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`!label col:new label` to substitute a different label for a column
[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 substitute_labels: HashMap<String, String>,
13}
14impl Config {
15 fn apply_command(&mut self, line_num: usize, cmd: &str) -> Result<(), std::io::Error> {
16 if let Some(threshold) = cmd.strip_prefix("col_threshold ") {
17 self.column_threshold = threshold.parse().map_err(|e| {
18 std::io::Error::new(
19 std::io::ErrorKind::InvalidInput,
20 format!("line {line_num}: col_threshold must be numeric: {e}"),
21 )
22 })?;
23 } else if let Some(col) = cmd.strip_prefix("hide ") {
24 self.hidden_columns.insert(col.to_owned());
25 } else if let Some(col) = cmd.strip_prefix("col ") {
26 self.static_columns.push(Some(col.to_owned()));
27 } else if cmd == "colsep" {
28 self.static_columns.push(None);
29 } else if let Some(directive) = cmd.strip_prefix("label ") {
30 match directive.split_once(':') {
31 None => {
32 return Err(std::io::Error::new(
33 std::io::ErrorKind::InvalidInput,
34 format!("line {line_num}: Annotation missing ':'"),
35 ))
36 }
37 Some((col, label)) => self
38 .substitute_labels
39 .insert(col.to_owned(), label.to_owned()),
40 };
41 } else {
42 return Err(std::io::Error::new(
43 std::io::ErrorKind::InvalidInput,
44 format!("line {line_num}: Unknown command: {cmd}"),
45 ));
46 }
47 Ok(())
48 }
49}
50impl Default for Config {
51 fn default() -> Self {
52 Self {
53 column_threshold: 2,
54 static_columns: vec![],
55 hidden_columns: HashSet::new(),
56 substitute_labels: HashMap::new(),
57 }
58 }
59}
60
61const HEADER: &str = r#"<!DOCTYPE html>
62<html>
63<head>
64 <meta charset="utf-8">
65 <meta name="viewport" content="width=device-width, initial-scale=1">
66 <style>
67 td { text-align: center; }
68 /* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
69 th, td { white-space: nowrap; }
70 th { text-align: left; font-weight: normal; }
71 th.spacer_row { height: .3em; }
72 .spacer_col { border: none; width: .2em; }
73 table { border-collapse: collapse }
74 tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
75 tr.key > th > div { width: 1em; }
76 tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
77 td { border: thin solid gray; }
78 td.leftover { text-align: left; border: none; padding-left: .4em; }
79 td.yes { border: thin solid gray; background-color: #ddd; }
80 /* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
81 .highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
82 </style>
83 <script>
84 function highlight(id) { const e = document.getElementById(id); if (e) { e.classList.add( "highlight"); } }
85 function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove("highlight"); } }
86 function h2(a, b) { highlight(a); highlight(b); }
87 function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
88 </script>
89</head>
90<body>
91 <table>
92 <tbody>
93"#;
94const FOOTER: &str = " </tbody>
95 </table>
96</body>
97</html>";
98
99#[derive(PartialEq, Eq, Debug)]
100pub struct HTML(String);
101impl HTML {
102 fn escape(value: &str) -> HTML {
103 let mut escaped: String = String::new();
104 for c in value.chars() {
105 match c {
106 '>' => escaped.push_str("&gt;"),
107 '<' => escaped.push_str("&lt;"),
108 '\'' => escaped.push_str("&#39;"),
109 '"' => escaped.push_str("&quot;"),
110 '&' => escaped.push_str("&amp;"),
111 ok_c => escaped.push(ok_c),
112 }
113 }
114 HTML(escaped)
115 }
116}
117impl From<&str> for HTML {
118 fn from(value: &str) -> HTML {
119 HTML(String::from(value))
120 }
121}
122impl FromIterator<HTML> for HTML {
