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Plumb config into render_cell()
[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
7fn tally_marks(n: usize) -> String {
8 let fives = { 0..n / 5 }.map(|_| '𝍸');
9 let ones = { 0..n % 5 }.map(|_| '𝍷');
10 fives.chain(ones).collect()
11}
12
13#[derive(PartialEq, Eq, Debug)]
14struct Config {
15 column_threshold: usize,
16 static_columns: Vec<Option<String>>,
17 hidden_columns: HashSet<String>,
18 substitute_labels: HashMap<String, String>,
19}
20impl Config {
21 fn apply_command(&mut self, line_num: usize, cmd: &str) -> Result<(), std::io::Error> {
22 if let Some(threshold) = cmd.strip_prefix("col_threshold ") {
23 self.column_threshold = threshold.parse().map_err(|e| {
24 std::io::Error::new(
25 std::io::ErrorKind::InvalidInput,
26 format!("line {line_num}: col_threshold must be numeric: {e}"),
27 )
28 })?;
29 } else if let Some(col) = cmd.strip_prefix("hide ") {
30 self.hidden_columns.insert(col.to_owned());
31 } else if let Some(col) = cmd.strip_prefix("col ") {
32 self.static_columns.push(Some(col.to_owned()));
33 } else if cmd == "colsep" {
34 self.static_columns.push(None);
35 } else if let Some(directive) = cmd.strip_prefix("label ") {
36 match directive.split_once(':') {
37 None => {
38 return Err(std::io::Error::new(
39 std::io::ErrorKind::InvalidInput,
40 format!("line {line_num}: Annotation missing ':'"),
41 ))
42 }
43 Some((col, label)) => self
44 .substitute_labels
45 .insert(col.to_owned(), label.to_owned()),
46 };
47 } else {
48 return Err(std::io::Error::new(
49 std::io::ErrorKind::InvalidInput,
50 format!("line {line_num}: Unknown command: {cmd}"),
51 ));
52 }
53 Ok(())
54 }
55}
56impl Default for Config {
57 fn default() -> Self {
58 Self {
59 column_threshold: 2,
60 static_columns: vec![],
61 hidden_columns: HashSet::new(),
62 substitute_labels: HashMap::new(),
63 }
64 }
65}
66
67const HEADER: &str = r#"<!DOCTYPE html>
68<html>
69<head>
70 <meta charset="utf-8">
71 <meta name="viewport" content="width=device-width, initial-scale=1">
72 <style>
73 td { text-align: center; }
74 /* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
75 th, td { white-space: nowrap; }
76 th { text-align: left; font-weight: normal; }
77 th.spacer_row { height: .3em; }
78 .spacer_col { border: none; width: .2em; }
79 table { border-collapse: collapse }
80 tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
81 tr.key > th > div { width: 1em; }
82 tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
83 td { border: thin solid gray; }
84 td.leftover { text-align: left; border: none; padding-left: .4em; }
85 td.yes { border: thin solid gray; background-color: #ddd; }
86 /* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
87 .highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
88 </style>
89 <script>
90 function highlight(id) { const e = document.getElementById(id); if (e) { e.classList.add( "highlight"); } }
91 function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove("highlight"); } }
92 function h2(a, b) { highlight(a); highlight(b); }
93 function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
94 </script>
95</head>
96<body>
97 <table>
98 <tbody>
99"#;
100const FOOTER: &str = " </tbody>
101 </table>
102</body>
103</html>";
104
105#[derive(PartialEq, Eq, Debug)]
106pub struct HTML(String);
107impl HTML {
108 fn escape(value: &str) -> HTML {
