[tablify] / src / lib.rs

use std::borrow::ToOwned;
use std::collections::HashMap;
use std::fmt::Write;
use std::io::BufRead;
use std::iter::Iterator;

pub struct Config {
    pub column_threshold: usize,
}

const HEADER: &str = r#"<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <style>
    td { text-align: center; }
    /* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
    th, td { white-space: nowrap; }
    th { text-align: left; font-weight: normal; }
    table { border-collapse: collapse }
    tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
    tr.key > th > div { width: 1em; }
    tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
    td { border: thin solid gray; }
    td.leftover { text-align: left; border: none; padding-left: .4em; }
    td.yes { border: thin solid gray; background-color: #ddd; }
    /* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
    .highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
  </style>
  <script>
    function highlight(id)       { const e = document.getElementById(id); if (e) { e.classList.add(   "highlight"); } }
    function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove("highlight"); } }
    function h2(a, b)  {       highlight(a);       highlight(b); }
    function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
  </script>
</head>
<body>
  <table>
    <tbody>
"#;
const FOOTER: &str = "    </tbody>
  </table>
</body>
</html>";

#[derive(PartialEq, Eq, Debug)]
pub struct HTML(String);
impl HTML {
    fn escape(value: &str) -> HTML {
        let mut escaped: String = String::new();
        for c in value.chars() {
            match c {
                '>' => escaped.push_str("&gt;"),
                '<' => escaped.push_str("&lt;"),
                '\'' => escaped.push_str("&#39;"),
                '"' => escaped.push_str("&quot;"),
                '&' => escaped.push_str("&amp;"),
                ok_c => escaped.push(ok_c),
            }
        }
        HTML(escaped)
    }
}
impl From<&str> for HTML {
    fn from(value: &str) -> HTML {
        HTML(String::from(value))
    }
}
impl FromIterator<HTML> for HTML {
    fn from_iter<T>(iter: T) -> HTML
    where
        T: IntoIterator<Item = HTML>,
    {
        HTML(iter.into_iter().map(|html| html.0).collect::<String>())
    }
}
impl std::fmt::Display for HTML {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{}", self.0)
    }
}

#[derive(Debug, PartialEq, Eq)]
enum InputLine<'a> {
    Blank,
    RowHeader(&'a str),
    Entry(&'a str, Option<&'a str>),
}
impl<'a> From<&'a str> for InputLine<'a> {
    fn from(value: &'a str) -> InputLine<'a> {
        let trimmed = value.trim_end();
        if trimmed.is_empty() {
            InputLine::Blank
        } else if !trimmed.starts_with(' ') {
            InputLine::RowHeader(value.trim())
        } else {
            match value.split_once(':') {
                None => InputLine::Entry(value.trim(), None),
                Some((col, instance)) => InputLine::Entry(col.trim(), Some(instance.trim())),
            }
        }
    }
}

#[derive(Debug, PartialEq, Eq)]
struct Row {
    label: String,
    entries: HashMap<String, Vec<Option<String>>>,
}

#[derive(Debug, PartialEq, Eq)]
enum Rowlike {
    Row(Row),
    Spacer,
}

struct Reader<Input: Iterator<Item = Result<String, std::io::Error>>> {
    input: std::iter::Enumerate<Input>,
    row: Option<Row>,
}
impl<Input: Iterator<Item = Result<String, std::io::Error>>> Reader<Input> {
    fn new(input: Input) -> Self {
        Self {
            input: input.enumerate(),
            row: None,
        }
    }
}
impl<Input: Iterator<Item = Result<String, std::io::Error>>> Iterator for Reader<Input> {
    type Item = Result<Rowlike, std::io::Error>;
    fn next(&mut self) -> Option<Self::Item> {
        loop {
            match self.input.next() {
                None => return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose(),
                Some((_, Err(e))) => return Some(Err(e)),
                Some((n, Ok(line))) => match InputLine::from(line.as_ref()) {
                    InputLine::Blank if self.row.is_some() => {
                        return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose()
                    }
                    InputLine::Blank => return Some(Ok(Rowlike::Spacer)),
                    InputLine::Entry(col, instance) => match &mut self.row {
                        None => {
                            return Some(Err(std::io::Error::other(format!(
                                "{}: Entry with no header",
                                n + 1
                            ))))
                        }
                        Some(ref mut row) => {
                            row.entries
                                .entry(col.to_owned())
                                .and_modify(|is| is.push(instance.map(ToOwned::to_owned)))
                                .or_insert_with(|| vec![instance.map(ToOwned::to_owned)]);
                        }
                    },
                    InputLine::RowHeader(row) => {
                        let prev = std::mem::take(&mut self.row);
                        self.row = Some(Row {
                            label: row.to_owned(),
                            entries: HashMap::new(),
                        });
                        if prev.is_some() {
                            return Ok(prev.map(Rowlike::Row)).transpose();
                        }
                    }
                },
            }
        }
    }
}

fn read_rows(input: impl std::io::Read) -> impl Iterator<Item = Result<Rowlike, std::io::Error>> {
    Reader::new(std::io::BufReader::new(input).lines())
}

fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
    let empty = HashMap::new();
    let mut counts: Vec<_> = rows
        .iter()
        .flat_map(|rl| match rl {
            Rowlike::Row(r) => r.entries.keys(),
            Rowlike::Spacer => empty.keys(),
        })
        .fold(HashMap::new(), |mut cs, col| {
            cs.entry(col.to_owned())
                .and_modify(|n| *n += 1)
                .or_insert(1);
            cs
        })
        .into_iter()
        .map(|(col, n)| (n, col))
        .collect();
    counts.sort_unstable_by(|(an, acol), (bn, bcol)| bn.cmp(an).then(acol.cmp(bcol)));
    counts
}
fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
    column_counts(rows)
        .into_iter()
        .filter_map(|(n, col)| (n >= config.column_threshold).then_some(col))
        .collect()
}

fn render_one_instance(instance: &Option<String>) -> HTML {
    match instance {
        None => HTML::from("✓"),
        Some(instance) => HTML::escape(instance.as_ref()),
    }
}