123 fn from_iter<T>(iter: T) -> HTML
124 where
125 T: IntoIterator<Item = HTML>,
126 {
127 HTML(iter.into_iter().map(|html| html.0).collect::<String>())
128 }
129}
130impl std::fmt::Display for HTML {
131 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
132 write!(f, "{}", self.0)
133 }
134}
135
136#[derive(Debug, PartialEq, Eq)]
137enum InputLine<'a> {
138 Blank,
139 RowHeader(&'a str),
140 Entry(&'a str, Option<&'a str>),
141 Command(&'a str),
142}
143impl<'a> From<&'a str> for InputLine<'a> {
144 fn from(value: &'a str) -> InputLine<'a> {
145 let trimmed = value.trim_end();
146 if trimmed.is_empty() {
147 InputLine::Blank
148 } else if let Some(cmd) = trimmed.strip_prefix('!') {
149 InputLine::Command(cmd)
150 } else if !trimmed.starts_with(' ') {
151 InputLine::RowHeader(value.trim())
152 } else {
153 match value.split_once(':') {
154 None => InputLine::Entry(value.trim(), None),
155 Some((col, instance)) => InputLine::Entry(col.trim(), Some(instance.trim())),
156 }
157 }
158 }
159}
160
161#[derive(Debug, PartialEq, Eq)]
162struct Row {
163 label: String,
164 entries: HashMap<String, Vec<Option<String>>>,
165}
166
167#[derive(Debug, PartialEq, Eq)]
168enum Rowlike {
169 Row(Row),
170 Spacer,
171}
172
173struct Reader<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> {
174 input: std::iter::Enumerate<Input>,
175 row: Option<Row>,
176 config: &'cfg mut Config,
177}
178impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Reader<'cfg, Input> {
179 fn new(config: &'cfg mut Config, input: Input) -> Self {
180 Self {
181 input: input.enumerate(),
182 row: None,
183 config,
184 }
185 }
186}
187impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Iterator
188 for Reader<'cfg, Input>
189{
190 type Item = Result<Rowlike, std::io::Error>;
191 fn next(&mut self) -> Option<Self::Item> {
192 loop {
193 match self.input.next() {
194 None => return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose(),
195 Some((_, Err(e))) => return Some(Err(e)),
196 Some((n, Ok(line))) => match InputLine::from(line.as_ref()) {
197 InputLine::Command(cmd) => {
198 if let Err(e) = self.config.apply_command(n + 1, cmd) {
199 return Some(Err(e));
200 }
201 }
202 InputLine::Blank if self.row.is_some() => {
203 return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose()
204 }
205 InputLine::Blank => return Some(Ok(Rowlike::Spacer)),
206 InputLine::Entry(col, instance) => match &mut self.row {
207 None => {
208 return Some(Err(std::io::Error::other(format!(
209 "line {}: Entry with no header",
210 n + 1
211 ))))
212 }
213 Some(ref mut row) => {
214 row.entries
215 .entry(col.to_owned())
216 .and_modify(|is| is.push(instance.map(ToOwned::to_owned)))
217 .or_insert_with(|| vec![instance.map(ToOwned::to_owned)]);
218 }
219 },
220 InputLine::RowHeader(row) => {
221 let prev = std::mem::take(&mut self.row);
222 self.row = Some(Row {
223 label: row.to_owned(),
224 entries: HashMap::new(),
225 });
226 if prev.is_some() {
227 return Ok(prev.map(Rowlike::Row)).transpose();
228 }
229 }
230 },
231 }
232 }
233 }
234}
235
236fn read_input(input: impl std::io::Read) -> Result<(Vec<Rowlike>, Config), std::io::Error> {
237 let mut config = Config::default();
238 let reader = Reader::new(&mut config, std::io::BufReader::new(input).lines());
239 reader
240 .collect::<Result<Vec<_>, _>>()
241 .map(|rows| (rows, config))
242}
243
244fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
245 let empty = HashMap::new();
246 let mut counts: Vec<_> = rows
247 .iter()
248 .flat_map(|rl| match rl {
249 Rowlike::Row(r) => r.entries.keys(),