109 let mut escaped: String = String::new();
110 for c in value.chars() {
111 match c {
112 '>' => escaped.push_str("&gt;"),
113 '<' => escaped.push_str("&lt;"),
114 '\'' => escaped.push_str("&#39;"),
115 '"' => escaped.push_str("&quot;"),
116 '&' => escaped.push_str("&amp;"),
117 ok_c => escaped.push(ok_c),
118 }
119 }
120 HTML(escaped)
121 }
122}
123impl From<&str> for HTML {
124 fn from(value: &str) -> HTML {
125 HTML(String::from(value))
126 }
127}
128impl FromIterator<HTML> for HTML {
129 fn from_iter<T>(iter: T) -> HTML
130 where
131 T: IntoIterator<Item = HTML>,
132 {
133 HTML(iter.into_iter().map(|html| html.0).collect::<String>())
134 }
135}
136impl std::fmt::Display for HTML {
137 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
138 write!(f, "{}", self.0)
139 }
140}
141
142#[derive(Debug, PartialEq, Eq)]
143enum InputLine<'a> {
144 Blank,
145 RowHeader(&'a str),
146 Entry(&'a str, Option<&'a str>),
147 Command(&'a str),
148}
149impl<'a> From<&'a str> for InputLine<'a> {
150 fn from(value: &'a str) -> InputLine<'a> {
151 let trimmed = value.trim_end();
152 if trimmed.is_empty() {
153 InputLine::Blank
154 } else if let Some(cmd) = trimmed.strip_prefix('!') {
155 InputLine::Command(cmd)
156 } else if !trimmed.starts_with(' ') {
157 InputLine::RowHeader(value.trim())
158 } else {
159 match value.split_once(':') {
160 None => InputLine::Entry(value.trim(), None),
161 Some((col, instance)) => InputLine::Entry(col.trim(), Some(instance.trim())),
162 }
163 }
164 }
165}
166
167#[derive(Debug, PartialEq, Eq)]
168struct Row {
169 label: String,
170 entries: HashMap<String, Vec<Option<String>>>,
171}
172
173#[derive(Debug, PartialEq, Eq)]
174enum Rowlike {
175 Row(Row),
176 Spacer,
177}
178
179struct Reader<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> {
180 input: std::iter::Enumerate<Input>,
181 row: Option<Row>,
182 config: &'cfg mut Config,
183}
184impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Reader<'cfg, Input> {
185 fn new(config: &'cfg mut Config, input: Input) -> Self {
186 Self {
187 input: input.enumerate(),
188 row: None,
189 config,
190 }
191 }
192}
193impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Iterator
194 for Reader<'cfg, Input>
195{
196 type Item = Result<Rowlike, std::io::Error>;
197 fn next(&mut self) -> Option<Self::Item> {
198 loop {
199 match self.input.next() {
200 None => return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose(),
201 Some((_, Err(e))) => return Some(Err(e)),
202 Some((n, Ok(line))) => match InputLine::from(line.as_ref()) {
203 InputLine::Command(cmd) => {
204 if let Err(e) = self.config.apply_command(n + 1, cmd) {
205 return Some(Err(e));
206 }
207 }
208 InputLine::Blank if self.row.is_some() => {
209 return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose()
210 }
211 InputLine::Blank => return Some(Ok(Rowlike::Spacer)),
212 InputLine::Entry(col, instance) => match &mut self.row {
213 None => {
214 return Some(Err(std::io::Error::other(format!(
215 "line {}: Entry with no header",
216 n + 1
217 ))))
218 }
219 Some(ref mut row) => {
220 row.entries
221 .entry(col.to_owned())
222 .and_modify(|is| is.push(instance.map(ToOwned::to_owned)))
223 .or_insert_with(|| vec![instance.map(ToOwned::to_owned)]);
224 }
225 },
226 InputLine::RowHeader(row) => {
227 let prev = std::mem::take(&mut self.row);
228 self.row = Some(Row {
229 label: row.to_owned(),
