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Appease clippy::pattern_type_mismatch
[tablify] / src / lib.rs
diff --git a/src/lib.rs b/src/lib.rs
index 859b3c19157d11b1e003165bbc7a72249641fc62..23667a1be543bd141b3d179e945ee477a33f26d7 100644 (file)
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,10 +4,15 @@ use std::fmt::Write;
 use std::io::BufRead;
 use std::iter::Iterator;
 
 use std::io::BufRead;
 use std::iter::Iterator;
 
-fn tally_marks(n: usize) -> String {
-    let fives = { 0..n / 5 }.map(|_| '𝍸');
-    let ones = { 0..n % 5 }.map(|_| '𝍷');
-    fives.chain(ones).collect()
+fn tally_marks(n: usize, mark: Option<&str>) -> String {
+    match mark {
+        None => {
+            let fives = { 0..n / 5 }.map(|_| '𝍸');
+            let ones = { 0..n % 5 }.map(|_| '𝍷');
+            fives.chain(ones).collect()
+        }
+        Some(m) => { 0..n }.map(|_| m).collect(),
+    }
 }
 
 #[derive(PartialEq, Eq, Debug)]
 }
 
 #[derive(PartialEq, Eq, Debug)]
@@ -16,6 +21,7 @@ struct Config {
     static_columns: Vec<Option<String>>,
     hidden_columns: HashSet<String>,
     substitute_labels: HashMap<String, String>,
     static_columns: Vec<Option<String>>,
     hidden_columns: HashSet<String>,
     substitute_labels: HashMap<String, String>,
+    mark: HashMap<String, String>,
 }
 impl Config {
     fn apply_command(&mut self, line_num: usize, cmd: &str) -> Result<(), std::io::Error> {
 }
 impl Config {
     fn apply_command(&mut self, line_num: usize, cmd: &str) -> Result<(), std::io::Error> {
@@ -44,6 +50,16 @@ impl Config {
                     .substitute_labels
                     .insert(col.to_owned(), label.to_owned()),
             };
                     .substitute_labels
                     .insert(col.to_owned(), label.to_owned()),
             };
+        } else if let Some(directive) = cmd.strip_prefix("mark ") {
+            match directive.split_once(':') {
+                None => {
+                    return Err(std::io::Error::new(
+                        std::io::ErrorKind::InvalidInput,
+                        format!("line {line_num}: Mark missing ':'"),
+                    ))
+                }
+                Some((col, label)) => self.mark.insert(col.to_owned(), label.to_owned()),
+            };
         } else {
             return Err(std::io::Error::new(
                 std::io::ErrorKind::InvalidInput,
         } else {
             return Err(std::io::Error::new(
                 std::io::ErrorKind::InvalidInput,
@@ -60,6 +76,7 @@ impl Default for Config {
             static_columns: vec![],
             hidden_columns: HashSet::new(),
             substitute_labels: HashMap::new(),
             static_columns: vec![],
             hidden_columns: HashSet::new(),
             substitute_labels: HashMap::new(),
+            mark: HashMap::new(),
         }
     }
 }
         }
     }
 }
@@ -82,7 +99,7 @@ const HEADER: &str = r#"<!DOCTYPE html>
     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; }
     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; }
+    td.yes { border: thin solid gray; background-color: #eee; }
     /* 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>
     /* 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>
@@ -190,9 +207,7 @@ impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Reader<'cfg,
         }
     }
 }
         }
     }
 }
-impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Iterator
-    for Reader<'cfg, Input>
-{
+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 {
     type Item = Result<Rowlike, std::io::Error>;
     fn next(&mut self) -> Option<Self::Item> {
         loop {
@@ -209,7 +224,7 @@ impl<'cfg, Input: Iterator<Item = Result<String, std::io::Error>>> Iterator
                         return Ok(std::mem::take(&mut self.row).map(Rowlike::Row)).transpose()
                     }
                     InputLine::Blank => return Some(Ok(Rowlike::Spacer)),
                         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 {
+                    InputLine::Entry(col, instance) => match self.row {
                         None => {
                             return Some(Err(std::io::Error::other(format!(
                                 "line {}: Entry with no header",
                         None => {
                             return Some(Err(std::io::Error::other(format!(
                                 "line {}: Entry with no header",
@@ -251,8 +266,8 @@ fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
     let empty = HashMap::new();
     let mut counts: Vec<_> = rows
         .iter()
     let empty = HashMap::new();
     let mut counts: Vec<_> = rows
         .iter()
-        .flat_map(|rl| match rl {
-            Rowlike::Row(r) => r.entries.keys(),
+        .flat_map(|rl| match *rl {
+            Rowlike::Row(ref r) => r.entries.keys(),
             Rowlike::Spacer => empty.keys(),
         })
         .fold(HashMap::new(), |mut cs, col| {
             Rowlike::Spacer => empty.keys(),
         })
         .fold(HashMap::new(), |mut cs, col| {
@@ -264,7 +279,7 @@ fn column_counts(rows: &[Rowlike]) -> Vec<(usize, String)> {
         .into_iter()
         .map(|(col, n)| (n, col))
         .collect();
         .into_iter()
         .map(|(col, n)| (n, col))
         .collect();
-    counts.sort_unstable_by(|(an, acol), (bn, bcol)| bn.cmp(an).then(acol.cmp(bcol)));
+    counts.sort_unstable_by(|a, b| b.0.cmp(&a.0).then(a.1.cmp(&b.1)));
     counts
 }
 fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
     counts
 }
 fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
@@ -285,15 +300,15 @@ fn column_order(config: &Config, rows: &[Rowlike]) -> Vec<String> {
         .collect()
 }
 