fn render_instances(instances: &[Option<String>]) -> HTML {
    let all_empty = instances.iter().all(Option::is_none);
    if all_empty && instances.len() == 1 {
        HTML::from("")
    } else if all_empty {
        HTML(format!("{}", instances.len()))
    } else {
        HTML(
            instances
                .iter()
                .map(render_one_instance)
                .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
                .collect::<Vec<_>>()
                .join(" "),
        )
    }
}

fn render_cell(col: &str, row: &mut Row) -> HTML {
    let row_label = HTML::escape(row.label.as_ref());
    let col_label = HTML::escape(col);
    let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
    let class = HTML::from(if instances.is_none() { "" } else { "yes" });
    let contents = match instances {
        None => HTML::from(""),
        Some(is) => render_instances(is),
    };
    row.entries.remove(col);
    HTML(format!(
        r#"<td class="{class}" onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
    ))
}

fn render_leftover(notcol: &str, instances: &[Option<String>]) -> HTML {
    let label = HTML::escape(notcol);
    let rest = render_instances(instances);
    if rest == HTML::from("") {
        HTML(format!("{label}"))
    } else {
        HTML(format!("{label}: {rest}"))
    }
}

fn render_all_leftovers(row: &Row) -> HTML {
    let mut order: Vec<_> = row.entries.keys().collect();
    order.sort_unstable();
    HTML(
        order
            .into_iter()
            .map(|notcol| render_leftover(notcol, row.entries.get(notcol).expect("Key vanished?!")))
            .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
            .collect::<Vec<_>>()
            .join(", "),
    )
}

fn render_row(columns: &[String], rowlike: &mut Rowlike) -> HTML {
    match rowlike {
        Rowlike::Spacer => HTML::from("<tr><td>&nbsp;</td></tr>"),
        Rowlike::Row(row) => {
            let row_label = HTML::escape(row.label.as_ref());
            let cells = columns
                .iter()
                .map(|col| render_cell(col, row))
                .collect::<HTML>();
            let leftovers = render_all_leftovers(row);
            HTML(format!(
                "<tr><th id=\"{row_label}\">{row_label}</th>{cells}<td class=\"leftover\" onmouseover=\"highlight('{row_label}')\" onmouseout=\"clear_highlight('{row_label}')\">{leftovers}</td></tr>\n"
            ))
        }
    }
}

fn render_column_headers(columns: &[String]) -> HTML {
    HTML(
        String::from(r#"<tr class="key"><th></th>"#)
            + &columns.iter().fold(String::new(), |mut acc, col| {
                let col_header = HTML::escape(col.as_ref());
                write!(
                    &mut acc,
                    r#"<th id="{col_header}"><div><div>{col_header}</div></div></th>"#
                )
                .unwrap();
                acc
            })
            + "</tr>\n",
    )
}

/// # Errors
///
/// Will return `Err` if
///   * there's an i/o error while reading `input`
///   * the log has invalid syntax:
///     * an indented line with no preceding non-indented line
pub fn tablify(config: &Config, input: impl std::io::Read) -> Result<HTML, std::io::Error> {
    let rows = read_rows(input).collect::<Result<Vec<_>, _>>()?;
    let columns = column_order(config, &rows);
    Ok(HTML(format!(
        "{HEADER}{}{}{FOOTER}",
        render_column_headers(&columns),
        rows.into_iter()
            .map(|mut r| render_row(&columns, &mut r))
            .collect::<HTML>()
    )))
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_parse_line() {
        assert_eq!(InputLine::from(""), InputLine::Blank);
        assert_eq!(InputLine::from(" "), InputLine::Blank);
        assert_eq!(InputLine::from("foo"), InputLine::RowHeader("foo"));
        assert_eq!(InputLine::from("foo "), InputLine::RowHeader("foo"));
        assert_eq!(InputLine::from(" foo"), InputLine::Entry("foo", None));
        assert_eq!(
            InputLine::from(" foo:bar"),
            InputLine::Entry("foo", Some("bar"))
        );
        assert_eq!(
            InputLine::from(" foo: bar"),
            InputLine::Entry("foo", Some("bar"))
        );
        assert_eq!(
            InputLine::from(" foo: bar "),
            InputLine::Entry("foo", Some("bar"))
        );
        assert_eq!(
            InputLine::from(" foo:  bar "),
            InputLine::Entry("foo", Some("bar"))
        );
        assert_eq!(
            InputLine::from(" foo :  bar "),
            InputLine::Entry("foo", Some("bar"))
        );
    }

    #[test]
    fn test_read_rows() {
        assert_eq!(
            read_rows(&b"foo"[..]).flatten().collect::<Vec<_>>(),
            vec![Rowlike::Row(Row {
                label: "foo".to_owned(),
                entries: HashMap::new(),
            })]
        );
        assert_eq!(
            read_rows(&b"bar"[..]).flatten().collect::<Vec<_>>(),
            vec![Rowlike::Row(Row {
                label: "bar".to_owned(),
                entries: HashMap::new(),
            })]
        );
        assert_eq!(
            read_rows(&b"foo\nbar\n"[..]).flatten().collect::<Vec<_>>(),
            vec![
                Rowlike::Row(Row {
                    label: "foo".to_owned(),
                    entries: HashMap::new(),
                }),
                Rowlike::Row(Row {
                    label: "bar".to_owned(),
                    entries: HashMap::new(),
                })
            ]
        );
        assert_eq!(
            read_rows(&b"foo\n bar\n"[..]).flatten().collect::<Vec<_>>(),
            vec![Rowlike::Row(Row {
                label: "foo".to_owned(),
                entries: HashMap::from([("bar".to_owned(), vec![None])]),
            })]
        );
        assert_eq!(
            read_rows(&b"foo\n bar\n baz\n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![Rowlike::Row(Row {
                label: "foo".to_owned(),
                entries: HashMap::from([
                    ("bar".to_owned(), vec![None]),
                    ("baz".to_owned(), vec![None])
                ]),
            })]
        );
        assert_eq!(
            read_rows(&b"foo\n\nbar\n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![
                Rowlike::Row(Row {
                    label: "foo".to_owned(),
                    entries: HashMap::new(),
                }),
                Rowlike::Row(Row {
                    label: "bar".to_owned(),
                    entries: HashMap::new(),
                })
            ]
        );
        assert_eq!(
            read_rows(&b"foo\n\n\nbar\n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![
                Rowlike::Row(Row {
                    label: "foo".to_owned(),
                    entries: HashMap::new(),
                }),
                Rowlike::Spacer,
                Rowlike::Row(Row {
                    label: "bar".to_owned(),
                    entries: HashMap::new(),
                })
            ]
        );
        assert_eq!(
            read_rows(&b"foo\n \nbar\n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![
                Rowlike::Row(Row {
                    label: "foo".to_owned(),
                    entries: HashMap::new(),
                }),
                Rowlike::Row(Row {
                    label: "bar".to_owned(),
                    entries: HashMap::new(),
                })
            ]
        );
        assert_eq!(
            read_rows(&b"foo  \n bar  \n"[..])
                .flatten()
                .collect::<Vec<_>>(),
            vec![Rowlike::Row(Row {
                label: "foo".to_owned(),
                entries: HashMap::from([("bar".to_owned(), vec![None])]),
            })]
        );