230 entries: HashMap::new(),
231 });
232 if prev.is_some() {
233 return Ok(prev.map(Rowlike::Row)).transpose();
234 }
235 }
236 },
237 }
238 }
239 }
240}
241
242fn read_input(input: impl std::io::Read) -> Result<(Vec<Rowlike>, Config), std::io::Error> {
243 let mut config = Config::default();
244 let reader = Reader::new(&mut config, std::io::BufReader::new(input).lines());
245 reader
246 .collect::<Result<Vec<_>, _>>()
247 .map(|rows| (rows, config))
248}
249
250fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
251 let empty = HashMap::new();
252 let mut counts: Vec<_> = rows
253 .iter()
254 .flat_map(|rl| match rl {
255 Rowlike::Row(r) => r.entries.keys(),
256 Rowlike::Spacer => empty.keys(),
257 })
258 .fold(HashMap::new(), |mut cs, col| {
259 cs.entry(col.to_owned())
260 .and_modify(|n| *n += 1)
261 .or_insert(1);
262 cs
263 })
264 .into_iter()
265 .map(|(col, n)| (n, col))
266 .collect();
267 counts.sort_unstable_by(|(an, acol), (bn, bcol)| bn.cmp(an).then(acol.cmp(bcol)));
268 counts
269}
270fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
271 let static_columns: HashSet<&str> = config
272 .static_columns
273 .iter()
274 .flatten()
275 .map(std::string::String::as_str)
276 .collect();
277 column_counts(rows)
278 .into_iter()
279 .filter_map(|(n, col)| {
280 (n >= config.column_threshold
281 && !static_columns.contains(col.as_str())
282 && !config.hidden_columns.contains(&col))
283 .then_some(col)
284 })
285 .collect()
286}
287
288fn render_instances(instances: &[Option<String>]) -> HTML {
289 let mut tally = 0;
290 let mut out = vec![];
291 for ins in instances {
292 match ins {
293 None => tally += 1,
294 Some(content) => {
295 if tally > 0 {
296 out.push(HTML(tally_marks(tally)));
297 tally = 0;
298 }
299 out.push(HTML::escape(content));
300 }
301 }
302 }
303 if tally > 0 {
304 out.push(HTML(tally_marks(tally)));
305 }
306 HTML(
307 out.into_iter()
308 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
309 .collect::<Vec<_>>()
310 .join(" "),
311 )
312}
313
314fn render_cell(config: &Config, col: &str, row: &mut Row) -> HTML {
315 let row_label = HTML::escape(row.label.as_ref());
316 let col_label = HTML::escape(col);
317 let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
318 let is_empty = match instances {
319 None => true,
320 Some(is) => is.iter().all(|ins| match ins {
321 None => false,
322 Some(content) => content == "×",
323 }),
324 };
325 let class = HTML::from(if is_empty { "" } else { r#" class="yes""# });
326 let contents = match instances {
327 None => HTML::from(""),
328 Some(is) => render_instances(is),
329 };
330 row.entries.remove(col);
331 HTML(format!(
332 r#"<td{class} onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
333 ))
334}
335
336fn render_leftover(notcol: &str, instances: &[Option<String>]) -> HTML {
337 let label = HTML::escape(notcol);
338 if instances.len() == 1 && instances[0].is_none() {
339 HTML(format!("{label}"))
340 } else {
341 let rest = render_instances(instances);
342 HTML(format!("{label}: {rest}"))
343 }
344}
345
346fn render_all_leftovers(config: &Config, row: &Row) -> HTML {
347 let mut order: Vec<_> = row
348 .entries
349 .keys()
350 .filter(|&col| !config.hidden_columns.contains(col))
351 .collect();
352 order.sort_unstable();
353 HTML(
354 order
355 .into_iter()
356 .map(|notcol| render_leftover(notcol, row.entries.get(notcol).expect("Key vanished?!")))