         .collect()
 }
 
-fn render_instances(instances: &[Option<String>]) -> HTML {
+fn render_instances(instances: &[Option<String>], mark: Option<&str>) -> HTML {
     let mut tally = 0;
     let mut out = vec![];
     for ins in instances {
     let mut tally = 0;
     let mut out = vec![];
     for ins in instances {
-        match ins {
+        match *ins {
             None => tally += 1,
             None => tally += 1,
-            Some(content) => {
+            Some(ref content) => {
                 if tally > 0 {
                 if tally > 0 {
-                    out.push(HTML(tally_marks(tally)));
+                    out.push(HTML(tally_marks(tally, mark)));
                     tally = 0;
                 }
                 out.push(HTML::escape(content));
                     tally = 0;
                 }
                 out.push(HTML::escape(content));
@@ -301,7 +316,7 @@ fn render_instances(instances: &[Option<String>]) -> HTML {
         }
     }
     if tally > 0 {
         }
     }
     if tally > 0 {
-        out.push(HTML(tally_marks(tally)));
+        out.push(HTML(tally_marks(tally, mark)));
     }
     HTML(
         out.into_iter()
     }
     HTML(
         out.into_iter()
@@ -311,34 +326,39 @@ fn render_instances(instances: &[Option<String>]) -> HTML {
     )
 }
 
     )
 }
 
-fn render_cell(col: &str, row: &mut Row) -> HTML {
+fn render_cell(config: &Config, col: &str, row: &mut Row) -> HTML {
     let row_label = HTML::escape(row.label.as_ref());
     let row_label = HTML::escape(row.label.as_ref());
-    let col_label = HTML::escape(col);
+    let col_label = HTML::escape(
+        config
+            .substitute_labels
+            .get(col)
+            .map_or(col, std::string::String::as_str),
+    );
     let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
     let is_empty = match instances {
         None => true,
     let instances: Option<&Vec<Option<String>>> = row.entries.get(col);
     let is_empty = match instances {
         None => true,
-        Some(is) => is.iter().all(|ins| match ins {
+        Some(is) => is.iter().all(|ins| match *ins {
             None => false,
             None => false,
-            Some(content) => content == "×",
+            Some(ref content) => content == "×",
         }),
     };
         }),
     };
-    let class = HTML::from(if is_empty { "" } else { "yes" });
+    let class = HTML::from(if is_empty { "" } else { r#" class="yes""# });
     let contents = match instances {
         None => HTML::from(""),
     let contents = match instances {
         None => HTML::from(""),
-        Some(is) => render_instances(is),
+        Some(is) => render_instances(is, config.mark.get(col).map(String::as_str)),
     };
     row.entries.remove(col);
     HTML(format!(
     };
     row.entries.remove(col);
     HTML(format!(
-        r#"<td class="{class}" onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
+        r#"<td{class} onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
     ))
 }
 
