]> git.scottworley.com Git - tablify/blobdiff - src/lib.rs
extract render_instances()
[tablify] / src / lib.rs
index c5761d86fc8c9bdd337897d5e9dc678ef00dbdef..1396c9be9b9605d18af6efce8deb974b121e6408 100644 (file)
@@ -6,11 +6,11 @@ use std::iter::Iterator;
 
 pub struct Config {}
 
-const HEADER: &str = "<!DOCTYPE html>
+const HEADER: &str = r#"<!DOCTYPE html>
 <html>
 <head>
-  <meta charset=\"utf-8\">
-  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">
+  <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 */
@@ -26,8 +26,8 @@ const HEADER: &str = "<!DOCTYPE html>
     .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 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>
@@ -35,7 +35,7 @@ const HEADER: &str = "<!DOCTYPE html>
 <body>
   <table>
     <tbody>
-";
+"#;
 const FOOTER: &str = "    </tbody>
   </table>
 </body>
@@ -187,60 +187,65 @@ fn column_order(rows: &[Row]) -> Vec<String> {
         .collect()
 }
 
-fn render_instance(instance: &Option<String>) -> HTML {
+fn render_one_instance(instance: &Option<String>) -> HTML {
     match instance {
         None => HTML::from("✓"),
         Some(instance) => HTML::escape(instance.as_ref()),
     }
 }
 
-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 all_empty = instances
-        .iter()
-        .flat_map(|is| is.iter())
-        .all(Option::is_none);
-    let contents = if instances.is_none() || (all_empty && instances.unwrap().len() == 1) {
+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.unwrap().len()))
+        HTML(format!("{}", instances.len()))
     } else {
         HTML(
             instances
-                .unwrap()
                 .iter()
-                .map(render_instance)
+                .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!("<td class=\"{class}\" onmouseover=\"h2('{row_label}','{col_label}')\" onmouseout=\"ch2('{row_label}','{col_label}')\">{contents}</td>"))
+    HTML(format!(
+        r#"<td class="{class}" onmouseover="h2('{row_label}','{col_label}')" onmouseout="ch2('{row_label}','{col_label}')">{contents}</td>"#
+    ))
 }
 
 fn render_row(columns: &[String], row: &mut Row) -> HTML {
     let row_label = HTML::escape(row.label.as_ref());
+    let cells = columns
+        .iter()
+        .map(|col| render_cell(col, row))
+        .collect::<HTML>();
     HTML(format!(
-        "<tr><th id=\"{row_label}\">{row_label}</th>{}</tr>\n",
-        &columns
-            .iter()
-            .map(|col| render_cell(col, row))
-            .collect::<HTML>()
+        "<tr><th id=\"{row_label}\">{row_label}</th>{cells}</tr>\n"
     ))
 }
 
 fn render_column_headers(columns: &[String]) -> HTML {
     HTML(
-        String::from("<tr class=\"key\"><th></th>")
+        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,
-                    "<th id=\"{col_header}\"><div><div>{col_header}</div></div></th>"
+                    r#"<th id="{col_header}"><div><div>{col_header}</div></div></th>"#
                 )
                 .unwrap();
                 acc
@@ -443,7 +448,9 @@ mod tests {
                     entries: HashMap::new(),
                 }
             ),
-            HTML::from("<td class=\"\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
+            HTML::from(
+                r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
+            )
         );
         assert_eq!(
             render_cell(
@@ -453,7 +460,9 @@ mod tests {
                     entries: HashMap::from([("bar".to_owned(), vec![None])]),
                 }
             ),
-            HTML::from("<td class=\"\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
+            HTML::from(
+                r#"<td class="" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
+            )
         );
         assert_eq!(
             render_cell(
@@ -463,7 +472,9 @@ mod tests {
                     entries: HashMap::from([("foo".to_owned(), vec![None])]),
                 }
             ),
-            HTML::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\"></td>")
+            HTML::from(
+                r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')"></td>"#
+            )
         );
         assert_eq!(
             render_cell(
@@ -473,17 +484,24 @@ mod tests {
                     entries: HashMap::from([("foo".to_owned(), vec![None, None])]),
                 }
             ),
-            HTML::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">2</td>")
+            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())])]),
+                    entries: HashMap::from([(
+                        "foo".to_owned(),
+                        vec![Some("5".to_owned()), Some("10".to_owned())]
+                    )]),
                 }
             ),
-            HTML::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">5 10</td>")
+            HTML::from(
+                r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 10</td>"#
+            )
         );
         assert_eq!(
             render_cell(
@@ -493,7 +511,9 @@ mod tests {
                     entries: HashMap::from([("foo".to_owned(), vec![Some("5".to_owned()), None])]),
                 }
             ),
-            HTML::from("<td class=\"yes\" onmouseover=\"h2('nope','foo')\" onmouseout=\"ch2('nope','foo')\">5 ✓</td>")
+            HTML::from(
+                r#"<td class="yes" onmouseover="h2('nope','foo')" onmouseout="ch2('nope','foo')">5 ✓</td>"#
+            )
         );
         assert_eq!(
             render_cell(
@@ -503,7 +523,9 @@ mod tests {
                     entries: HashMap::from([("heart".to_owned(), vec![Some("<3".to_owned())])]),
                 }
             ),
-            HTML::from("<td class=\"yes\" onmouseover=\"h2('nope','heart')\" onmouseout=\"ch2('nope','heart')\">&lt;3</td>")
+            HTML::from(
+                r#"<td class="yes" onmouseover="h2('nope','heart')" onmouseout="ch2('nope','heart')">&lt;3</td>"#
+            )
         );
         assert_eq!(
             render_cell(
@@ -513,7 +535,9 @@ mod tests {
                     entries: HashMap::from([("foo".to_owned(), vec![None])]),
                 }
             ),
-            HTML::from("<td class=\"yes\" onmouseover=\"h2('bob&#39;s','foo')\" onmouseout=\"ch2('bob&#39;s','foo')\"></td>")
+            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(),
@@ -530,4 +554,21 @@ mod tests {
         render_cell("baz", &mut r);
         assert_eq!(r.entries.len(), 0);
     }
+
+    #[test]
+    fn test_render_row() {
+        assert_eq!(
+            render_row(
+                &["foo".to_owned()],
+                &mut 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></tr>
+"#
+            )
+        );
+    }
 }