357 .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
358 .collect::<Vec<_>>()
359 .join(", "),
360 )
361}
362
363fn render_row(config: &Config, columns: &[String], rowlike: &mut Rowlike) -> HTML {
364 match rowlike {
365 Rowlike::Spacer => HTML::from("<tr><th class=\"spacer_row\"></th></tr>\n"),
366 Rowlike::Row(row) => {
367 let row_label = HTML::escape(row.label.as_ref());
368 let static_cells = config
369 .static_columns
370 .iter()
371 .map(|ocol| match ocol {
372 Some(col) if config.hidden_columns.contains(col) => HTML::from(""),
373 Some(col) => render_cell(config, col, row),
374 None => HTML::from(r#"<td class="spacer_col"></td>"#),
375 })
376 .collect::<HTML>();
377 let dynamic_cells = columns
378 .iter()
379 .filter(|&col| !config.hidden_columns.contains(col))
380 .map(|col| render_cell(config, col, row))
381 .collect::<HTML>();
382 let leftovers = render_all_leftovers(config, row);
383 HTML(format!(
384 "<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"
385 ))
386 }
387 }
388}
389
390fn column_header_labels<'a>(
391 config: &'a Config,
392 columns: &'a [String],
393) -> impl Iterator<Item = Option<&'a String>> {
394 let static_columns = config.static_columns.iter().map(|oc| oc.as_ref());
395 let dynamic_columns = columns.iter().map(Some);
396 static_columns
397 .chain(dynamic_columns)
398 .filter(|ocol| ocol.map_or(true, |col| !config.hidden_columns.contains(col)))
399 .map(|ocol| {
400 ocol.map(|col| match config.substitute_labels.get(col) {
401 None => col,
402 Some(substitute) => substitute,
403 })
404 })
405}
406
407fn render_column_headers(config: &Config, columns: &[String]) -> HTML {
408 HTML(
409 String::from(r#"<tr class="key"><th></th>"#)
410 + &column_header_labels(config, columns).fold(String::new(), |mut acc, ocol| {
411 match ocol {
412 Some(col) => {
413 let col_header = HTML::escape(col);
414 write!(
415 &mut acc,
416 r#"<th id="{col_header}"><div><div>{col_header}</div></div></th>"#
417 )
418 }
419 None => write!(&mut acc, r#"<th class="col_spacer"></th>"#),
420 }
421 .unwrap();
422 acc
423 })
424 + "</tr>\n",
425 )
426}
427
428/// # Errors
429///
430/// Will return `Err` if
431/// * there's an i/o error while reading `input`
432/// * the log has invalid syntax:
433/// * an indented line with no preceding non-indented line
434pub fn tablify(input: impl std::io::Read) -> Result<HTML, std::io::Error> {
435 let (rows, config) = read_input(input)?;
436 let columns = column_order(&config, &rows);
437 Ok(HTML(format!(
438 "{HEADER}{}{}{FOOTER}",
439 render_column_headers(&config, &columns),
440 rows.into_iter()
441 .map(|mut r| render_row(&config, &columns, &mut r))
442 .collect::<HTML>()
443 )))
444}
445
446#[cfg(test)]
447mod tests {
448 use super::*;
449
450 #[test]
451 fn test_parse_line() {
452 assert_eq!(InputLine::from(""), InputLine::Blank);
453 assert_eq!(InputLine::from(" "), InputLine::Blank);
454 assert_eq!(InputLine::from("foo"), InputLine::RowHeader("foo"));
455 assert_eq!(InputLine::from("foo "), InputLine::RowHeader("foo"));
456 assert_eq!(InputLine::from(" foo"), InputLine::Entry("foo", None));
457 assert_eq!(
458 InputLine::from(" foo:bar"),
459 InputLine::Entry("foo", Some("bar"))
460 );
461 assert_eq!(
462 InputLine::from(" foo: bar"),
463 InputLine::Entry("foo", Some("bar"))
464 );
465 assert_eq!(
466 InputLine::from(" foo: bar "),
467 InputLine::Entry("foo", Some("bar"))
468 );
469 assert_eq!(