     ))
 }
 
-fn render_leftover(notcol: &str, instances: &[Option<String>]) -> HTML {
+fn render_leftover(config: &Config, notcol: &str, instances: &[Option<String>]) -> HTML {
     let label = HTML::escape(notcol);
     if instances.len() == 1 && instances[0].is_none() {
         HTML(format!("{label}"))
     } else {
     let label = HTML::escape(notcol);
     if instances.len() == 1 && instances[0].is_none() {
         HTML(format!("{label}"))
     } else {
-        let rest = render_instances(instances);
+        let rest = render_instances(instances, config.mark.get(notcol).map(String::as_str));
         HTML(format!("{label}: {rest}"))
     }
 }
         HTML(format!("{label}: {rest}"))
     }
 }
@@ -353,7 +373,13 @@ fn render_all_leftovers(config: &Config, row: &Row) -> HTML {
     HTML(
         order
             .into_iter()
     HTML(
         order
             .into_iter()
-            .map(|notcol| render_leftover(notcol, row.entries.get(notcol).expect("Key vanished?!")))
+            .map(|notcol| {
+                render_leftover(
+                    config,
+                    notcol,
+                    row.entries.get(notcol).expect("Key vanished?!"),
+                )
+            })
             .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
             .collect::<Vec<_>>()
             .join(", "),
             .map(|html| html.0) // Waiting for slice_concat_trait to stabilize
             .collect::<Vec<_>>()
             .join(", "),
@@ -361,23 +387,23 @@ fn render_all_leftovers(config: &Config, row: &Row) -> HTML {
 }
 
 fn render_row(config: &Config, columns: &[String], rowlike: &mut Rowlike) -> HTML {
 }
 
 fn render_row(config: &Config, columns: &[String], rowlike: &mut Rowlike) -> HTML {
-    match rowlike {
+    match *rowlike {
         Rowlike::Spacer => HTML::from("<tr><th class=\"spacer_row\"></th></tr>\n"),
         Rowlike::Spacer => HTML::from("<tr><th class=\"spacer_row\"></th></tr>\n"),
-        Rowlike::Row(row) => {
+        Rowlike::Row(ref mut row) => {
             let row_label = HTML::escape(row.label.as_ref());
             let static_cells = config
                 .static_columns
                 .iter()
             let row_label = HTML::escape(row.label.as_ref());
             let static_cells = config
                 .static_columns
                 .iter()
-                .map(|ocol| match ocol {
-                    Some(col) if config.hidden_columns.contains(col) => HTML::from(""),
-                    Some(col) => render_cell(col, row),
+                .map(|ocol| match *ocol {
+                    Some(ref col) if config.hidden_columns.contains(col) => HTML::from(""),
+                    Some(ref col) => render_cell(config, col, row),
                     None => HTML::from(r#"<td class="spacer_col"></td>"#),
                 })
                 .collect::<HTML>();
             let dynamic_cells = columns
                 .iter()
                 .filter(|&col| !config.hidden_columns.contains(col))
                     None => HTML::from(r#"<td class="spacer_col"></td>"#),
                 })
                 .collect::<HTML>();
             let dynamic_cells = columns
                 .iter()
                 .filter(|&col| !config.hidden_columns.contains(col))
-                .map(|col| render_cell(col, row))
+                .map(|col| render_cell(config, col, row))
                 .collect::<HTML>();
             let leftovers = render_all_leftovers(config, row);
             HTML(format!(
                 .collect::<HTML>();
             let leftovers = render_all_leftovers(config, row);
             HTML(format!(
@@ -395,7 +421,7 @@ fn column_header_labels<'a>(
     let dynamic_columns = columns.iter().map(Some);
     static_columns
         .chain(dynamic_columns)
     let dynamic_columns = columns.iter().map(Some);
     static_columns
         .chain(dynamic_columns)
-        .filter(|ocol| ocol.map_or(true, |col| !config.hidden_columns.contains(col)))
+        .filter(|ocol| ocol.is_none_or(|col| !config.hidden_columns.contains(col)))
         .map(|ocol| {
             ocol.map(|col| match config.substitute_labels.get(col) {
                 None => col,
         .map(|ocol| {
             ocol.map(|col| match config.substitute_labels.get(col) {
                 None => col,
@@ -431,7 +457,7 @@ fn render_column_headers(config: &Config, columns: &[String]) -> HTML {
 ///   * there's an i/o error while reading `input`
 ///   * the log has invalid syntax:
 ///     * an indented line with no preceding non-indented line
 ///   * 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(input: impl std::io::Read) -> Result<HTML, std::io::Error> {
+pub fn tablify<R: std::io::Read>(input: R) -> Result<HTML, std::io::Error> {
     let (rows, config) = read_input(input)?;
     let columns = column_order(&config, &rows);
     Ok(HTML(format!(
     let (rows, config) = read_input(input)?;
     let columns = column_order(&config, &rows);
     Ok(HTML(format!(
@@ -478,17 +504,22 @@ mod tests {
 