        let bad = read_rows(&b" foo"[..]).next().unwrap();
        assert!(bad.is_err());
        assert!(format!("{bad:?}").contains("1: Entry with no header"));

        let bad2 = read_rows(&b"foo\n\n bar"[..]).nth(1).unwrap();
        assert!(bad2.is_err());
        assert!(format!("{bad2:?}").contains("3: Entry with no header"));
    }

    #[test]
    fn test_column_counts() {
        assert_eq!(
            column_counts(
                &read_rows(&b"foo\n bar\n baz\n"[..])
                    .collect::<Result<Vec<_>, _>>()
                    .unwrap()
            ),
            vec![(1, String::from("bar")), (1, String::from("baz"))]
        );
        assert_eq!(
            column_counts(
                &read_rows(&b"foo\n bar\n baz\nquux\n baz"[..])
                    .collect::<Result<Vec<_>, _>>()
                    .unwrap()
            ),
            vec![(2, String::from("baz")), (1, String::from("bar"))]
        );
        assert_eq!(
            column_counts(
                &read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..])
                    .collect::<Result<Vec<_>, _>>()
                    .unwrap()
            ),
            vec![(2, String::from("baz")), (1, String::from("bar"))]
        );
        assert_eq!(
            column_counts(
                &read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..])
                    .collect::<Result<Vec<_>, _>>()
                    .unwrap()
            ),
            vec![(2, String::from("baz")), (1, String::from("bar"))]
        );
    }

    #[test]
    fn test_render_cell() {
        assert_eq!(
            render_cell(
                "foo",
                &mut Row {
                    label: "nope".to_owned(),
                    entries: HashMap::new(),
                }
            ),
            HTML::from(
                r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
            )
        );
        assert_eq!(
            render_cell(
                "foo",
                &mut Row {
                    label: "nope".to_owned(),
                    entries: HashMap::from([("bar".to_owned(), vec![None])]),
                }
            ),
            HTML::from(
                r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
            )
        );
        assert_eq!(
            render_cell(
                "foo",
                &mut Row {
                    label: "nope".to_owned(),
                    entries: HashMap::from([("foo".to_owned(), vec![None])]),
                }
            ),
            HTML::from(
                r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
            )
        );
        assert_eq!(
            render_cell(
                "foo",
                &mut Row {
                    label: "nope".to_owned(),
                    entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
                }
            ),
            HTML::from(
                r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">2</td>"#
            )
        );
        assert_eq!(
            render_cell(
                "foo",
                &mut Row {
                    label: "nope".to_owned(),
                    entries: HashMap::from([(
                        "foo".to_owned(),
                        vec![Some("5".to_owned()), Some("10".to_owned())]
                    )]),
                }
            ),
            HTML::from(
                r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 10</td>"#
            )
        );
        assert_eq!(
            render_cell(
                "foo",
                &mut Row {
                    label: "nope".to_owned(),
                    entries: HashMap::from([("foo".to_owned(), vec![Some("5".to_owned()), None])]),
                }
            ),
            HTML::from(
                r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 ✓</td>"#
            )
        );
        assert_eq!(
            render_cell(
                "heart",
                &mut Row {
                    label: "nope".to_owned(),
                    entries: HashMap::from([("heart".to_owned(), vec![Some("<3".to_owned())])]),
                }
            ),
            HTML::from(
                r#"<td class="yes" onmouseover="h2('nope','heart')" onmouseout="ch2('nope','heart')">&lt;3</td>"#
            )
        );
        assert_eq!(
            render_cell(
                "foo",
                &mut Row {
                    label: "bob's".to_owned(),
                    entries: HashMap::from([("foo".to_owned(), vec![None])]),
                }
            ),
            HTML::from(
                r#"<td class="yes" onmouseover="h2('bob&#39;s','foo')" onmouseout="ch2('bob&#39;s','foo')"></td>"#
            )
        );
        let mut r = Row {
            label: "nope".to_owned(),
            entries: HashMap::from([
                ("foo".to_owned(), vec![None]),
                ("baz".to_owned(), vec![None]),
            ]),
        };
        assert_eq!(r.entries.len(), 2);
        render_cell("foo", &mut r);
        assert_eq!(r.entries.len(), 1);
        render_cell("bar", &mut r);
        assert_eq!(r.entries.len(), 1);
        render_cell("baz", &mut r);
        assert_eq!(r.entries.len(), 0);
    }