250 Rowlike::Spacer => empty.keys(),
251 })
252 .fold(HashMap::new(), |mut cs, col| {
253 cs.entry(col.to_owned())
254 .and_modify(|n| *n += 1)
255 .or_insert(1);
256 cs
257 })
258 .into_iter()
259 .map(|(col, n)| (n, col))
260 .collect();
261 counts.sort_unstable_by(|(an, acol), (bn, bcol)| bn.cmp(an).then(acol.cmp(bcol)));
262 counts
263}
264fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
265 let static_columns: HashSet<&str> = config
266 .static_columns
267 .iter()
268 .flatten()
269 .map(std::string::String::as_str)
270 .collect();
271 column_counts(rows)
272 .into_iter()
273 .filter_map(|(n, col)| {
274 (n >= config.column_threshold
275 && !static_columns.contains(col.as_str())
276 && !config.hidden_columns.contains(&col))
277 .then_some(col)
278 })
279 .collect()
280}
281
282fn render_one_instance(instance: &Option<String>) -> HTML {
283 match instance {
284 None => HTML::from("✓"),
285 Some(instance) => HTML::escape(instance.as_ref()),
286 }
287}
288
289fn render_instances(instances: &[Option<String>]) -> HTML {
290 let all_empty = instances.iter().all(Option::is_none);
291 if all_empty && instances.len() == 1 {
292 HTML::from("")
293 } else if all_empty {
294 HTML(format!("{}", instances.len()))
295 } else {
296 HTML(
297 instances
298 .iter()
299 .map(render_one_instance)
300 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
301 .collect::<Vec<_>>()
302 .join(" "),
303 )
304 }
305}
306
307fn render_cell(col: &str, row: &mut Row) -> HTML {
308 let row_label = HTML::escape(row.label.as_ref());
309 let col_label = HTML::escape(col);
310 let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
311 let class = HTML::from(if instances.is_none() { "" } else { "yes" });
312 let contents = match instances {
313 None => HTML::from(""),
314 Some(is) => render_instances(is),
315 };
316 row.entries.remove(col);
317 HTML(format!(
318 r#"<td class="{class}" onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
319 ))
320}
321
322fn render_leftover(notcol: &str, instances: &[Option<String>]) -> HTML {
323 let label = HTML::escape(notcol);
324 let rest = render_instances(instances);
325 if rest == HTML::from("") {
326 HTML(format!("{label}"))
327 } else {
328 HTML(format!("{label}: {rest}"))
329 }
330}
331
332fn render_all_leftovers(config: &Config, row: &Row) -> HTML {
333 let mut order: Vec<_> = row
334 .entries
335 .keys()
336 .filter(|&col| !config.hidden_columns.contains(col))
337 .collect();
338 order.sort_unstable();
339 HTML(
340 order
341 .into_iter()
342 .map(|notcol| render_leftover(notcol, row.entries.get(notcol).expect("Key vanished?!")))
343 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
344 .collect::<Vec<_>>()
345 .join(", "),
346 )
347}
348
349fn render_row(config: &Config, columns: &[String], rowlike: &mut Rowlike) -> HTML {
350 match rowlike {
351 Rowlike::Spacer => HTML::from("<tr><th class=\"spacer_row\"></th></tr>\n"),
352 Rowlike::Row(row) => {
353 let row_label = HTML::escape(row.label.as_ref());
354 let static_cells = config
355 .static_columns
356 .iter()
357 .map(|ocol| match ocol {
358 Some(col) if config.hidden_columns.contains(col) => HTML::from(""),
359 Some(col) => render_cell(col, row),
360 None => HTML::from(r#"<td class="spacer_col"></td>"#),
361 })
362 .collect::<HTML>();
363 let dynamic_cells = columns
364 .iter()
365 .filter(|&col| !config.hidden_columns.contains(col))
366 .map(|col| render_cell(col, row))
367 .collect::<HTML>();
368 let leftovers = render_all_leftovers(config, row);
369 HTML(format!(
370 "<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"