     #[test]
     fn test_tally_marks() {
 
     #[test]
     fn test_tally_marks() {
-        assert_eq!(tally_marks(1), "𝍷");
-        assert_eq!(tally_marks(2), "𝍷𝍷");
-        assert_eq!(tally_marks(3), "𝍷𝍷𝍷");
-        assert_eq!(tally_marks(4), "𝍷𝍷𝍷𝍷");
-        assert_eq!(tally_marks(5), "𝍸");
-        assert_eq!(tally_marks(6), "𝍸𝍷");
-        assert_eq!(tally_marks(7), "𝍸𝍷𝍷");
-        assert_eq!(tally_marks(8), "𝍸𝍷𝍷𝍷");
-        assert_eq!(tally_marks(9), "𝍸𝍷𝍷𝍷𝍷");
-        assert_eq!(tally_marks(10), "𝍸𝍸");
-        assert_eq!(tally_marks(11), "𝍸𝍸𝍷");
+        assert_eq!(tally_marks(1, None), "𝍷");
+        assert_eq!(tally_marks(2, None), "𝍷𝍷");
+        assert_eq!(tally_marks(3, None), "𝍷𝍷𝍷");
+        assert_eq!(tally_marks(4, None), "𝍷𝍷𝍷𝍷");
+        assert_eq!(tally_marks(5, None), "𝍸");
+        assert_eq!(tally_marks(6, None), "𝍸𝍷");
+        assert_eq!(tally_marks(7, None), "𝍸𝍷𝍷");
+        assert_eq!(tally_marks(8, None), "𝍸𝍷𝍷𝍷");
+        assert_eq!(tally_marks(9, None), "𝍸𝍷𝍷𝍷𝍷");
+        assert_eq!(tally_marks(10, None), "𝍸𝍸");
+        assert_eq!(tally_marks(11, None), "𝍸𝍸𝍷");
+        assert_eq!(tally_marks(1, Some("x")), "x");
+        assert_eq!(tally_marks(4, Some("x")), "xxxx");
+        assert_eq!(tally_marks(5, Some("x")), "xxxxx");
+        assert_eq!(tally_marks(6, Some("x")), "xxxxxx");
+        assert_eq!(tally_marks(2, Some("🍔")), "🍔🍔");
     }
 
     fn read_rows(input: impl std::io::Read) -> Result<Vec<Rowlike>, std::io::Error> {
     }
 
     fn read_rows(input: impl std::io::Read) -> Result<Vec<Rowlike>, std::io::Error> {
@@ -618,6 +649,7 @@ mod tests {
                 .substitute_labels["foo"],
             "bar"
         );
                 .substitute_labels["foo"],
             "bar"
         );
+        assert_eq!(read_config(&b"!mark foo:*"[..]).unwrap().mark["foo"], "*");
 
         let bad_command = read_config(&b"!no such command"[..]);
         assert!(bad_command.is_err());
 
         let bad_command = read_config(&b"!no such command"[..]);
         assert!(bad_command.is_err());
@@ -630,6 +662,10 @@ mod tests {
         let bad_sub = read_config(&b"!label foo"[..]);
         assert!(bad_sub.is_err());
         assert!(format!("{bad_sub:?}").contains("line 1: Annotation missing ':'"));
         let bad_sub = read_config(&b"!label foo"[..]);
         assert!(bad_sub.is_err());
         assert!(format!("{bad_sub:?}").contains("line 1: Annotation missing ':'"));
+
+        let bad_mark = read_config(&b"!mark foo"[..]);
+        assert!(bad_mark.is_err());
+        assert!(format!("{bad_mark:?}").contains("line 1: Mark missing ':'"));
     }
 