    #[test]
    fn test_render_leftovers() {
        assert_eq!(
            render_all_leftovers(&Row {
                label: "nope".to_owned(),
                entries: HashMap::from([("foo".to_owned(), vec![None])]),
            }),
            HTML::from("foo")
        );
        assert_eq!(
            render_all_leftovers(&Row {
                label: "nope".to_owned(),
                entries: HashMap::from([
                    ("foo".to_owned(), vec![None]),
                    ("bar".to_owned(), vec![None])
                ]),
            }),
            HTML::from("bar, foo")
        );
        assert_eq!(
            render_all_leftovers(&Row {
                label: "nope".to_owned(),
                entries: HashMap::from([
                    ("foo".to_owned(), vec![None]),
                    ("bar".to_owned(), vec![None, None])
                ]),
            }),
            HTML::from("bar: 2, foo")
        );
    }

    #[test]
    fn test_render_row() {
        assert_eq!(
            render_row(
                &["foo".to_owned()],
                &mut Rowlike::Row(Row {
                    label: "nope".to_owned(),
                    entries: HashMap::from([("bar".to_owned(), vec![None])]),
                })
            ),
            HTML::from(
                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>
"#
            )
        );
    }
}
Commit	Line	Data
88a08162 SW	1	use std::borrow::ToOwned;
88a08162 SW	2	use std::collections::HashMap;
7067975b	3	use std::fmt::Write;
9dfa98b7	4	use std::io::BufRead;
75bb888a SW	5	use std::iter::Iterator;
75bb888a SW	6
31af9aac SW	7	pub struct Config {
	8	pub column_threshold: usize,
	9	}
28cf4fa2	10
5ffe8e3a	11	const HEADER: &str = r#"<!DOCTYPE html>
cc2378d5 SW	12	<html>
cc2378d5 SW	13	<head>
5ffe8e3a SW	14	<meta charset="utf-8">
5ffe8e3a SW	15	<meta name="viewport" content="width=device-width, initial-scale=1">
cc2378d5	16	<style>
b8b365ce	17	td { text-align: center; }
cc2378d5 SW	18	/* h/t https://wabain.github.io/2019/10/13/css-rotated-table-header.html */
	19	th, td { white-space: nowrap; }
	20	th { text-align: left; font-weight: normal; }
	21	table { border-collapse: collapse }
3bc643e9	22	tr.key > th { height: 10em; vertical-align: bottom; line-height: 1 }
cc2378d5 SW	23	tr.key > th > div { width: 1em; }
	24	tr.key > th > div > div { width: 5em; transform-origin: bottom left; transform: translateX(1em) rotate(-65deg) }
	25	td { border: thin solid gray; }
36bc3a39	26	td.leftover { text-align: left; border: none; padding-left: .4em; }
1dda21e6	27	td.yes { border: thin solid gray; background-color: #ddd; }
cc2378d5 SW	28	/* h/t https://stackoverflow.com/questions/5687035/css-bolding-some-text-without-changing-its-containers-size/46452396#46452396 */
cc2378d5 SW	29	.highlight { text-shadow: -0.06ex 0 black, 0.06ex 0 black; }
cc2378d5 SW	30	</style>
cc2378d5 SW	31	<script>
5ffe8e3a SW	32	function highlight(id) { const e = document.getElementById(id); if (e) { e.classList.add( "highlight"); } }
5ffe8e3a SW	33	function clear_highlight(id) { const e = document.getElementById(id); if (e) { e.classList.remove("highlight"); } }
cc2378d5 SW	34	function h2(a, b) { highlight(a); highlight(b); }
	35	function ch2(a, b) { clear_highlight(a); clear_highlight(b); }
	36	</script>
	37	</head>
	38	<body>
	39	<table>
76638ea1	40	<tbody>
5ffe8e3a	41	"#;
cc2378d5 SW	42	const FOOTER: &str = " </tbody>
	43	</table>
	44	</body>
	45	</html>";
	46
70436f23 SW	47	#[derive(PartialEq, Eq, Debug)]
	48	pub struct HTML(String);
	49	impl HTML {
	50	fn escape(value: &str) -> HTML {
	51	let mut escaped: String = String::new();
	52	for c in value.chars() {
	53	match c {
	54	'>' => escaped.push_str(">"),
	55	'<' => escaped.push_str("<"),
	56	'\'' => escaped.push_str("'"),
	57	'"' => escaped.push_str("""),
	58	'&' => escaped.push_str("&"),
	59	ok_c => escaped.push(ok_c),
	60	}
	61	}
	62	HTML(escaped)
	63	}
	64	}
	65	impl From<&str> for HTML {
	66	fn from(value: &str) -> HTML {
	67	HTML(String::from(value))
	68	}
	69	}
	70	impl FromIterator<HTML> for HTML {
	71	fn from_iter<T>(iter: T) -> HTML
	72	where
	73	T: IntoIterator<Item = HTML>,
	74	{
	75	HTML(iter.into_iter().map(\|html\| html.0).collect::<String>())
	76	}
	77	}
	78	impl std::fmt::Display for HTML {
	79	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
	80	write!(f, "{}", self.0)
	81	}
	82	}
	83
88a08162 SW	84	#[derive(Debug, PartialEq, Eq)]
	85	enum InputLine<'a> {
	86	Blank,
	87	RowHeader(&'a str),
	88	Entry(&'a str, Option<&'a str>),
