_c),
98 }
99 }
100 HTML(escaped)
101 }
102}
103impl From<&str> for HTML {
104 fn from(value: &str) -> HTML {
105 HTML(String::from(value))
106 }
107}
108impl FromIterator<HTML> for HTML {
109 fn from_iter<T>(iter: T) -> HTML
110 where
111 T: IntoIterator<Item = HTML>,
112 {
113 HTML(iter.into_iter().map(|html| html.0).collect::<String>())
114 }
115}
116impl std::fmt::Display for HTML {
117 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
118 write!(f, "{}", self.0)
119 }
120}
121
122#[derive(Debug, PartialEq, Eq)]
123enum InputLine<'a> {
124 Blank,
125 RowHeader(&'a str),
126 Entry(&'a str, Option<&'a str>),
127 Command(&'a str),
128}
129impl<'a> From<&'a str> for InputLine<'a> {
130 fn from(value: &'a str) -> InputLine<'a> {
131 let trimmed = value.trim_end();
132 if trimmed.is_empty() {
133 InputLine::Blank
134 } else if let Some(cmd) = trimmed.strip_prefix('!') {
135 InputLine::Command(cmd)
136 } else if !trimmed.starts_with(' ') {
137 InputLine::RowHeader(value.trim())
138 } else {
139 match value.split_once(':') {
140 None => InputLine::Entry(value.trim(), None),
141 Some((col, instance)) => InputLine::Entry(col.trim(), Some(instance.trim())),
142 }
143 }
144 }
145}
146
147#[derive(Debug, PartialEq, Eq)]
148struct Row {
149 label: String,
150 entries: HashMap<String, Vec<Option<String>>>,
151}
152
153#[derive(Debug, PartialEq, Eq)]
154enum Rowlike {
155 Row(Row),
156 Spacer,
157}
158
159struct Reader<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> {
160 input: std::iter::Enumerate<Input>,
161 row: Option<Row>,
162 config: &'cfg mut Config,
163}
164impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Reader<'cfg, Input> {
165 fn new(config: &'cfg mut Config, input: Input) -> Self {
166 Self {
167 input: input.enumerate(),
168 row: None,
169 config,
170 }
171 }
172}
173impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Iterator
174 for Reader<'cfg, Input>
175{
176 type Item = Result<Rowlike, std::io::Error>;
177 fn next(&mut self) -> Option<Self::Item> {
178 loop {
179 match self.input.next() {
180 None => return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose(),
181 Some((_, Err(e))) => return Some(Err(e)),
182 Some((n, Ok(line))) => match InputLine::from(line.as_ref()) {
183 InputLine::Command(cmd) => {
184 if let Err(e) = self.config.apply_command(n + 1, cmd) {
185 return Some(Err(e));
186 }
187 }
188 InputLine::Blank if self.row.is_some() => {
189 return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose()
190 }
191 InputLine::Blank => return Some(Ok(Rowlike::Spacer)),
192 InputLine::Entry(col, instance) => match &mut self.row {
193 None => {
194 return Some(Err(std::io::Error::other(format!(
195 "line {}: Entry with no header",
196 n + 1
197 ))))
198 }
199 Some(ref mut row) => {
200 row.entries
201 .entry(col.to_owned())
202 .and_modify(|is| is.push(instance.map(ToOwned::to_owned)))
203 .or_insert_with(|| vec![instance.map(ToOwned::to_owned)]);
204 }
205 },
206 InputLine::RowHeader(row) => {
207 let prev = std::mem::take(&mut self.row);
208 self.row = Some(Row {
209 label: row.to_owned(),
210 entries: HashMap::new(),
211 });
212 if prev.is_some() {
213 return Ok(prev.map(Rowlike::Row)).transpose();