     #[test]
     }
 
     #[test]
@@ -690,6 +726,7 @@ mod tests {
     fn test_render_cell() {
         assert_eq!(
             render_cell(
     fn test_render_cell() {
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
@@ -697,11 +734,12 @@ mod tests {
                 }
             ),
             HTML::from(
                 }
             ),
             HTML::from(
-                r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
+                r#"<td onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
             )
         );
         assert_eq!(
             render_cell(
             )
         );
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
@@ -709,11 +747,12 @@ mod tests {
                 }
             ),
             HTML::from(
                 }
             ),
             HTML::from(
-                r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
+                r#"<td onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
             )
         );
         assert_eq!(
             render_cell(
             )
         );
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
@@ -726,6 +765,7 @@ mod tests {
         );
         assert_eq!(
             render_cell(
         );
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
@@ -738,6 +778,7 @@ mod tests {
         );
         assert_eq!(
             render_cell(
         );
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
@@ -753,6 +794,7 @@ mod tests {
         );
         assert_eq!(
             render_cell(
         );
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
@@ -765,6 +807,7 @@ mod tests {
         );
         assert_eq!(
             render_cell(
         );
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
                 "foo",
                 &mut Row {
                     label: "nope".to_owned(),
@@ -772,11 +815,12 @@ mod tests {
                 }
             ),
             HTML::from(
                 }
             ),
             HTML::from(
-                r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">×</td>"#
+                r#"<td onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">×</td>"#
             )
         );
         assert_eq!(
             render_cell(
             )
         );
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "heart",
                 &mut Row {
                     label: "nope".to_owned(),
                 "heart",
                 &mut Row {
                     label: "nope".to_owned(),
@@ -789,6 +833,7 @@ mod tests {
         );
         assert_eq!(
             render_cell(
         );
         assert_eq!(
             render_cell(
+                &Config::default(),
                 "foo",
                 &mut Row {
                     label: "bob's".to_owned(),
                 "foo",
                 &mut Row {
                     label: "bob's".to_owned(),
@@ -799,6 +844,26 @@ mod tests {
                 r#"<td class="yes" onmouseover="h2('bob&#39;s','foo')" onmouseout="ch2('bob&#39;s','foo')">𝍷</td>"#
             )
         );
                 r#"<td class="yes" onmouseover="h2('bob&#39;s','foo')" onmouseout="ch2('bob&#39;s','foo')">𝍷</td>"#
             )
         );
+        assert_eq!(
+            render_cell(
+                &Config {
+                    column_threshold: 2,
+                    static_columns: vec![],
+                    hidden_columns: HashSet::new(),
+                    substitute_labels: HashMap::new(),
+                    mark: HashMap::from([("foo".to_owned(), "🦄".to_owned())]),
+                },
+                "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>"#
+            )
+        );
+
         let mut r = Row {
             label: "nope".to_owned(),
             entries: HashMap::from([
         let mut r = Row {
             label: "nope".to_owned(),
             entries: HashMap::from([
@@ -807,11 +872,11 @@ mod tests {
             ]),
         };
         assert_eq!(r.entries.len(), 2);
             ]),
         };
         assert_eq!(r.entries.len(), 2);
-        render_cell("foo", &mut r);
+        render_cell(&Config::default(), "foo", &mut r);
         assert_eq!(r.entries.len(), 1);
         assert_eq!(r.entries.len(), 1);
-        render_cell("bar", &mut r);
+        render_cell(&Config::default(), "bar", &mut r);
         assert_eq!(r.entries.len(), 1);
         assert_eq!(r.entries.len(), 1);
-        render_cell("baz", &mut r);
+        render_cell(&Config::default(), "baz", &mut r);
         assert_eq!(r.entries.len(), 0);
     }
 
         assert_eq!(r.entries.len(), 0);
     }
 
@@ -860,6 +925,7 @@ mod tests {
                     static_columns: vec![],
                     hidden_columns: HashSet::from(["private".to_owned()]),
                     substitute_labels: HashMap::new(),
                     static_columns: vec![],
                     hidden_columns: HashSet::from(["private".to_owned()]),
                     substitute_labels: HashMap::new(),
+                    mark: HashMap::new(),
                 },
                 &Row {
                     label: "nope".to_owned(),
                 },
                 &Row {
                     label: "nope".to_owned(),
@@ -868,6 +934,22 @@ mod tests {
             ),
             HTML::from("")
         );
             ),
             HTML::from("")
         );
+        assert_eq!(
+            render_all_leftovers(
+                &Config {
+                    column_threshold: 2,
+                    static_columns: vec![],
+                    hidden_columns: HashSet::new(),
+                    substitute_labels: HashMap::new(),
+                    mark: HashMap::from([("foo".to_owned(), "🌈".to_owned())]),
+                },
+                &Row {
+                    label: "nope".to_owned(),
+                    entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
+                }
+            ),
+            HTML::from("foo: 🌈🌈")
+        );
     }
 