e8657dff	89	}
88a08162 SW	90	impl<'a> From<&'a str> for InputLine<'a> {
	91	fn from(value: &'a str) -> InputLine<'a> {
	92	let trimmed = value.trim_end();
	93	if trimmed.is_empty() {
	94	InputLine::Blank
	95	} else if !trimmed.starts_with(' ') {
	96	InputLine::RowHeader(value.trim())
	97	} else {
	98	match value.split_once(':') {
	99	None => InputLine::Entry(value.trim(), None),
	100	Some((col, instance)) => InputLine::Entry(col.trim(), Some(instance.trim())),
	101	}
e8657dff SW	102	}
	103	}
	104	}
14e9852b	105
75bb888a	106	#[derive(Debug, PartialEq, Eq)]
88a08162 SW	107	struct Row {
	108	label: String,
	109	entries: HashMap<String, Vec<Option<String>>>,
75bb888a SW	110	}
75bb888a SW	111
06a6a5ca SW	112	#[derive(Debug, PartialEq, Eq)]
	113	enum Rowlike {
	114	Row(Row),
	115	Spacer,
	116	}
	117
88a08162	118	struct Reader<Input: Iterator<Item = Result<String, std::io::Error>>> {
8110b492	119	input: std::iter::Enumerate<Input>,
88a08162	120	row: Option<Row>,
201b9ef3	121	}
88a08162	122	impl<Input: Iterator<Item = Result<String, std::io::Error>>> Reader<Input> {
201b9ef3	123	fn new(input: Input) -> Self {
8110b492 SW	124	Self {
	125	input: input.enumerate(),
	126	row: None,
	127	}
201b9ef3 SW	128	}
201b9ef3 SW	129	}
88a08162	130	impl<Input: Iterator<Item = Result<String, std::io::Error>>> Iterator for Reader<Input> {
06a6a5ca	131	type Item = Result<Rowlike, std::io::Error>;
201b9ef3 SW	132	fn next(&mut self) -> Option<Self::Item> {
201b9ef3 SW	133	loop {
8bf0d5b1	134	match self.input.next() {
06a6a5ca	135	None => return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose(),
8110b492	136	Some((_, Err(e))) => return Some(Err(e)),
88a08162 SW	137	Some((n, Ok(line))) => match InputLine::from(line.as_ref()) {
88a08162 SW	138	InputLine::Blank if self.row.is_some() => {
06a6a5ca	139	return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose()
8110b492	140	}
14a039db	141	InputLine::Blank => return Some(Ok(Rowlike::Spacer)),
88a08162 SW	142	InputLine::Entry(col, instance) => match &mut self.row {
	143	None => {
	144	return Some(Err(std::io::Error::other(format!(
	145	"{}: Entry with no header",
	146	n + 1
	147	))))
	148	}
	149	Some(ref mut row) => {
	150	row.entries
	151	.entry(col.to_owned())
	152	.and_modify(\|is\| is.push(instance.map(ToOwned::to_owned)))
	153	.or_insert_with(\|\| vec![instance.map(ToOwned::to_owned)]);
	154	}
	155	},
	156	InputLine::RowHeader(row) => {
	157	let prev = std::mem::take(&mut self.row);
	158	self.row = Some(Row {
	159	label: row.to_owned(),
	160	entries: HashMap::new(),
	161	});
	162	if prev.is_some() {
06a6a5ca	163	return Ok(prev.map(Rowlike::Row)).transpose();
88a08162	164	}
201b9ef3	165	}
88a08162	166	},
201b9ef3 SW	167	}
	168	}
	169	}
	170	}
	171
06a6a5ca	172	fn read_rows(input: impl std::io::Read) -> impl Iterator<Item = Result<Rowlike, std::io::Error>> {
201b9ef3	173	Reader::new(std::io::BufReader::new(input).lines())
75bb888a SW	174	}
75bb888a SW	175
06a6a5ca SW	176	fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
06a6a5ca SW	177	let empty = HashMap::new();
58b5f36d SW	178	let mut counts: Vec<_> = rows
58b5f36d SW	179	.iter()
06a6a5ca SW	180	.flat_map(\|rl\| match rl {
	181	Rowlike::Row(r) => r.entries.keys(),
	182	Rowlike::Spacer => empty.keys(),
	183	})
b8907770	184	.fold(HashMap::new(), \|mut cs, col\| {
88a08162	185	cs.entry(col.to_owned())
58b5f36d	186	.and_modify(\|n\| *n += 1)
f272e502	187	.or_insert(1);
58b5f36d	188	cs
f272e502	189	})
58b5f36d SW	190	.into_iter()
	191	.map(\|(col, n)\| (n, col))
	192	.collect();
38d1167a	193	counts.sort_unstable_by(\|(an, acol), (bn, bcol)\| bn.cmp(an).then(acol.cmp(bcol)));
58b5f36d	194	counts
f272e502	195	}
06a6a5ca	196	fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
d22b2e05 SW	197	column_counts(rows)
d22b2e05 SW	198	.into_iter()
31af9aac	199	.filter_map(\|(n, col)\| (n >= config.column_threshold).then_some(col))
d22b2e05 SW	200	.collect()
d22b2e05 SW	201	}
f272e502	202
58c0a717	203	fn render_one_instance(instance: &Option<String>) -> HTML {
88a08162	204	match instance {
70436f23 SW	205	None => HTML::from("✓"),
70436f23 SW	206	Some(instance) => HTML::escape(instance.as_ref()),
de408c29 SW	207	}
	208	}
	209
f915bc90 SW	210	fn render_instances(instances: &[Option<String>]) -> HTML {
	211	let all_empty = instances.iter().all(Option::is_none);
	212	if all_empty && instances.len() == 1 {
70436f23	213	HTML::from("")
de408c29	214	} else if all_empty {
f915bc90	215	HTML(format!("{}", instances.len()))
de408c29	216	} else {
70436f23	217	HTML(
88a08162	218	instances