214 }
215 }
216 },
217 }
218 }
219 }
220}
221
222fn read_input(input: impl std::io::Read) -> Result<(Vec<Rowlike>, Config), std::io::Error> {
223 let mut config = Config::default();
224 let reader = Reader::new(&mut config, std::io::BufReader::new(input).lines());
225 reader
226 .collect::<Result<Vec<_>, _>>()
227 .map(|rows| (rows, config))
228}
229
230fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
231 let empty = HashMap::new();
232 let mut counts: Vec<_> = rows
233 .iter()
234 .flat_map(|rl| match rl {
235 Rowlike::Row(r) => r.entries.keys(),
236 Rowlike::Spacer => empty.keys(),
237 })
238 .fold(HashMap::new(), |mut cs, col| {
239 cs.entry(col.to_owned())
240 .and_modify(|n| *n += 1)
241 .or_insert(1);
242 cs
243 })
244 .into_iter()
245 .map(|(col, n)| (n, col))
246 .collect();
247 counts.sort_unstable_by(|(an, acol), (bn, bcol)| bn.cmp(an).then(acol.cmp(bcol)));
248 counts
249}
250fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
251 let static_columns: HashSet<&str> = config
252 .static_columns
253 .iter()
254 .flatten()
255 .map(std::string::String::as_str)
256 .collect();
257 column_counts(rows)
258 .into_iter()
259 .filter_map(|(n, col)| {
260 (n >= config.column_threshold
261 && !static_columns.contains(col.as_str())
262 && !config.hidden_columns.contains(&col))
263 .then_some(col)
264 })
265 .collect()
266}
267
268fn render_one_instance(instance: &Option<String>) -> HTML {
269 match instance {
270 None => HTML::from("✓"),
271 Some(instance) => HTML::escape(instance.as_ref()),
272 }
273}
274
275fn render_instances(instances: &[Option<String>]) -> HTML {
276 let all_empty = instances.iter().all(Option::is_none);
277 if all_empty && instances.len() == 1 {
278 HTML::from("")
279 } else if all_empty {
280 HTML(format!("{}", instances.len()))
281 } else {
282 HTML(
283 instances
284 .iter()
285 .map(render_one_instance)
286 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
287 .collect::<Vec<_>>()
288 .join(" "),
289 )
290 }
291}
292
293fn render_cell(col: &str, row: &mut Row) -> HTML {
294 let row_label = HTML::escape(row.label.as_ref());
295 let col_label = HTML::escape(col);
296 let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
297 let class = HTML::from(if instances.is_none() { "" } else { "yes" });
298 let contents = match instances {
299 None => HTML::from(""),
300 Some(is) => render_instances(is),
301 };
302 row.entries.remove(col);
303 HTML(format!(
304 r#"<td class="{class}" onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
305 ))
306}
307
308fn render_leftover(notcol: &str, instances: &[Option<String>]) -> HTML {
309 let label = HTML::escape(notcol);
310 let rest = render_instances(instances);
311 if rest == HTML::from("") {
312 HTML(format!("{label}"))
313 } else {
314 HTML(format!("{label}: {rest}"))
315 }
316}
317
318fn render_all_leftovers(config: &Config, row: &Row) -> HTML {
319 let mut order: Vec<_> = row
320 .entries
321 .keys()
322 .filter(|&col| !config.hidden_columns.contains(col))
323 .collect();
324 order.sort_unstable();
325 HTML(
326 order
327 .into_iter()
328 .map(|notcol| render_leftover(notcol, row.entries.get(notcol).expect("Key vanished?!")))