     #[test]
     }
 
     #[test]
@@ -882,7 +964,7 @@ mod tests {
                 })
             ),
             HTML::from(
                 })
             ),
             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>
+                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>
 "#
             )
         );
 "#
             )
         );
@@ -893,6 +975,7 @@ mod tests {
                     static_columns: vec![Some("foo".to_owned()), Some("bar".to_owned())],
                     hidden_columns: HashSet::new(),
                     substitute_labels: HashMap::new(),
                     static_columns: vec![Some("foo".to_owned()), Some("bar".to_owned())],
                     hidden_columns: HashSet::new(),
                     substitute_labels: HashMap::new(),
+                    mark: HashMap::new(),
                 },
                 &["baz".to_owned()],
                 &mut Rowlike::Row(Row {
                 },
                 &["baz".to_owned()],
                 &mut Rowlike::Row(Row {
@@ -916,6 +999,7 @@ mod tests {
                     static_columns: vec![Some("foo".to_owned()), None, Some("bar".to_owned())],
                     hidden_columns: HashSet::new(),
                     substitute_labels: HashMap::new(),
                     static_columns: vec![Some("foo".to_owned()), None, Some("bar".to_owned())],
                     hidden_columns: HashSet::new(),
                     substitute_labels: HashMap::new(),
+                    mark: HashMap::new(),
                 },
                 &[],
                 &mut Rowlike::Row(Row {
                 },
                 &[],
                 &mut Rowlike::Row(Row {
@@ -938,6 +1022,7 @@ mod tests {
                     static_columns: vec![],
                     hidden_columns: HashSet::from(["foo".to_owned()]),
                     substitute_labels: HashMap::new(),
                     static_columns: vec![],
                     hidden_columns: HashSet::from(["foo".to_owned()]),
                     substitute_labels: HashMap::new(),
+                    mark: HashMap::new(),
                 },
                 &[],
                 &mut Rowlike::Row(Row {
                 },
                 &[],
                 &mut Rowlike::Row(Row {
@@ -957,6 +1042,7 @@ mod tests {
                     static_columns: vec![Some("foo".to_owned())],
                     hidden_columns: HashSet::from(["foo".to_owned()]),
                     substitute_labels: HashMap::new(),
                     static_columns: vec![Some("foo".to_owned())],
                     hidden_columns: HashSet::from(["foo".to_owned()]),
                     substitute_labels: HashMap::new(),
+                    mark: HashMap::new(),
                 },
                 &[],
                 &mut Rowlike::Row(Row {
                 },
                 &[],
                 &mut Rowlike::Row(Row {
@@ -966,6 +1052,26 @@ mod tests {
             ),
             HTML::from(
                 r#"<tr><th id="nope">nope</th><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
             ),
             HTML::from(
                 r#"<tr><th id="nope">nope</th><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
+"#
+            )
+        );
+        assert_eq!(
+            render_row(
+                &Config {
+                    column_threshold: 0,
+                    static_columns: vec![],
+                    hidden_columns: HashSet::new(),
+                    substitute_labels: HashMap::from([("foo".to_owned(), "bar".to_owned())]),
+                    mark: HashMap::new(),
+                },
+                &["foo".to_owned()],
+                &mut Rowlike::Row(Row {
+                    label: "nope".to_owned(),
+                    entries: HashMap::from([("foo".to_owned(), vec![None])]),
+                })
+            ),
+            HTML::from(
+                r#"<tr><th id="nope">nope</th><td class="yes" onmouseover="h2('nope','bar')" onmouseout="ch2('nope','bar')">𝍷</td><td class="leftover" onmouseover="highlight('nope')" onmouseout="clear_highlight('nope')"></td></tr>
 "#
             )
         );
 "#
             )
         );
Summarize a text log as an HTML table