470 InputLine::from(" foo: bar "),
471 InputLine::Entry("foo", Some("bar"))
472 );
473 assert_eq!(
474 InputLine::from(" foo : bar "),
475 InputLine::Entry("foo", Some("bar"))
476 );
477 }
478
479 #[test]
480 fn test_tally_marks() {
481 assert_eq!(tally_marks(1), "𝍷");
482 assert_eq!(tally_marks(2), "𝍷𝍷");
483 assert_eq!(tally_marks(3), "𝍷𝍷𝍷");
484 assert_eq!(tally_marks(4), "𝍷𝍷𝍷𝍷");
485 assert_eq!(tally_marks(5), "𝍸");
486 assert_eq!(tally_marks(6), "𝍸𝍷");
487 assert_eq!(tally_marks(7), "𝍸𝍷𝍷");
488 assert_eq!(tally_marks(8), "𝍸𝍷𝍷𝍷");
489 assert_eq!(tally_marks(9), "𝍸𝍷𝍷𝍷𝍷");
490 assert_eq!(tally_marks(10), "𝍸𝍸");
491 assert_eq!(tally_marks(11), "𝍸𝍸𝍷");
492 }
493
494 fn read_rows(input: impl std::io::Read) -> Result<Vec<Rowlike>, std::io::Error> {
495 read_input(input).map(|(rows, _)| rows)
496 }
497 fn read_config(input: impl std::io::Read) -> Result<Config, std::io::Error> {
498 read_input(input).map(|(_, config)| config)
499 }
500 #[test]
501 fn test_read_rows() {
502 assert_eq!(
503 read_rows(&b"foo"[..]).unwrap(),
504 vec![Rowlike::Row(Row {
505 label: "foo".to_owned(),
506 entries: HashMap::new(),
507 })]
508 );
509 assert_eq!(
510 read_rows(&b"bar"[..]).unwrap(),
511 vec![Rowlike::Row(Row {
512 label: "bar".to_owned(),
513 entries: HashMap::new(),
514 })]
515 );
516 assert_eq!(
517 read_rows(&b"foo\nbar\n"[..]).unwrap(),
518 vec![
519 Rowlike::Row(Row {
520 label: "foo".to_owned(),
521 entries: HashMap::new(),
522 }),
523 Rowlike::Row(Row {
524 label: "bar".to_owned(),
525 entries: HashMap::new(),
526 })
527 ]
528 );
529 assert_eq!(
530 read_rows(&b"foo\n bar\n"[..]).unwrap(),
531 vec![Rowlike::Row(Row {
532 label: "foo".to_owned(),
533 entries: HashMap::from([("bar".to_owned(), vec![None])]),
534 })]
535 );
536 assert_eq!(
537 read_rows(&b"foo\n bar\n baz\n"[..]).unwrap(),
538 vec![Rowlike::Row(Row {
539 label: "foo".to_owned(),
540 entries: HashMap::from([
541 ("bar".to_owned(), vec![None]),
542 ("baz".to_owned(), vec![None])
543 ]),
544 })]
545 );
546 assert_eq!(
547 read_rows(&b"foo\n\nbar\n"[..]).unwrap(),
548 vec![
549 Rowlike::Row(Row {
550 label: "foo".to_owned(),
551 entries: HashMap::new(),
552 }),
553 Rowlike::Row(Row {
554 label: "bar".to_owned(),
555 entries: HashMap::new(),
556 })
557 ]
558 );
559 assert_eq!(
560 read_rows(&b"foo\n\n\nbar\n"[..]).unwrap(),
561 vec![
562 Rowlike::Row(Row {
563 label: "foo".to_owned(),
564 entries: HashMap::new(),
565 }),
566 Rowlike::Spacer,
567 Rowlike::Row(Row {
568 label: "bar".to_owned(),
569 entries: HashMap::new(),
570 })
571 ]
572 );
573 assert_eq!(
574 read_rows(&b"foo\n \nbar\n"[..]).unwrap(),
575 vec![
576 Rowlike::Row(Row {
577 label: "foo".to_owned(),
578 entries: HashMap::new(),
579 }),
580 Rowlike::Row(Row {
581 label: "bar".to_owned(),
582 entries: HashMap::new(),
583 })
584 ]
585 );
586 assert_eq!(
587 read_rows(&b"foo \n bar \n"[..]).unwrap(),
588 vec![Rowlike::Row(Row {
589 label: "foo".to_owned(),
590 entries: HashMap::from([("bar".to_owned(), vec![None])]),
591 })]
592 );
593
594 let bad = read_rows(&b" foo"[..]);
595 assert!(bad.is_err());
596 assert!(format!("{bad:?}").contains("line 1: Entry with no header"));
597
598 let bad2 = read_rows(&b"foo\n\n bar"[..]);
599 assert!(bad2.is_err());
600 assert!(format!("{bad2:?}").contains("line 3: Entry with no header"));
601 }
602
603 #[test]
604 fn test_read_config() {
605 assert_eq!(
606 read_config(&b"!col_threshold 10"[..])