329 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
330 .collect::<Vec<_>>()
331 .join(", "),
332 )
333}
334
335fn render_row(config: &Config, columns: &[String], rowlike: &mut Rowlike) -> HTML {
336 match rowlike {
337 Rowlike::Spacer => HTML::from("<tr><th class=\"spacer_row\"></th></tr>\n"),
338 Rowlike::Row(row) => {
339 let row_label = HTML::escape(row.label.as_ref());
340 let static_cells = config
341 .static_columns
342 .iter()
343 .map(|ocol| match ocol {
344 Some(col) if config.hidden_columns.contains(col) => HTML::from(""),
345 Some(col) => render_cell(col, row),
346 None => HTML::from(r#"<td class="spacer_col"></td>"#),
347 })
348 .collect::<HTML>();
349 let dynamic_cells = columns
350 .iter()
351 .filter(|&col| !config.hidden_columns.contains(col))
352 .map(|col| render_cell(col, row))
353 .collect::<HTML>();
354 let leftovers = render_all_leftovers(config, row);
355 HTML(format!(
356 "<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"
357 ))
358 }
359 }
360}
361
362fn column_header_labels<'a>(
363 config: &'a Config,
364 columns: &'a [String],
365) -> impl Iterator<Item = Option<&'a String>> {
366 let static_columns = config.static_columns.iter().map(|oc| oc.as_ref());
367 let dynamic_columns = columns.iter().map(Some);
368 static_columns.chain(dynamic_columns).filter(|ocol| {
369 ocol.map_or(true, |col| !config.hidden_columns.contains(col))
370 })
371}
372
373fn render_column_headers(config: &Config, columns: &[String]) -> HTML {
374 HTML(
375 String::from(r#"<tr class="key"><th></th>"#)
376 + &column_header_labels(config, columns).fold(String::new(), |mut acc, ocol| {
377 match ocol {
378 Some(col) => {
379 let col_header = HTML::escape(col);
380 write!(
381 &mut acc,
382 r#"<th id="{col_header}"><div><div>{col_header}</div></div></th>"#
383 )
384 }
385 None => write!(&mut acc, r#"<th class="col_spacer"></th>"#),
386 }
387 .unwrap();
388 acc
389 })
390 + "</tr>\n",
391 )
392}
393
394/// # Errors
395///
396/// Will return `Err` if
397/// * there's an i/o error while reading `input`
398/// * the log has invalid syntax:
399/// * an indented line with no preceding non-indented line
400pub fn tablify(input: impl std::io::Read) -> Result<HTML, std::io::Error> {
401 let (rows, config) = read_input(input)?;
402 let columns = column_order(&config, &rows);
403 Ok(HTML(format!(
404 "{HEADER}{}{}{FOOTER}",
405 render_column_headers(&config, &columns),
406 rows.into_iter()
407 .map(|mut r| render_row(&config, &columns, &mut r))
408 .collect::<HTML>()
409 )))
410}
411
412#[cfg(test)]
413mod tests {
414 use super::*;
415
416 #[test]
417 fn test_parse_line() {
418 assert_eq!(InputLine::from(""), InputLine::Blank);
419 assert_eq!(InputLine::from(" "), InputLine::Blank);
420 assert_eq!(InputLine::from("foo"), InputLine::RowHeader("foo"));
421 assert_eq!(InputLine::from("foo "), InputLine::RowHeader("foo"));
422 assert_eq!(InputLine::from(" foo"), InputLine::Entry("foo", None));
423 assert_eq!(
424 InputLine::from(" foo:bar"),
425 InputLine::Entry("foo", Some("bar"))
426 );
427 assert_eq!(
428 InputLine::from(" foo: bar"),
429 InputLine::Entry("foo", Some("bar"))
430 );
431 assert_eq!(
432 InputLine::from(" foo: bar "),
433 InputLine::Entry("foo", Some("bar"))
434 );
435 assert_eq!(
436 InputLine::from(" foo: bar "),
437 InputLine::Entry("foo", Some("bar"))
438 );
439 assert_eq!(
440 InputLine::from(" foo : bar "),
441 InputLine::Entry("foo", Some("bar"))
442 );
443 }
444
445 fn read_rows(input: impl std::io::Read) -> Result<Vec<Rowlike>, std::io::Error> {
446 read_input(input).map(|(rows, _)| rows)
447 }
