feat: add build_digest_table based on build_compression_table

src/modes/status.rs

@@ -107,6 +107,64 @@ fn build_compression_table() -> Table {
     compression_table
 }
 
+fn build_digest_table() -> Table {
+    use crate::digest_engine;
+    use crate::digest_engine::program::DigestEngineProgram;
+    use crate::digest_engine::DigestType;
+    use crate::digest_engine::DIGEST_PROGRAMS;
+
+    let mut digest_table = Table::new();
+    if std::io::stdout().is_terminal() {
+        digest_table.set_format(*FORMAT_BOX_CHARS_NO_BORDER_LINE_SEPARATOR);
+    } else {
+        digest_table.set_format(*FORMAT_NO_BORDER_LINE_SEPARATOR);
+    }
+
+    digest_table.set_titles(row!(
+        b->"Type",
+        b->"Found",
+        b->"Default",
+        b->"Binary",
+        b->"Args"));
+
+    let default_type = digest_engine::default_digest_type();
+    
+    for digest_type in DigestType::iter() {
+        let digest_program: DigestEngineProgram =
+            match &DIGEST_PROGRAMS[digest_type.clone()] {
+                Some(digest_program) => digest_program.clone(),
+                None => DigestEngineProgram {
+                    program: "".to_string(),
+                    args: Vec::new(),
+                    supported: true,
+                },
+            };
+
+        let is_default = digest_type == default_type;
+
+        digest_table.add_row(Row::new(vec![
+            Cell::new(&digest_type.to_string()),
+            match digest_program.supported {
+                true => Cell::new("Yes").with_style(Attr::ForegroundColor(color::GREEN)),
+                false => Cell::new("No").with_style(Attr::ForegroundColor(color::RED)),
+            },
+            match is_default {
+                true => Cell::new("Yes").with_style(Attr::ForegroundColor(color::GREEN)),
+                false => Cell::new("No"),
+            },
+            match digest_program.program.is_empty() {
+                true => {
+                    Cell::new("<INTERNAL>").with_style(Attr::ForegroundColor(color::BRIGHT_BLACK))
+                }
+                false => Cell::new(&digest_program.program),
+            },
+            Cell::new(&digest_program.args.join(" ")),
+        ]));
+    }
+
+    digest_table
+}
+
 pub fn mode_status(
     _cmd: &mut Command,
     _args: crate::Args,
@@ -120,5 +178,9 @@ pub fn mode_status(
     println!("COMPRESSION:");
     build_compression_table()
         .printstd();
+    println!();
+    println!("DIGEST:");
+    build_digest_table()
+        .printstd();
     Ok(())
 }