70436f23	219	.iter()
58c0a717	220	.map(render_one_instance)
70436f23 SW	221	.map(\|html\| html.0) // Waiting for slice_concat_trait to stabilize
	222	.collect::<Vec<_>>()
	223	.join(" "),
	224	)
f915bc90 SW	225	}
	226	}
	227
	228	fn render_cell(col: &str, row: &mut Row) -> HTML {
	229	let row_label = HTML::escape(row.label.as_ref());
	230	let col_label = HTML::escape(col);
	231	let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
	232	let class = HTML::from(if instances.is_none() { "" } else { "yes" });
	233	let contents = match instances {
	234	None => HTML::from(""),
	235	Some(is) => render_instances(is),
de408c29	236	};
d9bfcf4d	237	row.entries.remove(col);
5ffe8e3a SW	238	HTML(format!(
	239	r#"<td class="{class}" onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
	240	))
de408c29 SW	241	}
de408c29 SW	242
9a626020 SW	243	fn render_leftover(notcol: &str, instances: &[Option<String>]) -> HTML {
	244	let label = HTML::escape(notcol);
	245	let rest = render_instances(instances);
	246	if rest == HTML::from("") {
	247	HTML(format!("{label}"))
	248	} else {
	249	HTML(format!("{label}: {rest}"))
	250	}
	251	}
	252
	253	fn render_all_leftovers(row: &Row) -> HTML {
	254	let mut order: Vec<_> = row.entries.keys().collect();
	255	order.sort_unstable();
	256	HTML(
	257	order
	258	.into_iter()
	259	.map(\|notcol\| render_leftover(notcol, row.entries.get(notcol).expect("Key vanished?!")))
	260	.map(\|html\| html.0) // Waiting for slice_concat_trait to stabilize
	261	.collect::<Vec<_>>()
	262	.join(", "),
	263	)
	264	}
	265
06a6a5ca SW	266	fn render_row(columns: &[String], rowlike: &mut Rowlike) -> HTML {
	267	match rowlike {
	268	Rowlike::Spacer => HTML::from("<tr><td> </td></tr>"),
	269	Rowlike::Row(row) => {
	270	let row_label = HTML::escape(row.label.as_ref());
	271	let cells = columns
	272	.iter()
	273	.map(\|col\| render_cell(col, row))
	274	.collect::<HTML>();
	275	let leftovers = render_all_leftovers(row);
	276	HTML(format!(
	277	"<tr><th id=\"{row_label}\">{row_label}</th>{cells}<td class=\"leftover\" onmouseover=\"highlight('{row_label}')\" onmouseout=\"clear_highlight('{row_label}')\">{leftovers}</td></tr>\n"
	278	))
	279	}
	280	}
de408c29 SW	281	}
de408c29 SW	282
70436f23 SW	283	fn render_column_headers(columns: &[String]) -> HTML {
70436f23 SW	284	HTML(
5ffe8e3a	285	String::from(r#"<tr class="key"><th></th>"#)
70436f23 SW	286	+ &columns.iter().fold(String::new(), \|mut acc, col\| {
	287	let col_header = HTML::escape(col.as_ref());
	288	write!(
	289	&mut acc,
5ffe8e3a	290	r#"<th id="{col_header}"><div><div>{col_header}</div></div></th>"#
70436f23 SW	291	)
	292	.unwrap();
	293	acc
	294	})
	295	+ "</tr>\n",
	296	)
76638ea1 SW	297	}
76638ea1 SW	298
4b99fb70 SW	299	/// # Errors
	300	///
	301	/// Will return `Err` if
	302	/// * there's an i/o error while reading `input`
	303	/// * the log has invalid syntax:
	304	/// * an indented line with no preceding non-indented line
28cf4fa2	305	pub fn tablify(config: &Config, input: impl std::io::Read) -> Result<HTML, std::io::Error> {
4b99fb70	306	let rows = read_rows(input).collect::<Result<Vec<_>, _>>()?;
31af9aac	307	let columns = column_order(config, &rows);
70436f23 SW	308	Ok(HTML(format!(
	309	"{HEADER}{}{}{FOOTER}",
	310	render_column_headers(&columns),
	311	rows.into_iter()
d9bfcf4d	312	.map(\|mut r\| render_row(&columns, &mut r))
70436f23 SW	313	.collect::<HTML>()
70436f23 SW	314	)))
ece97615	315	}
75bb888a SW	316
	317	#[cfg(test)]
	318	mod tests {
	319	use super::*;
	320
b8907770	321	#[test]
88a08162 SW	322	fn test_parse_line() {
	323	assert_eq!(InputLine::from(""), InputLine::Blank);
	324	assert_eq!(InputLine::from(" "), InputLine::Blank);
	325	assert_eq!(InputLine::from("foo"), InputLine::RowHeader("foo"));
	326	assert_eq!(InputLine::from("foo "), InputLine::RowHeader("foo"));
	327	assert_eq!(InputLine::from(" foo"), InputLine::Entry("foo", None));
b8907770	328	assert_eq!(
88a08162 SW	329	InputLine::from(" foo:bar"),
88a08162 SW	330	InputLine::Entry("foo", Some("bar"))
b8907770 SW	331	);
b8907770 SW	332	assert_eq!(
88a08162 SW	333	InputLine::from(" foo: bar"),
88a08162 SW	334	InputLine::Entry("foo", Some("bar"))
b8907770	335	);
0d999bc3	336	assert_eq!(
88a08162 SW	337	InputLine::from(" foo: bar "),
	338	InputLine::Entry("foo", Some("bar"))
	339	);
	340	assert_eq!(
	341	InputLine::from(" foo: bar "),
	342	InputLine::Entry("foo", Some("bar"))
	343	);
	344	assert_eq!(
	345	InputLine::from(" foo : bar "),
	346	InputLine::Entry("foo", Some("bar"))
0d999bc3	347	);
b8907770 SW	348	}
b8907770 SW	349
