1 files changed, 53 insertions, 0 deletions
diff --git a/src/bin/d2jk.rs b/src/bin/d2jk.rs
new file mode 100644
index 0000000..e9202d2
--- /dev/null
+++ b/src/bin/d2jk.rs
@@ -0,0 +1,53 @@
+use std::collections::HashMap;
+
+use itertools::Itertools;
+
+fn main() {
+    let truth_table_file_path = std::env::args().nth(1).unwrap();
+    let truth_table_file = std::fs::read_to_string(truth_table_file_path).unwrap();
+
+    let mut lines = truth_table_file.lines();
+    let truth_table_inputs_line = lines.next().unwrap();
+    let truth_table_outputs_line = lines.next().unwrap();
+
+    let truth_table_inputs: HashMap<&str, usize> = truth_table_inputs_line
+        .split_whitespace()
+        .enumerate()
+        .map(|(i, input)| (input, i))
+        .collect();
+    let truth_table_outputs = truth_table_outputs_line.split_whitespace().collect_vec();
+
+    let mut new_outputs = vec![];
+    for output in &truth_table_outputs {
+        if truth_table_inputs.contains_key(output) {
+            new_outputs.push(format!("{output}_J"));
+            new_outputs.push(format!("{output}_K"));
+        } else {
+            new_outputs.push(output.to_string());
+        }
+    }
+
+    println!("{truth_table_inputs_line}");
+    println!("{}", new_outputs.join(" "));
+
+    for line in lines {
+        let (input, output) = line.split_once(char::is_whitespace).unwrap();
+        print!("{input} ");
+
+        for (value, output_name) in output.chars().zip(&truth_table_outputs) {
+            if let Some(&i) = truth_table_inputs.get(output_name) {
+                match (&input[i..i + 1], value) {
+                    ("0", '0') => print!("0-"),
+                    ("0", '1') => print!("1-"),
+                    ("1", '0') => print!("-1"),
+                    ("1", '1') => print!("-0"),
+                    _ => unreachable!(),
+                }
+            } else {
+                print!("{value}");
+            }
+        }
+
+        println!();
+    }
+}