607 .unwrap()
608 .column_threshold,
609 10
610 );
611 assert_eq!(
612 read_config(&b"!col foo"[..]).unwrap().static_columns,
613 vec![Some("foo".to_owned())]
614 );
615 assert_eq!(
616 read_config(&b"!label foo:bar"[..])
617 .unwrap()
618 .substitute_labels["foo"],
619 "bar"
620 );
621
622 let bad_command = read_config(&b"!no such command"[..]);
623 assert!(bad_command.is_err());
624 assert!(format!("{bad_command:?}").contains("line 1: Unknown command"));
625
626 let bad_num = read_config(&b"!col_threshold foo"[..]);
627 assert!(bad_num.is_err());
628 assert!(format!("{bad_num:?}").contains("line 1: col_threshold must be numeric"));
629
630 let bad_sub = read_config(&b"!label foo"[..]);
631 assert!(bad_sub.is_err());
632 assert!(format!("{bad_sub:?}").contains("line 1: Annotation missing ':'"));
633 }
634
635 #[test]
636 fn test_column_counts() {
637 assert_eq!(
638 column_counts(&read_rows(&b"foo\n bar\n baz\n"[..]).unwrap()),
639 vec![(1, String::from("bar")), (1, String::from("baz"))]
640 );
641 assert_eq!(
642 column_counts(&read_rows(&b"foo\n bar\n baz\nquux\n baz"[..]).unwrap()),
643 vec![(2, String::from("baz")), (1, String::from("bar"))]
644 );
645 assert_eq!(
646 column_counts(&read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..]).unwrap()),
647 vec![(2, String::from("baz")), (1, String::from("bar"))]
648 );
649 assert_eq!(
650 column_counts(
651 &read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..]).unwrap()
652 ),
653 vec![(2, String::from("baz")), (1, String::from("bar"))]
654 );
655 }
656
657 #[test]
658 fn test_column_header_labels() {
659 let mut cfg = Config::default();
660
661 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([Some(&"foo".to_owned())]));
662
663 cfg.static_columns.push(Some("bar".to_owned()));
664 assert!(column_header_labels(&cfg, &["foo".to_owned()])
665 .eq([Some(&"bar".to_owned()), Some(&"foo".to_owned())]));
666
667 cfg.static_columns.push(None);
668 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([
669 Some(&"bar".to_owned()),
670 None,
671 Some(&"foo".to_owned())
672 ]));
673
674 cfg.substitute_labels
675 .insert("foo".to_owned(), "foo (bits)".to_owned());
676 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([
677 Some(&"bar".to_owned()),
678 None,
679 Some(&"foo (bits)".to_owned())
680 ]));
681
682 cfg.hidden_columns.insert("foo".to_owned());
683 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([Some(&"bar".to_owned()), None]));
684
685 cfg.hidden_columns.insert("bar".to_owned());
686 assert!(column_header_labels(&cfg, &["foo".to_owned()]).eq([None]));
687 }
688
689 #[test]
690 fn test_render_cell() {
691 assert_eq!(
692 render_cell(
693 &Config::default(),
694 "foo",
695 &mut Row {
696 label: "nope".to_owned(),
697 entries: HashMap::new(),
698 }
699 ),
700 HTML::from(
701 r#"<td onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
702 )
703 );
704 assert_eq!(
705 render_cell(
706 &Config::default(),
707 "foo",
708 &mut Row {
709 label: "nope".to_owned(),
710 entries: HashMap::from([("bar".to_owned(), vec![None])]),
711 }
712 ),
713 HTML::from(
714 r#"<td onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
715 )
716 );
717 assert_eq!(
718 render_cell(