75bb888a SW	350	#[test]
	351	fn test_read_rows() {
	352	assert_eq!(
201b9ef3	353	read_rows(&b"foo"[..]).flatten().collect::<Vec<_>>(),
06a6a5ca	354	vec![Rowlike::Row(Row {
88a08162 SW	355	label: "foo".to_owned(),
88a08162 SW	356	entries: HashMap::new(),
06a6a5ca	357	})]
75bb888a	358	);
9dfa98b7	359	assert_eq!(
201b9ef3	360	read_rows(&b"bar"[..]).flatten().collect::<Vec<_>>(),
06a6a5ca	361	vec![Rowlike::Row(Row {
88a08162 SW	362	label: "bar".to_owned(),
88a08162 SW	363	entries: HashMap::new(),
06a6a5ca	364	})]
9dfa98b7	365	);
2aa9ef94	366	assert_eq!(
201b9ef3	367	read_rows(&b"foo\nbar\n"[..]).flatten().collect::<Vec<_>>(),
2aa9ef94	368	vec![
06a6a5ca	369	Rowlike::Row(Row {
88a08162 SW	370	label: "foo".to_owned(),
88a08162 SW	371	entries: HashMap::new(),
06a6a5ca SW	372	}),
06a6a5ca SW	373	Rowlike::Row(Row {
88a08162 SW	374	label: "bar".to_owned(),
88a08162 SW	375	entries: HashMap::new(),
06a6a5ca	376	})
2aa9ef94 SW	377	]
2aa9ef94 SW	378	);
201b9ef3 SW	379	assert_eq!(
201b9ef3 SW	380	read_rows(&b"foo\n bar\n"[..]).flatten().collect::<Vec<_>>(),
06a6a5ca	381	vec![Rowlike::Row(Row {
88a08162 SW	382	label: "foo".to_owned(),
88a08162 SW	383	entries: HashMap::from([("bar".to_owned(), vec![None])]),
06a6a5ca	384	})]
201b9ef3 SW	385	);
	386	assert_eq!(
	387	read_rows(&b"foo\n bar\n baz\n"[..])
	388	.flatten()
	389	.collect::<Vec<_>>(),
06a6a5ca	390	vec![Rowlike::Row(Row {
88a08162 SW	391	label: "foo".to_owned(),
	392	entries: HashMap::from([
	393	("bar".to_owned(), vec![None]),
	394	("baz".to_owned(), vec![None])
	395	]),
06a6a5ca	396	})]
201b9ef3 SW	397	);
	398	assert_eq!(
	399	read_rows(&b"foo\n\nbar\n"[..])
	400	.flatten()
	401	.collect::<Vec<_>>(),
722ea297 SW	402	vec![
	403	Rowlike::Row(Row {
	404	label: "foo".to_owned(),
	405	entries: HashMap::new(),
	406	}),
	407	Rowlike::Row(Row {
	408	label: "bar".to_owned(),
	409	entries: HashMap::new(),
	410	})
	411	]
	412	);
	413	assert_eq!(
	414	read_rows(&b"foo\n\n\nbar\n"[..])
	415	.flatten()
	416	.collect::<Vec<_>>(),
201b9ef3	417	vec![
06a6a5ca	418	Rowlike::Row(Row {
88a08162 SW	419	label: "foo".to_owned(),
88a08162 SW	420	entries: HashMap::new(),
06a6a5ca	421	}),
14a039db	422	Rowlike::Spacer,
06a6a5ca	423	Rowlike::Row(Row {
88a08162 SW	424	label: "bar".to_owned(),
88a08162 SW	425	entries: HashMap::new(),
06a6a5ca	426	})
201b9ef3 SW	427	]
201b9ef3 SW	428	);
1f6bd845 SW	429	assert_eq!(
	430	read_rows(&b"foo\n \nbar\n"[..])
	431	.flatten()
	432	.collect::<Vec<_>>(),
	433	vec![
06a6a5ca	434	Rowlike::Row(Row {
88a08162 SW	435	label: "foo".to_owned(),
88a08162 SW	436	entries: HashMap::new(),
06a6a5ca SW	437	}),
06a6a5ca SW	438	Rowlike::Row(Row {
88a08162 SW	439	label: "bar".to_owned(),
88a08162 SW	440	entries: HashMap::new(),
06a6a5ca	441	})
1f6bd845 SW	442	]
	443	);
	444	assert_eq!(
	445	read_rows(&b"foo \n bar \n"[..])
	446	.flatten()
	447	.collect::<Vec<_>>(),
06a6a5ca	448	vec![Rowlike::Row(Row {
88a08162 SW	449	label: "foo".to_owned(),
88a08162 SW	450	entries: HashMap::from([("bar".to_owned(), vec![None])]),
06a6a5ca	451	})]
1f6bd845	452	);
201b9ef3 SW	453
	454	let bad = read_rows(&b" foo"[..]).next().unwrap();
	455	assert!(bad.is_err());
8110b492	456	assert!(format!("{bad:?}").contains("1: Entry with no header"));
201b9ef3 SW	457
	458	let bad2 = read_rows(&b"foo\n\n bar"[..]).nth(1).unwrap();
	459	assert!(bad2.is_err());
8110b492	460	assert!(format!("{bad2:?}").contains("3: Entry with no header"));
75bb888a	461	}
f272e502 SW	462
	463	#[test]
	464	fn test_column_counts() {
	465	assert_eq!(
	466	column_counts(
	467	&read_rows(&b"foo\n bar\n baz\n"[..])
	468	.collect::<Result<Vec<_>, _>>()
	469	.unwrap()
	470	),
58b5f36d	471	vec![(1, String::from("bar")), (1, String::from("baz"))]
f272e502 SW	472	);
	473	assert_eq!(
	474	column_counts(
	475	&read_rows(&b"foo\n bar\n baz\nquux\n baz"[..])
	476	.collect::<Result<Vec<_>, _>>()
	477	.unwrap()
	478	),
38d1167a	479	vec![(2, String::from("baz")), (1, String::from("bar"))]
f272e502	480	);
397ef957 SW	481	assert_eq!(
	482	column_counts(
	483	&read_rows(&b"foo\n bar\n bar\n baz\n bar\nquux\n baz"[..])
	484	.collect::<Result<Vec<_>, _>>()
	485	.unwrap()
	486	),
38d1167a	487	vec![(2, String::from("baz")), (1, String::from("bar"))]
397ef957	488	);
b8907770 SW	489	assert_eq!(
	490	column_counts(
	491	&read_rows(&b"foo\n bar: 1\n bar: 2\n baz\n bar\nquux\n baz"[..])
	492	.collect::<Result<Vec<_>, _>>()
	493	.unwrap()
	494	),
38d1167a	495	vec![(2, String::from("baz")), (1, String::from("bar"))]
b8907770	496	);
f272e502	497	}
de408c29 SW	498
	499	#[test]
	500	fn test_render_cell() {