371 ))
372 }
373 }
374}
375
376fn column_header_labels<'a>(
377 config: &'a Config,
378 columns: &'a [String],
379) -> impl Iterator<Item = Option<&'a String>> {
380 let static_columns = config.static_columns.iter().map(|oc| oc.as_ref());
381 let dynamic_columns = columns.iter().map(Some);
382 static_columns
383 .chain(dynamic_columns)
384 .filter(|ocol| ocol.map_or(true, |col| !config.hidden_columns.contains(col)))
385 .map(|ocol| {
386 ocol.map(|col| match config.substitute_labels.get(col) {
387 None => col,
388 Some(substitute) => substitute,
389 })
390 })
391}
392
393fn render_column_headers(config: &Config, columns: &[String]) -> HTML {
394 HTML(
395 String::from(r#"<tr class="key"><th></th>"#)
396 + &column_header_labels(config, columns).fold(String::new(), |mut acc, ocol| {
397 match ocol {
398 Some(col) => {
399 let col_header = HTML::escape(col);
400 write!(
401 &mut acc,
402 r#"<th id="{col_header}"><div><div>{col_header}</div></div></th>"#
403 )
404 }
405 None => write!(&mut acc, r#"<th class="col_spacer"></th>"#),
406 }
407 .unwrap();
408 acc
409 })
410 + "</tr>\n",
411 )
412}
413
414/// # Errors
415///
416/// Will return `Err` if
417/// * there's an i/o error while reading `input`
418/// * the log has invalid syntax:
419/// * an indented line with no preceding non-indented line
420pub fn tablify(input: impl std::io::Read) -> Result<HTML, std::io::Error> {
421 let (rows, config) = read_input(input)?;
422 let columns = column_order(&config, &rows);
423 Ok(HTML(format!(
424 "{HEADER}{}{}{FOOTER}",
425 render_column_headers(&config, &columns),
426 rows.into_iter()
427 .map(|mut r| render_row(&config, &columns, &mut r))
428 .collect::<HTML>()
429 )))
430}
431
432#[cfg(test)]
433mod tests {
434 use super::*;
435
436 #[test]
437 fn test_parse_line() {
438 assert_eq!(InputLine::from(""), InputLine::Blank);
439 assert_eq!(InputLine::from(" "), InputLine::Blank);
440 assert_eq!(InputLine::from("foo"), InputLine::RowHeader("foo"));
441 assert_eq!(InputLine::from("foo "), InputLine::RowHeader("foo"));
442 assert_eq!(InputLine::from(" foo"), InputLine::Entry("foo", None));
443 assert_eq!(
444 InputLine::from(" foo:bar"),
445 InputLine::Entry("foo", Some("bar"))
446 );
447 assert_eq!(
448 InputLine::from(" foo: bar"),
449 InputLine::Entry("foo", Some("bar"))
450 );
451 assert_eq!(
452 InputLine::from(" foo: bar "),
453 InputLine::Entry("foo", Some("bar"))
454 );
455 assert_eq!(
456 InputLine::from(" foo: bar "),
457 InputLine::Entry("foo", Some("bar"))
458 );
459 assert_eq!(
460 InputLine::from(" foo : bar "),
461 InputLine::Entry("foo", Some("bar"))
462 );
463 }
464
465 fn read_rows(input: impl std::io::Read) -> Result<Vec<Rowlike>, std::io::Error> {
466 read_input(input).map(|(rows, _)| rows)
467 }
468 fn read_config(input: impl std::io::Read) -> Result<Config, std::io::Error> {
469 read_input(input).map(|(_, config)| config)
470 }
471 #[test]
472 fn test_read_rows() {
473 assert_eq!(
474 read_rows(&b"foo"[..]).unwrap(),
475 vec![Rowlike::Row(Row {
476 label: "foo".to_owned(),
477 entries: HashMap::new(),
478 })]
479 );
480 assert_eq!(
481 read_rows(&b"bar"[..]).unwrap(),
482 vec![Rowlike::Row(Row {
483 label: "bar".to_owned(),
484 entries: HashMap::new(),
485 })]
486 );
487 assert_eq!(
488 read_rows(&b"foo\nbar\n"[..]).unwrap(),
489 vec![
490 Rowlike::Row(Row {
491 label: "foo".to_owned(),
492 entries: HashMap::new(),
493 }),
494 Rowlike::Row(Row {
495 label: "bar".to_owned(),
496 entries: HashMap::new(),
497 })
498 ]
499 );
500 assert_eq!(
501 read_rows(&b"foo\n bar\n"[..]).unwrap(),