719 &Config::default(),
720 "foo",
721 &mut Row {
722 label: "nope".to_owned(),
723 entries: HashMap::from([("foo".to_owned(), vec![None])]),
724 }
725 ),
726 HTML::from(
727 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">𝍷</td>"#
728 )
729 );
730 assert_eq!(
731 render_cell(
732 &Config::default(),
733 "foo",
734 &mut Row {
735 label: "nope".to_owned(),
736 entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
737 }
738 ),
739 HTML::from(
740 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">𝍷𝍷</td>"#
741 )
742 );
743 assert_eq!(
744 render_cell(
745 &Config::default(),
746 "foo",
747 &mut Row {
748 label: "nope".to_owned(),
749 entries: HashMap::from([(
750 "foo".to_owned(),
751 vec![Some("5".to_owned()), Some("10".to_owned())]
752 )]),
753 }
754 ),
755 HTML::from(
756 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 10</td>"#
757 )
758 );
759 assert_eq!(
760 render_cell(
761 &Config::default(),
762 "foo",
763 &mut Row {
764 label: "nope".to_owned(),
765 entries: HashMap::from([("foo".to_owned(), vec![Some("5".to_owned()), None])]),
766 }
767 ),
768 HTML::from(
769 r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 𝍷</td>"#
770 )
771 );
772 assert_eq!(
773 render_cell(
774 &Config::default(),
775 "foo",
776 &mut Row {
777 label: "nope".to_owned(),
778 entries: HashMap::from([("foo".to_owned(), vec![Some("×".to_owned())])]),
779 }
780 ),
781 HTML::from(
782 r#"<td onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">×</td>"#
783 )
784 );
785 assert_eq!(
786 render_cell(
787 &Config::default(),
788 "heart",
789 &mut Row {
790 label: "nope".to_owned(),
791 entries: HashMap::from([("heart".to_owned(), vec![Some("<3".to_owned())])]),
792 }
793 ),
794 HTML::from(
795 r#"<td class="yes" onmouseover="h2('nope','heart')" onmouseout="ch2('nope','heart')">&lt;3</td>"#
796 )
797 );
798 assert_eq!(
799 render_cell(
800 &Config::default(),
801 "foo",
802 &mut Row {
803 label: "bob's".to_owned(),
804 entries: HashMap::from([("foo".to_owned(), vec![None])]),
805 }
806 ),
807 HTML::from(
808 r#"<td class="yes" onmouseover="h2('bob&#39;s','foo')" onmouseout="ch2('bob&#39;s','foo')">𝍷</td>"#
809 )
810 );
811 let mut r = Row {
812 label: "nope".to_owned(),
813 entries: HashMap::from([
814 ("foo".to_owned(), vec![None]),
815 ("baz".to_owned(), vec![None]),
816 ]),
817 };
818 assert_eq!(r.entries.len(), 2);
819 render_cell(&Config::default(), "foo", &mut r);
820 assert_eq!(r.entries.len(), 1);
821 render_cell(&Config::default(), "bar", &mut r);
822 assert_eq!(r.entries.len(), 1);
823 render_cell(&Config::default(), "baz", &mut r);
824 assert_eq!(r.entries.len(), 0);
825 }
826
827 #[test]
828 fn test_render_leftovers() {
829 assert_eq!(
830 render_all_leftovers(
831 &Config::default(),
832 &Row {
833 label: "nope".to_owned(),
834 entries: HashMap::from([("foo".to_owned(), vec![None])]),
835 }
836 ),
837 HTML::from("foo")
838 );
839 assert_eq!(
840 render_all_leftovers(
841 &Config::default(),
842 &Row {
843 label: "nope".to_owned(),
844 entries: HashMap::from([
845 ("foo".to_owned(), vec![None]),
846 ("bar".to_owned(), vec![None])
847 ]),
848 }
849 ),
850 HTML::from("bar, foo")
851 );
852 assert_eq!(
853 render_all_leftovers(