448 fn read_config(input: impl std::io::Read) -> Result<Config, std::io::Error> {
449 read_input(input).map(|(_, config)| config)
450 }
451 #[test]
452 fn test_read_rows() {
453 assert_eq!(
454 read_rows(&b"foo"[..]).unwrap(),
455 vec![Rowlike::Row(Row {
456 label: "foo".to_owned(),
457 entries: HashMap::new(),
458 })]
459 );
460 assert_eq!(
461 read_rows(&b"bar"[..]).unwrap(),
462 vec![Rowlike::Row(Row {
463 label: "bar".to_owned(),
464 entries: HashMap::new(),
465 })]
466 );
467 assert_eq!(
468 read_rows(&b"foo\nbar\n"[..]).unwrap(),
469 vec![
470 Rowlike::Row(Row {
471 label: "foo".to_owned(),
472 entries: HashMap::new(),
473 }),
474 Rowlike::Row(Row {
475 label: "bar".to_owned(),
476 entries: HashMap::new(),
477 })
478 ]
479 );
480 assert_eq!(
481 read_rows(&b"foo\n bar\n"[..]).unwrap(),
482 vec![Rowlike::Row(Row {
483 label: "foo".to_owned(),
484 entries: HashMap::from([("bar".to_owned(), vec![None])]),
485 })]
486 );
487 assert_eq!(
488 read_rows(&b"foo\n bar\n baz\n"[..]).unwrap(),
489 vec![Rowlike::Row(Row {
490 label: "foo".to_owned(),
491 entries: HashMap::from([
492 ("bar".to_owned(), vec![None]),
493 ("baz".to_owned(), vec![None])
494 ]),
495 })]
496 );
497 assert_eq!(
498 read_rows(&b"foo\n\nbar\n"[..]).unwrap(),
499 vec![
500 Rowlike::Row(Row {
501 label: "foo".to_owned(),
502 entries: HashMap::new(),
503 }),
504 Rowlike::Row(Row {
505 label: "bar".to_owned(),
506 entries: HashMap::new(),
507 })
508 ]
509 );
510 assert_eq!(
511 read_rows(&b"foo\n\n\nbar\n"[..]).unwrap(),
512 vec![
513 Rowlike::Row(Row {
514 label: "foo".to_owned(),
515 entries: HashMap::new(),
516 }),
517 Rowlike::Spacer,
518 Rowlike::Row(Row {
519 label: "bar".to_owned(),
520 entries: HashMap::new(),
521 })
522 ]
523 );
524 assert_eq!(
525 read_rows(&b"foo\n \nbar\n"[..]).unwrap(),
526 vec![
527 Rowlike::Row(Row {
528 label: "foo".to_owned(),
529 entries: HashMap::new(),
530 }),
531 Rowlike::Row(Row {
532 label: "bar".to_owned(),
533 entries: HashMap::new(),
534 })
535 ]
536 );
537 assert_eq!(
538 read_rows(&b"foo \n bar \n"[..]).unwrap(),
539 vec![Rowlike::Row(Row {
540 label: "foo".to_owned(),
541 entries: HashMap::from([("bar".to_owned(), vec![None])]),
542 })]
543 );
544
545 let bad = read_rows(&b" foo"[..]);
546 assert!(bad.is_err());
547 assert!(format!("{bad:?}").contains("line 1: Entry with no header"));
548
549 let bad2 = read_rows(&b"foo\n\n bar"[..]);
550 assert!(bad2.is_err());
551 assert!(format!("{bad2:?}").contains("line 3: Entry with no header"));
552 }
553
554 #[test]
555 fn test_read_config() {
556 assert_eq!(
557 read_config(&b"!col_threshold 10"[..])
558 .unwrap()
559 .column_threshold,
560 10
561 );
562 assert_eq!(
563 read_config(&b"!col foo"[..]).unwrap().static_columns,
564 vec![Some("foo".to_owned())]
565 );
566
567 let bad_command = read_config(&b"!no such command"[..]);
568 assert!(bad_command.is_err());
569 assert!(format!("{bad_command:?}").contains("line 1: Unknown command"));
570
571 let bad_num = read_config(&b"!col_threshold foo"[..]);
572 assert!(bad_num.is_err());
573 assert!(format!("{bad_num:?}").contains("line 1: col_threshold must be numeric"));
574 }
575
576 #[test]
577 fn test_column_counts() {
578 assert_eq!(
579 column_counts(&read_rows(&b"foo\n bar\n baz\n"[..]).unwrap()),
580 vec![(1, String::from("bar")), (1, String::from("baz"))]
581 );
582 assert_eq!(
583 column_counts(&read_rows(&b"foo\n bar\n baz\nquux\n baz"[..]).unwrap()),
584 vec![(2, String::from("baz")), (1, String::from("bar"))]
585 );
586 assert_eq!(
587 column_counts(&read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..]).unwrap()),