502 vec![Rowlike::Row(Row {
503 label: "foo".to_owned(),
504 entries: HashMap::from([("bar".to_owned(), vec![None])]),
505 })]
506 );
507 assert_eq!(
508 read_rows(&b"foo\n bar\n baz\n"[..]).unwrap(),
509 vec![Rowlike::Row(Row {
510 label: "foo".to_owned(),
511 entries: HashMap::from([
512 ("bar".to_owned(), vec![None]),
513 ("baz".to_owned(), vec![None])
514 ]),
515 })]
516 );
517 assert_eq!(
518 read_rows(&b"foo\n\nbar\n"[..]).unwrap(),
519 vec![
520 Rowlike::Row(Row {
521 label: "foo".to_owned(),
522 entries: HashMap::new(),
523 }),
524 Rowlike::Row(Row {
525 label: "bar".to_owned(),
526 entries: HashMap::new(),
527 })
528 ]
529 );
530 assert_eq!(
531 read_rows(&b"foo\n\n\nbar\n"[..]).unwrap(),
532 vec![
533 Rowlike::Row(Row {
534 label: "foo".to_owned(),
535 entries: HashMap::new(),
536 }),
537 Rowlike::Spacer,
538 Rowlike::Row(Row {
539 label: "bar".to_owned(),
540 entries: HashMap::new(),
541 })
542 ]
543 );
544 assert_eq!(
545 read_rows(&b"foo\n \nbar\n"[..]).unwrap(),
546 vec![
547 Rowlike::Row(Row {
548 label: "foo".to_owned(),
549 entries: HashMap::new(),
550 }),
551 Rowlike::Row(Row {
552 label: "bar".to_owned(),
553 entries: HashMap::new(),
554 })
555 ]
556 );
557 assert_eq!(
558 read_rows(&b"foo \n bar \n"[..]).unwrap(),
559 vec![Rowlike::Row(Row {
560 label: "foo".to_owned(),
561 entries: HashMap::from([("bar".to_owned(), vec![None])]),
562 })]
563 );
564
565 let bad = read_rows(&b" foo"[..]);
566 assert!(bad.is_err());
567 assert!(format!("{bad:?}").contains("line 1: Entry with no header"));
568
569 let bad2 = read_rows(&b"foo\n\n bar"[..]);
570 assert!(bad2.is_err());
571 assert!(format!("{bad2:?}").contains("line 3: Entry with no header"));
572 }
573
574 #[test]
575 fn test_read_config() {
576 assert_eq!(
577 read_config(&b"!col_threshold 10"[..])
578 .unwrap()
579 .column_threshold,
580 10
581 );
582 assert_eq!(
583 read_config(&b"!col foo"[..]).unwrap().static_columns,
584 vec![Some("foo".to_owned())]
585 );
586 assert_eq!(
587 read_config(&b"!label foo:bar"[..])
588 .unwrap()
589 .substitute_labels["foo"],
590 "bar"
591 );
592
593 let bad_command = read_config(&b"!no such command"[..]);
594 assert!(bad_command.is_err());
595 assert!(format!("{bad_command:?}").contains("line 1: Unknown command"));
596
597 let bad_num = read_config(&b"!col_threshold foo"[..]);
598 assert!(bad_num.is_err());
599 assert!(format!("{bad_num:?}").contains("line 1: col_threshold must be numeric"));
600
601 let bad_sub = read_config(&b"!label foo"[..]);
602 assert!(bad_sub.is_err());
603 assert!(format!("{bad_sub:?}").contains("line 1: Annotation missing ':'"));
604 }
605
606 #[test]
607 fn test_column_counts() {
608 assert_eq!(
609 column_counts(&read_rows(&b"foo\n bar\n baz\n"[..]).unwrap()),
610 vec![(1, String::from("bar")), (1, String::from("baz"))]
611 );
612 assert_eq!(
613 column_counts(&read_rows(&b"foo\n bar\n baz\nquux\n baz"[..]).unwrap()),
614 vec![(2, String::from("baz")), (1, String::from("bar"))]
615 );
616 assert_eq!(
617 column_counts(&read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..]).unwrap()),
618 vec![(2, String::from("baz")), (1, String::from("bar"))]
619 );
620 assert_eq!(
621 column_counts(
622 &read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..]).unwrap()
623 ),
624 vec![(2, String::from("baz")), (1, String::from("bar"))]
625 );
626 }
627
628 #[test]
629 fn test_column_header_labels() {
630 let mut cfg = Config::default();
631
632 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([Some(&"foo".to_owned())]));
633
634 cfg.static_columns.push(Some("bar".to_owned()));