	501	assert_eq!(
	502	render_cell(
	503	"foo",
d9bfcf4d	504	&mut Row {
88a08162 SW	505	label: "nope".to_owned(),
88a08162 SW	506	entries: HashMap::new(),
de408c29 SW	507	}
de408c29 SW	508	),
5ffe8e3a SW	509	HTML::from(
	510	r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
	511	)
de408c29 SW	512	);
	513	assert_eq!(
	514	render_cell(
	515	"foo",
d9bfcf4d	516	&mut Row {
88a08162 SW	517	label: "nope".to_owned(),
88a08162 SW	518	entries: HashMap::from([("bar".to_owned(), vec![None])]),
de408c29 SW	519	}
de408c29 SW	520	),
5ffe8e3a SW	521	HTML::from(
	522	r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
	523	)
de408c29 SW	524	);
	525	assert_eq!(
	526	render_cell(
	527	"foo",
d9bfcf4d	528	&mut Row {
88a08162 SW	529	label: "nope".to_owned(),
88a08162 SW	530	entries: HashMap::from([("foo".to_owned(), vec![None])]),
de408c29 SW	531	}
de408c29 SW	532	),
5ffe8e3a SW	533	HTML::from(
	534	r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
	535	)
de408c29 SW	536	);
	537	assert_eq!(
	538	render_cell(
	539	"foo",
d9bfcf4d	540	&mut Row {
88a08162 SW	541	label: "nope".to_owned(),
88a08162 SW	542	entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
de408c29 SW	543	}
de408c29 SW	544	),
5ffe8e3a SW	545	HTML::from(
	546	r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">2</td>"#
	547	)
de408c29 SW	548	);
	549	assert_eq!(
	550	render_cell(
	551	"foo",
d9bfcf4d	552	&mut Row {
88a08162	553	label: "nope".to_owned(),
5ffe8e3a SW	554	entries: HashMap::from([(
	555	"foo".to_owned(),
	556	vec![Some("5".to_owned()), Some("10".to_owned())]
	557	)]),
de408c29 SW	558	}
de408c29 SW	559	),
5ffe8e3a SW	560	HTML::from(
	561	r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 10</td>"#
	562	)
de408c29 SW	563	);
	564	assert_eq!(
	565	render_cell(
	566	"foo",
d9bfcf4d	567	&mut Row {
88a08162 SW	568	label: "nope".to_owned(),
88a08162 SW	569	entries: HashMap::from([("foo".to_owned(), vec![Some("5".to_owned()), None])]),
de408c29 SW	570	}
de408c29 SW	571	),
5ffe8e3a SW	572	HTML::from(
	573	r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 ✓</td>"#
	574	)
70436f23 SW	575	);
	576	assert_eq!(
	577	render_cell(
	578	"heart",
d9bfcf4d	579	&mut Row {
88a08162 SW	580	label: "nope".to_owned(),
88a08162 SW	581	entries: HashMap::from([("heart".to_owned(), vec![Some("<3".to_owned())])]),
70436f23 SW	582	}
70436f23 SW	583	),
5ffe8e3a SW	584	HTML::from(
	585	r#"<td class="yes" onmouseover="h2('nope','heart')" onmouseout="ch2('nope','heart')"><3</td>"#
	586	)
70436f23 SW	587	);
	588	assert_eq!(
	589	render_cell(
	590	"foo",
d9bfcf4d	591	&mut Row {
88a08162 SW	592	label: "bob's".to_owned(),
88a08162 SW	593	entries: HashMap::from([("foo".to_owned(), vec![None])]),
70436f23 SW	594	}
70436f23 SW	595	),
5ffe8e3a SW	596	HTML::from(
	597	r#"<td class="yes" onmouseover="h2('bob's','foo')" onmouseout="ch2('bob's','foo')"></td>"#
	598	)
de408c29	599	);
d9bfcf4d SW	600	let mut r = Row {
	601	label: "nope".to_owned(),
	602	entries: HashMap::from([
	603	("foo".to_owned(), vec![None]),
	604	("baz".to_owned(), vec![None]),
	605	]),
	606	};
	607	assert_eq!(r.entries.len(), 2);
	608	render_cell("foo", &mut r);
	609	assert_eq!(r.entries.len(), 1);
	610	render_cell("bar", &mut r);
	611	assert_eq!(r.entries.len(), 1);
	612	render_cell("baz", &mut r);
	613	assert_eq!(r.entries.len(), 0);
de408c29	614	}
25fd008e	615
9a626020 SW	616	#[test]
	617	fn test_render_leftovers() {
	618	assert_eq!(
	619	render_all_leftovers(&Row {
	620	label: "nope".to_owned(),
	621	entries: HashMap::from([("foo".to_owned(), vec![None])]),
	622	}),
	623	HTML::from("foo")
	624	);
	625	assert_eq!(
	626	render_all_leftovers(&Row {
	627	label: "nope".to_owned(),
	628	entries: HashMap::from([
	629	("foo".to_owned(), vec![None]),
	630	("bar".to_owned(), vec![None])
	631	]),
	632	}),
	633	HTML::from("bar, foo")
	634	);
	635	assert_eq!(
	636	render_all_leftovers(&Row {
	637	label: "nope".to_owned(),
	638	entries: HashMap::from([
	639	("foo".to_owned(), vec![None]),
	640	("bar".to_owned(), vec![None, None])
	641	]),
	642	}),
	643	HTML::from("bar: 2, foo")
	644	);
	645	}
	646
25fd008e SW	647	#[test]
	648	fn test_render_row() {
	649	assert_eq!(
	650	render_row(
	651	&["foo".to_owned()],
06a6a5ca	652	&mut Rowlike::Row(Row {
25fd008e SW	653	label: "nope".to_owned(),
25fd008e SW	654	entries: HashMap::from([("bar".to_owned(), vec![None])]),
06a6a5ca	655	})
25fd008e SW	656	),
25fd008e SW	657	HTML::from(
36bc3a39	658	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>
25fd008e SW	659	"#
	660	)
	661	);
	662	}
75bb888a	663	}