588 vec![(2, String::from("baz")), (1, String::from("bar"))]
589 );
590 assert_eq!(
591 column_counts(
592 &read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..]).unwrap()
593 ),
594 vec![(2, String::from("baz")), (1, String::from("bar"))]
595 );
596 }
597
598 #[test]
599 fn test_column_header_labels() {
600 let mut cfg = Config::default();
601
602 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([Some(&"foo".to_owned())]));
603
604 cfg.static_columns.push(Some("bar".to_owned()));
605 assert!(column_header_labels(&cfg, &["foo".to_owned()])
606 .eq([Some(&"bar".to_owned()), Some(&"foo".to_owned())]));
607
608 cfg.static_columns.push(None);
609 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([
610 Some(&"bar".to_owned()),
611 None,
612 Some(&"foo".to_owned())
613 ]));
614
615 cfg.hidden_columns.insert("foo".to_owned());
616 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([Some(&"bar".to_owned()), None]));
617
618 cfg.hidden_columns.insert("bar".to_owned());
619 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([None]));
620 }
621
622 #[test]
623 fn test_render_cell() {
624 assert_eq!(
625 render_cell(
626 "foo",
627 &mut Row {
628 label: "nope".to_owned(),
629 entries: HashMap::new(),
630 }
631 ),
632 HTML::from(
633 r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
634 )
635 );
636 assert_eq!(
637 render_cell(
638 "foo",
639 &mut Row {
640 label: "nope".to_owned(),
641 entries: HashMap::from([("bar".to_owned(), vec![None])]),
642 }
643 ),
644 HTML::from(
645 r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
646 )
647 );
648 assert_eq!(
649 render_cell(
650 "foo",
651 &mut Row {
652 label: "nope".to_owned(),
653 entries: HashMap::from([("foo".to_owned(), vec![None])]),
654 }
655 ),
656 HTML::from(
657 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
658 )
659 );
660 assert_eq!(
661 render_cell(
662 "foo",
663 &mut Row {
664 label: "nope".to_owned(),
665 entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
666 }
667 ),
668 HTML::from(
669 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">2</td>"#
670 )
671 );
672 assert_eq!(
673 render_cell(
674 "foo",
675 &mut Row {
676 label: "nope".to_owned(),
677 entries: HashMap::from([(
678 "foo".to_owned(),
679 vec![Some("5".to_owned()), Some("10".to_owned())]
680 )]),
681 }
682 ),
683 HTML::from(
684 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 10</td>"#
685 )
686 );
687 assert_eq!(
688 render_cell(
689 "foo",
690 &mut Row {
691 label: "nope".to_owned(),
692 entries: HashMap::from([("foo".to_owned(), vec![Some("5".to_owned()), None])]),
693 }
694 ),
695 HTML::from(
696 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 ✓</td>"#
697 )
698 );
699 assert_eq!(
700 render_cell(
701 "heart",
702 &mut Row {
703 label: "nope".to_owned(),
704 entries: HashMap::from([("heart".to_owned(), vec![Some("<3".to_owned())])]),
705 }
706 ),
707 HTML::from(
708 r#"<td class="yes" onmouseover="h2('nope','heart')" onmouseout="ch2('nope','heart')">&lt;3</td>"#
709 )
710 );
711 assert_eq!(
712 render_cell(
713 "foo",
714 &mut Row {
715 label: "bob's".to_owned(),
716 entries: HashMap::from([("foo".to_owned(), vec![None])]),
717 }
718 ),
719 HTML::from(
720 r#"<td class="yes" onmouseover="h2('bob&#39;s','foo')" onmouseout="ch2('bob&#39;s','foo')"></td>"#
721 )
722 );
723 let mut r = Row {
724 label: "nope".to_owned(),
725 entries: HashMap::from([
726 ("foo".to_owned(), vec![None]),
727 ("baz".to_owned(), vec![None]),
728 ]),
729 };
730 assert_eq!(r.entries.len(), 2);
731 render_cell("foo", &mut r);
732 assert_eq!(r.entries.len(), 1);
733 render_cell("bar", &mut r);
734 assert_eq!(r.entries.len(), 1);