854 &Config::default(),
855 &Row {
856 label: "nope".to_owned(),
857 entries: HashMap::from([
858 ("foo".to_owned(), vec![None]),
859 ("bar".to_owned(), vec![None, None])
860 ]),
861 }
862 ),
863 HTML::from("bar: 𝍷𝍷, foo")
864 );
865 assert_eq!(
866 render_all_leftovers(
867 &Config {
868 column_threshold: 2,
869 static_columns: vec![],
870 hidden_columns: HashSet::from(["private".to_owned()]),
871 substitute_labels: HashMap::new(),
872 },
873 &Row {
874 label: "nope".to_owned(),
875 entries: HashMap::from([("private".to_owned(), vec![None]),]),
876 }
877 ),
878 HTML::from("")
879 );
880 }
881
882 #[test]
883 fn test_render_row() {
884 assert_eq!(
885 render_row(
886 &Config::default(),
887 &["foo".to_owned()],
888 &mut Rowlike::Row(Row {
889 label: "nope".to_owned(),
890 entries: HashMap::from([("bar".to_owned(), vec![None])]),
891 })
892 ),
893 HTML::from(
894 r#"<tr><th id="nope">nope</th><td onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')">bar</td></tr>
895"#
896 )
897 );
898 assert_eq!(
899 render_row(
900 &Config {
901 column_threshold: 0,
902 static_columns: vec![Some("foo".to_owned()), Some("bar".to_owned())],
903 hidden_columns: HashSet::new(),
904 substitute_labels: HashMap::new(),
905 },
906 &["baz".to_owned()],
907 &mut Rowlike::Row(Row {
908 label: "nope".to_owned(),
909 entries: HashMap::from([
910 ("bar".to_owned(), vec![Some("r".to_owned())]),
911 ("baz".to_owned(), vec![Some("z".to_owned())]),
912 ("foo".to_owned(), vec![Some("f".to_owned())]),
913 ]),
914 })
915 ),
916 HTML::from(
917 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>
918"#
919 )
920 );
921 assert_eq!(
922 render_row(
923 &Config {
924 column_threshold: 0,
925 static_columns: vec![Some("foo".to_owned()), None, Some("bar".to_owned())],
926 hidden_columns: HashSet::new(),
927 substitute_labels: HashMap::new(),
928 },
929 &[],
930 &mut Rowlike::Row(Row {
931 label: "nope".to_owned(),
932 entries: HashMap::from([
933 ("bar".to_owned(), vec![Some("r".to_owned())]),
934 ("foo".to_owned(), vec![Some("f".to_owned())]),
935 ]),
936 })
937 ),
938 HTML::from(
939 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>
940"#
941 )
942 );
943 assert_eq!(
944 render_row(
945 &Config {
946 column_threshold: 0,
947 static_columns: vec![],
948 hidden_columns: HashSet::from(["foo".to_owned()]),
949 substitute_labels: HashMap::new(),
950 },
951 &[],
952 &mut Rowlike::Row(Row {
953 label: "nope".to_owned(),
954 entries: HashMap::from([("foo".to_owned(), vec![Some("f".to_owned())]),]),
955 })
956 ),
957 HTML::from(
958 r#"<tr><th id="nope">nope</th><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
959"#
960 )
961 );
962 assert_eq!(
963 render_row(
964 &Config {
965 column_threshold: 0,
966 static_columns: vec![Some("foo".to_owned())],
967 hidden_columns: HashSet::from(["foo".to_owned()]),
968 substitute_labels: HashMap::new(),
969 },
970 &[],
971 &mut Rowlike::Row(Row {
972 label: "nope".to_owned(),
973 entries: HashMap::from([("foo".to_owned(), vec![Some("f".to_owned())]),]),
974 })
975 ),
976 HTML::from(
977 r#"<tr><th id="nope">nope</th><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
978"#
979 )
980 );
981 }
982}
Summarize a text log as an HTML table