635 assert!(column_header_labels(&cfg, &["foo".to_owned()])
636 .eq([Some(&"bar".to_owned()), Some(&"foo".to_owned())]));
637
638 cfg.static_columns.push(None);
639 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([
640 Some(&"bar".to_owned()),
641 None,
642 Some(&"foo".to_owned())
643 ]));
644
645 cfg.substitute_labels
646 .insert("foo".to_owned(), "foo (bits)".to_owned());
647 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([
648 Some(&"bar".to_owned()),
649 None,
650 Some(&"foo (bits)".to_owned())
651 ]));
652
653 cfg.hidden_columns.insert("foo".to_owned());
654 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([Some(&"bar".to_owned()), None]));
655
656 cfg.hidden_columns.insert("bar".to_owned());
657 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([None]));
658 }
659
660 #[test]
661 fn test_render_cell() {
662 assert_eq!(
663 render_cell(
664 "foo",
665 &mut Row {
666 label: "nope".to_owned(),
667 entries: HashMap::new(),
668 }
669 ),
670 HTML::from(
671 r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
672 )
673 );
674 assert_eq!(
675 render_cell(
676 "foo",
677 &mut Row {
678 label: "nope".to_owned(),
679 entries: HashMap::from([("bar".to_owned(), vec![None])]),
680 }
681 ),
682 HTML::from(
683 r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
684 )
685 );
686 assert_eq!(
687 render_cell(
688 "foo",
689 &mut Row {
690 label: "nope".to_owned(),
691 entries: HashMap::from([("foo".to_owned(), vec![None])]),
692 }
693 ),
694 HTML::from(
695 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
696 )
697 );
698 assert_eq!(
699 render_cell(
700 "foo",
701 &mut Row {
702 label: "nope".to_owned(),
703 entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
704 }
705 ),
706 HTML::from(
707 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">2</td>"#
708 )
709 );
710 assert_eq!(
711 render_cell(
712 "foo",
713 &mut Row {
714 label: "nope".to_owned(),
715 entries: HashMap::from([(
716 "foo".to_owned(),
717 vec![Some("5".to_owned()), Some("10".to_owned())]
718 )]),
719 }
720 ),
721 HTML::from(
722 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 10</td>"#
723 )
724 );
725 assert_eq!(
726 render_cell(
727 "foo",
728 &mut Row {
729 label: "nope".to_owned(),
730 entries: HashMap::from([("foo".to_owned(), vec![Some("5".to_owned()), None])]),
731 }
732 ),
733 HTML::from(
734 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 ✓</td>"#
735 )
736 );
737 assert_eq!(
738 render_cell(
739 "heart",
740 &mut Row {
741 label: "nope".to_owned(),
742 entries: HashMap::from([("heart".to_owned(), vec![Some("<3".to_owned())])]),
743 }
744 ),
745 HTML::from(
746 r#"<td class="yes" onmouseover="h2('nope','heart')" onmouseout="ch2('nope','heart')">&lt;3</td>"#
747 )
748 );
749 assert_eq!(
750 render_cell(
751 "foo",
752 &mut Row {
753 label: "bob's".to_owned(),
754 entries: HashMap::from([("foo".to_owned(), vec![None])]),
755 }
756 ),
757 HTML::from(
758 r#"<td class="yes" onmouseover="h2('bob&#39;s','foo')" onmouseout="ch2('bob&#39;s','foo')"></td>"#
759 )
760 );
761 let mut r = Row {
762 label: "nope".to_owned(),
763 entries: HashMap::from([
764 ("foo".to_owned(), vec![None]),
765 ("baz".to_owned(), vec![None]),
766 ]),
767 };
768 assert_eq!(r.entries.len(), 2);
769 render_cell("foo", &mut r);
770 assert_eq!(r.entries.len(), 1);
771 render_cell("bar", &mut r);
772 assert_eq!(r.entries.len(), 1);
773 render_cell("baz", &mut r);
774 assert_eq!(r.entries.len(), 0);
775 }
776
777 #[test]
778 fn test_render_leftovers() {
779 assert_eq!(
780 render_all_leftovers(
781 &Config::default(),
782 &Row {