735 render_cell("baz", &mut r);
736 assert_eq!(r.entries.len(), 0);
737 }
738
739 #[test]
740 fn test_render_leftovers() {
741 assert_eq!(
742 render_all_leftovers(
743 &Config::default(),
744 &Row {
745 label: "nope".to_owned(),
746 entries: HashMap::from([("foo".to_owned(), vec![None])]),
747 }
748 ),
749 HTML::from("foo")
750 );
751 assert_eq!(
752 render_all_leftovers(
753 &Config::default(),
754 &Row {
755 label: "nope".to_owned(),
756 entries: HashMap::from([
757 ("foo".to_owned(), vec![None]),
758 ("bar".to_owned(), vec![None])
759 ]),
760 }
761 ),
762 HTML::from("bar, foo")
763 );
764 assert_eq!(
765 render_all_leftovers(
766 &Config::default(),
767 &Row {
768 label: "nope".to_owned(),
769 entries: HashMap::from([
770 ("foo".to_owned(), vec![None]),
771 ("bar".to_owned(), vec![None, None])
772 ]),
773 }
774 ),
775 HTML::from("bar: 2, foo")
776 );
777 assert_eq!(
778 render_all_leftovers(
779 &Config {
780 column_threshold: 2,
781 static_columns: vec![],
782 hidden_columns: HashSet::from(["private".to_owned()]),
783 },
784 &Row {
785 label: "nope".to_owned(),
786 entries: HashMap::from([("private".to_owned(), vec![None]),]),
787 }
788 ),
789 HTML::from("")
790 );
791 }
792
793 #[test]
794 fn test_render_row() {
795 assert_eq!(
796 render_row(
797 &Config::default(),
798 &["foo".to_owned()],
799 &mut Rowlike::Row(Row {
800 label: "nope".to_owned(),
801 entries: HashMap::from([("bar".to_owned(), vec![None])]),
802 })
803 ),
804 HTML::from(
805 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>
806"#
807 )
808 );
809 assert_eq!(
810 render_row(
811 &Config {
812 column_threshold: 0,
813 static_columns: vec![Some("foo".to_owned()), Some("bar".to_owned())],
814 hidden_columns: HashSet::new(),
815 },
816 &["baz".to_owned()],
817 &mut Rowlike::Row(Row {
818 label: "nope".to_owned(),
819 entries: HashMap::from([
820 ("bar".to_owned(), vec![Some("r".to_owned())]),
821 ("baz".to_owned(), vec![Some("z".to_owned())]),
822 ("foo".to_owned(), vec![Some("f".to_owned())]),
823 ]),
824 })
825 ),
826 HTML::from(
827 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>
828"#
829 )
830 );
831 assert_eq!(
832 render_row(
833 &Config {
834 column_threshold: 0,
835 static_columns: vec![Some("foo".to_owned()), None, Some("bar".to_owned())],
836 hidden_columns: HashSet::new(),
837 },
838 &[],
839 &mut Rowlike::Row(Row {
840 label: "nope".to_owned(),
841 entries: HashMap::from([
842 ("bar".to_owned(), vec![Some("r".to_owned())]),
843 ("foo".to_owned(), vec![Some("f".to_owned())]),
844 ]),
845 })
846 ),
847 HTML::from(
848 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>
849"#
850 )
851 );
852 assert_eq!(
853 render_row(
854 &Config {
855 column_threshold: 0,
856 static_columns: vec![],
857 hidden_columns: HashSet::from(["foo".to_owned()]),
858 },
859 &[],
860 &mut Rowlike::Row(Row {
861 label: "nope".to_owned(),
862 entries: HashMap::from([("foo".to_owned(), vec![Some("f".to_owned())]),]),
863 })
864 ),
865 HTML::from(
866 r#"<tr><th id="nope">nope</th><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
867"#
868 )
869 );
870 assert_eq!(
871 render_row(
872 &Config {
873 column_threshold: 0,
874 static_columns: vec![Some("foo".to_owned())],
875 hidden_columns: HashSet::from(["foo".to_owned()]),
876 },
877 &[],
878 &mut Rowlike::Row(Row {
879 label: "nope".to_owned(),
880 entries: HashMap::from([("foo".to_owned(), vec![Some("f".to_owned())]),]),
881 })
882 ),
883 HTML::from(
884 r#"<tr><th id="nope">nope</th><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
885"#
886 )
887 );
888 }
889}
Summarize a text log as an HTML table