783 label: "nope".to_owned(),
784 entries: HashMap::from([("foo".to_owned(), vec![None])]),
785 }
786 ),
787 HTML::from("foo")
788 );
789 assert_eq!(
790 render_all_leftovers(
791 &Config::default(),
792 &Row {
793 label: "nope".to_owned(),
794 entries: HashMap::from([
795 ("foo".to_owned(), vec![None]),
796 ("bar".to_owned(), vec![None])
797 ]),
798 }
799 ),
800 HTML::from("bar, foo")
801 );
802 assert_eq!(
803 render_all_leftovers(
804 &Config::default(),
805 &Row {
806 label: "nope".to_owned(),
807 entries: HashMap::from([
808 ("foo".to_owned(), vec![None]),
809 ("bar".to_owned(), vec![None, None])
810 ]),
811 }
812 ),
813 HTML::from("bar: 2, foo")
814 );
815 assert_eq!(
816 render_all_leftovers(
817 &Config {
818 column_threshold: 2,
819 static_columns: vec![],
820 hidden_columns: HashSet::from(["private".to_owned()]),
821 substitute_labels: HashMap::new(),
822 },
823 &Row {
824 label: "nope".to_owned(),
825 entries: HashMap::from([("private".to_owned(), vec![None]),]),
826 }
827 ),
828 HTML::from("")
829 );
830 }
831
832 #[test]
833 fn test_render_row() {
834 assert_eq!(
835 render_row(
836 &Config::default(),
837 &["foo".to_owned()],
838 &mut Rowlike::Row(Row {
839 label: "nope".to_owned(),
840 entries: HashMap::from([("bar".to_owned(), vec![None])]),
841 })
842 ),
843 HTML::from(
844 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>
845"#
846 )
847 );
848 assert_eq!(
849 render_row(
850 &Config {
851 column_threshold: 0,
852 static_columns: vec![Some("foo".to_owned()), Some("bar".to_owned())],
853 hidden_columns: HashSet::new(),
854 substitute_labels: HashMap::new(),
855 },
856 &["baz".to_owned()],
857 &mut Rowlike::Row(Row {
858 label: "nope".to_owned(),
859 entries: HashMap::from([
860 ("bar".to_owned(), vec![Some("r".to_owned())]),
861 ("baz".to_owned(), vec![Some("z".to_owned())]),
862 ("foo".to_owned(), vec![Some("f".to_owned())]),
863 ]),
864 })
865 ),
866 HTML::from(
867 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>
868"#
869 )
870 );
871 assert_eq!(
872 render_row(
873 &Config {
874 column_threshold: 0,
875 static_columns: vec![Some("foo".to_owned()), None, Some("bar".to_owned())],
876 hidden_columns: HashSet::new(),
877 substitute_labels: HashMap::new(),
878 },
879 &[],
880 &mut Rowlike::Row(Row {
881 label: "nope".to_owned(),
882 entries: HashMap::from([
883 ("bar".to_owned(), vec![Some("r".to_owned())]),
884 ("foo".to_owned(), vec![Some("f".to_owned())]),
885 ]),
886 })
887 ),
888 HTML::from(
889 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>
890"#
891 )
892 );
893 assert_eq!(
894 render_row(
895 &Config {
896 column_threshold: 0,
897 static_columns: vec![],
898 hidden_columns: HashSet::from(["foo".to_owned()]),
899 substitute_labels: HashMap::new(),
900 },
901 &[],
902 &mut Rowlike::Row(Row {
903 label: "nope".to_owned(),
904 entries: HashMap::from([("foo".to_owned(), vec![Some("f".to_owned())]),]),
905 })
906 ),
907 HTML::from(
908 r#"<tr><th id="nope">nope</th><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
909"#
910 )
911 );
912 assert_eq!(
913 render_row(
914 &Config {
915 column_threshold: 0,
916 static_columns: vec![Some("foo".to_owned())],
917 hidden_columns: HashSet::from(["foo".to_owned()]),
918 substitute_labels: HashMap::new(),
919 },
920 &[],
921 &mut Rowlike::Row(Row {
922 label: "nope".to_owned(),
923 entries: HashMap::from([("foo".to_owned(), vec![Some("f".to_owned())]),]),
924 })
925 ),
926 HTML::from(
927 r#"<tr><th id="nope">nope</th><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
928"#
929 )
930 );
931 }
932}
Summarize a text log as an HTML table